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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/tree-ssa-live.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... * config/aarch64/aarch64-d.cc: ...here. * config/aarch64/aarch64.c: Moved to... * config/aarch64/aarch64.cc: ...here. * config/aarch64/cortex-a57-fma-steering.c: Moved to... * config/aarch64/cortex-a57-fma-steering.cc: ...here. * config/aarch64/driver-aarch64.c: Moved to... * config/aarch64/driver-aarch64.cc: ...here. * config/aarch64/falkor-tag-collision-avoidance.c: Moved to... * config/aarch64/falkor-tag-collision-avoidance.cc: ...here. * config/aarch64/host-aarch64-darwin.c: Moved to... * config/aarch64/host-aarch64-darwin.cc: ...here. * config/alpha/alpha.c: Moved to... * config/alpha/alpha.cc: ...here. * config/alpha/driver-alpha.c: Moved to... * config/alpha/driver-alpha.cc: ...here. * config/arc/arc-c.c: Moved to... * config/arc/arc-c.cc: ...here. * config/arc/arc.c: Moved to... * config/arc/arc.cc: ...here. * config/arc/driver-arc.c: Moved to... * config/arc/driver-arc.cc: ...here. * config/arm/aarch-common.c: Moved to... * config/arm/aarch-common.cc: ...here. * 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: ...here. * config/bpf/coreout.c: Moved to... * config/bpf/coreout.cc: ...here. * config/c6x/c6x.c: Moved to... * config/c6x/c6x.cc: ...here. * config/cr16/cr16.c: Moved to... * config/cr16/cr16.cc: ...here. * config/cris/cris.c: Moved to... * config/cris/cris.cc: ...here. * config/csky/csky.c: Moved to... * config/csky/csky.cc: ...here. * config/darwin-c.c: Moved to... * config/darwin-c.cc: ...here. * config/darwin-d.c: Moved to... * config/darwin-d.cc: ...here. * config/darwin-driver.c: Moved to... * config/darwin-driver.cc: ...here. * config/darwin-f.c: Moved to... * config/darwin-f.cc: ...here. * config/darwin.c: Moved to... * config/darwin.cc: ...here. * config/default-c.c: Moved to... * config/default-c.cc: ...here. * config/default-d.c: Moved to... * config/default-d.cc: ...here. * config/dragonfly-d.c: Moved to... * config/dragonfly-d.cc: ...here. * config/epiphany/epiphany.c: Moved to... * config/epiphany/epiphany.cc: ...here. * config/epiphany/mode-switch-use.c: Moved to... * config/epiphany/mode-switch-use.cc: ...here. * config/epiphany/resolve-sw-modes.c: Moved to... * config/epiphany/resolve-sw-modes.cc: ...here. * config/fr30/fr30.c: Moved to... * config/fr30/fr30.cc: ...here. * config/freebsd-d.c: Moved to... * config/freebsd-d.cc: ...here. * config/frv/frv.c: Moved to... * config/frv/frv.cc: ...here. * config/ft32/ft32.c: Moved to... * config/ft32/ft32.cc: ...here. * config/gcn/driver-gcn.c: Moved to... * config/gcn/driver-gcn.cc: ...here. * config/gcn/gcn-run.c: Moved to... * config/gcn/gcn-run.cc: ...here. * config/gcn/gcn-tree.c: Moved to... * config/gcn/gcn-tree.cc: ...here. * config/gcn/gcn.c: Moved to... * config/gcn/gcn.cc: ...here. * config/gcn/mkoffload.c: Moved to... * config/gcn/mkoffload.cc: ...here. * config/glibc-c.c: Moved to... * config/glibc-c.cc: ...here. * config/glibc-d.c: Moved to... * config/glibc-d.cc: ...here. * config/h8300/h8300.c: Moved to... * config/h8300/h8300.cc: ...here. * config/host-darwin.c: Moved to... * config/host-darwin.cc: ...here. * config/host-hpux.c: Moved to... * config/host-hpux.cc: ...here. * config/host-linux.c: Moved to... * config/host-linux.cc: ...here. * config/host-netbsd.c: Moved to... * config/host-netbsd.cc: ...here. * config/host-openbsd.c: Moved to... * config/host-openbsd.cc: ...here. * config/host-solaris.c: Moved to... * config/host-solaris.cc: ...here. * config/i386/djgpp.c: Moved to... * config/i386/djgpp.cc: ...here. * config/i386/driver-i386.c: Moved to... * config/i386/driver-i386.cc: ...here. * config/i386/driver-mingw32.c: Moved to... * config/i386/driver-mingw32.cc: ...here. * config/i386/gnu-property.c: Moved to... * config/i386/gnu-property.cc: ...here. * config/i386/host-cygwin.c: Moved to... * config/i386/host-cygwin.cc: ...here. * config/i386/host-i386-darwin.c: Moved to... * config/i386/host-i386-darwin.cc: ...here. * config/i386/host-mingw32.c: Moved to... * config/i386/host-mingw32.cc: ...here. * config/i386/i386-builtins.c: Moved to... * config/i386/i386-builtins.cc: ...here. * config/i386/i386-c.c: Moved to... * config/i386/i386-c.cc: ...here. * config/i386/i386-d.c: Moved to... * config/i386/i386-d.cc: ...here. * config/i386/i386-expand.c: Moved to... * config/i386/i386-expand.cc: ...here. * config/i386/i386-features.c: Moved to... * config/i386/i386-features.cc: ...here. * config/i386/i386-options.c: Moved to... * config/i386/i386-options.cc: ...here. * config/i386/i386.c: Moved to... * config/i386/i386.cc: ...here. * config/i386/intelmic-mkoffload.c: Moved to... * config/i386/intelmic-mkoffload.cc: ...here. * config/i386/msformat-c.c: Moved to... * config/i386/msformat-c.cc: ...here. * config/i386/winnt-cxx.c: Moved to... * config/i386/winnt-cxx.cc: ...here. * config/i386/winnt-d.c: Moved to... * config/i386/winnt-d.cc: ...here. * config/i386/winnt-stubs.c: Moved to... * config/i386/winnt-stubs.cc: ...here. * config/i386/winnt.c: Moved to... * config/i386/winnt.cc: ...here. * config/i386/x86-tune-sched-atom.c: 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config/mcore/mcore.cc: ...here. * config/microblaze/microblaze-c.c: Moved to... * config/microblaze/microblaze-c.cc: ...here. * config/microblaze/microblaze.c: Moved to... * config/microblaze/microblaze.cc: ...here. * config/mips/driver-native.c: Moved to... * config/mips/driver-native.cc: ...here. * config/mips/frame-header-opt.c: Moved to... * config/mips/frame-header-opt.cc: ...here. * config/mips/mips-d.c: Moved to... * config/mips/mips-d.cc: ...here. * config/mips/mips.c: Moved to... * config/mips/mips.cc: ...here. * config/mmix/mmix.c: Moved to... * config/mmix/mmix.cc: ...here. * config/mn10300/mn10300.c: Moved to... * config/mn10300/mn10300.cc: ...here. * config/moxie/moxie.c: Moved to... * config/moxie/moxie.cc: ...here. * config/msp430/driver-msp430.c: Moved to... * config/msp430/driver-msp430.cc: ...here. * config/msp430/msp430-c.c: Moved to... * config/msp430/msp430-c.cc: ...here. * config/msp430/msp430-devices.c: Moved to... * config/msp430/msp430-devices.cc: ...here. * 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/tree-ssa-live.c')
-rw-r--r--gcc/tree-ssa-live.c1633
1 files changed, 0 insertions, 1633 deletions
diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c
deleted file mode 100644
index 2076640..0000000
--- a/gcc/tree-ssa-live.c
+++ /dev/null
@@ -1,1633 +0,0 @@
-/* Liveness for SSA trees.
