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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/dce.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 to... * common/config/m68k/m68k-common.cc: ...here. * common/config/mcore/mcore-common.c: Moved to... * common/config/mcore/mcore-common.cc: ...here. * common/config/microblaze/microblaze-common.c: Moved to... * common/config/microblaze/microblaze-common.cc: ...here. * common/config/mips/mips-common.c: Moved to... * common/config/mips/mips-common.cc: ...here. * common/config/mmix/mmix-common.c: Moved to... * common/config/mmix/mmix-common.cc: ...here. * common/config/mn10300/mn10300-common.c: Moved to... * common/config/mn10300/mn10300-common.cc: ...here. * common/config/msp430/msp430-common.c: Moved to... * common/config/msp430/msp430-common.cc: ...here. * common/config/nds32/nds32-common.c: Moved to... * common/config/nds32/nds32-common.cc: ...here. * common/config/nios2/nios2-common.c: Moved to... * common/config/nios2/nios2-common.cc: ...here. * common/config/nvptx/nvptx-common.c: Moved to... * common/config/nvptx/nvptx-common.cc: ...here. * common/config/or1k/or1k-common.c: Moved to... * common/config/or1k/or1k-common.cc: ...here. * common/config/pa/pa-common.c: Moved to... * common/config/pa/pa-common.cc: ...here. * common/config/pdp11/pdp11-common.c: Moved to... * common/config/pdp11/pdp11-common.cc: ...here. * common/config/pru/pru-common.c: Moved to... * common/config/pru/pru-common.cc: ...here. * common/config/riscv/riscv-common.c: Moved to... * common/config/riscv/riscv-common.cc: ...here. * common/config/rs6000/rs6000-common.c: Moved to... * common/config/rs6000/rs6000-common.cc: ...here. * common/config/rx/rx-common.c: Moved to... * common/config/rx/rx-common.cc: ...here. * common/config/s390/s390-common.c: Moved to... * common/config/s390/s390-common.cc: ...here. * common/config/sh/sh-common.c: Moved to... * common/config/sh/sh-common.cc: ...here. * common/config/sparc/sparc-common.c: Moved to... * common/config/sparc/sparc-common.cc: ...here. * common/config/tilegx/tilegx-common.c: Moved to... * common/config/tilegx/tilegx-common.cc: ...here. * common/config/tilepro/tilepro-common.c: Moved to... * common/config/tilepro/tilepro-common.cc: ...here. * common/config/v850/v850-common.c: Moved to... * common/config/v850/v850-common.cc: ...here. * common/config/vax/vax-common.c: Moved to... * common/config/vax/vax-common.cc: ...here. * common/config/visium/visium-common.c: Moved to... * common/config/visium/visium-common.cc: ...here. * common/config/xstormy16/xstormy16-common.c: Moved to... * common/config/xstormy16/xstormy16-common.cc: ...here. * common/config/xtensa/xtensa-common.c: Moved to... * common/config/xtensa/xtensa-common.cc: ...here. * compare-elim.c: Moved to... * compare-elim.cc: ...here. * config/aarch64/aarch64-bti-insert.c: Moved to... * config/aarch64/aarch64-bti-insert.cc: ...here. * config/aarch64/aarch64-builtins.c: Moved to... * config/aarch64/aarch64-builtins.cc: ...here. * config/aarch64/aarch64-c.c: Moved to... * config/aarch64/aarch64-c.cc: ...here. * config/aarch64/aarch64-d.c: Moved to... * 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config/arm/arm-builtins.c: Moved to... * config/arm/arm-builtins.cc: ...here. * config/arm/arm-c.c: Moved to... * config/arm/arm-c.cc: ...here. * config/arm/arm-d.c: Moved to... * config/arm/arm-d.cc: ...here. * config/arm/arm.c: Moved to... * config/arm/arm.cc: ...here. * config/arm/driver-arm.c: Moved to... * config/arm/driver-arm.cc: ...here. * config/avr/avr-c.c: Moved to... * config/avr/avr-c.cc: ...here. * config/avr/avr-devices.c: Moved to... * config/avr/avr-devices.cc: ...here. * config/avr/avr-log.c: Moved to... * config/avr/avr-log.cc: ...here. * config/avr/avr.c: Moved to... * config/avr/avr.cc: ...here. * config/avr/driver-avr.c: Moved to... * config/avr/driver-avr.cc: ...here. * config/avr/gen-avr-mmcu-specs.c: Moved to... * config/avr/gen-avr-mmcu-specs.cc: ...here. * config/avr/gen-avr-mmcu-texi.c: Moved to... * config/avr/gen-avr-mmcu-texi.cc: ...here. * config/bfin/bfin.c: Moved to... * config/bfin/bfin.cc: ...here. * config/bpf/bpf.c: Moved to... * config/bpf/bpf.cc: 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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/dce.c')
-rw-r--r--gcc/dce.c1301
1 files changed, 0 insertions, 1301 deletions
diff --git a/gcc/dce.c b/gcc/dce.c
deleted file mode 100644
index 6676cbc..0000000
--- a/gcc/dce.c
+++ /dev/null
@@ -1,1301 +0,0 @@
-/* RTL dead code elimination.
