c7131fb2b5
2015-07-07 Andrew MacLeod <amacleod@redhat.com> * tree-core.h: Include symtab.h. * rtl.h: Include hard-reg-set.h but not flags.h. (HARD_CONST): Remove condition compilation involving HARD_CONST since hard-reg-set.h is always included. * regs.h: Don't include hard-reg-set.h or rtl.h. * cfg.h: Include dominance.h. * gimple.h: Include tree-ssa-alias.h and gimple-expr.h. * backend.h: New. Aggregate commonly used backend header files. * gimple-ssa.h: Don't include tree-hasher.h. * ssa.h: New. Aggregate commonly used SSA header files. * regset.h: Remove bitmap.h and hard-reg-set.h #includes. * sel-sched-ir.h: Flatten includes. * lra-int.h: Flatten completely. * sel-sched-dump.h: Flatten includes. * ira-int.h: Flatten includes. * gimple-streamer.h: Remove all includes. * cfgloop.h: Remove all #includes except cfgloopmanip.h. * resource.h: Flatten hard-reg-set.h and df.h. * sched-int.h: Flatten insn-arrt.h and df.h. * valtrack.h: flatten bitmap.h, df.h, and rtl.h * df.h: Flatten includes, leaving regset.h, alloc-pool.h and timevar.h. * genattrtab.c (write_header): Adjust generated includes. * genautomata.c (main): Likewise. * genconditions.c (write-header): Likewise. * genemit.c (main): Likewise. * gengtype.c (open_base_files): Likewise. * genopinit.c (main): Likewise. * genoutput.c (output_prologue): Likewise. * genpeep.c (main): Likewise. * genpreds.c (write_insn_preds_c): Likewise. * genrecog.c (write_header): Likewise. * alias.c: Adjust includes. * asan.c: Likewise. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * auto-profile.c: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * ccmp.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgbuild.c: Likewise. * cfgcleanup.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfgloop.c: Likewise. * cfgloopanal.c: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraphbuild.c: Likewise. * cgraphclones.c: Likewise. * cgraphunit.c: Likewise. * cilk-common.c: Likewise. * combine-stack-adj.c: Likewise. * combine.c: Likewise. * compare-elim.c: Likewise. * convert.c: Likewise. * coverage.c: Likewise. * cppbuiltin.c: Likewise. * cprop.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * data-streamer-in.c: Likewise. * data-streamer-out.c: Likewise. * data-streamer.c: Likewise. * dbxout.c: Likewise. * dce.c: Likewise. * ddg.c: Likewise. * debug.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * dfp.c: Likewise. * dojump.c: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * double-int.c: Likewise. * dse.c: Likewise. * dumpfile.c: Likewise. * dwarf2asm.c: Likewise. * dwarf2cfi.c: Likewise. * dwarf2out.c: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * except.c: Likewise. * explow.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * final.c: Likewise. * fixed-value.c: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * fwprop.c: Likewise. * gcc-plugin.h: Likewise. * gcse-common.c: Likewise. * gcse.c: Likewise. * generic-match-head.c: Likewise. * ggc-page.c: Likewise. * gimple-builder.c: Likewise. * gimple-expr.c: Likewise. * gimple-fold.c: Likewise. * gimple-iterator.c: Likewise. * gimple-low.c: Likewise. * gimple-match-head.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. * gimple-walk.c: Likewise. * gimple.c: Likewise. * gimplify-me.c: Likewise. * gimplify.c: Likewise. * godump.c: Likewise. * graph.c: Likewise. * graphite-blocking.c: Likewise. * graphite-dependences.c: Likewise. * graphite-interchange.c: Likewise. * graphite-isl-ast-to-gimple.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. * haifa-sched.c: Likewise. * hw-doloop.c: Likewise. * ifcvt.c: Likewise. * init-regs.c: Likewise. * internal-fn.c: Likewise. * ipa-chkp.c: Likewise. * ipa-comdats.c: Likewise. * ipa-cp.c: Likewise. * ipa-devirt.c: Likewise. * ipa-icf-gimple.c: Likewise. * ipa-icf.c: Likewise. * ipa-inline-analysis.c: Likewise. * ipa-inline-transform.c: Likewise. * ipa-inline.c: Likewise. * ipa-polymorphic-call.c: Likewise. * ipa-profile.c: Likewise. * ipa-prop.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-ref.c: Likewise. * ipa-reference.c: Likewise. * ipa-split.c: Likewise. * ipa-utils.c: Likewise. * ipa-visibility.c: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-emit.c: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * jump.c: Likewise. * langhooks.c: Likewise. * lcm.c: Likewise. * loop-doloop.c: Likewise. * loop-init.c: Likewise. * loop-invariant.c: Likewise. * loop-iv.