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authorMartin Liska <mliska@suse.cz>2022-01-14 16:56:44 +0100
committerMartin Liska <mliska@suse.cz>2022-01-17 22:12:04 +0100
commit5c69acb32329d49e58c26fa41ae74229a52b9106 (patch)
treeddb05f9d73afb6f998457d2ac4b720e3b3b60483 /gcc/regcprop.c
parent490e23032baaece71f2ec09fa1805064b150fbc2 (diff)
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Rename .c files to .cc files.
gcc/ada/ChangeLog: * adadecode.c: Moved to... * adadecode.cc: ...here. * affinity.c: Moved to... * affinity.cc: ...here. * argv-lynxos178-raven-cert.c: Moved to... * argv-lynxos178-raven-cert.cc: ...here. * argv.c: Moved to... * argv.cc: ...here. * aux-io.c: Moved to... * aux-io.cc: ...here. * cio.c: Moved to... * cio.cc: ...here. * cstreams.c: Moved to... * cstreams.cc: ...here. * env.c: Moved to... * env.cc: ...here. * exit.c: Moved to... * exit.cc: ...here. * expect.c: Moved to... * expect.cc: ...here. * final.c: Moved to... * final.cc: ...here. * gcc-interface/cuintp.c: Moved to... * gcc-interface/cuintp.cc: ...here. * gcc-interface/decl.c: Moved to... * gcc-interface/decl.cc: ...here. * gcc-interface/misc.c: Moved to... * gcc-interface/misc.cc: ...here. * gcc-interface/targtyps.c: Moved to... * gcc-interface/targtyps.cc: ...here. * gcc-interface/trans.c: Moved to... * gcc-interface/trans.cc: ...here. * gcc-interface/utils.c: Moved to... * gcc-interface/utils.cc: ...here. * gcc-interface/utils2.c: Moved to... * gcc-interface/utils2.cc: ...here. * init.c: Moved to... * init.cc: ...here. * initialize.c: Moved to... * initialize.cc: ...here. * libgnarl/thread.c: Moved to... * libgnarl/thread.cc: ...here. * link.c: Moved to... * link.cc: ...here. * locales.c: Moved to... * locales.cc: ...here. * mkdir.c: Moved to... * mkdir.cc: ...here. * raise.c: Moved to... * raise.cc: ...here. * rtfinal.c: Moved to... * rtfinal.cc: ...here. * rtinit.c: Moved to... * rtinit.cc: ...here. * seh_init.c: Moved to... * seh_init.cc: ...here. * sigtramp-armdroid.c: Moved to... * sigtramp-armdroid.cc: ...here. * sigtramp-ios.c: Moved to... * sigtramp-ios.cc: ...here. * sigtramp-qnx.c: Moved to... * sigtramp-qnx.cc: ...here. * sigtramp-vxworks.c: Moved to... * sigtramp-vxworks.cc: ...here. * socket.c: Moved to... * socket.cc: ...here. * tracebak.c: Moved to... * tracebak.cc: ...here. * version.c: Moved to... * version.cc: ...here. * vx_stack_info.c: Moved to... * vx_stack_info.cc: ...here. gcc/ChangeLog: * adjust-alignment.c: Moved to... * adjust-alignment.cc: ...here. * alias.c: Moved to... * alias.cc: ...here. * alloc-pool.c: Moved to... * alloc-pool.cc: ...here. * asan.c: Moved to... * asan.cc: ...here. * attribs.c: Moved to... * attribs.cc: ...here. * auto-inc-dec.c: Moved to... * auto-inc-dec.cc: ...here. * auto-profile.c: Moved to... * auto-profile.cc: ...here. * bb-reorder.c: Moved to... * bb-reorder.cc: ...here. * bitmap.c: Moved to... * bitmap.cc: ...here. * btfout.c: Moved to... * btfout.cc: ...here. * builtins.c: Moved to... * builtins.cc: ...here. * caller-save.c: Moved to... * caller-save.cc: ...here. * calls.c: Moved to... * calls.cc: ...here. * ccmp.c: Moved to... * ccmp.cc: ...here. * cfg.c: Moved to... * cfg.cc: ...here. * cfganal.c: Moved to... * cfganal.cc: ...here. * cfgbuild.c: Moved to... * cfgbuild.cc: ...here. * cfgcleanup.c: Moved to... * cfgcleanup.cc: ...here. * cfgexpand.c: Moved to... * cfgexpand.cc: ...here. * cfghooks.c: Moved to... * cfghooks.cc: ...here. * cfgloop.c: Moved to... * cfgloop.cc: ...here. * cfgloopanal.c: Moved to... * cfgloopanal.cc: ...here. * cfgloopmanip.c: Moved to... * cfgloopmanip.cc: ...here. * cfgrtl.c: Moved to... * cfgrtl.cc: ...here. * cgraph.c: Moved to... * cgraph.cc: ...here. * cgraphbuild.c: Moved to... * cgraphbuild.cc: ...here. * cgraphclones.c: Moved to... * cgraphclones.cc: ...here. * cgraphunit.c: Moved to... * cgraphunit.cc: ...here. * collect-utils.c: Moved to... * collect-utils.cc: ...here. * collect2-aix.c: Moved to... * collect2-aix.cc: ...here. * collect2.c: Moved to... * collect2.cc: ...here. * combine-stack-adj.c: Moved to... * combine-stack-adj.cc: ...here. * combine.c: Moved to... * combine.cc: ...here. * common/common-targhooks.c: Moved to... * common/common-targhooks.cc: ...here. * common/config/aarch64/aarch64-common.c: Moved to... * common/config/aarch64/aarch64-common.cc: ...here. * common/config/alpha/alpha-common.c: Moved to... * common/config/alpha/alpha-common.cc: ...here. * common/config/arc/arc-common.c: Moved to... * common/config/arc/arc-common.cc: ...here. * common/config/arm/arm-common.c: Moved to... * common/config/arm/arm-common.cc: ...here. * common/config/avr/avr-common.c: Moved to... * common/config/avr/avr-common.cc: ...here. * common/config/bfin/bfin-common.c: Moved to... * common/config/bfin/bfin-common.cc: ...here. * common/config/bpf/bpf-common.c: Moved to... * common/config/bpf/bpf-common.cc: ...here. * common/config/c6x/c6x-common.c: Moved to... * common/config/c6x/c6x-common.cc: ...here. * common/config/cr16/cr16-common.c: Moved to... * common/config/cr16/cr16-common.cc: ...here. * common/config/cris/cris-common.c: Moved to... * common/config/cris/cris-common.cc: ...here. * common/config/csky/csky-common.c: Moved to... * common/config/csky/csky-common.cc: ...here. * common/config/default-common.c: Moved to... * common/config/default-common.cc: ...here. * common/config/epiphany/epiphany-common.c: Moved to... * common/config/epiphany/epiphany-common.cc: ...here. * common/config/fr30/fr30-common.c: Moved to... * common/config/fr30/fr30-common.cc: ...here. * common/config/frv/frv-common.c: Moved to... * common/config/frv/frv-common.cc: ...here. * common/config/gcn/gcn-common.c: Moved to... * common/config/gcn/gcn-common.cc: ...here. * common/config/h8300/h8300-common.c: Moved to... * common/config/h8300/h8300-common.cc: ...here. * common/config/i386/i386-common.c: Moved to... * common/config/i386/i386-common.cc: ...here. * common/config/ia64/ia64-common.c: Moved to... * common/config/ia64/ia64-common.cc: ...here. * common/config/iq2000/iq2000-common.c: Moved to... * common/config/iq2000/iq2000-common.cc: ...here. * common/config/lm32/lm32-common.c: Moved to... * common/config/lm32/lm32-common.cc: ...here. * common/config/m32r/m32r-common.c: Moved to... * common/config/m32r/m32r-common.cc: ...here. * common/config/m68k/m68k-common.c: Moved 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config/msp430/msp430.c: Moved to... * config/msp430/msp430.cc: ...here. * config/nds32/nds32-cost.c: Moved to... * config/nds32/nds32-cost.cc: ...here. * config/nds32/nds32-fp-as-gp.c: Moved to... * config/nds32/nds32-fp-as-gp.cc: ...here. * config/nds32/nds32-intrinsic.c: Moved to... * config/nds32/nds32-intrinsic.cc: ...here. * config/nds32/nds32-isr.c: Moved to... * config/nds32/nds32-isr.cc: ...here. * config/nds32/nds32-md-auxiliary.c: Moved to... * config/nds32/nds32-md-auxiliary.cc: ...here. * config/nds32/nds32-memory-manipulation.c: Moved to... * config/nds32/nds32-memory-manipulation.cc: ...here. * config/nds32/nds32-pipelines-auxiliary.c: Moved to... * config/nds32/nds32-pipelines-auxiliary.cc: ...here. * config/nds32/nds32-predicates.c: Moved to... * config/nds32/nds32-predicates.cc: ...here. * config/nds32/nds32-relax-opt.c: Moved to... * config/nds32/nds32-relax-opt.cc: ...here. * config/nds32/nds32-utils.c: Moved to... * config/nds32/nds32-utils.cc: ...here. * config/nds32/nds32.c: Moved to... * config/nds32/nds32.cc: ...here. * config/netbsd-d.c: Moved to... * config/netbsd-d.cc: ...here. * config/netbsd.c: Moved to... * config/netbsd.cc: ...here. * config/nios2/nios2.c: Moved to... * config/nios2/nios2.cc: ...here. * config/nvptx/mkoffload.c: Moved to... * config/nvptx/mkoffload.cc: ...here. * config/nvptx/nvptx-c.c: Moved to... * config/nvptx/nvptx-c.cc: ...here. * config/nvptx/nvptx.c: Moved to... * config/nvptx/nvptx.cc: ...here. * config/openbsd-d.c: Moved to... * config/openbsd-d.cc: ...here. * config/or1k/or1k.c: Moved to... * config/or1k/or1k.cc: ...here. * config/pa/pa-d.c: Moved to... * config/pa/pa-d.cc: ...here. * config/pa/pa.c: Moved to... * config/pa/pa.cc: ...here. * config/pdp11/pdp11.c: Moved to... * config/pdp11/pdp11.cc: ...here. * config/pru/pru-passes.c: Moved to... * config/pru/pru-passes.cc: ...here. * config/pru/pru-pragma.c: Moved to... * config/pru/pru-pragma.cc: ...here. * config/pru/pru.c: Moved to... * config/pru/pru.cc: ...here. * config/riscv/riscv-builtins.c: Moved to... * config/riscv/riscv-builtins.cc: ...here. * config/riscv/riscv-c.c: Moved to... * config/riscv/riscv-c.cc: ...here. * config/riscv/riscv-d.c: Moved to... * config/riscv/riscv-d.cc: ...here. * config/riscv/riscv-shorten-memrefs.c: Moved to... * config/riscv/riscv-shorten-memrefs.cc: ...here. * config/riscv/riscv-sr.c: Moved to... * config/riscv/riscv-sr.cc: ...here. * config/riscv/riscv.c: Moved to... * config/riscv/riscv.cc: ...here. * config/rl78/rl78-c.c: Moved to... * config/rl78/rl78-c.cc: ...here. * config/rl78/rl78.c: Moved to... * config/rl78/rl78.cc: ...here. * config/rs6000/driver-rs6000.c: Moved to... * config/rs6000/driver-rs6000.cc: ...here. * config/rs6000/host-darwin.c: Moved to... * config/rs6000/host-darwin.cc: ...here. * config/rs6000/host-ppc64-darwin.c: Moved to... * config/rs6000/host-ppc64-darwin.cc: ...here. * config/rs6000/rbtree.c: Moved to... * config/rs6000/rbtree.cc: ...here. * config/rs6000/rs6000-c.c: Moved to... * config/rs6000/rs6000-c.cc: ...here. * config/rs6000/rs6000-call.c: Moved to... * config/rs6000/rs6000-call.cc: ...here. * config/rs6000/rs6000-d.c: Moved to... * config/rs6000/rs6000-d.cc: ...here. * config/rs6000/rs6000-gen-builtins.c: Moved to... * config/rs6000/rs6000-gen-builtins.cc: ...here. * config/rs6000/rs6000-linux.c: Moved to... * config/rs6000/rs6000-linux.cc: ...here. * config/rs6000/rs6000-logue.c: Moved to... * config/rs6000/rs6000-logue.cc: ...here. * config/rs6000/rs6000-p8swap.c: Moved to... * config/rs6000/rs6000-p8swap.cc: ...here. * config/rs6000/rs6000-pcrel-opt.c: Moved to... * config/rs6000/rs6000-pcrel-opt.cc: ...here. * config/rs6000/rs6000-string.c: Moved to... * config/rs6000/rs6000-string.cc: ...here. * config/rs6000/rs6000.c: Moved to... * config/rs6000/rs6000.cc: ...here. * config/rx/rx.c: Moved to... * config/rx/rx.cc: ...here. * config/s390/driver-native.c: Moved to... * config/s390/driver-native.cc: ...here. * config/s390/s390-c.c: Moved to... * config/s390/s390-c.cc: ...here. * config/s390/s390-d.c: Moved to... * config/s390/s390-d.cc: ...here. * config/s390/s390.c: Moved to... * config/s390/s390.cc: ...here. * config/sh/divtab-sh4-300.c: Moved to... * config/sh/divtab-sh4-300.cc: ...here. * config/sh/divtab-sh4.c: Moved to... * config/sh/divtab-sh4.cc: ...here. * config/sh/divtab.c: Moved to... * config/sh/divtab.cc: ...here. * config/sh/sh-c.c: Moved to... * config/sh/sh-c.cc: ...here. * config/sh/sh.c: Moved to... * config/sh/sh.cc: ...here. * config/sol2-c.c: Moved to... * config/sol2-c.cc: ...here. * config/sol2-cxx.c: Moved to... * config/sol2-cxx.cc: ...here. * config/sol2-d.c: Moved to... * config/sol2-d.cc: ...here. * config/sol2-stubs.c: Moved to... * config/sol2-stubs.cc: ...here. * config/sol2.c: Moved to... * config/sol2.cc: ...here. * config/sparc/driver-sparc.c: Moved to... * config/sparc/driver-sparc.cc: ...here. * config/sparc/sparc-c.c: Moved to... * config/sparc/sparc-c.cc: ...here. * config/sparc/sparc-d.c: Moved to... * config/sparc/sparc-d.cc: ...here. * config/sparc/sparc.c: Moved to... * config/sparc/sparc.cc: ...here. * config/stormy16/stormy16.c: Moved to... * config/stormy16/stormy16.cc: ...here. * config/tilegx/mul-tables.c: Moved to... * config/tilegx/mul-tables.cc: ...here. * config/tilegx/tilegx-c.c: Moved to... * config/tilegx/tilegx-c.cc: ...here. * config/tilegx/tilegx.c: Moved to... * config/tilegx/tilegx.cc: ...here. * config/tilepro/mul-tables.c: Moved to... * config/tilepro/mul-tables.cc: ...here. * config/tilepro/tilepro-c.c: Moved to... * config/tilepro/tilepro-c.cc: ...here. * config/tilepro/tilepro.c: Moved to... * config/tilepro/tilepro.cc: ...here. * config/v850/v850-c.c: Moved to... * config/v850/v850-c.cc: ...here. * config/v850/v850.c: Moved to... * config/v850/v850.cc: ...here. * config/vax/vax.c: Moved to... * config/vax/vax.cc: ...here. * config/visium/visium.c: Moved to... * config/visium/visium.cc: ...here. * config/vms/vms-c.c: Moved to... * config/vms/vms-c.cc: ...here. * config/vms/vms-f.c: Moved to... * config/vms/vms-f.cc: ...here. * config/vms/vms.c: Moved to... * config/vms/vms.cc: ...here. * config/vxworks-c.c: Moved to... * config/vxworks-c.cc: ...here. * config/vxworks.c: Moved to... * config/vxworks.cc: ...here. * config/winnt-c.c: Moved to... * config/winnt-c.cc: ...here. * config/xtensa/xtensa.c: Moved to... * config/xtensa/xtensa.cc: ...here. * context.c: Moved to... * context.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * coverage.c: Moved to... * coverage.cc: ...here. * cppbuiltin.c: Moved to... * cppbuiltin.cc: ...here. * cppdefault.c: Moved to... * cppdefault.cc: ...here. * cprop.c: Moved to... * cprop.cc: ...here. * cse.c: Moved to... * cse.cc: ...here. * cselib.c: Moved to... * cselib.cc: ...here. * ctfc.c: Moved to... * ctfc.cc: ...here. * ctfout.c: Moved to... * ctfout.cc: ...here. * data-streamer-in.c: Moved to... * data-streamer-in.cc: ...here. * data-streamer-out.c: Moved to... * data-streamer-out.cc: ...here. * data-streamer.c: Moved to... * data-streamer.cc: ...here. * dbgcnt.c: Moved to... * dbgcnt.cc: ...here. * dbxout.c: Moved to... * dbxout.cc: ...here. * dce.c: Moved to... * dce.cc: ...here. * ddg.c: Moved to... * ddg.cc: ...here. * debug.c: Moved to... * debug.cc: ...here. * df-core.c: Moved to... * df-core.cc: ...here. * df-problems.c: Moved to... * df-problems.cc: ...here. * df-scan.c: Moved to... * df-scan.cc: ...here. * dfp.c: Moved to... * dfp.cc: ...here. * diagnostic-color.c: Moved to... * diagnostic-color.cc: ...here. * diagnostic-show-locus.c: Moved to... * diagnostic-show-locus.cc: ...here. * diagnostic-spec.c: Moved to... * diagnostic-spec.cc: ...here. * diagnostic.c: Moved to... * diagnostic.cc: ...here. * dojump.c: Moved to... * dojump.cc: ...here. * dominance.c: Moved to... * dominance.cc: ...here. * domwalk.c: Moved to... * domwalk.cc: ...here. * double-int.c: Moved to... * double-int.cc: ...here. * dse.c: Moved to... * dse.cc: ...here. * dumpfile.c: Moved to... * dumpfile.cc: ...here. * dwarf2asm.c: Moved to... * dwarf2asm.cc: ...here. * dwarf2cfi.c: Moved to... * dwarf2cfi.cc: ...here. * dwarf2ctf.c: Moved to... * dwarf2ctf.cc: ...here. * dwarf2out.c: Moved to... * dwarf2out.cc: ...here. * early-remat.c: Moved to... * early-remat.cc: ...here. * edit-context.c: Moved to... * edit-context.cc: ...here. * emit-rtl.c: Moved to... * emit-rtl.cc: ...here. * errors.c: Moved to... * errors.cc: ...here. * et-forest.c: Moved to... * et-forest.cc: ...here. * except.c: Moved to... * except.cc: ...here. * explow.c: Moved to... * explow.cc: ...here. * expmed.c: Moved to... * expmed.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * fibonacci_heap.c: Moved to... * fibonacci_heap.cc: ...here. * file-find.c: Moved to... * file-find.cc: ...here. * file-prefix-map.c: Moved to... * file-prefix-map.cc: ...here. * final.c: Moved to... * final.cc: ...here. * fixed-value.c: Moved to... * fixed-value.cc: ...here. * fold-const-call.c: Moved to... * fold-const-call.cc: ...here. * fold-const.c: Moved to... * fold-const.cc: ...here. * fp-test.c: Moved to... * fp-test.cc: ...here. * function-tests.c: Moved to... * function-tests.cc: ...here. * function.c: Moved to... * function.cc: ...here. * fwprop.c: Moved to... * fwprop.cc: ...here. * gcc-ar.c: Moved to... * gcc-ar.cc: ...here. * gcc-main.c: Moved to... * gcc-main.cc: ...here. * gcc-rich-location.c: Moved to... * gcc-rich-location.cc: ...here. * gcc.c: Moved to... * gcc.cc: ...here. * gcov-dump.c: Moved to... * gcov-dump.cc: ...here. * gcov-io.c: Moved to... * gcov-io.cc: ...here. * gcov-tool.c: Moved to... * gcov-tool.cc: ...here. * gcov.c: Moved to... * gcov.cc: ...here. * gcse-common.c: Moved to... * gcse-common.cc: ...here. * gcse.c: Moved to... * gcse.cc: ...here. * genattr-common.c: Moved to... * genattr-common.cc: ...here. * genattr.c: Moved to... * genattr.cc: ...here. * genattrtab.c: Moved to... * genattrtab.cc: ...here. * genautomata.c: Moved to... * genautomata.cc: ...here. * gencfn-macros.c: Moved to... * gencfn-macros.cc: ...here. * gencheck.c: Moved to... * gencheck.cc: ...here. * genchecksum.c: Moved to... * genchecksum.cc: ...here. * gencodes.c: Moved to... * gencodes.cc: ...here. * genconditions.c: Moved to... * genconditions.cc: ...here. * genconfig.c: Moved to... * genconfig.cc: ...here. * genconstants.c: Moved to... * genconstants.cc: ...here. * genemit.c: Moved to... * genemit.cc: ...here. * genenums.c: Moved to... * genenums.cc: ...here. * generic-match-head.c: Moved to... * generic-match-head.cc: ...here. * genextract.c: Moved to... * genextract.cc: ...here. * genflags.c: Moved to... * genflags.cc: ...here. * gengenrtl.c: Moved to... * gengenrtl.cc: ...here. * gengtype-parse.c: Moved to... * gengtype-parse.cc: ...here. * gengtype-state.c: Moved to... * gengtype-state.cc: ...here. * gengtype.c: Moved to... * gengtype.cc: ...here. * genhooks.c: Moved to... * genhooks.cc: ...here. * genmatch.c: Moved to... * genmatch.cc: ...here. * genmddeps.c: Moved to... * genmddeps.cc: ...here. * genmddump.c: Moved to... * genmddump.cc: ...here. * genmodes.c: Moved to... * genmodes.cc: ...here. * genopinit.c: Moved to... * genopinit.cc: ...here. * genoutput.c: Moved to... * genoutput.cc: ...here. * genpeep.c: Moved to... * genpeep.cc: ...here. * genpreds.c: Moved to... * genpreds.cc: ...here. * genrecog.c: Moved to... * genrecog.cc: ...here. * gensupport.c: Moved to... * gensupport.cc: ...here. * gentarget-def.c: Moved to... * gentarget-def.cc: ...here. * genversion.c: Moved to... * genversion.cc: ...here. * ggc-common.c: Moved to... * ggc-common.cc: ...here. * ggc-none.c: Moved to... * ggc-none.cc: ...here. * ggc-page.c: Moved to... * ggc-page.cc: ...here. * ggc-tests.c: Moved to... * ggc-tests.cc: ...here. * gimple-builder.c: Moved to... * gimple-builder.cc: ...here. * gimple-expr.c: Moved to... * gimple-expr.cc: ...here. * gimple-fold.c: Moved to... * gimple-fold.cc: ...here. * gimple-iterator.c: Moved to... * gimple-iterator.cc: ...here. * gimple-laddress.c: Moved to... * gimple-laddress.cc: ...here. * gimple-loop-jam.c: Moved to... * gimple-loop-jam.cc: ...here. * gimple-low.c: Moved to... * gimple-low.cc: ...here. * gimple-match-head.c: Moved to... * gimple-match-head.cc: ...here. * gimple-pretty-print.c: Moved to... * gimple-pretty-print.cc: ...here. * gimple-ssa-backprop.c: Moved to... * gimple-ssa-backprop.cc: ...here. * gimple-ssa-evrp-analyze.c: Moved to... * gimple-ssa-evrp-analyze.cc: ...here. * gimple-ssa-evrp.c: Moved to... * gimple-ssa-evrp.cc: ...here. * gimple-ssa-isolate-paths.c: Moved to... * gimple-ssa-isolate-paths.cc: ...here. * gimple-ssa-nonnull-compare.c: Moved to... * gimple-ssa-nonnull-compare.cc: ...here. * gimple-ssa-split-paths.c: Moved to... * gimple-ssa-split-paths.cc: ...here. * gimple-ssa-sprintf.c: Moved to... * gimple-ssa-sprintf.cc: ...here. * gimple-ssa-store-merging.c: Moved to... * gimple-ssa-store-merging.cc: ...here. * gimple-ssa-strength-reduction.c: Moved to... * gimple-ssa-strength-reduction.cc: ...here. * gimple-ssa-warn-alloca.c: Moved to... * gimple-ssa-warn-alloca.cc: ...here. * gimple-ssa-warn-restrict.c: Moved to... * gimple-ssa-warn-restrict.cc: ...here. * gimple-streamer-in.c: Moved to... * gimple-streamer-in.cc: ...here. * gimple-streamer-out.c: Moved to... * gimple-streamer-out.cc: ...here. * gimple-walk.c: Moved to... * gimple-walk.cc: ...here. * gimple-warn-recursion.c: Moved to... * gimple-warn-recursion.cc: ...here. * gimple.c: Moved to... * gimple.cc: ...here. * gimplify-me.c: Moved to... * gimplify-me.cc: ...here. * gimplify.c: Moved to... * gimplify.cc: ...here. * godump.c: Moved to... * godump.cc: ...here. * graph.c: Moved to... * graph.cc: ...here. * graphds.c: Moved to... * graphds.cc: ...here. * graphite-dependences.c: Moved to... * graphite-dependences.cc: ...here. * graphite-isl-ast-to-gimple.c: Moved to... * graphite-isl-ast-to-gimple.cc: ...here. * graphite-optimize-isl.c: Moved to... * graphite-optimize-isl.cc: ...here. * graphite-poly.c: Moved to... * graphite-poly.cc: ...here. * graphite-scop-detection.c: Moved to... * graphite-scop-detection.cc: ...here. * graphite-sese-to-poly.c: Moved to... * graphite-sese-to-poly.cc: ...here. * graphite.c: Moved to... * graphite.cc: ...here. * haifa-sched.c: Moved to... * haifa-sched.cc: ...here. * hash-map-tests.c: Moved to... * hash-map-tests.cc: ...here. * hash-set-tests.c: Moved to... * hash-set-tests.cc: ...here. * hash-table.c: Moved to... * hash-table.cc: ...here. * hooks.c: Moved to... * hooks.cc: ...here. * host-default.c: Moved to... * host-default.cc: ...here. * hw-doloop.c: Moved to... * hw-doloop.cc: ...here. * hwint.c: Moved to... * hwint.cc: ...here. * ifcvt.c: Moved to... * ifcvt.cc: ...here. * inchash.c: Moved to... * inchash.cc: ...here. * incpath.c: Moved to... * incpath.cc: ...here. * init-regs.c: Moved to... * init-regs.cc: ...here. * input.c: Moved to... * input.cc: ...here. * internal-fn.c: Moved to... * internal-fn.cc: ...here. * intl.c: Moved to... * intl.cc: ...here. * ipa-comdats.c: Moved to... * ipa-comdats.cc: ...here. * ipa-cp.c: Moved to... * ipa-cp.cc: ...here. * ipa-devirt.c: Moved to... * ipa-devirt.cc: ...here. * ipa-fnsummary.c: Moved to... * ipa-fnsummary.cc: ...here. * ipa-icf-gimple.c: Moved to... * ipa-icf-gimple.cc: ...here. * ipa-icf.c: Moved to... * ipa-icf.cc: ...here. * ipa-inline-analysis.c: Moved to... * ipa-inline-analysis.cc: ...here. * ipa-inline-transform.c: Moved to... * ipa-inline-transform.cc: ...here. * ipa-inline.c: Moved to... * ipa-inline.cc: ...here. * ipa-modref-tree.c: Moved to... * ipa-modref-tree.cc: ...here. * ipa-modref.c: Moved to... * ipa-modref.cc: ...here. * ipa-param-manipulation.c: Moved to... * ipa-param-manipulation.cc: ...here. * ipa-polymorphic-call.c: Moved to... * ipa-polymorphic-call.cc: ...here. * ipa-predicate.c: Moved to... * ipa-predicate.cc: ...here. * ipa-profile.c: Moved to... * ipa-profile.cc: ...here. * ipa-prop.c: Moved to... * ipa-prop.cc: ...here. * ipa-pure-const.c: Moved to... * ipa-pure-const.cc: ...here. * ipa-ref.c: Moved to... * ipa-ref.cc: ...here. * ipa-reference.c: Moved to... * ipa-reference.cc: ...here. * ipa-split.c: Moved to... * ipa-split.cc: ...here. * ipa-sra.c: Moved to... * ipa-sra.cc: ...here. * ipa-utils.c: Moved to... * ipa-utils.cc: ...here. * ipa-visibility.c: Moved to... * ipa-visibility.cc: ...here. * ipa.c: Moved to... * ipa.cc: ...here. * ira-build.c: Moved to... * ira-build.cc: ...here. * ira-color.c: Moved to... * ira-color.cc: ...here. * ira-conflicts.c: Moved to... * ira-conflicts.cc: ...here. * ira-costs.c: Moved to... * ira-costs.cc: ...here. * ira-emit.c: Moved to... * ira-emit.cc: ...here. * ira-lives.c: Moved to... * ira-lives.cc: ...here. * ira.c: Moved to... * ira.cc: ...here. * jump.c: Moved to... * jump.cc: ...here. * langhooks.c: Moved to... * langhooks.cc: ...here. * lcm.c: Moved to... * lcm.cc: ...here. * lists.c: Moved to... * lists.cc: ...here. * loop-doloop.c: Moved to... * loop-doloop.cc: ...here. * loop-init.c: Moved to... * loop-init.cc: ...here. * loop-invariant.c: Moved to... * loop-invariant.cc: ...here. * loop-iv.c: Moved to... * loop-iv.cc: ...here. * loop-unroll.c: Moved to... * loop-unroll.cc: ...here. * lower-subreg.c: Moved to... * lower-subreg.cc: ...here. * lra-assigns.c: Moved to... * lra-assigns.cc: ...here. * lra-coalesce.c: Moved to... * lra-coalesce.cc: ...here. * lra-constraints.c: Moved to... * lra-constraints.cc: ...here. * lra-eliminations.c: Moved to... * lra-eliminations.cc: ...here. * lra-lives.c: Moved to... * lra-lives.cc: ...here. * lra-remat.c: Moved to... * lra-remat.cc: ...here. * lra-spills.c: Moved to... * lra-spills.cc: ...here. * lra.c: Moved to... * lra.cc: ...here. * lto-cgraph.c: Moved to... * lto-cgraph.cc: ...here. * lto-compress.c: Moved to... * lto-compress.cc: ...here. * lto-opts.c: Moved to... * lto-opts.cc: ...here. * lto-section-in.c: Moved to... * lto-section-in.cc: ...here. * lto-section-out.c: Moved to... * lto-section-out.cc: ...here. * lto-streamer-in.c: Moved to... * lto-streamer-in.cc: ...here. * lto-streamer-out.c: Moved to... * lto-streamer-out.cc: ...here. * lto-streamer.c: Moved to... * lto-streamer.cc: ...here. * lto-wrapper.c: Moved to... * lto-wrapper.cc: ...here. * main.c: Moved to... * main.cc: ...here. * mcf.c: Moved to... * mcf.cc: ...here. * mode-switching.c: Moved to... * mode-switching.cc: ...here. * modulo-sched.c: Moved to... * modulo-sched.cc: ...here. * multiple_target.c: Moved to... * multiple_target.cc: ...here. * omp-expand.c: Moved to... * omp-expand.cc: ...here. * omp-general.c: Moved to... * omp-general.cc: ...here. * omp-low.c: Moved to... * omp-low.cc: ...here. * omp-offload.c: Moved to... * omp-offload.cc: ...here. * omp-simd-clone.c: Moved to... * omp-simd-clone.cc: ...here. * opt-suggestions.c: Moved to... * opt-suggestions.cc: ...here. * optabs-libfuncs.c: Moved to... * optabs-libfuncs.cc: ...here. * optabs-query.c: Moved to... * optabs-query.cc: ...here. * optabs-tree.c: Moved to... * optabs-tree.cc: ...here. * optabs.c: Moved to... * optabs.cc: ...here. * opts-common.c: Moved to... * opts-common.cc: ...here. * opts-global.c: Moved to... * opts-global.cc: ...here. * opts.c: Moved to... * opts.cc: ...here. * passes.c: Moved to... * passes.cc: ...here. * plugin.c: Moved to... * plugin.cc: ...here. * postreload-gcse.c: Moved to... * postreload-gcse.cc: ...here. * postreload.c: Moved to... * postreload.cc: ...here. * predict.c: Moved to... * predict.cc: ...here. * prefix.c: Moved to... * prefix.cc: ...here. * pretty-print.c: Moved to... * pretty-print.cc: ...here. * print-rtl-function.c: Moved to... * print-rtl-function.cc: ...here. * print-rtl.c: Moved to... * print-rtl.cc: ...here. * print-tree.c: Moved to... * print-tree.cc: ...here. * profile-count.c: Moved to... * profile-count.cc: ...here. * profile.c: Moved to... * profile.cc: ...here. * read-md.c: Moved to... * read-md.cc: ...here. * read-rtl-function.c: Moved to... * read-rtl-function.cc: ...here. * read-rtl.c: Moved to... * read-rtl.cc: ...here. * real.c: Moved to... * real.cc: ...here. * realmpfr.c: Moved to... * realmpfr.cc: ...here. * recog.c: Moved to... * recog.cc: ...here. * ree.c: Moved to... * ree.cc: ...here. * reg-stack.c: Moved to... * reg-stack.cc: ...here. * regcprop.c: Moved to... * regcprop.cc: ...here. * reginfo.c: Moved to... * reginfo.cc: ...here. * regrename.c: Moved to... * regrename.cc: ...here. * regstat.c: Moved to... * regstat.cc: ...here. * reload.c: Moved to... * reload.cc: ...here. * reload1.c: Moved to... * reload1.cc: ...here. * reorg.c: Moved to... * reorg.cc: ...here. * resource.c: Moved to... * resource.cc: ...here. * rtl-error.c: Moved to... * rtl-error.cc: ...here. * rtl-tests.c: Moved to... * rtl-tests.cc: ...here. * rtl.c: Moved to... * rtl.cc: ...here. * rtlanal.c: Moved to... * rtlanal.cc: ...here. * rtlhash.c: Moved to... * rtlhash.cc: ...here. * rtlhooks.c: Moved to... * rtlhooks.cc: ...here. * rtx-vector-builder.c: Moved to... * rtx-vector-builder.cc: ...here. * run-rtl-passes.c: Moved to... * run-rtl-passes.cc: ...here. * sancov.c: Moved to... * sancov.cc: ...here. * sanopt.c: Moved to... * sanopt.cc: ...here. * sbitmap.c: Moved to... * sbitmap.cc: ...here. * sched-deps.c: Moved to... * sched-deps.cc: ...here. * sched-ebb.c: Moved to... * sched-ebb.cc: ...here. * sched-rgn.c: Moved to... * sched-rgn.cc: ...here. * sel-sched-dump.c: Moved to... * sel-sched-dump.cc: ...here. * sel-sched-ir.c: Moved to... * sel-sched-ir.cc: ...here. * sel-sched.c: Moved to... * sel-sched.cc: ...here. * selftest-diagnostic.c: Moved to... * selftest-diagnostic.cc: ...here. * selftest-rtl.c: Moved to... * selftest-rtl.cc: ...here. * selftest-run-tests.c: Moved to... * selftest-run-tests.cc: ...here. * selftest.c: Moved to... * selftest.cc: ...here. * sese.c: Moved to... * sese.cc: ...here. * shrink-wrap.c: Moved to... * shrink-wrap.cc: ...here. * simplify-rtx.c: Moved to... * simplify-rtx.cc: ...here. * sparseset.c: Moved to... * sparseset.cc: ...here. * spellcheck-tree.c: Moved to... * spellcheck-tree.cc: ...here. * spellcheck.c: Moved to... * spellcheck.cc: ...here. * sreal.c: Moved to... * sreal.cc: ...here. * stack-ptr-mod.c: Moved to... * stack-ptr-mod.cc: ...here. * statistics.c: Moved to... * statistics.cc: ...here. * stmt.c: Moved to... * stmt.cc: ...here. * stor-layout.c: Moved to... * stor-layout.cc: ...here. * store-motion.c: Moved to... * store-motion.cc: ...here. * streamer-hooks.c: Moved to... * streamer-hooks.cc: ...here. * stringpool.c: Moved to... * stringpool.cc: ...here. * substring-locations.c: Moved to... * substring-locations.cc: ...here. * symtab.c: Moved to... * symtab.cc: ...here. * target-globals.c: Moved to... * target-globals.cc: ...here. * targhooks.c: Moved to... * targhooks.cc: ...here. * timevar.c: Moved to... * timevar.cc: ...here. * toplev.c: Moved to... * toplev.cc: ...here. * tracer.c: Moved to... * tracer.cc: ...here. * trans-mem.c: Moved to... * trans-mem.cc: ...here. * tree-affine.c: Moved to... * tree-affine.cc: ...here. * tree-call-cdce.c: Moved to... * tree-call-cdce.cc: ...here. * tree-cfg.c: Moved to... * tree-cfg.cc: ...here. * tree-cfgcleanup.c: Moved to... * tree-cfgcleanup.cc: ...here. * tree-chrec.c: Moved to... * tree-chrec.cc: ...here. * tree-complex.c: Moved to... * tree-complex.cc: ...here. * tree-data-ref.c: Moved to... * tree-data-ref.cc: ...here. * tree-dfa.c: Moved to... * tree-dfa.cc: ...here. * tree-diagnostic.c: Moved to... * tree-diagnostic.cc: ...here. * tree-dump.c: Moved to... * tree-dump.cc: ...here. * tree-eh.c: Moved to... * tree-eh.cc: ...here. * tree-emutls.c: Moved to... * tree-emutls.cc: ...here. * tree-if-conv.c: Moved to... * tree-if-conv.cc: ...here. * tree-inline.c: Moved to... * tree-inline.cc: ...here. * tree-into-ssa.c: Moved to... * tree-into-ssa.cc: ...here. * tree-iterator.c: Moved to... * tree-iterator.cc: ...here. * tree-loop-distribution.c: Moved to... * tree-loop-distribution.cc: ...here. * tree-nested.c: Moved to... * tree-nested.cc: ...here. * tree-nrv.c: Moved to... * tree-nrv.cc: ...here. * tree-object-size.c: Moved to... * tree-object-size.cc: ...here. * tree-outof-ssa.c: Moved to... * tree-outof-ssa.cc: ...here. * tree-parloops.c: Moved to... * tree-parloops.cc: ...here. * tree-phinodes.c: Moved to... * tree-phinodes.cc: ...here. * tree-predcom.c: Moved to... * tree-predcom.cc: ...here. * tree-pretty-print.c: Moved to... * tree-pretty-print.cc: ...here. * tree-profile.c: Moved to... * tree-profile.cc: ...here. * tree-scalar-evolution.c: Moved to... * tree-scalar-evolution.cc: ...here. * tree-sra.c: Moved to... * tree-sra.cc: ...here. * tree-ssa-address.c: Moved to... * tree-ssa-address.cc: ...here. * tree-ssa-alias.c: Moved to... * tree-ssa-alias.cc: ...here. * tree-ssa-ccp.c: Moved to... * tree-ssa-ccp.cc: ...here. * tree-ssa-coalesce.c: Moved to... * tree-ssa-coalesce.cc: ...here. * tree-ssa-copy.c: Moved to... * tree-ssa-copy.cc: ...here. * tree-ssa-dce.c: Moved to... * tree-ssa-dce.cc: ...here. * tree-ssa-dom.c: Moved to... * tree-ssa-dom.cc: ...here. * tree-ssa-dse.c: Moved to... * tree-ssa-dse.cc: ...here. * tree-ssa-forwprop.c: Moved to... * tree-ssa-forwprop.cc: ...here. * tree-ssa-ifcombine.c: Moved to... * tree-ssa-ifcombine.cc: ...here. * tree-ssa-live.c: Moved to... * tree-ssa-live.cc: ...here. * tree-ssa-loop-ch.c: Moved to... * tree-ssa-loop-ch.cc: ...here. * tree-ssa-loop-im.c: Moved to... * tree-ssa-loop-im.cc: ...here. * tree-ssa-loop-ivcanon.c: Moved to... * tree-ssa-loop-ivcanon.cc: ...here. * tree-ssa-loop-ivopts.c: Moved to... * tree-ssa-loop-ivopts.cc: ...here. * tree-ssa-loop-manip.c: Moved to... * tree-ssa-loop-manip.cc: ...here. * tree-ssa-loop-niter.c: Moved to... * tree-ssa-loop-niter.cc: ...here. * tree-ssa-loop-prefetch.c: Moved to... * tree-ssa-loop-prefetch.cc: ...here. * tree-ssa-loop-split.c: Moved to... * tree-ssa-loop-split.cc: ...here. * tree-ssa-loop-unswitch.c: Moved to... * tree-ssa-loop-unswitch.cc: ...here. * tree-ssa-loop.c: Moved to... * tree-ssa-loop.cc: ...here. * tree-ssa-math-opts.c: Moved to... * tree-ssa-math-opts.cc: ...here. * tree-ssa-operands.c: Moved to... * tree-ssa-operands.cc: ...here. * tree-ssa-phiopt.c: Moved to... * tree-ssa-phiopt.cc: ...here. * tree-ssa-phiprop.c: Moved to... * tree-ssa-phiprop.cc: ...here. * tree-ssa-pre.c: Moved to... * tree-ssa-pre.cc: ...here. * tree-ssa-propagate.c: Moved to... * tree-ssa-propagate.cc: ...here. * tree-ssa-reassoc.c: Moved to... * tree-ssa-reassoc.cc: ...here. * tree-ssa-sccvn.c: Moved to... * tree-ssa-sccvn.cc: ...here. * tree-ssa-scopedtables.c: Moved to... * tree-ssa-scopedtables.cc: ...here. * tree-ssa-sink.c: Moved to... * tree-ssa-sink.cc: ...here. * tree-ssa-strlen.c: Moved to... * tree-ssa-strlen.cc: ...here. * tree-ssa-structalias.c: Moved to... * tree-ssa-structalias.cc: ...here. * tree-ssa-tail-merge.c: Moved to... * tree-ssa-tail-merge.cc: ...here. * tree-ssa-ter.c: Moved to... * tree-ssa-ter.cc: ...here. * tree-ssa-threadbackward.c: Moved to... * tree-ssa-threadbackward.cc: ...here. * tree-ssa-threadedge.c: Moved to... * tree-ssa-threadedge.cc: ...here. * tree-ssa-threadupdate.c: Moved to... * tree-ssa-threadupdate.cc: ...here. * tree-ssa-uncprop.c: Moved to... * tree-ssa-uncprop.cc: ...here. * tree-ssa-uninit.c: Moved to... * tree-ssa-uninit.cc: ...here. * tree-ssa.c: Moved to... * tree-ssa.cc: ...here. * tree-ssanames.c: Moved to... * tree-ssanames.cc: ...here. * tree-stdarg.c: Moved to... * tree-stdarg.cc: ...here. * tree-streamer-in.c: Moved to... * tree-streamer-in.cc: ...here. * tree-streamer-out.c: Moved to... * tree-streamer-out.cc: ...here. * tree-streamer.c: Moved to... * tree-streamer.cc: ...here. * tree-switch-conversion.c: Moved to... * tree-switch-conversion.cc: ...here. * tree-tailcall.c: Moved to... * tree-tailcall.cc: ...here. * tree-vect-data-refs.c: Moved to... * tree-vect-data-refs.cc: ...here. * tree-vect-generic.c: Moved to... * tree-vect-generic.cc: ...here. * tree-vect-loop-manip.c: Moved to... * tree-vect-loop-manip.cc: ...here. * tree-vect-loop.c: Moved to... * tree-vect-loop.cc: ...here. * tree-vect-patterns.c: Moved to... * tree-vect-patterns.cc: ...here. * tree-vect-slp-patterns.c: Moved to... * tree-vect-slp-patterns.cc: ...here. * tree-vect-slp.c: Moved to... * tree-vect-slp.cc: ...here. * tree-vect-stmts.c: Moved to... * tree-vect-stmts.cc: ...here. * tree-vector-builder.c: Moved to... * tree-vector-builder.cc: ...here. * tree-vectorizer.c: Moved to... * tree-vectorizer.cc: ...here. * tree-vrp.c: Moved to... * tree-vrp.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * tsan.c: Moved to... * tsan.cc: ...here. * typed-splay-tree.c: Moved to... * typed-splay-tree.cc: ...here. * ubsan.c: Moved to... * ubsan.cc: ...here. * valtrack.c: Moved to... * valtrack.cc: ...here. * value-prof.c: Moved to... * value-prof.cc: ...here. * var-tracking.c: Moved to... * var-tracking.cc: ...here. * varasm.c: Moved to... * varasm.cc: ...here. * varpool.c: Moved to... * varpool.cc: ...here. * vec-perm-indices.c: Moved to... * vec-perm-indices.cc: ...here. * vec.c: Moved to... * vec.cc: ...here. * vmsdbgout.c: Moved to... * vmsdbgout.cc: ...here. * vr-values.c: Moved to... * vr-values.cc: ...here. * vtable-verify.c: Moved to... * vtable-verify.cc: ...here. * web.c: Moved to... * web.cc: ...here. * xcoffout.c: Moved to... * xcoffout.cc: ...here. gcc/c-family/ChangeLog: * c-ada-spec.c: Moved to... * c-ada-spec.cc: ...here. * c-attribs.c: Moved to... * c-attribs.cc: ...here. * c-common.c: Moved to... * c-common.cc: ...here. * c-cppbuiltin.c: Moved to... * c-cppbuiltin.cc: ...here. * c-dump.c: Moved to... * c-dump.cc: ...here. * c-format.c: Moved to... * c-format.cc: ...here. * c-gimplify.c: Moved to... * c-gimplify.cc: ...here. * c-indentation.c: Moved to... * c-indentation.cc: ...here. * c-lex.c: Moved to... * c-lex.cc: ...here. * c-omp.c: Moved to... * c-omp.cc: ...here. * c-opts.c: Moved to... * c-opts.cc: ...here. * c-pch.c: Moved to... * c-pch.cc: ...here. * c-ppoutput.c: Moved to... * c-ppoutput.cc: ...here. * c-pragma.c: Moved to... * c-pragma.cc: ...here. * c-pretty-print.c: Moved to... * c-pretty-print.cc: ...here. * c-semantics.c: Moved to... * c-semantics.cc: ...here. * c-ubsan.c: Moved to... * c-ubsan.cc: ...here. * c-warn.c: Moved to... * c-warn.cc: ...here. * cppspec.c: Moved to... * cppspec.cc: ...here. * stub-objc.c: Moved to... * stub-objc.cc: ...here. gcc/c/ChangeLog: * c-aux-info.c: Moved to... * c-aux-info.cc: ...here. * c-convert.c: Moved to... * c-convert.cc: ...here. * c-decl.c: Moved to... * c-decl.cc: ...here. * c-errors.c: Moved to... * c-errors.cc: ...here. * c-fold.c: Moved to... * c-fold.cc: ...here. * c-lang.c: Moved to... * c-lang.cc: ...here. * c-objc-common.c: Moved to... * c-objc-common.cc: ...here. * c-parser.c: Moved to... * c-parser.cc: ...here. * c-typeck.c: Moved to... * c-typeck.cc: ...here. * gccspec.c: Moved to... * gccspec.cc: ...here. * gimple-parser.c: Moved to... * gimple-parser.cc: ...here. gcc/cp/ChangeLog: * call.c: Moved to... * call.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constexpr.c: Moved to... * constexpr.cc: ...here. * cp-gimplify.c: Moved to... * cp-gimplify.cc: ...here. * cp-lang.c: Moved to... * cp-lang.cc: ...here. * cp-objcp-common.c: Moved to... * cp-objcp-common.cc: ...here. * cp-ubsan.c: Moved to... * cp-ubsan.cc: ...here. * cvt.c: Moved to... * cvt.cc: ...here. * cxx-pretty-print.c: Moved to... * cxx-pretty-print.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * decl2.c: Moved to... * decl2.cc: ...here. * dump.c: Moved to... * dump.cc: ...here. * error.c: Moved to... * error.cc: ...here. * except.c: Moved to... * except.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * friend.c: Moved to... * friend.cc: ...here. * g++spec.c: Moved to... * g++spec.cc: ...here. * init.c: Moved to... * init.cc: ...here. * lambda.c: Moved to... * lambda.cc: ...here. * lex.c: Moved to... * lex.cc: ...here. * mangle.c: Moved to... * mangle.cc: ...here. * method.c: Moved to... * method.cc: ...here. * name-lookup.c: Moved to... * name-lookup.cc: ...here. * optimize.c: Moved to... * optimize.cc: ...here. * parser.c: Moved to... * parser.cc: ...here. * pt.c: Moved to... * pt.cc: ...here. * ptree.c: Moved to... * ptree.cc: ...here. * rtti.c: Moved to... * rtti.cc: ...here. * search.c: Moved to... * search.cc: ...here. * semantics.c: Moved to... * semantics.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * typeck.c: Moved to... * typeck.cc: ...here. * typeck2.c: Moved to... * typeck2.cc: ...here. * vtable-class-hierarchy.c: Moved to... * vtable-class-hierarchy.cc: ...here. gcc/fortran/ChangeLog: * arith.c: Moved to... * arith.cc: ...here. * array.c: Moved to... * array.cc: ...here. * bbt.c: Moved to... * bbt.cc: ...here. * check.c: Moved to... * check.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constructor.c: Moved to... * constructor.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * cpp.c: Moved to... * cpp.cc: ...here. * data.c: Moved to... * data.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * dependency.c: Moved to... * dependency.cc: ...here. * dump-parse-tree.c: Moved to... * dump-parse-tree.cc: ...here. * error.c: Moved to... * error.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * f95-lang.c: Moved to... * f95-lang.cc: ...here. * frontend-passes.c: Moved to... * frontend-passes.cc: ...here. * gfortranspec.c: Moved to... * gfortranspec.cc: ...here. * interface.c: Moved to... * interface.cc: ...here. * intrinsic.c: Moved to... * intrinsic.cc: ...here. * io.c: Moved to... * io.cc: ...here. * iresolve.c: Moved to... * iresolve.cc: ...here. * match.c: Moved to... * match.cc: ...here. * matchexp.c: Moved to... * matchexp.cc: ...here. * misc.c: Moved to... * misc.cc: ...here. * module.c: Moved to... * module.cc: ...here. * openmp.c: Moved to... * openmp.cc: ...here. * options.c: Moved to... * options.cc: ...here. * parse.c: Moved to... * parse.cc: ...here. * primary.c: Moved to... * primary.cc: ...here. * resolve.c: Moved to... * resolve.cc: ...here. * scanner.c: Moved to... * scanner.cc: ...here. * simplify.c: Moved to... * simplify.cc: ...here. * st.c: Moved to... * st.cc: ...here. * symbol.c: Moved to... * symbol.cc: ...here. * target-memory.c: Moved to... * target-memory.cc: ...here. * trans-array.c: Moved to... * trans-array.cc: ...here. * trans-common.c: Moved to... * trans-common.cc: ...here. * trans-const.c: Moved to... * trans-const.cc: ...here. * trans-decl.c: Moved to... * trans-decl.cc: ...here. * trans-expr.c: Moved to... * trans-expr.cc: ...here. * trans-intrinsic.c: Moved to... * trans-intrinsic.cc: ...here. * trans-io.c: Moved to... * trans-io.cc: ...here. * trans-openmp.c: Moved to... * trans-openmp.cc: ...here. * trans-stmt.c: Moved to... * trans-stmt.cc: ...here. * trans-types.c: Moved to... * trans-types.cc: ...here. * trans.c: Moved to... * trans.cc: ...here. gcc/go/ChangeLog: * go-backend.c: Moved to... * go-backend.cc: ...here. * go-lang.c: Moved to... * go-lang.cc: ...here. * gospec.c: Moved to... * gospec.cc: ...here. gcc/jit/ChangeLog: * dummy-frontend.c: Moved to... * dummy-frontend.cc: ...here. * jit-builtins.c: Moved to... * jit-builtins.cc: ...here. * jit-logging.c: Moved to... * jit-logging.cc: ...here. * jit-playback.c: Moved to... * jit-playback.cc: ...here. * jit-recording.c: Moved to... * jit-recording.cc: ...here. * jit-result.c: Moved to... * jit-result.cc: ...here. * jit-spec.c: Moved to... * jit-spec.cc: ...here. * jit-tempdir.c: Moved to... * jit-tempdir.cc: ...here. * jit-w32.c: Moved to... * jit-w32.cc: ...here. * libgccjit.c: Moved to... * libgccjit.cc: ...here. gcc/lto/ChangeLog: * common.c: Moved to... * common.cc: ...here. * lto-common.c: Moved to... * lto-common.cc: ...here. * lto-dump.c: Moved to... * lto-dump.cc: ...here. * lto-lang.c: Moved to... * lto-lang.cc: ...here. * lto-object.c: Moved to... * lto-object.cc: ...here. * lto-partition.c: Moved to... * lto-partition.cc: ...here. * lto-symtab.c: Moved to... * lto-symtab.cc: ...here. * lto.c: Moved to... * lto.cc: ...here. gcc/objc/ChangeLog: * objc-act.c: Moved to... * objc-act.cc: ...here. * objc-encoding.c: Moved to... * objc-encoding.cc: ...here. * objc-gnu-runtime-abi-01.c: Moved to... * objc-gnu-runtime-abi-01.cc: ...here. * objc-lang.c: Moved to... * objc-lang.cc: ...here. * objc-map.c: Moved to... * objc-map.cc: ...here. * objc-next-runtime-abi-01.c: Moved to... * objc-next-runtime-abi-01.cc: ...here. * objc-next-runtime-abi-02.c: Moved to... * objc-next-runtime-abi-02.cc: ...here. * objc-runtime-shared-support.c: Moved to... * objc-runtime-shared-support.cc: ...here. gcc/objcp/ChangeLog: * objcp-decl.c: Moved to... * objcp-decl.cc: ...here. * objcp-lang.c: Moved to... * objcp-lang.cc: ...here. libcpp/ChangeLog: * charset.c: Moved to... * charset.cc: ...here. * directives.c: Moved to... * directives.cc: ...here. * errors.c: Moved to... * errors.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * files.c: Moved to... * files.cc: ...here. * identifiers.c: Moved to... * identifiers.cc: ...here. * init.c: Moved to... * init.cc: ...here. * lex.c: Moved to... * lex.cc: ...here. * line-map.c: Moved to... * line-map.cc: ...here. * macro.c: Moved to... * macro.cc: ...here. * makeucnid.c: Moved to... * makeucnid.cc: ...here. * mkdeps.c: Moved to... * mkdeps.cc: ...here. * pch.c: Moved to... * pch.cc: ...here. * symtab.c: Moved to... * symtab.cc: ...here. * traditional.c: Moved to... * traditional.cc: ...here.
