2006-02-07 19:31:27 +01:00
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/* SSA Jump Threading
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2014-01-02 23:23:26 +01:00
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Copyright (C) 2005-2014 Free Software Foundation, Inc.
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2006-02-07 19:31:27 +01:00
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Contributed by Jeff Law <law@redhat.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-07-26 10:37:01 +02:00
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the Free Software Foundation; either version 3, or (at your option)
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2006-02-07 19:31:27 +01:00
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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2007-07-26 10:37:01 +02:00
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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2006-02-07 19:31:27 +01:00
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tree.h"
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#include "flags.h"
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#include "tm_p.h"
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2014-10-27 13:41:01 +01:00
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#include "predict.h"
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#include "vec.h"
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function.h: Flatten file.
2014-10-16 Andrew MacLeod <amacleod@redhat.com>
* function.h: Flatten file. Remove includes, adjust prototypes to
reflect only what is in function.h.
(enum direction, struct args_size, struct locate_and_pad_arg_data,
ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE, ARGS_SIZE_RTX): Relocate
from expr.h.
(ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Relocate from rtl.h.
(optimize_function_for_size_p, optimize_function_for_speed_p): Move
prototypes to predict.h.
(init_varasm_status): Move prototype to varasm.h.
* expr.h: Adjust include files.
(enum direction, struct args_size, struct locate_and_pad_arg_data,
ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE, ARGS_SIZE_RTX): Move
to function.h.
(locate_and_pad_parm): Move prototype to function.h.
* rtl.h: (assign_stack_local, ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD,
assign_stack_local_1, assign_stack_temp, assign_stack_temp_for_type,
assign_temp, reposition_prologue_and_epilogue_notes,
prologue_epilogue_contains, sibcall_epilogue_contains,
update_temp_slot_address, maybe_copy_prologue_epilogue_insn,
set_return_jump_label): Move prototypes to function.h.
* predict.h (optimize_function_for_size_p,
optimize_function_for_speed_p): Relocate prototypes from function.h.
* shrink-wrap.h (emit_return_into_block, active_insn_between,
convert_jumps_to_returns, emit_return_for_exit): Move prototypes to
function.h.
* varasm.h (init_varasm_status): Relocate prototype from function.h.
* genattrtab.c (write_header): Add predict.h to include list.
* genconditions.c (write_header): Add predict.h to include list.
* genemit.c (main): Adjust header file includes.
* gengtype.c (ifiles): Add flattened function.h header files.
* genoutput.c (output_prologue): Add predict.h to include list.
* genpreds.c (write_insn_preds_c): Adjust header file includes.
* genrecog.c (write_header): Add flattened function.h header files.
* alias.c: Adjust include files.
* auto-inc-dec.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* bt-load.c: Likewise.
* builtins.c: Likewise.
* caller-save.c: Likewise.
* calls.c: Likewise.
* cfgbuild.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgrtl.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine-stack-adj.c: Likewise.
* combine.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* cse.c: Likewise.
* cselib.c: Likewise.
* dbxout.c: Likewise.
* ddg.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dojump.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* explow.c: Likewise.
* expr.c: Likewise.
* final.c: Likewise.
* function.c: Likewise.
* gcse.c: Likewise.
* gimple-fold.c: Likewise.
* gimple-low.c: Likewise.
* gimple-streamer.h: Likewise.
* haifa-sched.c: Likewise.
* ifcvt.c: Likewise.
* ira.c: Likewise.
* jump.c: Likewise.
* lcm.c: Likewise.
* loop-invariant.c: Likewise.
* lra-assigns.c: Likewise.
* lra-coalesce.c: Likewise.
* lra-constraints.c: Likewise.
* lra-eliminations.c: Likewise.
* lra-lives.c: Likewise.
* lra-spills.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-in.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* mode-switching.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* optabs.c: Likewise.
* passes.c: Likewise.
* postreload-gcse.c: Likewise.
* postreload.c: Likewise.
* predict.c: Likewise.
* profile.c: Likewise.
* recog.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regcprop.c: Likewise.
* reginfo.c: Likewise.
* regrename.c: Likewise.
* reload.c: Likewise.
* reload1.c: Likewise.
* reorg.c: Likewise.
* resource.c: Likewise.
* rtlanal.c: Likewise.
* sched-deps.c: Likewise.
* sched-ebb.c: Likewise.
* sched-rgn.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched.c: Likewise.
* shrink-wrap.c: Likewise.
* simplify-rtx.c: Likewise.
* statistics.c: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* symtab.c: Likewise.
* targhooks.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-dfa.c: Likewise.
* tree-eh.c: Likewise.
* tree-inline.c: Likewise.
* tree-into-ssa.c: Likewise.
* tree-nested.c: Likewise.
* tree-nrv.c: Likewise.
* tree-profile.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-copy.c: Likewise.
* tree-ssa-copyrename.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-tailcall.c: Likewise.
* tree.c: Likewise.
* tsan.c: Likewise.
* valtrack.c: Likewise.
* varasm.c: Likewise.
* vmsdbgout.c: Likewise.
* web.c: Likewise.
* testsuite/g++.dg/plugin/pragma_plugin.c: Adjust include files.
* config/aarch64/aarch64.c: Add flattened includes from function.h.
* config/alpha/alpha.c: Likewise.
* config/arc/arc.c: Likewise.
* config/arm/arm.c: Likewise.
* config/avr/avr-log.c: Likewise.
* config/avr/avr.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/cr16/cr16.c: Likewise.
* config/cris/cris.c: Likewise.
* config/darwin.c: Likewise.
* config/epiphany/epiphany.c: Likewise.
* config/epiphany/mode-switch-use.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
* config/fr30/fr30.c: Likewise.
* config/frv/frv.c: Likewise.
* config/h8300/h8300.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/iq2000/iq2000.c: Likewise.
* config/lm32/lm32.c: Likewise.
* config/m32c/m32c.c: Likewise.
* config/m32r/m32r.c: Likewise.
* config/m68k/m68k.c: Likewise.
* config/mcore/mcore.c: Likewise.
* config/mep/mep-pragma.c: Likewise.
* config/mep/mep.c: Likewise.
* config/microblaze/microblaze.c: Likewise.
* config/mips/mips.c: Likewise.
* config/mmix/mmix.c: Likewise.
* config/mn10300/mn10300.c: Likewise.
* config/moxie/moxie.c: Likewise.
* config/msp430/msp430.c: Likewise.
* config/nds32/nds32-cost.c: Likewise.
* config/nds32/nds32-fp-as-gp.c: Likewise.
* config/nds32/nds32-intrinsic.c: Likewise.
* config/nds32/nds32-isr.c: Likewise.
* config/nds32/nds32-md-auxiliary.c: Likewise.
* config/nds32/nds32-memory-manipulation.c: Likewise.
* config/nds32/nds32-pipelines-auxiliary.c: Likewise.
* config/nds32/nds32-predicates.c: Likewise.
* config/nds32/nds32.c: Likewise.
* config/nios2/nios2.c: Likewise.
* config/pa/pa.c: Likewise.
* config/pdp11/pdp11.c: Likewise.
* config/rl78/rl78.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/s390/s390.c: Likewise.
* config/score/score.c: Likewise.
* config/sh/sh.c: Likewise.
* config/sparc/sparc.c: Likewise.
* config/spu/spu.c: Likewise.
* config/stormy16/stormy16.c: Likewise.
* config/tilegx/tilegx.c: Likewise.
* config/tilepro/tilepro.c: Likewise.
* config/v850/v850.c: Likewise.
* config/vax/vax.c: Likewise.
* config/xtensa/xtensa.c: Likewise.
2014-10-16 Andrew MacLeod <amacleod@redhat.com>
* ada/gcc-interface/misc.c: Adjust include files.
2014-10-16 Andrew MacLeod <amacleod@redhat.com>
* c/c-decl.c: Adjust include files.
2014-10-16 Andrew MacLeod <amacleod@redhat.com>
* c-family/c-pragma.c: Adjust include files.
* c-family/c-semantics.c: Likewise.
2014-10-16 Andrew MacLeod <amacleod@redhat.com>
* cp/cp-tree.h: Adjust include files.
2014-10-16 Andrew MacLeod <amacleod@redhat.com>
* fortran/f95-lang.c: Adjust include files.
* fortran/trans-decl.c: Likewise.
2014-10-16 Andrew MacLeod <amacleod@redhat.com>
* java/class.c: Adjust include files.
* java/resource.c: Likewise.
2014-10-16 Andrew MacLeod <amacleod@redhat.com>
* objc/objc-act.c: Adjust include files.
From-SVN: r216337
2014-10-16 18:37:19 +02:00
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#include "hashtab.h"
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#include "hash-set.h"
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#include "machmode.h"
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#include "hard-reg-set.h"
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#include "input.h"
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2006-02-07 19:31:27 +01:00
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#include "function.h"
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2014-10-27 13:41:01 +01:00
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#include "dominance.h"
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#include "basic-block.h"
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#include "cfgloop.h"
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2006-02-07 19:31:27 +01:00
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#include "timevar.h"
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system.h (dump_file): Do not define.
gcc/
* system.h (dump_file): Do not define.
* tree-pass.h: Include dumpfile.h, which is a new file containing...
(enum tree_dump_index, TDF_*, get_dump_file_name, dump_enabled_p,
dump_initialized_p, dump_begin, dump_end, dump_node, dump_switch_p,
dump_flag_name, dump_file, dump_flags, dump_file_name,
get_dump_file_info, struct dump_file_info): all of this, moved to...
* dumpfile.h: Here, new file.
* tree-dump.h: Include dumpfile.h, but not tree-pass.h.
(dump_stmt): Remove prototype for C++ specific function.
(dump_enumerated_decls): Move prototype from here...
* tree-flow.h (dump_enumerated_decls): ... to here.
(get_ref_base_and_extent) Move prototype from here ...
* tree.h (get_ref_base_and_extent) ... to here.
* tree-ssa-live.c: Do not inclde tree-pretty-print.h, because
gimple-pretty-print.h is enough. Do not include tree-dump.h,
include timevar.h and dumpfile.h instead.
(struct numbered_tree_d, compare_decls_by_uid,
dump_enumerated_decls_push, dump_enumerated_decls): Move from here ...
* tree-dfa.c:(struct numbered_tree_d, compare_decls_by_uid,
dump_enumerated_decls_push, dump_enumerated_decls):... to here.
Do not include timevar.h.
* tree.c: Do not include timevar.h.
* tree-cfg.c: Do not include langhooks.h, tree-pretty-print.h, and
timevar.h.
(dump_cfg_stats): Use current_function_name.
(gimple_cfg2vcg): Likewise.
(dump_function_to_file): Likewise.
* df-scan.c: Do not include tree-pass.h and timevar.h.
Include dumpfile.h.
(df_entry_block_bitmap_verify, df_exit_block_bitmap_verify): Do not
use print_current_pass.
* df-problems.c: Include dumpfile.h.
Always define REG_DEAD_DEBUGGING, avoid #ifdef code, because it
leads to errors in the code not selected.
(df_note_compute): Do not print_rtl_with_bb here. Fix compilation
bug if REG_DEAD_DEBUGGING is not 0, get_insns is not available here.
* lcm.c: Include dumpfile.h.
Remove obsolete include of insn-attr.h.
* dojump.c (do_compare_rtx_and_jump): Remove failure printing for
missing probability notes.
* stmt.c: Include dumpfile.h.
(emit_case_decision_tree): Re-enable printing expand details only
if TDF_DETAILS.
* alias.c, auto-inc-dec.c, bb-reorder.c, caller-save.c, cfg.c,
cfgcleanup.c, cfgexpand.c, cfgloop.c, cfgloopmanip.c, cgraph.c,
cgraphclones.c, cgraphunit.c, combine.c, combine-stack-adj.c,
coverage.c, cprop.c, cse.c, cselib.c, dbgcnt.c, dce.c, df-core.c,
dse.c, dwarf2out.c, emit-rtl.c, except.c, expr.c, final.c,
function.c, fwprop.c, gcse.c, gimple-fold.c,
gimple-pretty-print.c, gimple-ssa-strength-reduction.c,
gimplify.c, graphite-blocking.c, graphite-clast-to-gimple.c,
graphite-dependences.c, graphite-interchange.c,
graphite-optimize-isl.c, graphite-poly.c,
graphite-sese-to-poly.c, haifa-sched.c, hw-doloop.c, ifcvt.c,
ipa.c, ipa-cp.c, ipa-inline-analysis.c, ipa-inline.c,
ipa-inline-transform.c, ipa-prop.c, ipa-pure-const.c,
ipa-reference.c, ipa-split.c, ipa-utils.c, ira.c, ira-emit.c,
jump.c, loop-doloop.c, loop-init.c, loop-invariant.c, loop-iv.c,
loop-unroll.c, loop-unswitch.c, lower-subreg.c,
lto-section-out.c, lto-streamer-in.c, matrix-reorg.c, mcf.c,
mode-switching.c, modulo-sched.c, omega.c, omp-low.c, passes.c,
plugin.c, postreload.c, postreload-gcse.c, predict.c, print-rtl.c,
print-tree.c, profile.c, recog.c, ree.c, regcprop.c, reginfo.c,
regmove.c, regrename.c, reg-stack.c, reload1.c, reorg.c,
sched-rgn.c, sched-vis.c, sel-sched.c, sel-sched-ir.c,
store-motion.c, tracer.c, trans-mem.c, tree-affine.c,
tree-call-cdce.c, tree-cfgcleanup.c, tree-chrec.c,
tree-data-ref.c, tree-diagnostic.c, tree-dump.c,
tree-eh.c, tree-flow-inline.h, tree-if-conv.c, tree-into-ssa.c,
tree-mudflap.c, tree-nrv.c, tree-object-size.c,
tree-optimize.c, tree-outof-ssa.c, tree-predcom.c,
tree-pretty-print.c, tree-profile.c, tree-scalar-evolution.c,
tree-sra.c, tree-ssa-address.c, tree-ssa-alias.c, tree-ssa.c,
tree-ssa-ccp.c, tree-ssa-coalesce.c, tree-ssa-copy.c,
tree-ssa-copyrename.c,, tree-ssa-dce.c, tree-ssa-dom.c,
tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-ifcombine.c,
tree-ssa-loop.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
tree-ssa-loop-prefetch.c, tree-ssa-loop-unswitch.c,
tree-ssa-math-opts.c, tree-ssa-operands.c, tree-ssa-phiopt.c,
tree-ssa-phiprop.c, tree-ssa-pre.c, tree-ssa-propagate.c,
tree-ssa-reassoc.c, tree-ssa-sccvn.c, tree-ssa-sink.c,
tree-ssa-structalias.c, tree-ssa-tail-merge.c, tree-ssa-ter.c,
tree-ssa-threadedge.c, tree-ssa-threadupdate.c,
tree-ssa-uncprop.c, tree-ssa-uninit.c,
tree-switch-conversion.c, tree-tailcall.c,
tree-vect-data-refs.c, tree-vect-loop.c,
tree-vect-loop-manip.c, tree-vectorizer.c,
tree-vect-patterns.c, tree-vect-slp.c, tree-vect-stmts.c,
tree-vrp.c, value-prof.c, var-tracking.c, web.c: Include tree-pass.h
only if needed. If tree-pass.h is included, do not include timevar.h
and dumpfile.h. If tree-pass.h is not included but dump_file, or
dump_flags, or the TDF_* flags are used, include dumpfile.h.
If gimple-pretty-print.h is included, don't include tree-pretty-print.h.
Remove assorted unnecessary includes.
* config/mn10300/mn10300.c, config/c6x/c6x.c, config/ia64/ia64.c,
config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
config/spu/spu.c, config/mep/mep.c, config/i386/i386.c:
Include dumpfile.h.
* config/rl78/rl78.c: Include dumpfile.h instead of tree-pass.h.
* arm/t-arm, avr/t-avr, i386/t-i386, ia64/t-ia64, mep/t-mep,
spu/t-spu-elf: Fix dependencies.
c-family/
* c-gimplify.c: Include dumpfile.h instead of tree-dump.h.
* c-ada-spec.c: Likewise.
* c-dump.c (dump_stmt): Move to cp/dump.c, the only user.
c/
* c-decl.c: Include dumpfile.h instead of tree-dump.h.
* Make-lang.in: Fix dependencies.
cp/
* dump.c (dump_stmt): Moved here from c-dump.c.
* optimize.c: Include dumpfile.h instead of tree-dump.h.
* class.c: Likewise.
* decl2.c: Likewise.
* Make-lang.in: Fix dependencies.
fortran/
* f95-lang.c: Include dumpfile.h instead of tree-dump.h.
* Make-lang.in: Fix dependencies.
java/
* java-gimplify.c Include dumpfile.h instead of tree-dump.h
* Make-lang.in: Fix dependencies.
lto/
* lto.c: Do not include timevar.h.
* Make-lang.in: Fix dependencies.
ada/
* gcc-interface/utils.c: Include timevar.h.
* Make-lang.in: Fix dependencies.
From-SVN: r189519
2012-07-16 13:32:42 +02:00
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#include "dumpfile.h"
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2013-11-22 16:58:51 +01:00
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#include "tree-ssa-alias.h"
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#include "internal-fn.h"
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#include "gimple-expr.h"
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#include "is-a.h"
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2013-10-23 14:16:58 +02:00
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#include "gimple.h"
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gimple-walk.h: New File.
* gimple-walk.h: New File. Relocate prototypes from gimple.h.
(struct walk_stmt_info): Relocate here from gimple.h.
* gimple-iterator.h: New File. Relocate prototypes from gimple.h.
(struct gimple_stmt_iterator_d): Relocate here from gimple.h.
(gsi_start_1, gsi_none, gsi_start_bb, gsi_last_1, gsi_last_bb,
gsi_end_p, gsi_one_before_end_p, gsi_next, gsi_prev, gsi_stmt,
gsi_after_labels, gsi_next_nondebug, gsi_prev_nondebug,
gsi_start_nondebug_bb, gsi_start_nondebug_after_labels_bb,
gsi_last_nondebug_bb, gsi_bb, gsi_seq): Relocate here from gimple.h.
* gimple.h (struct gimple_stmt_iterator_d): Move to gimple-iterator.h.
(gsi_start_1, gsi_none, gsi_start_bb, gsi_last_1, gsi_last_bb,
gsi_end_p, gsi_one_before_end_p, gsi_next, gsi_prev, gsi_stmt,
gsi_after_labels, gsi_next_nondebug, gsi_prev_nondebug,
gsi_start_nondebug_bb, gsi_start_nondebug_after_labels_bb,
gsi_last_nondebug_bb, gsi_bb, gsi_seq): Move to gimple-iterator.h.
(struct walk_stmt_info): Move to gimple-walk.h.
(gimple_seq_set_location): Move to gimple.c
* gimple-walk.c: New File.
(walk_gimple_seq_mod, walk_gimple_seq, walk_gimple_asm, walk_gimple_op,
walk_gimple_stmt, get_base_loadstore, walk_stmt_load_store_addr_ops,
walk_stmt_load_store_ops): Relocate here from gimple.c.
* gimple-iterator.c: Include gimple-iterator.h.
* gimple.c (walk_gimple_seq_mod, walk_gimple_seq, walk_gimple_asm,
walk_gimple_op, walk_gimple_stmt, get_base_loadstore,
walk_stmt_load_store_addr_ops, walk_stmt_load_store_ops): Move to
gimple-walk.c.
(gimple_seq_set_location): Relocate from gimple.h.
* tree-phinodes.h (set_phi_nodes): Move to tree-phinodes.c.
* tree-phinodes.c (set_phi_nodes): Relocate from tree-phinodes.h.
* gengtype.c (open_base_files): Add gimple-iterator.h to include list.
* Makefile.in (OBJS): Add gimple-walk.o
* asan.c: Update Include list as required for gimple-iterator.h and
gimple-walk.h.
* cfgexpand.c: Likewise.
* cfgloop.c: Likewise.
* cfgloopmanip.c: Likewise.
* cgraph.c: Likewise.
* cgraphbuild.c: Likewise.