- Copyright (C) 2005-2022 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 "tree.h"
-#include "predict.h"
-#include "df.h"
-#include "memmodel.h"
-#include "tm_p.h"
-#include "emit-rtl.h" /* FIXME: Can go away once crtl is moved to rtl.h. */
-#include "cfgrtl.h"
-#include "cfgbuild.h"
-#include "cfgcleanup.h"
-#include "dce.h"
-#include "valtrack.h"
-#include "tree-pass.h"
-#include "dbgcnt.h"
-#include "rtl-iter.h"
-
-
-/* -------------------------------------------------------------------------
- Core mark/delete routines
- ------------------------------------------------------------------------- */
-
-/* True if we are invoked while the df engine is running; in this case,
- we don't want to reenter it. */
-static bool df_in_progress = false;
-
-/* True if we are allowed to alter the CFG in this pass. */
-static bool can_alter_cfg = false;
-
-/* Instructions that have been marked but whose dependencies have not
- yet been processed. */
-static vec<rtx_insn *> worklist;
-
-/* Bitmap of instructions marked as needed indexed by INSN_UID. */
-static sbitmap marked;
-
-/* Bitmap obstacks used for block processing by the fast algorithm. */
-static bitmap_obstack dce_blocks_bitmap_obstack;
-static bitmap_obstack dce_tmp_bitmap_obstack;
-
-static bool find_call_stack_args (rtx_call_insn *, bool, bool, bitmap);
-
-/* A subroutine for which BODY is part of the instruction being tested;
- either the top-level pattern, or an element of a PARALLEL. The
- instruction is known not to be a bare USE or CLOBBER. */
-
-static bool
-deletable_insn_p_1 (rtx body)
-{
- switch (GET_CODE (body))
- {
- case PREFETCH:
- case TRAP_IF:
- /* The UNSPEC case was added here because the ia-64 claims that
- USEs do not work after reload and generates UNSPECS rather
- than USEs. Since dce is run after reload we need to avoid
- deleting these even if they are dead. If it turns out that
- USEs really do work after reload, the ia-64 should be
- changed, and the UNSPEC case can be removed. */
- case UNSPEC:
- return false;
-
- default:
- return !volatile_refs_p (body);
- }
-}
-
-/* Don't delete calls that may throw if we cannot do so. */
-
-static bool
-can_delete_call (rtx_insn *insn)
-{
- if (cfun->can_delete_dead_exceptions && can_alter_cfg)
- return true;
- if (!insn_nothrow_p (insn))
- return false;
- if (can_alter_cfg)
- return true;
- /* If we can't alter cfg, even when the call can't throw exceptions, it
- might have EDGE_ABNORMAL_CALL edges and so we shouldn't delete such
- calls. */
- gcc_assert (CALL_P (insn));
- if (BLOCK_FOR_INSN (insn) && BB_END (BLOCK_FOR_INSN (insn)) == insn)
- {
- edge e;
- edge_iterator ei;
-
- FOR_EACH_EDGE (e, ei, BLOCK_FOR_INSN (insn)->succs)
- if ((e->flags & EDGE_ABNORMAL_CALL) != 0)
- return false;
- }
- return true;
-}
-
-/* Return true if INSN is a normal instruction that can be deleted by
- the DCE pass. */
-
-static bool
-deletable_insn_p (rtx_insn *insn, bool fast, bitmap arg_stores)
-{
- rtx body, x;
- int i;
- df_ref def;
-
- if (CALL_P (insn)
- /* We cannot delete calls inside of the recursive dce because
- this may cause basic blocks to be deleted and this messes up
- the rest of the stack of optimization passes. */
- && (!df_in_progress)
- /* We cannot delete pure or const sibling calls because it is
- hard to see the result. */
- && (!SIBLING_CALL_P (insn))
- /* We can delete dead const or pure calls as long as they do not
- infinite loop. */
- && (RTL_CONST_OR_PURE_CALL_P (insn)
- && !RTL_LOOPING_CONST_OR_PURE_CALL_P (insn))
- /* Don't delete calls that may throw if we cannot do so. */
- && can_delete_call (insn))
- return find_call_stack_args (as_a <rtx_call_insn *> (insn), false,
- fast, arg_stores);
-
- /* Don't delete jumps, notes and the like. */
- if (!NONJUMP_INSN_P (insn))
- return false;
-
- /* Don't delete insns that may throw if we cannot do so. */
- if (!(cfun->can_delete_dead_exceptions && can_alter_cfg)
- && !insn_nothrow_p (insn))
- return false;
-
- /* If INSN sets a global_reg, leave it untouched. */
- FOR_EACH_INSN_DEF (def, insn)
- if (HARD_REGISTER_NUM_P (DF_REF_REGNO (def))
- && global_regs[DF_REF_REGNO (def)])
- return false;
- /* Initialization of pseudo PIC register should never be removed. */
- else if (DF_REF_REG (def) == pic_offset_table_rtx
- && REGNO (pic_offset_table_rtx) >= FIRST_PSEUDO_REGISTER)
- return false;
-
- /* Callee-save restores are needed. */
- if (RTX_FRAME_RELATED_P (insn)
- && crtl->shrink_wrapped_separate
- && find_reg_note (insn, REG_CFA_RESTORE, NULL))
- return false;
-
- body = PATTERN (insn);
- switch (GET_CODE (body))
- {
- case USE:
- case VAR_LOCATION:
- return false;
-
- case CLOBBER:
- if (fast)
- {
- /* A CLOBBER of a dead pseudo register serves no purpose.
- That is not necessarily true for hard registers until
- after reload. */
- x = XEXP (body, 0);
- return REG_P (x) && (!HARD_REGISTER_P (x) || reload_completed);
- }
- else
- /* Because of the way that use-def chains are built, it is not
- possible to tell if the clobber is dead because it can
- never be the target of a use-def chain. */
- return false;
-
- case PARALLEL:
- for (i = XVECLEN (body, 0) - 1; i >= 0; i--)
- if (!deletable_insn_p_1 (XVECEXP (body, 0, i)))
- return false;
- return true;
-
- default:
- return deletable_insn_p_1 (body);
- }
-}
-
-
-/* Return true if INSN has been marked as needed. */
-
-static inline int
-marked_insn_p (rtx_insn *insn)
-{
- /* Artificial defs are always needed and they do not have an insn.