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lra-assigns.c: Likewise. * lra-coalesce.c: Likewise. * lra-constraints.c: Likewise. * lra-eliminations.c: Likewise. * lra-lives.c: Likewise. * lra-remat.c: Likewise. * lra-spills.c: Likewise. * lra.c: Likewise. * lto-cgraph.c: Likewise. * lto-compress.c: Likewise. * lto-opts.c: Likewise. * lto-section-in.c: Likewise. * lto-section-out.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * mcf.c: Likewise. * mode-switching.c: Likewise. * modulo-sched.c: Likewise. * omega.c: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * opts-global.c: Likewise. * passes.c: Likewise. * plugin.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * real.c: Likewise. * realmpfr.c: Likewise. * recog.c: Likewise. * ree.c: Likewise. * reg-stack.c: Likewise. * regcprop.c: Likewise. * reginfo.c: Likewise. * regrename.c: Likewise. * regstat.c: Likewise. * reload.c: Likewise. * reload1.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * rtl-chkp.c: Likewise. * rtlanal.c: Likewise. * rtlhooks.c: Likewise. * sanopt.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-rgn.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-ir.c: Likewise. * sel-sched.c: Likewise. * sese.c: Likewise. * shrink-wrap.c: Likewise. * simplify-rtx.c: Likewise. * stack-ptr-mod.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * stringpool.c: Likewise. * symtab.c: Likewise. * target-globals.c: Likewise. * targhooks.c: Likewise. * toplev.c: Likewise. * tracer.c: Likewise. * trans-mem.c: Likewise. * tree-affine.c: Likewise. * tree-browser.c: Likewise. * tree-call-cdce.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chkp-opt.c: Likewise. * tree-chkp.c: Likewise. * tree-chrec.c: Likewise. * tree-complex.c: Likewise. * tree-data-ref.c: Likewise. * tree-dfa.c: Likewise. * tree-diagnostic.c: Likewise. * tree-dump.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-iterator.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-phinodes.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.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-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-unswitch.c: Likewise. * tree-ssa-loop.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-scopedtables.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-ssanames.c: Likewise. * tree-stdarg.c: Likewise. * tree-streamer-in.c: Likewise. * tree-streamer-out.c: Likewise. * tree-streamer.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. * ubsan.c: Likewise. * valtrack.c: Likewise. * value-prof.c: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * varpool.c: Likewise. * vmsdbgout.c: Likewise. * vtable-verify.c: Likewise. * web.c: Likewise. * wide-int.cc: Likewise. * xcoffout.c: Likewise. * config/aarch64/aarch64-builtins.c: Likewise. * config/aarch64/aarch64.c: Likewise. * config/aarch64/cortex-a57-fma-steering.c: Likewise. * config/alpha/alpha.c: Likewise. * config/arc/arc.c: Likewise. * config/arm/aarch-common.c: Likewise. * config/arm/arm-builtins.c: Likewise. * config/arm/arm-c.c: Likewise. * config/arm/arm.c: Likewise. * config/avr/avr-c.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.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/ft32/ft32.c: Likewise. * config/h8300/h8300.c: Likewise. * config/i386/i386-c.c: Likewise. * config/i386/i386.c: Likewise. * config/i386/msformat-c.c: Likewise. * config/i386/winnt-cxx.c: Likewise. * config/i386/winnt-stubs.c: Likewise. * config/i386/winnt.c: Likewise. * config/ia64/ia64-c.c: Likewise. * config/ia64/ia64.c: Likewise. * config/iq2000/iq2000.c: Likewise. * config/lm32/lm32.c: Likewise. * config/m32c/m32c-pragma.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.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.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/nvptx/nvptx.c: Likewise. * config/pa/pa.c: Likewise. * config/pdp11/pdp11.c: Likewise. * config/rl78/rl78-c.c: Likewise. * config/rl78/rl78.c: Likewise. * config/rs6000/rs6000-c.c: Likewise. * config/rs6000/rs6000.c: Likewise. * config/rx/rx.c: Likewise. * config/s390/s390-c.c: Likewise. * config/s390/s390.c: Likewise. * config/sh/sh-c.c: Likewise. * config/sh/sh-mem.cc: Likewise. * config/sh/sh.c: Likewise. * config/sh/sh_optimize_sett_clrt.cc: Likewise. * config/sh/sh_treg_combine.cc: Likewise. * config/sol2-c.c: Likewise. * config/sol2-cxx.c: Likewise. * config/sol2-stubs.c: Likewise. * config/sol2.c: Likewise. * config/sparc/sparc-c.c: Likewise. * config/sparc/sparc.c: Likewise. * config/spu/spu-c.c: Likewise. * config/spu/spu.c: Likewise. * config/stormy16/stormy16.c: Likewise. * config/tilegx/mul-tables.c: Likewise. * config/tilegx/tilegx-c.c: Likewise. * config/tilegx/tilegx.c: Likewise. * config/tilepro/mul-tables.c: Likewise. * config/tilepro/tilepro-c.c: Likewise. * config/tilepro/tilepro.c: Likewise. * config/v850/v850-c.c: Likewise. * config/v850/v850.c: Likewise. * config/vax/vax.c: Likewise. * config/visium/visium.c: Likewise. * config/vms/vms-c.c: Likewise. * config/vms/vms.c: Likewise. * config/vxworks.c: Likewise. * config/xtensa/xtensa.c: Likewise. ada 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * gcc-interface/cuintp.c: Adjust includes. * gcc-interface/decl.c: Likewise. * gcc-interface/misc.c: Likewise. * gcc-interface/targtyps.c: Likewise. * gcc-interface/trans.c: Likewise. * gcc-interface/utils.c: Likewise. * gcc-interface/utils2.c: Likewise. c 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * c-array-notation.c: Adjust includes. * c-aux-info.c: Likewise. * c-convert.c: Likewise. * c-decl.c: Likewise. * c-errors.c: Likewise. * c-lang.c: Likewise. * c-objc-common.c: Likewise. * c-parser.c: Likewise. * c-typeck.c: Likewise. c-family 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * array-notation-common.c: Adjust includes. * c-ada-spec.c: Likewise. * c-cilkplus.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-dump.c: Likewise. * c-format.c: Likewise. * c-gimplify.c: Likewise. * c-indentation.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-pch.c: Likewise. * c-ppoutput.c: Likewise. * c-pragma.c: Likewise. * c-pretty-print.c: Likewise. * c-semantics.c: Likewise. * c-ubsan.c: Likewise. * cilk.c: Likewise. * stub-objc.c: Likewise. cp 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * call.c: Adjust includes. * class.c: Likewise. * constexpr.c: Likewise. * cp-array-notation.c: Likewise. * cp-gimplify.c: Likewise. * cp-lang.c: Likewise. * cp-objcp-common.c: Likewise. * cp-ubsan.c: Likewise. * cvt.c: Likewise. * decl.c: Likewise. * decl2.c: Likewise. * dump.c: Likewise. * error.c: Likewise. * except.c: Likewise. * expr.c: Likewise. * friend.c: Likewise. * init.c: Likewise. * lambda.c: Likewise. * lex.c: Likewise. * mangle.c: Likewise. * method.c: Likewise. * name-lookup.c: Likewise. * optimize.c: Likewise. * parser.c: Likewise. * pt.c: Likewise. * ptree.c: Likewise. * repo.c: Likewise. * rtti.c: Likewise. * search.c: Likewise. * semantics.c: Likewise. * tree.c: Likewise. * typeck.c: Likewise. * typeck2.c: Likewise. fortran 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * convert.c: Adjust includes. * cpp.c: Likewise. * decl.c: Likewise. * f95-lang.c: Likewise. * iresolve.c: Likewise. * match.c: Likewise. * module.c: Likewise. * options.c: Likewise. * target-memory.c: Likewise. * trans-array.c: Likewise. * trans-common.c: Likewise. * trans-const.c: Likewise. * trans-decl.c: Likewise. * trans-expr.c: Likewise. * trans-intrinsic.c: Likewise. * trans-io.c: Likewise. * trans-openmp.c: Likewise. * trans-stmt.c: Likewise. * trans-types.c: Likewise. * trans.c: Likewise. go 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * go-backend.c: Adjust includes. * go-gcc.cc: Likewise. * go-lang.c: Likewise. java 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * boehm.c: Adjust includes. * builtins.c: Likewise. * class.c: Likewise. * constants.c: Likewise. * decl.c: Likewise. * except.c: Likewise. * expr.c: Likewise. * java-gimplify.c: Likewise. * jcf-dump.c: Likewise. * jcf-io.c: Likewise. * jcf-parse.c: Likewise. * jvgenmain.c: Likewise. * lang.c: Likewise. * mangle.c: Likewise. * mangle_name.c: Likewise. * resource.c: Likewise. * typeck.c: Likewise. * verify-glue.c: Likewise. jit 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * dummy-frontend.c: Adjust includes. * jit-common.h: Likewise. * jit-playback.c: Likewise. lto 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * lto-lang.c: Adjust includes. * lto-object.c: Likewise. * lto-partition.c: Likewise. * lto-symtab.c: Likewise. * lto.c: Likewise. objc 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * objc-act.c: Adjust includes. * objc-encoding.c: Likewise. * objc-gnu-runtime-abi-01.c: Likewise. * objc-lang.c: Likewise. * objc-map.c: Likewise. * objc-next-runtime-abi-01.c: Likewise. * objc-next-runtime-abi-02.c: Likewise. * objc-runtime-shared-support.c: Likewise. objcp 2015-07-07 Andrew MacLeod <amacleod@redhat.com> * objcp-decl.c: Adjust includes. * objcp-lang.c: Likewise. From-SVN: r225531
140 lines
4.5 KiB
C
140 lines
4.5 KiB
C
/* Infrastructure for tracking user variable locations and values
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throughout compilation.