* cgraphunit.c: Likewise.
* gimple-fold.c: Likewise.
* gimple-low.c: Likewise.
* gimple-pretty-print.c: Likewise.
* gimple-ssa-isolate-paths.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple-streamer-out.c: Likewise.
* gimplify.c: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-profile.c: Likewise.
* ipa-prop.c: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-split.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* omp-low.c: Likewise.
* predict.c: Likewise.
* profile.c: Likewise.
* sese.c: Likewise.
* tracer.c: Likewise.
* trans-mem.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-dfa.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-into-ssa.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-nested.c: Likewise.
* tree-nrv.c: Likewise.
* tree-object-size.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-predcom.c: Likewise.
* tree-profile.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-copy.c: Likewise.
* tree-ssa-copyrename.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-dse.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-ifcombine.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-loop-ch.c: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-loop.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sink.c: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-ter.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-tailcall.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tsan.c: Likewise.
* value-prof.c: Likewise.
* vtable-verify.c: Likewise.
* config/aarch64/aarch64-builtins.c: Include gimple-iterator.h.
* config/rs6000/rs6000.c: Include gimple-iterator.h and gimple-walk.h.
* testsuite/g++.dg/plugin/selfassign.c: Include gimple-iterator.h.
* testsuite/gcc.dg/plugin/selfassign.c: Likewise.
From-SVN: r204763
2013-11-14 00:54:17 +01:00
|
|
|
#include "gimple-iterator.h"
|
2013-10-23 14:16:58 +02:00
|
|
|
#include "gimple-ssa.h"
|
|
|
|
#include "tree-cfg.h"
|
|
|
|
#include "tree-phinodes.h"
|
|
|
|
#include "ssa-iterators.h"
|
2013-11-19 13:31:09 +01:00
|
|
|
#include "stringpool.h"
|
2013-10-23 14:16:58 +02:00
|
|
|
#include "tree-ssanames.h"
|
2006-02-07 19:31:27 +01:00
|
|
|
#include "tree-ssa-propagate.h"
|
2013-09-26 05:28:03 +02:00
|
|
|
#include "tree-ssa-threadupdate.h"
|
2006-02-07 19:31:27 +01:00
|
|
|
#include "langhooks.h"
|
|
|
|
#include "params.h"
|
tree-ssa.h: Don't include gimple-low.h...
* tree-ssa.h: Don't include gimple-low.h, tree-ssa-address.h, sbitmap.h,
tree-ssa-threadedge.h, tree-ssa-dom.h, and tree-cfgcleanup.h.
* gimple-low.c (gimple_check_call_arg,
gimple_check_call_matching_types): Move to cgraph.c.
* gimple-low.h: Remove prototype.
* cgraph.c: (gimple_check_call_arg, gimple_check_call_matching_types):
Relocate from gimple-low.c.
* cgraph.h: Add prototype. Don't include basic-block.h.
* gimplify.c: Add gimple-low to include list.
* omp-low.c: Add gimple-low and tree-cfgcleanup.h to include list.
* tree-eh.c: Add gimple-low to include list.
* tree-nested.c: Likewise.
* cfgexpand.c: Add tree-ssa-address.h to include list.
* expr.c: Likewise.
* gimple-fold.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* trans-mem.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-dom.c: Include tree-ssa-threadedge.h and tree-ssa-dom.h.
(degenerate_phi_result): Move to tree-phinodes.c.
* tree-ssa-loop-ch.c: Include tree-ssa-threadedge.h.
* tree-ssa-threadedge.c: Likewise.
* tree-vrp.c: Likewise.
* tree-phinodes.c (degenerate_phi_result): Relocate here.
* tree-ssa-dom.h (degenerate_phi_result): Remove Prototype.
* tree-phinodes.h (degenerate_phi_result): Add prototype.
* tree-ssa-copy.c: Include tree-ssa-dom.h.
* tree-ssa-forwprop.c: Likewise.
* tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing,
pass_data_cleanup_cfg_post_optimizing,
make_pass_cleanup_cfg_post_optimizing): Relocate from tree-optimize.c.
* tree-optimize.c: Delete File.
* graphite.c: Include tree-cfgcleanup.h.
* passes.c: Likewise.
* tree-cfg.c: Likewise.
* tree-profile.c: Likewise.
* tree-ssa-dse.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-switch-conversion.c: Don't include tree-ssa-operands.h.
* tree-outof-ssa.c: Include sbitmap.h.
* tree-ssa-live.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-stdarg.c: Likewise.
* Makefile.in (OBJS): Delete tree-optimize.o.
* basic-block.h (gcov_type, gcov_type_unsigned): Move to coretypes.h.
* coretypes.h (gcov_type, gcov_type_unsigned): Relocate here.
* varasm.c: Include basic-block.h.
* cfgloop.h: Include function.h instead of basic-block.h
(bb_loop_depth): Move to cfgloop.c.
* cfgloop.c (bb_loop_depth): Relocate from cfgloop.h.
From-SVN: r203833
2013-10-18 21:35:40 +02:00
|
|
|
#include "tree-ssa-threadedge.h"
|
expr.h: Remove prototypes of functions defined in builtins.c.
* expr.h: Remove prototypes of functions defined in builtins.c.
* tree.h: (build_call_expr_*, build_string_literal): Add prototypes.
Remove prototypes of functions defined in builtins.c.
* builtins.h: Update prototype list to include all exported functions.
* builtins.c: (default_libc_has_function, gnu_libc_has_function,
no_c99_libc_has_function): Move to targhooks.c
(build_string_literal, build_call_expr_loc_array,
build_call_expr_loc_vec, build_call_expr_loc, build_call_expr): Move
to tree.c.
(expand_builtin_object_size, fold_builtin_object_size): Make static.
* targhooks.c (default_libc_has_function, gnu_libc_has_function,
no_c99_libc_has_function): Relocate from builtins.c.
* tree.c: Include builtins.h.
(build_call_expr_loc_array, build_call_expr_loc_vec,
build_call_expr_loc, build_call_expr, build_string_literal): Relocate
from builtins.c.
* fold-const.h (fold_fma): Move prototype to builtins.h.
* realmpfr.h (do_mpc_arg2): Move prototype to builtins.h.
* fortran/trans.c (trans_runtime_error_vararg): Call
fold_build_call_array_loc instead of fold_builtin_call_array.
* asan.c: Include builtins.h.
* cfgexpand.c: Likewise.
* convert.c: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* expr.c: Likewise.
* fold-const.c: Likewise.
* gimple-fold.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimplify.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-prop.c: Likewise.
* lto-streamer-out.c: Likewise.
* stmt.c: Likewise.
* tree-inline.c: Likewise.
* tree-object-size.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-stmts.c: Likewise.
c
* c-decl.c: Include builtins.h.
* c-parser.c: Likewise.
cp
* decl.c: Include builtins.h.
* semantics.c: Likewise.
go
* go-gcc.cc: Include builtins.h.
lto
* lto-symtab.c: Include builtins.h.
config
* aarch64/aarch64.c: Include builtins.h.
* alpha/alpha.c: Likewise.
* arc/arc.c: Likewise.
* arm/arm.c: Likewise.
* avr/avr.c: Likewise.
* bfin/bfin.c: Likewise.
* c6x/c6x.c: Likewise.
* cr16/cr16.c: Likewise.
* cris/cris.c: Likewise.
* epiphany/epiphany.c: Likewise.
* fr30/fr30.c: Likewise.
* frv/frv.c: Likewise.
* h8300/h8300.c: Likewise.
* i386/i386.c: Likewise.
* i386/winnt.c: Likewise.
* ia64/ia64.c: Likewise.
* iq2000/iq2000.c: Likewise.
* lm32/lm32.c: Likewise.
* m32c/m32c.c: Likewise.
* m32r/m32r.c: Likewise.
* m68k/m68k.c: Likewise.
* mcore/mcore.c: Likewise.
* mep/mep.c: Likewise.
* microblaze/microblaze.c: Likewise.
* mips/mips.c: Likewise.
* mmix/mmix.c: Likewise.
* mn10300/mn10300.c: Likewise.
* moxie/moxie.c: Likewise.
* msp430/msp430.c: Likewise.
* nds32/nds32.c: Likewise.
* pa/pa.c: Likewise.
* pdp11/pdp11.c: Likewise.
* picochip/picochip.c: Likewise.
* rl78/rl78.c: Likewise.
* rs6000/rs6000.c: Likewise.
* rx/rx.c: Likewise.
* s390/s390.c: Likewise.
* score/score.c: Likewise.
* sh/sh.c: Likewise.
* sparc/sparc.c: Likewise.
* spu/spu.c: Likewise.
* stormy16/stormy16.c: Likewise.
* tilegx/tilegx.c: Likewise.
* tilepro/tilepro.c: Likewise.
* v850/v850.c: Likewise.
* vax/vax.c: Likewise.
* xtensa/xtensa.c: Likewise.
From-SVN: r211145
2014-06-02 22:13:44 +02:00
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#include "builtins.h"
|
2006-02-07 19:31:27 +01:00
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/* To avoid code explosion due to jump threading, we limit the
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|
number of statements we are going to copy. This variable
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|
holds the number of statements currently seen that we'll have
|
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|
to copy as part of the jump threading process. */
|
|
|
|
static int stmt_count;
|
|
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|
|
2009-04-28 10:50:19 +02:00
|
|
|
/* Array to record value-handles per SSA_NAME. */
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
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vec<tree> ssa_name_values;
|
2009-04-28 10:50:19 +02:00
|
|
|
|
|
|
|
/* Set the value for the SSA name NAME to VALUE. */
|
|
|
|
|
|
|
|
void
|
|
|
|
set_ssa_name_value (tree name, tree value)
|
|
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{
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
if (SSA_NAME_VERSION (name) >= ssa_name_values.length ())
|
|
|
|
ssa_name_values.safe_grow_cleared (SSA_NAME_VERSION (name) + 1);
|
2013-11-07 12:33:03 +01:00
|
|
|
if (value && TREE_OVERFLOW_P (value))
|
|
|
|
value = drop_tree_overflow (value);
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
ssa_name_values[SSA_NAME_VERSION (name)] = value;
|
2009-04-28 10:50:19 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Initialize the per SSA_NAME value-handles array. Returns it. */
|
|
|
|
void
|
|
|
|
threadedge_initialize_values (void)
|
|
|
|
{
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
gcc_assert (!ssa_name_values.exists ());
|
|
|
|
ssa_name_values.create (num_ssa_names);
|
2009-04-28 10:50:19 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Free the per SSA_NAME value-handle array. */
|
|
|
|
void
|
|
|
|
threadedge_finalize_values (void)
|
|
|
|
{
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
ssa_name_values.release ();
|
2009-04-28 10:50:19 +02:00
|
|
|
}
|
|
|
|
|
2006-02-07 19:31:27 +01:00
|
|
|
/* Return TRUE if we may be able to thread an incoming edge into
|
|
|
|
BB to an outgoing edge from BB. Return FALSE otherwise. */
|
|
|
|
|
|
|
|
bool
|
|
|
|
potentially_threadable_block (basic_block bb)
|
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
gimple_stmt_iterator gsi;
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
/* If BB has a single successor or a single predecessor, then
|
|
|
|
there is no threading opportunity. */
|
|
|
|
if (single_succ_p (bb) || single_pred_p (bb))
|
|
|
|
return false;
|
|
|
|
|
|
|
|
/* If BB does not end with a conditional, switch or computed goto,
|
|
|
|
then there is no threading opportunity. */
|
2008-07-28 16:33:56 +02:00
|
|
|
gsi = gsi_last_bb (bb);
|
|
|
|
if (gsi_end_p (gsi)
|
|
|
|
|| ! gsi_stmt (gsi)
|
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|| (gimple_code (gsi_stmt (gsi)) != GIMPLE_COND
|
|
|
|
&& gimple_code (gsi_stmt (gsi)) != GIMPLE_GOTO
|
|
|
|
&& gimple_code (gsi_stmt (gsi)) != GIMPLE_SWITCH))
|
2006-02-07 19:31:27 +01:00
|
|
|
return false;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return the LHS of any ASSERT_EXPR where OP appears as the first
|
|
|
|
argument to the ASSERT_EXPR and in which the ASSERT_EXPR dominates
|
|
|
|
BB. If no such ASSERT_EXPR is found, return OP. */
|
|
|
|
|
|
|
|
static tree
|
2008-07-28 16:33:56 +02:00
|
|
|
lhs_of_dominating_assert (tree op, basic_block bb, gimple stmt)
|
2006-02-07 19:31:27 +01:00
|
|
|
{
|
|
|
|
imm_use_iterator imm_iter;
|
2008-07-28 16:33:56 +02:00
|
|
|
gimple use_stmt;
|
2006-04-27 22:22:17 +02:00
|
|
|
use_operand_p use_p;
|
2006-02-07 19:31:27 +01:00
|
|
|
|
2006-04-27 22:22:17 +02:00
|
|
|
FOR_EACH_IMM_USE_FAST (use_p, imm_iter, op)
|
2006-02-07 19:31:27 +01:00
|
|
|
{
|
2006-04-27 22:22:17 +02:00
|
|
|
use_stmt = USE_STMT (use_p);
|
2006-02-07 19:31:27 +01:00
|
|
|
if (use_stmt != stmt
|
2008-07-28 16:33:56 +02:00
|
|
|
&& gimple_assign_single_p (use_stmt)
|
|
|
|
&& TREE_CODE (gimple_assign_rhs1 (use_stmt)) == ASSERT_EXPR
|
|
|
|
&& TREE_OPERAND (gimple_assign_rhs1 (use_stmt), 0) == op
|
|
|
|
&& dominated_by_p (CDI_DOMINATORS, bb, gimple_bb (use_stmt)))
|
2006-04-27 22:22:17 +02:00
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
return gimple_assign_lhs (use_stmt);
|
2006-04-27 22:22:17 +02:00
|
|
|
}
|
2006-02-07 19:31:27 +01:00
|
|
|
}
|
|
|
|
return op;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* We record temporary equivalences created by PHI nodes or
|
|
|
|
statements within the target block. Doing so allows us to
|
|
|
|
identify more jump threading opportunities, even in blocks
|
|
|
|
with side effects.
|
|
|
|
|
|
|
|
We keep track of those temporary equivalences in a stack
|
|
|
|
structure so that we can unwind them when we're done processing
|
|
|
|
a particular edge. This routine handles unwinding the data
|
|
|
|
structures. */
|
|
|
|
|
|
|
|
static void
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
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remove_temporary_equivalences (vec<tree> *stack)
|
2006-02-07 19:31:27 +01:00
|
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|
{
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
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while (stack->length () > 0)
|
2006-02-07 19:31:27 +01:00
|
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{
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tree prev_value, dest;
|
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This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
dest = stack->pop ();
|
2006-02-07 19:31:27 +01:00
|
|
|
|
builtins.c, [...]: Fix comment typos.
* builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
loop-invariant.c, omp-low.c, opts.c, passes.c,
rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
tree-ssa-structalias.c, tree-ssa-threadedge.c,
tree-ssa-threadupdate.c, tree-vect-patterns.c,
tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
unwind-dw2.c: Fix comment typos. Follow spelling conventions.
From-SVN: r111721
2006-03-05 00:05:24 +01:00
|
|
|
/* A NULL value indicates we should stop unwinding, otherwise
|
2006-02-07 19:31:27 +01:00
|
|
|
pop off the next entry as they're recorded in pairs. */
|
|
|
|
if (dest == NULL)
|
|
|
|
break;
|
|
|
|
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
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prev_value = stack->pop ();
|
2009-04-28 10:50:19 +02:00
|
|
|
set_ssa_name_value (dest, prev_value);
|
2006-02-07 19:31:27 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Record a temporary equivalence, saving enough information so that
|
|
|
|
we can restore the state of recorded equivalences when we're
|
|
|
|
done processing the current edge. */
|
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static void
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
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record_temporary_equivalence (tree x, tree y, vec<tree> *stack)
|
2006-02-07 19:31:27 +01:00
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{
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tree prev_x = SSA_NAME_VALUE (x);
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2013-11-22 19:52:23 +01:00
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/* Y may be NULL if we are invalidating entries in the table. */
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if (y && TREE_CODE (y) == SSA_NAME)
|
2006-02-07 19:31:27 +01:00
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{
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tree tmp = SSA_NAME_VALUE (y);
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y = tmp ? tmp : y;
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}
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2009-04-28 10:50:19 +02:00
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set_ssa_name_value (x, y);
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This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
stack->reserve (2);
|
|
|
|
stack->quick_push (prev_x);
|
|
|
|
stack->quick_push (x);
|
2006-02-07 19:31:27 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Record temporary equivalences created by PHIs at the target of the
|
2009-11-25 11:55:54 +01:00
|
|
|
edge E. Record unwind information for the equivalences onto STACK.
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
If a PHI which prevents threading is encountered, then return FALSE
|
2013-11-22 19:52:23 +01:00
|
|
|
indicating we should not thread this edge, else return TRUE.
|
|
|
|
|
|
|
|
If SRC_MAP/DST_MAP exist, then mark the source and destination SSA_NAMEs
|
|
|
|
of any equivalences recorded. We use this to make invalidation after
|
|
|
|
traversing back edges less painful. */
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
static bool
|
2014-06-05 20:25:02 +02:00
|
|
|
record_temporary_equivalences_from_phis (edge e, vec<tree> *stack)
|
2006-02-07 19:31:27 +01:00
|
|
|
{
|
2014-11-19 18:00:54 +01:00
|
|
|
gphi_iterator gsi;
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
/* Each PHI creates a temporary equivalence, record them.
|
|
|
|
These are context sensitive equivalences and will be removed
|
|
|
|
later. */
|
2008-07-28 16:33:56 +02:00
|
|
|
for (gsi = gsi_start_phis (e->dest); !gsi_end_p (gsi); gsi_next (&gsi))
|
2006-02-07 19:31:27 +01:00
|
|
|
{
|
2014-11-19 18:00:54 +01:00
|
|
|
gphi *phi = gsi.phi ();
|
2006-02-07 19:31:27 +01:00
|
|
|
tree src = PHI_ARG_DEF_FROM_EDGE (phi, e);
|
2008-07-28 16:33:56 +02:00
|
|
|
tree dst = gimple_phi_result (phi);
|
2006-02-07 19:31:27 +01:00
|
|
|
|
2009-11-25 11:55:54 +01:00
|
|
|
/* If the desired argument is not the same as this PHI's result
|
2006-02-07 19:31:27 +01:00
|
|
|
and it is set by a PHI in E->dest, then we can not thread
|
|
|
|
through E->dest. */
|
|
|
|
if (src != dst
|
|
|
|
&& TREE_CODE (src) == SSA_NAME
|
2008-07-28 16:33:56 +02:00
|
|
|
&& gimple_code (SSA_NAME_DEF_STMT (src)) == GIMPLE_PHI
|
|
|
|
&& gimple_bb (SSA_NAME_DEF_STMT (src)) == e->dest)
|
2006-02-07 19:31:27 +01:00
|
|
|
return false;
|
|
|
|
|
|
|
|
/* We consider any non-virtual PHI as a statement since it
|
|
|
|
count result in a constant assignment or copy operation. */
|
2012-08-14 16:16:18 +02:00
|
|
|
if (!virtual_operand_p (dst))
|
2006-02-07 19:31:27 +01:00
|
|
|
stmt_count++;
|
|
|
|
|
|
|
|
record_temporary_equivalence (dst, src, stack);
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
/* Fold the RHS of an assignment statement and return it as a tree.