- We should never see them here. */
- gcc_assert (insn);
- return bitmap_bit_p (marked, INSN_UID (insn));
-}
-
-
-/* If INSN has not yet been marked as needed, mark it now, and add it to
- the worklist. */
-
-static void
-mark_insn (rtx_insn *insn, bool fast)
-{
- if (!marked_insn_p (insn))
- {
- if (!fast)
- worklist.safe_push (insn);
- bitmap_set_bit (marked, INSN_UID (insn));
- if (dump_file)
- fprintf (dump_file, " Adding insn %d to worklist\n", INSN_UID (insn));
- if (CALL_P (insn)
- && !df_in_progress
- && !SIBLING_CALL_P (insn)
- && (RTL_CONST_OR_PURE_CALL_P (insn)
- && !RTL_LOOPING_CONST_OR_PURE_CALL_P (insn))
- && can_delete_call (insn))
- find_call_stack_args (as_a <rtx_call_insn *> (insn), true, fast, NULL);
- }
-}
-
-
-/* A note_stores callback used by mark_nonreg_stores. DATA is the
- instruction containing DEST. */
-
-static void
-mark_nonreg_stores_1 (rtx dest, const_rtx pattern, void *data)
-{
- if (GET_CODE (pattern) != CLOBBER && !REG_P (dest))
- mark_insn ((rtx_insn *) data, true);
-}
-
-
-/* A note_stores callback used by mark_nonreg_stores. DATA is the
- instruction containing DEST. */
-
-static void
-mark_nonreg_stores_2 (rtx dest, const_rtx pattern, void *data)
-{
- if (GET_CODE (pattern) != CLOBBER && !REG_P (dest))
- mark_insn ((rtx_insn *) data, false);
-}
-
-
-/* Mark INSN if it stores to a non-register destination. */
-
-static void
-mark_nonreg_stores (rtx_insn *insn, bool fast)
-{
- if (fast)
- note_stores (insn, mark_nonreg_stores_1, insn);
- else
- note_stores (insn, mark_nonreg_stores_2, insn);
-}
-
-
-/* Return true if a store to SIZE bytes, starting OFF bytes from stack pointer,
- is a call argument store, and clear corresponding bits from SP_BYTES
- bitmap if it is. */
-
-static bool
-check_argument_store (HOST_WIDE_INT size, HOST_WIDE_INT off,
- HOST_WIDE_INT min_sp_off, HOST_WIDE_INT max_sp_off,
- bitmap sp_bytes)
-{
- HOST_WIDE_INT byte;
- for (byte = off; byte < off + size; byte++)
- {
- if (byte < min_sp_off
- || byte >= max_sp_off
- || !bitmap_clear_bit (sp_bytes, byte - min_sp_off))
- return false;
- }
- return true;
-}
-
-/* If MEM has sp address, return 0, if it has sp + const address,
- return that const, if it has reg address where reg is set to sp + const
- and FAST is false, return const, otherwise return
- INTTYPE_MINUMUM (HOST_WIDE_INT). */
-
-static HOST_WIDE_INT
-sp_based_mem_offset (rtx_call_insn *call_insn, const_rtx mem, bool fast)
-{
- HOST_WIDE_INT off = 0;
- rtx addr = XEXP (mem, 0);
- if (GET_CODE (addr) == PLUS
- && REG_P (XEXP (addr, 0))
- && CONST_INT_P (XEXP (addr, 1)))
- {
- off = INTVAL (XEXP (addr, 1));
- addr = XEXP (addr, 0);
- }
- if (addr == stack_pointer_rtx)
- return off;
-
- if (!REG_P (addr) || fast)
- return INTTYPE_MINIMUM (HOST_WIDE_INT);
-
- /* If not fast, use chains to see if addr wasn't set to sp + offset. */
- df_ref use;
- FOR_EACH_INSN_USE (use, call_insn)
- if (rtx_equal_p (addr, DF_REF_REG (use)))
- break;
-
- if (use == NULL)
- return INTTYPE_MINIMUM (HOST_WIDE_INT);
-
- struct df_link *defs;
- for (defs = DF_REF_CHAIN (use); defs; defs = defs->next)
- if (! DF_REF_IS_ARTIFICIAL (defs->ref))
- break;
-
- if (defs == NULL)
- return INTTYPE_MINIMUM (HOST_WIDE_INT);
-
- rtx set = single_set (DF_REF_INSN (defs->ref));
- if (!set)
- return INTTYPE_MINIMUM (HOST_WIDE_INT);
-
- if (GET_CODE (SET_SRC (set)) != PLUS
- || XEXP (SET_SRC (set), 0) != stack_pointer_rtx
- || !CONST_INT_P (XEXP (SET_SRC (set), 1)))
- return INTTYPE_MINIMUM (HOST_WIDE_INT);
-
- off += INTVAL (XEXP (SET_SRC (set), 1));
- return off;
-}
-
-/* Data for check_argument_load called via note_uses. */
-struct check_argument_load_data {
- bitmap sp_bytes;
- HOST_WIDE_INT min_sp_off, max_sp_off;
- rtx_call_insn *call_insn;
- bool fast;
- bool load_found;
-};
-
-/* Helper function for find_call_stack_args. Check if there are
- any loads from the argument slots in between the const/pure call
- and store to the argument slot, set LOAD_FOUND if any is found. */
-
-static void
-check_argument_load (rtx *loc, void *data)
-{
- struct check_argument_load_data *d
- = (struct check_argument_load_data *) data;
- subrtx_iterator::array_type array;
- FOR_EACH_SUBRTX (iter, array, *loc, NONCONST)
- {
- const_rtx mem = *iter;
- HOST_WIDE_INT size;
- if (MEM_P (mem)
- && MEM_SIZE_KNOWN_P (mem)
- && MEM_SIZE (mem).is_constant (&size))
- {
- HOST_WIDE_INT off = sp_based_mem_offset (d->call_insn, mem, d->fast);
- if (off != INTTYPE_MINIMUM (HOST_WIDE_INT)
- && off < d->max_sp_off
- && off + size > d->min_sp_off)
- for (HOST_WIDE_INT byte = MAX (off, d->min_sp_off);
- byte < MIN (off + size, d->max_sp_off); byte++)
- if (bitmap_bit_p (d->sp_bytes, byte - d->min_sp_off))
- {
- d->load_found = true;
