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authorMartin Liska <mliska@suse.cz>2022-01-14 16:56:44 +0100
committerMartin Liska <mliska@suse.cz>2022-01-17 22:12:04 +0100
commit5c69acb32329d49e58c26fa41ae74229a52b9106 (patch)
treeddb05f9d73afb6f998457d2ac4b720e3b3b60483 /gcc/tree-chrec.c
parent490e23032baaece71f2ec09fa1805064b150fbc2 (diff)
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Rename .c files to .cc files.
gcc/ada/ChangeLog: * adadecode.c: Moved to... * adadecode.cc: ...here. * affinity.c: Moved to... * affinity.cc: ...here. * argv-lynxos178-raven-cert.c: Moved to... * argv-lynxos178-raven-cert.cc: ...here. * argv.c: Moved to... * argv.cc: ...here. * aux-io.c: Moved to... * aux-io.cc: ...here. * cio.c: Moved to... * cio.cc: ...here. * cstreams.c: Moved to... * cstreams.cc: ...here. * env.c: Moved to... * env.cc: ...here. * exit.c: Moved to... * exit.cc: ...here. * expect.c: Moved to... * expect.cc: ...here. * final.c: Moved to... * final.cc: ...here. * gcc-interface/cuintp.c: Moved to... * gcc-interface/cuintp.cc: ...here. * gcc-interface/decl.c: Moved to... * gcc-interface/decl.cc: ...here. * gcc-interface/misc.c: Moved to... * gcc-interface/misc.cc: ...here. * gcc-interface/targtyps.c: Moved to... * gcc-interface/targtyps.cc: ...here. * gcc-interface/trans.c: Moved to... * gcc-interface/trans.cc: ...here. * gcc-interface/utils.c: Moved to... * gcc-interface/utils.cc: ...here. * gcc-interface/utils2.c: Moved to... * gcc-interface/utils2.cc: ...here. * init.c: Moved to... * init.cc: ...here. * initialize.c: Moved to... * initialize.cc: ...here. * libgnarl/thread.c: Moved to... * libgnarl/thread.cc: ...here. * link.c: Moved to... * link.cc: ...here. * locales.c: Moved to... * locales.cc: ...here. * mkdir.c: Moved to... * mkdir.cc: ...here. * raise.c: Moved to... * raise.cc: ...here. * rtfinal.c: Moved to... * rtfinal.cc: ...here. * rtinit.c: Moved to... * rtinit.cc: ...here. * seh_init.c: Moved to... * seh_init.cc: ...here. * sigtramp-armdroid.c: Moved to... * sigtramp-armdroid.cc: ...here. * sigtramp-ios.c: Moved to... * sigtramp-ios.cc: ...here. * sigtramp-qnx.c: Moved to... * sigtramp-qnx.cc: ...here. * sigtramp-vxworks.c: Moved to... * sigtramp-vxworks.cc: ...here. * socket.c: Moved to... * socket.cc: ...here. * tracebak.c: Moved to... * tracebak.cc: ...here. * version.c: Moved to... * version.cc: ...here. * vx_stack_info.c: Moved to... * vx_stack_info.cc: ...here. gcc/ChangeLog: * adjust-alignment.c: Moved to... * adjust-alignment.cc: ...here. * alias.c: Moved to... * alias.cc: ...here. * alloc-pool.c: Moved to... * alloc-pool.cc: ...here. * asan.c: Moved to... * asan.cc: ...here. * attribs.c: Moved to... * attribs.cc: ...here. * auto-inc-dec.c: Moved to... * auto-inc-dec.cc: ...here. * auto-profile.c: Moved to... * auto-profile.cc: ...here. * bb-reorder.c: Moved to... * bb-reorder.cc: ...here. * bitmap.c: Moved to... * bitmap.cc: ...here. * btfout.c: Moved to... * btfout.cc: ...here. * builtins.c: Moved to... * builtins.cc: ...here. * caller-save.c: Moved to... * caller-save.cc: ...here. * calls.c: Moved to... * calls.cc: ...here. * ccmp.c: Moved to... * ccmp.cc: ...here. * cfg.c: Moved to... * cfg.cc: ...here. * cfganal.c: Moved to... * cfganal.cc: ...here. * cfgbuild.c: Moved to... * cfgbuild.cc: ...here. * cfgcleanup.c: Moved to... * cfgcleanup.cc: ...here. * cfgexpand.c: Moved to... * cfgexpand.cc: ...here. * cfghooks.c: Moved to... * cfghooks.cc: ...here. * cfgloop.c: Moved to... * cfgloop.cc: ...here. * cfgloopanal.c: Moved to... * cfgloopanal.cc: ...here. * cfgloopmanip.c: Moved to... * cfgloopmanip.cc: ...here. * cfgrtl.c: Moved to... * cfgrtl.cc: ...here. * cgraph.c: Moved to... * cgraph.cc: ...here. * cgraphbuild.c: Moved to... * cgraphbuild.cc: ...here. * cgraphclones.c: Moved to... * cgraphclones.cc: ...here. * cgraphunit.c: Moved to... * cgraphunit.cc: ...here. * collect-utils.c: Moved to... * collect-utils.cc: ...here. * collect2-aix.c: Moved to... * collect2-aix.cc: ...here. * collect2.c: Moved to... * collect2.cc: ...here. * combine-stack-adj.c: Moved to... * combine-stack-adj.cc: ...here. * combine.c: Moved to... * combine.cc: ...here. * common/common-targhooks.c: Moved to... * common/common-targhooks.cc: ...here. * common/config/aarch64/aarch64-common.c: Moved to... * common/config/aarch64/aarch64-common.cc: ...here. * common/config/alpha/alpha-common.c: Moved to... * common/config/alpha/alpha-common.cc: ...here. * common/config/arc/arc-common.c: Moved to... * common/config/arc/arc-common.cc: ...here. * common/config/arm/arm-common.c: Moved to... * common/config/arm/arm-common.cc: ...here. * common/config/avr/avr-common.c: Moved to... * common/config/avr/avr-common.cc: ...here. * common/config/bfin/bfin-common.c: Moved to... * common/config/bfin/bfin-common.cc: ...here. * common/config/bpf/bpf-common.c: Moved to... * common/config/bpf/bpf-common.cc: ...here. * common/config/c6x/c6x-common.c: Moved to... * common/config/c6x/c6x-common.cc: ...here. * common/config/cr16/cr16-common.c: Moved to... * common/config/cr16/cr16-common.cc: ...here. * common/config/cris/cris-common.c: Moved to... * common/config/cris/cris-common.cc: ...here. * common/config/csky/csky-common.c: Moved to... * common/config/csky/csky-common.cc: ...here. * common/config/default-common.c: Moved to... * common/config/default-common.cc: ...here. * common/config/epiphany/epiphany-common.c: Moved to... * common/config/epiphany/epiphany-common.cc: ...here. * common/config/fr30/fr30-common.c: Moved to... * common/config/fr30/fr30-common.cc: ...here. * common/config/frv/frv-common.c: Moved to... * common/config/frv/frv-common.cc: ...here. * common/config/gcn/gcn-common.c: Moved to... * common/config/gcn/gcn-common.cc: ...here. * common/config/h8300/h8300-common.c: Moved to... * common/config/h8300/h8300-common.cc: ...here. * common/config/i386/i386-common.c: Moved to... * common/config/i386/i386-common.cc: ...here. * common/config/ia64/ia64-common.c: Moved to... * common/config/ia64/ia64-common.cc: ...here. * common/config/iq2000/iq2000-common.c: Moved to... * common/config/iq2000/iq2000-common.cc: ...here. * common/config/lm32/lm32-common.c: Moved to... * common/config/lm32/lm32-common.cc: ...here. * common/config/m32r/m32r-common.c: Moved to... * common/config/m32r/m32r-common.cc: ...here. * common/config/m68k/m68k-common.c: Moved to... * common/config/m68k/m68k-common.cc: ...here. * common/config/mcore/mcore-common.c: Moved to... * common/config/mcore/mcore-common.cc: ...here. * common/config/microblaze/microblaze-common.c: Moved to... * common/config/microblaze/microblaze-common.cc: ...here. * common/config/mips/mips-common.c: Moved to... * common/config/mips/mips-common.cc: ...here. * common/config/mmix/mmix-common.c: Moved to... * common/config/mmix/mmix-common.cc: ...here. * common/config/mn10300/mn10300-common.c: Moved to... * common/config/mn10300/mn10300-common.cc: ...here. * common/config/msp430/msp430-common.c: Moved to... * common/config/msp430/msp430-common.cc: ...here. * common/config/nds32/nds32-common.c: Moved to... * common/config/nds32/nds32-common.cc: ...here. * common/config/nios2/nios2-common.c: Moved to... * common/config/nios2/nios2-common.cc: ...here. * common/config/nvptx/nvptx-common.c: Moved to... * common/config/nvptx/nvptx-common.cc: ...here. * common/config/or1k/or1k-common.c: Moved to... * common/config/or1k/or1k-common.cc: ...here. * common/config/pa/pa-common.c: Moved to... * common/config/pa/pa-common.cc: ...here. * common/config/pdp11/pdp11-common.c: Moved to... * common/config/pdp11/pdp11-common.cc: ...here. * common/config/pru/pru-common.c: Moved to... * common/config/pru/pru-common.cc: ...here. * common/config/riscv/riscv-common.c: Moved to... * common/config/riscv/riscv-common.cc: ...here. * common/config/rs6000/rs6000-common.c: Moved to... * common/config/rs6000/rs6000-common.cc: ...here. * common/config/rx/rx-common.c: Moved to... * common/config/rx/rx-common.cc: ...here. * common/config/s390/s390-common.c: Moved to... * common/config/s390/s390-common.cc: ...here. * common/config/sh/sh-common.c: Moved to... * common/config/sh/sh-common.cc: ...here. * common/config/sparc/sparc-common.c: Moved to... * common/config/sparc/sparc-common.cc: ...here. * common/config/tilegx/tilegx-common.c: Moved to... * common/config/tilegx/tilegx-common.cc: ...here. * common/config/tilepro/tilepro-common.c: Moved to... * common/config/tilepro/tilepro-common.cc: ...here. * common/config/v850/v850-common.c: Moved to... * common/config/v850/v850-common.cc: ...here. * common/config/vax/vax-common.c: Moved to... * common/config/vax/vax-common.cc: ...here. * common/config/visium/visium-common.c: Moved to... * common/config/visium/visium-common.cc: ...here. * common/config/xstormy16/xstormy16-common.c: Moved to... * common/config/xstormy16/xstormy16-common.cc: ...here. * common/config/xtensa/xtensa-common.c: Moved to... * common/config/xtensa/xtensa-common.cc: ...here. * compare-elim.c: Moved to... * compare-elim.cc: ...here. * config/aarch64/aarch64-bti-insert.c: Moved to... * config/aarch64/aarch64-bti-insert.cc: ...here. * config/aarch64/aarch64-builtins.c: Moved to... * config/aarch64/aarch64-builtins.cc: ...here. * config/aarch64/aarch64-c.c: Moved to... * config/aarch64/aarch64-c.cc: ...here. * config/aarch64/aarch64-d.c: Moved to... * config/aarch64/aarch64-d.cc: ...here. * config/aarch64/aarch64.c: Moved