|
|
|
|
May return NULL_TREE if no simplification is possible. */
|
|
|
|
|
|
|
|
static tree
|
|
|
|
fold_assignment_stmt (gimple stmt)
|
|
|
|
{
|
|
|
|
enum tree_code subcode = gimple_assign_rhs_code (stmt);
|
|
|
|
|
|
|
|
switch (get_gimple_rhs_class (subcode))
|
|
|
|
{
|
|
|
|
case GIMPLE_SINGLE_RHS:
|
2011-09-01 13:46:08 +02:00
|
|
|
return fold (gimple_assign_rhs1 (stmt));
|
2010-06-25 10:56:24 +02:00
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
case GIMPLE_UNARY_RHS:
|
|
|
|
{
|
|
|
|
tree lhs = gimple_assign_lhs (stmt);
|
|
|
|
tree op0 = gimple_assign_rhs1 (stmt);
|
|
|
|
return fold_unary (subcode, TREE_TYPE (lhs), op0);
|
|
|
|
}
|
2010-06-25 10:56:24 +02:00
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
case GIMPLE_BINARY_RHS:
|
|
|
|
{
|
|
|
|
tree lhs = gimple_assign_lhs (stmt);
|
|
|
|
tree op0 = gimple_assign_rhs1 (stmt);
|
|
|
|
tree op1 = gimple_assign_rhs2 (stmt);
|
|
|
|
return fold_binary (subcode, TREE_TYPE (lhs), op0, op1);
|
|
|
|
}
|
2010-06-25 10:56:24 +02:00
|
|
|
|
|
|
|
case GIMPLE_TERNARY_RHS:
|
|
|
|
{
|
|
|
|
tree lhs = gimple_assign_lhs (stmt);
|
|
|
|
tree op0 = gimple_assign_rhs1 (stmt);
|
|
|
|
tree op1 = gimple_assign_rhs2 (stmt);
|
|
|
|
tree op2 = gimple_assign_rhs3 (stmt);
|
2011-09-01 13:46:08 +02:00
|
|
|
|
|
|
|
/* Sadly, we have to handle conditional assignments specially
|
|
|
|
here, because fold expects all the operands of an expression
|
|
|
|
to be folded before the expression itself is folded, but we
|
|
|
|
can't just substitute the folded condition here. */
|
|
|
|
if (gimple_assign_rhs_code (stmt) == COND_EXPR)
|
|
|
|
op0 = fold (op0);
|
|
|
|
|
2010-06-25 10:56:24 +02:00
|
|
|
return fold_ternary (subcode, TREE_TYPE (lhs), op0, op1, op2);
|
|
|
|
}
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
default:
|
|
|
|
gcc_unreachable ();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-11-22 19:52:23 +01:00
|
|
|
/* A new value has been assigned to LHS. If necessary, invalidate any
|
2014-11-07 23:55:00 +01:00
|
|
|
equivalences that are no longer valid. This includes invaliding
|
|
|
|
LHS and any objects that are currently equivalent to LHS.
|
|
|
|
|
|
|
|
Finding the objects that are currently marked as equivalent to LHS
|
|
|
|
is a bit tricky. We could walk the ssa names and see if any have
|
|
|
|
SSA_NAME_VALUE that is the same as LHS. That's expensive.
|
|
|
|
|
|
|
|
However, it's far more efficient to look at the unwinding stack as
|
|
|
|
that will have all context sensitive equivalences which are the only
|
|
|
|
ones that we really have to worry about here. */
|
2013-11-22 19:52:23 +01:00
|
|
|
static void
|
2014-06-05 20:25:02 +02:00
|
|
|
invalidate_equivalences (tree lhs, vec<tree> *stack)
|
2013-11-22 19:52:23 +01:00
|
|
|
{
|
2014-06-05 20:25:02 +02:00
|
|
|
|
2014-11-07 23:55:00 +01:00
|
|
|
/* The stack is an unwinding stack. If the current element is NULL
|
|
|
|
then it's a "stop unwinding" marker. Else the current marker is
|
|
|
|
the SSA_NAME with an equivalence and the prior entry in the stack
|
|
|
|
is what the current element is equivalent to. */
|
|
|
|
for (int i = stack->length() - 1; i >= 0; i--)
|
|
|
|
{
|
|
|
|
/* Ignore the stop unwinding markers. */
|
|
|
|
if ((*stack)[i] == NULL)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* We want to check the current value of stack[i] to see if
|
|
|
|
it matches LHS. If so, then invalidate. */
|
|
|
|
if (SSA_NAME_VALUE ((*stack)[i]) == lhs)
|
|
|
|
record_temporary_equivalence ((*stack)[i], NULL_TREE, stack);
|
|
|
|
|
|
|
|
/* Remember, we're dealing with two elements in this case. */
|
|
|
|
i--;
|
|
|
|
}
|
2014-06-05 20:25:02 +02:00
|
|
|
|
2014-11-07 23:55:00 +01:00
|
|
|
/* And invalidate any known value for LHS itself. */
|
2014-06-05 20:25:02 +02:00
|
|
|
if (SSA_NAME_VALUE (lhs))
|
|
|
|
record_temporary_equivalence (lhs, NULL_TREE, stack);
|
2013-11-22 19:52:23 +01:00
|
|
|
}
|
|
|
|
|
2006-02-07 19:31:27 +01:00
|
|
|
/* Try to simplify each statement in E->dest, ultimately leading to
|
|
|
|
a simplification of the COND_EXPR at the end of E->dest.
|
|
|
|
|
|
|
|
Record unwind information for temporary equivalences onto STACK.
|
|
|
|
|
|
|
|
Use SIMPLIFY (a pointer to a callback function) to further simplify
|
2009-11-25 11:55:54 +01:00
|
|
|
statements using pass specific information.
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
We might consider marking just those statements which ultimately
|
|
|
|
feed the COND_EXPR. It's not clear if the overhead of bookkeeping
|
|
|
|
would be recovered by trying to simplify fewer statements.
|
|
|
|
|
|
|
|
If we are able to simplify a statement into the form
|
|
|
|
SSA_NAME = (SSA_NAME | gimple invariant), then we can record
|
2008-07-28 16:33:56 +02:00
|
|
|
a context sensitive equivalence which may help us simplify
|
2006-02-07 19:31:27 +01:00
|
|
|
later statements in E->dest. */
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
static gimple
|
2006-02-07 19:31:27 +01:00
|
|
|
record_temporary_equivalences_from_stmts_at_dest (edge e,
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
vec<tree> *stack,
|
2008-07-28 16:33:56 +02:00
|
|
|
tree (*simplify) (gimple,
|
2013-11-22 19:52:23 +01:00
|
|
|
gimple),
|
2014-06-05 20:25:02 +02:00
|
|
|
bool backedge_seen)
|
2006-02-07 19:31:27 +01:00
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{
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2008-07-28 16:33:56 +02:00
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gimple stmt = NULL;
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|
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|
gimple_stmt_iterator gsi;
|
2006-02-07 19:31:27 +01:00
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int max_stmt_count;
|
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max_stmt_count = PARAM_VALUE (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS);
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/* Walk through each statement in the block recording equivalences
|
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we discover. Note any equivalences we discover are context
|
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sensitive (ie, are dependent on traversing E) and must be unwound
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when we're finished processing E. */
|
2008-07-28 16:33:56 +02:00
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for (gsi = gsi_start_bb (e->dest); !gsi_end_p (gsi); gsi_next (&gsi))
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2006-02-07 19:31:27 +01:00
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{
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tree cached_lhs = NULL;
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2008-07-28 16:33:56 +02:00
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stmt = gsi_stmt (gsi);
|
2006-02-07 19:31:27 +01:00
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/* Ignore empty statements and labels. */
|
invoke.texi (-fvar-tracking-assignments): New.
gcc/ChangeLog:
* doc/invoke.texi (-fvar-tracking-assignments): New.
(-fvar-tracking-assignments-toggle): New.
(-fdump-final-insns=file): Mark filename as optional.
(--param min-nondebug-insn-uid): New.
(-gdwarf-@{version}): Mention version 4.
* opts.c (common_handle_option): Accept it.
* tree-vrp.c (find_assert_locations_1): Skip debug stmts.
* regrename.c (regrename_optimize): Drop last. Don't count debug
insns as uses. Don't reject change because of debug insn.
(do_replace): Reject DEBUG_INSN as chain starter. Take base_regno
from the chain starter, and check for inexact matches in
DEBUG_INSNS.
(scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
(build_def_use): Simplify and fix the marking of DEBUG_INSNs.
* sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
* fwprop.c (forward_propagate_and_simplify): ...into debug insns.
* doc/gimple.texi (is_gimple_debug): New.
(gimple_debug_bind_p): New.
(is_gimple_call, gimple_assign_cast_p): End sentence with period.
* doc/install.texi (bootstrap-debug): More details.
(bootstrap-debug-big, bootstrap-debug-lean): Document.
(bootstrap-debug-lib): More details.
(bootstrap-debug-ckovw): Update.
(bootstrap-time): New.
* tree-into-ssa.c (mark_def_sites): Skip debug stmts.
(insert_phi_nodes_for): Insert debug stmts.
(rewrite_stmt): Take iterator. Insert debug stmts.
(rewrite_enter_block): Adjust.
(maybe_replace_use_in_debug_stmt): New.
(rewrite_update_stmt): Use it.
(mark_use_interesting): Return early for debug stmts.
* tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
stmts before replacing stmt.
(move_computations_stmt): Likewise.
* ira-conflicts.c (add_copies): Skip debug insns.
* regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
(regstat_bb_compute_ri): Skip debug insns.
* tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
* tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
check_loop_closed_ssa_stmt): Skip debug stmts.
* tree-tailcall.c (find_tail_calls): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
* tree.h (MAY_HAVE_DEBUG_STMTS): New.
(build_var_debug_value_stat): Declare.
(build_var_debug_value): Define.
(target_for_debug_bind): Declare.
* reload.c (find_equiv_reg): Skip debug insns.
* rtlanal.c (reg_used_between_p): Skip debug insns.
(side_effects_p): Likewise.
(canonicalize_condition): Likewise.
* ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
insns never depend on debug insns.
(create_ddg_dep_no_link): Likewise.
(add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
Don't add inter-loop dependencies for debug insns.
(build_intra_loop_deps): Likewise.
(create_ddg): Count debug insns.
* ddg.h (struct ddg::num_debug): New.
(num_backargs): Pair up with previous int field.
* diagnostic.c (diagnostic_report_diagnostic): Skip notes on
-fcompare-debug-second.
* final.c (get_attr_length_1): Skip debug insns.
(rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
* gcc.c (invoke_as): Call compare-debug-dump-opt.
(driver_self_specs): Map -fdump-final-insns to
-fdump-final-insns=..
(get_local_tick): New.
(compare_debug_dump_opt_spec_function): Test for . argument and
compute output name. Compute temp output spec without flag name.
Compute -frandom-seed.
(OPT): Undef after use.
* cfgloopanal.c (num_loop_insns): Skip debug insns.
(average_num_loop_insns): Likewise.
* params.h (MIN_NONDEBUG_INSN_UID): New.
* gimple.def (GIMPLE_DEBUG): New.
* ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
* auto-inc-dec.c (merge_in_block): Skip debug insns.
(merge_in_block): Fix whitespace.
* toplev.c (flag_var_tracking): Update comment.
(flag_var_tracking_assignments): New.
(flag_var_tracking_assignments_toggle): New.
(process_options): Don't open final insns dump file if we're not
going to write to it. Compute defaults for var_tracking.
* df-scan.c (df_insn_rescan_debug_internal): New.
(df_uses_record): Handle debug insns.
* haifa-sched.c (ready): Initialize n_debug.
(contributes_to_priority): Skip debug insns.
(dep_list_size): New.
(priority): Use it.
(rank_for_schedule): Likewise. Schedule debug insns as soon as
they're ready. Disregard previous debug insns to make decisions.
(queue_insn): Never queue debug insns.
(ready_add, ready_remove_first, ready_remove): Count debug insns.
(schedule_insn): Don't reject debug insns because of issue rate.
(get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
(queue_to_ready): Skip and discount debug insns.
(choose_ready): Let debug insns through.
(schedule_block): Check boundary debug insns. Discount debug
insns, schedule them early. Adjust whitespace.
(set_priorities): Check for boundary debug insns.
(add_jump_dependencies): Use dep_list_size.
(prev_non_location_insn): New.
(check_cfg): Use it.
* tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
stmts.
(remove_unused_ivs): Reset debug stmts.
* modulo-sched.c (const_iteration_count): Skip debug insns.
(res_MII): Discount debug insns.
(loop_single_full_bb_p): Skip debug insns.
(sms_schedule): Likewise.
(sms_schedule_by_order): Likewise.
(ps_has_conflicts): Likewise.
* caller-save.c (refmarker_fn): New.
(save_call_clobbered_regs): Replace regs with saved mem in
debug insns.
(mark_referenced_regs): Take pointer, mark and arg. Adjust.
Call refmarker_fn mark for hardregnos.
(mark_reg_as_referenced): New.
(replace_reg_with_saved_mem): New.
* ipa-pure-const.c (check_stmt): Skip debug stmts.
* cse.c (cse_insn): Canonicalize debug insns. Skip them when
searching back.
(cse_extended_basic_block): Skip debug insns.
(count_reg_usage): Likewise.
(is_dead_reg): New, split out of...
(set_live_p): ... here.
(insn_live_p): Use it for debug insns.
* tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
(execute_optimize_stdarg): Likewise.
* tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
* tree-ssa-propagate.c (substitute_and_fold): Don't regard
changes in debug stmts as changes.
* sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
(moveup_expr): Don't move across debug insns. Don't move
debug insn if it would create a bookkeeping block.
(moveup_expr_cached): Don't use cache for debug insns that
are heads of blocks.
(compute_av_set_inside_bb): Skip debug insns.
(sel_rank_for_schedule): Schedule debug insns first. Remove
dead code.
(block_valid_for_bookkeeping_p); Support lax searches.
(create_block_for_bookkeeping): Adjust block numbers when
encountering debug-only blocks.
(find_place_for_bookkeeping): Deal with debug-only blocks.
(generate_bookkeeping_insn): Accept no place to insert.
(remove_temp_moveop_nops): New argument full_tidying.
(prepare_place_to_insert): Deal with debug insns.
(advance_state_on_fence): Debug insns don't start cycles.
(update_boundaries): Take fence as argument. Deal with
debug insns.
(schedule_expr_on_boundary): No full_tidying on debug insns.
(fill_insns): Deal with debug insns.
(track_scheduled_insns_and_blocks): Don't count debug insns.
(need_nop_to_preserve_insn_bb): New, split out of...
(remove_insn_from_stream): ... this.
(fur_orig_expr_not_found): Skip debug insns.
* rtl.def (VALUE): Move up.
(DEBUG_INSN): New.
* tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug
stmts.
(nearest_common_dominator_of_uses): Take debug_stmts argument.
Set it if debug stmts are found.
(statement_sink_location): Skip debug stmts. Propagate
moving defs into debug stmts.
* ifcvt.c (first_active_insn): Skip debug insns.
(last_active_insns): Likewise.
(cond_exec_process_insns): Likewise.
(noce_process_if_block): Likewise.
(check_cond_move_block): Likewise.
(cond_move_convert_if_block): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(dead_or_predicable): Likewise.
* dwarf2out.c (debug_str_hash_forced): New.
(find_AT_string): Add comment.
(gen_label_for_indirect_string): New.
(get_debug_string_label): New.
(AT_string_form): Use it.
(mem_loc_descriptor): Handle non-TLS symbols. Handle MINUS , DIV,
MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING. Accept but
discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
several operations that cannot be represented with DWARF opcodes.
(loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND. Require
dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
(dwarf2out_var_location): Take during-call mark into account.
(output_indirect_string): Update comment. Output if there are
label and references.
(prune_indirect_string): New.
(prune_unused_types): Call it if debug_str_hash_forced.
More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
(dw_long_long_const): Remove.
(struct dw_val_struct): Change val_long_long type to rtx.
(print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
(output_die): Likewise. Use HOST_BITS_PER_WIDE_INT size of each
component instead of HOST_BITS_PER_LONG.
(output_loc_operands): Likewise. For const8* assert
HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
(output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
rather than HOST_BITS_PER_LONG is >= 64.
(add_AT_long_long): Remove val_hi and val_lo arguments, add
val_const_double.
(size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
HOST_BITS_PER_LONG for dw_val_class_long_long.
(add_const_value_attribute): Adjust add_AT_long_long caller. Don't
handle TLS SYMBOL_REFs. If CONST wraps a constant, tail recurse.
(dwarf_stack_op_name): Handle DW_OP_implicit_value and
DW_OP_stack_value.
(size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
Handle DW_OP_implicit_value.
(extract_int): Move prototype earlier.
(mem_loc_descriptor): For SUBREG punt if inner
mode size is wider than DWARF2_ADDR_SIZE. Handle SIGN_EXTEND
and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}. Handle
EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
(loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
instead of Pmode size.
(loc_descriptor): Add MODE argument. Handle CONST_INT, CONST_DOUBLE,
CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
attempt to handle other expressions. Don't handle TLS SYMBOL_REFs.
(concat_loc_descriptor, concatn_loc_descriptor,
loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
(add_location_or_const_value_attribute): Likewise. For single
location loc_lists attempt to use add_const_value_attribute
for constant decls. Add DW_AT_const_value even if
NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
in its expression.
* cfgbuild.c (inside_basic_block_p): Handle debug insns.
(control_flow_insn_p): Likewise.
* tree-parloops.c (eliminate_local_variables_stmt): Handle debug
stmt.
(separate_decls_in_region_debug_bind): New.
(separate_decls_in_region): Process debug bind stmts afterwards.
* recog.c (verify_changes): Handle debug insns.
(extract_insn): Likewise.
(peephole2_optimize): Skip debug insns.
* dse.c (scan_insn): Skip debug insns.
* sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
Pass it on.
(setup_id_for_insn): Handle debug insns.
(maybe_tidy_empty_bb): Adjust whitespace.
(tidy_control_flow): Skip debug insns.
(sel_remove_insn): Adjust for debug insns.
(sel_estimate_number_of_insns): Skip debug insns.
(create_insn_rtx_from_pattern): Handle debug insns.
(create_copy_of_insn_rtx): Likewise.
* sel-sched-.h (sel_bb_end): Declare.
(sel_bb_empty_or_nop_p): New.
(get_all_loop_exits): Use it.
(_eligible_successor_edge_p): Likewise.
(return_nop_to_pool): Adjust.
* tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
* ira-lives.c (process_bb_node_lives): Skip debug insns.
* gimple-pretty-print.c (dump_gimple_debug): New.
(dump_gimple_stmt): Use it.
(dump_bb_header): Skip gimple debug stmts.
* regmove.c (optimize_reg_copy_1): Discount debug insns.
(fixup_match_2): Likewise.
(regmove_backward_pass): Likewise. Simplify combined
replacement. Handle debug insns.
* function.c (instantiate_virtual_regs): Handle debug insns.
* function.h (struct emit_status): Add x_cur_debug_insn_uid.
* print-rtl.h: Include cselib.h.
(print_rtx): Print VALUEs. Split out and recurse for
VAR_LOCATIONs.
* df.h (df_inns_rescan_debug_internal): Declare.
* gcse.c (alloc_hash_table): Estimate n_insns.
(cprop_insn): Don't regard debug insns as changes.
(bypass_conditional_jumps): Skip debug insns.
(one_pre_gcse_pass): Adjust.
(one_code_hoisting_pass): Likewise.
(compute_ld_motion_mems): Skip debug insns.
(one_cprop_pass): Adjust.
* tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
(if_convertible_stmt_p): Handle debug stmts.
* init-regs.c (initialize_uninitialized_regs): Skip debug insns.
* tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
* ira-build.c (create_bb_allocnos): Skip debug insns.
* tree-flow-inline.h (has_zero_uses): Discount debug stmts.
(has_single_use): Likewise.
(single_imm_use): Likewise.
(num_imm_uses): Likewise.
* tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
* tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
(create_outofssa_var_map): Likewise.
* lower-subreg.c (adjust_decomposed_uses): New.
(resolve_debug): New.
(decompose_multiword_subregs): Use it.
* tree-dfa.c (find_referenced_vars): Skip debug stmts.
* emit-rtl.c: Include params.h.
(cur_debug_insn_uid): Define.
(set_new_first_and_last_insn): Set cur_debug_insn_uid too.
(copy_rtx_if_shared_1): Handle debug insns.