- return;
- }
- }
- }
-}
-
-/* Try to find all stack stores of CALL_INSN arguments if
- ACCUMULATE_OUTGOING_ARGS. If all stack stores have been found
- and it is therefore safe to eliminate the call, return true,
- otherwise return false. This function should be first called
- with DO_MARK false, and only when the CALL_INSN is actually
- going to be marked called again with DO_MARK true. */
-
-static bool
-find_call_stack_args (rtx_call_insn *call_insn, bool do_mark, bool fast,
- bitmap arg_stores)
-{
- rtx p;
- rtx_insn *insn, *prev_insn;
- bool ret;
- HOST_WIDE_INT min_sp_off, max_sp_off;
- bitmap sp_bytes;
-
- gcc_assert (CALL_P (call_insn));
- if (!ACCUMULATE_OUTGOING_ARGS)
- return true;
-
- if (!do_mark)
- {
- gcc_assert (arg_stores);
- bitmap_clear (arg_stores);
- }
-
- min_sp_off = INTTYPE_MAXIMUM (HOST_WIDE_INT);
- max_sp_off = 0;
-
- /* First determine the minimum and maximum offset from sp for
- stored arguments. */
- for (p = CALL_INSN_FUNCTION_USAGE (call_insn); p; p = XEXP (p, 1))
- if (GET_CODE (XEXP (p, 0)) == USE
- && MEM_P (XEXP (XEXP (p, 0), 0)))
- {
- rtx mem = XEXP (XEXP (p, 0), 0);
- HOST_WIDE_INT size;
- if (!MEM_SIZE_KNOWN_P (mem) || !MEM_SIZE (mem).is_constant (&size))
- return false;
- HOST_WIDE_INT off = sp_based_mem_offset (call_insn, mem, fast);
- if (off == INTTYPE_MINIMUM (HOST_WIDE_INT))
- return false;
- min_sp_off = MIN (min_sp_off, off);
- max_sp_off = MAX (max_sp_off, off + size);
- }
-
- if (min_sp_off >= max_sp_off)
- return true;
- sp_bytes = BITMAP_ALLOC (NULL);
-
- /* Set bits in SP_BYTES bitmap for bytes relative to sp + min_sp_off
- which contain arguments. Checking has been done in the previous
- loop. */
- for (p = CALL_INSN_FUNCTION_USAGE (call_insn); p; p = XEXP (p, 1))
- if (GET_CODE (XEXP (p, 0)) == USE
- && MEM_P (XEXP (XEXP (p, 0), 0)))
- {
- rtx mem = XEXP (XEXP (p, 0), 0);
- /* Checked in the previous iteration. */
- HOST_WIDE_INT size = MEM_SIZE (mem).to_constant ();
- HOST_WIDE_INT off = sp_based_mem_offset (call_insn, mem, fast);
- gcc_checking_assert (off != INTTYPE_MINIMUM (HOST_WIDE_INT));
- for (HOST_WIDE_INT byte = off; byte < off + size; byte++)
- if (!bitmap_set_bit (sp_bytes, byte - min_sp_off))
- gcc_unreachable ();
- }
-
- /* Walk backwards, looking for argument stores. The search stops
- when seeing another call, sp adjustment, memory store other than
- argument store or a read from an argument stack slot. */
- struct check_argument_load_data data
- = { sp_bytes, min_sp_off, max_sp_off, call_insn, fast, false };
- ret = false;
- for (insn = PREV_INSN (call_insn); insn; insn = prev_insn)
- {
- if (insn == BB_HEAD (BLOCK_FOR_INSN (call_insn)))
- prev_insn = NULL;
- else
- prev_insn = PREV_INSN (insn);
-
- if (CALL_P (insn))
- break;
-
- if (!NONDEBUG_INSN_P (insn))
- continue;
-
- rtx set = single_set (insn);
- if (!set || SET_DEST (set) == stack_pointer_rtx)
- break;
-
- note_uses (&PATTERN (insn), check_argument_load, &data);
- if (data.load_found)
- break;
-
- if (!MEM_P (SET_DEST (set)))
- continue;
-
- rtx mem = SET_DEST (set);
- HOST_WIDE_INT off = sp_based_mem_offset (call_insn, mem, fast);
- if (off == INTTYPE_MINIMUM (HOST_WIDE_INT))
- break;
-
- HOST_WIDE_INT size;
- if (!MEM_SIZE_KNOWN_P (mem)
- || !MEM_SIZE (mem).is_constant (&size)
- || !check_argument_store (size, off, min_sp_off,
- max_sp_off, sp_bytes))
- break;
-
- if (!deletable_insn_p (insn, fast, NULL))
- break;
-
- if (do_mark)
- mark_insn (insn, fast);
- else
- bitmap_set_bit (arg_stores, INSN_UID (insn));
-
- if (bitmap_empty_p (sp_bytes))
- {
- ret = true;
- break;
- }
- }
-
- BITMAP_FREE (sp_bytes);
- if (!ret && arg_stores)
- bitmap_clear (arg_stores);
-
- return ret;
-}
-
-
-/* Remove all REG_EQUAL and REG_EQUIV notes referring to the registers INSN
- writes to. */
-
-static void
-remove_reg_equal_equiv_notes_for_defs (rtx_insn *insn)
-{
- df_ref def;
-
- FOR_EACH_INSN_DEF (def, insn)
- remove_reg_equal_equiv_notes_for_regno (DF_REF_REGNO (def));
-}
-
-/* Scan all BBs for debug insns and reset those that reference values
- defined in unmarked insns. */
-
-static void
-reset_unmarked_insns_debug_uses (void)
-{
- basic_block bb;
- rtx_insn *insn, *next;
-
- FOR_EACH_BB_REVERSE_FN (bb, cfun)
- FOR_BB_INSNS_REVERSE_SAFE (bb, insn, next)
- if (DEBUG_INSN_P (insn))
- {
- df_ref use;
-
- FOR_EACH_INSN_USE (use, insn)
- {
- struct df_link *defs;
- for (defs = DF_REF_CHAIN (use); defs; defs = defs->next)
- {
- rtx_insn *ref_insn;
- if (DF_REF_IS_ARTIFICIAL (defs->ref))
- continue;
- ref_insn = DF_REF_INSN (defs->ref);
- if (!marked_insn_p (ref_insn))
- break;
- }
- if (!defs)
- continue;
- /* ??? FIXME could we propagate the values assigned to
- each of the DEFs? */