to... * config/aarch64/aarch64.cc: ...here. * config/aarch64/cortex-a57-fma-steering.c: Moved to... * config/aarch64/cortex-a57-fma-steering.cc: ...here. * config/aarch64/driver-aarch64.c: Moved to... * config/aarch64/driver-aarch64.cc: ...here. * config/aarch64/falkor-tag-collision-avoidance.c: Moved to... * config/aarch64/falkor-tag-collision-avoidance.cc: ...here. * config/aarch64/host-aarch64-darwin.c: Moved to... * config/aarch64/host-aarch64-darwin.cc: ...here. * config/alpha/alpha.c: Moved to... * config/alpha/alpha.cc: ...here. * config/alpha/driver-alpha.c: Moved to... * config/alpha/driver-alpha.cc: ...here. * config/arc/arc-c.c: Moved to... * config/arc/arc-c.cc: ...here. * config/arc/arc.c: Moved to... * config/arc/arc.cc: ...here. * config/arc/driver-arc.c: Moved to... * config/arc/driver-arc.cc: ...here. * config/arm/aarch-common.c: Moved to... * config/arm/aarch-common.cc: ...here. * config/arm/arm-builtins.c: Moved to... * config/arm/arm-builtins.cc: ...here. * config/arm/arm-c.c: Moved to... * config/arm/arm-c.cc: ...here. * config/arm/arm-d.c: Moved to... * config/arm/arm-d.cc: ...here. * config/arm/arm.c: Moved to... * config/arm/arm.cc: ...here. * config/arm/driver-arm.c: Moved to... * config/arm/driver-arm.cc: ...here. * config/avr/avr-c.c: Moved to... * config/avr/avr-c.cc: ...here. * config/avr/avr-devices.c: Moved to... * config/avr/avr-devices.cc: ...here. * config/avr/avr-log.c: Moved to... * config/avr/avr-log.cc: ...here. * config/avr/avr.c: Moved to... * config/avr/avr.cc: ...here. * config/avr/driver-avr.c: Moved to... * config/avr/driver-avr.cc: ...here. * config/avr/gen-avr-mmcu-specs.c: Moved to... * config/avr/gen-avr-mmcu-specs.cc: ...here. * config/avr/gen-avr-mmcu-texi.c: Moved to... * config/avr/gen-avr-mmcu-texi.cc: ...here. * config/bfin/bfin.c: Moved to... * config/bfin/bfin.cc: ...here. * config/bpf/bpf.c: Moved to... * config/bpf/bpf.cc: ...here. * config/bpf/coreout.c: Moved to... * config/bpf/coreout.cc: ...here. * config/c6x/c6x.c: Moved to... * config/c6x/c6x.cc: ...here. * config/cr16/cr16.c: Moved to... * config/cr16/cr16.cc: ...here. * config/cris/cris.c: Moved to... * config/cris/cris.cc: ...here. * config/csky/csky.c: Moved to... * config/csky/csky.cc: ...here. * config/darwin-c.c: Moved to... * config/darwin-c.cc: ...here. * config/darwin-d.c: Moved to... * config/darwin-d.cc: ...here. * config/darwin-driver.c: Moved to... * config/darwin-driver.cc: ...here. * config/darwin-f.c: Moved to... * config/darwin-f.cc: ...here. * config/darwin.c: Moved to... * config/darwin.cc: ...here. * config/default-c.c: Moved to... * config/default-c.cc: ...here. * config/default-d.c: Moved to... * config/default-d.cc: ...here. * config/dragonfly-d.c: Moved to... * config/dragonfly-d.cc: ...here. * config/epiphany/epiphany.c: Moved to... * config/epiphany/epiphany.cc: ...here. * config/epiphany/mode-switch-use.c: Moved to... * config/epiphany/mode-switch-use.cc: ...here. * config/epiphany/resolve-sw-modes.c: Moved to... * config/epiphany/resolve-sw-modes.cc: ...here. * config/fr30/fr30.c: Moved to... * config/fr30/fr30.cc: ...here. * config/freebsd-d.c: Moved to... * config/freebsd-d.cc: ...here. * config/frv/frv.c: Moved to... * config/frv/frv.cc: ...here. * config/ft32/ft32.c: Moved to... * config/ft32/ft32.cc: ...here. * config/gcn/driver-gcn.c: Moved to... * config/gcn/driver-gcn.cc: ...here. * config/gcn/gcn-run.c: Moved to... * config/gcn/gcn-run.cc: ...here. * config/gcn/gcn-tree.c: Moved to... * config/gcn/gcn-tree.cc: ...here. * config/gcn/gcn.c: Moved to... * config/gcn/gcn.cc: ...here. * config/gcn/mkoffload.c: Moved to... * config/gcn/mkoffload.cc: ...here. * config/glibc-c.c: Moved to... * config/glibc-c.cc: ...here. * config/glibc-d.c: Moved to... * config/glibc-d.cc: ...here. * config/h8300/h8300.c: Moved to... * config/h8300/h8300.cc: ...here. * config/host-darwin.c: Moved to... * config/host-darwin.cc: ...here. * config/host-hpux.c: Moved to... * config/host-hpux.cc: ...here. * config/host-linux.c: Moved to... * config/host-linux.cc: ...here. * config/host-netbsd.c: Moved to... * config/host-netbsd.cc: ...here. * config/host-openbsd.c: Moved to... * config/host-openbsd.cc: ...here. * config/host-solaris.c: Moved to... * config/host-solaris.cc: ...here. * config/i386/djgpp.c: Moved to... * config/i386/djgpp.cc: ...here. * config/i386/driver-i386.c: Moved to... * config/i386/driver-i386.cc: ...here. * config/i386/driver-mingw32.c: Moved to... * config/i386/driver-mingw32.cc: ...here. * config/i386/gnu-property.c: Moved to... * config/i386/gnu-property.cc: ...here. * config/i386/host-cygwin.c: Moved to... * config/i386/host-cygwin.cc: ...here. * config/i386/host-i386-darwin.c: Moved to... * config/i386/host-i386-darwin.cc: ...here. * config/i386/host-mingw32.c: Moved to... * config/i386/host-mingw32.cc: ...here. * config/i386/i386-builtins.c: Moved to... * config/i386/i386-builtins.cc: ...here. * config/i386/i386-c.c: Moved to... * config/i386/i386-c.cc: ...here. * config/i386/i386-d.c: Moved to... * config/i386/i386-d.cc: ...here. * config/i386/i386-expand.c: Moved to... * config/i386/i386-expand.cc: ...here. * config/i386/i386-features.c: Moved to... * config/i386/i386-features.cc: ...here. * config/i386/i386-options.c: Moved to... * config/i386/i386-options.cc: ...here. * config/i386/i386.c: Moved to... * config/i386/i386.cc: ...here. * config/i386/intelmic-mkoffload.c: Moved to... * config/i386/intelmic-mkoffload.cc: ...here. * config/i386/msformat-c.c: Moved to... * config/i386/msformat-c.cc: ...here. * config/i386/winnt-cxx.c: Moved to... * config/i386/winnt-cxx.cc: ...here. * config/i386/winnt-d.c: Moved to... * config/i386/winnt-d.cc: ...here. * config/i386/winnt-stubs.c: Moved to... * config/i386/winnt-stubs.cc: ...here. * config/i386/winnt.c: Moved to... * config/i386/winnt.cc: ...here. * config/i386/x86-tune-sched-atom.c: 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config/mcore/mcore.cc: ...here. * config/microblaze/microblaze-c.c: Moved to... * config/microblaze/microblaze-c.cc: ...here. * config/microblaze/microblaze.c: Moved to... * config/microblaze/microblaze.cc: ...here. * config/mips/driver-native.c: Moved to... * config/mips/driver-native.cc: ...here. * config/mips/frame-header-opt.c: Moved to... * config/mips/frame-header-opt.cc: ...here. * config/mips/mips-d.c: Moved to... * config/mips/mips-d.cc: ...here. * config/mips/mips.c: Moved to... * config/mips/mips.cc: ...here. * config/mmix/mmix.c: Moved to... * config/mmix/mmix.cc: ...here. * config/mn10300/mn10300.c: Moved to... * config/mn10300/mn10300.cc: ...here. * config/moxie/moxie.c: Moved to... * config/moxie/moxie.cc: ...here. * config/msp430/driver-msp430.c: Moved to... * config/msp430/driver-msp430.cc: ...here. * config/msp430/msp430-c.c: Moved to... * config/msp430/msp430-c.cc: ...here. * config/msp430/msp430-devices.c: Moved to... * config/msp430/msp430-devices.cc: ...here. * config/msp430/msp430.c: Moved to... * config/msp430/msp430.cc: ...here. * config/nds32/nds32-cost.c: Moved to... * config/nds32/nds32-cost.cc: ...here. * config/nds32/nds32-fp-as-gp.c: Moved to... * config/nds32/nds32-fp-as-gp.cc: ...here. * config/nds32/nds32-intrinsic.c: Moved to... * config/nds32/nds32-intrinsic.cc: ...here. * config/nds32/nds32-isr.c: Moved to... * config/nds32/nds32-isr.cc: ...here. * config/nds32/nds32-md-auxiliary.c: Moved to... * config/nds32/nds32-md-auxiliary.cc: ...here. * config/nds32/nds32-memory-manipulation.c: Moved to... * config/nds32/nds32-memory-manipulation.cc: ...here. * config/nds32/nds32-pipelines-auxiliary.c: Moved to... * config/nds32/nds32-pipelines-auxiliary.cc: ...here. * config/nds32/nds32-predicates.c: Moved to... * config/nds32/nds32-predicates.cc: ...here. * config/nds32/nds32-relax-opt.c: Moved to... * config/nds32/nds32-relax-opt.cc: ...here. * config/nds32/nds32-utils.c: Moved to... * config/nds32/nds32-utils.cc: ...here. * config/nds32/nds32.c: Moved to... * config/nds32/nds32.cc: ...here. * config/netbsd-d.c: Moved to... * config/netbsd-d.cc: ...here. * config/netbsd.c: Moved to... * config/netbsd.cc: ...here. * config/nios2/nios2.c: Moved to... * config/nios2/nios2.cc: ...here. * config/nvptx/mkoffload.c: Moved to... * config/nvptx/mkoffload.cc: ...here. * config/nvptx/nvptx-c.c: Moved to... * config/nvptx/nvptx-c.cc: ...here. * config/nvptx/nvptx.c: Moved to... * config/nvptx/nvptx.cc: ...here. * config/openbsd-d.c: Moved to... * config/openbsd-d.cc: ...here. * config/or1k/or1k.c: Moved to... * config/or1k/or1k.cc: ...here. * config/pa/pa-d.c: Moved to... * config/pa/pa-d.cc: ...here. * config/pa/pa.c: Moved to... * config/pa/pa.cc: ...here. * config/pdp11/pdp11.c: Moved to... * config/pdp11/pdp11.cc: ...here. * config/pru/pru-passes.c: Moved to... * config/pru/pru-passes.cc: ...here. * config/pru/pru-pragma.c: Moved to... * config/pru/pru-pragma.cc: ...here. * config/pru/pru.c: Moved to... * config/pru/pru.cc: ...here. * config/riscv/riscv-builtins.c: Moved to... * config/riscv/riscv-builtins.cc: ...here. * config/riscv/riscv-c.c: Moved to... * config/riscv/riscv-c.cc: ...here. * config/riscv/riscv-d.c: Moved to... * config/riscv/riscv-d.cc: ...here. * config/riscv/riscv-shorten-memrefs.c: Moved to... * config/riscv/riscv-shorten-memrefs.cc: ...here. * config/riscv/riscv-sr.c: Moved to... * config/riscv/riscv-sr.cc: ...here. * config/riscv/riscv.c: Moved to... * config/riscv/riscv.cc: ...here. * config/rl78/rl78-c.c: Moved to... * config/rl78/rl78-c.cc: ...here. * config/rl78/rl78.c: Moved to... * config/rl78/rl78.cc: ...here. * config/rs6000/driver-rs6000.c: Moved to... * config/rs6000/driver-rs6000.cc: ...here. * config/rs6000/host-darwin.c: Moved to... * config/rs6000/host-darwin.cc: ...here. * config/rs6000/host-ppc64-darwin.c: Moved to... * config/rs6000/host-ppc64-darwin.cc: ...here. * config/rs6000/rbtree.c: Moved to... * config/rs6000/rbtree.cc: ...here. * config/rs6000/rs6000-c.c: Moved to... * config/rs6000/rs6000-c.cc: ...here. * config/rs6000/rs6000-call.c: Moved to... * config/rs6000/rs6000-call.cc: ...here. * config/rs6000/rs6000-d.c: Moved to... * config/rs6000/rs6000-d.cc: ...here. * config/rs6000/rs6000-gen-builtins.c: Moved to... * config/rs6000/rs6000-gen-builtins.cc: ...here. * config/rs6000/rs6000-linux.c: Moved to... * config/rs6000/rs6000-linux.cc: ...here. * config/rs6000/rs6000-logue.c: Moved to... * config/rs6000/rs6000-logue.cc: ...here. * config/rs6000/rs6000-p8swap.c: Moved to... * config/rs6000/rs6000-p8swap.cc: ...here. * config/rs6000/rs6000-pcrel-opt.c: Moved to... * config/rs6000/rs6000-pcrel-opt.cc: ...here. * config/rs6000/rs6000-string.c: Moved to... * config/rs6000/rs6000-string.cc: ...here. * config/rs6000/rs6000.c: Moved to... * config/rs6000/rs6000.cc: ...here. * config/rx/rx.c: Moved to... * config/rx/rx.cc: ...here. * config/s390/driver-native.c: Moved to... * config/s390/driver-native.cc: ...here. * config/s390/s390-c.c: Moved to... * config/s390/s390-c.cc: ...here. * config/s390/s390-d.c: Moved to... * config/s390/s390-d.cc: ...here. * config/s390/s390.c: Moved to... * config/s390/s390.cc: ...here. * config/sh/divtab-sh4-300.c: Moved to... * config/sh/divtab-sh4-300.cc: ...here. * config/sh/divtab-sh4.c: Moved to... * config/sh/divtab-sh4.cc: ...here. * config/sh/divtab.c: Moved to... * config/sh/divtab.cc: ...here. * config/sh/sh-c.c: Moved to... * config/sh/sh-c.cc: ...here. * config/sh/sh.c: Moved to... * config/sh/sh.cc: ...here. * config/sol2-c.c: Moved to... * config/sol2-c.cc: ...here. * config/sol2-cxx.c: Moved to... * config/sol2-cxx.cc: ...here. * config/sol2-d.c: Moved to... * config/sol2-d.cc: ...here. * config/sol2-stubs.c: Moved to... * config/sol2-stubs.cc: ...here. * config/sol2.c: Moved to... * config/sol2.cc: ...here. * config/sparc/driver-sparc.c: Moved to... * config/sparc/driver-sparc.cc: ...here. * config/sparc/sparc-c.c: Moved to... * config/sparc/sparc-c.cc: ...here. * config/sparc/sparc-d.c: Moved to... * config/sparc/sparc-d.cc: ...here. * config/sparc/sparc.c: Moved to... * config/sparc/sparc.cc: ...here. * config/stormy16/stormy16.c: Moved to... * config/stormy16/stormy16.cc: ...here. * config/tilegx/mul-tables.c: Moved to... * config/tilegx/mul-tables.cc: ...here. * config/tilegx/tilegx-c.c: Moved to... * config/tilegx/tilegx-c.cc: ...here. * config/tilegx/tilegx.c: Moved to... * config/tilegx/tilegx.cc: ...here. * config/tilepro/mul-tables.c: Moved to... * config/tilepro/mul-tables.cc: ...here. * config/tilepro/tilepro-c.c: Moved to... * config/tilepro/tilepro-c.cc: ...here. * config/tilepro/tilepro.c: Moved to... * config/tilepro/tilepro.cc: ...here. * config/v850/v850-c.c: Moved to... * config/v850/v850-c.cc: ...here. * config/v850/v850.c: Moved to... * config/v850/v850.cc: ...here. * config/vax/vax.c: Moved to... * config/vax/vax.cc: ...here. * config/visium/visium.c: Moved to... * config/visium/visium.cc: ...here. * config/vms/vms-c.c: Moved to... * config/vms/vms-c.cc: ...here. * config/vms/vms-f.c: Moved to... * config/vms/vms-f.cc: ...here. * config/vms/vms.c: Moved to... * config/vms/vms.cc: ...here. * config/vxworks-c.c: Moved to... * config/vxworks-c.cc: ...here. * config/vxworks.c: Moved to... * config/vxworks.cc: ...here. * config/winnt-c.c: Moved to... * config/winnt-c.cc: ...here. * config/xtensa/xtensa.c: Moved to... * config/xtensa/xtensa.cc: ...here. * context.c: Moved to... * context.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * coverage.c: Moved to... * coverage.cc: ...here. * cppbuiltin.c: Moved to... * cppbuiltin.cc: ...here. * cppdefault.c: Moved to... * cppdefault.cc: ...here. * cprop.c: Moved to... * cprop.cc: ...here. * cse.c: Moved to... * cse.cc: ...here. * cselib.c: Moved to... * cselib.cc: ...here. * ctfc.c: Moved to... * ctfc.cc: ...here. * ctfout.c: Moved to... * ctfout.cc: ...here. * data-streamer-in.c: Moved to... * data-streamer-in.cc: ...here. * data-streamer-out.c: Moved to... * data-streamer-out.cc: ...here. * data-streamer.c: Moved to... * data-streamer.cc: ...here. * dbgcnt.c: Moved to... * dbgcnt.cc: ...here. * dbxout.c: Moved to... * dbxout.cc: ...here. * dce.c: Moved to... * dce.cc: ...here. * ddg.c: Moved to... * ddg.cc: ...here. * debug.c: Moved to... * debug.cc: ...here. * df-core.c: Moved to... * df-core.cc: ...here. * df-problems.c: Moved to... * df-problems.cc: ...here. * df-scan.c: Moved to... * df-scan.cc: ...here. * dfp.c: Moved to... * dfp.cc: ...here. * diagnostic-color.c: Moved to... * diagnostic-color.cc: ...here. * diagnostic-show-locus.c: Moved to... * diagnostic-show-locus.cc: ...here. * diagnostic-spec.c: Moved to... * diagnostic-spec.cc: ...here. * diagnostic.c: Moved to... * diagnostic.cc: ...here. * dojump.c: Moved to... * dojump.cc: ...here. * dominance.c: Moved to... * dominance.cc: ...here. * domwalk.c: Moved to... * domwalk.cc: ...here. * double-int.c: Moved to... * double-int.cc: ...here. * dse.c: Moved to... * dse.cc: ...here. * dumpfile.c: Moved to... * dumpfile.cc: ...here. * dwarf2asm.c: Moved to... * dwarf2asm.cc: ...here. * dwarf2cfi.c: Moved to... * dwarf2cfi.cc: ...here. * dwarf2ctf.c: Moved to... * dwarf2ctf.cc: ...here. * dwarf2out.c: Moved to... * dwarf2out.cc: ...here. * early-remat.c: Moved to... * early-remat.cc: ...here. * edit-context.c: Moved to... * edit-context.cc: ...here. * emit-rtl.c: Moved to... * emit-rtl.cc: ...here. * errors.c: Moved to... * errors.cc: ...here. * et-forest.c: Moved to... * et-forest.cc: ...here. * except.c: Moved to... * except.cc: ...here. * explow.c: Moved to... * explow.cc: ...here. * expmed.c: Moved to... * expmed.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * fibonacci_heap.c: Moved to... * fibonacci_heap.cc: ...here. * file-find.c: Moved to... * file-find.cc: ...here. * file-prefix-map.c: Moved to... * file-prefix-map.cc: ...here. * final.c: Moved to... * final.cc: ...here. * fixed-value.c: Moved to... * fixed-value.cc: ...here. * fold-const-call.c: Moved to... * fold-const-call.cc: ...here. * fold-const.c: Moved to... * fold-const.cc: ...here. * fp-test.c: Moved to... * fp-test.cc: ...here. * function-tests.c: Moved to... * function-tests.cc: ...here. * function.c: Moved to... * function.cc: ...here. * fwprop.c: Moved to... * fwprop.cc: ...here. * gcc-ar.c: Moved to... * gcc-ar.cc: ...here. * gcc-main.c: Moved to... * gcc-main.cc: ...here. * gcc-rich-location.c: Moved to... * gcc-rich-location.cc: ...here. * gcc.c: Moved to... * gcc.cc: ...here. * gcov-dump.c: Moved to... * gcov-dump.cc: ...here. * gcov-io.c: Moved to... * gcov-io.cc: ...here. * gcov-tool.c: Moved to... * gcov-tool.cc: ...here. * gcov.c: Moved to... * gcov.cc: ...here. * gcse-common.c: Moved to... * gcse-common.cc: ...here. * gcse.c: Moved to... * gcse.cc: ...here. * genattr-common.c: Moved to... * genattr-common.cc: ...here. * genattr.c: Moved to... * genattr.cc: ...here. * genattrtab.c: Moved to... * genattrtab.cc: ...here. * genautomata.c: Moved to... * genautomata.cc: ...here. * gencfn-macros.c: Moved to... * gencfn-macros.cc: ...here. * gencheck.c: Moved to... * gencheck.cc: ...here. * genchecksum.c: Moved to... * genchecksum.cc: ...here. * gencodes.c: Moved to... * gencodes.cc: ...here. * genconditions.c: Moved to... * genconditions.cc: ...here. * genconfig.c: Moved to... * genconfig.cc: ...here. * genconstants.c: Moved to... * genconstants.cc: ...here. * genemit.c: Moved to... * genemit.cc: ...here. * genenums.c: Moved to... * genenums.cc: ...here. * generic-match-head.c: Moved to... * generic-match-head.cc: ...here. * genextract.c: Moved to... * genextract.cc: ...here. * genflags.c: Moved to... * genflags.cc: ...here. * gengenrtl.c: Moved to... * gengenrtl.cc: ...here. * gengtype-parse.c: Moved to... * gengtype-parse.cc: ...here. * gengtype-state.c: Moved to... * gengtype-state.cc: ...here. * gengtype.c: Moved to... * gengtype.cc: ...here. * genhooks.c: Moved to... * genhooks.cc: ...here. * genmatch.c: Moved to... * genmatch.cc: ...here. * genmddeps.c: Moved to... * genmddeps.cc: ...here. * genmddump.c: Moved to... * genmddump.cc: ...here. * genmodes.c: Moved to... * genmodes.cc: ...here. * genopinit.c: Moved to... * genopinit.cc: ...here. * genoutput.c: Moved to... * genoutput.cc: ...here. * genpeep.c: Moved to... * genpeep.cc: ...here. * genpreds.c: Moved to... * genpreds.cc: ...here. * genrecog.c: Moved to... * genrecog.cc: ...here. * gensupport.c: Moved to... * gensupport.cc: ...here. * gentarget-def.c: Moved to... * gentarget-def.cc: ...here. * genversion.c: Moved to... * genversion.cc: ...here. * ggc-common.c: Moved to... * ggc-common.cc: ...here. * ggc-none.c: Moved to... * ggc-none.cc: ...here. * ggc-page.c: Moved to... * ggc-page.cc: ...here. * ggc-tests.c: Moved to... * ggc-tests.cc: ...here. * gimple-builder.c: Moved to... * gimple-builder.cc: ...here. * gimple-expr.c: Moved to... * gimple-expr.cc: ...here. * gimple-fold.c: Moved