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author | Martin Liska <mliska@suse.cz> | 2022-01-14 16:56:44 +0100 |
---|---|---|
committer | Martin Liska <mliska@suse.cz> | 2022-01-17 22:12:04 +0100 |
commit | 5c69acb32329d49e58c26fa41ae74229a52b9106 (patch) | |
tree | ddb05f9d73afb6f998457d2ac4b720e3b3b60483 /gcc/lra-eliminations.c | |
parent | 490e23032baaece71f2ec09fa1805064b150fbc2 (diff) | |
download | gcc-5c69acb32329d49e58c26fa41ae74229a52b9106.zip gcc-5c69acb32329d49e58c26fa41ae74229a52b9106.tar.gz gcc-5c69acb32329d49e58c26fa41ae74229a52b9106.tar.bz2 |
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: Moved to...
* config/i386/x86-tune-sched-atom.cc: ...here.
* config/i386/x86-tune-sched-bd.c: Moved to...
* config/i386/x86-tune-sched-bd.cc: ...here.
* config/i386/x86-tune-sched-core.c: Moved to...
* config/i386/x86-tune-sched-core.cc: ...here.
* config/i386/x86-tune-sched.c: Moved to...
* config/i386/x86-tune-sched.cc: ...here.
* config/ia64/ia64-c.c: Moved to...
* config/ia64/ia64-c.cc: ...here.
* config/ia64/ia64.c: Moved to...
* config/ia64/ia64.cc: ...here.
* config/iq2000/iq2000.c: Moved to...
* config/iq2000/iq2000.cc: ...here.
* config/linux.c: Moved to...
* config/linux.cc: ...here.
* config/lm32/lm32.c: Moved to...
* config/lm32/lm32.cc: ...here.
* config/m32c/m32c-pragma.c: Moved to...
* config/m32c/m32c-pragma.cc: ...here.
* config/m32c/m32c.c: Moved to...
* config/m32c/m32c.cc: ...here.
* config/m32r/m32r.c: Moved to...
* config/m32r/m32r.cc: ...here.
* config/m68k/m68k.c: Moved to...
* config/m68k/m68k.cc: ...here.
* config/mcore/mcore.c: Moved to...
* 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...
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Diffstat (limited to 'gcc/lra-eliminations.c')
-rw-r--r-- | gcc/lra-eliminations.c | 1406 |
1 files changed, 0 insertions, 1406 deletions
diff --git a/gcc/lra-eliminations.c b/gcc/lra-eliminations.c deleted file mode 100644 index c630ff4..0000000 --- a/gcc/lra-eliminations.c +++ /dev/null @@ -1,1406 +0,0 @@ -/* Code for RTL register eliminations. - Copyright (C) 2010-2022 Free Software Foundation, Inc. - Contributed by Vladimir Makarov <vmakarov@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/>. */ - -/* Eliminable registers (like a soft argument or frame pointer) are - widely used in RTL. These eliminable registers should be replaced - by real hard registers (like the stack pointer or hard frame - pointer) plus some offset. The offsets usually change whenever the - stack is expanded. We know the final offsets only at the very end - of LRA. - - Within LRA, we usually keep the RTL in such a state that the - eliminable registers can be replaced by just the corresponding hard - register (without any offset). To achieve this we should add the - initial elimination offset at the beginning of LRA and update the - offsets whenever the stack is expanded. We need to do this before - every constraint pass because the choice of offset often affects - whether a particular address or memory constraint is satisfied. - - We keep RTL code at most time in such state that the virtual - registers can be changed by just the corresponding hard registers - (with zero offsets) and we have the right RTL code. To achieve this - we should add initial offset at the beginning of LRA work and update - offsets after each stack expanding. But actually we update virtual - registers to the same virtual registers + corresponding offsets - before every constraint pass because it affects constraint - satisfaction (e.g. an address displacement became too big for some - target). - - The final change of eliminable registers to the corresponding hard - registers are done at the very end of LRA when there were no change - in offsets anymore: - - fp + 42 => sp + 42 - -*/ - -#include "config.h" -#include "system.h" -#include "coretypes.h" -#include "backend.h" -#include "target.h" -#include "rtl.h" -#include "tree.h" -#include "df.h" -#include "memmodel.h" -#include "tm_p.h" -#include "optabs.h" -#include "regs.h" -#include "ira.h" -#include "recog.h" -#include "output.h" -#include "rtl-error.h" -#include "lra-int.h" - -/* This structure is used to record information about hard register - eliminations. */ -class lra_elim_table -{ -public: - /* Hard register number to be eliminated. */ - int from; - /* Hard register number used as replacement. */ - int to; - /* Difference between values of the two hard registers above on - previous iteration. */ - poly_int64 previous_offset; - /* Difference between the values on the current iteration. */ - poly_int64 offset; - /* Nonzero if this elimination can be done. */ - bool can_eliminate; - /* CAN_ELIMINATE since the last check. */ - bool prev_can_eliminate; - /* REG rtx for the register to be eliminated. We cannot simply - compare the number since we might then spuriously replace a hard - register corresponding to a pseudo assigned to the reg to be - eliminated. */ - rtx from_rtx; - /* REG rtx for the replacement. */ - rtx to_rtx; -}; - -/* The elimination table. Each array entry describes one possible way - of eliminating a register in favor of another. If there is more - than one way of eliminating a particular register, the most - preferred should be specified first. */ -static class lra_elim_table *reg_eliminate = 0; - -/* This is an intermediate structure to initialize the table. It has - exactly the members provided by ELIMINABLE_REGS. */ -static const struct elim_table_1 -{ - const int from; - const int to; -} reg_eliminate_1[] = - - ELIMINABLE_REGS; - -#define NUM_ELIMINABLE_REGS ARRAY_SIZE (reg_eliminate_1) - -/* Print info about elimination table to file