- INSN_VAR_LOCATION_LOC (insn) = gen_rtx_UNKNOWN_VAR_LOC ();
- df_insn_rescan_debug_internal (insn);
- break;
- }
- }
-}
-
-/* Delete every instruction that hasn't been marked. */
-
-static void
-delete_unmarked_insns (void)
-{
- basic_block bb;
- rtx_insn *insn, *next;
- bool must_clean = false;
-
- FOR_EACH_BB_REVERSE_FN (bb, cfun)
- FOR_BB_INSNS_REVERSE_SAFE (bb, insn, next)
- if (NONDEBUG_INSN_P (insn))
- {
- rtx turn_into_use = NULL_RTX;
-
- /* Always delete no-op moves. */
- if (noop_move_p (insn)
- /* Unless the no-op move can throw and we are not allowed
- to alter cfg. */
- && (!cfun->can_throw_non_call_exceptions
- || (cfun->can_delete_dead_exceptions && can_alter_cfg)
- || insn_nothrow_p (insn)))
- {
- if (RTX_FRAME_RELATED_P (insn))
- turn_into_use
- = find_reg_note (insn, REG_CFA_RESTORE, NULL);
- if (turn_into_use && REG_P (XEXP (turn_into_use, 0)))
- turn_into_use = XEXP (turn_into_use, 0);
- else
- turn_into_use = NULL_RTX;
- }
-
- /* Otherwise rely only on the DCE algorithm. */
- else if (marked_insn_p (insn))
- continue;
-
- /* Beware that reaching a dbg counter limit here can result
- in miscompiled file. This occurs when a group of insns
- must be deleted together, typically because the kept insn
- depends on the output from the deleted insn. Deleting
- this insns in reverse order (both at the bb level and
- when looking at the blocks) minimizes this, but does not
- eliminate it, since it is possible for the using insn to
- be top of a block and the producer to be at the bottom of
- the block. However, in most cases this will only result
- in an uninitialized use of an insn that is dead anyway.
-
- However, there is one rare case that will cause a
- miscompile: deletion of non-looping pure and constant
- calls on a machine where ACCUMULATE_OUTGOING_ARGS is true.
- In this case it is possible to remove the call, but leave
- the argument pushes to the stack. Because of the changes
- to the stack pointer, this will almost always lead to a
- miscompile. */
- if (!dbg_cnt (dce))
- continue;
-
- if (dump_file)
- fprintf (dump_file, "DCE: Deleting insn %d\n", INSN_UID (insn));
-
- /* Before we delete the insn we have to remove the REG_EQUAL notes
- for the destination regs in order to avoid dangling notes. */
- remove_reg_equal_equiv_notes_for_defs (insn);
-
- if (turn_into_use)
- {
- /* Don't remove frame related noop moves if they cary
- REG_CFA_RESTORE note, while we don't need to emit any code,
- we need it to emit the CFI restore note. */
- PATTERN (insn)
- = gen_rtx_USE (GET_MODE (turn_into_use), turn_into_use);
- INSN_CODE (insn) = -1;
- df_insn_rescan (insn);
- }
- else
- /* Now delete the insn. */
- must_clean |= delete_insn_and_edges (insn);
- }
-
- /* Deleted a pure or const call. */
- if (must_clean)
- {
- gcc_assert (can_alter_cfg);
- delete_unreachable_blocks ();
- free_dominance_info (CDI_DOMINATORS);
- }
-}
-
-
-/* Go through the instructions and mark those whose necessity is not
- dependent on inter-instruction information. Make sure all other
- instructions are not marked. */
-
-static void
-prescan_insns_for_dce (bool fast)
-{
- basic_block bb;
- rtx_insn *insn, *prev;
- bitmap arg_stores = NULL;
-
- if (dump_file)
- fprintf (dump_file, "Finding needed instructions:\n");
-
- if (!df_in_progress && ACCUMULATE_OUTGOING_ARGS)
- arg_stores = BITMAP_ALLOC (NULL);
-
- FOR_EACH_BB_FN (bb, cfun)
- {
- FOR_BB_INSNS_REVERSE_SAFE (bb, insn, prev)
- if (NONDEBUG_INSN_P (insn))
- {
- /* Don't mark argument stores now. They will be marked
- if needed when the associated CALL is marked. */
- if (arg_stores && bitmap_bit_p (arg_stores, INSN_UID (insn)))
- continue;
- if (deletable_insn_p (insn, fast, arg_stores))
- mark_nonreg_stores (insn, fast);
- else
- mark_insn (insn, fast);
- }
- /* find_call_stack_args only looks at argument stores in the
- same bb. */
- if (arg_stores)
- bitmap_clear (arg_stores);
- }
-
- if (arg_stores)
- BITMAP_FREE (arg_stores);
-
- if (dump_file)
- fprintf (dump_file, "Finished finding needed instructions:\n");
-}
-
-
-/* UD-based DSE routines. */
-
-/* Mark instructions that define artificially-used registers, such as
- the frame pointer and the stack pointer. */
-
-static void
-mark_artificial_uses (void)
-{
- basic_block bb;
- struct df_link *defs;
- df_ref use;
-
- FOR_ALL_BB_FN (bb, cfun)
- FOR_EACH_ARTIFICIAL_USE (use, bb->index)
- for (defs = DF_REF_CHAIN (use); defs; defs = defs->next)
- if (!DF_REF_IS_ARTIFICIAL (defs->ref))
- mark_insn (DF_REF_INSN (defs->ref), false);
-}
-
-
-/* Mark every instruction that defines a register value that INSN uses. */
-
-static void
-mark_reg_dependencies (rtx_insn *insn)
-{
- struct df_link *defs;
- df_ref use;
-
- if (DEBUG_INSN_P (insn))