to... * gimple-fold.cc: ...here. * gimple-iterator.c: Moved to... * gimple-iterator.cc: ...here. * gimple-laddress.c: Moved to... * gimple-laddress.cc: ...here. * gimple-loop-jam.c: Moved to... * gimple-loop-jam.cc: ...here. * gimple-low.c: Moved to... * gimple-low.cc: ...here. * gimple-match-head.c: Moved to... * gimple-match-head.cc: ...here. * gimple-pretty-print.c: Moved to... * gimple-pretty-print.cc: ...here. * gimple-ssa-backprop.c: Moved to... * gimple-ssa-backprop.cc: ...here. * gimple-ssa-evrp-analyze.c: Moved to... * gimple-ssa-evrp-analyze.cc: ...here. * gimple-ssa-evrp.c: Moved to... * gimple-ssa-evrp.cc: ...here. * gimple-ssa-isolate-paths.c: Moved to... * gimple-ssa-isolate-paths.cc: ...here. * gimple-ssa-nonnull-compare.c: Moved to... * gimple-ssa-nonnull-compare.cc: ...here. * gimple-ssa-split-paths.c: Moved to... * gimple-ssa-split-paths.cc: ...here. * gimple-ssa-sprintf.c: Moved to... * gimple-ssa-sprintf.cc: ...here. * gimple-ssa-store-merging.c: Moved to... * gimple-ssa-store-merging.cc: ...here. * gimple-ssa-strength-reduction.c: Moved to... * gimple-ssa-strength-reduction.cc: ...here. * gimple-ssa-warn-alloca.c: Moved to... * gimple-ssa-warn-alloca.cc: ...here. * gimple-ssa-warn-restrict.c: Moved to... * gimple-ssa-warn-restrict.cc: ...here. * gimple-streamer-in.c: Moved to... * gimple-streamer-in.cc: ...here. * gimple-streamer-out.c: Moved to... * gimple-streamer-out.cc: ...here. * gimple-walk.c: Moved to... * gimple-walk.cc: ...here. * gimple-warn-recursion.c: Moved to... * gimple-warn-recursion.cc: ...here. * gimple.c: Moved to... * gimple.cc: ...here. * gimplify-me.c: Moved to... * gimplify-me.cc: ...here. * gimplify.c: Moved to... * gimplify.cc: ...here. * godump.c: Moved to... * godump.cc: ...here. * graph.c: Moved to... * graph.cc: ...here. * graphds.c: Moved to... * graphds.cc: ...here. * graphite-dependences.c: Moved to... * graphite-dependences.cc: ...here. * graphite-isl-ast-to-gimple.c: Moved to... * graphite-isl-ast-to-gimple.cc: ...here. * graphite-optimize-isl.c: Moved to... * graphite-optimize-isl.cc: ...here. * graphite-poly.c: Moved to... * graphite-poly.cc: ...here. * graphite-scop-detection.c: Moved to... * graphite-scop-detection.cc: ...here. * graphite-sese-to-poly.c: Moved to... * graphite-sese-to-poly.cc: ...here. * graphite.c: Moved to... * graphite.cc: ...here. * haifa-sched.c: Moved to... * haifa-sched.cc: ...here. * hash-map-tests.c: Moved to... * hash-map-tests.cc: ...here. * hash-set-tests.c: Moved to... * hash-set-tests.cc: ...here. * hash-table.c: Moved to... * hash-table.cc: ...here. * hooks.c: Moved to... * hooks.cc: ...here. * host-default.c: Moved to... * host-default.cc: ...here. * hw-doloop.c: Moved to... * hw-doloop.cc: ...here. * hwint.c: Moved to... * hwint.cc: ...here. * ifcvt.c: Moved to... * ifcvt.cc: ...here. * inchash.c: Moved to... * inchash.cc: ...here. * incpath.c: Moved to... * incpath.cc: ...here. * init-regs.c: Moved to... * init-regs.cc: ...here. * input.c: Moved to... * input.cc: ...here. * internal-fn.c: Moved to... * internal-fn.cc: ...here. * intl.c: Moved to... * intl.cc: ...here. * ipa-comdats.c: Moved to... * ipa-comdats.cc: ...here. * ipa-cp.c: Moved to... * ipa-cp.cc: ...here. * ipa-devirt.c: Moved to... * ipa-devirt.cc: ...here. * ipa-fnsummary.c: Moved to... * ipa-fnsummary.cc: ...here. * ipa-icf-gimple.c: Moved to... * ipa-icf-gimple.cc: ...here. * ipa-icf.c: Moved to... * ipa-icf.cc: ...here. * ipa-inline-analysis.c: Moved to... * ipa-inline-analysis.cc: ...here. * ipa-inline-transform.c: Moved to... * ipa-inline-transform.cc: ...here. * ipa-inline.c: Moved to... * ipa-inline.cc: ...here. * ipa-modref-tree.c: Moved to... * ipa-modref-tree.cc: ...here. * ipa-modref.c: Moved to... * ipa-modref.cc: ...here. * ipa-param-manipulation.c: Moved to... * ipa-param-manipulation.cc: ...here. * ipa-polymorphic-call.c: Moved to... * ipa-polymorphic-call.cc: ...here. * ipa-predicate.c: Moved to... * ipa-predicate.cc: ...here. * ipa-profile.c: Moved to... * ipa-profile.cc: ...here. * ipa-prop.c: Moved to... * ipa-prop.cc: ...here. * ipa-pure-const.c: Moved to... * ipa-pure-const.cc: ...here. * ipa-ref.c: Moved to... * ipa-ref.cc: ...here. * ipa-reference.c: Moved to... * ipa-reference.cc: ...here. * ipa-split.c: Moved to... * ipa-split.cc: ...here. * ipa-sra.c: Moved to... * ipa-sra.cc: ...here. * ipa-utils.c: Moved to... * ipa-utils.cc: ...here. * ipa-visibility.c: Moved to... * ipa-visibility.cc: ...here. * ipa.c: Moved to... * ipa.cc: ...here. * ira-build.c: Moved to... * ira-build.cc: ...here. * ira-color.c: Moved to... * ira-color.cc: ...here. * ira-conflicts.c: Moved to... * ira-conflicts.cc: ...here. * ira-costs.c: Moved to... * ira-costs.cc: ...here. * ira-emit.c: Moved to... * ira-emit.cc: ...here. * ira-lives.c: Moved to... * ira-lives.cc: ...here. * ira.c: Moved to... * ira.cc: ...here. * jump.c: Moved to... * jump.cc: ...here. * langhooks.c: Moved to... * langhooks.cc: ...here. * lcm.c: Moved to... * lcm.cc: ...here. * lists.c: Moved to... * lists.cc: ...here. * loop-doloop.c: Moved to... * loop-doloop.cc: ...here. * loop-init.c: Moved to... * loop-init.cc: ...here. * loop-invariant.c: Moved to... * loop-invariant.cc: ...here. * loop-iv.c: Moved to... * loop-iv.cc: ...here. * loop-unroll.c: Moved to... * loop-unroll.cc: ...here. * lower-subreg.c: Moved to... * lower-subreg.cc: ...here. * lra-assigns.c: Moved to... * lra-assigns.cc: ...here. * lra-coalesce.c: Moved to... * lra-coalesce.cc: ...here. * lra-constraints.c: Moved to... * lra-constraints.cc: ...here. * lra-eliminations.c: Moved to... * lra-eliminations.cc: ...here. * lra-lives.c: Moved to... * lra-lives.cc: ...here. * lra-remat.c: Moved to... * lra-remat.cc: ...here. * lra-spills.c: Moved to... * lra-spills.cc: ...here. * lra.c: Moved to... * lra.cc: ...here. * lto-cgraph.c: Moved to... * lto-cgraph.cc: ...here. * lto-compress.c: Moved to... * lto-compress.cc: ...here. * lto-opts.c: Moved to... * lto-opts.cc: ...here. * lto-section-in.c: Moved to... * lto-section-in.cc: ...here. * lto-section-out.c: Moved to... * lto-section-out.cc: ...here. * lto-streamer-in.c: Moved to... * lto-streamer-in.cc: ...here. * lto-streamer-out.c: Moved to... * lto-streamer-out.cc: ...here. * lto-streamer.c: Moved to... * lto-streamer.cc: ...here. * lto-wrapper.c: Moved to... * lto-wrapper.cc: ...here. * main.c: Moved to... * main.cc: ...here. * mcf.c: Moved to... * mcf.cc: ...here. * mode-switching.c: Moved to... * mode-switching.cc: ...here. * modulo-sched.c: Moved to... * modulo-sched.cc: ...here. * multiple_target.c: Moved to... * multiple_target.cc: ...here. * omp-expand.c: Moved to... * omp-expand.cc: ...here. * omp-general.c: Moved to... * omp-general.cc: ...here. * omp-low.c: Moved to... * omp-low.cc: ...here. * omp-offload.c: Moved to... * omp-offload.cc: ...here. * omp-simd-clone.c: Moved to... * omp-simd-clone.cc: ...here. * opt-suggestions.c: Moved to... * opt-suggestions.cc: ...here. * optabs-libfuncs.c: Moved to... * optabs-libfuncs.cc: ...here. * optabs-query.c: Moved to... * optabs-query.cc: ...here. * optabs-tree.c: Moved to... * optabs-tree.cc: ...here. * optabs.c: Moved to... * optabs.cc: ...here. * opts-common.c: Moved to... * opts-common.cc: ...here. * opts-global.c: Moved to... * opts-global.cc: ...here. * opts.c: Moved to... * opts.cc: ...here. * passes.c: Moved to... * passes.cc: ...here. * plugin.c: Moved to... * plugin.cc: ...here. * postreload-gcse.c: Moved to... * postreload-gcse.cc: ...here. * postreload.c: Moved to... * postreload.cc: ...here. * predict.c: Moved to... * predict.cc: ...here. * prefix.c: Moved to... * prefix.cc: ...here. * pretty-print.c: Moved to... * pretty-print.cc: ...here. * print-rtl-function.c: Moved to... * print-rtl-function.cc: ...here. * print-rtl.c: Moved to... * print-rtl.cc: ...here. * print-tree.c: Moved to... * print-tree.cc: ...here. * profile-count.c: Moved to... * profile-count.cc: ...here. * profile.c: Moved to... * profile.cc: ...here. * read-md.c: Moved to... * read-md.cc: ...here. * read-rtl-function.c: Moved to... * read-rtl-function.cc: ...here. * read-rtl.c: Moved to... * read-rtl.cc: ...here. * real.c: Moved to... * real.cc: ...here. * realmpfr.c: Moved to... * realmpfr.cc: ...here. * recog.c: Moved to... * recog.cc: ...here. * ree.c: Moved to... * ree.cc: ...here. * reg-stack.c: Moved to... * reg-stack.cc: ...here. * regcprop.c: Moved to... * regcprop.cc: ...here. * reginfo.c: Moved to... * reginfo.cc: ...here. * regrename.c: Moved to... * regrename.cc: ...here. * regstat.c: Moved to... * regstat.cc: ...here. * reload.c: Moved to... * reload.cc: ...here. * reload1.c: Moved to... * reload1.cc: ...here. * reorg.c: Moved to... * reorg.cc: ...here. * resource.c: Moved to... * resource.cc: ...here. * rtl-error.c: Moved to... * rtl-error.cc: ...here. * rtl-tests.c: Moved to... * rtl-tests.cc: ...here. * rtl.c: Moved to... * rtl.cc: ...here. * rtlanal.c: Moved to... * rtlanal.cc: ...here. * rtlhash.c: Moved to... * rtlhash.cc: ...here. * rtlhooks.c: Moved to... * rtlhooks.cc: ...here. * rtx-vector-builder.c: Moved to... * rtx-vector-builder.cc: ...here. * run-rtl-passes.c: Moved to... * run-rtl-passes.cc: ...here. * sancov.c: Moved to... * sancov.cc: ...here. * sanopt.c: Moved to... * sanopt.cc: ...here. * sbitmap.c: Moved to... * sbitmap.cc: ...here. * sched-deps.c: Moved to... * sched-deps.cc: ...here. * sched-ebb.c: Moved to... * sched-ebb.cc: ...here. * sched-rgn.c: Moved to... * sched-rgn.cc: ...here. * sel-sched-dump.c: Moved to... * sel-sched-dump.cc: ...here. * sel-sched-ir.c: Moved to... * sel-sched-ir.cc: ...here. * sel-sched.c: Moved to... * sel-sched.cc: ...here. * selftest-diagnostic.c: Moved to... * selftest-diagnostic.cc: ...here. * selftest-rtl.c: Moved to... * selftest-rtl.cc: ...here. * selftest-run-tests.c: Moved to... * selftest-run-tests.cc: ...here. * selftest.c: Moved to... * selftest.cc: ...here. * sese.c: Moved to... * sese.cc: ...here. * shrink-wrap.c: Moved to... * shrink-wrap.cc: ...here. * simplify-rtx.c: Moved to... * simplify-rtx.cc: ...here. * sparseset.c: Moved to... * sparseset.cc: ...here. * spellcheck-tree.c: Moved to... * spellcheck-tree.cc: ...here. * spellcheck.c: Moved to... * spellcheck.cc: ...here. * sreal.c: Moved to... * sreal.cc: ...here. * stack-ptr-mod.c: Moved to... * stack-ptr-mod.cc: ...here. * statistics.c: Moved to... * statistics.cc: ...here. * stmt.c: Moved to... * stmt.cc: ...here. * stor-layout.c: Moved to... * stor-layout.cc: ...here. * store-motion.c: Moved to... * store-motion.cc: ...here. * streamer-hooks.c: Moved to... * streamer-hooks.cc: ...here. * stringpool.c: Moved to... * stringpool.cc: ...here. * substring-locations.c: Moved to... * substring-locations.cc: ...here. * symtab.c: Moved to... * symtab.cc: ...here. * target-globals.c: Moved to... * target-globals.cc: ...here. * targhooks.c: Moved to... * targhooks.cc: ...here. * timevar.c: Moved to... * timevar.cc: ...here. * toplev.c: Moved to... * toplev.cc: ...here. * tracer.c: Moved to... * tracer.cc: ...here. * trans-mem.c: Moved to... * trans-mem.cc: ...here. * tree-affine.c: Moved to... * tree-affine.cc: ...here. * tree-call-cdce.c: Moved to... * tree-call-cdce.cc: ...here. * tree-cfg.c: Moved to... * tree-cfg.cc: ...here. * tree-cfgcleanup.c: Moved to... * tree-cfgcleanup.cc: ...here. * tree-chrec.c: Moved to... * tree-chrec.cc: ...here. * tree-complex.c: Moved to... * tree-complex.cc: ...here. * tree-data-ref.c: Moved to... * tree-data-ref.cc: ...here. * tree-dfa.c: Moved to... * tree-dfa.cc: ...here. * tree-diagnostic.c: Moved to... * tree-diagnostic.cc: ...here. * tree-dump.c: Moved to... * tree-dump.cc: ...here. * tree-eh.c: Moved to... * tree-eh.cc: ...here. * tree-emutls.c: Moved to... * tree-emutls.cc: ...here. * tree-if-conv.c: Moved to... * tree-if-conv.cc: ...here. * tree-inline.c: Moved to... * tree-inline.cc: ...here. * tree-into-ssa.c: Moved to... * tree-into-ssa.cc: ...here. * tree-iterator.c: Moved to... * tree-iterator.cc: ...here. * tree-loop-distribution.c: Moved to... * tree-loop-distribution.cc: ...here. * tree-nested.c: Moved to... * tree-nested.cc: ...here. * tree-nrv.c: Moved to... * tree-nrv.cc: ...here. * tree-object-size.c: Moved to... * tree-object-size.cc: ...here. * tree-outof-ssa.c: Moved to... * tree-outof-ssa.cc: ...here. * tree-parloops.c: Moved to... * tree-parloops.cc: ...here. * tree-phinodes.c: Moved to... * tree-phinodes.cc: ...here. * tree-predcom.c: Moved to... * tree-predcom.cc: ...here. * tree-pretty-print.c: Moved to... * tree-pretty-print.cc: ...here. * tree-profile.c: Moved to... * tree-profile.cc: ...here. * tree-scalar-evolution.c: Moved to... * tree-scalar-evolution.cc: ...here. * tree-sra.c: Moved to... * tree-sra.cc: ...here. * tree-ssa-address.c: Moved to... * tree-ssa-address.cc: ...here. * tree-ssa-alias.c: Moved to... * tree-ssa-alias.cc: ...here. * tree-ssa-ccp.c: Moved to... * tree-ssa-ccp.cc: ...here. * tree-ssa-coalesce.c: Moved to... * tree-ssa-coalesce.cc: ...here. * tree-ssa-copy.c: Moved to... * tree-ssa-copy.cc: ...here. * tree-ssa-dce.c: Moved to... * tree-ssa-dce.cc: ...here. * tree-ssa-dom.c: Moved to... * tree-ssa-dom.cc: ...here. * tree-ssa-dse.c: Moved to... * tree-ssa-dse.cc: ...here. * tree-ssa-forwprop.c: Moved to... * tree-ssa-forwprop.cc: ...here. * tree-ssa-ifcombine.c: Moved to... * tree-ssa-ifcombine.cc: ...here. * tree-ssa-live.c: Moved to... * tree-ssa-live.cc: ...here. * tree-ssa-loop-ch.c: Moved to... * tree-ssa-loop-ch.cc: ...here. * tree-ssa-loop-im.c: Moved to... * tree-ssa-loop-im.cc: ...here. * tree-ssa-loop-ivcanon.c: Moved to... * tree-ssa-loop-ivcanon.cc: ...here. * tree-ssa-loop-ivopts.c: Moved to... * tree-ssa-loop-ivopts.cc: ...here. * tree-ssa-loop-manip.c: Moved to... * tree-ssa-loop-manip.cc: ...here. * tree-ssa-loop-niter.c: Moved to... * tree-ssa-loop-niter.cc: ...here. * tree-ssa-loop-prefetch.c: Moved to... * tree-ssa-loop-prefetch.cc: ...here. * tree-ssa-loop-split.c: Moved to... * tree-ssa-loop-split.cc: ...here. * tree-ssa-loop-unswitch.c: Moved to... * tree-ssa-loop-unswitch.cc: ...here. * tree-ssa-loop.c: Moved to... * tree-ssa-loop.cc: ...here. * tree-ssa-math-opts.c: Moved to... * tree-ssa-math-opts.cc: ...here. * tree-ssa-operands.c: Moved to... * tree-ssa-operands.cc: ...here. * tree-ssa-phiopt.c: Moved to... * tree-ssa-phiopt.cc: ...here. * tree-ssa-phiprop.c: Moved to... * tree-ssa-phiprop.cc: ...here. * tree-ssa-pre.c: Moved to... * tree-ssa-pre.cc: ...here. * tree-ssa-propagate.c: Moved to... * tree-ssa-propagate.cc: ...here. * tree-ssa-reassoc.c: Moved to... * tree-ssa-reassoc.cc: ...here. * tree-ssa-sccvn.c: Moved to... * tree-ssa-sccvn.cc: ...here. * tree-ssa-scopedtables.c: Moved to... * tree-ssa-scopedtables.cc: ...here. * tree-ssa-sink.c: Moved to... * tree-ssa-sink.cc: ...here. * tree-ssa-strlen.c: Moved to... * tree-ssa-strlen.cc: ...here. * tree-ssa-structalias.c: Moved to... * tree-ssa-structalias.cc: ...here. * tree-ssa-tail-merge.c: Moved to... * tree-ssa-tail-merge.cc: ...here. * tree-ssa-ter.c: Moved to... * tree-ssa-ter.cc: ...here. * tree-ssa-threadbackward.c: Moved to... * tree-ssa-threadbackward.cc: ...here. * tree-ssa-threadedge.c: Moved to... * tree-ssa-threadedge.cc: ...here. * tree-ssa-threadupdate.c: Moved to... * tree-ssa-threadupdate.cc: ...here. * tree-ssa-uncprop.c: Moved to... * tree-ssa-uncprop.cc: ...here. * tree-ssa-uninit.c: Moved to... * tree-ssa-uninit.cc: ...here. * tree-ssa.c: Moved to... * tree-ssa.cc: ...here. * tree-ssanames.c: Moved to... * tree-ssanames.cc: ...here. * tree-stdarg.c: Moved to... * tree-stdarg.cc: ...here. * tree-streamer-in.c: Moved to... * tree-streamer-in.cc: ...here. * tree-streamer-out.c: Moved to... * tree-streamer-out.cc: ...here. * tree-streamer.c: Moved to... * tree-streamer.cc: ...here. * tree-switch-conversion.c: Moved to... * tree-switch-conversion.cc: ...here. * tree-tailcall.c: Moved to... * tree-tailcall.cc: ...here. * tree-vect-data-refs.c: Moved to... * tree-vect-data-refs.cc: ...here. * tree-vect-generic.c: Moved to... * tree-vect-generic.cc: ...here. * tree-vect-loop-manip.c: Moved to... * tree-vect-loop-manip.cc: ...here. * tree-vect-loop.c: Moved to... * tree-vect-loop.cc: ...here. * tree-vect-patterns.c: Moved to... * tree-vect-patterns.cc: ...here. * tree-vect-slp-patterns.c: Moved to... * tree-vect-slp-patterns.cc: ...here. * tree-vect-slp.c: Moved to... * tree-vect-slp.cc: ...here. * tree-vect-stmts.c: Moved to... * tree-vect-stmts.cc: ...here. * tree-vector-builder.c: Moved to... * tree-vector-builder.cc: ...here. * tree-vectorizer.c: Moved to... * tree-vectorizer.cc: ...here. * tree-vrp.c: Moved to... * tree-vrp.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * tsan.c: Moved to... * tsan.cc: ...here. * typed-splay-tree.c: Moved to... * typed-splay-tree.cc: ...here. * ubsan.c: Moved to... * ubsan.cc: ...here. * valtrack.c: Moved to... * valtrack.cc: ...here. * value-prof.c: Moved to... * value-prof.cc: ...here. * var-tracking.c: Moved to... * var-tracking.cc: ...here. * varasm.c: Moved to... * varasm.cc: ...here. * varpool.c: Moved to... * varpool.cc: ...here. * vec-perm-indices.c: Moved to... * vec-perm-indices.cc: ...here. * vec.c: Moved to... * vec.cc: ...here. * vmsdbgout.c: Moved to... * vmsdbgout.cc: ...here. * vr-values.c: Moved to... * vr-values.cc: ...here. * vtable-verify.c: Moved to... * vtable-verify.cc: ...here. * web.c: Moved to... * web.cc: ...here. * xcoffout.c: Moved to... * xcoffout.cc: ...here. gcc/c-family/ChangeLog: * c-ada-spec.c: Moved to... * c-ada-spec.cc: ...here. * c-attribs.c: Moved to... * c-attribs.cc: ...here. * c-common.c: Moved to... * c-common.cc: ...here. * c-cppbuiltin.c: Moved to... * c-cppbuiltin.cc: ...here. * c-dump.c: Moved to... * c-dump.cc: ...here. * c-format.c: Moved to... * c-format.cc: ...here. * c-gimplify.c: Moved to... * c-gimplify.cc: ...here. * c-indentation.c: Moved to... * c-indentation.cc: ...here. * c-lex.c: Moved to... * c-lex.cc: ...here. * c-omp.c: Moved to... * c-omp.cc: ...here. * c-opts.c: Moved to... * c-opts.cc: ...here. * c-pch.c: Moved to... * c-pch.cc: ...here. * c-ppoutput.c: Moved to... * c-ppoutput.cc: ...here. * c-pragma.c: Moved to... * c-pragma.cc: ...here. * c-pretty-print.c: Moved to... * c-pretty-print.cc: ...here. * c-semantics.c: Moved to... * c-semantics.cc: ...here. * c-ubsan.c: Moved to... * c-ubsan.cc: ...here. * c-warn.c: Moved to... * c-warn.cc: ...here. * cppspec.c: Moved to... * cppspec.cc: ...here. * stub-objc.c: Moved to... * stub-objc.cc: ...here. gcc/c/ChangeLog: * c-aux-info.c: Moved to... * c-aux-info.cc: ...here. * c-convert.c: Moved to... * c-convert.cc: ...here. * c-decl.c: Moved to... * c-decl.cc: ...here. * c-errors.c: Moved to... * c-errors.cc: ...here. * c-fold.c: Moved to... * c-fold.cc: ...here. * c-lang.c: Moved to... * c-lang.cc: ...here. * c-objc-common.c: Moved to... * c-objc-common.cc: ...here. * c-parser.c: Moved to... * c-parser.cc: ...here. * c-typeck.c: Moved to... * c-typeck.cc: ...here. * gccspec.c: Moved to... * gccspec.cc: ...here. * gimple-parser.c: Moved to... * gimple-parser.cc: ...here. gcc/cp/ChangeLog: * call.c: Moved to... * call.