- Copyright (C) 2003-2022 Free Software Foundation, Inc.
- Contributed by Andrew MacLeod <amacleod@redhat.com>
-
-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 "gimple.h"
-#include "timevar.h"
-#include "ssa.h"
-#include "cgraph.h"
-#include "gimple-pretty-print.h"
-#include "diagnostic-core.h"
-#include "gimple-iterator.h"
-#include "tree-dfa.h"
-#include "dumpfile.h"
-#include "tree-ssa-live.h"
-#include "debug.h"
-#include "tree-ssa.h"
-#include "ipa-utils.h"
-#include "cfgloop.h"
-#include "stringpool.h"
-#include "attribs.h"
-#include "optinfo.h"
-#include "gimple-walk.h"
-#include "cfganal.h"
-
-static void verify_live_on_entry (tree_live_info_p);
-
-
-/* VARMAP maintains a mapping from SSA version number to real variables.
-
- All SSA_NAMES are divided into partitions. Initially each ssa_name is the
- only member of it's own partition. Coalescing will attempt to group any
- ssa_names which occur in a copy or in a PHI node into the same partition.
-
- At the end of out-of-ssa, each partition becomes a "real" variable and is
- rewritten as a compiler variable.
-
- The var_map data structure is used to manage these partitions. It allows
- partitions to be combined, and determines which partition belongs to what
- ssa_name or variable, and vice versa. */
-
-
-/* Remove the base table in MAP. */
-
-static void
-var_map_base_fini (var_map map)
-{
- /* Free the basevar info if it is present. */
- if (map->partition_to_base_index != NULL)
- {
- free (map->partition_to_base_index);
- map->partition_to_base_index = NULL;
- map->num_basevars = 0;
- }
-}
-/* Create a variable partition map of SIZE for region, initialize and return
- it. Region is a loop if LOOP is non-NULL, otherwise is the current
- function. */
-
-var_map
-init_var_map (int size, class loop *loop)
-{
- var_map map;
-
- map = (var_map) xmalloc (sizeof (struct _var_map));
- map->var_partition = partition_new (size);
-
- map->partition_to_view = NULL;
- map->view_to_partition = NULL;
- map->num_partitions = size;
- map->partition_size = size;
- map->num_basevars = 0;
- map->partition_to_base_index = NULL;
- map->vec_bbs = vNULL;
- if (loop)
- {
- map->bmp_bbs = BITMAP_ALLOC (NULL);
- map->outofssa_p = false;
- basic_block *bbs = get_loop_body_in_dom_order (loop);
- for (unsigned i = 0; i < loop->num_nodes; ++i)
- {
- bitmap_set_bit (map->bmp_bbs, bbs[i]->index);
- map->vec_bbs.safe_push (bbs[i]);
- }
- free (bbs);
- }
- else
- {
- map->bmp_bbs = NULL;
- map->outofssa_p = true;
- basic_block bb;
- FOR_EACH_BB_FN (bb, cfun)
- map->vec_bbs.safe_push (bb);
- }
- return map;
-}
-
-
-/* Free memory associated with MAP. */
-
-void
-delete_var_map (var_map map)
-{
- var_map_base_fini (map);
- partition_delete (map->var_partition);
- free (map->partition_to_view);
- free (map->view_to_partition);
- if (map->bmp_bbs)
- BITMAP_FREE (map->bmp_bbs);
- map->vec_bbs.release ();
- free (map);
-}
-
-
-/* This function will combine the partitions in MAP for VAR1 and VAR2. It
- Returns the partition which represents the new partition. If the two
- partitions cannot be combined, NO_PARTITION is returned. */
-
-int
-var_union (var_map map, tree var1, tree var2)
-{
- int p1, p2, p3;
-
- gcc_assert (TREE_CODE (var1) == SSA_NAME);
- gcc_assert (TREE_CODE (var2) == SSA_NAME);
-
- /* This is independent of partition_to_view. If partition_to_view is
- on, then whichever one of these partitions is absorbed will never have a
- dereference into the partition_to_view array any more. */
-
- p1 = partition_find (map->var_partition, SSA_NAME_VERSION (var1));
- p2 = partition_find (map->var_partition, SSA_NAME_VERSION (var2));
-
- gcc_assert (p1 != NO_PARTITION);
- gcc_assert (p2 != NO_PARTITION);
-
- if (p1 == p2)
- p3 = p1;
- else
- p3 = partition_union (map->var_partition, p1, p2);
-
- if (map->partition_to_view)
- p3 = map->partition_to_view[p3];
-
- return p3;
-}
-
-
-/* Compress the partition numbers in MAP such that they fall in the range
- 0..(num_partitions-1) instead of wherever they turned out during
- the partitioning exercise. This removes any references to unused
- partitions, thereby allowing bitmaps and other vectors to be much
- denser.
-
- This is implemented such that compaction doesn't affect partitioning.
- Ie., once partitions are created and possibly merged, running one
- or more different kind of compaction will not affect the partitions
- themselves. Their index might change, but all the same variables will
- still be members of the same partition group. This allows work on reduced
- sets, and no loss of information when a larger set is later desired.
-
- In particular, coalescing can work on partitions which have 2 or more
- definitions, and then 'recompact' later to include all the single
- definitions for assignment to program variables. */
-
-
-/* Set MAP back to the initial state of having no partition view. Return a
- bitmap which has a bit set for each partition number which is in use in the
- varmap. */
-
-static bitmap
-partition_view_init (var_map map)
-{
- bitmap used;
- int tmp;
- unsigned int x;
-
- used = BITMAP_ALLOC (NULL);
-
- /* Already in a view? Abandon the old one. */
- if (map->partition_to_view)
- {
- free (map->partition_to_view);
- map->partition_to_view = NULL;
- }
- if (map->view_to_partition)
- {
- free (map->view_to_partition);
- map->view_to_partition = NULL;
- }
-
- /* Find out which partitions are actually referenced. */
- for (x = 0; x < map->partition_size; x++)
- {
- tmp = partition_find (map->var_partition, x);
- if (ssa_name (tmp) != NULL_TREE && !virtual_operand_p (ssa_name (tmp))
- && (!has_zero_uses (ssa_name (tmp))
- || !SSA_NAME_IS_DEFAULT_DEF (ssa_name (tmp))
- || (SSA_NAME_VAR (ssa_name (tmp))
- && !VAR_P (SSA_NAME_VAR (ssa_name (tmp))))))
- bitmap_set_bit (used, tmp);
- }
-
- map->num_partitions = map->partition_size;
- return used;
-}
-
-
-/* This routine will finalize the view data for MAP based on the partitions
- set in SELECTED. This is either the same bitmap returned from
- partition_view_init, or a trimmed down version if some of those partitions
- were not desired in this view. SELECTED is freed before returning. */
-
-static void
-partition_view_fini (var_map map, bitmap selected)
-{
- bitmap_iterator bi;
- unsigned count, i, x, limit;
-
- gcc_assert (selected);
-
- count = bitmap_count_bits (selected);
- limit = map->partition_size;
-
- /* If its a one-to-one ratio, we don't need any view compaction. */
- if (count < limit)
- {
- map->partition_to_view = (int *)xmalloc (limit * sizeof (int));
- memset (map->partition_to_view, 0xff, (limit * sizeof (int)));
- map->view_to_partition = (int *)xmalloc (count * sizeof (int));
-
- i = 0;
- /* Give each selected partition an index. */
- EXECUTE_IF_SET_IN_BITMAP (selected, 0, x, bi)
- {
- map->partition_to_view[x] = i;
- map->view_to_partition[i] = x;
- i++;
- }
- gcc_assert (i == count);
- map->num_partitions = i;
- }
-
- BITMAP_FREE (selected);
-}
-
-
-/* Create a partition view which includes all the used partitions in MAP. */
-
-void
-partition_view_normal (var_map map)
-{
- bitmap used;
-
- used = partition_view_init (map);
- partition_view_fini (map, used);
-
- var_map_base_fini (map);
-}
-
-
-/* Create a partition view in MAP which includes just partitions which occur in
- the bitmap ONLY. If WANT_BASES is true, create the base variable map
- as well. */
-
-void
-partition_view_bitmap (var_map map, bitmap only)
-{
- bitmap used;
- bitmap new_partitions = BITMAP_ALLOC (NULL);
- unsigned x, p;
- bitmap_iterator bi;
-
- used = partition_view_init (map);
- EXECUTE_IF_SET_IN_BITMAP (only, 0, x, bi)
- {
- p = partition_find (map->var_partition, x);
- gcc_assert (bitmap_bit_p (used, p));
- bitmap_set_bit (new_partitions, p);
- }
- partition_view_fini (map, new_partitions);
-
- var_map_base_fini (map);
-}
-
-
-static bitmap usedvars;
-
-/* Mark VAR as used, so that it'll be preserved during rtl expansion.