F. */ -static void -print_elim_table (FILE *f) -{ - class lra_elim_table *ep; - - for (ep = reg_eliminate; ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++) - { - fprintf (f, "%s eliminate %d to %d (offset=", - ep->can_eliminate ? "Can" : "Can't", ep->from, ep->to); - print_dec (ep->offset, f); - fprintf (f, ", prev_offset="); - print_dec (ep->previous_offset, f); - fprintf (f, ")\n"); - } -} - -/* Print info about elimination table to stderr. */ -void -lra_debug_elim_table (void) -{ - print_elim_table (stderr); -} - -/* Setup possibility of elimination in elimination table element EP to - VALUE. Setup FRAME_POINTER_NEEDED if elimination from frame - pointer to stack pointer is not possible anymore. */ -static void -setup_can_eliminate (class lra_elim_table *ep, bool value) -{ - ep->can_eliminate = ep->prev_can_eliminate = value; - if (! value - && ep->from == FRAME_POINTER_REGNUM && ep->to == STACK_POINTER_REGNUM) - frame_pointer_needed = 1; - if (!frame_pointer_needed) - REGNO_POINTER_ALIGN (HARD_FRAME_POINTER_REGNUM) = 0; -} - -/* Map: eliminable "from" register -> its current elimination, - or NULL if none. The elimination table may contain more than - one elimination for the same hard register, but this map specifies - the one that we are currently using. */ -static class lra_elim_table *elimination_map[FIRST_PSEUDO_REGISTER]; - -/* When an eliminable hard register becomes not eliminable, we use the - following special structure to restore original offsets for the - register. */ -static class lra_elim_table self_elim_table; - -/* Offsets should be used to restore original offsets for eliminable - hard register which just became not eliminable. Zero, - otherwise. */ -static poly_int64_pod self_elim_offsets[FIRST_PSEUDO_REGISTER]; - -/* Map: hard regno -> RTL presentation. RTL presentations of all - potentially eliminable hard registers are stored in the map. */ -static rtx eliminable_reg_rtx[FIRST_PSEUDO_REGISTER]; - -/* Set up ELIMINATION_MAP of the currently used eliminations. */ -static void -setup_elimination_map (void) -{ - int i; - class lra_elim_table *ep; - - for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) - elimination_map[i] = NULL; - for (ep = reg_eliminate; ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++) - if (ep->can_eliminate && elimination_map[ep->from] == NULL) - elimination_map[ep->from] = ep; -} - - - -/* Compute the sum of X and Y, making canonicalizations assumed in an - address, namely: sum constant integers, surround the sum of two - constants with a CONST, put the constant as the second operand, and - group the constant on the outermost sum. - - This routine assumes both inputs are already in canonical form. */ -static rtx -form_sum (rtx x, rtx y) -{ - machine_mode mode = GET_MODE (x); - poly_int64 offset; - - if (mode == VOIDmode) - mode = GET_MODE (y); - - if (mode == VOIDmode) - mode = Pmode; - - if (poly_int_rtx_p (x, &offset)) - return plus_constant (mode, y, offset); - else if (poly_int_rtx_p (y, &offset)) - return plus_constant (mode, x, offset); - else if (CONSTANT_P (x)) - std::swap (x, y); - - if (GET_CODE (x) == PLUS && CONSTANT_P (XEXP (x, 1))) - return form_sum (XEXP (x, 0), form_sum (XEXP (x, 1), y)); - - /* Note that if the operands of Y are specified in the opposite - order in the recursive calls below, infinite recursion will - occur. */ - if (GET_CODE (y) == PLUS && CONSTANT_P (XEXP (y, 1))) - return form_sum (form_sum (x, XEXP (y, 0)), XEXP (y, 1)); - - /* If both constant, encapsulate sum. Otherwise, just form sum. A - constant will have been placed second. */ - if (CONSTANT_P (x) && CONSTANT_P (y)) - { - if (GET_CODE (x) == CONST) - x = XEXP (x, 0); - if (GET_CODE (y) == CONST) - y = XEXP (y, 0); - - return gen_rtx_CONST (VOIDmode, gen_rtx_PLUS (mode, x, y)); - } - - return gen_rtx_PLUS (mode, x, y); -} - -/* Return the current substitution hard register of the elimination of - HARD_REGNO. If HARD_REGNO is not eliminable, return itself. */ -int -lra_get_elimination_hard_regno (int hard_regno) -{ - class lra_elim_table *ep; - - if (hard_regno < 0 || hard_regno >= FIRST_PSEUDO_REGISTER) - return hard_regno; - if ((ep = elimination_map[hard_regno]) == NULL) - return hard_regno; - return ep->to; -} - -/* Return elimination which will be used for hard reg REG, NULL - otherwise. */ -static class lra_elim_table * -get_elimination (rtx reg) -{ - int hard_regno; - class lra_elim_table *ep; - - lra_assert (REG_P (reg)); - if ((hard_regno = REGNO (reg)) < 0 || hard_regno >= FIRST_PSEUDO_REGISTER) - return NULL; - if ((ep = elimination_map[hard_regno]) != NULL) - return ep->from_rtx != reg ? NULL : ep; - poly_int64 offset = self_elim_offsets[hard_regno]; - if (known_eq (offset, 0)) - return NULL; - /* This is an iteration to restore offsets just after HARD_REGNO - stopped to be eliminable. */ - self_elim_table.from = self_elim_table.to = hard_regno; - self_elim_table.from_rtx - = self_elim_table.to_rtx - = eliminable_reg_rtx[hard_regno]; - lra_assert (self_elim_table.from_rtx != NULL); - self_elim_table.offset = offset; - return &self_elim_table; -} - -/* Transform (subreg (plus reg const)) to (plus (subreg reg) const) - when it is possible. Return X or the transformation result if the - transformation is done. */ -static rtx -move_plus_up (rtx x) -{ - rtx subreg_reg; - machine_mode x_mode, subreg_reg_mode; - - if (GET_CODE (x) != SUBREG || !subreg_lowpart_p (x)) - return x; - subreg_reg = SUBREG_REG (x); - x_mode = GET_MODE (x); - subreg_reg_mode = GET_MODE (subreg_reg); - if (!paradoxical_subreg_p (x) - && GET_CODE (subreg_reg) == PLUS - && CONSTANT_P (XEXP (subreg_reg, 1)) - && GET_MODE_CLASS (x_mode) == MODE_INT - && GET_MODE_CLASS (subreg_reg_mode) == MODE_INT) - { - rtx cst = simplify_subreg (x_mode, XEXP (subreg_reg, 1), subreg_reg_mode, - subreg_lowpart_offset (x_mode, - subreg_reg_mode)); - if (cst && CONSTANT_P (cst)) - return gen_rtx_PLUS (x_mode, lowpart_subreg (x_mode, - XEXP (subreg_reg, 0), - subreg_reg_mode), cst); - } - return x; -} - -/* Scan X and replace any eliminable registers (such as fp) with a - replacement (such as sp) if SUBST_P, plus an offset. The offset is - a change in the offset between the eliminable register and its - substitution if UPDATE_P, or the full offset if FULL_P, or - otherwise zero. If FULL_P, we also use the SP offsets for - elimination to SP. If UPDATE_P, use UPDATE_SP_OFFSET for updating - offsets of register elimnable to SP. If UPDATE_SP_OFFSET is - non-zero, don't use difference of the offset and the previous - offset. - - MEM_MODE is the mode of an enclosing MEM. We need this to know how - much to adjust a register for, e.g., PRE_DEC. Also, if we are - inside a MEM, we are allowed to replace a sum of a hard register - and the constant zero with the hard register, which we cannot do - outside a MEM. In addition, we need to record the fact that a - hard register is referenced outside a MEM. - - If we make full substitution to SP for non-null INSN, add the insn - sp offset. */ -rtx -lra_eliminate_regs_1 (rtx_insn *insn, rtx x, machine_mode mem_mode, - bool subst_p, bool update_p, - poly_int64 update_sp_offset, bool full_p) -{ - enum rtx_code code = GET_CODE (x); - class lra_elim_table *ep; - rtx new_rtx; - int i, j; - const char *fmt; - int copied = 0; - - lra_assert (!update_p || !full_p); - lra_assert (known_eq (update_sp_offset, 0) - || (!subst_p && update_p && !full_p)); - if (! current_function_decl) - return x; - - switch (code) - { - CASE_CONST_ANY: - case CONST: - case SYMBOL_REF: - case CODE_LABEL: - case PC: - case ASM_INPUT: - case ADDR_VEC: - case ADDR_DIFF_VEC: - case RETURN: - return x; - - case REG: - /* First handle the case where we encounter a bare hard register - that is eliminable. Replace it with a PLUS. */ - if ((ep = get_elimination (x)) != NULL) - { - rtx to = subst_p ? ep->to_rtx : ep->from_rtx; - - if (maybe_ne (update_sp_offset, 0)) - { - if (ep->to_rtx == stack_pointer_rtx) - return plus_constant (Pmode, to, update_sp_offset); - return to; - } - else if (update_p) - return plus_constant (Pmode, to, ep->offset - ep->previous_offset); - else if (full_p) - return plus_constant (Pmode, to, - ep->offset - - (insn != NULL_RTX - && ep->to_rtx == stack_pointer_rtx - ? lra_get_insn_recog_data (insn)->sp_offset - : 0)); - else - return to; - } - return x; - - case PLUS: - /* If this is the sum of an eliminable register and a constant, rework - the sum. */ - if (REG_P (XEXP (x, 0)) && CONSTANT_P (XEXP (x, 1))) - { - if ((ep = get_elimination (XEXP (x, 0))) != NULL) - { - poly_int64 offset, curr_offset; - rtx to = subst_p ? ep->to_rtx : ep->from_rtx; - - if (! update_p && ! full_p) - return gen_rtx_PLUS (Pmode, to, XEXP (x, 1)); - - if (maybe_ne (update_sp_offset, 0)) - offset = ep->to_rtx == stack_pointer_rtx ? update_sp_offset : 0; - else - offset = (update_p - ? ep->offset - ep->previous_offset : ep->offset); - if (full_p && insn != NULL_RTX && ep->to_rtx == stack_pointer_rtx) - offset -= lra_get_insn_recog_data (insn)->sp_offset; - if (poly_int_rtx_p (XEXP (x, 1), &curr_offset) - && known_eq (curr_offset, -offset)) - return to; - else - return gen_rtx_PLUS (Pmode, to, - plus_constant (Pmode, - XEXP (x, 1), offset)); - } - - /* If the hard register is not eliminable, we are done since - the other operand is a constant. */ - return x; - } - - /* If this is part of an address, we want to bring any constant - to the outermost PLUS. We will do this by doing hard - register replacement in our operands and seeing if a constant - shows up in one of them. - - Note that there is no risk of modifying the structure of the - insn, since we only get called for its operands, thus we are - either modifying the address inside a MEM, or something like - an address operand of a load-address insn. */ - - { - rtx new0 = lra_eliminate_regs_1 (insn, XEXP (x, 0), mem_mode, - subst_p, update_p, - update_sp_offset, full_p); - rtx new1 = lra_eliminate_regs_1 (insn, XEXP (x, 1), mem_mode, - subst_p, update_p, - update_sp_offset, full_p); - - new0 = move_plus_up (new0); - new1 = move_plus_up (new1); - if (new0 != XEXP (x, 0) || new1 != XEXP (x, 1)) - return form_sum (new0, new1); - } - return x; - - case MULT: - /* If this is the product of an eliminable hard register and a - constant, apply the distribute law and move the constant out - so that we have (plus (mult ..) ..). This is needed in order - to keep load-address insns valid. This case is pathological. - We ignore the possibility of overflow here. */ - if (REG_P (XEXP (x, 0)) && CONST_INT_P (XEXP (x, 1)) - && (ep = get_elimination (XEXP (x, 0))) != NULL) - { - rtx to = subst_p ? ep->to_rtx : ep->from_rtx; - - if (maybe_ne (update_sp_offset, 0)) - { - if (ep->to_rtx == stack_pointer_rtx) - return plus_constant (Pmode, - gen_rtx_MULT (Pmode, to, XEXP (x, 1)), - update_sp_offset * INTVAL (XEXP (x, 1))); - return gen_rtx_MULT (Pmode, to, XEXP (x, 1)); - } - else if (update_p) - return plus_constant (Pmode, - gen_rtx_MULT (Pmode, to, XEXP (x, 1)), - (ep->offset - ep->previous_offset) - * INTVAL (XEXP (x, 1))); - else if (full_p) - { - poly_int64 offset = ep->offset; - - if (insn != NULL_RTX && ep->to_rtx == stack_pointer_rtx) - offset -= lra_get_insn_recog_data (insn)->sp_offset; - return - plus_constant (Pmode, - gen_rtx_MULT (Pmode, to, XEXP (x, 