(reset_used_flags): Likewise.
(set_used_flags): LIkewise.
(get_max_insn_count): New.
(next_nondebug_insn): New.
(prev_nondebug_insn): New.
(make_debug_insn_raw): New.
(emit_insn_before_noloc): Handle debug insns.
(emit_jump_insn_before_noloc): Likewise.
(emit_call_insn_before_noloc): Likewise.
(emit_debug_insn_before_noloc): New.
(emit_insn_after_noloc): Handle debug insns.
(emit_jump_insn_after_noloc): Likewise.
(emit_call_insn_after_noloc): Likewise.
(emit_debug_insn_after_noloc): Likewise.
(emit_insn_after): Take loc from earlier non-debug insn.
(emit_jump_insn_after): Likewise.
(emit_call_insn_after): Likewise.
(emit_debug_insn_after_setloc): New.
(emit_debug_insn_after): New.
(emit_insn_before): Take loc from later non-debug insn.
(emit_jump_insn_before): Likewise.
(emit_call_insn_before): Likewise.
(emit_debug_insn_before_setloc): New.
(emit_debug_insn_before): New.
(emit_insn): Handle debug insns.
(emit_debug_insn): New.
(emit_jump_insn): Handle debug insns.
(emit_call_insn): Likewise.
(emit): Likewise.
(init_emit): Take min-nondebug-insn-uid into account.
Initialize cur_debug_insn_uid.
(emit_copy_of_insn_after): Handle debug insns.
* cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
location of single rhs in place.
(maybe_dump_rtl_for_gimple_stmt): Dump lineno.
(floor_sdiv_adjust): New.
(cell_sdiv_adjust): New.
(cell_udiv_adjust): New.
(round_sdiv_adjust): New.
(round_udiv_adjust): New.
(wrap_constant): Moved from cselib.
(unwrap_constant): New.
(expand_debug_expr): New.
(expand_debug_locations): New.
(expand_gimple_basic_block): Drop hiding redeclaration. Expand
debug bind stmts.
(gimple_expand_cfg): Expand debug locations.
* cselib.c: Include tree-pass.h.
(struct expand_value_data): New.
(cselib_record_sets_hook): New.
(PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
(cselib_clear_table): Move, and implemnet in terms of...
(cselib_reset_table_with_next_value): ... this.
(cselib_get_next_unknown_value): New.
(discard_useless_locs): Don't discard preserved values.
(cselib_preserve_value): New.
(cselib_preserved_value_p): New.
(cselib_preserve_definitely): New.
(cselib_clear_preserve): New.
(cselib_preserve_only_values): New.
(new_cselib_val): Take rtx argument. Dump it in details.
(cselib_lookup_mem): Adjust.
(expand_loc): Take regs_active in struct. Adjust. Silence
dumps unless details are requested.
(cselib_expand_value_rtx_cb): New.
(cselib_expand_value_rtx): Rename and reimplment in terms of...
(cselib_expand_value_rtx_1): ... this. Adjust. Silence dumps
without details. Copy more subregs. Try to resolve values
using a callback. Wrap constants.
(cselib_subst_to_values): Adjust.
(cselib_log_lookup): New.
(cselib_lookup): Call it.
(cselib_invalidate_regno): Don't count preserved values as
useless.
(cselib_invalidate_mem): Likewise.
(cselib_record_set): Likewise.
(struct set): Renamed to cselib_set, moved to cselib.h.
(cselib_record_sets): Adjust. Call hook.
(cselib_process_insn): Reset table when it would be cleared.
(dump_cselib_val): New.
(dump_cselib_table): New.
* tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
(remove_forwarder_block): Support moving debug stmts.
* cselib.h (cselib_record_sets_hook): Declare.
(cselib_expand_callback): New type.
(cselib_expand_value_rtx_cb): Declare.
(cselib_reset_table_with_next_value): Declare.
(cselib_get_next_unknown_value): Declare.
(cselib_preserve_value): Declare.
(cselib_preserved_value_p): Declare.
(cselib_preserve_only_values): Declare.
(dump_cselib_table): Declare.
* cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
(try_crossjump_to_edge): Likewise.
(delete_unreachable_blocks): Remove dominant GIMPLE blocks after
dominated blocks when debug stmts are present.
* simplify-rtx.c (delegitimize_mem_from_attrs): New.
* tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
(set_var_live_on_entry): Likewise.
* loop-invariant.c (find_invariants_bb): Skip debug insns.
* cfglayout.c (curr_location, last_location): Make static.
(set_curr_insn_source_location): Don't avoid bouncing.
(get_curr_insn_source_location): New.
(get_curr_insn_block): New.
(duplicate_insn_chain): Handle debug insns.
* tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
into debug stmts.
* common.opt (fcompare-debug): Move to sort order.
(fdump-unnumbered-links): Likewise.
(fvar-tracking-assignments): New.
(fvar-tracking-assignments-toggle): New.
* tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
because of debug stmts.
(mark_stmt_if_obviously_necessary): Mark debug stmts.
(eliminate_unnecessary_stmts): Walk dominated blocks before
dominators.
* tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
* ira.c (memref_used_between_p): Skip debug insns.
(update_equiv_regs): Likewise.
* sched-deps.c (sd_lists_size): Accept empty list.
(sd_init_insn): Mark debug insns.
(sd_finish_insn): Unmark them.
(sd_add_dep): Reject non-debug deps on debug insns.
(fixup_sched_groups): Give debug insns group treatment.
Skip debug insns.
(sched_analyze_reg): Don't mark debug insns for sched before call.
(sched_analyze_2): Handle debug insns.
(sched_analyze_insn): Compute next non-debug insn. Handle debug
insns.
(deps_analyze_insn): Handle debug insns.
(deps_start_bb): Skip debug insns.
(init_deps): Initialize last_debug_insn.
* tree-ssa.c (target_for_debug_bind): New.
(find_released_ssa_name): New.
(propagate_var_def_into_debug_stmts): New.
(propagate_defs_into_debug_stmts): New.
(verify_ssa): Skip debug bind stmts without values.
(warn_uninialized_vars): Skip debug stmts.
* target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
* rtl.c (rtx_equal_p_cb): Handle VALUEs.
(rtx_equal_p): Likewise.
* ira-costs.c (scan_one_insn): Skip debug insns.
(process_bb_node_for_hard_reg_moves): Likewise.
* rtl.h (DEBUG_INSN_P): New.
(NONDEBUG_INSN_P): New.
(MAY_HAVE_DEBUG_INSNS): New.
(INSN_P): Accept debug insns.
(RTX_FRAME_RELATED_P): Likewise.
(INSN_DELETED_P): Likewise
(PAT_VAR_LOCATION_DECL): New.
(PAT_VAR_LOCATION_LOC): New.
(PAT_VAR_OCATION_STATUS): New.
(NOTE_VAR_LOCATION_DECL): Reimplement.
(NOTE_VAR_LOCATION_LOC): Likewise.
(NOTE_VAR_LOCATION_STATUS): Likewise.
(INSN_VAR_LOCATION): New.
(INSN_VAR_LOCATION_DECL): New.
(INSN_VAR_LOCATION_LOC): New.
(INSN_VAR_LOCATION_STATUS): New.
(gen_rtx_UNKNOWN_VAR_LOC): New.
(VAR_LOC_UNKNOWN_P): New.
(NOTE_DURING_CALL_P): New.
(SCHED_GROUP_P): Accept debug insns.
(emit_debug_insn_before): Declare.
(emit_debug_insn_before_noloc): Declare.
(emit_debug_insn_beore_setloc): Declare.
(emit_debug_insn_after): Declare.
(emit_debug_insn_after_noloc): Declare.
(emit_debug_insn_after_setloc): Declare.
(emit_debug_insn): Declare.
(make_debug_insn_raw): Declare.
(prev_nondebug_insn): Declare.
(next_nondebug_insn): Declare.
(delegitimize_mem_from_attrs): Declare.
(get_max_insn_count): Declare.
(wrap_constant): Declare.
(unwrap_constant): Declare.
(get_curr_insn_source_location): Declare.
(get_curr_insn_block): Declare.
* tree-inline.c (insert_debug_decl_map): New.
(processing_debug_stmt): New.
(remap_decl): Don't create new mappings in debug stmts.
(remap_gimple_op_r): Don't add references in debug stmts.
(copy_tree_body_r): Likewise.
(remap_gimple_stmt): Handle debug bind stmts.
(copy_bb): Skip debug stmts.
(copy_edges_for_bb): Likewise.
(copy_debug_stmt): New.
(copy_debug_stmts): New.
(copy_body): Copy debug stmts at the end.
(insert_init_debug_bind): New.
(insert_init_stmt): Take id. Skip and emit debug stmts.
(setup_one_parameter): Remap variable earlier, register debug
mapping.
(estimate_num_insns): Skip debug stmts.
(expand_call_inline): Preserve debug_map.
(optimize_inline_calls): Check for no debug_stmts left-overs.
(unsave_expr_now): Preserve debug_map.
(copy_gimple_seq_and_replace_locals): Likewise.
(tree_function_versioning): Check for no debug_stmts left-overs.
Init and destroy debug_map as needed. Split edges unconditionally.
(build_duplicate_type): Init and destroy debug_map as needed.
* tree-inline.h: Include gimple.h instead of pointer-set.h.
(struct copy_body_data): Add debug_stmts and debug_map.
* sched-int.h (struct ready_list): Add n_debug.
(struct deps): Add last_debug_insn.
(DEBUG_INSN_SCHED_P): New.
(BOUNDARY_DEBUG_INSN_P): New.
(SCHEDULE_DEBUG_INSN_P): New.
(sd_iterator_cond): Accept empty list.
* combine.c (create_log_links): Skip debug insns.
(combine_instructions): Likewise.
(cleanup_auto_inc_dec): New. From Jakub Jelinek: Make sure the
return value is always unshared.
(struct rtx_subst_pair): New.
(auto_adjust_pair): New.
(propagate_for_debug_subst): New.
(propagate_for_debug): New.
(try_combine): Skip debug insns. Propagate removed defs into
debug insns.
(next_nonnote_nondebug_insn): New.
(distribute_notes): Use it. Skip debug insns.
(distribute_links): Skip debug insns.
* tree-outof-ssa.c (set_location_for_edge): Likewise.
* resource.c (mark_target_live_regs): Likewise.
* var-tracking.c: Include cselib.h and target.h.
(enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
MO_VAL_SET.
(micro_operation_type_name): New.
(enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
(struct micro_operation_def): Update comments.
(decl_or_value): New type. Use instead of decls.
(struct emit_note_data_def): Add vars.
(struct attrs_def): Use decl_or_value.
(struct variable_tracking_info_def): Add permp, flooded.
(struct location_chain_def): Update comment.
(struct variable_part_def): Use decl_or_value.
(struct variable_def): Make var_part a variable length array.
(valvar_pool): New.
(scratch_regs): New.
(cselib_hook_called): New.
(dv_is_decl_p): New.
(dv_is_value_p): New.
(dv_as_decl): New.
(dv_as_value): New.
(dv_as_opaque): New.
(dv_onepart_p): New.
(dv_pool): New.
(IS_DECL_CODE): New.
(check_value_is_not_decl): New.
(dv_from_decl): New.
(dv_from_value): New.
(dv_htab_hash): New.
(variable_htab_hash): Use it.
(variable_htab_eq): Support values.
(variable_htab_free): Free from the right pool.
(attrs_list_member, attrs_list_insert): Use decl_or_value.
(attrs_list_union): Adjust.
(attrs_list_mpdv_union): New.
(tie_break_pointers): New.
(canon_value_cmp): New.
(unshare_variable): Return possibly-modified slot.
(vars_copy_1): Adjust.
(var_reg_decl_set): Adjust. Split out of...
(var_reg_set): ... this.
(get_init_value): Adjust.
(var_reg_delete_and_set): Adjust.
(var_reg_delete): Adjust.
(var_regno_delete): Adjust.
(var_mem_decl_set): Split out of...
(var_mem_set): ... this.
(var_mem_delete_and_set): Adjust.
(var_mem_delete): Adjust.
(val_store): New.
(val_reset): New.
(val_resolve): New.
(variable_union): Adjust. Speed up merge of 1-part vars.
(variable_canonicalize): Use unshared slot.
(VALUED_RECURSED_INTO): New.
(find_loc_in_1pdv): New.
(struct dfset_merge): New.
(insert_into_intersection): New.
(intersect_loc_chains): New.
(loc_cmp): New.
(canonicalize_loc_order_check): New.
(canonicalize_values_mark): New.
(canonicalize_values_star): New.
(variable_merge_over_cur): New.
(variable_merge_over_src): New.
(dataflow_set_merge): New.
(dataflow_set_equiv_regs): New.
(remove_duplicate_values): New.
(struct dfset_post_merge): New.
(variable_post_merge_new_vals): New.
(variable_post_merge_perm_vals): New.
(dataflow_post_merge_adjust): New.
(find_mem_expr_in_1pdv): New.
(dataflow_set_preserve_mem_locs): New.
(dataflow_set_remove_mem_locs): New.
(dataflow_set_clear_at_call): New.
(onepart_variable_different_p): New.
(variable_different_p): Use it.
(dataflow_set_different_1): Adjust. Make detailed dump
more verbose.
(track_expr_p): Add need_rtl parameter. Don't generate rtl
if not needed.
(track_loc_p): Pass it true.
(struct count_use_info): New.
(find_use_val): New.
(replace_expr_with_values): New.
(log_op_type): New.
(use_type): New, partially split out of...
(count_uses): ... this. Count new micro-ops.
(count_uses_1): Adjust.
(count_stores): Adjust.
(count_with_sets): New.
(VAL_NEEDS_RESOLUTION): New.
(VAL_HOLDS_TRACK_EXPR): New.
(VAL_EXPR_IS_COPIED): New.
(VAL_EXPR_IS_CLOBBERED): New.
(add_uses): Adjust. Generate new micro-ops.
(add_uses_1): Adjust.
(add_stores): Generate new micro-ops.
(add_with_sets): New.
(find_src_status): Adjust.
(find_src_set_src): Adjust.
(compute_bb_dataflow): Use dataflow_set_clear_at_call.
Handle new micro-ops. Canonicalize value equivalances.
(vt_find_locations): Compute total size of hash tables for
dumping. Perform merge for var-tracking-assignments. Don't
disregard single-block loops.
(dump_attrs_list): Handle decl_or_value.
(dump_variable): Take variable. Deal with decl_or_value.
(dump_variable_slot): New.
(dump_vars): Use it.
(dump_dataflow_sets): Adjust.
(set_slot_part): New, extended to support one-part variables
after splitting out of...
(set_variable_part): ... this.
(clobber_slot_part): New, split out of...
(clobber_variable_part): ... this.
(delete_slot_part): New, split out of...
(delete_variable_part): .... this.
(check_wrap_constant): New.
(vt_expand_loc_callback): New.
(vt_expand_loc): New.
(emit_note_insn_var_location): Adjust. Handle values. Handle
EMIT_NOTE_AFTER_CALL_INSN.
(emit_notes_for_differences_1): Adjust. Handle values.
(emit_notes_for_differences_2): Likewise.
(emit_notes_for_differences): Adjust.
(emit_notes_in_bb): Take pointer to set. Emit AFTER_CALL_INSN
notes. Adjust. Handle new micro-ops.
(vt_add_function_parameters): Adjust. Create and bind values.
(vt_initialize): Adjust. Initialize scratch_regs and
valvar_pool, flooded and perm.. Initialize and use cselib. Log
operations. Move some code to count_with_sets and add_with_sets.
(delete_debug_insns): New.
(vt_debug_insns_local): New.
(vt_finalize): Release permp, valvar_pool, scratch_regs. Finish
cselib.
(var_tracking_main): If var-tracking-assignments is enabled
but var-tracking isn't, delete debug insns and leave. Likewise
if we exceed limits or fail the stack adjustments tests, and
after all var-tracking processing.
More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
(dataflow_set): Add traversed_vars.
(value_chain, const_value_chain): New typedefs.
(value_chain_pool, value_chains): New variables.
(value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
add_value_chains, add_cselib_value_chains, remove_value_chain,
remove_value_chains, remove_cselib_value_chains): New functions.
(shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
static inlines.
(shared_hash_find_slot_unshare, shared_hash_find_slot,
shared_hash_find_slot_noinsert, shared_hash_find): Update.
(dst_can_be_shared): New variable.
(unshare_variable): Unshare set->vars if shared, use shared_hash_*.
Clear dst_can_be_shared. If set->traversed_vars is non-NULL and
different from set->vars, look up slot again instead of using the
passed in slot.
(dataflow_set_init): Initialize traversed_vars.
(variable_union): Use shared_hash_*. Use initially NO_INSERT
lookup if set->vars is shared. Don't keep slot cleared before
calling unshare_variable. Unshare set->vars if needed. Adjust
unshare_variable callers. Clear dst_can_be_shared if needed.
Even ->refcount == 1 vars must be unshared if set->vars is shared
and var needs to be modified.
(dataflow_set_union): Set traversed_vars during canonicalization.
(VALUE_CHANGED, DECL_CHANGED): Define.
(set_dv_changed, dv_changed_p): New static inlines.
(track_expr_p): Clear DECL_CHANGED.
(dump_dataflow_sets): Set it.
(variable_was_changed): Call set_dv_changed.
(emit_note_insn_var_location): Likewise.
(changed_variables_stack): New variable.
(check_changed_vars_1, check_changed_vars_2): New functions.
(emit_notes_for_changes): Do nothing if changed_variables is
empty. Traverse changed_variables with check_changed_vars_1,
call check_changed_vars_2 on each changed_variables_stack entry.
(emit_notes_in_bb): Add SET argument. Just clear it at the
beginning, use it instead of local &set, don't destroy it at the
end.
(vt_emit_notes): Call dataflow_set_clear early on all
VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
computed set, dataflow_set_clear also VTI(bb)->in when we are
done with the basic block. Initialize changed_variables_stack,
free it afterwards. If ENABLE_CHECKING verify that after noting
differences to an empty set value_chains hash table is empty.
(vt_initialize): Initialize value_chains and value_chain_pool.
(vt_finalize): Delete value_chains htab, free value_chain_pool.
(variable_tracking_main): Call dump_dataflow_sets before calling
vt_emit_notes, not after it.
* tree-flow.h (propagate_defs_into_debug_stmts): Declare.
(propagate_var_def_into_debug_stmts): Declare.
* df-problems.c (df_lr_bb_local_compute): Skip debug insns.
(df_set_note): Reject debug insns.
(df_whole_mw_reg_dead_p): Take added_notes_p argument. Don't
add notes to debug insns.
(df_note_bb_compute): Adjust. Likewise.
(df_simulate_uses): Skip debug insns.
(df_simulate_initialize_backwards): Likewise.
* reg-stack.c (subst_stack_regs_in_debug_insn): New.
(subst_stack_regs_pat): Reject debug insns.
(convert_regs_1): Handle debug insns.
* Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
(print-rtl.o): Depend on cselib.h.
(cselib.o): Depend on TREE_PASS_H.
(var-tracking.o): Depend on cselib.h and TARGET_H.
* sched-rgn.c (rgn_estimate_number_of_insns): Discount
debug insns.
(init_ready_list): Skip boundary debug insns.
(add_branch_dependences): Skip debug insns.
(free_block_dependencies): Check for blocks with only debug
insns.
(compute_priorities): Likewise.
* gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
(gimple_build_with_ops_stat): Take subcode as unsigned. Adjust
all callers.
(gimple_build_debug_bind_stat): New.
(empty_body_p): Skip debug stmts.
(gimple_has_side_effects): Likewise.
(gimple_rhs_has_side_effects): Likewise.
* gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
(gimple_build_debug_bind_stat): Declare.
(gimple_build_debug_bind): Define.
(is_gimple_debug): New.
(gimple_debug_bind_p): New.
(gimple_debug_bind_get_var): New.
(gimple_debug_bind_get_value): New.
(gimple_debug_bind_get_value_ptr): New.