Diffstat (limited to 'gcc/regcprop.c')
-rw-r--r--gcc/regcprop.c1432
1 files changed, 0 insertions, 1432 deletions
diff --git a/gcc/regcprop.c b/gcc/regcprop.c
deleted file mode 100644
index 1a9bcf0..0000000
--- a/gcc/regcprop.c
+++ /dev/null
@@ -1,1432 +0,0 @@
-/* Copy propagation on hard registers for the GNU compiler.
- Copyright (C) 2000-2022 Free Software Foundation, Inc.
-
- This file is part of GCC.
-
- 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 3, or (at your option)
- any later version.
-
- 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.
-
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING3. If not see
- <http://www.gnu.org/licenses/>. */
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "backend.h"
-#include "rtl.h"
-#include "df.h"
-#include "memmodel.h"
-#include "tm_p.h"
-#include "insn-config.h"
-#include "regs.h"
-#include "emit-rtl.h"
-#include "recog.h"
-#include "diagnostic-core.h"
-#include "addresses.h"
-#include "tree-pass.h"
-#include "rtl-iter.h"
-#include "cfgrtl.h"
-#include "target.h"
-#include "function-abi.h"
-
-/* The following code does forward propagation of hard register copies.
- The object is to eliminate as many dependencies as possible, so that
- we have the most scheduling freedom. As a side effect, we also clean
- up some silly register allocation decisions made by reload. This
- code may be obsoleted by a new register allocator. */
-
-/* DEBUG_INSNs aren't changed right away, as doing so might extend the
- lifetime of a register and get the DEBUG_INSN subsequently reset.
- So they are queued instead, and updated only when the register is
- used in some subsequent real insn before it is set. */
-struct queued_debug_insn_change
-{
- struct queued_debug_insn_change *next;
- rtx_insn *insn;
- rtx *loc;
- rtx new_rtx;
-};
-
-/* For each register, we have a list of registers that contain the same
- value. The OLDEST_REGNO field points to the head of the list, and
- the NEXT_REGNO field runs through the list. The MODE field indicates
- what mode the data is known to be in; this field is VOIDmode when the
- register is not known to contain valid data. */
-
-struct value_data_entry
-{
- machine_mode mode;
- unsigned int oldest_regno;
- unsigned int next_regno;
- struct queued_debug_insn_change *debug_insn_changes;
-};
-
-struct value_data
-{
- struct value_data_entry e[FIRST_PSEUDO_REGISTER];
- unsigned int max_value_regs;
- unsigned int n_debug_insn_changes;
-};
-
-static object_allocator<queued_debug_insn_change> queued_debug_insn_change_pool
- ("debug insn changes pool");
-
-static bool skip_debug_insn_p;
-
-static void kill_value_one_regno (unsigned, struct value_data *);
-static void kill_value_regno (unsigned, unsigned, struct value_data *);
-static void kill_value (const_rtx, struct value_data *);
-static void set_value_regno (unsigned, machine_mode, struct value_data *);
-static void init_value_data (struct value_data *);
-static void kill_clobbered_value (rtx, const_rtx, void *);
-static void kill_set_value (rtx, const_rtx, void *);
-static void copy_value (rtx, rtx, struct value_data *);
-static bool mode_change_ok (machine_mode, machine_mode,
- unsigned int);
-static rtx maybe_mode_change (machine_mode, machine_mode,
- machine_mode, unsigned int, unsigned int);
-static rtx find_oldest_value_reg (enum reg_class, rtx, struct value_data *);
-static bool replace_oldest_value_reg (rtx *, enum reg_class, rtx_insn *,
- struct value_data *);
-static bool replace_oldest_value_addr (rtx *, enum reg_class,
- machine_mode, addr_space_t,
- rtx_insn *, struct value_data *);
-static bool replace_oldest_value_mem (rtx, rtx_insn *, struct value_data *);
-static bool copyprop_hardreg_forward_1 (basic_block, struct value_data *);
-extern void debug_value_data (struct value_data *);
-static void validate_value_data (struct value_data *);
-
-/* Free all queued updates for DEBUG_INSNs that change some reg to
- register REGNO. */
-
-static void
-free_debug_insn_changes (struct value_data *vd, unsigned int regno)
-{
- struct queued_debug_insn_change *cur, *next;
- for (cur = vd->e[regno].debug_insn_changes; cur; cur = next)
- {
- next = cur->next;
- --vd->n_debug_insn_changes;
- queued_debug_insn_change_pool.remove (cur);
- }
- vd->e[regno].debug_insn_changes = NULL;
-}
-
-/* Kill register REGNO. This involves removing it from any value
- lists, and resetting the value mode to VOIDmode. This is only a
- helper function; it does not handle any hard registers overlapping
- with REGNO. */
-
-static void
-kill_value_one_regno (unsigned int regno, struct value_data *vd)
-{
- unsigned int i, next;
-
- if (vd->e[regno].oldest_regno != regno)
- {
- for (i = vd->e[regno].oldest_regno;
- vd->e[i].next_regno != regno;
- i = vd->e[i].next_regno)
- continue;
- vd->e[i].next_regno = vd->e[regno].next_regno;
- }
- else if ((next = vd->e[regno].next_regno) != INVALID_REGNUM)
- {
- for (i = next; i != INVALID_REGNUM; i = vd->e[i].next_regno)
- vd->e[i].oldest_regno = next;
- }
-
- vd->e[regno].mode = VOIDmode;
- vd->e[regno].oldest_regno = regno;
- vd->e[regno].next_regno = INVALID_REGNUM;
- if (vd->e[regno].debug_insn_changes)
- free_debug_insn_changes (vd, regno);
-
- if (flag_checking)
- validate_value_data (vd);
-}
-
-/* Kill the value in register REGNO for NREGS, and any other registers
- whose values overlap. */
-
-static void
-kill_value_regno (unsigned int regno, unsigned int nregs,
- struct value_data *vd)
-{
- unsigned int j;
-
- /* Kill the value we're told to kill. */
- for (j = 0; j < nregs; ++j)
- kill_value_one_regno (regno + j, vd);
-
- /* Kill everything that overlapped what we're told to kill. */
- if (regno < vd->max_value_regs)
- j = 0;
- else
- j = regno - vd->max_value_regs;
- for (; j < regno; ++j)
- {
- unsigned int i, n;
- if (vd->e[j].mode == VOIDmode)
- continue;
- n = hard_regno_nregs (j, vd->e[j].mode);
- if (j + n > regno)
- for (i = 0; i < n; ++i)
- kill_value_one_regno (j + i, vd);
- }
-}
-
-/* Kill X. This is a convenience function wrapping kill_value_regno
- so that we mind the mode the register is in. */
-
-static void
-kill_value (const_rtx x, struct value_data *vd)
-{
- if (GET_CODE (x) == SUBREG)
- {
- rtx tmp = simplify_subreg (GET_MODE (x), SUBREG_REG (x),
- GET_MODE (SUBREG_REG (x)), SUBREG_BYTE (x));
- x = tmp ? tmp : SUBREG_REG (x);
- }
- if (REG_P (x))
- kill_value_regno (REGNO (x), REG_NREGS (x), vd);
-}
-
-/* Remember that REGNO is valid in MODE. */
-
-static void
-set_value_regno (unsigned int regno, machine_mode mode,
- struct value_data *vd)
-{
- unsigned int nregs;
-
- vd->e[regno].mode = mode;
-
- nregs = hard_regno_nregs (regno, mode);
- if (nregs > vd->max_value_regs)
- vd->max_value_regs = nregs;
-}
-
-/* Initialize VD such that there are no known relationships between regs. */
-
-static void
-init_value_data (struct value_data *vd)
-{
- int i;
- for (i = 0; i < FIRST_PSEUDO_REGISTER; ++i)
- {
- vd->e[i].mode = VOIDmode;
- vd->e[i].oldest_regno = i;
- vd->e[i].next_regno = INVALID_REGNUM;
- vd->e[i].debug_insn_changes = NULL;
- }
- vd->max_value_regs = 0;
- vd->n_debug_insn_changes = 0;
-}
-
-/* Called through note_stores. If X is clobbered, kill its value. */
-
-static void
-kill_clobbered_value (rtx x, const_rtx set, void *data)
-{
- struct value_data *const vd = (struct value_data *) data;
-
- if (GET_CODE (set) == CLOBBER)
- kill_value (x, vd);
-}
-
-/* A structure passed as data to kill_set_value through note_stores. */
-struct kill_set_value_data
-{
- struct value_data *vd;
- rtx ignore_set_reg;
-};
-
-/* Called through note_stores. If X is set, not clobbered, kill its
- current value and install it as the root of its own value list. */
-
-static void
-kill_set_value (rtx x, const_rtx set, void *data)
-{
- struct kill_set_value_data *ksvd = (struct kill_set_value_data *) data;
- if (rtx_equal_p (x, ksvd->ignore_set_reg))
- return;
-
- if (GET_CODE (set) != CLOBBER)
- {
- kill_value (x, ksvd->vd);
- if (REG_P (x))
- set_value_regno (REGNO (x), GET_MODE (x), ksvd->vd);
- }
-}
-
-/* Kill any register used in X as the base of an auto-increment expression,
- and install that register as the root of its own value list. */
-
-static void
-kill_autoinc_value (rtx_insn *insn, struct value_data *vd)
-{
- subrtx_iterator::array_type array;
- FOR_EACH_SUBRTX (iter, array, PATTERN (insn), NONCONST)
- {
- const_rtx x = *iter;
- if (GET_RTX_CLASS (GET_CODE (x)) == RTX_AUTOINC)
- {
- x = XEXP (x, 0);
- kill_value (x, vd);
- set_value_regno (REGNO (x), GET_MODE (x), vd);
- iter.skip_subrtxes ();
- }
- }
-}
-
-/* Assert that SRC has been copied to DEST. Adjust the data structures
- to reflect that SRC contains an older copy of the shared value. */
-
-static void
-copy_value (rtx dest, rtx src, struct value_data *vd)
-{
- unsigned int dr = REGNO (dest);
- unsigned int sr = REGNO (src);
- unsigned int dn, sn;
- unsigned int i;
-
- /* ??? At present, it's possible to see noop sets. It'd be nice if
- this were cleaned up beforehand... */
- if (sr == dr)
- return;
-
- /* Do not propagate copies to the stack pointer, as that can leave
- memory accesses with no scheduling dependency on the stack update. */
- if (dr == STACK_POINTER_REGNUM)
- return;
-
- /* Likewise with the frame pointer, if we're using one. */
- if (frame_pointer_needed && dr == HARD_FRAME_POINTER_REGNUM)
- return;
-
- /* Do not propagate copies to fixed or global registers, patterns
- can be relying to see particular fixed register or users can
- expect the chosen global register in asm. */
- if (fixed_regs[dr] || global_regs[dr])
- return;
-
- /* If SRC and DEST overlap, don't record anything. */
- dn = REG_NREGS (dest);
- sn = REG_NREGS (src);
- if ((dr > sr && dr < sr + sn)
- || (sr > dr && sr < dr + dn))
- return;
-
- /* If SRC had no assigned mode (i.e. we didn't know it was live)
- assign it now and assume the value came from an input argument
- or somesuch. */
- if (vd->e[sr].mode == VOIDmode)
- set_value_regno (sr, vd->e[dr].mode, vd);
-
- /* If we are narrowing the input to a smaller number of hard regs,
- and it is in big endian, we are really extracting a high part.