1)), - offset * INTVAL (XEXP (x, 1))); - } - else - return gen_rtx_MULT (Pmode, to, XEXP (x, 1)); - } - - /* fall through */ - - case CALL: - case COMPARE: - /* See comments before PLUS about handling MINUS. */ - case MINUS: - case DIV: case UDIV: - case MOD: case UMOD: - case AND: case IOR: case XOR: - case ROTATERT: case ROTATE: - case ASHIFTRT: case LSHIFTRT: case ASHIFT: - case NE: case EQ: - case GE: case GT: case GEU: case GTU: - case LE: case LT: case LEU: case LTU: - { - rtx new0 = lra_eliminate_regs_1 (insn, XEXP (x, 0), mem_mode, - subst_p, update_p, - update_sp_offset, full_p); - rtx new1 = XEXP (x, 1) - ? lra_eliminate_regs_1 (insn, XEXP (x, 1), mem_mode, - subst_p, update_p, - update_sp_offset, full_p) : 0; - - if (new0 != XEXP (x, 0) || new1 != XEXP (x, 1)) - return gen_rtx_fmt_ee (code, GET_MODE (x), new0, new1); - } - return x; - - case EXPR_LIST: - /* If we have something in XEXP (x, 0), the usual case, - eliminate it. */ - if (XEXP (x, 0)) - { - new_rtx = lra_eliminate_regs_1 (insn, XEXP (x, 0), mem_mode, - subst_p, update_p, - update_sp_offset, full_p); - if (new_rtx != XEXP (x, 0)) - { - /* If this is a REG_DEAD note, it is not valid anymore. - Using the eliminated version could result in creating a - REG_DEAD note for the stack or frame pointer. */ - if (REG_NOTE_KIND (x) == REG_DEAD) - return (XEXP (x, 1) - ? lra_eliminate_regs_1 (insn, XEXP (x, 1), mem_mode, - subst_p, update_p, - update_sp_offset, full_p) - : NULL_RTX); - - x = alloc_reg_note (REG_NOTE_KIND (x), new_rtx, XEXP (x, 1)); - } - } - - /* fall through */ - - case INSN_LIST: - case INT_LIST: - /* Now do eliminations in the rest of the chain. If this was - an EXPR_LIST, this might result in allocating more memory than is - strictly needed, but it simplifies the code. */ - if (XEXP (x, 1)) - { - new_rtx = lra_eliminate_regs_1 (insn, XEXP (x, 1), mem_mode, - subst_p, update_p, - update_sp_offset, full_p); - if (new_rtx != XEXP (x, 1)) - return - gen_rtx_fmt_ee (GET_CODE (x), GET_MODE (x), - XEXP (x, 0), new_rtx); - } - return x; - - case PRE_INC: - case POST_INC: - case PRE_DEC: - case POST_DEC: - /* We do not support elimination of a register that is modified. - elimination_effects has already make sure that this does not - happen. */ - return x; - - case PRE_MODIFY: - case POST_MODIFY: - /* We do not support elimination of a hard register that is - modified. LRA has already make sure that this does not - happen. The only remaining case we need to consider here is - that the increment value may be an eliminable register. */ - if (GET_CODE (XEXP (x, 1)) == PLUS - && XEXP (XEXP (x, 1), 0) == XEXP (x, 0)) - { - rtx new_rtx = lra_eliminate_regs_1 (insn, XEXP (XEXP (x, 1), 1), - mem_mode, subst_p, update_p, - update_sp_offset, full_p); - - if (new_rtx != XEXP (XEXP (x, 1), 1)) - return gen_rtx_fmt_ee (code, GET_MODE (x), XEXP (x, 0), - gen_rtx_PLUS (GET_MODE (x), - XEXP (x, 0), new_rtx)); - } - return x; - - case STRICT_LOW_PART: - case NEG: case NOT: - case SIGN_EXTEND: case ZERO_EXTEND: - case TRUNCATE: case FLOAT_EXTEND: case FLOAT_TRUNCATE: - case FLOAT: case FIX: - case UNSIGNED_FIX: case UNSIGNED_FLOAT: - case ABS: - case SQRT: - case FFS: - case CLZ: - case CTZ: - case POPCOUNT: - case PARITY: - case BSWAP: - new_rtx = lra_eliminate_regs_1 (insn, XEXP (x, 0), mem_mode, - subst_p, update_p, - update_sp_offset, full_p); - if (new_rtx != XEXP (x, 0)) - return gen_rtx_fmt_e (code, GET_MODE (x), new_rtx); - return x; - - case SUBREG: - new_rtx = lra_eliminate_regs_1 (insn, SUBREG_REG (x), mem_mode, - subst_p, update_p, - update_sp_offset, full_p); - - if (new_rtx != SUBREG_REG (x)) - { - if (MEM_P (new_rtx) && !paradoxical_subreg_p (x)) - { - SUBREG_REG (x) = new_rtx; - alter_subreg (&x, false); - return x; - } - else if (! subst_p) - { - /* LRA can transform subregs itself. So don't call - simplify_gen_subreg until LRA transformations are - finished. Function simplify_gen_subreg can do - non-trivial transformations (like truncation) which - might make LRA work to fail. */ - SUBREG_REG (x) = new_rtx; - return x; - } - else - return simplify_gen_subreg (GET_MODE (x), new_rtx, - GET_MODE (new_rtx), SUBREG_BYTE (x)); - } - - return x; - - case MEM: - /* Our only special processing is to pass the mode of the MEM to our - recursive call and copy the flags. While we are here, handle this - case more efficiently. */ - return - replace_equiv_address_nv - (x, - lra_eliminate_regs_1 (insn, XEXP (x, 0), GET_MODE (x), - subst_p, update_p, update_sp_offset, full_p)); - - case USE: - /* Handle insn_list USE that a call to a pure function may generate. */ - new_rtx = lra_eliminate_regs_1 (insn, XEXP (x, 0), VOIDmode, - subst_p, update_p, update_sp_offset, full_p); - if (new_rtx != XEXP (x, 0)) - return gen_rtx_USE (GET_MODE (x), new_rtx); - return x; - - case CLOBBER: - case SET: - gcc_unreachable (); - - default: - break; - } - - /* Process each of our operands recursively. If any have changed, make a - copy of the rtx. */ - fmt = GET_RTX_FORMAT (code); - for (i = 0; i < GET_RTX_LENGTH (code); i++, fmt++) - { - if (*fmt == 'e') - { - new_rtx = lra_eliminate_regs_1 (insn, XEXP (x, i), mem_mode, - subst_p, update_p, - update_sp_offset, full_p); - if (new_rtx != XEXP (x, i) && ! copied) - { - x = shallow_copy_rtx (x); - copied = 1; - } - XEXP (x, i) = new_rtx; - } - else if (*fmt == 'E') - { - int copied_vec = 0; - for (j = 0; j < XVECLEN (x, i); j++) - { - new_rtx = lra_eliminate_regs_1 (insn, XVECEXP (x, i, j), mem_mode, - subst_p, update_p, - update_sp_offset, full_p); - if (new_rtx != XVECEXP (x, i, j) && ! copied_vec) - { - rtvec new_v = gen_rtvec_v (XVECLEN (x, i), - XVEC (x, i)->elem); - if (! copied) - { - x = shallow_copy_rtx (x); - copied = 1; - } - XVEC (x, i) = new_v; - copied_vec = 1; - } - XVECEXP (x, i, j) = new_rtx; - } - } - } - - return x; -} - -/* This function is used externally in subsequent passes of GCC. It - always does a full elimination of X. */ -rtx -lra_eliminate_regs (rtx x, machine_mode mem_mode, - rtx insn ATTRIBUTE_UNUSED) -{ - return lra_eliminate_regs_1 (NULL, x, mem_mode, true, false, 0, true); -} - -/* Stack pointer offset before the current insn relative to one at the - func start. RTL insns can change SP explicitly. We keep the - changes from one insn to another through this variable. */ -static poly_int64 curr_sp_change; - -/* Scan rtx X for references to elimination source or target registers - in contexts that would prevent the elimination from happening. - Update the table of eliminables to reflect the changed state. - MEM_MODE is the mode of an enclosing MEM rtx, or VOIDmode if not - within a MEM. */ -static void -mark_not_eliminable (rtx x, machine_mode mem_mode) -{ - enum rtx_code code = GET_CODE (x); - class lra_elim_table *ep; - int i, j; - const char *fmt; - poly_int64 offset = 0; - - switch (code) - { - case PRE_INC: - case POST_INC: - case PRE_DEC: - case POST_DEC: - case POST_MODIFY: - case PRE_MODIFY: - if (XEXP (x, 0) == stack_pointer_rtx - && ((code != PRE_MODIFY && code != POST_MODIFY) - || (GET_CODE (XEXP (x, 1)) == PLUS - && XEXP (x, 0) == XEXP (XEXP (x, 1), 0) - && poly_int_rtx_p (XEXP (XEXP (x, 1), 1), &offset)))) - { - poly_int64 size = GET_MODE_SIZE (mem_mode); - -#ifdef PUSH_ROUNDING - /* If more bytes than MEM_MODE are pushed, account for - them. */ - size = PUSH_ROUNDING (size); -#endif - if (code == PRE_DEC || code == POST_DEC) - curr_sp_change -= size; - else if (code == PRE_INC || code == POST_INC) - curr_sp_change += size; - else if (code == PRE_MODIFY || code == POST_MODIFY) - curr_sp_change += offset; - } - else if (REG_P (XEXP (x, 0)) - && REGNO (XEXP (x, 0)) >= FIRST_PSEUDO_REGISTER) - { - /* If we modify the source of an elimination rule, disable - it. Do the same if it is the destination and not the - hard frame register. */ - for (ep = reg_eliminate; - ep < ®_eliminate[NUM_ELIMINABLE_REGS]; - ep++) - if (ep->from_rtx == XEXP (x, 0) - || (ep->to_rtx == XEXP (x, 0) - && ep->to_rtx != hard_frame_pointer_rtx)) - setup_can_eliminate (ep, false); - } - return; - - case USE: - if (REG_P (XEXP (x, 0)) && REGNO (XEXP (x, 0)) < FIRST_PSEUDO_REGISTER) - /* If using a hard register that is the source of an eliminate - we still think can be performed, note it cannot be - performed since we don't know how this hard register is - used. */ - for (ep = reg_eliminate; - ep < ®_eliminate[NUM_ELIMINABLE_REGS]; - ep++) - if (ep->from_rtx == XEXP (x, 0) - && ep->to_rtx != hard_frame_pointer_rtx) - setup_can_eliminate (ep, false); - return; - - case CLOBBER: - if (REG_P (XEXP (x, 0)) && REGNO (XEXP (x, 0)) < FIRST_PSEUDO_REGISTER) - /* If clobbering a hard register that is the replacement - register for an elimination we still think can be - performed, note that it cannot be performed. Otherwise, we - need not be concerned about it. */ - for (ep = reg_eliminate; - ep < ®_eliminate[NUM_ELIMINABLE_REGS]; - ep++) - if (ep->to_rtx == XEXP (x, 0) - && ep->to_rtx != hard_frame_pointer_rtx) - setup_can_eliminate (ep, false); - return; - - case SET: - if (SET_DEST (x) == stack_pointer_rtx - && GET_CODE (SET_SRC (x)) == PLUS - && XEXP (SET_SRC (x), 0) == SET_DEST (x) - && poly_int_rtx_p (XEXP (SET_SRC (x), 1), &offset)) - { - curr_sp_change += offset; - return; - } - if (! REG_P (SET_DEST (x)) - || REGNO (SET_DEST (x)) >= FIRST_PSEUDO_REGISTER) - mark_not_eliminable (SET_DEST (x), mem_mode); - else - { - /* See if this is setting the replacement hard register for - an elimination. - - If DEST is the hard frame pointer, we do nothing because - we assume that all assignments to the frame pointer are - for non-local gotos and are being done at a time when - they are valid and do not disturb anything else. Some - machines want to eliminate a fake argument pointer (or - even a fake frame pointer) with either the real frame - pointer or the stack pointer. Assignments to the hard - frame pointer must not prevent this elimination. */ - for (ep = reg_eliminate; - ep < ®_eliminate[NUM_ELIMINABLE_REGS]; - ep++) - if (ep->to_rtx == SET_DEST (x) - && SET_DEST (x) != hard_frame_pointer_rtx) - setup_can_eliminate (ep, false); - } - - mark_not_eliminable (SET_SRC (x), mem_mode); - return; - - case MEM: - /* Our only special processing is to pass the mode of the MEM to - our recursive call. */ - mark_not_eliminable (XEXP (x, 0), GET_MODE (x)); - return; - - default: - break; - } - - fmt = GET_RTX_FORMAT (code); - for (i = 0; i < GET_RTX_LENGTH (code); i++, fmt++) - { - if (*fmt == 'e') - mark_not_eliminable (XEXP (x, i), mem_mode); - else if (*fmt == 'E') - for (j = 0; j < XVECLEN (x, i); j++) - mark_not_eliminable (XVECEXP (x, i, j), mem_mode); - } -} - - - -/* Scan INSN and eliminate all eliminable hard registers in it. - - If REPLACE_P is true, do the replacement destructively. Also - delete the insn as dead it if it is setting an eliminable register. - - If REPLACE_P is false, just update the offsets while keeping the - base register the same. If FIRST_P, use the sp offset for - elimination to sp. Otherwise, use UPDATE_SP_OFFSET for this. If - UPDATE_SP_OFFSET is non-zero, don't use difference of the offset - and the previous offset. Attach the note about used elimination - for insns setting frame pointer to update elimination easy (without - parsing already generated elimination insns to find offset - previously used) in