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constexpr.c: Moved to... * constexpr.cc: ...here. * cp-gimplify.c: Moved to... * cp-gimplify.cc: ...here. * cp-lang.c: Moved to... * cp-lang.cc: ...here. * cp-objcp-common.c: Moved to... * cp-objcp-common.cc: ...here. * cp-ubsan.c: Moved to... * cp-ubsan.cc: ...here. * cvt.c: Moved to... * cvt.cc: ...here. * cxx-pretty-print.c: Moved to... * cxx-pretty-print.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * decl2.c: Moved to... * decl2.cc: ...here. * dump.c: Moved to... * dump.cc: ...here. * error.c: Moved to... * error.cc: ...here. * except.c: Moved to... * except.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * friend.c: Moved to... * friend.cc: ...here. * g++spec.c: Moved to... * g++spec.cc: ...here. * init.c: Moved to... * init.cc: ...here. * lambda.c: Moved to... * lambda.cc: ...here. * lex.c: Moved to... * lex.cc: ...here. * mangle.c: Moved to... * mangle.cc: ...here. * method.c: Moved to... * method.cc: ...here. * name-lookup.c: Moved to... * name-lookup.cc: ...here. * optimize.c: Moved to... * optimize.cc: ...here. * parser.c: Moved to... * parser.cc: ...here. * pt.c: Moved to... * pt.cc: ...here. * ptree.c: Moved to... * ptree.cc: ...here. * rtti.c: Moved to... * rtti.cc: ...here. * search.c: Moved to... * search.cc: ...here. * semantics.c: Moved to... * semantics.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * typeck.c: Moved to... * typeck.cc: ...here. * typeck2.c: Moved to... * typeck2.cc: ...here. * vtable-class-hierarchy.c: Moved to... * vtable-class-hierarchy.cc: ...here. gcc/fortran/ChangeLog: * arith.c: Moved to... * arith.cc: ...here. * array.c: Moved to... * array.cc: ...here. * bbt.c: Moved to... * bbt.cc: ...here. * check.c: Moved to... * check.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constructor.c: Moved to... * constructor.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * cpp.c: Moved to... * cpp.cc: ...here. * data.c: Moved to... * data.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * dependency.c: Moved to... * dependency.cc: ...here. * dump-parse-tree.c: Moved to... * dump-parse-tree.cc: ...here. * error.c: Moved to... * error.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * f95-lang.c: Moved to... * f95-lang.cc: ...here. * frontend-passes.c: Moved to... * frontend-passes.cc: ...here. * gfortranspec.c: Moved to... * gfortranspec.cc: ...here. * interface.c: Moved to... * interface.cc: ...here. * intrinsic.c: Moved to... * intrinsic.cc: ...here. * io.c: Moved to... * io.cc: ...here. * iresolve.c: Moved to... * iresolve.cc: ...here. * match.c: Moved to... * match.cc: ...here. * matchexp.c: Moved to... * matchexp.cc: ...here. * misc.c: Moved to... * misc.cc: ...here. * module.c: Moved to... * module.cc: ...here. * openmp.c: Moved to... * openmp.cc: ...here. * options.c: Moved to... * options.cc: ...here. * parse.c: Moved to... * parse.cc: ...here. * primary.c: Moved to... * primary.cc: ...here. * resolve.c: Moved to... * resolve.cc: ...here. * scanner.c: Moved to... * scanner.cc: ...here. * simplify.c: Moved to... * simplify.cc: ...here. * st.c: Moved to... * st.cc: ...here. * symbol.c: Moved to... * symbol.cc: ...here. * target-memory.c: Moved to... * target-memory.cc: ...here. * trans-array.c: Moved to... * trans-array.cc: ...here. * trans-common.c: Moved to... * trans-common.cc: ...here. * trans-const.c: Moved to... * trans-const.cc: ...here. * trans-decl.c: Moved to... * trans-decl.cc: ...here. * trans-expr.c: Moved to... * trans-expr.cc: ...here. * trans-intrinsic.c: Moved to... * trans-intrinsic.cc: ...here. * trans-io.c: Moved to... * trans-io.cc: ...here. * trans-openmp.c: Moved to... * trans-openmp.cc: ...here. * trans-stmt.c: Moved to... * trans-stmt.cc: ...here. * trans-types.c: Moved to... * trans-types.cc: ...here. * trans.c: Moved to... * trans.cc: ...here. gcc/go/ChangeLog: * go-backend.c: Moved to... * go-backend.cc: ...here. * go-lang.c: Moved to... * go-lang.cc: ...here. * gospec.c: Moved to... * gospec.cc: ...here. gcc/jit/ChangeLog: * dummy-frontend.c: Moved to... * dummy-frontend.cc: ...here. * jit-builtins.c: Moved to... * jit-builtins.cc: ...here. * jit-logging.c: Moved to... * jit-logging.cc: ...here. * jit-playback.c: Moved to... * jit-playback.cc: ...here. * jit-recording.c: Moved to... * jit-recording.cc: ...here. * jit-result.c: Moved to... * jit-result.cc: ...here. * jit-spec.c: Moved to... * jit-spec.cc: ...here. * jit-tempdir.c: Moved to... * jit-tempdir.cc: ...here. * jit-w32.c: Moved to... * jit-w32.cc: ...here. * libgccjit.c: Moved to... * libgccjit.cc: ...here. gcc/lto/ChangeLog: * common.c: Moved to... * common.cc: ...here. * lto-common.c: Moved to... * 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Diffstat (limited to 'gcc/tree-chrec.c')
-rw-r--r--gcc/tree-chrec.c1770
1 files changed, 0 insertions, 1770 deletions
diff --git a/gcc/tree-chrec.c b/gcc/tree-chrec.c
deleted file mode 100644
index c44cea7..0000000
--- a/gcc/tree-chrec.c
+++ /dev/null
@@ -1,1770 +0,0 @@
-/* Chains of recurrences.
- Copyright (C) 2003-2022 Free Software Foundation, Inc.
- Contributed by Sebastian Pop <pop@cri.ensmp.fr>
-
-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/>. */
-
-/* This file implements operations on chains of recurrences. Chains
- of recurrences are used for modeling evolution functions of scalar
- variables.
-*/
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "backend.h"
-#include "tree.h"
-#include "gimple-expr.h"
-#include "tree-pretty-print.h"
-#include "fold-const.h"
-#include "cfgloop.h"
-#include "tree-ssa-loop-ivopts.h"
-#include "tree-ssa-loop-niter.h"
-#include "tree-chrec.h"
-#include "gimple.h"
-#include "tree-ssa-loop.h"
-#include "dumpfile.h"
-#include "tree-scalar-evolution.h"
-
-/* Extended folder for chrecs. */
-
-/* Fold the addition of two polynomial functions. */
-
-static inline tree
-chrec_fold_plus_poly_poly (enum tree_code code,
- tree type,
- tree poly0,
- tree poly1)
-{
- tree left, right;
- class loop *loop0 = get_chrec_loop (poly0);
- class loop *loop1 = get_chrec_loop (poly1);
- tree rtype = code == POINTER_PLUS_EXPR ? chrec_type (poly1) : type;
-
- gcc_assert (poly0);
- gcc_assert (poly1);
- gcc_assert (TREE_CODE (poly0) == POLYNOMIAL_CHREC);
- gcc_assert (TREE_CODE (poly1) == POLYNOMIAL_CHREC);
- if (POINTER_TYPE_P (chrec_type (poly0)))
- gcc_checking_assert (ptrofftype_p (chrec_type (poly1))
- && useless_type_conversion_p (type, chrec_type (poly0)));
- else
- gcc_checking_assert (useless_type_conversion_p (type, chrec_type (poly0))
- && useless_type_conversion_p (type, chrec_type (poly1)));
-
- /*
- {a, +, b}_1 + {c, +, d}_2 -> {{a, +, b}_1 + c, +, d}_2,
- {a, +, b}_2 + {c, +, d}_1 -> {{c, +, d}_1 + a, +, b}_2,
- {a, +, b}_x + {c, +, d}_x -> {a+c, +, b+d}_x. */
- if (flow_loop_nested_p (loop0, loop1))
- {
- if (code == PLUS_EXPR || code == POINTER_PLUS_EXPR)
- return build_polynomial_chrec
- (CHREC_VARIABLE (poly1),
- chrec_fold_plus (type, poly0, CHREC_LEFT (poly1)),
- CHREC_RIGHT (poly1));
- else
- return build_polynomial_chrec
- (CHREC_VARIABLE (poly1),
- chrec_fold_minus (type, poly0, CHREC_LEFT (poly1)),
- chrec_fold_multiply (type, CHREC_RIGHT (poly1),
- SCALAR_FLOAT_TYPE_P (type)
- ? build_real (type, dconstm1)
- : build_int_cst_type (type, -1)));
- }
-
- if (flow_loop_nested_p (loop1, loop0))
- {
- if (code == PLUS_EXPR || code == POINTER_PLUS_EXPR)
- return build_polynomial_chrec
- (CHREC_VARIABLE (poly0),
- chrec_fold_plus (type, CHREC_LEFT (poly0), poly1),
- CHREC_RIGHT (poly0));
- else
- return build_polynomial_chrec
- (CHREC_VARIABLE (poly0),
- chrec_fold_minus (type, CHREC_LEFT (poly0), poly1),
- CHREC_RIGHT (poly0));
- }
-
- /* This function should never be called for chrecs of loops that
- do not belong to the same loop nest. */
- if (loop0 != loop1)
- {
- /* It still can happen if we are not in loop-closed SSA form. */
- gcc_assert (! loops_state_satisfies_p (LOOP_CLOSED_SSA));
- return chrec_dont_know;
- }
-
- if (code == PLUS_EXPR || code == POINTER_PLUS_EXPR)
- {
- left = chrec_fold_plus
- (type, CHREC_LEFT (poly0), CHREC_LEFT (poly1));
- right = chrec_fold_plus
- (rtype, CHREC_RIGHT (poly0), CHREC_RIGHT (poly1));
- }
- else
- {
- left = chrec_fold_minus
- (type, CHREC_LEFT (poly0), CHREC_LEFT (poly1));
- right = chrec_fold_minus
- (type, CHREC_RIGHT (poly0), CHREC_RIGHT (poly1));
- }
-
- if (chrec_zerop (right))
- return left;
- else
- return build_polynomial_chrec
- (CHREC_VARIABLE (poly0), left, right);
-}
-
-
-
-/* Fold the multiplication of two polynomial functions. */
-
-static inline tree
-chrec_fold_multiply_poly_poly (tree type,
- tree poly0,
- tree poly1)
-{
- tree t0, t1, t2;
- int var;
- class loop *loop0 = get_chrec_loop (poly0);
- class loop *loop1 = get_chrec_loop (poly1);
-
- gcc_assert (poly0);
- gcc_assert (poly1);
- gcc_assert (TREE_CODE (poly0) == POLYNOMIAL_CHREC);
- gcc_assert (TREE_CODE (poly1) == POLYNOMIAL_CHREC);
- gcc_checking_assert (useless_type_conversion_p (type, chrec_type (poly0))
- && useless_type_conversion_p (type, chrec_type (poly1)));
-
- /* {a, +, b}_1 * {c, +, d}_2 -> {c*{a, +, b}_1, +, d}_2,
- {a, +, b}_2 * {c, +, d}_1 -> {a*{c, +, d}_1, +, b}_2,