- Since we generally associate a low part of a value with the value itself,
- we must not do the same for the high part.
- Note we can still get low parts for the same mode combination through
- a two-step copy involving differently sized hard regs.
- Assume hard regs fr* are 32 bits each, while r* are 64 bits each:
- (set (reg:DI r0) (reg:DI fr0))
- (set (reg:SI fr2) (reg:SI r0))
- loads the low part of (reg:DI fr0) - i.e. fr1 - into fr2, while:
- (set (reg:SI fr2) (reg:SI fr0))
- loads the high part of (reg:DI fr0) into fr2.
-
- We can't properly represent the latter case in our tables, so don't
- record anything then. */
- else if (sn < hard_regno_nregs (sr, vd->e[sr].mode)
- && maybe_ne (subreg_lowpart_offset (GET_MODE (dest),
- vd->e[sr].mode), 0U))
- return;
-
- /* If SRC had been assigned a mode narrower than the copy, we can't
- link DEST into the chain, because not all of the pieces of the
- copy came from oldest_regno. */
- else if (sn > hard_regno_nregs (sr, vd->e[sr].mode))
- return;
-
- /* If a narrower value is copied using wider mode, the upper bits
- are undefined (could be e.g. a former paradoxical subreg). Signal
- in that case we've only copied value using the narrower mode.
- Consider:
- (set (reg:DI r14) (mem:DI ...))
- (set (reg:QI si) (reg:QI r14))
- (set (reg:DI bp) (reg:DI r14))
- (set (reg:DI r14) (const_int ...))
- (set (reg:DI dx) (reg:DI si))
- (set (reg:DI si) (const_int ...))
- (set (reg:DI dx) (reg:DI bp))
- The last set is not redundant, while the low 8 bits of dx are already
- equal to low 8 bits of bp, the other bits are undefined. */
- else if (partial_subreg_p (vd->e[sr].mode, GET_MODE (src)))
- {
- if (!REG_CAN_CHANGE_MODE_P (sr, GET_MODE (src), vd->e[sr].mode)
- || !REG_CAN_CHANGE_MODE_P (dr, vd->e[sr].mode, GET_MODE (dest)))
- return;
- set_value_regno (dr, vd->e[sr].mode, vd);
- }
-
- /* Link DR at the end of the value chain used by SR. */
-
- vd->e[dr].oldest_regno = vd->e[sr].oldest_regno;
-
- for (i = sr; vd->e[i].next_regno != INVALID_REGNUM; i = vd->e[i].next_regno)
- continue;
- vd->e[i].next_regno = dr;
-
- if (flag_checking)
- validate_value_data (vd);
-}
-
-/* Return true if a mode change from ORIG to NEW is allowed for REGNO. */
-
-static bool
-mode_change_ok (machine_mode orig_mode, machine_mode new_mode,
- unsigned int regno ATTRIBUTE_UNUSED)
-{
- if (partial_subreg_p (orig_mode, new_mode))
- return false;
-
- return REG_CAN_CHANGE_MODE_P (regno, orig_mode, new_mode);
-}
-
-/* Register REGNO was originally set in ORIG_MODE. It - or a copy of it -
- was copied in COPY_MODE to COPY_REGNO, and then COPY_REGNO was accessed
- in NEW_MODE.
- Return a NEW_MODE rtx for REGNO if that's OK, otherwise return NULL_RTX. */
-
-static rtx
-maybe_mode_change (machine_mode orig_mode, machine_mode copy_mode,
- machine_mode new_mode, unsigned int regno,
- unsigned int copy_regno ATTRIBUTE_UNUSED)
-{
- if (partial_subreg_p (copy_mode, orig_mode)
- && partial_subreg_p (copy_mode, new_mode))
- return NULL_RTX;
-
- /* Avoid creating multiple copies of the stack pointer. Some ports
- assume there is one and only one stack pointer.
-
- It's unclear if we need to do the same for other special registers. */
- if (regno == STACK_POINTER_REGNUM)
- return NULL_RTX;
-
- if (orig_mode == new_mode)
- return gen_raw_REG (new_mode, regno);
- else if (mode_change_ok (orig_mode, new_mode, regno))
- {
- int copy_nregs = hard_regno_nregs (copy_regno, copy_mode);
- int use_nregs = hard_regno_nregs (copy_regno, new_mode);
- poly_uint64 bytes_per_reg;
- if (!can_div_trunc_p (GET_MODE_SIZE (copy_mode),
- copy_nregs, &bytes_per_reg))
- return NULL_RTX;
- poly_uint64 copy_offset = bytes_per_reg * (copy_nregs - use_nregs);
- poly_uint64 offset
- = subreg_size_lowpart_offset (GET_MODE_SIZE (new_mode) + copy_offset,
- GET_MODE_SIZE (orig_mode));
- regno += subreg_regno_offset (regno, orig_mode, offset, new_mode);
- if (targetm.hard_regno_mode_ok (regno, new_mode))
- return gen_raw_REG (new_mode, regno);
- }
- return NULL_RTX;
-}
-
-/* Find the oldest copy of the value contained in REGNO that is in
- register class CL and has mode MODE. If found, return an rtx
- of that oldest register, otherwise return NULL. */
-
-static rtx
-find_oldest_value_reg (enum reg_class cl, rtx reg, struct value_data *vd)
-{
- unsigned int regno = REGNO (reg);
- machine_mode mode = GET_MODE (reg);
- unsigned int i;
-
- gcc_assert (regno < FIRST_PSEUDO_REGISTER);
-
- /* If we are accessing REG in some mode other that what we set it in,
- make sure that the replacement is valid. In particular, consider
- (set (reg:DI r11) (...))
- (set (reg:SI r9) (reg:SI r11))
- (set (reg:SI r10) (...))
- (set (...) (reg:DI r9))
- Replacing r9 with r11 is invalid. */
- if (mode != vd->e[regno].mode
- && (REG_NREGS (reg) > hard_regno_nregs (regno, vd->e[regno].mode)
- || !REG_CAN_CHANGE_MODE_P (regno, mode, vd->e[regno].mode)))
- return NULL_RTX;
-
- for (i = vd->e[regno].oldest_regno; i != regno; i = vd->e[i].next_regno)
- {
- machine_mode oldmode = vd->e[i].mode;
- rtx new_rtx;
-
- if (!in_hard_reg_set_p (reg_class_contents[cl], mode, i))
- continue;
-
- new_rtx = maybe_mode_change (oldmode, vd->e[regno].mode, mode, i, regno);
- if (new_rtx)
- {
- ORIGINAL_REGNO (new_rtx) = ORIGINAL_REGNO (reg);
- REG_ATTRS (new_rtx) = REG_ATTRS (reg);
- REG_POINTER (new_rtx) = REG_POINTER (reg);
- return new_rtx;
- }
- }
-
- return NULL_RTX;
-}
-
-/* If possible, replace the register at *LOC with the oldest register
- in register class CL. Return true if successfully replaced. */
-
-static bool
-replace_oldest_value_reg (rtx *loc, enum reg_class cl, rtx_insn *insn,
- struct value_data *vd)
-{
- rtx new_rtx = find_oldest_value_reg (cl, *loc, vd);
- if (new_rtx && (!DEBUG_INSN_P (insn) || !skip_debug_insn_p))
- {
- if (DEBUG_INSN_P (insn))
- {
- struct queued_debug_insn_change *change;
-
- if (dump_file)
- fprintf (dump_file, "debug_insn %u: queued replacing reg %u with %u\n",
- INSN_UID (insn), REGNO (*loc), REGNO (new_rtx));
-
- change = queued_debug_insn_change_pool.allocate ();
- change->next = vd->e[REGNO (new_rtx)].debug_insn_changes;
- change->insn = insn;
- change->loc = loc;
- change->new_rtx = new_rtx;
- vd->e[REGNO (new_rtx)].debug_insn_changes = change;
- ++vd->n_debug_insn_changes;
- return true;
- }
- if (dump_file)
- fprintf (dump_file, "insn %u: replaced reg %u with %u\n",
- INSN_UID (insn), REGNO (*loc), REGNO (new_rtx));
-
- validate_change (insn, loc, new_rtx, 1);
- return true;
- }
- return false;
-}
-
-/* Similar to replace_oldest_value_reg, but *LOC contains an address.