- Returns true if VAR wasn't marked before. */
-
-static inline bool
-set_is_used (tree var)
-{
- return bitmap_set_bit (usedvars, DECL_UID (var));
-}
-
-/* Return true if VAR is marked as used. */
-
-static inline bool
-is_used_p (tree var)
-{
- return bitmap_bit_p (usedvars, DECL_UID (var));
-}
-
-static inline void mark_all_vars_used (tree *);
-
-/* Helper function for mark_all_vars_used, called via walk_tree. */
-
-static tree
-mark_all_vars_used_1 (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED)
-{
- tree t = *tp;
- enum tree_code_class c = TREE_CODE_CLASS (TREE_CODE (t));
- tree b;
-
- if (TREE_CODE (t) == SSA_NAME)
- {
- *walk_subtrees = 0;
- t = SSA_NAME_VAR (t);
- if (!t)
- return NULL;
- }
-
- if (IS_EXPR_CODE_CLASS (c)
- && (b = TREE_BLOCK (t)) != NULL)
- TREE_USED (b) = true;
-
- /* Ignore TMR_OFFSET and TMR_STEP for TARGET_MEM_REFS, as those
- fields do not contain vars. */
- if (TREE_CODE (t) == TARGET_MEM_REF)
- {
- mark_all_vars_used (&TMR_BASE (t));
- mark_all_vars_used (&TMR_INDEX (t));
- mark_all_vars_used (&TMR_INDEX2 (t));
- *walk_subtrees = 0;
- return NULL;
- }
-
- /* Only need to mark VAR_DECLS; parameters and return results are not
- eliminated as unused. */
- if (VAR_P (t))
- {
- /* When a global var becomes used for the first time also walk its
- initializer (non global ones don't have any). */
- if (set_is_used (t) && is_global_var (t)
- && DECL_CONTEXT (t) == current_function_decl)
- mark_all_vars_used (&DECL_INITIAL (t));
- }
- /* remove_unused_scope_block_p requires information about labels
- which are not DECL_IGNORED_P to tell if they might be used in the IL. */
- else if (TREE_CODE (t) == LABEL_DECL)
- /* Although the TREE_USED values that the frontend uses would be
- acceptable (albeit slightly over-conservative) for our purposes,
- init_vars_expansion clears TREE_USED for LABEL_DECLs too, so we
- must re-compute it here. */
- TREE_USED (t) = 1;
-
- if (IS_TYPE_OR_DECL_P (t))
- *walk_subtrees = 0;
-
- return NULL;
-}
-
-/* Mark the scope block SCOPE and its subblocks unused when they can be
- possibly eliminated if dead. */
-
-static void
-mark_scope_block_unused (tree scope)
-{
- tree t;
- TREE_USED (scope) = false;
- if (!(*debug_hooks->ignore_block) (scope))
- TREE_USED (scope) = true;
- for (t = BLOCK_SUBBLOCKS (scope); t ; t = BLOCK_CHAIN (t))
- mark_scope_block_unused (t);
-}
-
-/* Look if the block is dead (by possibly eliminating its dead subblocks)
- and return true if so.
- Block is declared dead if:
- 1) No statements are associated with it.
- 2) Declares no live variables
- 3) All subblocks are dead
- or there is precisely one subblocks and the block
- has same abstract origin as outer block and declares
- no variables, so it is pure wrapper.
- When we are not outputting full debug info, we also eliminate dead variables
- out of scope blocks to let them to be recycled by GGC and to save copying work
- done by the inliner. */
-
-static bool
-remove_unused_scope_block_p (tree scope, bool in_ctor_dtor_block)
-{
- tree *t, *next;
- bool unused = !TREE_USED (scope);
- int nsubblocks = 0;
-
- /* For ipa-polymorphic-call.c purposes, preserve blocks:
- 1) with BLOCK_ABSTRACT_ORIGIN of a ctor/dtor or their clones */
- if (inlined_polymorphic_ctor_dtor_block_p (scope, true))
- {
- in_ctor_dtor_block = true;
- unused = false;
- }
- /* 2) inside such blocks, the outermost block with block_ultimate_origin
- being a FUNCTION_DECL. */
- else if (in_ctor_dtor_block)
- {
- tree fn = block_ultimate_origin (scope);
- if (fn && TREE_CODE (fn) == FUNCTION_DECL)
- {
- in_ctor_dtor_block = false;
- unused = false;
- }
- }
-
- for (t = &BLOCK_VARS (scope); *t; t = next)
- {
- next = &DECL_CHAIN (*t);
-
- /* Debug info of nested function refers to the block of the
- function. We might stil call it even if all statements
- of function it was nested into was elliminated.
-
- TODO: We can actually look into cgraph to see if function
- will be output to file. */
- if (TREE_CODE (*t) == FUNCTION_DECL)
- unused = false;
-
- /* If a decl has a value expr, we need to instantiate it
- regardless of debug info generation, to avoid codegen
- differences in memory overlap tests. update_equiv_regs() may
- indirectly call validate_equiv_mem() to test whether a
- SET_DEST overlaps with others, and if the value expr changes
- by virtual register instantiation, we may get end up with
- different results. */
- else if (VAR_P (*t) && DECL_HAS_VALUE_EXPR_P (*t))
- unused = false;
-
- /* Remove everything we don't generate debug info for. */
- else if (DECL_IGNORED_P (*t))
- {
- *t = DECL_CHAIN (*t);
- next = t;
- }
-
- /* When we are outputting debug info, we usually want to output
- info about optimized-out variables in the scope blocks.
- Exception are the scope blocks not containing any instructions
- at all so user can't get into the scopes at first place. */
- else if (is_used_p (*t))
- unused = false;
- else if (TREE_CODE (*t) == LABEL_DECL && TREE_USED (*t))
- /* For labels that are still used in the IL, the decision to
- preserve them must not depend DEBUG_INFO_LEVEL, otherwise we
- risk having different ordering in debug vs. non-debug builds
- during inlining or versioning.
- A label appearing here (we have already checked DECL_IGNORED_P)
- should not be used in the IL unless it has been explicitly used
- before, so we use TREE_USED as an approximation. */
- /* In principle, we should do the same here as for the debug case
- below, however, when debugging, there might be additional nested
- levels that keep an upper level with a label live, so we have to
- force this block to be considered used, too. */
- unused = false;
-
- /* When we are not doing full debug info, we however can keep around
- only the used variables for cfgexpand's memory packing saving quite
- a lot of memory.