- {a, +, b}_x * {c, +, d}_x -> {a*c, +, a*d + b*c + b*d, +, 2*b*d}_x. */
- if (flow_loop_nested_p (loop0, loop1))
- /* poly0 is a constant wrt. poly1. */
- return build_polynomial_chrec
- (CHREC_VARIABLE (poly1),
- chrec_fold_multiply (type, CHREC_LEFT (poly1), poly0),
- CHREC_RIGHT (poly1));
-
- if (flow_loop_nested_p (loop1, loop0))
- /* poly1 is a constant wrt. poly0. */
- return build_polynomial_chrec
- (CHREC_VARIABLE (poly0),
- chrec_fold_multiply (type, CHREC_LEFT (poly0), poly1),
- CHREC_RIGHT (poly0));
-
- if (loop0 != loop1)
- {
- /* It still can happen if we are not in loop-closed SSA form. */
- gcc_assert (! loops_state_satisfies_p (LOOP_CLOSED_SSA));
- return chrec_dont_know;
- }
-
- /* poly0 and poly1 are two polynomials in the same variable,
- {a, +, b}_x * {c, +, d}_x -> {a*c, +, a*d + b*c + b*d, +, 2*b*d}_x. */
-
- /* "a*c". */
- t0 = chrec_fold_multiply (type, CHREC_LEFT (poly0), CHREC_LEFT (poly1));
-
- /* "a*d + b*c". */
- t1 = chrec_fold_multiply (type, CHREC_LEFT (poly0), CHREC_RIGHT (poly1));
- t1 = chrec_fold_plus (type, t1, chrec_fold_multiply (type,
- CHREC_RIGHT (poly0),
- CHREC_LEFT (poly1)));
- /* "b*d". */
- t2 = chrec_fold_multiply (type, CHREC_RIGHT (poly0), CHREC_RIGHT (poly1));
- /* "a*d + b*c + b*d". */
- t1 = chrec_fold_plus (type, t1, t2);
- /* "2*b*d". */
- t2 = chrec_fold_multiply (type, SCALAR_FLOAT_TYPE_P (type)
- ? build_real (type, dconst2)
- : build_int_cst (type, 2), t2);
-
- var = CHREC_VARIABLE (poly0);
- return build_polynomial_chrec (var, t0,
- build_polynomial_chrec (var, t1, t2));
-}
-
-/* When the operands are automatically_generated_chrec_p, the fold has
- to respect the semantics of the operands. */
-
-static inline tree
-chrec_fold_automatically_generated_operands (tree op0,
- tree op1)
-{
- if (op0 == chrec_dont_know
- || op1 == chrec_dont_know)
- return chrec_dont_know;
-
- if (op0 == chrec_known
- || op1 == chrec_known)
- return chrec_known;
-
- if (op0 == chrec_not_analyzed_yet
- || op1 == chrec_not_analyzed_yet)
- return chrec_not_analyzed_yet;
-
- /* The default case produces a safe result. */
- return chrec_dont_know;
-}
-
-/* Fold the addition of two chrecs. */
-
-static tree
-chrec_fold_plus_1 (enum tree_code code, tree type,
- tree op0, tree op1)
-{
- if (automatically_generated_chrec_p (op0)
- || automatically_generated_chrec_p (op1))
- return chrec_fold_automatically_generated_operands (op0, op1);
-
- switch (TREE_CODE (op0))
- {
- case POLYNOMIAL_CHREC:
- gcc_checking_assert
- (!chrec_contains_symbols_defined_in_loop (op0, CHREC_VARIABLE (op0)));
- switch (TREE_CODE (op1))
- {
- case POLYNOMIAL_CHREC:
- gcc_checking_assert
- (!chrec_contains_symbols_defined_in_loop (op1,
- CHREC_VARIABLE (op1)));
- return chrec_fold_plus_poly_poly (code, type, op0, op1);
-
- CASE_CONVERT:
- {
- /* We can strip sign-conversions to signed by performing the
- operation in unsigned. */
- tree optype = TREE_TYPE (TREE_OPERAND (op1, 0));
- if (INTEGRAL_TYPE_P (type)
- && INTEGRAL_TYPE_P (optype)
- && tree_nop_conversion_p (type, optype)
- && TYPE_UNSIGNED (optype))
- return chrec_convert (type,
- chrec_fold_plus_1 (code, optype,
- chrec_convert (optype,
- op0, NULL),
- TREE_OPERAND (op1, 0)),
- NULL);
- if (tree_contains_chrecs (op1, NULL))
- return chrec_dont_know;
- }
- /* FALLTHRU */
-
- default:
- if (code == PLUS_EXPR || code == POINTER_PLUS_EXPR)
- return build_polynomial_chrec
- (CHREC_VARIABLE (op0),
- chrec_fold_plus (type, CHREC_LEFT (op0), op1),
- CHREC_RIGHT (op0));
- else
- return build_polynomial_chrec
- (CHREC_VARIABLE (op0),
- chrec_fold_minus (type, CHREC_LEFT (op0), op1),
- CHREC_RIGHT (op0));
- }
-
- CASE_CONVERT:
- {
- /* We can strip sign-conversions to signed by performing the
- operation in unsigned. */
- tree optype = TREE_TYPE (TREE_OPERAND (op0, 0));
- if (INTEGRAL_TYPE_P (type)
- && INTEGRAL_TYPE_P (optype)
- && tree_nop_conversion_p (type, optype)
- && TYPE_UNSIGNED (optype))
- return chrec_convert (type,
- chrec_fold_plus_1 (code, optype,
- TREE_OPERAND (op0, 0),
- chrec_convert (optype,
- op1, NULL)),
- NULL);
- if (tree_contains_chrecs (op0, NULL))
- return chrec_dont_know;
- }
- /* FALLTHRU */
-
- default:
- switch (TREE_CODE (op1))
- {
- case POLYNOMIAL_CHREC:
- gcc_checking_assert
- (!chrec_contains_symbols_defined_in_loop (op1,
- CHREC_VARIABLE (op1)));
- if (code == PLUS_EXPR || code == POINTER_PLUS_EXPR)
- return build_polynomial_chrec
- (CHREC_VARIABLE (op1),
- chrec_fold_plus (type, op0, CHREC_LEFT (op1)),
- CHREC_RIGHT (op1));
- else
- return build_polynomial_chrec
- (CHREC_VARIABLE (op1),
- chrec_fold_minus (type, op0, CHREC_LEFT (op1)),
- chrec_fold_multiply (type, CHREC_RIGHT (op1),
- SCALAR_FLOAT_TYPE_P (type)
- ? build_real (type, dconstm1)
- : build_int_cst_type (type, -1)));
-
- CASE_CONVERT:
- if (tree_contains_chrecs (op1, NULL))
- return chrec_dont_know;
- /* FALLTHRU */
-
- default:
- {
- int size = 0;
- if ((tree_contains_chrecs (op0, &size)
- || tree_contains_chrecs (op1, &size))
- && size < param_scev_max_expr_size)
- return build2 (code, type, op0, op1);
- else if (size < param_scev_max_expr_size)
- {
- if (code == POINTER_PLUS_EXPR)
- return fold_build_pointer_plus (fold_convert (type, op0),
- op1);
- else
- return fold_build2 (code, type,
- fold_convert (type, op0),
- fold_convert (type, op1));
- }
- else
- return chrec_dont_know;
- }
- }
- }
-}
-
-/* Fold the addition of two chrecs. */
-
-tree
-chrec_fold_plus (tree type,
- tree op0,
- tree op1)
-{
- enum tree_code code;
- if (automatically_generated_chrec_p (op0)
- || automatically_generated_chrec_p (op1))
- return chrec_fold_automatically_generated_operands (op0, op1);
-
- if (integer_zerop (op0))
- return chrec_convert (type, op1, NULL);
- if (integer_zerop (op1))
- return chrec_convert (type, op0, NULL);
-
- if (POINTER_TYPE_P (type))
- code = POINTER_PLUS_EXPR;
- else
- code = PLUS_EXPR;
-
- return chrec_fold_plus_1 (code, type, op0, op1);
-}
-
-/* Fold the subtraction of two chrecs. */
-
-tree
-chrec_fold_minus (tree type,
- tree op0,
- tree op1)
-{
- if (automatically_generated_chrec_p (op0)
- || automatically_generated_chrec_p (op1))
- return chrec_fold_automatically_generated_operands (op0, op1);
-
- if (integer_zerop (op1))
- return op0;
-
- return chrec_fold_plus_1 (MINUS_EXPR, type, op0, op1);
-}
-
-/* Fold the multiplication of two chrecs. */
-
-tree
-chrec_fold_multiply (tree type,
- tree op0,
- tree op1)
-{
- if (automatically_generated_chrec_p (op0)
- || automatically_generated_chrec_p (op1))
- return chrec_fold_automatically_generated_operands (op0, op1);
-
- switch (TREE_CODE (op0))
- {
- case POLYNOMIAL_CHREC:
- gcc_checking_assert
- (!chrec_contains_symbols_defined_in_loop (op0, CHREC_VARIABLE (op0)));
- switch (TREE_CODE (op1))
- {
- case POLYNOMIAL_CHREC:
- gcc_checking_assert
- (!chrec_contains_symbols_defined_in_loop (op1,
- CHREC_VARIABLE (op1)));
- return chrec_fold_multiply_poly_poly (type, op0, op1);
-
- CASE_CONVERT:
- if (tree_contains_chrecs (op1, NULL))
- return chrec_dont_know;
- /* FALLTHRU */
-
- default:
- if (integer_onep (op1))
- return op0;
- if (integer_zerop (op1))
- return build_int_cst (type, 0);
-
- return build_polynomial_chrec
- (CHREC_VARIABLE (op0),
- chrec_fold_multiply (type, CHREC_LEFT (op0), op1),
- chrec_fold_multiply (type, CHREC_RIGHT (op0), op1));
- }
-
- CASE_CONVERT:
- if (tree_contains_chrecs (op0, NULL))
- return chrec_dont_know;
- /* FALLTHRU */
-
- default:
- if (integer_onep (op0))
- return op1;
-
- if (integer_zerop (op0))
- return build_int_cst (type, 0);
-
- switch (TREE_CODE (op1))
- {
- case POLYNOMIAL_CHREC:
- gcc_checking_assert
- (!chrec_contains_symbols_defined_in_loop (op1,
- CHREC_VARIABLE (op1)));
- return build_polynomial_chrec
- (CHREC_VARIABLE (op1),
- chrec_fold_multiply (type, CHREC_LEFT (op1), op0),
- chrec_fold_multiply (type, CHREC_RIGHT (op1), op0));
-
- CASE_CONVERT:
- if (tree_contains_chrecs (op1, NULL))
- return chrec_dont_know;
- /* FALLTHRU */
-
- default:
- if (integer_onep (op1))
- return op0;
- if (integer_zerop (op1))
- return build_int_cst (type, 0);
- return fold_build2 (MULT_EXPR, type, op0, op1);
- }
- }
-}
-
-
-
-/* Operations. */
-
-/* Evaluate the binomial coefficient. Return NULL_TREE if the intermediate
- calculation overflows, otherwise return C(n,k) with type TYPE. */
-
-static tree
-tree_fold_binomial (tree type, tree n, unsigned int k)
-{
- wi::overflow_type overflow;
- unsigned int i;
-
- /* Handle the most frequent cases. */
- if (k == 0)
- return build_int_cst (type, 1);
- if (k == 1)
- return fold_convert (type, n);
-
- widest_int num = wi::to_widest (n);
-
- /* Check that k <= n. */
- if (wi::ltu_p (num, k))
- return NULL_TREE;
-
- /* Denominator = 2. */
- widest_int denom = 2;
-
- /* Index = Numerator-1. */
- widest_int idx = num - 1;
-
- /* Numerator = Numerator*Index = n*(n-1). */
- num = wi::smul (num, idx, &overflow);
- if (overflow)
- return NULL_TREE;
-
- for (i = 3; i <= k; i++)
- {
- /* Index--. */
- --idx;
-
- /* Numerator *= Index. */
- num = wi::smul (num, idx, &overflow);
- if (overflow)
- return NULL_TREE;
-
- /* Denominator *= i. */
- denom *= i;
- }
-
- /* Result = Numerator / Denominator. */
- num = wi::udiv_trunc (num, denom);
- if (! wi::fits_to_tree_p (num, type))
- return NULL_TREE;
- return wide_int_to_tree (type, num);
-}
-
-/* Helper function. Use the Newton's interpolating formula for
- evaluating the value of the evolution function.