- Adapted from find_reloads_address_1. CL is INDEX_REG_CLASS or
- BASE_REG_CLASS depending on how the register is being considered. */
-
-static bool
-replace_oldest_value_addr (rtx *loc, enum reg_class cl,
- machine_mode mode, addr_space_t as,
- rtx_insn *insn, struct value_data *vd)
-{
- rtx x = *loc;
- RTX_CODE code = GET_CODE (x);
- const char *fmt;
- int i, j;
- bool changed = false;
-
- switch (code)
- {
- case PLUS:
- if (DEBUG_INSN_P (insn))
- break;
-
- {
- rtx orig_op0 = XEXP (x, 0);
- rtx orig_op1 = XEXP (x, 1);
- RTX_CODE code0 = GET_CODE (orig_op0);
- RTX_CODE code1 = GET_CODE (orig_op1);
- rtx op0 = orig_op0;
- rtx op1 = orig_op1;
- rtx *locI = NULL;
- rtx *locB = NULL;
- enum rtx_code index_code = SCRATCH;
-
- if (GET_CODE (op0) == SUBREG)
- {
- op0 = SUBREG_REG (op0);
- code0 = GET_CODE (op0);
- }
-
- if (GET_CODE (op1) == SUBREG)
- {
- op1 = SUBREG_REG (op1);
- code1 = GET_CODE (op1);
- }
-
- if (code0 == MULT || code0 == SIGN_EXTEND || code0 == TRUNCATE
- || code0 == ZERO_EXTEND || code1 == MEM)
- {
- locI = &XEXP (x, 0);
- locB = &XEXP (x, 1);
- index_code = GET_CODE (*locI);
- }
- else if (code1 == MULT || code1 == SIGN_EXTEND || code1 == TRUNCATE
- || code1 == ZERO_EXTEND || code0 == MEM)
- {
- locI = &XEXP (x, 1);
- locB = &XEXP (x, 0);
- index_code = GET_CODE (*locI);
- }
- else if (code0 == CONST_INT || code0 == CONST
- || code0 == SYMBOL_REF || code0 == LABEL_REF)
- {
- locB = &XEXP (x, 1);
- index_code = GET_CODE (XEXP (x, 0));
- }
- else if (code1 == CONST_INT || code1 == CONST
- || code1 == SYMBOL_REF || code1 == LABEL_REF)
- {
- locB = &XEXP (x, 0);
- index_code = GET_CODE (XEXP (x, 1));
- }
- else if (code0 == REG && code1 == REG)
- {
- int index_op;
- unsigned regno0 = REGNO (op0), regno1 = REGNO (op1);
-
- if (REGNO_OK_FOR_INDEX_P (regno1)
- && regno_ok_for_base_p (regno0, mode, as, PLUS, REG))
- index_op = 1;
- else if (REGNO_OK_FOR_INDEX_P (regno0)
- && regno_ok_for_base_p (regno1, mode, as, PLUS, REG))
- index_op = 0;
- else if (regno_ok_for_base_p (regno0, mode, as, PLUS, REG)
- || REGNO_OK_FOR_INDEX_P (regno1))
- index_op = 1;
- else if (regno_ok_for_base_p (regno1, mode, as, PLUS, REG))
- index_op = 0;
- else
- index_op = 1;
-
- locI = &XEXP (x, index_op);
- locB = &XEXP (x, !index_op);
- index_code = GET_CODE (*locI);
- }
- else if (code0 == REG)
- {
- locI = &XEXP (x, 0);
- locB = &XEXP (x, 1);
- index_code = GET_CODE (*locI);
- }
- else if (code1 == REG)
- {
- locI = &XEXP (x, 1);
- locB = &XEXP (x, 0);
- index_code = GET_CODE (*locI);
- }
-
- if (locI)
- changed |= replace_oldest_value_addr (locI, INDEX_REG_CLASS,
- mode, as, insn, vd);
- if (locB)
- changed |= replace_oldest_value_addr (locB,
- base_reg_class (mode, as, PLUS,
- index_code),
- mode, as, insn, vd);
- return changed;
- }
-
- case POST_INC:
- case POST_DEC:
- case POST_MODIFY:
- case PRE_INC:
- case PRE_DEC:
- case PRE_MODIFY:
- return false;
-
- case MEM:
- return replace_oldest_value_mem (x, insn, vd);
-
- case REG:
- return replace_oldest_value_reg (loc, cl, insn, vd);
-
- default:
- break;
- }
-
- fmt = GET_RTX_FORMAT (code);
- for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
- {
- if (fmt[i] == 'e')
- changed |= replace_oldest_value_addr (&XEXP (x, i), cl, mode, as,
- insn, vd);
- else if (fmt[i] == 'E')
- for (j = XVECLEN (x, i) - 1; j >= 0; j--)
- changed |= replace_oldest_value_addr (&XVECEXP (x, i, j), cl,
- mode, as, insn, vd);
- }
-
- return changed;
-}
-
-/* Similar to replace_oldest_value_reg, but X contains a memory. */
-
-static bool
-replace_oldest_value_mem (rtx x, rtx_insn *insn, struct value_data *vd)
-{
- enum reg_class cl;
-
- if (DEBUG_INSN_P (insn))
- cl = ALL_REGS;
- else
- cl = base_reg_class (GET_MODE (x), MEM_ADDR_SPACE (x), MEM, SCRATCH);
-
- return replace_oldest_value_addr (&XEXP (x, 0), cl,
- GET_MODE (x), MEM_ADDR_SPACE (x),
- insn, vd);
-}
-
-/* Apply all queued updates for DEBUG_INSNs that change some reg to
- register REGNO. */
-
-static void
-apply_debug_insn_changes (struct value_data *vd, unsigned int regno)
-{
- struct queued_debug_insn_change *change;
- rtx_insn *last_insn = vd->e[regno].debug_insn_changes->insn;
-
- for (change = vd->e[regno].debug_insn_changes;
- change;
- change = change->next)
- {
- if (last_insn != change->insn)
- {
- apply_change_group ();
- last_insn = change->insn;
- }
- validate_change (change->insn, change->loc, change->new_rtx, 1);
- }
- apply_change_group ();
-}
-
-/* Called via note_uses, for all used registers in a real insn
- apply DEBUG_INSN changes that change registers to the used
- registers. */
-
-static void
-cprop_find_used_regs (rtx *loc, void *data)
-{
- struct value_data *const vd = (struct value_data *) data;
- subrtx_iterator::array_type array;
- FOR_EACH_SUBRTX (iter, array, *loc, NONCONST)
- {
- const_rtx x = *iter;
- if (REG_P (x))
- {
- unsigned int regno = REGNO (x);
- if (vd->e[regno].debug_insn_changes)
- {
- apply_debug_insn_changes (vd, regno);
- free_debug_insn_changes (vd, regno);
- }
- }
- }
-}
-
-/* Apply clobbers of INSN in PATTERN and C_I_F_U to value_data VD. */
-
-static void
-kill_clobbered_values (rtx_insn *insn, struct value_data *vd)
-{
- note_stores (insn, kill_clobbered_value, vd);
-}
-
-/* Perform the forward copy propagation on basic block BB. */
-
-static bool
-copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
-{
- bool anything_changed = false;
- rtx_insn *insn, *next;
-
- for (insn = BB_HEAD (bb); ; insn = next)
- {
- int n_ops, i, predicated;
- bool is_asm, any_replacements;
- rtx set;
- rtx link;
- bool changed = false;
- struct kill_set_value_data ksvd;
-
- next = NEXT_INSN (insn);
- if (!NONDEBUG_INSN_P (insn))
- {
- if (DEBUG_BIND_INSN_P (insn))
- {
- rtx loc = INSN_VAR_LOCATION_LOC (insn);
- if (!VAR_LOC_UNKNOWN_P (loc))
- replace_oldest_value_addr (&INSN_VAR_LOCATION_LOC (insn),
- ALL_REGS, GET_MODE (loc),
- ADDR_SPACE_GENERIC, insn, vd);
- }
-
- if (insn == BB_END (bb))
- break;
- else
- continue;
- }
-
- set = single_set (insn);
-
- /* Detect noop sets and remove them before processing side effects. */
- if (set && REG_P (SET_DEST (set)) && REG_P (SET_SRC (set)))
- {
- unsigned int regno = REGNO (SET_SRC (set));
- rtx r1 = find_oldest_value_reg (REGNO_REG_CLASS (regno),
- SET_DEST (set), vd);
- rtx r2 = find_oldest_value_reg (REGNO_REG_CLASS (regno),
- SET_SRC (set), vd);
- if (rtx_equal_p (r1 ? r1 : SET_DEST (set), r2 ? r2 : SET_SRC (set)))
- {
- bool last = insn == BB_END (bb);
- delete_insn (insn);
- if (last)
- break;
- continue;
- }
- }
-
- /* Detect obviously dead sets (via REG_UNUSED notes) and remove them. */
- if (set
- && !RTX_FRAME_RELATED_P (insn)
- && NONJUMP_INSN_P (insn)
- && !may_trap_p (set)
- && find_reg_note (insn, REG_UNUSED, SET_DEST (set))
- && !side_effects_p (SET_SRC (set))
- && !side_effects_p (SET_DEST (set)))
- {
- bool last = insn == BB_END (bb);
- delete_insn (insn);
- if (last)
- break;
- continue;
- }
-
-
- extract_constrain_insn (insn);
- preprocess_constraints (insn);
- const operand_alternative *op_alt = which_op_alt ();
- n_ops = recog_data.n_operands;
- is_asm = asm_noperands (PATTERN (insn)) >= 0;
-
- /* Simplify the code below by promoting OP_OUT to OP_INOUT
- in predicated instructions. */
-
- predicated = GET_CODE (PATTERN (insn)) == COND_EXEC;
- for (i = 0; i < n_ops; ++i)
- {
- int matches = op_alt[i].matches;
- if (matches >= 0 || op_alt[i].matched >= 0
- || (predicated && recog_data.operand_type[i] == OP_OUT))
- recog_data.operand_type[i] = OP_INOUT;
- }
-
- /* Apply changes to earlier DEBUG_INSNs if possible. */
- if (vd->n_debug_insn_changes)
- note_uses (&PATTERN (insn), cprop_find_used_regs, vd);
-
- /* For each earlyclobber operand, zap the value data. */
- for (i = 0; i < n_ops; i++)
- if (op_alt[i].earlyclobber)
- kill_value (recog_data.operand[i], vd);
-
- /* Within asms, a clobber cannot overlap inputs or outputs.
- I wouldn't think this were true for regular insns, but
- scan_rtx treats them like that... */
- kill_clobbered_values (insn, vd);
-
- /* Kill all auto-incremented values. */
- /* ??? REG_INC is useless, since stack pushes aren't done that way. */
- kill_autoinc_value (insn, vd);
-
- /* Kill all early-clobbered operands. */
- for (i = 0; i < n_ops; i++)
- if (op_alt[i].earlyclobber)
- kill_value (recog_data.operand[i], vd);
-
- /* If we have dead sets in the insn, then we need to note these as we
- would clobbers. */
- for (link = REG_NOTES (insn); link; link = XEXP (link, 1))
- {
- if (REG_NOTE_KIND (link) == REG_UNUSED)
- {
- kill_value (XEXP (link, 0), vd);
- /* Furthermore, if the insn looked like a single-set,
- but the dead store kills the source value of that
- set, then we can no-longer use the plain move
- special case below. */
- if (set
- && reg_overlap_mentioned_p (XEXP (link, 0), SET_SRC (set)))
- set = NULL;
- }
-
- /* We need to keep CFI info correct, and the same on all paths,
- so we cannot normally replace the registers REG_CFA_REGISTER
- refers to. Bail. */
- if (REG_NOTE_KIND (link) == REG_CFA_REGISTER)
- goto did_replacement;
- }
-
- /* Special-case plain move instructions, since we may well
- be able to do the move from a different register class. */
- if (set && REG_P (SET_SRC (set)))
- {
- rtx src = SET_SRC (set);
- unsigned int regno = REGNO (src);
- machine_mode mode = GET_MODE (src);
- unsigned int i;
- rtx new_rtx;
-
- /* If we are accessing SRC in some mode other that what we
- set it in, make sure that the replacement is valid. */
- if (mode != vd->e[regno].mode)
- {
- if (REG_NREGS (src)
- > hard_regno_nregs (regno, vd->e[regno].mode))
- goto no_move_special_case;
-
- /* And likewise, if we are narrowing on big endian the transformation
- is also invalid. */
- if (REG_NREGS (src) < hard_regno_nregs (regno, vd->e[regno].mode)
- && maybe_ne (subreg_lowpart_offset (mode,
- vd->e[regno].mode), 0U))
- goto no_move_special_case;
- }
-
- /* If the destination is also a register, try to find a source
- register in the same class. */
- if (REG_P (SET_DEST (set)))
- {
- new_rtx = find_oldest_value_reg (REGNO_REG_CLASS (regno),
- src, vd);
-
- if (new_rtx && validate_change (insn, &SET_SRC (set), new_rtx, 0))
- {
- if (dump_file)
- fprintf (dump_file,
- "insn %u: replaced reg %u with %u\n",
- INSN_UID (insn), regno, REGNO (new_rtx));
- changed = true;
- goto did_replacement;
- }
- /* We need to re-extract as validate_change clobbers
- recog_data. */
- extract_constrain_insn (insn);
- preprocess_constraints (insn);
- }
-
- /* Otherwise, try all valid registers and see if its valid. */
- for (i = vd->e[regno].oldest_regno; i != regno;
- i = vd->e[i].next_regno)
- {
- new_rtx = maybe_mode_change (vd->e[i].mode, vd->e[regno].mode,
- mode, i, regno);
- if (new_rtx != NULL_RTX)
- {
- if (validate_change (insn, &SET_SRC (set), new_rtx, 0))
- {
- ORIGINAL_REGNO (new_rtx) = ORIGINAL_REGNO (src);
- REG_ATTRS (new_rtx) = REG_ATTRS (src);
- REG_POINTER (new_rtx) = REG_POINTER (src);
- if (dump_file)
- fprintf (dump_file,
- "insn %u: replaced reg %u with %u\n",
- INSN_UID (insn), regno, REGNO (new_rtx));
- changed = true;
- goto did_replacement;
- }
- /* We need to re-extract as validate_change clobbers
- recog_data. */
- extract_constrain_insn (insn);
- preprocess_constraints (insn);
- }
- }
- }
- no_move_special_case:
-
- any_replacements = false;
-
- /* For each input operand, replace a hard register with the
- eldest live copy that's in an appropriate register class. */
- for (i = 0; i < n_ops; i++)
- {
- bool replaced = false;
-
- /* Don't scan match_operand here, since we've no reg class
- information to pass down. Any operands that we could
- substitute in will be represented elsewhere. */
