gcc/gcc/genconfig.c

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/* Generate from machine description:
- some #define configuration flags.
2000-02-26 14:55:09 +01:00
Copyright (C) 1987, 1991, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
1991-11-03 15:27:47 +01:00
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
This file is part of GCC.
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Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
2001-08-22 16:35:51 +02:00
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
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Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
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You should have received a copy of the GNU General Public License
Makefile.in, [...]: replace "GNU CC" with "GCC". * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". From-SVN: r45105
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along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
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#include "hconfig.h"
#include "system.h"
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#include "rtl.h"
#include "errors.h"
#include "gensupport.h"
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/* flags to determine output of machine description dependent #define's. */
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static int max_recog_operands; /* Largest operand number seen. */
static int max_dup_operands; /* Largest number of match_dup in any insn. */
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static int max_clobbers_per_insn;
static int have_cc0_flag;
static int have_cmove_flag;
static int have_cond_exec_flag;
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static int have_lo_sum_flag;
backport: Makefile.in (STAGESTUFF): Add *.peephole2. Merge peephole2 from new_ia32_branch: * Makefile.in (STAGESTUFF): Add *.peephole2. (mostlyclean): Likewise. (recog.o): Depend on resource.h. * final.c (peephole): Conditionalize decl on HAVE_peephole. (final_scan_insn): Likewise for the invocation of peephole. * genconfig.c (main): Look for peephole and peephole2 patterns. Emit HAVE_peephole* accordingly. * genpeep.c (main): Conditionalize entire output on HAVE_peephole. * flags.h (flag_peephole2): Declare. * toplev.c: New pass peephole2. New flag -fpeephole2. * genattrtab.c (main): Count DEFINE_PEEPHOLE2. * gencodes.c (main): Likewise. * genextract.c (main): Likewise. * genoutput.c (main): Likewise. * genemit.c (max_operand_1): Look for the max scratch operand. (gen_rtx_scratch): New. (gen_exp): Use it, and pass on new arg subroutine_type. (gen_expand): Take max scratch into account. (gen_split): Emit peephole2 functions. (output_peephole2_scratch): New. (main): Include hard-reg-set.h and resource.h. Handle peephole2. * genrecog.c (routine_type): Add PEEPHOLE2. (IS_SPLIT): New. (make_insn_sequence): Match outer parallel for peep2. Discard top level scratches and dups. (add_to_sequence): New args insn_type and top. Update all callers. Handle toplevel peep2 matching insns. (write_subroutine): Handle peep2. (write_tree_1): Likewise. (write_tree): Likewise. (main): Likewise. (change_state): New arg afterward. Update all callers. Handle matching separate insns. * recog.c (recog_next_insn): New. (peephole2_optimize): New. * rtl.def (DEFINE_PEEPHOLE2): New. * resource.c (find_free_register): New argument last_insn. Use it to find a register available through the entire span. * resource.h (find_free_register): Update prototype. From-SVN: r29015
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static int have_peephole_flag;
static int have_peephole2_flag;
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/* Maximum number of insns seen in a split. */
static int max_insns_per_split = 1;
/* Maximum number of input insns for peephole2. */
static int max_insns_per_peep2;
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static int clobbers_seen_this_insn;
static int dup_operands_seen_this_insn;
static void walk_insn_part PARAMS ((rtx, int, int));
static void gen_insn PARAMS ((rtx));
static void gen_expand PARAMS ((rtx));
static void gen_split PARAMS ((rtx));
static void gen_peephole PARAMS ((rtx));
static void gen_peephole2 PARAMS ((rtx));
c-lex.c (is_class_name): Delete declaration. * c-lex.c (is_class_name): Delete declaration. (whitespace_cr): Make static and add prototype. * c-lex.h (make_pointer_declarator, reinit_parse_for_function, yylex, get_directive_line): Turn declarations into prototypes. (position_after_whitespace, check_newline, yyerror,, is_class_name, forget_protocol_qualifiers, remember_protocol_qualifiers): Add prototypes. * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add prototypes. * gencodes.c (gen_insn): Add prototype. * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split, gen_peephole): Add prototypes. * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add prototypes. * gengenrtl.c (type_from_format, accessor_from_format, special_rtx, special_format, find_formats, gendecl, genmacro, gendef, genlegend, genheader, gencode): Add prototypes. * genopinit.c (gen_insn): Add prototype. * genoutput.c (output_prologue, output_epilogue, scan_operands, process_template, validate_insn_alternatives, gen_insn, gen_peephole, gen_expand, gen_split, n_occurrences): Add prototypes. * genpeep.c (gen_peephole): Add prototype. * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop, reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg, labels_in_range_p, count_loop_regs_set, note_addr_stored, loop_reg_used_before_p, scan_loop, replace_call_address, skip_consec_insns, libcall_benefit, ignore_some_movables, force_movables, combine_movables, rtx_equal_for_loop_p, move_movables, strength_reduce, valid_initial_value_p, find_mem_givs, record_biv, check_final_value, record_giv, update_giv_derive, basic_induction_var, simplify_giv_expr, general_induction_var, consec_sets_giv, check_dbra_loop, express_from, combine_givs_p, combine_givs, product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1, last_use_this_basic_block, record_initial, update_reg_last_use, iteration_info, analyze_loop_iterations, insert_bct, instrument_loop_bct, indirect_jump_in_function_p): Turn declarations into prototypes. From-SVN: r19038
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/* RECOG_P will be non-zero if this pattern was seen in a context where it will
be used to recognize, rather than just generate an insn.