-
- For sake of -g3, we keep around those vars but we don't count this as
- use of block, so innermost block with no used vars and no instructions
- can be considered dead. We only want to keep around blocks user can
- breakpoint into and ask about value of optimized out variables.
-
- Similarly we need to keep around types at least until all
- variables of all nested blocks are gone. We track no
- information on whether given type is used or not, so we have
- to keep them even when not emitting debug information,
- otherwise we may end up remapping variables and their (local)
- types in different orders depending on whether debug
- information is being generated. */
-
- else if (TREE_CODE (*t) == TYPE_DECL
- || debug_info_level == DINFO_LEVEL_NORMAL
- || debug_info_level == DINFO_LEVEL_VERBOSE)
- ;
- else
- {
- *t = DECL_CHAIN (*t);
- next = t;
- }
- }
-
- for (t = &BLOCK_SUBBLOCKS (scope); *t ;)
- if (remove_unused_scope_block_p (*t, in_ctor_dtor_block))
- {
- if (BLOCK_SUBBLOCKS (*t))
- {
- tree next = BLOCK_CHAIN (*t);
- tree supercontext = BLOCK_SUPERCONTEXT (*t);
-
- *t = BLOCK_SUBBLOCKS (*t);
- while (BLOCK_CHAIN (*t))
- {
- BLOCK_SUPERCONTEXT (*t) = supercontext;
- t = &BLOCK_CHAIN (*t);
- }
- BLOCK_CHAIN (*t) = next;
- BLOCK_SUPERCONTEXT (*t) = supercontext;
- t = &BLOCK_CHAIN (*t);
- nsubblocks ++;
- }
- else
- *t = BLOCK_CHAIN (*t);
- }
- else
- {
- t = &BLOCK_CHAIN (*t);
- nsubblocks ++;
- }
-
-
- if (!unused)
- ;
- /* Outer scope is always used. */
- else if (!BLOCK_SUPERCONTEXT (scope)
- || TREE_CODE (BLOCK_SUPERCONTEXT (scope)) == FUNCTION_DECL)
- unused = false;
- /* Innermost blocks with no live variables nor statements can be always
- eliminated. */
- else if (!nsubblocks)
- ;
- /* When not generating debug info we can eliminate info on unused
- variables. */
- else if (!flag_auto_profile
- && debug_info_level == DINFO_LEVEL_NONE
- && !optinfo_wants_inlining_info_p ())
- {
- /* Even for -g0 don't prune outer scopes from inlined functions,
- otherwise late diagnostics from such functions will not be
- emitted or suppressed properly. */
- if (inlined_function_outer_scope_p (scope))
- {
- gcc_assert (TREE_CODE (BLOCK_ORIGIN (scope)) == FUNCTION_DECL);
- unused = false;
- }
- }
- else if (BLOCK_VARS (scope) || BLOCK_NUM_NONLOCALIZED_VARS (scope))
- unused = false;
- /* See if this block is important for representation of inlined
- function. Inlined functions are always represented by block
- with block_ultimate_origin being set to FUNCTION_DECL and
- DECL_SOURCE_LOCATION set, unless they expand to nothing... */
- else if (inlined_function_outer_scope_p (scope))
- unused = false;
- else
- /* Verfify that only blocks with source location set
- are entry points to the inlined functions. */
- gcc_assert (LOCATION_LOCUS (BLOCK_SOURCE_LOCATION (scope))
- == UNKNOWN_LOCATION);
-
- TREE_USED (scope) = !unused;
- return unused;
-}
-
-/* Mark all VAR_DECLS under *EXPR_P as used, so that they won't be
- eliminated during the tree->rtl conversion process. */
-
-static inline void
-mark_all_vars_used (tree *expr_p)
-{
- walk_tree (expr_p, mark_all_vars_used_1, NULL, NULL);
-}
-
-/* Helper function for clear_unused_block_pointer, called via walk_tree. */
-
-static tree
-clear_unused_block_pointer_1 (tree *tp, int *, void *)
-{
- if (EXPR_P (*tp) && TREE_BLOCK (*tp)
- && !TREE_USED (TREE_BLOCK (*tp)))
- TREE_SET_BLOCK (*tp, NULL);
- return NULL_TREE;
-}
-
-/* Set all block pointer in debug or clobber stmt to NULL if the block
- is unused, so that they will not be streamed out. */
-
-static void
-clear_unused_block_pointer (void)
-{
- basic_block bb;
- gimple_stmt_iterator gsi;
-
- FOR_EACH_BB_FN (bb, cfun)
- for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
- {
- unsigned i;
- tree b;
- gimple *stmt;
-
- next:
- stmt = gsi_stmt (gsi);
- if (!is_gimple_debug (stmt) && !gimple_clobber_p (stmt))
- continue;
- b = gimple_block (stmt);
- if (b && !TREE_USED (b))
- {
- /* Elide debug marker stmts that have an associated BLOCK from an
- inline instance removed with also the outermost scope BLOCK of
- said inline instance removed. If the outermost scope BLOCK of
- said inline instance is preserved use that in place of the
- removed BLOCK. That keeps the marker associated to the correct
- inline instance (or no inline instance in case it was not from
- an inline instance). */
- if (gimple_debug_nonbind_marker_p (stmt)
- && BLOCK_ABSTRACT_ORIGIN (b))
- {
- while (TREE_CODE (b) == BLOCK
- && !inlined_function_outer_scope_p (b))
- b = BLOCK_SUPERCONTEXT (b);
- if (TREE_CODE (b) == BLOCK)
- {
- if (TREE_USED (b))
- {
- gimple_set_block (stmt, b);
- continue;
- }
- gsi_remove (&gsi, true);
- if (gsi_end_p (gsi))
- break;
- goto next;
- }
- }
- gimple_set_block (stmt, NULL);
- }
- for (i = 0; i < gimple_num_ops (stmt); i++)
- walk_tree (gimple_op_ptr (stmt, i), clear_unused_block_pointer_1,
- NULL, NULL);
- }
-}
-
-/* Dump scope blocks starting at SCOPE to FILE. INDENT is the
- indentation level and FLAGS is as in print_generic_expr. */
-
-static void
-dump_scope_block (FILE *file, int indent, tree scope, dump_flags_t flags)
-{
- tree var, t;
- unsigned int i;
-
- fprintf (file, "\n%*s{ Scope block #%i%s",indent, "" , BLOCK_NUMBER (scope),
- TREE_USED (scope) ? "" : " (unused)");
- if (LOCATION_LOCUS (BLOCK_SOURCE_LOCATION (scope)) != UNKNOWN_LOCATION)
- {
- expanded_location s = expand_location (BLOCK_SOURCE_LOCATION (scope));
- fprintf (file, " %s:%i", s.file, s.line);
- }
- if (BLOCK_ABSTRACT_ORIGIN (scope))
- {
- tree origin = block_ultimate_origin (scope);
- if (origin)
- {
- fprintf (file, " Originating from :");
- if (DECL_P (origin))
- print_generic_decl (file, origin, flags);
- else
- fprintf (file, "#%i", BLOCK_NUMBER (origin));
- }
- }
- if (BLOCK_FRAGMENT_ORIGIN (scope))
- fprintf (file, " Fragment of : #%i",
- BLOCK_NUMBER (BLOCK_FRAGMENT_ORIGIN (scope)));
- else if (BLOCK_FRAGMENT_CHAIN (scope))
- {
- fprintf (file, " Fragment chain :");
- for (t = BLOCK_FRAGMENT_CHAIN (scope); t ;
- t = BLOCK_FRAGMENT_CHAIN (t))
- fprintf (file, " #%i", BLOCK_NUMBER (t));
- }
- fprintf (file, " \n");
- for (var = BLOCK_VARS (scope); var; var = DECL_CHAIN (var))
- {
- fprintf (file, "%*s", indent, "");
- print_generic_decl (file, var, flags);
- fprintf (file, "\n");
- }
- for (i = 0; i < BLOCK_NUM_NONLOCALIZED_VARS (scope); i++)
- {
- fprintf (file, "%*s",indent, "");
- print_generic_decl (file, BLOCK_NONLOCALIZED_VAR (scope, i),
- flags);
- fprintf (file, " (nonlocalized)\n");
- }
- for (t = BLOCK_SUBBLOCKS (scope); t ; t = BLOCK_CHAIN (t))
- dump_scope_block (file, indent + 2, t, flags);
- fprintf (file, "\n%*s}\n",indent, "");
-}
-
-/* Dump the tree of lexical scopes starting at SCOPE to stderr. FLAGS
- is as in print_generic_expr. */
-
-DEBUG_FUNCTION void
-debug_scope_block (tree scope, dump_flags_t flags)
-{
- dump_scope_block (stderr, 0, scope, flags);
-}
-
-
-/* Dump the tree of lexical scopes of current_function_decl to FILE.