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Copyright (C) 2010-2015 Free Software Foundation, Inc.
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Contributed by Alexandre Oliva <aoliva@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 it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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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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#ifndef GCC_VALTRACK_H
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#define GCC_VALTRACK_H
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/* Debug uses of dead regs. */
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/* Entry that maps a dead pseudo (REG) used in a debug insns that dies
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at different blocks to the debug temp (DTEMP) it was replaced
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with. */
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struct dead_debug_global_entry
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{
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rtx reg;
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rtx dtemp;
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};
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/* Descriptor for hash_table to hash by dead_debug_global_entry's REG
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and map to DTEMP. */
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struct dead_debug_hash_descr : free_ptr_hash <dead_debug_global_entry>
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{
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/* Hash on the pseudo number. */
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static inline hashval_t hash (const dead_debug_global_entry *my);
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/* Entries are identical if they refer to the same pseudo. */
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static inline bool equal (const dead_debug_global_entry *my,
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const dead_debug_global_entry *other);
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};
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/* Hash on the pseudo number. */
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inline hashval_t
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dead_debug_hash_descr::hash (const dead_debug_global_entry *my)
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{
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return REGNO (my->reg);
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}
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/* Entries are identical if they refer to the same pseudo. */
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inline bool
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dead_debug_hash_descr::equal (const dead_debug_global_entry *my,
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const dead_debug_global_entry *other)
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{
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return my->reg == other->reg;
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}
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/* Maintain a global table of pseudos used in debug insns after their
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deaths in other blocks, and debug temps their deathpoint values are
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to be bound to. */
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struct dead_debug_global
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{
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/* This hash table that maps pseudos to debug temps. */
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hash_table<dead_debug_hash_descr> *htab;
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/* For each entry in htab, the bit corresponding to its REGNO will
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be set. */
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bitmap used;
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};
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/* Node of a linked list of uses of dead REGs in debug insns. */
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struct dead_debug_use
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{
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df_ref use;
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struct dead_debug_use *next;
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};
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/* Linked list of the above, with a bitmap of the REGs in the
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list. */
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struct dead_debug_local
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{
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/* The first dead_debug_use entry in the list. */
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struct dead_debug_use *head;
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/* A pointer to the global tracking data structure. */
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struct dead_debug_global *global;
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/* A bitmap that has bits set for each REG used in the
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dead_debug_use list, and for each entry in the global hash
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table. */
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bitmap used;
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/* A bitmap that has bits set for each INSN that is to be
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rescanned. */
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bitmap to_rescan;
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};
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/* This type controls the behavior of dead_debug_insert_temp WRT
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UREGNO and INSN. */
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enum debug_temp_where
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{
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/* Bind a newly-created debug temporary to a REG for UREGNO, and
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|
insert the debug insn before INSN. REG is expected to die at
|
|
INSN. */
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|
DEBUG_TEMP_BEFORE_WITH_REG = -1,
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|
/* Bind a newly-created debug temporary to the value INSN stores
|
|
in REG, and insert the debug insn before INSN. */
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|
DEBUG_TEMP_BEFORE_WITH_VALUE = 0,
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|
/* Bind a newly-created debug temporary to a REG for UREGNO, and
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|
insert the debug insn after INSN. REG is expected to be set at
|
|
INSN. */
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|
DEBUG_TEMP_AFTER_WITH_REG = 1,
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|
/* Like DEBUG_TEMP_AFTER_WITH_REG, but force addition of a debug
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|
temporary even if there is just a single debug use. This is used
|
|
on regs that are becoming REG_DEAD on INSN and so uses of the
|
|
reg later on are invalid. */
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|
DEBUG_TEMP_AFTER_WITH_REG_FORCE = 2
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|
};
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|
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extern void dead_debug_global_init (struct dead_debug_global *, bitmap);
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|
extern void dead_debug_global_finish (struct dead_debug_global *, bitmap);
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|
extern void dead_debug_local_init (struct dead_debug_local *, bitmap,
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|
struct dead_debug_global *);
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|
extern void dead_debug_local_finish (struct dead_debug_local *, bitmap);
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|
extern void dead_debug_add (struct dead_debug_local *, df_ref, unsigned int);
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|
extern int dead_debug_insert_temp (struct dead_debug_local *,
|
|
unsigned int uregno, rtx_insn *insn,
|
|
enum debug_temp_where);
|
|
|
|
extern void propagate_for_debug (rtx_insn *, rtx_insn *, rtx, rtx, basic_block);
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|
|
|
|
|
#endif /* GCC_VALTRACK_H */
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