NON_PC_SET_SRC will be non-zero if this pattern was seen in a SET_SRC
of a SET whose destination is not (pc). */
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static void
walk_insn_part (part, recog_p, non_pc_set_src)
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rtx part;
int recog_p;
int non_pc_set_src;
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{
alias.c: Remove uses of "register" specifier in declarations of arguments and local... 2001-10-10 Stan Shebs <shebs@apple.com> * alias.c: Remove uses of "register" specifier in declarations of arguments and local variables. * c-common.c: Ditto. * c-convert.c: Ditto. * c-decl.c: Ditto. * c-format.c: Ditto. * c-semantics.c: Ditto. * c-typeck.c: Ditto. * caller-save.c: Ditto. * calls.c: Ditto. * cfg.c: Ditto. * cfgbuild.c: Ditto. * cfgrtl.c: Ditto. * collect2.c: Ditto. * combine.c: Ditto. * convert.c: Ditto. * cppexp.c: Ditto. * cppfiles.c: Ditto. * cse.c: Ditto. * dbxout.c: Ditto. * defaults.h: Ditto. * df.c: Ditto. * dwarf2out.c: Ditto. * dwarfout.c: Ditto. * emit-rtl.c: Ditto. * explow.c: Ditto. * expmed.c: Ditto. * expr.c: Ditto. * final.c: Ditto. * fix-header.c: Ditto. * floatlib.c: Ditto. * flow.c: Ditto. * fold-const.c: Ditto. * function.c: Ditto. * gcc.c: Ditto. * gcse.c: Ditto. * gen-protos.c: Ditto. * genattrtab.c: Ditto. * gencheck.c: Ditto. * genconfig.c: Ditto. * genemit.c: Ditto. * genextract.c: Ditto. * genflags.c: Ditto. * gengenrtl.c: Ditto. * genoutput.c: Ditto. * genpeep.c: Ditto. * genrecog.c: Ditto. * gensupport.c: Ditto. * global.c: Ditto. * gmon.c: Ditto. * graph.c: Ditto. * haifa-sched.c: Ditto. * hard-reg-set.h: Ditto. * hash.c: Ditto. * integrate.c: Ditto. * jump.c: Ditto. * lists.c: Ditto. * local-alloc.c: Ditto. * loop.c: Ditto. * mips-tdump.c: Ditto. * mips-tfile.c: Ditto. * optabs.c: Ditto. * prefix.c: Ditto. * print-rtl.c: Ditto. * read-rtl.c: Ditto. * real.c: Ditto. * recog.c: Ditto. * reg-stack.c: Ditto. * regclass.c: Ditto. * regmove.c: Ditto. * reload.c: Ditto. * reload1.c: Ditto. * reorg.c: Ditto. * resource.c: Ditto. * rtl.c: Ditto. * rtlanal.c: Ditto. * scan.c: Ditto. * sched-deps.c: Ditto. * sched-rgn.c: Ditto. * sdbout.c: Ditto. * simplify-rtx.c: Ditto. * stmt.c: Ditto. * stor-layout.c: Ditto. * toplev.c: Ditto. * tradcif.y: Ditto. * tradcpp.c: Ditto. * tree.c: Ditto. * unroll.c: Ditto. * varasm.c: Ditto. * xcoffout.c: Ditto. From-SVN: r46173
2001-10-11 05:16:15 +02:00
int i, j;
RTX_CODE code;
const char *format_ptr;
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if (part == 0)
return;
code = GET_CODE (part);
switch (code)
{
case CLOBBER:
clobbers_seen_this_insn++;
break;
case MATCH_OPERAND:
if (XINT (part, 0) > max_recog_operands)
max_recog_operands = XINT (part, 0);
return;
case MATCH_OP_DUP:
case MATCH_PAR_DUP:
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++dup_operands_seen_this_insn;
case MATCH_SCRATCH:
case MATCH_PARALLEL:
case MATCH_OPERATOR:
if (XINT (part, 0) > max_recog_operands)
max_recog_operands = XINT (part, 0);
/* Now scan the rtl's in the vector inside the MATCH_OPERATOR or
MATCH_PARALLEL. */
break;
case LABEL_REF:
if (GET_CODE (XEXP (part, 0)) == MATCH_OPERAND)
break;
return;
case MATCH_DUP:
++dup_operands_seen_this_insn;
if (XINT (part, 0) > max_recog_operands)
max_recog_operands = XINT (part, 0);
return;
case CC0:
if (recog_p)
have_cc0_flag = 1;
return;
case LO_SUM:
if (recog_p)
have_lo_sum_flag = 1;
return;
case SET:
walk_insn_part (SET_DEST (part), 0, recog_p);
walk_insn_part (SET_SRC (part), recog_p,
GET_CODE (SET_DEST (part)) != PC);
return;
case IF_THEN_ELSE:
/* Only consider this machine as having a conditional move if the