- FLAGS is as in print_generic_expr. */
-
-void
-dump_scope_blocks (FILE *file, dump_flags_t flags)
-{
- dump_scope_block (file, 0, DECL_INITIAL (current_function_decl), flags);
-}
-
-
-/* Dump the tree of lexical scopes of current_function_decl to stderr.
- FLAGS is as in print_generic_expr. */
-
-DEBUG_FUNCTION void
-debug_scope_blocks (dump_flags_t flags)
-{
- dump_scope_blocks (stderr, flags);
-}
-
-/* Remove local variables that are not referenced in the IL. */
-
-void
-remove_unused_locals (void)
-{
- basic_block bb;
- tree var;
- unsigned srcidx, dstidx, num;
- bool have_local_clobbers = false;
-
- /* Removing declarations from lexical blocks when not optimizing is
- not only a waste of time, it actually causes differences in stack
- layout. */
- if (!optimize)
- return;
-
- timevar_push (TV_REMOVE_UNUSED);
-
- mark_scope_block_unused (DECL_INITIAL (current_function_decl));
-
- usedvars = BITMAP_ALLOC (NULL);
- auto_bitmap useddebug;
-
- /* Walk the CFG marking all referenced symbols. */
- FOR_EACH_BB_FN (bb, cfun)
- {
- gimple_stmt_iterator gsi;
- size_t i;
- edge_iterator ei;
- edge e;
-
- /* Walk the statements. */
- for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
- {
- gimple *stmt = gsi_stmt (gsi);
- tree b = gimple_block (stmt);
-
- /* If we wanted to mark the block referenced by the inline
- entry point marker as used, this would be a good spot to
- do it. If the block is not otherwise used, the stmt will
- be cleaned up in clean_unused_block_pointer. */
- if (is_gimple_debug (stmt))
- {
- if (gimple_debug_bind_p (stmt))
- {
- tree var = gimple_debug_bind_get_var (stmt);
- if (VAR_P (var))
- {
- if (!gimple_debug_bind_get_value (stmt))
- /* Run the 2nd phase. */
- have_local_clobbers = true;
- else
- bitmap_set_bit (useddebug, DECL_UID (var));
- }
- }
- continue;
- }
-
- if (gimple_clobber_p (stmt))
- {
- have_local_clobbers = true;
- continue;
- }
-
- if (b)
- TREE_USED (b) = true;
-
- for (i = 0; i < gimple_num_ops (stmt); i++)
- mark_all_vars_used (gimple_op_ptr (gsi_stmt (gsi), i));
- }
-
- for (gphi_iterator gpi = gsi_start_phis (bb);
- !gsi_end_p (gpi);
- gsi_next (&gpi))
- {
- use_operand_p arg_p;
- ssa_op_iter i;
- tree def;
- gphi *phi = gpi.phi ();
-
- if (virtual_operand_p (gimple_phi_result (phi)))
- continue;
-
- def = gimple_phi_result (phi);
- mark_all_vars_used (&def);
-
- FOR_EACH_PHI_ARG (arg_p, phi, i, SSA_OP_ALL_USES)
- {
- tree arg = USE_FROM_PTR (arg_p);
- int index = PHI_ARG_INDEX_FROM_USE (arg_p);
- tree block =
- LOCATION_BLOCK (gimple_phi_arg_location (phi, index));
- if (block != NULL)
- TREE_USED (block) = true;
- mark_all_vars_used (&arg);
- }
- }
-
- FOR_EACH_EDGE (e, ei, bb->succs)
- if (LOCATION_BLOCK (e->goto_locus) != NULL)
- TREE_USED (LOCATION_BLOCK (e->goto_locus)) = true;
- }
-
- /* We do a two-pass approach about the out-of-scope clobbers. We want
- to remove them if they are the only references to a local variable,
- but we want to retain them when there's any other. So the first pass
- ignores them, and the second pass (if there were any) tries to remove
- them. */
- if (have_local_clobbers)
- FOR_EACH_BB_FN (bb, cfun)
- {
- gimple_stmt_iterator gsi;
-
- for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi);)
- {
- gimple *stmt = gsi_stmt (gsi);
- tree b = gimple_block (stmt);
-
- if (gimple_clobber_p (stmt))
- {
- tree lhs = gimple_assign_lhs (stmt);
- tree base = get_base_address (lhs);
- /* Remove clobbers referencing unused vars, or clobbers
- with MEM_REF lhs referencing uninitialized pointers. */
- if ((VAR_P (base) && !is_used_p (base))
- || (TREE_CODE (lhs) == MEM_REF
- && TREE_CODE (TREE_OPERAND (lhs, 0)) == SSA_NAME
- && SSA_NAME_IS_DEFAULT_DEF (TREE_OPERAND (lhs, 0))
- && (TREE_CODE (SSA_NAME_VAR (TREE_OPERAND (lhs, 0)))
- != PARM_DECL)))
- {
- unlink_stmt_vdef (stmt);
- gsi_remove (&gsi, true);
- release_defs (stmt);
- continue;
- }
- if (b)
- TREE_USED (b) = true;
- }
- else if (gimple_debug_bind_p (stmt))
- {
- tree var = gimple_debug_bind_get_var (stmt);
- if (VAR_P (var)
- && !bitmap_bit_p (useddebug, DECL_UID (var))
- && !is_used_p (var))
- {
- if (dump_file && (dump_flags & TDF_DETAILS))
- fprintf (dump_file, "Dead debug bind reset to %u\n",
- DECL_UID (var));
- gsi_remove (&gsi, true);
- continue;
- }
- }
- gsi_next (&gsi);
- }
- }
-
- if (cfun->has_simduid_loops)
- {
- for (auto loop : loops_list (cfun, 0))
- if (loop->simduid && !is_used_p (loop->simduid))
- loop->simduid = NULL_TREE;
- }
-
- cfun->has_local_explicit_reg_vars = false;
-
- /* Remove unmarked local and global vars from local_decls. */
- num = vec_safe_length (cfun->local_decls);
- for (srcidx = 0, dstidx = 0; srcidx < num; srcidx++)
- {
- var = (*cfun->local_decls)[srcidx];
- if (VAR_P (var))
- {
- if (!is_used_p (var))
- {
- tree def;
- if (cfun->nonlocal_goto_save_area
- && TREE_OPERAND (cfun->nonlocal_goto_save_area, 0) == var)
- cfun->nonlocal_goto_save_area = NULL;
- /* Release any default def associated with var. */
- if ((def = ssa_default_def (cfun, var)) != NULL_TREE)
- {
- set_ssa_default_def (cfun, var, NULL_TREE);
- release_ssa_name (def);
- }
- continue;
- }
- }
- if (VAR_P (var) && DECL_HARD_REGISTER (var) && !is_global_var (var))
- cfun->has_local_explicit_reg_vars = true;
-
- if (srcidx != dstidx)
- (*cfun->local_decls)[dstidx] = var;
- dstidx++;
- }
- if (dstidx != num)
- {
- statistics_counter_event (cfun, "unused VAR_DECLs removed", num - dstidx);
- cfun->local_decls->truncate (dstidx);
- }
-
- remove_unused_scope_block_p (DECL_INITIAL (current_function_decl),