future. */ - -void -eliminate_regs_in_insn (rtx_insn *insn, bool replace_p, bool first_p, - poly_int64 update_sp_offset) -{ - int icode = recog_memoized (insn); - rtx set, old_set = single_set (insn); - bool validate_p; - int i; - rtx substed_operand[MAX_RECOG_OPERANDS]; - rtx orig_operand[MAX_RECOG_OPERANDS]; - class lra_elim_table *ep; - rtx plus_src, plus_cst_src; - lra_insn_recog_data_t id; - struct lra_static_insn_data *static_id; - - if (icode < 0 && asm_noperands (PATTERN (insn)) < 0 && ! DEBUG_INSN_P (insn)) - { - lra_assert (GET_CODE (PATTERN (insn)) == USE - || GET_CODE (PATTERN (insn)) == CLOBBER - || GET_CODE (PATTERN (insn)) == ASM_INPUT); - return; - } - - /* We allow one special case which happens to work on all machines we - currently support: a single set with the source or a REG_EQUAL - note being a PLUS of an eliminable register and a constant. */ - plus_src = plus_cst_src = 0; - poly_int64 offset = 0; - if (old_set && REG_P (SET_DEST (old_set))) - { - if (GET_CODE (SET_SRC (old_set)) == PLUS) - plus_src = SET_SRC (old_set); - /* First see if the source is of the form (plus (...) CST). */ - if (plus_src && poly_int_rtx_p (XEXP (plus_src, 1), &offset)) - plus_cst_src = plus_src; - /* Check that the first operand of the PLUS is a hard reg or - the lowpart subreg of one. */ - if (plus_cst_src) - { - rtx reg = XEXP (plus_cst_src, 0); - - if (GET_CODE (reg) == SUBREG && subreg_lowpart_p (reg)) - reg = SUBREG_REG (reg); - - if (!REG_P (reg) || REGNO (reg) >= FIRST_PSEUDO_REGISTER) - plus_cst_src = 0; - } - } - if (plus_cst_src) - { - rtx reg = XEXP (plus_cst_src, 0); - - if (GET_CODE (reg) == SUBREG) - reg = SUBREG_REG (reg); - - if (REG_P (reg) && (ep = get_elimination (reg)) != NULL) - { - rtx to_rtx = replace_p ? ep->to_rtx : ep->from_rtx; - - if (! replace_p) - { - if (known_eq (update_sp_offset, 0)) - offset += (ep->offset - ep->previous_offset); - if (ep->to_rtx == stack_pointer_rtx) - { - if (first_p) - offset -= lra_get_insn_recog_data (insn)->sp_offset; - else - offset += update_sp_offset; - } - offset = trunc_int_for_mode (offset, GET_MODE (plus_cst_src)); - } - - if (GET_CODE (XEXP (plus_cst_src, 0)) == SUBREG) - to_rtx = gen_lowpart (GET_MODE (XEXP (plus_cst_src, 0)), to_rtx); - /* If we have a nonzero offset, and the source is already a - simple REG, the following transformation would increase - the cost of the insn by replacing a simple REG with (plus - (reg sp) CST). So try only when we already had a PLUS - before. */ - if (known_eq (offset, 0) || plus_src) - { - rtx new_src = plus_constant (GET_MODE (to_rtx), to_rtx, offset); - - old_set = single_set (insn); - - /* First see if this insn remains valid when we make the - change. If not, try to replace the whole pattern - with a simple set (this may help if the original insn - was a PARALLEL that was only recognized as single_set - due to REG_UNUSED notes). If this isn't valid - either, keep the INSN_CODE the same and let the - constraint pass fix it up. */ - if (! validate_change (insn, &SET_SRC (old_set), new_src, 0)) - { - rtx new_pat = gen_rtx_SET (SET_DEST (old_set), new_src); - - if (! validate_change (insn, &PATTERN (insn), new_pat, 0)) - SET_SRC (old_set) = new_src; - } - lra_update_insn_recog_data (insn); - /* This can't have an effect on elimination offsets, so skip - right to the end. */ - return; - } - } - } - - /* Eliminate all eliminable registers occurring in operands that - can be handled by the constraint pass. */ - id = lra_get_insn_recog_data (insn); - static_id = id->insn_static_data; - validate_p = false; - for (i = 0; i < static_id->n_operands; i++) - { - orig_operand[i] = *id->operand_loc[i]; - substed_operand[i] = *id->operand_loc[i]; - - /* For an asm statement, every operand is eliminable. */ - if (icode < 0 || insn_data[icode].operand[i].eliminable) - { - /* Check for setting a hard register that we know about. */ - if (static_id->operand[i].type != OP_IN - && REG_P (orig_operand[i])) - { - /* If we are assigning to a hard register that can be - eliminated, it must be as part of a PARALLEL, since - the code above handles single SETs. This reg cannot - be longer eliminated -- it is forced by - mark_not_eliminable. */ - for (ep = reg_eliminate; - ep < ®_eliminate[NUM_ELIMINABLE_REGS]; - ep++) - lra_assert (ep->from_rtx != orig_operand[i] - || ! ep->can_eliminate); - } - - /* Companion to the above plus substitution, we can allow - invariants as the source of a plain move. */ - substed_operand[i] - = lra_eliminate_regs_1 (insn, *id->operand_loc[i], VOIDmode, - replace_p, ! replace_p && ! first_p, - update_sp_offset, first_p); - if (substed_operand[i] != orig_operand[i]) - validate_p = true; - } - } - - if (! validate_p) - return; - - /* Substitute the operands; the new values are in the substed_operand - array. */ - for (i = 0; i < static_id->n_operands; i++) - *id->operand_loc[i] = substed_operand[i]; - for (i = 0; i < static_id->n_dups; i++) - *id->dup_loc[i] = substed_operand[(int) static_id->dup_num[i]]; - - /* Transform plus (plus (hard reg, const), pseudo) to plus (plus (pseudo, - const), hard reg) in order to keep insn containing eliminated register - after all reloads calculating its offset. This permits to keep register - pressure under control and helps to avoid LRA cycling in patalogical - cases. */ - if (! replace_p && (set = single_set (insn)) != NULL - && GET_CODE (SET_SRC (set)) == PLUS - && GET_CODE (XEXP (SET_SRC (set), 0)) == PLUS) - { - rtx reg1, reg2, op1, op2; - - reg1 = op1 = XEXP (XEXP (SET_SRC (set), 0), 0); - reg2 = op2 = XEXP (SET_SRC (set), 1); - if (GET_CODE (reg1) == SUBREG) - reg1 = SUBREG_REG (reg1); - if (GET_CODE (reg2) == SUBREG) - reg2 = SUBREG_REG (reg2); - if (REG_P (reg1) && REG_P (reg2) - && REGNO (reg1) < FIRST_PSEUDO_REGISTER - && REGNO (reg2) >= FIRST_PSEUDO_REGISTER - && GET_MODE (reg1) == Pmode - && !have_addptr3_insn (lra_pmode_pseudo, reg1, - XEXP (XEXP (SET_SRC (set), 0), 1))) - { - XEXP (XEXP (SET_SRC (set), 0), 0) = op2; - XEXP (SET_SRC (set), 1) = op1; - } - } - - /* If we had a move insn but now we don't, re-recognize it. - This will cause spurious re-recognition if the old move had a - PARALLEL since the new one still will, but we can't call - single_set without having put new body into the insn and the - re-recognition won't hurt in this rare case. */ - lra_update_insn_recog_data (insn); -} - -/* Spill pseudos which are assigned to hard registers in SET. Add - affected insns for processing in the subsequent constraint - pass. */ -static void -spill_pseudos (HARD_REG_SET set) -{ - int i; - bitmap_head to_process; - rtx_insn *insn; - - if (hard_reg_set_empty_p (set)) - return; - if (lra_dump_file != NULL) - { - fprintf (lra_dump_file, " Spilling non-eliminable hard regs:"); - for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) - if (TEST_HARD_REG_BIT (set, i)) - fprintf (lra_dump_file, " %d", i); - fprintf (lra_dump_file, "\n"); - } - bitmap_initialize (&to_process, ®_obstack); - for (i = FIRST_PSEUDO_REGISTER; i < max_reg_num (); i++) - if (lra_reg_info[i].nrefs != 0 && reg_renumber[i] >= 0 - && overlaps_hard_reg_set_p (set, - PSEUDO_REGNO_MODE (i), reg_renumber[i])) - { - if (lra_dump_file != NULL) - fprintf (lra_dump_file, " Spilling r%d(%d)\n", - i, reg_renumber[i]); - reg_renumber[i] = -1; - bitmap_ior_into (&to_process, &lra_reg_info[i].insn_bitmap); - } - lra_no_alloc_regs |= set; - for (insn = get_insns (); insn != NULL_RTX; insn = NEXT_INSN (insn)) - if (bitmap_bit_p (&to_process, INSN_UID (insn))) - { - lra_push_insn (insn); - lra_set_used_insn_alternative (insn, LRA_UNKNOWN_ALT); - } - bitmap_clear (&to_process); -} - -/* Update all offsets and possibility for elimination on eliminable - registers. Spill pseudos assigned to registers which are - uneliminable, update LRA_NO_ALLOC_REGS and ELIMINABLE_REG_SET. Add - insns to INSNS_WITH_CHANGED_OFFSETS containing eliminable hard - registers whose offsets should be changed. Return true if any - elimination offset changed. */ -static bool -update_reg_eliminate (bitmap insns_with_changed_offsets) -{ - bool prev, result; - class lra_elim_table *ep, *ep1; - HARD_REG_SET temp_hard_reg_set; - - targetm.compute_frame_layout (); - - /* Clear self elimination offsets. */ - for (ep = reg_eliminate; ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++) - self_elim_offsets[ep->from] = 0; - for (ep = reg_eliminate; ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++) - { - /* If it is a currently used elimination: update the previous - offset. */ - if (elimination_map[ep->from] == ep) - ep->previous_offset = ep->offset; - - prev = ep->prev_can_eliminate; - setup_can_eliminate (ep, targetm.can_eliminate (ep->from, ep->to)); - if (ep->can_eliminate && ! prev) - { - /* It is possible that not eliminable register becomes - eliminable because we took other reasons into account to - set up eliminable regs in the initial set up. Just - ignore new eliminable registers. */ - setup_can_eliminate (ep, false); - continue; - } - if (ep->can_eliminate != prev && elimination_map[ep->from] == ep) - { - /* We cannot use this elimination anymore -- find another - one. */ - if (lra_dump_file != NULL) - fprintf (lra_dump_file, - " Elimination %d to %d is not possible anymore\n", - ep->from, ep->to); - /* If after processing RTL we decides that SP can be used as - a result of elimination, it cannot be changed. */ - gcc_assert ((ep->to_rtx != stack_pointer_rtx) - || (ep->from < FIRST_PSEUDO_REGISTER - && fixed_regs [ep->from])); - /* Mark that is not eliminable anymore. */ - elimination_map[ep->from] = NULL; - for (ep1 = ep + 1; ep1 < ®_eliminate[NUM_ELIMINABLE_REGS]; ep1++) - if (ep1->can_eliminate && ep1->from == ep->from) - break; - if (ep1 < ®_eliminate[NUM_ELIMINABLE_REGS]) - { - if (lra_dump_file != NULL) - fprintf (lra_dump_file, " Using elimination %d to %d now\n", - ep1->from, ep1->to); - lra_assert (known_eq (ep1->previous_offset, 0)); - ep1->previous_offset = ep->offset; - } - else - { - /* There is no elimination anymore just use the hard - register `from' itself. Setup self elimination - offset to restore the original offset values. */ - if (lra_dump_file != NULL) - fprintf (lra_dump_file, " %d is not eliminable at all\n", - ep->from); - self_elim_offsets[ep->from] = -ep->offset; - if (maybe_ne (ep->offset, 0)) - bitmap_ior_into (insns_with_changed_offsets, - &lra_reg_info[ep->from].insn_bitmap); - } - } - - INITIAL_ELIMINATION_OFFSET (ep->from, ep->to, ep->offset); - } - setup_elimination_map (); - result = false; - CLEAR_HARD_REG_SET (temp_hard_reg_set); - for (ep = reg_eliminate; ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++) - if (elimination_map[ep->from] == NULL) - add_to_hard_reg_set (&temp_hard_reg_set, Pmode, ep->from); - else if (elimination_map[ep->from] == ep) - { - /* Prevent the hard register into which we eliminate from - the usage for pseudos. */ - if (ep->from != ep->to) - add_to_hard_reg_set (&temp_hard_reg_set, Pmode, ep->to); - if (maybe_ne (ep->previous_offset, ep->offset)) - { - bitmap_ior_into (insns_with_changed_offsets, - &lra_reg_info[ep->from].insn_bitmap); - - /* Update offset when the eliminate offset have been - changed. */ - lra_update_reg_val_offset (lra_reg_info[ep->from].val, - ep->offset - ep->previous_offset); - result = true; - } - } - lra_no_alloc_regs |= temp_hard_reg_set; - eliminable_regset &= ~temp_hard_reg_set; - spill_pseudos (temp_hard_reg_set); - return result; -} - -/* Initialize the table of hard registers to eliminate. - Pre-condition: global flag frame_pointer_needed has been set before - calling this function. */ -static void -init_elim_table (void) -{ - class lra_elim_table *ep; - bool value_p; - const struct elim_table_1 *ep1; - - if (!reg_eliminate) - reg_eliminate = XCNEWVEC (class lra_elim_table, NUM_ELIMINABLE_REGS); - - memset (self_elim_offsets, 0, sizeof (self_elim_offsets)); - /* Initiate member values which will be never changed. */ - self_elim_table.can_eliminate = self_elim_table.prev_can_eliminate = true; - self_elim_table.previous_offset = 0; - - for (ep = reg_eliminate, ep1 = reg_eliminate_1; - ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++, ep1++) - { - ep->offset = ep->previous_offset = 0; - ep->from = ep1->from; - ep->to = ep1->to; - value_p = (targetm.can_eliminate (ep->from, ep->to) - && ! (ep->to == STACK_POINTER_REGNUM - && frame_pointer_needed - && (! SUPPORTS_STACK_ALIGNMENT - || ! stack_realign_fp))); - setup_can_eliminate (ep, value_p); - } - - /* Build the FROM and TO REG rtx's. Note that code in gen_rtx_REG - will cause, e.g., gen_rtx_REG (Pmode, STACK_POINTER_REGNUM) to - equal stack_pointer_rtx. We depend on this. Threfore we switch - off that we are in LRA temporarily. */ - lra_in_progress = 0; - for (ep = reg_eliminate; ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++) - { - ep->from_rtx = gen_rtx_REG (Pmode, ep->from); - ep->to_rtx = gen_rtx_REG (Pmode, ep->to); - eliminable_reg_rtx[ep->from] = ep->from_rtx; - } - lra_in_progress = 1; -} - -/* Function for initialization of elimination once per function. It - sets up sp offset for each insn. */ -static void -init_elimination (void) -{ - bool stop_to_sp_elimination_p; - basic_block bb; - rtx_insn *insn; - class lra_elim_table *ep; - - init_elim_table (); - FOR_EACH_BB_FN (bb, cfun) - { - curr_sp_change = 0; - stop_to_sp_elimination_p = false; - FOR_BB_INSNS (bb, insn) - if (INSN_P (insn)) - { - lra_get_insn_recog_data (insn)->sp_offset = curr_sp_change; - if (NONDEBUG_INSN_P (insn)) - { - mark_not_eliminable (PATTERN (insn), VOIDmode); - if (maybe_ne (curr_sp_change, 0) - && find_reg_note (insn, REG_LABEL_OPERAND, NULL_RTX)) - stop_to_sp_elimination_p = true; - } - } - if (! frame_pointer_needed - && (maybe_ne (curr_sp_change, 0) || stop_to_sp_elimination_p) - && bb->succs && bb->succs->length () != 0) - for (ep = reg_eliminate; ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++) - if (ep->to == STACK_POINTER_REGNUM) - setup_can_eliminate (ep, false); - } - setup_elimination_map (); -} - -/* Eliminate hard reg given by its location LOC. */ -void -lra_eliminate_reg_if_possible (rtx *loc) -{ - int regno; - class lra_elim_table *ep; - - lra_assert (REG_P (*loc)); - if ((regno = REGNO (*loc)) >= FIRST_PSEUDO_REGISTER - || ! TEST_HARD_REG_BIT (lra_no_alloc_regs, regno)) - return; - if ((ep = get_elimination (*loc)) != NULL) - *loc = ep->to_rtx; -} - -/* Do (final if FINAL_P or first if FIRST_P) elimination in INSN. Add - the insn for subsequent processing in the constraint pass, update - the insn info. */ -static void -process_insn_for_elimination (rtx_insn *insn, bool final_p, bool first_p) -{ - eliminate_regs_in_insn (insn, final_p, first_p, 0); - if (! final_p) - { - /* Check that insn changed its code. This is a case when a move - insn becomes an add insn and we do not want to process the - insn as a move anymore. */ - int icode = recog (PATTERN (insn), insn, 0); - - if (icode >= 0 && icode != INSN_CODE (insn)) - { - if (INSN_CODE (insn) >= 0) - /* Insn code is changed. It may change its operand type - from IN to INOUT. Inform the subsequent assignment - subpass about this situation. */ - check_and_force_assignment_correctness_p = true; - INSN_CODE (insn) = icode; - lra_update_insn_recog_data (insn); - } - lra_update_insn_regno_info (insn); - lra_push_insn (insn); - lra_set_used_insn_alternative (insn, LRA_UNKNOWN_ALT); - } -} - -/* Entry function to do final elimination if FINAL_P or to update - elimination register offsets (FIRST_P if we are doing it the first - time). */ -void -lra_eliminate (bool final_p, bool first_p) -{ - unsigned int uid; - bitmap_head insns_with_changed_offsets; - bitmap_iterator bi; - class lra_elim_table *ep; - - gcc_assert (! final_p || ! first_p); - - timevar_push (TV_LRA_ELIMINATE); - - if (first_p) - init_elimination (); - - bitmap_initialize (&insns_with_changed_offsets, ®_obstack); - if (final_p) - { - if (flag_checking) - { - update_reg_eliminate (&insns_with_changed_offsets); - gcc_assert (bitmap_empty_p (&insns_with_changed_offsets)); - } - /* We change eliminable hard registers in insns so we should do - this for all insns containing any eliminable hard - register. */ - for (ep = reg_eliminate; ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++) - if (elimination_map[ep->from] != NULL) - bitmap_ior_into (&insns_with_changed_offsets, - &lra_reg_info[ep->from].insn_bitmap); - } - else if (! update_reg_eliminate (&insns_with_changed_offsets)) - goto lra_eliminate_done; - if (lra_dump_file != NULL) - { - fprintf (lra_dump_file, "New elimination table:\n"); - print_elim_table (lra_dump_file); - } - EXECUTE_IF_SET_IN_BITMAP (&insns_with_changed_offsets, 0, uid, bi) - /* A dead insn can be deleted in process_insn_for_elimination. */ - if (lra_insn_recog_data[uid] != NULL) - process_insn_for_elimination (lra_insn_recog_data[uid]->insn, - final_p, first_p); - bitmap_clear (&insns_with_changed_offsets); - -lra_eliminate_done: - timevar_pop (TV_LRA_ELIMINATE); -} |