two arms of the IF_THEN_ELSE are both MATCH_OPERAND. Otherwise,
we have some specific IF_THEN_ELSE construct (like the doz
instruction on the RS/6000) that can't be used in the general
context we want it for. */
if (recog_p && non_pc_set_src
&& GET_CODE (XEXP (part, 1)) == MATCH_OPERAND
&& GET_CODE (XEXP (part, 2)) == MATCH_OPERAND)
have_cmove_flag = 1;
break;
case COND_EXEC:
if (recog_p)
have_cond_exec_flag = 1;
break;
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case REG: case CONST_INT: case SYMBOL_REF:
case PC:
return;
default:
break;
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}
format_ptr = GET_RTX_FORMAT (GET_CODE (part));
for (i = 0; i < GET_RTX_LENGTH (GET_CODE (part)); i++)
switch (*format_ptr++)
{
case 'e':
case 'u':
walk_insn_part (XEXP (part, i), recog_p, non_pc_set_src);
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break;
case 'E':
if (XVEC (part, i) != NULL)
for (j = 0; j < XVECLEN (part, i); j++)
walk_insn_part (XVECEXP (part, i, j), recog_p, non_pc_set_src);
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break;
}
}
static void
gen_insn (insn)
rtx insn;
{
int i;
/* Walk the insn pattern to gather the #define's status. */
clobbers_seen_this_insn = 0;
dup_operands_seen_this_insn = 0;
if (XVEC (insn, 1) != 0)
for (i = 0; i < XVECLEN (insn, 1); i++)
walk_insn_part (XVECEXP (insn, 1, i), 1, 0);
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if (clobbers_seen_this_insn > max_clobbers_per_insn)
max_clobbers_per_insn = clobbers_seen_this_insn;
if (dup_operands_seen_this_insn > max_dup_operands)
max_dup_operands = dup_operands_seen_this_insn;
}
/* Similar but scan a define_expand. */
static void
gen_expand (insn)
rtx insn;
{
int i;
/* Walk the insn pattern to gather the #define's status. */
/* Note that we don't bother recording the number of MATCH_DUPs
that occur in a gen_expand, because only reload cares about that. */
if (XVEC (insn, 1) != 0)
for (i = 0; i < XVECLEN (insn, 1); i++)
{
/* Compute the maximum SETs and CLOBBERS
in any one of the sub-insns;
don't sum across all of them. */
clobbers_seen_this_insn = 0;
walk_insn_part (XVECEXP (insn, 1, i), 0, 0);
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if (clobbers_seen_this_insn > max_clobbers_per_insn)
max_clobbers_per_insn = clobbers_seen_this_insn;
}
}
/* Similar but scan a define_split. */
static void
gen_split (split)
rtx split;
{
int i;
/* Look through the patterns that are matched
to compute the maximum operand number. */
for (i = 0; i < XVECLEN (split, 0); i++)
walk_insn_part (XVECEXP (split, 0, i), 1, 0);
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/* Look at the number of insns this insn could split into. */
if (XVECLEN (split, 2) > max_insns_per_split)
max_insns_per_split = XVECLEN (split, 2);
}
static void
gen_peephole (peep)
rtx peep;
{
int i;
/* Look through the patterns that are matched
to compute the maximum operand number. */
for (i = 0; i < XVECLEN (peep, 0); i++)
walk_insn_part (XVECEXP (peep, 0, i), 1, 0);
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}
static void
gen_peephole2 (peep)
rtx peep;
{
int i, n;
/* Look through the patterns that are matched
to compute the maximum operand number. */
for (i = XVECLEN (peep, 0) - 1; i >= 0; --i)
walk_insn_part (XVECEXP (peep, 0, i), 1, 0);
/* Look at the number of insns this insn can be matched from. */
for (i = XVECLEN (peep, 0) - 1, n = 0; i >= 0; --i)
if (GET_CODE (XVECEXP (peep, 0, i)) != MATCH_DUP
&& GET_CODE (XVECEXP (peep, 0, i)) != MATCH_SCRATCH)
n++;
if (n > max_insns_per_peep2)
max_insns_per_peep2 = n;
}
extern int main PARAMS ((int, char **));
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int