(gimple_debug_bind_set_var): New.
(gimple_debug_bind_set_value): New.
(GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
(gimple_debug_bind_reset_value): New.
(gimple_debug_bind_has_value_p): New.
(gsi_next_nondebug): New.
(gsi_prev_nondebug): New.
(gsi_start_nondebug_bb): New.
(gsi_last_nondebug_bb): New.
* sched-vis.c (print_pattern): Handle VAR_LOCATION.
(print_insn): Handle DEBUG_INSN.
* tree-cfg.c (remove_bb): Walk stmts backwards. Let loc
of first insn prevail.
(first_stmt): Skip debug stmts.
(first_non_label_stmt): Likewise.
(last_stmt): Likewise.
(has_zero_uses_1): New.
(single_imm_use_1): New.
(verify_gimple_debug): New.
(verify_types_in_gimple_stmt): Handle debug stmts.
(verify_stmt): Likewise.
(debug_loop_num): Skip debug stmts.
(remove_edge_and_dominated_blocks): Remove dominators last.
* tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into
debug stmts.
(linearize_expr): Likewise.
* config/i386/i386.c (ix86_delegitimize_address): Call
default implementation.
* config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug
insns.
(group_barrier_needed): Skip debug insns.
(emit_insn_group_barriers): Likewise.
(emit_all_insn_group_barriers): Likewise.
(ia64_variable_issue): Handle debug insns.
(ia64_dfa_new_cycle): Likewise.
(final_emit_insn_group_barriers): Skip debug insns.
(ia64_dwarf2out_def_steady_cfa): Take frame argument. Don't
def cfa without frame.
(process_set): Likewise.
(process_for_unwind_directive): Pass frame on.
* config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
(rs6000_delegitimize_address): New.
(rs6000_debug_adjust_cost): Handle debug insns.
(is_microcoded_insn): Likewise.
(is_cracked_insn): Likewise.
(is_nonpipeline_insn): Likewise.
(insn_must_be_first_in_group): Likewise.
(insn_must_be_last_in_group): Likewise.
(force_new_group): Likewise.
* cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
contains only debug insns.
(rtl_merge_blocks): Skip debug insns.
(purge_dead_edges): Likewise.
(rtl_block_ends_with_call_p): Skip debug insns.
* dce.c (deletable_insn_p): Handle VAR_LOCATION.
(mark_reg_dependencies): Skip debug insns.
* params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
* tree-ssanames.c (release_ssa_name): Propagate def into
debug stmts.
* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts): Skip debug stmts.
* regcprop.c (replace_oldest_value_addr): Skip debug insns.
(replace_oldest_value_mem): Use ALL_REGS for debug insns.
(copyprop_hardreg_forward_1): Handle debug insns.
* reload1.c (reload): Skip debug insns. Replace unassigned
pseudos in debug insns with their equivalences.
(eliminate_regs_in_insn): Skip debug insns.
(emit_input_reload_insns): Skip debug insns at first, adjust
them later.
* tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
(get_indirect_ref_operands): Pass opf_no_vops on.
(get_expr_operands): Likewise. Skip debug stmts.
(parse_ssa_operands): Scan debug insns with opf_no_vops.
gcc/testsuite/ChangeLog:
* gcc.dg/guality/guality.c: New.
* gcc.dg/guality/guality.h: New.
* gcc.dg/guality/guality.exp: New.
* gcc.dg/guality/example.c: New.
* lib/gcc-dg.exp (cleanup-dump): Remove .gk files.
(cleanup-saved-temps): Likewise, .gkd files too.
gcc/cp/ChangeLog:
* cp-tree.h (TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS): New.
* cp-lang.c (cxx_dwarf_name): Pass it.
* error.c (count_non_default_template_args): Take flags as
argument. Adjust all callers. Skip counting of default
arguments if the new flag is given.
ChangeLog:
* Makefile.tpl (BUILD_CONFIG): Default to bootstrap-debug.
* Makefile.in: Rebuilt.
contrib/ChangeLog:
* compare-debug: Look for .gkd files and compare them.
config/ChangeLog:
* bootstrap-debug.mk: Add comments.
* bootstrap-debug-big.mk: New.
* bootstrap-debug-lean.mk: New.
* bootstrap-debug-ckovw.mk: Add comments.
* bootstrap-debug-lib.mk: Drop CFLAGS for stages. Use -g0
for TFLAGS in stage1. Drop -fvar-tracking-assignments-toggle.
From-SVN: r151312
2009-09-02 04:42:21 +02:00
|
|
|
if (gimple_code (stmt) == GIMPLE_NOP
|
|
|
|
|| gimple_code (stmt) == GIMPLE_LABEL
|
|
|
|
|| is_gimple_debug (stmt))
|
2006-02-07 19:31:27 +01:00
|
|
|
continue;
|
|
|
|
|
|
|
|
/* If the statement has volatile operands, then we assume we
|
|
|
|
can not thread through this block. This is overly
|
|
|
|
conservative in some ways. */
|
2014-11-19 18:00:54 +01:00
|
|
|
if (gimple_code (stmt) == GIMPLE_ASM
|
|
|
|
&& gimple_asm_volatile_p (as_a <gasm *> (stmt)))
|
2006-02-07 19:31:27 +01:00
|
|
|
return NULL;
|
|
|
|
|
|
|
|
/* If duplicating this block is going to cause too much code
|
|
|
|
expansion, then do not thread through this block. */
|
|
|
|
stmt_count++;
|
|
|
|
if (stmt_count > max_stmt_count)
|
|
|
|
return NULL;
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
/* If this is not a statement that sets an SSA_NAME to a new
|
2006-02-07 19:31:27 +01:00
|
|
|
value, then do not try to simplify this statement as it will
|
|
|
|
not simplify in any way that is helpful for jump threading. */
|
2008-07-28 16:33:56 +02:00
|
|
|
if ((gimple_code (stmt) != GIMPLE_ASSIGN
|
|
|
|
|| TREE_CODE (gimple_assign_lhs (stmt)) != SSA_NAME)
|
|
|
|
&& (gimple_code (stmt) != GIMPLE_CALL
|
|
|
|
|| gimple_call_lhs (stmt) == NULL_TREE
|
|
|
|
|| TREE_CODE (gimple_call_lhs (stmt)) != SSA_NAME))
|
2014-04-23 20:04:46 +02:00
|
|
|
{
|
|
|
|
/* STMT might still have DEFS and we need to invalidate any known
|
|
|
|
equivalences for them.
|
|
|
|
|
|
|
|
Consider if STMT is a GIMPLE_ASM with one or more outputs that
|
|
|
|
feeds a conditional inside a loop. We might derive an equivalence
|
|
|
|
due to the conditional. */
|
|
|
|
tree op;
|
|
|
|
ssa_op_iter iter;
|
|
|
|
|
|
|
|
if (backedge_seen)
|
2014-04-28 15:38:19 +02:00
|
|
|
FOR_EACH_SSA_TREE_OPERAND (op, stmt, iter, SSA_OP_DEF)
|
2014-06-05 20:25:02 +02:00
|
|
|
invalidate_equivalences (op, stack);
|
2014-04-23 20:04:46 +02:00
|
|
|
|
|
|
|
continue;
|
|
|
|
}
|
2006-02-07 19:31:27 +01:00
|
|
|
|
2008-04-30 19:21:55 +02:00
|
|
|
/* The result of __builtin_object_size depends on all the arguments
|
|
|
|
of a phi node. Temporarily using only one edge produces invalid
|
|
|
|
results. For example
|
|
|
|
|
|
|
|
if (x < 6)
|
|
|
|
goto l;
|
|
|
|
else
|
|
|
|
goto l;
|
|
|
|
|
|
|
|
l:
|
|
|
|
r = PHI <&w[2].a[1](2), &a.a[6](3)>
|
|
|
|
__builtin_object_size (r, 0)
|
|
|
|
|
|
|
|
The result of __builtin_object_size is defined to be the maximum of
|
|
|
|
remaining bytes. If we use only one edge on the phi, the result will
|
2009-01-16 16:01:24 +01:00
|
|
|
change to be the remaining bytes for the corresponding phi argument.
|
|
|
|
|
|
|
|
Similarly for __builtin_constant_p:
|
|
|
|
|
|
|
|
r = PHI <1(2), 2(3)>
|
|
|
|
__builtin_constant_p (r)
|
|
|
|
|
|
|
|
Both PHI arguments are constant, but x ? 1 : 2 is still not
|
|
|
|
constant. */
|
2008-04-30 19:21:55 +02:00
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
if (is_gimple_call (stmt))
|
2008-04-30 19:21:55 +02:00
|
|
|
{
|
2008-07-28 16:33:56 +02:00
|
|
|
tree fndecl = gimple_call_fndecl (stmt);
|
2009-01-16 16:01:24 +01:00
|
|
|
if (fndecl
|
|
|
|
&& (DECL_FUNCTION_CODE (fndecl) == BUILT_IN_OBJECT_SIZE
|
|
|
|
|| DECL_FUNCTION_CODE (fndecl) == BUILT_IN_CONSTANT_P))
|
2013-11-22 19:52:23 +01:00
|
|
|
{
|
|
|
|
if (backedge_seen)
|
|
|
|
{
|
|
|
|
tree lhs = gimple_get_lhs (stmt);
|
2014-06-05 20:25:02 +02:00
|
|
|
invalidate_equivalences (lhs, stack);
|
2013-11-22 19:52:23 +01:00
|
|
|
}
|
|
|
|
continue;
|
|
|
|
}
|
2008-04-30 19:21:55 +02:00
|
|
|
}
|
|
|
|
|
2006-02-07 19:31:27 +01:00
|
|
|
/* At this point we have a statement which assigns an RHS to an
|
|
|
|
SSA_VAR on the LHS. We want to try and simplify this statement
|
|
|
|
to expose more context sensitive equivalences which in turn may
|
2009-11-25 11:55:54 +01:00
|
|
|
allow us to simplify the condition at the end of the loop.
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
Handle simple copy operations as well as implied copies from
|
|
|
|
ASSERT_EXPRs. */
|
2008-07-28 16:33:56 +02:00
|
|
|
if (gimple_assign_single_p (stmt)
|
|
|
|
&& TREE_CODE (gimple_assign_rhs1 (stmt)) == SSA_NAME)
|
|
|
|
cached_lhs = gimple_assign_rhs1 (stmt);
|
|
|
|
else if (gimple_assign_single_p (stmt)
|
|
|
|
&& TREE_CODE (gimple_assign_rhs1 (stmt)) == ASSERT_EXPR)
|
|
|
|
cached_lhs = TREE_OPERAND (gimple_assign_rhs1 (stmt), 0);
|
2006-02-07 19:31:27 +01:00
|
|
|
else
|
|
|
|
{
|
|
|
|
/* A statement that is not a trivial copy or ASSERT_EXPR.
|
|
|
|
We're going to temporarily copy propagate the operands
|
|
|
|
and see if that allows us to simplify this statement. */
|
2008-07-28 16:33:56 +02:00
|
|
|
tree *copy;
|
2006-02-07 19:31:27 +01:00
|
|
|
ssa_op_iter iter;
|
|
|
|
use_operand_p use_p;
|
|
|
|
unsigned int num, i = 0;
|
|
|
|
|
|
|
|
num = NUM_SSA_OPERANDS (stmt, (SSA_OP_USE | SSA_OP_VUSE));
|
|
|
|
copy = XCNEWVEC (tree, num);
|
|
|
|
|
|
|
|
/* Make a copy of the uses & vuses into USES_COPY, then cprop into
|
|
|
|
the operands. */
|
|
|
|
FOR_EACH_SSA_USE_OPERAND (use_p, stmt, iter, SSA_OP_USE | SSA_OP_VUSE)
|
|
|
|
{
|
|
|
|
tree tmp = NULL;
|
|
|
|
tree use = USE_FROM_PTR (use_p);
|
|
|
|
|
|
|
|
copy[i++] = use;
|
|
|
|
if (TREE_CODE (use) == SSA_NAME)
|
|
|
|
tmp = SSA_NAME_VALUE (use);
|
2008-07-08 18:11:06 +02:00
|
|
|
if (tmp)
|
2006-02-07 19:31:27 +01:00
|
|
|
SET_USE (use_p, tmp);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Try to fold/lookup the new expression. Inserting the
|
2008-07-28 16:33:56 +02:00
|
|
|
expression into the hash table is unlikely to help. */
|
|
|
|
if (is_gimple_call (stmt))
|
2014-11-19 18:00:54 +01:00
|
|
|
cached_lhs = fold_call_stmt (as_a <gcall *> (stmt), false);
|
2006-02-07 19:31:27 +01:00
|
|
|
else
|
2008-07-28 16:33:56 +02:00
|
|
|
cached_lhs = fold_assignment_stmt (stmt);
|
2006-02-07 19:31:27 +01:00
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
if (!cached_lhs
|
|
|
|
|| (TREE_CODE (cached_lhs) != SSA_NAME
|
|
|
|
&& !is_gimple_min_invariant (cached_lhs)))
|
|
|
|
cached_lhs = (*simplify) (stmt, stmt);
|
2009-11-25 11:55:54 +01:00
|
|
|
|
2006-02-07 19:31:27 +01:00
|
|
|
/* Restore the statement's original uses/defs. */
|
|
|
|
i = 0;
|
|
|
|
FOR_EACH_SSA_USE_OPERAND (use_p, stmt, iter, SSA_OP_USE | SSA_OP_VUSE)
|
|
|
|
SET_USE (use_p, copy[i++]);
|
|
|
|
|
|
|
|
free (copy);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Record the context sensitive equivalence if we were able
|
2013-11-22 19:52:23 +01:00
|
|
|
to simplify this statement.
|
|
|
|
|
|
|
|
If we have traversed a backedge at some point during threading,
|
|
|
|
then always enter something here. Either a real equivalence,
|
|
|
|
or a NULL_TREE equivalence which is effectively invalidation of
|
|
|
|
prior equivalences. */
|
2006-02-07 19:31:27 +01:00
|
|
|
if (cached_lhs
|
|
|
|
&& (TREE_CODE (cached_lhs) == SSA_NAME
|
|
|
|
|| is_gimple_min_invariant (cached_lhs)))
|
2008-07-28 16:33:56 +02:00
|
|
|
record_temporary_equivalence (gimple_get_lhs (stmt), cached_lhs, stack);
|
2013-11-22 19:52:23 +01:00
|
|
|
else if (backedge_seen)
|
2014-06-05 20:25:02 +02:00
|
|
|
invalidate_equivalences (gimple_get_lhs (stmt), stack);
|
2006-02-07 19:31:27 +01:00
|
|
|
}
|
|
|
|
return stmt;
|
|
|
|
}
|
|
|
|
|
2013-11-22 19:52:23 +01:00
|
|
|
/* Once we have passed a backedge in the CFG when threading, we do not want to
|
|
|
|
utilize edge equivalences for simplification purpose. They are no longer
|
|
|
|
necessarily valid. We use this callback rather than the ones provided by
|
|
|
|
DOM/VRP to achieve that effect. */
|
|
|
|
static tree
|
|
|
|
dummy_simplify (gimple stmt1 ATTRIBUTE_UNUSED, gimple stmt2 ATTRIBUTE_UNUSED)
|
|
|
|
{
|
|
|
|
return NULL_TREE;
|
|
|
|
}
|
|
|
|
|
2006-02-07 19:31:27 +01:00
|
|
|
/* Simplify the control statement at the end of the block E->dest.
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
To avoid allocating memory unnecessarily, a scratch GIMPLE_COND
|
2006-02-07 19:31:27 +01:00
|
|
|
is available to use/clobber in DUMMY_COND.
|
|
|
|
|
|
|
|
Use SIMPLIFY (a pointer to a callback function) to further simplify
|
|
|
|
a condition using pass specific information.
|
|
|
|
|
|
|
|
Return the simplified condition or NULL if simplification could
|
|
|
|
not be performed. */
|
|
|
|
|
|
|
|
static tree
|
|
|
|
simplify_control_stmt_condition (edge e,
|
2008-07-28 16:33:56 +02:00
|
|
|
gimple stmt,
|
2014-11-19 18:00:54 +01:00
|
|
|
gcond *dummy_cond,
|
2008-07-28 16:33:56 +02:00
|
|
|
tree (*simplify) (gimple, gimple),
|
2006-02-07 19:31:27 +01:00
|
|
|
bool handle_dominating_asserts)
|
|
|
|
{
|
|
|
|
tree cond, cached_lhs;
|
2008-07-28 16:33:56 +02:00
|
|
|
enum gimple_code code = gimple_code (stmt);
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
/* For comparisons, we have to update both operands, then try
|
|
|
|
to simplify the comparison. */
|
2008-07-28 16:33:56 +02:00
|
|
|
if (code == GIMPLE_COND)
|
2006-02-07 19:31:27 +01:00
|
|
|
{
|
|
|
|
tree op0, op1;
|
|
|
|
enum tree_code cond_code;
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
op0 = gimple_cond_lhs (stmt);
|
|
|
|
op1 = gimple_cond_rhs (stmt);
|
|
|
|
cond_code = gimple_cond_code (stmt);
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
/* Get the current value of both operands. */
|
|
|
|
if (TREE_CODE (op0) == SSA_NAME)
|
|
|
|
{
|
2014-06-30 16:08:50 +02:00
|
|
|
for (int i = 0; i < 2; i++)
|
|
|
|
{
|
|
|
|
if (TREE_CODE (op0) == SSA_NAME
|
|
|
|
&& SSA_NAME_VALUE (op0))
|
|
|
|
op0 = SSA_NAME_VALUE (op0);
|
|
|
|
else
|
|
|
|
break;
|
|
|
|
}
|
2006-02-07 19:31:27 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (TREE_CODE (op1) == SSA_NAME)
|
|
|
|
{
|
2014-06-30 16:08:50 +02:00
|
|
|
for (int i = 0; i < 2; i++)
|
|
|
|
{
|
|
|
|
if (TREE_CODE (op1) == SSA_NAME
|
|
|
|
&& SSA_NAME_VALUE (op1))
|
|
|
|
op1 = SSA_NAME_VALUE (op1);
|
|
|
|
else
|
|
|
|
break;
|
|
|
|
}
|
2006-02-07 19:31:27 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (handle_dominating_asserts)
|
|
|
|
{
|
|
|
|
/* Now see if the operand was consumed by an ASSERT_EXPR
|
|
|
|
which dominates E->src. If so, we want to replace the
|
|
|
|
operand with the LHS of the ASSERT_EXPR. */
|
|
|
|
if (TREE_CODE (op0) == SSA_NAME)
|
|
|
|
op0 = lhs_of_dominating_assert (op0, e->src, stmt);
|
|
|
|
|
|
|
|
if (TREE_CODE (op1) == SSA_NAME)
|
|
|
|
op1 = lhs_of_dominating_assert (op1, e->src, stmt);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* We may need to canonicalize the comparison. For
|
|
|
|
example, op0 might be a constant while op1 is an
|
|
|
|
SSA_NAME. Failure to canonicalize will cause us to
|
|
|
|
miss threading opportunities. */
|
2008-07-28 16:33:56 +02:00
|
|
|
if (tree_swap_operands_p (op0, op1, false))
|
2006-02-07 19:31:27 +01:00
|
|
|
{
|
|
|
|
tree tmp;
|
2008-07-28 16:33:56 +02:00
|
|
|
cond_code = swap_tree_comparison (cond_code);
|
2006-02-07 19:31:27 +01:00
|
|
|
tmp = op0;
|
|
|
|
op0 = op1;
|
|
|
|
op1 = tmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Stuff the operator and operands into our dummy conditional
|
|
|
|
expression. */
|
2008-07-28 16:33:56 +02:00
|
|
|
gimple_cond_set_code (dummy_cond, cond_code);
|
|
|
|
gimple_cond_set_lhs (dummy_cond, op0);
|
|
|
|
gimple_cond_set_rhs (dummy_cond, op1);
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
/* We absolutely do not care about any type conversions
|
|
|
|
we only care about a zero/nonzero value. */
|
2007-02-13 23:34:45 +01:00
|
|
|
fold_defer_overflow_warnings ();
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
cached_lhs = fold_binary (cond_code, boolean_type_node, op0, op1);
|
|
|
|
if (cached_lhs)
|
2008-08-18 18:23:47 +02:00
|
|
|
while (CONVERT_EXPR_P (cached_lhs))
|
2008-07-28 16:33:56 +02:00
|
|
|
cached_lhs = TREE_OPERAND (cached_lhs, 0);
|
2007-02-13 23:34:45 +01:00
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
fold_undefer_overflow_warnings ((cached_lhs
|
|
|
|
&& is_gimple_min_invariant (cached_lhs)),
|
2007-02-13 23:34:45 +01:00
|
|
|
stmt, WARN_STRICT_OVERFLOW_CONDITIONAL);
|
|
|
|
|
2006-02-07 19:31:27 +01:00
|
|
|
/* If we have not simplified the condition down to an invariant,
|
|
|
|
then use the pass specific callback to simplify the condition. */
|
2008-07-28 16:33:56 +02:00
|
|
|
if (!cached_lhs
|
|
|
|
|| !is_gimple_min_invariant (cached_lhs))
|
|
|
|
cached_lhs = (*simplify) (dummy_cond, stmt);
|
|
|
|
|
|
|
|
return cached_lhs;
|
2006-02-07 19:31:27 +01:00
|
|
|
}
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
if (code == GIMPLE_SWITCH)
|
2014-11-19 18:00:54 +01:00
|
|
|
cond = gimple_switch_index (as_a <gswitch *> (stmt));
|
2008-07-28 16:33:56 +02:00
|
|
|
else if (code == GIMPLE_GOTO)
|
|
|
|
cond = gimple_goto_dest (stmt);
|
|
|
|
else
|
|
|
|
gcc_unreachable ();
|
|
|
|
|
2006-02-07 19:31:27 +01:00
|
|
|
/* We can have conditionals which just test the state of a variable
|
|
|
|
rather than use a relational operator. These are simpler to handle. */
|
2008-07-28 16:33:56 +02:00
|
|
|
if (TREE_CODE (cond) == SSA_NAME)
|
2006-02-07 19:31:27 +01:00
|
|
|
{
|
|
|
|
cached_lhs = cond;
|
|
|
|
|
2008-07-28 16:33:56 +02:00
|
|
|
/* Get the variable's current value from the equivalence chains.