- polymorphic_ctor_dtor_p (current_function_decl,
- true) != NULL_TREE);
- clear_unused_block_pointer ();
-
- BITMAP_FREE (usedvars);
-
- if (dump_file && (dump_flags & TDF_DETAILS))
- {
- fprintf (dump_file, "Scope blocks after cleanups:\n");
- dump_scope_blocks (dump_file, dump_flags);
- }
-
- timevar_pop (TV_REMOVE_UNUSED);
-}
-
-/* Allocate and return a new live range information object base on MAP. */
-
-static tree_live_info_p
-new_tree_live_info (var_map map)
-{
- tree_live_info_p live;
- basic_block bb;
-
- live = XNEW (struct tree_live_info_d);
- live->map = map;
- live->num_blocks = last_basic_block_for_fn (cfun);
-
- bitmap_obstack_initialize (&live->livein_obstack);
- bitmap_obstack_initialize (&live->liveout_obstack);
-
- live->livein = XCNEWVEC (bitmap_head, last_basic_block_for_fn (cfun));
- live->liveout = XCNEWVEC (bitmap_head, last_basic_block_for_fn (cfun));
- for (unsigned i = 0; map->vec_bbs.iterate (i, &bb); ++i)
- {
- bitmap_initialize (&live->livein[bb->index], &live->livein_obstack);
- bitmap_initialize (&live->liveout[bb->index], &live->liveout_obstack);
- }
-
- live->work_stack = XNEWVEC (int, last_basic_block_for_fn (cfun));
- live->stack_top = live->work_stack;
-
- live->global = BITMAP_ALLOC (NULL);
- return live;
-}
-
-
-/* Free storage for live range info object LIVE. */
-
-void
-delete_tree_live_info (tree_live_info_p live)
-{
- if (live->livein)
- {
- bitmap_obstack_release (&live->livein_obstack);
- free (live->livein);
- }
- if (live->liveout)
- {
- bitmap_obstack_release (&live->liveout_obstack);
- free (live->liveout);
- }
- BITMAP_FREE (live->global);
- free (live->work_stack);
- free (live);
-}
-
-
-/* Visit basic block BB and propagate any required live on entry bits from
- LIVE into the predecessors. VISITED is the bitmap of visited blocks.
- TMP is a temporary work bitmap which is passed in to avoid reallocating
- it each time. */
-
-static void
-loe_visit_block (tree_live_info_p live, basic_block bb, sbitmap visited)
-{
- edge e;
- bool change;
- edge_iterator ei;
- basic_block pred_bb;
- bitmap loe;
-
- gcc_checking_assert (!bitmap_bit_p (visited, bb->index));
- bitmap_set_bit (visited, bb->index);
-
- loe = live_on_entry (live, bb);
-
- FOR_EACH_EDGE (e, ei, bb->preds)
- {
- pred_bb = e->src;
- if (!region_contains_p (live->map, pred_bb))
- continue;
- /* Variables live-on-entry from BB that aren't defined in the
- predecessor block. This should be the live on entry vars to pred.
- Note that liveout is the DEFs in a block while live on entry is
- being calculated.
- Add these bits to live-on-entry for the pred. if there are any
- changes, and pred_bb has been visited already, add it to the
- revisit stack. */
- change = bitmap_ior_and_compl_into (live_on_entry (live, pred_bb),
- loe, &live->liveout[pred_bb->index]);
- if (change
- && bitmap_bit_p (visited, pred_bb->index))
- {
- bitmap_clear_bit (visited, pred_bb->index);
- *(live->stack_top)++ = pred_bb->index;
- }
- }
-}
-
-
-/* Using LIVE, fill in all the live-on-entry blocks between the defs and uses
- of all the variables. */
-
-static void
-live_worklist (tree_live_info_p live)
-{
- unsigned b;
- basic_block bb;
- auto_sbitmap visited (last_basic_block_for_fn (cfun) + 1);
-
- bitmap_clear (visited);
-
- /* Visit region's blocks in reverse order and propagate live on entry values
- into the predecessors blocks. */
- for (unsigned i = live->map->vec_bbs.length () - 1;
- live->map->vec_bbs.iterate (i, &bb); --i)
- loe_visit_block (live, bb, visited);
-
- /* Process any blocks which require further iteration. */
- while (live->stack_top != live->work_stack)
- {
- b = *--(live->stack_top);
- loe_visit_block (live, BASIC_BLOCK_FOR_FN (cfun, b), visited);
- }
-}
-
-
-/* Calculate the initial live on entry vector for SSA_NAME using immediate_use
- links. Set the live on entry fields in LIVE. Def's are marked temporarily
- in the liveout vector. */
-
-static void
-set_var_live_on_entry (tree ssa_name, tree_live_info_p live)
-{
- int p;
- gimple *stmt;
- use_operand_p use;
- basic_block def_bb = NULL;
- imm_use_iterator imm_iter;
- bool global = false;
-
- p = var_to_partition (live->map, ssa_name);
- if (p == NO_PARTITION)
- return;
-
- stmt = SSA_NAME_DEF_STMT (ssa_name);
- if (stmt)
- {
- def_bb = gimple_bb (stmt);
- /* Mark defs in liveout bitmap temporarily. */
- if (def_bb && region_contains_p (live->map, def_bb))
- bitmap_set_bit (&live->liveout[def_bb->index], p);
- }
- else
- def_bb = ENTRY_BLOCK_PTR_FOR_FN (cfun);
-
- /* An undefined local variable does not need to be very alive. */
- if (ssa_undefined_value_p (ssa_name, false))
- return;
-
- /* Visit each use of SSA_NAME and if it isn't in the same block as the def,
- add it to the list of live on entry blocks. */
- FOR_EACH_IMM_USE_FAST (use, imm_iter, ssa_name)
- {
- gimple *use_stmt = USE_STMT (use);
- basic_block add_block = NULL;
-
- if (gimple_code (use_stmt) == GIMPLE_PHI)
- {
- /* Uses in PHI's are considered to be live at exit of the SRC block
- as this is where a copy would be inserted. Check to see if it is
- defined in that block, or whether its live on entry. */
- int index = PHI_ARG_INDEX_FROM_USE (use);
- edge e = gimple_phi_arg_edge (as_a <gphi *> (use_stmt), index);
- if (e->src != def_bb && region_contains_p (live->map, e->src))
- add_block = e->src;
- }
- else if (is_gimple_debug (use_stmt))
- continue;
- else
- {
- /* If its not defined in this block, its live on entry. */
- basic_block use_bb = gimple_bb (use_stmt);