main (argc, argv)
int argc;
char **argv;
{
rtx desc;
progname = "genconfig";
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if (argc <= 1)
c-decl.c (duplicate_decls, [...]): Remove leading capital from diagnostics. * c-decl.c (duplicate_decls, push_parm_decl): Remove leading capital from diagnostics. * c-lex.c (cb_file_change): Similarly. * c-parse.in : Similarly. * cfgrtl.c (verify_flow_info): Similarly. * collect2.c: Similarly. * cppfiles.c (find_include_file): Similarly. * cppinit.c (cpp_handle_option): Similarly. * cpplex.c (cpp_spell_token): Similarly. * cppmain.c (do_preprocessing): Similarly. * gcc.c (translate_options, process_command, do_spec1, main, pfatal_execute): Similarly. * genattr.c (main): Similarly. * genattrtab.c (check_attr_test, operate_exp, simplify_test_exp, write_test_expr, main): Similarly. * gencodes.c (main): Similarly. * genconfig.c (main): Similarly. * genconstants.c (main): Similarly. * genemit.c (main): Similarly. * genextract.c (main): Similarly. * genflags.c (main): Similarly. * genopinit.c (main): Similarly. * genoutput.c (process_template, main): Similarly. * genpeep.c (main): Similarly. * genrecog.c (main): Similarly. * gensupport.c (is_predicable, identify_predicable_attribute, alter_predicate_for_insn, init_md_reader_args, main): Similarly. * ggc-page.c (alloc_anon): Similarly. * mips-tfile.c (add_string, add_procedure, add_file, read_line, parse_begin, parse_bend, parse_def, parse_end, parse_file, parse_stabs_common, parse_stabs, write_varray, write_object, read_seek, copy_object, main, error): Similarly. * profile.c (compute_branch_probabilities): Similarly. * reg-stack.c (check_asm_stack_operands): Similarly. * reload.c (find_reloads): Similarly. * reload1.c (spill_failure, failed_reload): Similarly. * rtl-error.c (_fatal_insn_not_found): Similarly. * toplev.c (read_integral_parameter, crash_signal, decode_f_option, set_target_switch, parse_options_and_default_flags) : Similarly. * tradcif.y (parse_number, yylex): Similarly. * tradcpp.c (main, fancy_abort): Similarly. * tree.c (tree_check_failed): Similarly. * varray.c (varray_check_failed): Similarly. * xcoffout.c (xcoff_output_standard_types): Similarly. cp: * call.c (build_java_interface_fn_ref): Similarly. * except.c (is_admissible_throw_operand): Similarly. * init.c (build_java_class_ref): Similarly. * xref.c (open_xref_file): Similarly. objc: * objc-act.c (get_object_ref, lookup_and_install_protocols, build_objc_string_object, objc_declare_alias, build_ivar_chain, finish_message_expr, build_protocol_expr, is_public, start_class): Similarly. testsuite: * objc.dg/alias.m: Update. * objc.dg/class-1.m: Update. * objc.dg/const-str-1.m: Update. * objc.dg/fwd-proto-1.m: Update. * objc.dg/id-1.m: Update. * objc.dg/super-class-1.m: Update. From-SVN: r47518
2001-12-02 01:04:36 +01:00
fatal ("no input file name");
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if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
return (FATAL_EXIT_CODE);
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puts ("/* Generated automatically by the program `genconfig'");
puts (" from the machine description file `md'. */\n");
puts ("#ifndef GCC_INSN_CONFIG_H");
puts ("#define GCC_INSN_CONFIG_H\n");
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/* Allow at least 30 operands for the sake of asm constructs. */
/* ??? We *really* ought to reorganize things such that there
is no fixed upper bound. */
max_recog_operands = 29; /* We will add 1 later. */
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max_dup_operands = 1;
/* Read the machine description. */
while (1)
{
int line_no, insn_code_number = 0;