|
2006-02-10 20:22:58 +01:00
|
|
|
|
|
|
|
It is possible to get loops in the SSA_NAME_VALUE chains
|
|
|
|
(consider threading the backedge of a loop where we have
|
|
|
|
a loop invariant SSA_NAME used in the condition. */
|
2014-06-30 16:08:50 +02:00
|
|
|
if (cached_lhs)
|
|
|
|
{
|
|
|
|
for (int i = 0; i < 2; i++)
|
|
|
|
{
|
|
|
|
if (TREE_CODE (cached_lhs) == SSA_NAME
|
|
|
|
&& SSA_NAME_VALUE (cached_lhs))
|
|
|
|
cached_lhs = SSA_NAME_VALUE (cached_lhs);
|
|
|
|
else
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
/* If we're dominated by a suitable ASSERT_EXPR, then
|
|
|
|
update CACHED_LHS appropriately. */
|
|
|
|
if (handle_dominating_asserts && TREE_CODE (cached_lhs) == SSA_NAME)
|
|
|
|
cached_lhs = lhs_of_dominating_assert (cached_lhs, e->src, stmt);
|
|
|
|
|
|
|
|
/* If we haven't simplified to an invariant yet, then use the
|
|
|
|
pass specific callback to try and simplify it further. */
|
|
|
|
if (cached_lhs && ! is_gimple_min_invariant (cached_lhs))
|
2007-03-08 18:36:05 +01:00
|
|
|
cached_lhs = (*simplify) (stmt, stmt);
|
2006-02-07 19:31:27 +01:00
|
|
|
}
|
|
|
|
else
|
|
|
|
cached_lhs = NULL;
|
|
|
|
|
|
|
|
return cached_lhs;
|
|
|
|
}
|
|
|
|
|
2012-11-04 19:44:13 +01:00
|
|
|
/* Copy debug stmts from DEST's chain of single predecessors up to
|
|
|
|
SRC, so that we don't lose the bindings as PHI nodes are introduced
|
|
|
|
when DEST gains new predecessors. */
|
2012-11-07 08:50:01 +01:00
|
|
|
void
|
2012-11-04 19:44:13 +01:00
|
|
|
propagate_threaded_block_debug_into (basic_block dest, basic_block src)
|
|
|
|
{
|
|
|
|
if (!MAY_HAVE_DEBUG_STMTS)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (!single_pred_p (dest))
|
|
|
|
return;
|
|
|
|
|
|
|
|
gcc_checking_assert (dest != src);
|
|
|
|
|
|
|
|
gimple_stmt_iterator gsi = gsi_after_labels (dest);
|
2012-11-06 18:58:52 +01:00
|
|
|
int i = 0;
|
|
|
|
const int alloc_count = 16; // ?? Should this be a PARAM?
|
2012-11-04 19:44:13 +01:00
|
|
|
|
2012-11-06 18:58:52 +01:00
|
|
|
/* Estimate the number of debug vars overridden in the beginning of
|
|
|
|
DEST, to tell how many we're going to need to begin with. */
|
2012-11-04 19:44:13 +01:00
|
|
|
for (gimple_stmt_iterator si = gsi;
|
2012-11-06 18:58:52 +01:00
|
|
|
i * 4 <= alloc_count * 3 && !gsi_end_p (si); gsi_next (&si))
|
|
|
|
{
|
|
|
|
gimple stmt = gsi_stmt (si);
|
|
|
|
if (!is_gimple_debug (stmt))
|
|
|
|
break;
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
2013-12-20 21:34:33 +01:00
|
|
|
auto_vec<tree, alloc_count> fewvars;
|
add a hash_set based on hash_table
This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.
gcc/ada/
* gcc-interface/trans.c: Use hash_set instead of pointer_set.
gcc/c-family/
* c-gimplify.c: Use hash_set instead of pointer_set.
gcc/c/
* c-decl.c: Use hash_set instead of pointer_set.
gcc/cp/
* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
instead of pointer_set.
gcc/fortran/
* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.
gcc/
* hash-set.h: new File.
* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
varpool.c: Use hash_set instead of pointer_set.
gcc/lto/
* lto-partition.c, lto-partition.h: Use hash_set instead of
pointer_set.
From-SVN: r213516
2014-08-02 13:23:49 +02:00
|
|
|
hash_set<tree> *vars = NULL;
|
2012-11-06 18:58:52 +01:00
|
|
|
|
|
|
|
/* If we're already starting with 3/4 of alloc_count, go for a
|
add a hash_set based on hash_table
This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.
gcc/ada/
* gcc-interface/trans.c: Use hash_set instead of pointer_set.
gcc/c-family/
* c-gimplify.c: Use hash_set instead of pointer_set.
gcc/c/
* c-decl.c: Use hash_set instead of pointer_set.
gcc/cp/
* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
instead of pointer_set.
gcc/fortran/
* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.
gcc/
* hash-set.h: new File.
* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
varpool.c: Use hash_set instead of pointer_set.
gcc/lto/
* lto-partition.c, lto-partition.h: Use hash_set instead of
pointer_set.
From-SVN: r213516
2014-08-02 13:23:49 +02:00
|
|
|
hash_set, otherwise start with an unordered stack-allocated
|
2012-11-06 18:58:52 +01:00
|
|
|
VEC. */
|
|
|
|
if (i * 4 > alloc_count * 3)
|
add a hash_set based on hash_table
This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.
gcc/ada/
* gcc-interface/trans.c: Use hash_set instead of pointer_set.
gcc/c-family/
* c-gimplify.c: Use hash_set instead of pointer_set.
gcc/c/
* c-decl.c: Use hash_set instead of pointer_set.
gcc/cp/
* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
instead of pointer_set.
gcc/fortran/
* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.
gcc/
* hash-set.h: new File.
* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
varpool.c: Use hash_set instead of pointer_set.
gcc/lto/
* lto-partition.c, lto-partition.h: Use hash_set instead of
pointer_set.
From-SVN: r213516
2014-08-02 13:23:49 +02:00
|
|
|
vars = new hash_set<tree>;
|
2012-11-06 18:58:52 +01:00
|
|
|
|
|
|
|
/* Now go through the initial debug stmts in DEST again, this time
|
|
|
|
actually inserting in VARS or FEWVARS. Don't bother checking for
|
|
|
|
duplicates in FEWVARS. */
|
|
|
|
for (gimple_stmt_iterator si = gsi; !gsi_end_p (si); gsi_next (&si))
|
2012-11-04 19:44:13 +01:00
|
|
|
{
|
|
|
|
gimple stmt = gsi_stmt (si);
|
|
|
|
if (!is_gimple_debug (stmt))
|
|
|
|
break;
|
|
|
|
|
|
|
|
tree var;
|
|
|
|
|
|
|
|
if (gimple_debug_bind_p (stmt))
|
|
|
|
var = gimple_debug_bind_get_var (stmt);
|
|
|
|
else if (gimple_debug_source_bind_p (stmt))
|
|
|
|
var = gimple_debug_source_bind_get_var (stmt);
|
|
|
|
else
|
|
|
|
gcc_unreachable ();
|
|
|
|
|
2012-11-06 18:58:52 +01:00
|
|
|
if (vars)
|
add a hash_set based on hash_table
This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.
gcc/ada/
* gcc-interface/trans.c: Use hash_set instead of pointer_set.
gcc/c-family/
* c-gimplify.c: Use hash_set instead of pointer_set.
gcc/c/
* c-decl.c: Use hash_set instead of pointer_set.
gcc/cp/
* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
instead of pointer_set.
gcc/fortran/
* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.
gcc/
* hash-set.h: new File.
* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
varpool.c: Use hash_set instead of pointer_set.
gcc/lto/
* lto-partition.c, lto-partition.h: Use hash_set instead of
pointer_set.
From-SVN: r213516
2014-08-02 13:23:49 +02:00
|
|
|
vars->add (var);
|
2012-11-06 18:58:52 +01:00
|
|
|
else
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
fewvars.quick_push (var);
|
2012-11-04 19:44:13 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
basic_block bb = dest;
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
bb = single_pred (bb);
|
|
|
|
for (gimple_stmt_iterator si = gsi_last_bb (bb);
|
|
|
|
!gsi_end_p (si); gsi_prev (&si))
|
|
|
|
{
|
|
|
|
gimple stmt = gsi_stmt (si);
|
|
|
|
if (!is_gimple_debug (stmt))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
tree var;
|
|
|
|
|
|
|
|
if (gimple_debug_bind_p (stmt))
|
|
|
|
var = gimple_debug_bind_get_var (stmt);
|
|
|
|
else if (gimple_debug_source_bind_p (stmt))
|
|
|
|
var = gimple_debug_source_bind_get_var (stmt);
|
|
|
|
else
|
|
|
|
gcc_unreachable ();
|
|
|
|
|
|
|
|
/* Discard debug bind overlaps. ??? Unlike stmts from src,
|
|
|
|
copied into a new block that will precede BB, debug bind
|
|
|
|
stmts in bypassed BBs may actually be discarded if
|
|
|
|
they're overwritten by subsequent debug bind stmts, which
|
|
|
|
might be a problem once we introduce stmt frontier notes
|
|
|
|
or somesuch. Adding `&& bb == src' to the condition
|
|
|
|
below will preserve all potentially relevant debug
|
|
|
|
notes. */
|
add a hash_set based on hash_table
This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.
gcc/ada/
* gcc-interface/trans.c: Use hash_set instead of pointer_set.
gcc/c-family/
* c-gimplify.c: Use hash_set instead of pointer_set.
gcc/c/
* c-decl.c: Use hash_set instead of pointer_set.
gcc/cp/
* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
instead of pointer_set.
gcc/fortran/
* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.
gcc/
* hash-set.h: new File.
* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
varpool.c: Use hash_set instead of pointer_set.
gcc/lto/
* lto-partition.c, lto-partition.h: Use hash_set instead of
pointer_set.
From-SVN: r213516
2014-08-02 13:23:49 +02:00
|
|
|
if (vars && vars->add (var))
|
2012-11-04 19:44:13 +01:00
|
|
|
continue;
|
2012-11-06 18:58:52 +01:00
|
|
|
else if (!vars)
|
|
|
|
{
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
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int i = fewvars.length ();
|
2012-11-06 18:58:52 +01:00
|
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while (i--)
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This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
if (fewvars[i] == var)
|
2012-11-06 18:58:52 +01:00
|
|
|
break;
|
|
|
|
if (i >= 0)
|
|
|
|
continue;
|
|
|
|
|
2012-12-13 14:28:54 +01:00
|
|
|
if (fewvars.length () < (unsigned) alloc_count)
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
fewvars.quick_push (var);
|
2012-11-06 18:58:52 +01:00
|
|
|
else
|
|
|
|
{
|
add a hash_set based on hash_table
This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.
gcc/ada/
* gcc-interface/trans.c: Use hash_set instead of pointer_set.
gcc/c-family/
* c-gimplify.c: Use hash_set instead of pointer_set.
gcc/c/
* c-decl.c: Use hash_set instead of pointer_set.
gcc/cp/
* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
instead of pointer_set.
gcc/fortran/
* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.
gcc/
* hash-set.h: new File.
* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
varpool.c: Use hash_set instead of pointer_set.
gcc/lto/
* lto-partition.c, lto-partition.h: Use hash_set instead of
pointer_set.
From-SVN: r213516
2014-08-02 13:23:49 +02:00
|
|
|
vars = new hash_set<tree>;
|
2012-11-06 18:58:52 +01:00
|
|
|
for (i = 0; i < alloc_count; i++)
|
add a hash_set based on hash_table
This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.
gcc/ada/
* gcc-interface/trans.c: Use hash_set instead of pointer_set.
gcc/c-family/
* c-gimplify.c: Use hash_set instead of pointer_set.
gcc/c/
* c-decl.c: Use hash_set instead of pointer_set.
gcc/cp/
* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
instead of pointer_set.
gcc/fortran/
* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.
gcc/
* hash-set.h: new File.
* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
varpool.c: Use hash_set instead of pointer_set.
gcc/lto/
* lto-partition.c, lto-partition.h: Use hash_set instead of
pointer_set.
From-SVN: r213516
2014-08-02 13:23:49 +02:00
|
|
|
vars->add (fewvars[i]);
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
fewvars.release ();
|
add a hash_set based on hash_table
This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.
gcc/ada/
* gcc-interface/trans.c: Use hash_set instead of pointer_set.
gcc/c-family/
* c-gimplify.c: Use hash_set instead of pointer_set.
gcc/c/
* c-decl.c: Use hash_set instead of pointer_set.
gcc/cp/
* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
instead of pointer_set.
gcc/fortran/
* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.
gcc/
* hash-set.h: new File.
* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
varpool.c: Use hash_set instead of pointer_set.
gcc/lto/
* lto-partition.c, lto-partition.h: Use hash_set instead of
pointer_set.
From-SVN: r213516
2014-08-02 13:23:49 +02:00
|
|
|
vars->add (var);
|
2012-11-06 18:58:52 +01:00
|
|
|
}
|
|
|
|
}
|
2012-11-04 19:44:13 +01:00
|
|
|
|
|
|
|
stmt = gimple_copy (stmt);
|
|
|
|
/* ??? Should we drop the location of the copy to denote
|
|
|
|
they're artificial bindings? */
|
|
|
|
gsi_insert_before (&gsi, stmt, GSI_NEW_STMT);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
while (bb != src && single_pred_p (bb));
|
|
|
|
|
2012-11-06 18:58:52 +01:00
|
|
|
if (vars)
|
add a hash_set based on hash_table
This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.
gcc/ada/
* gcc-interface/trans.c: Use hash_set instead of pointer_set.
gcc/c-family/
* c-gimplify.c: Use hash_set instead of pointer_set.
gcc/c/
* c-decl.c: Use hash_set instead of pointer_set.
gcc/cp/
* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
instead of pointer_set.
gcc/fortran/
* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.
gcc/
* hash-set.h: new File.
* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
varpool.c: Use hash_set instead of pointer_set.
gcc/lto/
* lto-partition.c, lto-partition.h: Use hash_set instead of
pointer_set.
From-SVN: r213516
2014-08-02 13:23:49 +02:00
|
|
|
delete vars;
|
This patch rewrites the old VEC macro-based interface into a new one based on the template class 'vec'.
This patch rewrites the old VEC macro-based interface into a new one
based on the template class 'vec'. The user-visible changes are
described in http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec.
I have tested the patch pretty extensively:
- Regular bootstraps on x86_64, ppc, ia64, sparc and hppa.
- Bootstraps with --enable-checking=release
- Bootstraps with --enable-checking=gc,gcac
- Basic builds on all targets (using contrib/config-list.mk).
We no longer access the vectors via VEC_* macros. The pattern is
"VEC_operation (T, A, V, args)" becomes "V.operation (args)".
The only thing I could not do is create proper ctors and dtors for the
vec class. Since these vectors are stored in unions, we
have to keep them as PODs (C++03 does not allow non-PODs in unions).
This means that creation and destruction must be explicit. There is a
new method vec<type, allocation, layout>::create() and another vec<type,
allocation, layout>::destroy() to allocate the internal vector.
For vectors that must be pointers, there is a family of free functions
that implement the operations that need to tolerate NULL vectors.
These functions all start with the prefix 'vec_safe_'. See the wiki
page for details.
The gengtype change removes the special handling for VEC() that used
to exist in gengtype. Additionally, it allows gengtype to recognize
templates of more than one argument and introduces the concept of an
undefined type (useful for template arguments that may or may not be
types).
When a TYPE_UNDEFINED is reached, gengtype will ignore it if it
happens inside a type marked with GTY((user)). Otherwise, it will
emit an error.
Finally, gengtype rejects root types marked GTY((user)) that are not
first class pointers.
2012-11-16 Diego Novillo <dnovillo@google.com>
VEC API overhaul (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* vec.c (register_overhead): Convert it into
member function of vec_prefix.
(release_overhead): Likewise.
(calculate_allocation): Likewise.
(vec_heap_free): Remove.
(vec_gc_o_reserve_1): Remove.
(vec_heap_o_reserve_1): Remove.
(vec_stack_o_reserve_1): Remove.
(vec_stack_o_reserve_exact): Remove.
(register_stack_vec): New.
(stack_vec_register_index): New.
(unregister_stack_vec): New.
(vec_assert_fail): Remove.
* vec.h: Conditionally include ggc.h. Document conditional
hackery.
Update top-level documentation.
(ALONE_VEC_CHECK_INFO): Remove.
(VEC_CHECK_INFO): Remove.
(ALONE_VEC_CHECK_DECL): Remove.
(VEC_CHECK_DECL): Remove.
(ALONE_VEC_CHECK_PASS): Remove.
(VEC_CHECK_PASS): Remove.
(VEC_ASSERT): Remove.
(vec_prefix): Add friends va_gc, va_gc_atomic, va_heap and
va_stack.
Mark fields alloc_ and num_ as protected.
(struct vec_t): Remove. Remove all function members.
(struct vl_embed): Declare.
(struct vl_ptr): Declare.
(free): Remove.
(reserve_exact): Remove.
(reserve): Remove.
(safe_splice): Remove.
(safe_push): Remove.
(safe_grow): Remove.
(safe_grow_cleared): Remove.
(safe_insert): Remove.
(DEF_VEC_I): Remove.
(DEF_VEC_ALLOC_I): Remove.
(DEF_VEC_P): Remove.
(DEF_VEC_ALLOC_P): Remove.
(DEF_VEC_O): Remove.
(DEF_VEC_ALLOC_O): Remove.
(DEF_VEC_ALLOC_P_STACK): Remove.
(DEF_VEC_ALLOC_O_STACK): Remove.
(DEF_VEC_ALLOC_I_STACK): Remove.