- return;
-
- FOR_EACH_INSN_USE (use, insn)
- {
- if (dump_file)
- {
- fprintf (dump_file, "Processing use of ");
- print_simple_rtl (dump_file, DF_REF_REG (use));
- fprintf (dump_file, " in insn %d:\n", INSN_UID (insn));
- }
- for (defs = DF_REF_CHAIN (use); defs; defs = defs->next)
- if (! DF_REF_IS_ARTIFICIAL (defs->ref))
- mark_insn (DF_REF_INSN (defs->ref), false);
- }
-}
-
-
-/* Initialize global variables for a new DCE pass. */
-
-static void
-init_dce (bool fast)
-{
- if (!df_in_progress)
- {
- if (!fast)
- {
- df_set_flags (DF_RD_PRUNE_DEAD_DEFS);
- df_chain_add_problem (DF_UD_CHAIN);
- }
- df_analyze ();
- }
-
- if (dump_file)
- df_dump (dump_file);
-
- if (fast)
- {
- bitmap_obstack_initialize (&dce_blocks_bitmap_obstack);
- bitmap_obstack_initialize (&dce_tmp_bitmap_obstack);
- can_alter_cfg = false;
- }
- else
- can_alter_cfg = true;
-
- marked = sbitmap_alloc (get_max_uid () + 1);
- bitmap_clear (marked);
-}
-
-
-/* Free the data allocated by init_dce. */
-
-static void
-fini_dce (bool fast)
-{
- sbitmap_free (marked);
-
- if (fast)
- {
- bitmap_obstack_release (&dce_blocks_bitmap_obstack);
- bitmap_obstack_release (&dce_tmp_bitmap_obstack);
- }
-}
-
-
-/* UD-chain based DCE. */
-
-static unsigned int
-rest_of_handle_ud_dce (void)
-{
- rtx_insn *insn;
-
- init_dce (false);
-
- prescan_insns_for_dce (false);
- mark_artificial_uses ();
- while (worklist.length () > 0)
- {
- insn = worklist.pop ();
- mark_reg_dependencies (insn);
- }
- worklist.release ();
-
- if (MAY_HAVE_DEBUG_BIND_INSNS)
- reset_unmarked_insns_debug_uses ();
-
- /* Before any insns are deleted, we must remove the chains since
- they are not bidirectional. */
- df_remove_problem (df_chain);
- delete_unmarked_insns ();
-
- fini_dce (false);
- return 0;
-}
-
-
-namespace {
-
-const pass_data pass_data_ud_rtl_dce =
-{
- RTL_PASS, /* type */
- "ud_dce", /* name */
- OPTGROUP_NONE, /* optinfo_flags */
- TV_DCE, /* tv_id */
- 0, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_df_finish, /* todo_flags_finish */
-};
-
-class pass_ud_rtl_dce : public rtl_opt_pass
-{
-public:
- pass_ud_rtl_dce (gcc::context *ctxt)
- : rtl_opt_pass (pass_data_ud_rtl_dce, ctxt)
- {}
-
- /* opt_pass methods: */
- virtual bool gate (function *)
- {
- return optimize > 1 && flag_dce && dbg_cnt (dce_ud);
- }
-
- virtual unsigned int execute (function *)
- {
- return rest_of_handle_ud_dce ();
- }
-
-}; // class pass_ud_rtl_dce
-
-} // anon namespace
-
-rtl_opt_pass *
-make_pass_ud_rtl_dce (gcc::context *ctxt)
-{
- return new pass_ud_rtl_dce (ctxt);
-}
-
-
-/* -------------------------------------------------------------------------
- Fast DCE functions
- ------------------------------------------------------------------------- */
-
-/* Process basic block BB. Return true if the live_in set has
- changed. REDO_OUT is true if the info at the bottom of the block
- needs to be recalculated before starting. AU is the proper set of
- artificial uses. Track global substitution of uses of dead pseudos
- in debug insns using GLOBAL_DEBUG. */
-
-static bool
-word_dce_process_block (basic_block bb, bool redo_out,
- struct dead_debug_global *global_debug)
-{
- bitmap local_live = BITMAP_ALLOC (&dce_tmp_bitmap_obstack);
- rtx_insn *insn;
- bool block_changed;
- struct dead_debug_local debug;
-
- if (redo_out)
- {
- /* Need to redo the live_out set of this block if when one of
- the succs of this block has had a change in it live in
- set. */
- edge e;
- edge_iterator ei;
- df_confluence_function_n con_fun_n = df_word_lr->problem->con_fun_n;
- bitmap_clear (DF_WORD_LR_OUT (bb));
- FOR_EACH_EDGE (e, ei, bb->succs)
- (*con_fun_n) (e);
- }
-
- if (dump_file)
- {
- fprintf (dump_file, "processing block %d live out = ", bb->index);
- df_print_word_regset (dump_file, DF_WORD_LR_OUT (bb));
- }
-
- bitmap_copy (local_live, DF_WORD_LR_OUT (bb));
- dead_debug_local_init (&debug, NULL, global_debug);
-
- FOR_BB_INSNS_REVERSE (bb, insn)
- if (DEBUG_INSN_P (insn))
- {
- df_ref use;
- FOR_EACH_INSN_USE (use, insn)
- if (DF_REF_REGNO (use) >= FIRST_PSEUDO_REGISTER
- && known_eq (GET_MODE_SIZE (GET_MODE (DF_REF_REAL_REG (use))),
- 2 * UNITS_PER_WORD)
- && !bitmap_bit_p (local_live, 2 * DF_REF_REGNO (use))
- && !bitmap_bit_p (local_live, 2 * DF_REF_REGNO (use) + 1))
- dead_debug_add (&debug, use, DF_REF_REGNO (use));
- }
- else if (INSN_P (insn))
- {
- bool any_changed;
-
- /* No matter if the instruction is needed or not, we remove
- any regno in the defs from the live set. */
- any_changed = df_word_lr_simulate_defs (insn, local_live);
- if (any_changed)
- mark_insn (insn, true);
-
- /* On the other hand, we do not allow the dead uses to set
- anything in local_live. */
- if (marked_insn_p (insn))