desc = read_md_rtx (&line_no, &insn_code_number);
if (desc == NULL)
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break;
switch (GET_CODE (desc))
backport: Makefile.in (STAGESTUFF): Add *.peephole2. Merge peephole2 from new_ia32_branch: * Makefile.in (STAGESTUFF): Add *.peephole2. (mostlyclean): Likewise. (recog.o): Depend on resource.h. * final.c (peephole): Conditionalize decl on HAVE_peephole. (final_scan_insn): Likewise for the invocation of peephole. * genconfig.c (main): Look for peephole and peephole2 patterns. Emit HAVE_peephole* accordingly. * genpeep.c (main): Conditionalize entire output on HAVE_peephole. * flags.h (flag_peephole2): Declare. * toplev.c: New pass peephole2. New flag -fpeephole2. * genattrtab.c (main): Count DEFINE_PEEPHOLE2. * gencodes.c (main): Likewise. * genextract.c (main): Likewise. * genoutput.c (main): Likewise. * genemit.c (max_operand_1): Look for the max scratch operand. (gen_rtx_scratch): New. (gen_exp): Use it, and pass on new arg subroutine_type. (gen_expand): Take max scratch into account. (gen_split): Emit peephole2 functions. (output_peephole2_scratch): New. (main): Include hard-reg-set.h and resource.h. Handle peephole2. * genrecog.c (routine_type): Add PEEPHOLE2. (IS_SPLIT): New. (make_insn_sequence): Match outer parallel for peep2. Discard top level scratches and dups. (add_to_sequence): New args insn_type and top. Update all callers. Handle toplevel peep2 matching insns. (write_subroutine): Handle peep2. (write_tree_1): Likewise. (write_tree): Likewise. (main): Likewise. (change_state): New arg afterward. Update all callers. Handle matching separate insns. * recog.c (recog_next_insn): New. (peephole2_optimize): New. * rtl.def (DEFINE_PEEPHOLE2): New. * resource.c (find_free_register): New argument last_insn. Use it to find a register available through the entire span. * resource.h (find_free_register): Update prototype. From-SVN: r29015
1999-08-31 22:37:09 +02:00
{
case DEFINE_INSN:
gen_insn (desc);
break;
case DEFINE_EXPAND:
gen_expand (desc);
break;
case DEFINE_SPLIT:
gen_split (desc);
break;
case DEFINE_PEEPHOLE2:
have_peephole2_flag = 1;
gen_peephole2 (desc);
break;
case DEFINE_PEEPHOLE:
have_peephole_flag = 1;
gen_peephole (desc);
break;
default:
break;
backport: Makefile.in (STAGESTUFF): Add *.peephole2. Merge peephole2 from new_ia32_branch: * Makefile.in (STAGESTUFF): Add *.peephole2. (mostlyclean): Likewise. (recog.o): Depend on resource.h. * final.c (peephole): Conditionalize decl on HAVE_peephole. (final_scan_insn): Likewise for the invocation of peephole. * genconfig.c (main): Look for peephole and peephole2 patterns. Emit HAVE_peephole* accordingly. * genpeep.c (main): Conditionalize entire output on HAVE_peephole. * flags.h (flag_peephole2): Declare. * toplev.c: New pass peephole2. New flag -fpeephole2. * genattrtab.c (main): Count DEFINE_PEEPHOLE2. * gencodes.c (main): Likewise. * genextract.c (main): Likewise. * genoutput.c (main): Likewise. * genemit.c (max_operand_1): Look for the max scratch operand. (gen_rtx_scratch): New. (gen_exp): Use it, and pass on new arg subroutine_type. (gen_expand): Take max scratch into account. (gen_split): Emit peephole2 functions. (output_peephole2_scratch): New. (main): Include hard-reg-set.h and resource.h. Handle peephole2. * genrecog.c (routine_type): Add PEEPHOLE2. (IS_SPLIT): New. (make_insn_sequence): Match outer parallel for peep2. Discard top level scratches and dups. (add_to_sequence): New args insn_type and top. Update all callers. Handle toplevel peep2 matching insns. (write_subroutine): Handle peep2. (write_tree_1): Likewise. (write_tree): Likewise. (main): Likewise. (change_state): New arg afterward. Update all callers. Handle matching separate insns. * recog.c (recog_next_insn): New. (peephole2_optimize): New. * rtl.def (DEFINE_PEEPHOLE2): New. * resource.c (find_free_register): New argument last_insn. Use it to find a register available through the entire span. * resource.h (find_free_register): Update prototype. From-SVN: r29015