(DEF_VEC_A): Remove.
(DEF_VEC_ALLOC_A): Remove.
(vec_stack_p_reserve_exact_1): Remove.
(vec_stack_o_reserve): Remove.
(vec_stack_o_reserve_exact): Remove.
(VEC_length): Remove.
(VEC_empty): Remove.
(VEC_address): Remove.
(vec_address): Remove.
(VEC_last): Remove.
(VEC_index): Remove.
(VEC_iterate): Remove.
(VEC_embedded_size): Remove.
(VEC_embedded_init): Remove.
(VEC_free): Remove.
(VEC_copy): Remove.
(VEC_space): Remove.
(VEC_reserve): Remove.
(VEC_reserve_exact): Remove.
(VEC_splice): Remove.
(VEC_safe_splice): Remove.
(VEC_quick_push): Remove.
(VEC_safe_push): Remove.
(VEC_pop): Remove.
(VEC_truncate): Remove.
(VEC_safe_grow): Remove.
(VEC_replace): Remove.
(VEC_quick_insert): Remove.
(VEC_safe_insert): Remove.
(VEC_ordered_remove): Remove.
(VEC_unordered_remove): Remove.
(VEC_block_remove): Remove.
(VEC_lower_bound): Remove.
(VEC_alloc): Remove.
(VEC_qsort): Remove.
(va_heap): Declare.
(va_heap::default_layout): New typedef to vl_ptr.
(va_heap::reserve): New.
(va_heap::release): New.
(va_gc): Declare.
(va_gc::default_layout): New typedef to vl_embed.
(va_gc::reserve): New.
(va_gc::release): New.
(va_gc_atomic): Declare. Inherit from va_gc.
(va_stack): Declare.
(va_stack::default_layout): New typedef to vl_ptr.
(va_stack::alloc): New.
(va_stack::reserve): New.
(va_stack::release): New.
(register_stack_vec): Declare.
(stack_vec_register_index): Declare.
(unregister_stack_vec): Declare.
(vec<T, A = va_heap, L = typename A::default_layout>): Declare
empty vec template.
(vec<T, A, vl_embed>): Partial specialization for embedded
layout.
(vec<T, A, vl_embed>::allocated): New.
(vec<T, A, vl_embed>::length): New.
(vec<T, A, vl_embed>::is_empty): New.
(vec<T, A, vl_embed>::address): New.
(vec<T, A, vl_embed>::operator[]): New.
(vec<T, A, vl_embed>::last New.
(vec<T, A, vl_embed>::space): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::iterate): New.
(vec<T, A, vl_embed>::copy): New.
(vec<T, A, vl_embed>::splice): New.
(vec<T, A, vl_embed>::quick_push New.
(vec<T, A, vl_embed>::pop New.
(vec<T, A, vl_embed>::truncate): New.
(vec<T, A, vl_embed>::quick_insert): New.
(vec<T, A, vl_embed>::ordered_remove): New.
(vec<T, A, vl_embed>::unordered_remove): New.
(vec<T, A, vl_embed>::block_remove): New.
(vec<T, A, vl_embed>::qsort): New.
(vec<T, A, vl_embed>::lower_bound): New.
(vec<T, A, vl_embed>::embedded_size): New.
(vec<T, A, vl_embed>::embedded_init): New.
(vec<T, A, vl_embed>::quick_grow): New.
(vec<T, A, vl_embed>::quick_grow_cleared): New.
(vec_safe_space): New.
(vec_safe_length): New.
(vec_safe_address): New.
(vec_safe_is_empty): New.
(vec_safe_reserve): New.
(vec_safe_reserve_exact): New.
(vec_alloc): New.
(vec_free): New.
(vec_safe_grow): New.
(vec_safe_grow_cleared): New.
(vec_safe_iterate): New.
(vec_safe_push): New.
(vec_safe_insert): New.
(vec_safe_truncate): New.
(vec_safe_copy): New.
(vec_safe_splice): New.
(vec<T, A, vl_ptr>): New partial specialization for the space
efficient layout.
(vec<T, A, vl_ptr>::exists): New.
(vec<T, A, vl_ptr>::is_empty): New.
(vec<T, A, vl_ptr>::length): New.
(vec<T, A, vl_ptr>::address): New.
(vec<T, A, vl_ptr>::operator[]): New.
(vec<T, A, vl_ptr>::operator!=): New.
(vec<T, A, vl_ptr>::operator==): New.
(vec<T, A, vl_ptr>::last): New.
(vec<T, A, vl_ptr>::space): New.
(vec<T, A, vl_ptr>::iterate): New.
(vec<T, A, vl_ptr>::copy): New.
(vec<T, A, vl_ptr>::reserve): New.
(vec<T, A, vl_ptr>::reserve_exact): New.
(vec<T, A, vl_ptr>::splice): New.
(vec<T, A, vl_ptr>::safe_splice): New.
(vec<T, A, vl_ptr>::quick_push): New.
(vec<T, A, vl_ptr>::safe_push): New.
(vec<T, A, vl_ptr>::pop): New.
(vec<T, A, vl_ptr>::truncate): New.
(vec<T, A, vl_ptr>::safe_grow): New.
(vec<T, A, vl_ptr>::safe_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_grow): New.
(vec<T, A, vl_ptr>::quick_grow_cleared): New.
(vec<T, A, vl_ptr>::quick_insert): New.
(vec<T, A, vl_ptr>::safe_insert): New.
(vec<T, A, vl_ptr>::ordered_remove): New.
(vec<T, A, vl_ptr>::unordered_remove): New.
(vec<T, A, vl_ptr>::block_remove): New.
(vec<T, A, vl_ptr>::qsort): New.
(vec<T, A, vl_ptr>::lower_bound): New.
(vec_stack_alloc): Define.
(FOR_EACH_VEC_SAFE_ELT): Define.
* vecir.h: Remove. Update all users.
* vecprim.h: Remove. Update all users.
Move uchar to coretypes.h.
* Makefile.in (VEC_H): Add $(GGC_H).
Remove vecir.h and vecprim.h dependencies everywhere.
2012-11-16 Diego Novillo <dnovillo@google.com>
* gengtype-lex.l (VEC): Remove.
Add characters in the set [\!\>\.-].
* gengtype-parse.c (token_names): Remove "VEC".
(require_template_declaration): Remove handling of VEC_TOKEN.
(type): Likewise.
Call create_user_defined_type when parsing GTY((user)).
* gengtype-state.c (type_lineloc): handle TYPE_UNDEFINED.
(write_state_undefined_type): New.
(write_state_type): Call write_state_undefined_type for
TYPE_UNDEFINED.
(read_state_type): Call read_state_undefined_type for
TYPE_UNDEFINED.
* gengtype.c (dbgprint_count_type_at): Handle TYPE_UNDEFINED.
(create_user_defined_type): Make extern.
(type_for_name): Factor out of resolve_typedef.
(create_undefined_type): New
(resolve_typedef): Call it when we cannot find a previous
typedef and the type is not a template.
(find_structure): Accept TYPE_UNDEFINED.
(set_gc_used_type): Add argument ALLOWED_UNDEFINED_TYPES,
default to false.
Emit an error for TYPE_UNDEFINED unless LEVEL is GC_UNUSED or
ALLOWED_UNDEFINED_TYPES is set.
Set ALLOWED_UNDEFINED_TYPES to true for TYPE_USER_STRUCT.
(filter_type_name): Accept templates with more than one
argument.
(output_mangled_typename): Handle TYPE_UNDEFINED
(walk_type): Likewise.
(write_types_process_field): Likewise.
(write_func_for_structure): If CHAIN_NEXT is set, ORIG_S
should not be a user-defined type.
(write_types_local_user_process_field): Handle TYPE_ARRAY,
TYPE_NONE and TYPE_UNDEFINED.
(write_types_local_process_field): Likewise.
(contains_scalar_p): Return 0 for TYPE_USER_STRUCT.
(write_root): Reject user-defined types that are not pointers.
Handle TYPE_NONE, TYPE_UNDEFINED, TYPE_UNION, TYPE_LANG_STRUCT
and TYPE_PARAM_STRUCT.
(output_typename): Handle TYPE_NONE, TYPE_UNDEFINED, and
TYPE_ARRAY.
(dump_typekind): Handle TYPE_UNDEFINED.
* gengtype.h (enum typekind): Add TYPE_UNDEFINED.
(create_user_defined_type): Declare.
(enum gty_token): Remove VEC_TOKEN.
2012-11-16 Diego Novillo <dnovillo@google.com>
Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)
* coretypes.h (uchar): Define.
* alias.c: Use new vec API in vec.h.
* asan.c: Likewise.
* attribs.c: Likewise.
* basic-block.h: Likewise.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.c: Likewise.
* cgraph.h: Likewise.
* cgraphclones.c: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* compare-elim.c: Likewise.
* coverage.c: Likewise.
* cprop.c: Likewise.
* data-streamer.h: Likewise.
* dbxout.c: Likewise.
* dce.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* domwalk.h: Likewise.
* dse.c: Likewise.
* dwarf2cfi.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* emit-rtl.c: Likewise.
* except.c: Likewise.
* except.h: Likewise.
* expr.c: Likewise.
* expr.h: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* genextract.c: Likewise.
* genopinit.c: Likewise
* ggc-common.c: Likewise.
* ggc.h: Likewise.
* gimple-low.c: Likewise.
* gimple-ssa-strength-reduction.c: Likewise.
* gimple-streamer-in.c: Likewise.
* gimple.c: Likewise.
* gimple.h: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* graphds.c: Likewise.
* graphds.h: Likewise.
* graphite-blocking.c: Likewise.
* graphite-clast-to-gimple.c: Likewise.
* graphite-dependences.c: Likewise.
* graphite-interchange.c: Likewise.
* graphite-optimize-isl.c: Likewise.
* graphite-poly.c: Likewise.
* graphite-poly.h: Likewise.
* graphite-scop-detection.c: Likewise.
* graphite-scop-detection.h: Likewise.
* graphite-sese-to-poly.c: Likewise.
* graphite.c: Likewise.
* godump.c: Likewise.
* haifa-sched.c: Likewise.
* hw-doloop.c: Likewise.
* hw-doloop.h: Likewise.
* ifcvt.c: Likewise.
* insn-addr.h: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline-analysis.c: Likewise.
* ipa-inline-transform.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-inline.h: Likewise.
* ipa-prop.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-ref-inline.h: Likewise.
* ipa-ref.c: Likewise.
* ipa-ref.h: Likewise.
* ipa-reference.c: Likewise.
* ipa-split.c: Likewise.
* ipa-utils.c: Likewise.
* ipa-utils.h: Likewise.
* ipa.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-emit.c: Likewise.
* ira-int.h: Likewise.
* ira.c: Likewise.
* loop-invariant.c: Likewise.
* loop-unroll.c: Likewise.
* lower-subreg.c: Likewise.
* lra-lives.c: Likewise.
* lra.c: Likewise.
* lto-cgraph.c: Likewise.
* lto-section-out.c: Likewise.
* lto-streamer-in.c: Likewise.
* lto-streamer-out.c: Likewise.
* lto-streamer.h: Likewise.
* lto-symtab.c: Likewise.
* mcf.c: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* opts-common.c: Likewise.
* opts-global.c: Likewise.
* opts.c: Likewise.
* opts.h: Likewise.
* passes.c: Likewise.
* predict.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* profile.h: Likewise.
* read-rtl.c: Likewise.
* ree.c: Likewise.
* reg-stack.c: Likewise.
* regrename.c: Likewise.
* regrename.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* rtl.h: Likewise.
* sched-deps.c: Likewise.
* sched-int.h: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* sel-sched-ir.h: Likewise.
* sel-sched.c: Likewise.
* sese.c: Likewise.
* sese.h: Likewise.
* statistics.h: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* tlink.c: Likewise.
* toplev.c: Likewise.
* trans-mem.c: Likewise.
* tree-browser.c: Likewise.
* tree-call-cdce.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-chrec.c: Likewise.
* tree-chrec.h: Likewise.
* tree-complex.c: Likewise.
* tree-data-ref.c: Likewise.
* tree-data-ref.h: Likewise.
* tree-dfa.c: Likewise.
* tree-diagnostic.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-emutls.c: Likewise.
* tree-flow.h: Likewise.
* tree-if-conv.c: Likewise.
* tree-inline.c: Likewise.
* tree-inline.h: Likewise.
* tree-into-ssa.c: Likewise.
* tree-iterator.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-mudflap.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-parloops.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-predcom.c: Likewise.
* tree-pretty-print.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-address.c: Likewise.
* tree-ssa-alias.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivcanon.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-manip.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-math-opts.c: Likewise.
* tree-ssa-operands.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-pre.c: Likewise.
* tree-ssa-propagate.c: Likewise.
* tree-ssa-reassoc.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-sccvn.h: Likewise.
* tree-ssa-strlen.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-tail-merge.c: Likewise.
* tree-ssa-threadedge.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa-uncprop.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-ssanames.c: Likewise.
* tree-stdarg.c: Likewise.
* tree-streamer-in.c: Likewise.
* tree-streamer-out.c: Likewise.
* tree-streamer.c: Likewise.
* tree-streamer.h: Likewise.
* tree-switch-conversion.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-generic.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-slp.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vectorizer.h: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.h: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
* var-tracking.c: Likewise.
* varasm.c: Likewise.
* varpool.c: Likewise.
* vmsdbgout.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/c6x/c6x.c: Likewise.
* config/darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mips/mips.c: Likewise.
* config/pa/pa.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/spu/spu-c.c: Likewise.
* config/vms/vms.c: Likewise.
* config/vxworks.c: Likewise.
* config/epiphany/resolve-sw-modes.c: Likewise.
From-SVN: r193595
2012-11-18 03:54:30 +01:00
|
|
|
else if (fewvars.exists ())
|
|
|
|
fewvars.release ();
|
2012-11-04 19:44:13 +01:00
|
|
|
}
|
|
|
|
|
2013-09-05 22:28:36 +02:00
|
|
|
/* See if TAKEN_EDGE->dest is a threadable block with no side effecs (ie, it
|
|
|
|
need not be duplicated as part of the CFG/SSA updating process).
|
|
|
|
|
|
|
|
If it is threadable, add it to PATH and VISITED and recurse, ultimately
|
|
|
|
returning TRUE from the toplevel call. Otherwise do nothing and
|
|
|
|
return false.
|
|
|
|
|
|
|
|
DUMMY_COND, HANDLE_DOMINATING_ASSERTS and SIMPLIFY are used to
|
|
|
|
try and simplify the condition at the end of TAKEN_EDGE->dest. */
|
|
|
|
static bool
|
|
|
|
thread_around_empty_blocks (edge taken_edge,
|
2014-11-19 18:00:54 +01:00
|
|
|
gcond *dummy_cond,
|
2013-09-05 22:28:36 +02:00
|
|
|
bool handle_dominating_asserts,
|
|
|
|
tree (*simplify) (gimple, gimple),
|
|
|
|
bitmap visited,
|
2013-11-13 00:15:13 +01:00
|
|
|
vec<jump_thread_edge *> *path,
|
|
|
|
bool *backedge_seen_p)
|
2011-03-28 20:33:42 +02:00
|
|
|
{
|
|
|
|
basic_block bb = taken_edge->dest;
|
|
|
|
gimple_stmt_iterator gsi;
|
|
|
|
gimple stmt;
|
|
|
|
tree cond;
|
|
|
|
|
2013-09-05 22:28:36 +02:00
|
|
|
/* The key property of these blocks is that they need not be duplicated
|
|
|
|
when threading. Thus they can not have visible side effects such
|
|
|
|
as PHI nodes. */
|
2011-03-28 20:33:42 +02:00
|
|
|
if (!gsi_end_p (gsi_start_phis (bb)))
|
2013-09-10 14:29:58 +02:00
|
|
|
return false;
|
2011-03-28 20:33:42 +02:00
|
|
|
|
|
|
|
/* Skip over DEBUG statements at the start of the block. */
|
|
|
|
gsi = gsi_start_nondebug_bb (bb);
|
|
|
|
|
2013-09-05 22:28:36 +02:00
|
|
|
/* If the block has no statements, but does have a single successor, then
|
2013-10-04 22:36:27 +02:00
|
|
|
it's just a forwarding block and we can thread through it trivially.
|
2013-09-11 04:23:48 +02:00
|
|
|
|
|
|
|
However, note that just threading through empty blocks with single
|
|
|
|
successors is not inherently profitable. For the jump thread to
|
|
|
|
be profitable, we must avoid a runtime conditional.
|
|
|
|
|
|
|
|
By taking the return value from the recursive call, we get the
|
|
|
|
desired effect of returning TRUE when we found a profitable jump
|
2013-10-04 22:36:27 +02:00
|
|
|
threading opportunity and FALSE otherwise.
|
2013-09-11 04:23:48 +02:00
|
|
|
|
|
|
|
This is particularly important when this routine is called after
|
|
|
|
processing a joiner block. Returning TRUE too aggressively in
|
|
|
|
that case results in pointless duplication of the joiner block. */
|
2011-03-28 20:33:42 +02:00
|
|
|
if (gsi_end_p (gsi))
|
2013-09-05 22:28:36 +02:00
|
|
|
{
|
|
|
|
if (single_succ_p (bb))
|
|
|
|
{
|
|
|
|
taken_edge = single_succ_edge (bb);
|
2013-11-13 00:15:13 +01:00
|
|
|
if (!bitmap_bit_p (visited, taken_edge->dest->index))
|
2013-09-05 22:28:36 +02:00
|
|
|
{
|
2013-09-26 05:28:03 +02:00
|
|
|
jump_thread_edge *x
|
|
|
|
= new jump_thread_edge (taken_edge, EDGE_NO_COPY_SRC_BLOCK);
|
|
|
|
path->safe_push (x);
|
2013-09-05 22:28:36 +02:00
|
|
|
bitmap_set_bit (visited, taken_edge->dest->index);
|
2013-11-13 00:15:13 +01:00
|
|
|
*backedge_seen_p |= ((taken_edge->flags & EDGE_DFS_BACK) != 0);
|
2013-11-22 19:52:23 +01:00
|
|
|
if (*backedge_seen_p)
|
|
|
|
simplify = dummy_simplify;
|
2013-09-11 04:23:48 +02:00
|
|
|
return thread_around_empty_blocks (taken_edge,
|
|
|
|
dummy_cond,
|
|
|
|
handle_dominating_asserts,
|
|
|
|
simplify,
|
|
|
|
visited,
|
2013-11-13 00:15:13 +01:00
|
|
|
path,
|
|
|
|
backedge_seen_p);
|
2013-09-05 22:28:36 +02:00
|
|
|
}
|
|
|
|
}
|
2013-09-11 04:23:48 +02:00
|
|
|
|
|
|
|
/* We have a block with no statements, but multiple successors? */
|
2013-09-05 22:28:36 +02:00
|
|
|
return false;
|
|
|
|
}
|
2011-03-28 20:33:42 +02:00
|
|
|
|
2013-09-05 22:28:36 +02:00
|
|
|
/* The only real statements this block can have are a control
|
|
|
|
flow altering statement. Anything else stops the thread. */
|
2011-03-28 20:33:42 +02:00
|
|
|
stmt = gsi_stmt (gsi);
|
|
|
|
if (gimple_code (stmt) != GIMPLE_COND
|
|
|
|
&& gimple_code (stmt) != GIMPLE_GOTO
|
|
|
|
&& gimple_code (stmt) != GIMPLE_SWITCH)
|
2013-09-05 22:28:36 +02:00
|
|
|
return false;
|
2011-03-28 20:33:42 +02:00
|
|
|
|
2013-11-22 19:52:23 +01:00
|
|
|
/* If we have traversed a backedge, then we do not want to look
|
|
|
|
at certain expressions in the table that can not be relied upon.