- df_word_lr_simulate_uses (insn, local_live);
-
- /* Insert debug temps for dead REGs used in subsequent debug
- insns. We may have to emit a debug temp even if the insn
- was marked, in case the debug use was after the point of
- death. */
- if (debug.used && !bitmap_empty_p (debug.used))
- {
- df_ref def;
-
- FOR_EACH_INSN_DEF (def, insn)
- dead_debug_insert_temp (&debug, DF_REF_REGNO (def), insn,
- marked_insn_p (insn)
- && !control_flow_insn_p (insn)
- ? DEBUG_TEMP_AFTER_WITH_REG_FORCE
- : DEBUG_TEMP_BEFORE_WITH_VALUE);
- }
-
- if (dump_file)
- {
- fprintf (dump_file, "finished processing insn %d live out = ",
- INSN_UID (insn));
- df_print_word_regset (dump_file, local_live);
- }
- }
-
- block_changed = !bitmap_equal_p (local_live, DF_WORD_LR_IN (bb));
- if (block_changed)
- bitmap_copy (DF_WORD_LR_IN (bb), local_live);
-
- dead_debug_local_finish (&debug, NULL);
- BITMAP_FREE (local_live);
- return block_changed;
-}
-
-
-/* Process basic block BB. Return true if the live_in set has
- changed. REDO_OUT is true if the info at the bottom of the block
- needs to be recalculated before starting. AU is the proper set of
- artificial uses. Track global substitution of uses of dead pseudos
- in debug insns using GLOBAL_DEBUG. */
-
-static bool
-dce_process_block (basic_block bb, bool redo_out, bitmap au,
- struct dead_debug_global *global_debug)
-{
- bitmap local_live = BITMAP_ALLOC (&dce_tmp_bitmap_obstack);
- rtx_insn *insn;
- bool block_changed;
- df_ref def;
- struct dead_debug_local debug;
-
- if (redo_out)
- {
- /* Need to redo the live_out set of this block if when one of
- the succs of this block has had a change in it live in
- set. */
- edge e;
- edge_iterator ei;
- df_confluence_function_n con_fun_n = df_lr->problem->con_fun_n;
- bitmap_clear (DF_LR_OUT (bb));
- FOR_EACH_EDGE (e, ei, bb->succs)
- (*con_fun_n) (e);
- }
-
- if (dump_file)
- {
- fprintf (dump_file, "processing block %d lr out = ", bb->index);
- df_print_regset (dump_file, DF_LR_OUT (bb));
- }
-
- bitmap_copy (local_live, DF_LR_OUT (bb));
-
- df_simulate_initialize_backwards (bb, local_live);
- dead_debug_local_init (&debug, NULL, global_debug);
-
- FOR_BB_INSNS_REVERSE (bb, insn)
- if (DEBUG_INSN_P (insn))
- {
- df_ref use;
- FOR_EACH_INSN_USE (use, insn)
- if (!bitmap_bit_p (local_live, DF_REF_REGNO (use))
- && !bitmap_bit_p (au, DF_REF_REGNO (use)))
- dead_debug_add (&debug, use, DF_REF_REGNO (use));
- }
- else if (INSN_P (insn))
- {
- bool needed = marked_insn_p (insn);
-
- /* The insn is needed if there is someone who uses the output. */
- if (!needed)
- FOR_EACH_INSN_DEF (def, insn)
- if (bitmap_bit_p (local_live, DF_REF_REGNO (def))
- || bitmap_bit_p (au, DF_REF_REGNO (def)))
- {
- needed = true;
- mark_insn (insn, true);
- break;
- }
-
- /* No matter if the instruction is needed or not, we remove
- any regno in the defs from the live set. */
- df_simulate_defs (insn, local_live);
-
- /* On the other hand, we do not allow the dead uses to set
- anything in local_live. */
- if (needed)
- df_simulate_uses (insn, local_live);
-
- /* Insert debug temps for dead REGs used in subsequent debug
- insns. We may have to emit a debug temp even if the insn
- was marked, in case the debug use was after the point of
- death. */
- if (debug.used && !bitmap_empty_p (debug.used))
- FOR_EACH_INSN_DEF (def, insn)
- dead_debug_insert_temp (&debug, DF_REF_REGNO (def), insn,
- needed && !control_flow_insn_p (insn)
- ? DEBUG_TEMP_AFTER_WITH_REG_FORCE
- : DEBUG_TEMP_BEFORE_WITH_VALUE);
- }
-
- dead_debug_local_finish (&debug, NULL);
- df_simulate_finalize_backwards (bb, local_live);
-
- block_changed = !bitmap_equal_p (local_live, DF_LR_IN (bb));
- if (block_changed)
- bitmap_copy (DF_LR_IN (bb), local_live);
-
- BITMAP_FREE (local_live);
- return block_changed;
-}
-
-
-/* Perform fast DCE once initialization is done. If WORD_LEVEL is
- true, use the word level dce, otherwise do it at the pseudo
- level. */
-
-static void
-fast_dce (bool word_level)
-{
- int *postorder = df_get_postorder (DF_BACKWARD);
- int n_blocks = df_get_n_blocks (DF_BACKWARD);
- /* The set of blocks that have been seen on this iteration. */
- bitmap processed = BITMAP_ALLOC (&dce_blocks_bitmap_obstack);
- /* The set of blocks that need to have the out vectors reset because
- the in of one of their successors has changed. */
- bitmap redo_out = BITMAP_ALLOC (&dce_blocks_bitmap_obstack);
- bitmap all_blocks = BITMAP_ALLOC (&dce_blocks_bitmap_obstack);
- bool global_changed = true;
-
- /* These regs are considered always live so if they end up dying
- because of some def, we need to bring the back again. Calling
- df_simulate_fixup_sets has the disadvantage of calling