- if (recog_data.constraints[i][0] == '\0')
- continue;
-
- /* Don't replace in asms intentionally referencing hard regs. */
- if (is_asm && REG_P (recog_data.operand[i])
- && (REGNO (recog_data.operand[i])
- == ORIGINAL_REGNO (recog_data.operand[i])))
- continue;
-
- if (recog_data.operand_type[i] == OP_IN)
- {
- if (op_alt[i].is_address)
- replaced
- = replace_oldest_value_addr (recog_data.operand_loc[i],
- alternative_class (op_alt, i),
- VOIDmode, ADDR_SPACE_GENERIC,
- insn, vd);
- else if (REG_P (recog_data.operand[i]))
- replaced
- = replace_oldest_value_reg (recog_data.operand_loc[i],
- alternative_class (op_alt, i),
- insn, vd);
- else if (MEM_P (recog_data.operand[i]))
- replaced = replace_oldest_value_mem (recog_data.operand[i],
- insn, vd);
- }
- else if (MEM_P (recog_data.operand[i]))
- replaced = replace_oldest_value_mem (recog_data.operand[i],
- insn, vd);
-
- /* If we performed any replacement, update match_dups. */
- if (replaced)
- {
- int j;
- rtx new_rtx;
-
- new_rtx = *recog_data.operand_loc[i];
- recog_data.operand[i] = new_rtx;
- for (j = 0; j < recog_data.n_dups; j++)
- if (recog_data.dup_num[j] == i)
- validate_unshare_change (insn, recog_data.dup_loc[j], new_rtx, 1);
-
- any_replacements = true;
- }
- }
-
- if (any_replacements)
- {
- if (! apply_change_group ())
- {
- if (dump_file)
- fprintf (dump_file,
- "insn %u: reg replacements not verified\n",
- INSN_UID (insn));
- }
- else
- changed = true;
- }
-
- did_replacement:
- if (changed)
- {
- anything_changed = true;
-
- /* If something changed, perhaps further changes to earlier
- DEBUG_INSNs can be applied. */
- if (vd->n_debug_insn_changes)
- note_uses (&PATTERN (insn), cprop_find_used_regs, vd);
- df_insn_rescan (insn);
- }
-
- ksvd.vd = vd;
- ksvd.ignore_set_reg = NULL_RTX;
-
- /* Clobber call-clobbered registers. */
- if (CALL_P (insn))
- {
- unsigned int set_regno = INVALID_REGNUM;
- unsigned int set_nregs = 0;
- unsigned int regno;
- rtx exp;
-
- for (exp = CALL_INSN_FUNCTION_USAGE (insn); exp; exp = XEXP (exp, 1))
- {
- rtx x = XEXP (exp, 0);
- if (GET_CODE (x) == SET)
- {
- rtx dest = SET_DEST (x);
- kill_value (dest, vd);
- set_value_regno (REGNO (dest), GET_MODE (dest), vd);
- copy_value (dest, SET_SRC (x), vd);
- ksvd.ignore_set_reg = dest;
- set_regno = REGNO (dest);
- set_nregs = REG_NREGS (dest);
- break;
- }
- }
-
- function_abi callee_abi = insn_callee_abi (insn);
- for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
- if (vd->e[regno].mode != VOIDmode
- && callee_abi.clobbers_reg_p (vd->e[regno].mode, regno)
- && (regno < set_regno || regno >= set_regno + set_nregs))
- kill_value_regno (regno, 1, vd);
-
- /* If SET was seen in CALL_INSN_FUNCTION_USAGE, and SET_SRC
- of the SET isn't clobbered by CALLEE_ABI, but instead among
- CLOBBERs on the CALL_INSN, we could wrongly assume the
- value in it is still live. */
- if (ksvd.ignore_set_reg)
- kill_clobbered_values (insn, vd);
- }
-
- bool copy_p = (set
- && REG_P (SET_DEST (set))
- && REG_P (SET_SRC (set)));
- bool noop_p = (copy_p
- && rtx_equal_p (SET_DEST (set), SET_SRC (set)));
-
- /* If a noop move is using narrower mode than we have recorded,
- we need to either remove the noop move, or kill_set_value. */
- if (noop_p
- && partial_subreg_p (GET_MODE (SET_DEST (set)),
- vd->e[REGNO (SET_DEST (set))].mode))
- {
- if (noop_move_p (insn))
- {
- bool last = insn == BB_END (bb);
- delete_insn (insn);
- if (last)
- break;
- }
- else
- noop_p = false;
- }
-
- if (!noop_p)
- {
- /* Notice stores. */
- note_stores (insn, kill_set_value, &ksvd);
-
- /* Notice copies. */
- if (copy_p)
- {
- df_insn_rescan (insn);
- copy_value (SET_DEST (set), SET_SRC (set), vd);
- }
- }
-
- if (insn == BB_END (bb))
- break;
- }
-
- return anything_changed;
-}
-
-/* Dump the value chain data to stderr. */
-
-DEBUG_FUNCTION void
-debug_value_data (struct value_data *vd)
-{
- HARD_REG_SET set;
- unsigned int i, j;
-
- CLEAR_HARD_REG_SET (set);
-
- for (i = 0; i < FIRST_PSEUDO_REGISTER; ++i)
- if (vd->e[i].oldest_regno == i)
- {
- if (vd->e[i].mode == VOIDmode)
- {
- if (vd->e[i].next_regno != INVALID_REGNUM)
- fprintf (stderr, "[%u] Bad next_regno for empty chain (%u)\n",
- i, vd->e[i].next_regno);
- continue;
- }
-
- SET_HARD_REG_BIT (set, i);
- fprintf (stderr, "[%u %s] ", i, GET_MODE_NAME (vd->e[i].mode));
-
- for (j = vd->e[i].next_regno;
- j != INVALID_REGNUM;
- j = vd->e[j].next_regno)
- {
- if (TEST_HARD_REG_BIT (set, j))
- {
- fprintf (stderr, "[%u] Loop in regno chain\n", j);
- return;
- }
-
- if (vd->e[j].oldest_regno != i)
- {
- fprintf (stderr, "[%u] Bad oldest_regno (%u)\n",
- j, vd->e[j].oldest_regno);
- return;
- }
- SET_HARD_REG_BIT (set, j);
- fprintf (stderr, "[%u %s] ", j, GET_MODE_NAME (vd->e[j].mode));
- }
- fputc ('\n', stderr);
- }
-
- for (i = 0; i < FIRST_PSEUDO_REGISTER; ++i)
- if (! TEST_HARD_REG_BIT (set, i)
- && (vd->e[i].mode != VOIDmode
- || vd->e[i].oldest_regno != i
- || vd->e[i].next_regno != INVALID_REGNUM))
- fprintf (stderr, "[%u] Non-empty reg in chain (%s %u %i)\n",
- i, GET_MODE_NAME (vd->e[i].mode), vd->e[i].oldest_regno,
- vd->e[i].next_regno);
-}
-
-/* Do copyprop_hardreg_forward_1 for a single basic block BB.
- DEBUG_INSN is skipped since we do not want to involve DF related
- staff as how it is handled in function pass_cprop_hardreg::execute.
-
- NOTE: Currently it is only used for shrink-wrap. Maybe extend it
- to handle DEBUG_INSN for other uses. */
-
-void
-copyprop_hardreg_forward_bb_without_debug_insn (basic_block bb)
-{
- struct value_data *vd;
- vd = XNEWVEC (struct value_data, 1);
- init_value_data (vd);
-
- skip_debug_insn_p = true;
- copyprop_hardreg_forward_1 (bb, vd);
- free (vd);
- skip_debug_insn_p = false;
-}
-
-static void
-validate_value_data (struct value_data *vd)
-{
- HARD_REG_SET set;
- unsigned int i, j;
-
- CLEAR_HARD_REG_SET (set);
-
- for (i = 0; i < FIRST_PSEUDO_REGISTER; ++i)
- if (vd->e[i].oldest_regno == i)
- {
- if (vd->e[i].mode == VOIDmode)
- {
- if (vd->e[i].next_regno != INVALID_REGNUM)
- internal_error ("%qs: [%u] bad %<next_regno%> for empty chain (%u)",
- __func__, i, vd->e[i].next_regno);
- continue;
- }
-
- SET_HARD_REG_BIT (set, i);
-
- for (j = vd->e[i].next_regno;
- j != INVALID_REGNUM;
- j = vd->e[j].next_regno)
- {
- if (TEST_HARD_REG_BIT (set, j))
- internal_error ("%qs: loop in %<next_regno%> chain (%u)",
- __func__, j);
- if (vd->e[j].oldest_regno != i)
- internal_error ("%qs: [%u] bad %<oldest_regno%> (%u)",
- __func__, j, vd->e[j].oldest_regno);
-
- SET_HARD_REG_BIT (set, j);
- }
- }
-
- for (i = 0; i < FIRST_PSEUDO_REGISTER; ++i)
- if (! TEST_HARD_REG_BIT (set, i)
- && (vd->e[i].mode != VOIDmode
- || vd->e[i].oldest_regno != i
- || vd->e[i].next_regno != INVALID_REGNUM))
- internal_error ("%qs: [%u] non-empty register in chain (%s %u %i)",
- __func__, i,
- GET_MODE_NAME (vd->e[i].mode), vd->e[i].oldest_regno,
- vd->e[i].next_regno);
-}
-
-
-namespace {
-
-const pass_data pass_data_cprop_hardreg =
-{
- RTL_PASS, /* type */
- "cprop_hardreg", /* name */
- OPTGROUP_NONE, /* optinfo_flags */
- TV_CPROP_REGISTERS, /* tv_id */
- 0, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_df_finish, /* todo_flags_finish */
-};
-
-class pass_cprop_hardreg : public rtl_opt_pass
-{
-public:
- pass_cprop_hardreg (gcc::context *ctxt)
- : rtl_opt_pass (pass_data_cprop_hardreg, ctxt)
- {}
-
- /* opt_pass methods: */
- virtual bool gate (function *)
- {
- return (optimize > 0 && (flag_cprop_registers));
- }
-
- virtual unsigned int execute (function *);
-
-}; // class pass_cprop_hardreg
-
-static bool
-cprop_hardreg_bb (basic_block bb, struct value_data *all_vd, sbitmap visited)
-{
- bitmap_set_bit (visited, bb->index);
-
- /* If a block has a single predecessor, that we've already
- processed, begin with the value data that was live at
- the end of the predecessor block. */
- /* ??? Ought to use more intelligent queuing of blocks. */
- if (single_pred_p (bb)
- && bitmap_bit_p (visited, single_pred (bb)->index)
- && ! (single_pred_edge (bb)->flags & (EDGE_ABNORMAL_CALL | EDGE_EH)))
- {
- all_vd[bb->index] = all_vd[single_pred (bb)->index];
- if (all_vd[bb->index].n_debug_insn_changes)
- {
- unsigned int regno;
-
- for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
- {
- if (all_vd[bb->index].e[regno].debug_insn_changes)
- {
- struct queued_debug_insn_change *cur;
- for (cur = all_vd[bb->index].e[regno].debug_insn_changes;
- cur; cur = cur->next)
- --all_vd[bb->index].n_debug_insn_changes;
- all_vd[bb->index].e[regno].debug_insn_changes = NULL;
- if (all_vd[bb->index].n_debug_insn_changes == 0)
- break;
- }
- }
- }
- }
- else
- init_value_data (all_vd + bb->index);
-
- return copyprop_hardreg_forward_1 (bb, all_vd + bb->index);
-}
-
-static void
-cprop_hardreg_debug (function *fun, struct value_data *all_vd)
-{
- basic_block bb;
-
- FOR_EACH_BB_FN (bb, fun)
- if (all_vd[bb->index].n_debug_insn_changes)
- {
- unsigned int regno;
- bitmap live;
-
- live = df_get_live_out (bb);
- for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++)
- if (all_vd[bb->index].e[regno].debug_insn_changes)
- {
- if (REGNO_REG_SET_P (live, regno))
- apply_debug_insn_changes (all_vd + bb->index, regno);
-
- struct queued_debug_insn_change *cur;
- for (cur = all_vd[bb->index].e[regno].debug_insn_changes;
- cur; cur = cur->next)
- --all_vd[bb->index].n_debug_insn_changes;
- all_vd[bb->index].e[regno].debug_insn_changes = NULL;
- if (all_vd[bb->index].n_debug_insn_changes == 0)
- break;
- }
- }
-
- queued_debug_insn_change_pool.release ();
-}
-
-unsigned int
-pass_cprop_hardreg::execute (function *fun)
-{
- struct value_data *all_vd;
- basic_block bb;
-
- all_vd = XNEWVEC (struct value_data, last_basic_block_for_fn (fun));
-
- auto_sbitmap visited (last_basic_block_for_fn (fun));
- bitmap_clear (visited);
-
- auto_vec<int> worklist;
- bool any_debug_changes = false;
-
- /* We need accurate notes. Earlier passes such as if-conversion may
- leave notes in an inconsistent state. */
- df_note_add_problem ();
- df_analyze ();
-
- /* It is tempting to set DF_LR_RUN_DCE, but DCE may choose to delete
- an insn and this pass would not have visibility into the removal.
- This pass would then potentially use the source of that
- INSN for propagation purposes, generating invalid code.
-
- So we just ask for updated notes and handle trivial deletions
- within this pass where we can update this passes internal
- data structures appropriately. */
- df_set_flags (DF_DEFER_INSN_RESCAN);
-
- FOR_EACH_BB_FN (bb, fun)
- {
- if (cprop_hardreg_bb (bb, all_vd, visited))
- worklist.safe_push (bb->index);
- if (all_vd[bb->index].n_debug_insn_changes)
- any_debug_changes = true;
- }
-
- /* We must call df_analyze here unconditionally to ensure that the
- REG_UNUSED and REG_DEAD notes are consistent with and without -g. */
- df_analyze ();
-
- if (MAY_HAVE_DEBUG_BIND_INSNS && any_debug_changes)
- cprop_hardreg_debug (fun, all_vd);
-
- /* Second pass if we've changed anything, only for the bbs where we have
- changed anything though. */
- if (!worklist.is_empty ())
- {
- any_debug_changes = false;
- bitmap_clear (visited);
- for (int index : worklist)
- {
- bb = BASIC_BLOCK_FOR_FN (fun, index);
- cprop_hardreg_bb (bb, all_vd, visited);
- if (all_vd[bb->index].n_debug_insn_changes)
- any_debug_changes = true;
- }
-
- df_analyze ();
- if (MAY_HAVE_DEBUG_BIND_INSNS && any_debug_changes)
- cprop_hardreg_debug (fun, all_vd);
- }
-
- free (all_vd);
- return 0;
-}
-
-} // anon namespace
-
-rtl_opt_pass *
-make_pass_cprop_hardreg (gcc::context *ctxt)
-{
- return new pass_cprop_hardreg (ctxt);
-}
generated by cgit v1.1 at 2025-03-01 03:26:42 +0000