|
|
|
|
Luckily the only code that looked at those expressions is the
|
|
|
|
SIMPLIFY callback, which we replace if we can no longer use it. */
|
|
|
|
if (*backedge_seen_p)
|
|
|
|
simplify = dummy_simplify;
|
|
|
|
|
2011-03-28 20:33:42 +02:00
|
|
|
/* Extract and simplify the condition. */
|
|
|
|
cond = simplify_control_stmt_condition (taken_edge, stmt, dummy_cond,
|
|
|
|
simplify, handle_dominating_asserts);
|
|
|
|
|
|
|
|
/* If the condition can be statically computed and we have not already
|
|
|
|
visited the destination edge, then add the taken edge to our thread
|
|
|
|
path. */
|
|
|
|
if (cond && is_gimple_min_invariant (cond))
|
|
|
|
{
|
2013-09-05 22:28:36 +02:00
|
|
|
taken_edge = find_taken_edge (bb, cond);
|
2011-03-28 20:33:42 +02:00
|
|
|
|
|
|
|
if (bitmap_bit_p (visited, taken_edge->dest->index))
|
2013-09-05 22:28:36 +02:00
|
|
|
return false;
|
2011-03-28 20:33:42 +02:00
|
|
|
bitmap_set_bit (visited, taken_edge->dest->index);
|
2013-09-26 05:28:03 +02:00
|
|
|
|
|
|
|
jump_thread_edge *x
|
|
|
|
= new jump_thread_edge (taken_edge, EDGE_NO_COPY_SRC_BLOCK);
|
|
|
|
path->safe_push (x);
|
2013-11-13 00:15:13 +01:00
|
|
|
*backedge_seen_p |= ((taken_edge->flags & EDGE_DFS_BACK) != 0);
|
2013-11-22 19:52:23 +01:00
|
|
|
if (*backedge_seen_p)
|
|
|
|
simplify = dummy_simplify;
|
2013-09-26 05:28:03 +02:00
|
|
|
|
2013-09-05 22:28:36 +02:00
|
|
|
thread_around_empty_blocks (taken_edge,
|
|
|
|
dummy_cond,
|
|
|
|
handle_dominating_asserts,
|
|
|
|
simplify,
|
|
|
|
visited,
|
2013-11-13 00:15:13 +01:00
|
|
|
path,
|
|
|
|
backedge_seen_p);
|
2013-09-05 22:28:36 +02:00
|
|
|
return true;
|
2011-03-28 20:33:42 +02:00
|
|
|
}
|
2013-10-04 22:36:27 +02:00
|
|
|
|
2013-09-05 22:28:36 +02:00
|
|
|
return false;
|
2011-03-28 20:33:42 +02:00
|
|
|
}
|
2013-10-04 22:36:27 +02:00
|
|
|
|
2006-02-07 19:31:27 +01:00
|
|
|
/* We are exiting E->src, see if E->dest ends with a conditional
|
2009-11-25 11:55:54 +01:00
|
|
|
jump which has a known value when reached via E.
|
2006-02-07 19:31:27 +01:00
|
|
|
|
2013-10-04 22:36:27 +02:00
|
|
|
E->dest can have arbitrary side effects which, if threading is
|
|
|
|
successful, will be maintained.
|
|
|
|
|
2006-02-07 19:31:27 +01:00
|
|
|
Special care is necessary if E is a back edge in the CFG as we
|
|
|
|
may have already recorded equivalences for E->dest into our
|
|
|
|
various tables, including the result of the conditional at
|
|
|
|
the end of E->dest. Threading opportunities are severely
|
|
|
|
limited in that case to avoid short-circuiting the loop
|
|
|
|
incorrectly.
|
|
|
|
|
2007-04-09 08:51:43 +02:00
|
|
|
DUMMY_COND is a shared cond_expr used by condition simplification as scratch,
|
|
|
|
to avoid allocating memory.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
2007-04-09 08:51:43 +02:00
|
|
|
HANDLE_DOMINATING_ASSERTS is true if we should try to replace operands of
|
|
|
|
the simplified condition with left-hand sides of ASSERT_EXPRs they are
|
|
|
|
used in.
|
2009-11-25 11:55:54 +01:00
|
|
|
|
2007-04-09 08:51:43 +02:00
|
|
|
STACK is used to undo temporary equivalences created during the walk of
|
|
|
|
E->dest.
|
|
|
|
|
2013-10-04 22:36:27 +02:00
|
|
|
SIMPLIFY is a pass-specific function used to simplify statements.
|
2006-02-07 19:31:27 +01:00
|
|
|
|
2013-10-04 22:36:27 +02:00
|
|
|
Our caller is responsible for restoring the state of the expression
|
2014-05-09 06:54:00 +02:00
|
|
|
and const_and_copies stacks.
|
2006-02-07 19:31:27 +01:00
|
|
|
|
2014-05-09 06:54:00 +02:00
|
|
|
Positive return value is success. Zero return value is failure, but
|
|
|
|
the block can still be duplicated as a joiner in a jump thread path,
|
|
|
|
negative indicates the block should not be duplicated and thus is not
|
|
|
|
suitable for a joiner in a jump threading path. */
|
|
|
|
|
|
|
|
static int
|
2013-10-04 22:36:27 +02:00
|
|
|
thread_through_normal_block (edge e,
|
2014-11-19 18:00:54 +01:00
|
|
|
gcond *dummy_cond,
|
2013-10-04 22:36:27 +02:00
|
|
|
bool handle_dominating_asserts,
|
|
|
|
vec<tree> *stack,
|
|
|
|
tree (*simplify) (gimple, gimple),
|
2013-10-21 17:25:09 +02:00
|
|
|
vec<jump_thread_edge *> *path,
|
2013-11-13 00:15:13 +01:00
|
|
|
bitmap visited,
|
2014-06-05 20:25:02 +02:00
|
|
|
bool *backedge_seen_p)
|
2013-10-04 22:36:27 +02:00
|
|
|
{
|
2013-11-22 19:52:23 +01:00
|
|
|
/* If we have traversed a backedge, then we do not want to look
|
|
|
|
at certain expressions in the table that can not be relied upon.
|
|
|
|
Luckily the only code that looked at those expressions is the
|
|
|
|
SIMPLIFY callback, which we replace if we can no longer use it. */
|
|
|
|
if (*backedge_seen_p)
|
|
|
|
simplify = dummy_simplify;
|
2009-11-25 11:55:54 +01:00
|
|
|
|
2014-06-12 19:12:18 +02:00
|
|
|
/* PHIs create temporary equivalences.
|
|
|
|
Note that if we found a PHI that made the block non-threadable, then
|
|
|
|
we need to bubble that up to our caller in the same manner we do
|
|
|
|
when we prematurely stop processing statements below. */
|
2014-06-05 20:25:02 +02:00
|
|
|
if (!record_temporary_equivalences_from_phis (e, stack))
|
2014-06-12 19:12:18 +02:00
|
|
|
return -1;
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
/* Now walk each statement recording any context sensitive
|
|
|
|
temporary equivalences we can detect. */
|
2013-10-04 22:36:27 +02:00
|
|
|
gimple stmt
|
2013-11-22 19:52:23 +01:00
|
|
|
= record_temporary_equivalences_from_stmts_at_dest (e, stack, simplify,
|
2014-06-05 20:25:02 +02:00
|
|
|
*backedge_seen_p);
|
2014-05-09 06:54:00 +02:00
|
|
|
|
|
|
|
/* If we didn't look at all the statements, the most likely reason is
|
|
|
|
there were too many and thus duplicating this block is not profitable.
|
|
|
|
|
|
|
|
Also note if we do not look at all the statements, then we may not
|
|
|
|
have invalidated equivalences that are no longer valid if we threaded
|
|
|
|
around a loop. Thus we must signal to our caller that this block
|
|
|
|
is not suitable for use as a joiner in a threading path. */
|
2006-02-07 19:31:27 +01:00
|
|
|
if (!stmt)
|
2014-05-09 06:54:00 +02:00
|
|
|
return -1;
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
/* If we stopped at a COND_EXPR or SWITCH_EXPR, see if we know which arm
|
|
|
|
will be taken. */
|
2008-07-28 16:33:56 +02:00
|
|
|
if (gimple_code (stmt) == GIMPLE_COND
|
|
|
|
|| gimple_code (stmt) == GIMPLE_GOTO
|
|
|
|
|| gimple_code (stmt) == GIMPLE_SWITCH)
|
2006-02-07 19:31:27 +01:00
|
|
|
{
|
|
|
|
tree cond;
|
|
|
|
|
|
|
|
/* Extract and simplify the condition. */
|
2011-03-28 20:33:42 +02:00
|
|
|
cond = simplify_control_stmt_condition (e, stmt, dummy_cond, simplify,
|
|
|
|
handle_dominating_asserts);
|
2006-02-07 19:31:27 +01:00
|
|
|
|
|
|
|
if (cond && is_gimple_min_invariant (cond))
|
|
|
|
{
|
|
|
|
edge taken_edge = find_taken_edge (e->dest, cond);
|
|
|
|
basic_block dest = (taken_edge ? taken_edge->dest : NULL);
|
|
|
|
|
2013-09-05 22:28:36 +02:00
|
|
|
/* DEST could be NULL for a computed jump to an absolute
|
|
|
|
address. */
|
2013-11-13 00:15:13 +01:00
|
|
|
if (dest == NULL
|
|
|
|
|| dest == e->dest
|
|
|
|
|| bitmap_bit_p (visited, dest->index))
|
2014-05-09 06:54:00 +02:00
|
|
|
return 0;
|
2006-02-07 19:31:27 +01:00
|
|
|
|
2013-11-14 19:05:55 +01:00
|
|
|
/* Only push the EDGE_START_JUMP_THREAD marker if this is
|
|
|
|
first edge on the path. */
|
|
|
|
if (path->length () == 0)
|
|
|
|
{
|
|
|
|
jump_thread_edge *x
|
|
|
|
= new jump_thread_edge (e, EDGE_START_JUMP_THREAD);
|
|
|
|
path->safe_push (x);
|
|
|
|
*backedge_seen_p |= ((e->flags & EDGE_DFS_BACK) != 0);
|
|
|
|
}
|
2013-09-26 05:28:03 +02:00
|
|
|
|
2013-11-14 19:05:55 +01:00
|
|
|
jump_thread_edge *x
|
|
|
|
= new jump_thread_edge (taken_edge, EDGE_COPY_SRC_BLOCK);
|
2013-10-01 15:42:16 +02:00
|
|
|
path->safe_push (x);
|
2013-11-13 00:15:13 +01:00
|
|
|
*backedge_seen_p |= ((taken_edge->flags & EDGE_DFS_BACK) != 0);
|
2013-11-22 19:52:23 +01:00
|
|
|
if (*backedge_seen_p)
|
|
|
|
simplify = dummy_simplify;
|
2013-09-03 22:43:46 +02:00
|
|
|
|
2013-09-05 22:28:36 +02:00
|
|
|
/* See if we can thread through DEST as well, this helps capture
|
|
|
|
secondary effects of threading without having to re-run DOM or
|
2013-11-22 19:52:23 +01:00
|
|
|
VRP.
|
|
|
|
|
|
|
|
We don't want to thread back to a block we have already
|
|
|
|
visited. This may be overly conservative. */
|
|
|
|
bitmap_set_bit (visited, dest->index);
|
|
|
|
bitmap_set_bit (visited, e->dest->index);
|
|
|
|
thread_around_empty_blocks (taken_edge,
|
|
|
|
dummy_cond,
|
|
|
|
handle_dominating_asserts,
|
|
|
|
simplify,
|
|
|
|
visited,
|
|
|
|
path,
|
|
|
|
backedge_seen_p);
|
2014-05-09 06:54:00 +02:00
|
|
|
return 1;
|
2006-02-07 19:31:27 +01:00
|
|
|
}
|
|
|
|
}
|
2014-05-09 06:54:00 +02:00
|
|
|
return 0;
|
2013-10-04 22:36:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* We are exiting E->src, see if E->dest ends with a conditional
|
|
|
|
jump which has a known value when reached via E.
|
|
|
|
|
|
|
|
Special care is necessary if E is a back edge in the CFG as we
|
|
|
|
may have already recorded equivalences for E->dest into our
|
|
|
|
various tables, including the result of the conditional at
|
|
|
|
the end of E->dest. Threading opportunities are severely
|
|
|
|
limited in that case to avoid short-circuiting the loop
|
|
|
|
incorrectly.
|
|
|
|
|
|
|
|
Note it is quite common for the first block inside a loop to
|
|
|
|
end with a conditional which is either always true or always
|
|
|
|
false when reached via the loop backedge. Thus we do not want
|
|
|
|
to blindly disable threading across a loop backedge.
|
|
|
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DUMMY_COND is a shared cond_expr used by condition simplification as scratch,
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to avoid allocating memory.
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HANDLE_DOMINATING_ASSERTS is true if we should try to replace operands of
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the simplified condition with left-hand sides of ASSERT_EXPRs they are
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used in.
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STACK is used to undo temporary equivalences created during the walk of
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E->dest.
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SIMPLIFY is a pass-specific function used to simplify statements. */
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void
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2014-11-19 18:00:54 +01:00
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thread_across_edge (gcond *dummy_cond,
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2013-10-04 22:36:27 +02:00
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edge e,
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bool handle_dominating_asserts,
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vec<tree> *stack,
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tree (*simplify) (gimple, gimple))
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{
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2013-10-21 17:25:09 +02:00
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bitmap visited = BITMAP_ALLOC (NULL);
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2013-11-13 00:15:13 +01:00
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bool backedge_seen;
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2013-10-21 17:25:09 +02:00
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2013-10-04 22:36:27 +02:00
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stmt_count = 0;
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vec<jump_thread_edge *> *path = new vec<jump_thread_edge *> ();
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2013-10-21 17:25:09 +02:00
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bitmap_clear (visited);
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bitmap_set_bit (visited, e->src->index);
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bitmap_set_bit (visited, e->dest->index);
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2013-11-13 00:15:13 +01:00
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backedge_seen = ((e->flags & EDGE_DFS_BACK) != 0);
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2013-11-22 19:52:23 +01:00
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if (backedge_seen)
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simplify = dummy_simplify;
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2014-05-09 06:54:00 +02:00
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int threaded = thread_through_normal_block (e, dummy_cond,
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handle_dominating_asserts,
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stack, simplify, path,
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2014-06-05 20:25:02 +02:00
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visited, &backedge_seen);
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2014-05-09 06:54:00 +02:00
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if (threaded > 0)
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2013-10-04 22:36:27 +02:00
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{
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propagate_threaded_block_debug_into (path->last ()->e->dest,
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e->dest);
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remove_temporary_equivalences (stack);
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2013-10-21 17:25:09 +02:00
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BITMAP_FREE (visited);
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2013-10-04 22:36:27 +02:00
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register_jump_thread (path);
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return;
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}
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else
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{
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2014-05-09 06:54:00 +02:00
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/* Negative and zero return values indicate no threading was possible,
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thus there should be no edges on the thread path and no need to walk
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through the vector entries. */
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2013-10-04 22:36:27 +02:00
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gcc_assert (path->length () == 0);
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path->release ();
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2014-05-09 06:54:00 +02:00
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/* A negative status indicates the target block was deemed too big to
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duplicate. Just quit now rather than trying to use the block as
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a joiner in a jump threading path.
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This prevents unnecessary code growth, but more importantly if we
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do not look at all the statements in the block, then we may have
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missed some invalidations if we had traversed a backedge! */
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if (threaded < 0)
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{
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BITMAP_FREE (visited);
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remove_temporary_equivalences (stack);
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return;
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}
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2013-10-04 22:36:27 +02:00
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}
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2006-02-07 19:31:27 +01:00
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2011-06-16 23:52:00 +02:00
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/* We were unable to determine what out edge from E->dest is taken. However,
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we might still be able to thread through successors of E->dest. This
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often occurs when E->dest is a joiner block which then fans back out
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based on redundant tests.
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If so, we'll copy E->dest and redirect the appropriate predecessor to
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the copy. Within the copy of E->dest, we'll thread one or more edges
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to points deeper in the CFG.
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This is a stopgap until we have a more structured approach to path
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isolation. */
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{
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2013-09-05 22:28:36 +02:00
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edge taken_edge;
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2011-06-16 23:52:00 +02:00
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edge_iterator ei;
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2013-09-09 05:07:28 +02:00
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bool found;
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2011-06-16 23:52:00 +02:00
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2013-10-23 15:54:48 +02:00
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/* If E->dest has abnormal outgoing edges, then there's no guarantee
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we can safely redirect any of the edges. Just punt those cases. */
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FOR_EACH_EDGE (taken_edge, ei, e->dest->succs)
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if (taken_edge->flags & EDGE_ABNORMAL)
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{
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remove_temporary_equivalences (stack);
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BITMAP_FREE (visited);
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return;
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}
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2011-06-16 23:52:00 +02:00
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/* Look at each successor of E->dest to see if we can thread through it. */
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FOR_EACH_EDGE (taken_edge, ei, e->dest->succs)
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{
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2013-11-21 20:45:16 +01:00
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/* Push a fresh marker so we can unwind the equivalences created
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for each of E->dest's successors. */
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stack->safe_push (NULL_TREE);
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2011-06-16 23:52:00 +02:00
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/* Avoid threading to any block we have already visited. */
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bitmap_clear (visited);
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2013-11-22 08:36:12 +01:00
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bitmap_set_bit (visited, e->src->index);
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2011-06-16 23:52:00 +02:00
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bitmap_set_bit (visited, e->dest->index);
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2013-11-22 08:36:12 +01:00
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bitmap_set_bit (visited, taken_edge->dest->index);
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2013-10-01 15:42:16 +02:00
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vec<jump_thread_edge *> *path = new vec<jump_thread_edge *> ();
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2011-06-16 23:52:00 +02:00
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/* Record whether or not we were able to thread through a successor
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of E->dest. */
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2013-09-26 05:28:03 +02:00
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jump_thread_edge *x = new jump_thread_edge (e, EDGE_START_JUMP_THREAD);
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2013-10-01 15:42:16 +02:00
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path->safe_push (x);
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2013-09-26 05:28:03 +02:00
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x = new jump_thread_edge (taken_edge, EDGE_COPY_SRC_JOINER_BLOCK);
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2013-10-01 15:42:16 +02:00
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path->safe_push (x);
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2013-09-09 05:07:28 +02:00
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found = false;
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2013-11-13 00:15:13 +01:00
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backedge_seen = ((e->flags & EDGE_DFS_BACK) != 0);
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backedge_seen |= ((taken_edge->flags & EDGE_DFS_BACK) != 0);
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2013-11-22 19:52:23 +01:00
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if (backedge_seen)
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simplify = dummy_simplify;
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found = thread_around_empty_blocks (taken_edge,
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dummy_cond,
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handle_dominating_asserts,
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simplify,
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visited,
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path,
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&backedge_seen);
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if (backedge_seen)
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simplify = dummy_simplify;
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if (!found)
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2013-11-20 02:55:17 +01:00
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found = thread_through_normal_block (path->last ()->e, dummy_cond,
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handle_dominating_asserts,
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stack, simplify, path, visited,
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2014-06-05 20:25:02 +02:00
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&backedge_seen) > 0;
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2013-11-20 02:55:17 +01:00
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2011-06-16 23:52:00 +02:00
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/* If we were able to thread through a successor of E->dest, then
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record the jump threading opportunity. */
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if (found)
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{
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2013-10-01 15:42:16 +02:00
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propagate_threaded_block_debug_into (path->last ()->e->dest,
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2013-09-17 19:27:41 +02:00
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taken_edge->dest);
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2013-09-26 05:28:03 +02:00
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register_jump_thread (path);
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2011-06-16 23:52:00 +02:00
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}
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2013-10-01 15:42:16 +02:00
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else
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{
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2013-11-08 17:24:06 +01:00
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delete_jump_thread_path (path);
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2013-10-01 15:42:16 +02:00
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}
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2013-11-21 20:45:16 +01:00
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/* And unwind the equivalence table. */
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remove_temporary_equivalences (stack);
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2011-06-16 23:52:00 +02:00
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}
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BITMAP_FREE (visited);
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}
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2006-02-07 19:31:27 +01:00
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remove_temporary_equivalences (stack);
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}
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