1999-08-31 22:37:09 +02:00
}
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}
printf ("#define MAX_RECOG_OPERANDS %d\n", max_recog_operands + 1);
printf ("#define MAX_DUP_OPERANDS %d\n", max_dup_operands);
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/* This is conditionally defined, in case the user writes code which emits
more splits than we can readily see (and knows s/he does it). */
printf ("#ifndef MAX_INSNS_PER_SPLIT\n");
printf ("#define MAX_INSNS_PER_SPLIT %d\n", max_insns_per_split);
printf ("#endif\n");
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if (have_cc0_flag)
printf ("#define HAVE_cc0 1\n");
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if (have_cmove_flag)
printf ("#define HAVE_conditional_move 1\n");
if (have_cond_exec_flag)
printf ("#define HAVE_conditional_execution 1\n");
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if (have_lo_sum_flag)
printf ("#define HAVE_lo_sum 1\n");
1991-11-03 15:27:47 +01:00
backport: Makefile.in (STAGESTUFF): Add *.peephole2. Merge peephole2 from new_ia32_branch: * Makefile.in (STAGESTUFF): Add *.peephole2. (mostlyclean): Likewise. (recog.o): Depend on resource.h. * final.c (peephole): Conditionalize decl on HAVE_peephole. (final_scan_insn): Likewise for the invocation of peephole. * genconfig.c (main): Look for peephole and peephole2 patterns. Emit HAVE_peephole* accordingly. * genpeep.c (main): Conditionalize entire output on HAVE_peephole. * flags.h (flag_peephole2): Declare. * toplev.c: New pass peephole2. New flag -fpeephole2. * genattrtab.c (main): Count DEFINE_PEEPHOLE2. * gencodes.c (main): Likewise. * genextract.c (main): Likewise. * genoutput.c (main): Likewise. * genemit.c (max_operand_1): Look for the max scratch operand. (gen_rtx_scratch): New. (gen_exp): Use it, and pass on new arg subroutine_type. (gen_expand): Take max scratch into account. (gen_split): Emit peephole2 functions. (output_peephole2_scratch): New. (main): Include hard-reg-set.h and resource.h. Handle peephole2. * genrecog.c (routine_type): Add PEEPHOLE2. (IS_SPLIT): New. (make_insn_sequence): Match outer parallel for peep2. Discard top level scratches and dups. (add_to_sequence): New args insn_type and top. Update all callers. Handle toplevel peep2 matching insns. (write_subroutine): Handle peep2. (write_tree_1): Likewise. (write_tree): Likewise. (main): Likewise. (change_state): New arg afterward. Update all callers. Handle matching separate insns. * recog.c (recog_next_insn): New. (peephole2_optimize): New. * rtl.def (DEFINE_PEEPHOLE2): New. * resource.c (find_free_register): New argument last_insn. Use it to find a register available through the entire span. * resource.h (find_free_register): Update prototype. From-SVN: r29015
1999-08-31 22:37:09 +02:00
if (have_peephole_flag)
printf ("#define HAVE_peephole 1\n");