- if (use_bb != def_bb && region_contains_p (live->map, use_bb))
- add_block = use_bb;
- }
-
- /* If there was a live on entry use, set the bit. */
- if (add_block)
- {
- global = true;
- bitmap_set_bit (&live->livein[add_block->index], p);
- }
- }
-
- /* If SSA_NAME is live on entry to at least one block, fill in all the live
- on entry blocks between the def and all the uses. */
- if (global)
- bitmap_set_bit (live->global, p);
-}
-
-
-/* Calculate the live on exit vectors based on the entry info in LIVEINFO. */
-
-static void
-calculate_live_on_exit (tree_live_info_p liveinfo)
-{
- basic_block bb;
- edge e;
- edge_iterator ei;
-
- /* live on entry calculations used liveout vectors for defs, clear them. */
- for (unsigned i = 0; liveinfo->map->vec_bbs.iterate (i, &bb); ++i)
- bitmap_clear (&liveinfo->liveout[bb->index]);
-
- /* Set all the live-on-exit bits for uses in PHIs. */
- FOR_EACH_BB_FN (bb, cfun)
- {
- gphi_iterator gsi;
- size_t i;
-
- /* Mark the PHI arguments which are live on exit to the pred block. */
- for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi); gsi_next (&gsi))
- {
- gphi *phi = gsi.phi ();
- if (virtual_operand_p (gimple_phi_result (phi)))
- continue;
- for (i = 0; i < gimple_phi_num_args (phi); i++)
- {
- tree t = PHI_ARG_DEF (phi, i);
- int p;
-
- if (TREE_CODE (t) != SSA_NAME)
- continue;
-
- p = var_to_partition (liveinfo->map, t);
- if (p == NO_PARTITION)
- continue;
- e = gimple_phi_arg_edge (phi, i);
- if (region_contains_p (liveinfo->map, e->src))
- bitmap_set_bit (&liveinfo->liveout[e->src->index], p);
- }
- }
-
- if (!region_contains_p (liveinfo->map, bb))
- continue;
-
- /* Add each successors live on entry to this bock live on exit. */
- FOR_EACH_EDGE (e, ei, bb->succs)
- if (region_contains_p (liveinfo->map, e->dest))
- bitmap_ior_into (&liveinfo->liveout[bb->index],
- live_on_entry (liveinfo, e->dest));
- }
-}
-
-
-/* Given partition map MAP, calculate all the live on entry bitmaps for
- each partition. Return a new live info object. */
-
-tree_live_info_p
-calculate_live_ranges (var_map map, bool want_livein)
-{
- tree var;
- unsigned i;
- tree_live_info_p live;
-
- live = new_tree_live_info (map);
- for (i = 0; i < num_var_partitions (map); i++)
- {
- var = partition_to_var (map, i);
- if (var != NULL_TREE)
- set_var_live_on_entry (var, live);
- }
-
- live_worklist (live);
-
- if (flag_checking)
- verify_live_on_entry (live);
-
- calculate_live_on_exit (live);
-
- if (!want_livein)
- {
- bitmap_obstack_release (&live->livein_obstack);
- free (live->livein);
- live->livein = NULL;
- }
-
- return live;
-}
-
-/* Data structure for compute_live_vars* functions. */
-
-struct compute_live_vars_data {
- /* Vector of bitmaps for live vars indices at the end of basic blocks,
- indexed by bb->index. ACTIVE[ENTRY_BLOCK] must be empty bitmap,
- ACTIVE[EXIT_BLOCK] is used for STOP_AFTER. */
- vec<bitmap_head> active;
- /* Work bitmap of currently live variables. */
- bitmap work;
- /* Set of interesting variables. Variables with uids not in this
- hash_map are not tracked. */
- live_vars_map *vars;
-};
-
-/* Callback for walk_stmt_load_store_addr_ops. If OP is a VAR_DECL with
- uid set in DATA->vars, enter its corresponding index into bitmap
- DATA->work. */
-
-static bool
-compute_live_vars_visit (gimple *, tree op, tree, void *pdata)
-{
- compute_live_vars_data *data = (compute_live_vars_data *) pdata;
- op = get_base_address (op);
- if (op && VAR_P (op))
- if (unsigned int *v = data->vars->get (DECL_UID (op)))
- bitmap_set_bit (data->work, *v);
- return false;
-}
-
-/* Helper routine for compute_live_vars, calculating the sets of live
- variables at the end of BB, leaving the result in DATA->work.
- If STOP_AFTER is non-NULL, stop processing after that stmt. */
-
-static void
-compute_live_vars_1 (basic_block bb, compute_live_vars_data *data,
- gimple *stop_after)
-{
- edge e;
- edge_iterator ei;
- gimple_stmt_iterator gsi;
- walk_stmt_load_store_addr_fn visit = compute_live_vars_visit;
-
- bitmap_clear (data->work);
- FOR_EACH_EDGE (e, ei, bb->preds)
- bitmap_ior_into (data->work, &data->active[e->src->index]);
-
- for (gsi = gsi_start_phis (bb); !gsi_end_p (gsi); gsi_next (&gsi))
- walk_stmt_load_store_addr_ops (gsi_stmt (gsi), data, NULL, NULL, visit);
- for (gsi = gsi_after_labels (bb); !gsi_end_p (gsi); gsi_next (&gsi))
- {
- gimple *stmt = gsi_stmt (gsi);
-
- if (gimple_clobber_p (stmt))
- {
- tree lhs = gimple_assign_lhs (stmt);
- if (VAR_P (lhs))
- if (unsigned int *v = data->vars->get (DECL_UID (lhs)))
- bitmap_clear_bit (data->work, *v);
- }
- else if (!is_gimple_debug (stmt))
- walk_stmt_load_store_addr_ops (stmt, data, visit, visit, visit);
- if (stmt == stop_after)
- break;
- }
-}
-
-/* For function FN and live_vars_map (hash map from DECL_UIDs to a dense set of
- indexes of automatic variables VARS, compute which of those variables are
- (might be) live at the end of each basic block. */
-
-vec<bitmap_head>
-compute_live_vars (struct function *fn, live_vars_map *vars)
-{
- vec<bitmap_head> active;
-
- /* We approximate the live range of a stack variable by taking the first
- mention of its name as starting point(s), and by the end-of-scope
- death clobber added by gimplify as ending point(s) of the range.
- This overapproximates in the case we for instance moved an address-taken
- operation upward, without also moving a dereference to it upwards.
- But it's conservatively correct as a variable never can hold values
- before its name is mentioned at least once.