- bb_has_eh_pred once per insn, so we cache the information
- here. */
- bitmap au = &df->regular_block_artificial_uses;
- bitmap au_eh = &df->eh_block_artificial_uses;
- int i;
- struct dead_debug_global global_debug;
-
- prescan_insns_for_dce (true);
-
- for (i = 0; i < n_blocks; i++)
- bitmap_set_bit (all_blocks, postorder[i]);
-
- dead_debug_global_init (&global_debug, NULL);
-
- while (global_changed)
- {
- global_changed = false;
-
- for (i = 0; i < n_blocks; i++)
- {
- int index = postorder[i];
- basic_block bb = BASIC_BLOCK_FOR_FN (cfun, index);
- bool local_changed;
-
- if (index < NUM_FIXED_BLOCKS)
- {
- bitmap_set_bit (processed, index);
- continue;
- }
-
- if (word_level)
- local_changed
- = word_dce_process_block (bb, bitmap_bit_p (redo_out, index),
- &global_debug);
- else
- local_changed
- = dce_process_block (bb, bitmap_bit_p (redo_out, index),
- bb_has_eh_pred (bb) ? au_eh : au,
- &global_debug);
- bitmap_set_bit (processed, index);
-
- if (local_changed)
- {
- edge e;
- edge_iterator ei;
- FOR_EACH_EDGE (e, ei, bb->preds)
- if (bitmap_bit_p (processed, e->src->index))
- /* Be tricky about when we need to iterate the
- analysis. We only have redo the analysis if the
- bitmaps change at the top of a block that is the
- entry to a loop. */
- global_changed = true;
- else
- bitmap_set_bit (redo_out, e->src->index);
- }
- }
-
- if (global_changed)
- {
- /* Turn off the RUN_DCE flag to prevent recursive calls to
- dce. */
- int old_flag = df_clear_flags (DF_LR_RUN_DCE);
-
- /* So something was deleted that requires a redo. Do it on
- the cheap. */
- delete_unmarked_insns ();
- bitmap_clear (marked);
- bitmap_clear (processed);
- bitmap_clear (redo_out);
-
- /* We do not need to rescan any instructions. We only need
- to redo the dataflow equations for the blocks that had a
- change at the top of the block. Then we need to redo the
- iteration. */
- if (word_level)
- df_analyze_problem (df_word_lr, all_blocks, postorder, n_blocks);
- else
- df_analyze_problem (df_lr, all_blocks, postorder, n_blocks);
-
- if (old_flag & DF_LR_RUN_DCE)
- df_set_flags (DF_LR_RUN_DCE);
-
- prescan_insns_for_dce (true);
- }
- }
-
- dead_debug_global_finish (&global_debug, NULL);
-
- delete_unmarked_insns ();
-
- BITMAP_FREE (processed);
- BITMAP_FREE (redo_out);
- BITMAP_FREE (all_blocks);
-}
-
-
-/* Fast register level DCE. */
-
-static unsigned int
-rest_of_handle_fast_dce (void)
-{
- init_dce (true);
- fast_dce (false);
- fini_dce (true);
- return 0;
-}
-
-
-/* Fast byte level DCE. */
-
-void
-run_word_dce (void)
-{
- int old_flags;
-
- if (!flag_dce)
- return;
-
- timevar_push (TV_DCE);
- old_flags = df_clear_flags (DF_DEFER_INSN_RESCAN + DF_NO_INSN_RESCAN);
- df_word_lr_add_problem ();
- init_dce (true);
- fast_dce (true);
- fini_dce (true);
- df_set_flags (old_flags);
- timevar_pop (TV_DCE);
-}
-
-
-/* This is an internal call that is used by the df live register
- problem to run fast dce as a side effect of creating the live
- information. The stack is organized so that the lr problem is run,
- this pass is run, which updates the live info and the df scanning
- info, and then returns to allow the rest of the problems to be run.
-
- This can be called by elsewhere but it will not update the bit
- vectors for any other problems than LR. */
-
-void
-run_fast_df_dce (void)
-{
- if (flag_dce)
- {
- /* If dce is able to delete something, it has to happen
- immediately. Otherwise there will be problems handling the
- eq_notes. */
- int old_flags =
- df_clear_flags (DF_DEFER_INSN_RESCAN + DF_NO_INSN_RESCAN);
-
- df_in_progress = true;
- rest_of_handle_fast_dce ();
- df_in_progress = false;
-
- df_set_flags (old_flags);
- }
-}
-
-
-/* Run a fast DCE pass. */
-
-void
-run_fast_dce (void)
-{
- if (flag_dce)
- rest_of_handle_fast_dce ();
-}
-
-
-namespace {
-
-const pass_data pass_data_fast_rtl_dce =
-{
- RTL_PASS, /* type */
- "rtl_dce", /* name */
- OPTGROUP_NONE, /* optinfo_flags */
- TV_DCE, /* tv_id */
- 0, /* properties_required */
- 0, /* properties_provided */
- 0, /* properties_destroyed */
- 0, /* todo_flags_start */
- TODO_df_finish, /* todo_flags_finish */
-};
-
-class pass_fast_rtl_dce : public rtl_opt_pass
-{
-public:
- pass_fast_rtl_dce (gcc::context *ctxt)
- : rtl_opt_pass (pass_data_fast_rtl_dce, ctxt)
- {}
-
- /* opt_pass methods: */
- virtual bool gate (function *)
- {
- return optimize > 0 && flag_dce && dbg_cnt (dce_fast);
- }
-
- virtual unsigned int execute (function *)
- {
- return rest_of_handle_fast_dce ();
- }
-
-}; // class pass_fast_rtl_dce
-
-} // anon namespace
-
-rtl_opt_pass *
-make_pass_fast_rtl_dce (gcc::context *ctxt)
-{
- return new pass_fast_rtl_dce (ctxt);
-}
generated by cgit v1.1 at 2025-09-03 01:34:52 +0000