backport: Makefile.in (STAGESTUFF): Add *.peephole2. Merge peephole2 from new_ia32_branch: * Makefile.in (STAGESTUFF): Add *.peephole2. (mostlyclean): Likewise. (recog.o): Depend on resource.h. * final.c (peephole): Conditionalize decl on HAVE_peephole. (final_scan_insn): Likewise for the invocation of peephole. * genconfig.c (main): Look for peephole and peephole2 patterns. Emit HAVE_peephole* accordingly. * genpeep.c (main): Conditionalize entire output on HAVE_peephole. * flags.h (flag_peephole2): Declare. * toplev.c: New pass peephole2. New flag -fpeephole2. * genattrtab.c (main): Count DEFINE_PEEPHOLE2. * gencodes.c (main): Likewise. * genextract.c (main): Likewise. * genoutput.c (main): Likewise. * genemit.c (max_operand_1): Look for the max scratch operand. (gen_rtx_scratch): New. (gen_exp): Use it, and pass on new arg subroutine_type. (gen_expand): Take max scratch into account. (gen_split): Emit peephole2 functions. (output_peephole2_scratch): New. (main): Include hard-reg-set.h and resource.h. Handle peephole2. * genrecog.c (routine_type): Add PEEPHOLE2. (IS_SPLIT): New. (make_insn_sequence): Match outer parallel for peep2. Discard top level scratches and dups. (add_to_sequence): New args insn_type and top. Update all callers. Handle toplevel peep2 matching insns. (write_subroutine): Handle peep2. (write_tree_1): Likewise. (write_tree): Likewise. (main): Likewise. (change_state): New arg afterward. Update all callers. Handle matching separate insns. * recog.c (recog_next_insn): New. (peephole2_optimize): New. * rtl.def (DEFINE_PEEPHOLE2): New. * resource.c (find_free_register): New argument last_insn. Use it to find a register available through the entire span. * resource.h (find_free_register): Update prototype. From-SVN: r29015
1999-08-31 22:37:09 +02:00
if (have_peephole2_flag)
{
printf ("#define HAVE_peephole2 1\n");
printf ("#define MAX_INSNS_PER_PEEP2 %d\n", max_insns_per_peep2);
}
backport: Makefile.in (STAGESTUFF): Add *.peephole2. Merge peephole2 from new_ia32_branch: * Makefile.in (STAGESTUFF): Add *.peephole2. (mostlyclean): Likewise. (recog.o): Depend on resource.h. * final.c (peephole): Conditionalize decl on HAVE_peephole. (final_scan_insn): Likewise for the invocation of peephole. * genconfig.c (main): Look for peephole and peephole2 patterns. Emit HAVE_peephole* accordingly. * genpeep.c (main): Conditionalize entire output on HAVE_peephole. * flags.h (flag_peephole2): Declare. * toplev.c: New pass peephole2. New flag -fpeephole2. * genattrtab.c (main): Count DEFINE_PEEPHOLE2. * gencodes.c (main): Likewise. * genextract.c (main): Likewise. * genoutput.c (main): Likewise. * genemit.c (max_operand_1): Look for the max scratch operand. (gen_rtx_scratch): New. (gen_exp): Use it, and pass on new arg subroutine_type. (gen_expand): Take max scratch into account. (gen_split): Emit peephole2 functions. (output_peephole2_scratch): New. (main): Include hard-reg-set.h and resource.h. Handle peephole2. * genrecog.c (routine_type): Add PEEPHOLE2. (IS_SPLIT): New. (make_insn_sequence): Match outer parallel for peep2. Discard top level scratches and dups. (add_to_sequence): New args insn_type and top. Update all callers. Handle toplevel peep2 matching insns. (write_subroutine): Handle peep2. (write_tree_1): Likewise. (write_tree): Likewise. (main): Likewise. (change_state): New arg afterward. Update all callers. Handle matching separate insns. * recog.c (recog_next_insn): New. (peephole2_optimize): New. * rtl.def (DEFINE_PEEPHOLE2): New. * resource.c (find_free_register): New argument last_insn. Use it to find a register available through the entire span. * resource.h (find_free_register): Update prototype. From-SVN: r29015
1999-08-31 22:37:09 +02:00
puts("\n#endif /* GCC_INSN_CONFIG_H */");
if (ferror (stdout) || fflush (stdout) || fclose (stdout))
return FATAL_EXIT_CODE;
return SUCCESS_EXIT_CODE;
1991-11-03 15:27:47 +01:00
}
/* Define this so we can link with print-rtl.o to get debug_rtx function. */
const char *
get_insn_name (code)
int code ATTRIBUTE_UNUSED;
{
return NULL;
}