-
- We then do a mostly classical bitmap liveness algorithm. */
-
- active.create (last_basic_block_for_fn (fn));
- active.quick_grow (last_basic_block_for_fn (fn));
- for (int i = 0; i < last_basic_block_for_fn (fn); i++)
- bitmap_initialize (&active[i], &bitmap_default_obstack);
-
- bitmap work = BITMAP_ALLOC (NULL);
-
- int *rpo = XNEWVEC (int, last_basic_block_for_fn (fn));
- int n_bbs = pre_and_rev_post_order_compute_fn (fn, NULL, rpo, false);
-
- bool changed = true;
- compute_live_vars_data data = { active, work, vars };
- while (changed)
- {
- int i;
- changed = false;
- for (i = 0; i < n_bbs; i++)
- {
- basic_block bb = BASIC_BLOCK_FOR_FN (fn, rpo[i]);
- compute_live_vars_1 (bb, &data, NULL);
- if (bitmap_ior_into (&active[bb->index], work))
- changed = true;
- }
- }
-
- free (rpo);
- BITMAP_FREE (work);
-
- return active;
-}
-
-/* For ACTIVE computed by compute_live_vars, compute a bitmap of variables
- live after the STOP_AFTER statement and return that bitmap. */
-
-bitmap
-live_vars_at_stmt (vec<bitmap_head> &active, live_vars_map *vars,
- gimple *stop_after)
-{
- bitmap work = BITMAP_ALLOC (NULL);
- compute_live_vars_data data = { active, work, vars };
- basic_block bb = gimple_bb (stop_after);
- compute_live_vars_1 (bb, &data, stop_after);
- return work;
-}
-
-/* Destroy what compute_live_vars has returned when it is no longer needed. */
-
-void
-destroy_live_vars (vec<bitmap_head> &active)
-{
- unsigned len = active.length ();
- for (unsigned i = 0; i < len; i++)
- bitmap_clear (&active[i]);
-
- active.release ();
-}
-
-/* Output partition map MAP to file F. */
-
-void
-dump_var_map (FILE *f, var_map map)
-{
- int t;
- unsigned x, y;
- int p;
-
- fprintf (f, "\nPartition map \n\n");
-
- for (x = 0; x < map->num_partitions; x++)
- {
- if (map->view_to_partition != NULL)
- p = map->view_to_partition[x];
- else
- p = x;
-
- if (ssa_name (p) == NULL_TREE
- || virtual_operand_p (ssa_name (p)))
- continue;
-
- t = 0;
- for (y = 1; y < num_ssa_names; y++)
- {
- p = partition_find (map->var_partition, y);
- if (map->partition_to_view)
- p = map->partition_to_view[p];
- if (p == (int)x)
- {
- if (t++ == 0)
- {
- fprintf (f, "Partition %d (", x);
- print_generic_expr (f, partition_to_var (map, p), TDF_SLIM);
- fprintf (f, " - ");
- }
- fprintf (f, "%d ", y);
- }
- }
- if (t != 0)
- fprintf (f, ")\n");
- }
- fprintf (f, "\n");
-}
-
-
-/* Generic dump for the above. */
-
-DEBUG_FUNCTION void
-debug (_var_map &ref)
-{
- dump_var_map (stderr, &ref);
-}
-
-DEBUG_FUNCTION void
-debug (_var_map *ptr)
-{
- if (ptr)
- debug (*ptr);
- else
- fprintf (stderr, "<nil>\n");
-}
-
-
-/* Output live range info LIVE to file F, controlled by FLAG. */
-
-void
-dump_live_info (FILE *f, tree_live_info_p live, int flag)
-{
- basic_block bb;
- unsigned i;
- var_map map = live->map;
- bitmap_iterator bi;
-
- if ((flag & LIVEDUMP_ENTRY) && live->livein)
- {
- FOR_EACH_BB_FN (bb, cfun)
- {
- fprintf (f, "\nLive on entry to BB%d : ", bb->index);
- EXECUTE_IF_SET_IN_BITMAP (&live->livein[bb->index], 0, i, bi)
- {
- print_generic_expr (f, partition_to_var (map, i), TDF_SLIM);
- fprintf (f, " ");
- }
- fprintf (f, "\n");
- }
- }
-
- if ((flag & LIVEDUMP_EXIT) && live->liveout)
- {
- FOR_EACH_BB_FN (bb, cfun)
- {
- fprintf (f, "\nLive on exit from BB%d : ", bb->index);
- EXECUTE_IF_SET_IN_BITMAP (&live->liveout[bb->index], 0, i, bi)
- {
- print_generic_expr (f, partition_to_var (map, i), TDF_SLIM);
- fprintf (f, " ");
- }
- fprintf (f, "\n");
- }
- }
-}
-
-
-/* Generic dump for the above. */
-
-DEBUG_FUNCTION void
-debug (tree_live_info_d &ref)
-{
- dump_live_info (stderr, &ref, 0);
-}
-
-DEBUG_FUNCTION void
-debug (tree_live_info_d *ptr)
-{
- if (ptr)
- debug (*ptr);
- else
- fprintf (stderr, "<nil>\n");
-}
-
-
-/* Verify that the info in LIVE matches the current cfg. */
-
-static void
-verify_live_on_entry (tree_live_info_p live)
-{
- unsigned i;
- tree var;
- gimple *stmt;
- basic_block bb;
- edge e;
- int num;
- edge_iterator ei;
- var_map map = live->map;
-
- /* Check for live on entry partitions and report those with a DEF in
- the program. This will typically mean an optimization has done
- something wrong. */
- bb = ENTRY_BLOCK_PTR_FOR_FN (cfun);
- num = 0;
- FOR_EACH_EDGE (e, ei, bb->succs)
- {
- int entry_block = e->dest->index;
- if (!region_contains_p (live->map, e->dest))
- continue;
- for (i = 0; i < (unsigned)num_var_partitions (map); i++)
- {
- basic_block tmp;
- tree d = NULL_TREE;
- bitmap loe;
- var = partition_to_var (map, i);
- stmt = SSA_NAME_DEF_STMT (var);
- tmp = gimple_bb (stmt);
- if (SSA_NAME_VAR (var))
- d = ssa_default_def (cfun, SSA_NAME_VAR (var));
-
- loe = live_on_entry (live, e->dest);
- if (loe && bitmap_bit_p (loe, i))
- {
- if (!gimple_nop_p (stmt))
- {
- num++;
- print_generic_expr (stderr, var, TDF_SLIM);
- fprintf (stderr, " is defined ");
- if (tmp)
- fprintf (stderr, " in BB%d, ", tmp->index);
- fprintf (stderr, "by:\n");
- print_gimple_stmt (stderr, stmt, 0, TDF_SLIM);
- fprintf (stderr, "\nIt is also live-on-entry to entry BB %d",
- entry_block);
- fprintf (stderr, " So it appears to have multiple defs.\n");
- }
- else
- {
- if (d != var)
- {
- num++;
- print_generic_expr (stderr, var, TDF_SLIM);
- fprintf (stderr, " is live-on-entry to BB%d ",
- entry_block);
- if (d)
- {
- fprintf (stderr, " but is not the default def of ");
- print_generic_expr (stderr, d, TDF_SLIM);
- fprintf (stderr, "\n");
- }
- else
- fprintf (stderr, " and there is no default def.\n");
- }
- }
- }
- else
- if (d == var)
- {
- /* An undefined local variable does not need to be very
- alive. */
- if (ssa_undefined_value_p (var, false))
- continue;
-
- /* The only way this var shouldn't be marked live on entry is
- if it occurs in a PHI argument of the block. */
- size_t z;
- bool ok = false;
- gphi_iterator gsi;
- for (gsi = gsi_start_phis (e->dest);
- !gsi_end_p (gsi) && !ok;
- gsi_next (&gsi))
- {
- gphi *phi = gsi.phi ();
- if (virtual_operand_p (gimple_phi_result (phi)))
- continue;
- for (z = 0; z < gimple_phi_num_args (phi); z++)
- if (var == gimple_phi_arg_def (phi, z))
- {
- ok = true;
- break;
- }
- }
- if (ok)
- continue;
- /* Expand adds unused default defs for PARM_DECLs and
- RESULT_DECLs. They're ok. */
- if (has_zero_uses (var)
- && SSA_NAME_VAR (var)
- && !VAR_P (SSA_NAME_VAR (var)))
- continue;
- num++;
- print_generic_expr (stderr, var, TDF_SLIM);
- fprintf (stderr, " is not marked live-on-entry to entry BB%d ",
- entry_block);
- fprintf (stderr, "but it is a default def so it should be.\n");
- }
- }
- }
- gcc_assert (num <= 0);
-}
generated by cgit v1.1 at 2025-09-01 08:50:40 +0000