- The result may be in an unsigned type of CHREC. */
-
-static tree
-chrec_evaluate (unsigned var, tree chrec, tree n, unsigned int k)
-{
- tree arg0, arg1, binomial_n_k;
- tree type = TREE_TYPE (chrec);
- class loop *var_loop = get_loop (cfun, var);
-
- while (TREE_CODE (chrec) == POLYNOMIAL_CHREC
- && flow_loop_nested_p (var_loop, get_chrec_loop (chrec)))
- chrec = CHREC_LEFT (chrec);
-
- /* The formula associates the expression and thus we have to make
- sure to not introduce undefined overflow. */
- tree ctype = type;
- if (INTEGRAL_TYPE_P (type)
- && ! TYPE_OVERFLOW_WRAPS (type))
- ctype = unsigned_type_for (type);
-
- if (TREE_CODE (chrec) == POLYNOMIAL_CHREC
- && CHREC_VARIABLE (chrec) == var)
- {
- arg1 = chrec_evaluate (var, CHREC_RIGHT (chrec), n, k + 1);
- if (arg1 == chrec_dont_know)
- return chrec_dont_know;
- binomial_n_k = tree_fold_binomial (ctype, n, k);
- if (!binomial_n_k)
- return chrec_dont_know;
- tree l = chrec_convert (ctype, CHREC_LEFT (chrec), NULL);
- arg0 = fold_build2 (MULT_EXPR, ctype, l, binomial_n_k);
- return chrec_fold_plus (ctype, arg0, arg1);
- }
-
- binomial_n_k = tree_fold_binomial (ctype, n, k);
- if (!binomial_n_k)
- return chrec_dont_know;
-
- return fold_build2 (MULT_EXPR, ctype,
- chrec_convert (ctype, chrec, NULL), binomial_n_k);
-}
-
-/* Evaluates "CHREC (X)" when the varying variable is VAR.
- Example: Given the following parameters,
-
- var = 1
- chrec = {3, +, 4}_1
- x = 10
-
- The result is given by the Newton's interpolating formula:
- 3 * \binom{10}{0} + 4 * \binom{10}{1}.
-*/
-
-tree
-chrec_apply (unsigned var,
- tree chrec,
- tree x)
-{
- tree type = chrec_type (chrec);
- tree res = chrec_dont_know;
-
- if (automatically_generated_chrec_p (chrec)
- || automatically_generated_chrec_p (x)
-
- /* When the symbols are defined in an outer loop, it is possible
- to symbolically compute the apply, since the symbols are
- constants with respect to the varying loop. */
- || chrec_contains_symbols_defined_in_loop (chrec, var))
- return chrec_dont_know;
-
- if (dump_file && (dump_flags & TDF_SCEV))
- fprintf (dump_file, "(chrec_apply \n");
-
- if (TREE_CODE (x) == INTEGER_CST && SCALAR_FLOAT_TYPE_P (type))
- x = build_real_from_int_cst (type, x);
-
- switch (TREE_CODE (chrec))
- {
- case POLYNOMIAL_CHREC:
- if (evolution_function_is_affine_p (chrec))
- {
- if (CHREC_VARIABLE (chrec) != var)
- return build_polynomial_chrec
- (CHREC_VARIABLE (chrec),
- chrec_apply (var, CHREC_LEFT (chrec), x),
- chrec_apply (var, CHREC_RIGHT (chrec), x));
-
- /* "{a, +, b} (x)" -> "a + b*x". */
- x = chrec_convert_rhs (type, x, NULL);
- res = chrec_fold_multiply (TREE_TYPE (x), CHREC_RIGHT (chrec), x);
- res = chrec_fold_plus (type, CHREC_LEFT (chrec), res);
- }
- else if (TREE_CODE (x) == INTEGER_CST
- && tree_int_cst_sgn (x) == 1)
- /* testsuite/.../ssa-chrec-38.c. */
- res = chrec_convert (type, chrec_evaluate (var, chrec, x, 0), NULL);
- else
- res = chrec_dont_know;
- break;
-
- CASE_CONVERT:
- res = chrec_convert (TREE_TYPE (chrec),
- chrec_apply (var, TREE_OPERAND (chrec, 0), x),
- NULL);
- break;
-
- default:
- res = chrec;
- break;
- }
-
- if (dump_file && (dump_flags & TDF_SCEV))
- {
- fprintf (dump_file, " (varying_loop = %d\n", var);
- fprintf (dump_file, ")\n (chrec = ");
- print_generic_expr (dump_file, chrec);
- fprintf (dump_file, ")\n (x = ");
- print_generic_expr (dump_file, x);
- fprintf (dump_file, ")\n (res = ");
- print_generic_expr (dump_file, res);
- fprintf (dump_file, "))\n");
- }
-
- return res;
-}
-
-/* For a given CHREC and an induction variable map IV_MAP that maps
- (loop->num, expr) for every loop number of the current_loops an
- expression, calls chrec_apply when the expression is not NULL. */
-
-tree
-chrec_apply_map (tree chrec, vec<tree> iv_map)
-{
- int i;
- tree expr;
-
- FOR_EACH_VEC_ELT (iv_map, i, expr)
- if (expr)
- chrec = chrec_apply (i, chrec, expr);
-
- return chrec;
-}
-
-/* Replaces the initial condition in CHREC with INIT_COND. */
-
-tree
-chrec_replace_initial_condition (tree chrec,
- tree init_cond)
-{
- if (automatically_generated_chrec_p (chrec))
- return chrec;
-
- gcc_assert (chrec_type (chrec) == chrec_type (init_cond));
-
- switch (TREE_CODE (chrec))
- {
- case POLYNOMIAL_CHREC:
- return build_polynomial_chrec
- (CHREC_VARIABLE (chrec),
- chrec_replace_initial_condition (CHREC_LEFT (chrec), init_cond),
- CHREC_RIGHT (chrec));
-
- default:
- return init_cond;
- }
-}
-
-/* Returns the initial condition of a given CHREC. */
-
-tree
-initial_condition (tree chrec)
-{
- if (automatically_generated_chrec_p (chrec))
- return chrec;
-
- if (TREE_CODE (chrec) == POLYNOMIAL_CHREC)
- return initial_condition (CHREC_LEFT (chrec));
- else
- return chrec;
-}
-
-/* Returns a univariate function that represents the evolution in
- LOOP_NUM. Mask the evolution of any other loop. */
-
-tree
-hide_evolution_in_other_loops_than_loop (tree chrec,
- unsigned loop_num)
-{
- class loop *loop = get_loop (cfun, loop_num), *chloop;
- if (automatically_generated_chrec_p (chrec))
- return chrec;
-
- switch (TREE_CODE (chrec))
- {
- case POLYNOMIAL_CHREC:
- chloop = get_chrec_loop (chrec);
-
- if (chloop == loop)
- return build_polynomial_chrec
- (loop_num,
- hide_evolution_in_other_loops_than_loop (CHREC_LEFT (chrec),
- loop_num),
- CHREC_RIGHT (chrec));
-
- else if (flow_loop_nested_p (chloop, loop))
- /* There is no evolution in this loop. */
- return initial_condition (chrec);
-
- else if (flow_loop_nested_p (loop, chloop))
- return hide_evolution_in_other_loops_than_loop (CHREC_LEFT (chrec),
- loop_num);
-
- else
- return chrec_dont_know;
-
- default:
- return chrec;
- }
-}
-
-/* Returns the evolution part of CHREC in LOOP_NUM when RIGHT is
- true, otherwise returns the initial condition in LOOP_NUM. */
-
-static tree
-chrec_component_in_loop_num (tree chrec,
- unsigned loop_num,
- bool right)
-{
- tree component;
- class loop *loop = get_loop (cfun, loop_num), *chloop;
-
- if (automatically_generated_chrec_p (chrec))
- return chrec;
-
- switch (TREE_CODE (chrec))
- {
- case POLYNOMIAL_CHREC:
- chloop = get_chrec_loop (chrec);
-
- if (chloop == loop)
- {
- if (right)
- component = CHREC_RIGHT (chrec);
- else
- component = CHREC_LEFT (chrec);
-
- if (TREE_CODE (CHREC_LEFT (chrec)) != POLYNOMIAL_CHREC
- || CHREC_VARIABLE (CHREC_LEFT (chrec)) != CHREC_VARIABLE (chrec))
- return component;
-
- else
- return build_polynomial_chrec
- (loop_num,
- chrec_component_in_loop_num (CHREC_LEFT (chrec),
- loop_num,
- right),
- component);
- }
-
- else if (flow_loop_nested_p (chloop, loop))
- /* There is no evolution part in this loop. */
- return NULL_TREE;
-
- else
- {
- gcc_assert (flow_loop_nested_p (loop, chloop));
- return chrec_component_in_loop_num (CHREC_LEFT (chrec),
- loop_num,
- right);
- }
-
- default:
- if (right)
- return NULL_TREE;
- else
- return chrec;
- }
-}
-
-/* Returns the evolution part in LOOP_NUM. Example: the call
- evolution_part_in_loop_num ({{0, +, 1}_1, +, 2}_1, 1) returns
- {1, +, 2}_1 */
-
-tree
-evolution_part_in_loop_num (tree chrec,
- unsigned loop_num)
-{
- return chrec_component_in_loop_num (chrec, loop_num, true);
-}
-
-/* Returns the initial condition in LOOP_NUM. Example: the call
- initial_condition_in_loop_num ({{0, +, 1}_1, +, 2}_2, 2) returns
- {0, +, 1}_1 */
-
-tree
-initial_condition_in_loop_num (tree chrec,
- unsigned loop_num)
-{
- return chrec_component_in_loop_num (chrec, loop_num, false);
-}
-
-/* Set or reset the evolution of CHREC to NEW_EVOL in loop LOOP_NUM.
- This function is essentially used for setting the evolution to
- chrec_dont_know, for example after having determined that it is
- impossible to say how many times a loop will execute. */
-
-tree
-reset_evolution_in_loop (unsigned loop_num,
- tree chrec,
- tree new_evol)
-{
- class loop *loop = get_loop (cfun, loop_num);
-
- if (POINTER_TYPE_P (chrec_type (chrec)))
- gcc_assert (ptrofftype_p (chrec_type (new_evol)));
- else
- gcc_assert (chrec_type (chrec) == chrec_type (new_evol));
-
- if (TREE_CODE (chrec) == POLYNOMIAL_CHREC
- && flow_loop_nested_p (loop, get_chrec_loop (chrec)))
- {
- tree left = reset_evolution_in_loop (loop_num, CHREC_LEFT (chrec),
- new_evol);
- tree right = reset_evolution_in_loop (loop_num, CHREC_RIGHT (chrec),
- new_evol);
- return build_polynomial_chrec (CHREC_VARIABLE (chrec), left, right);
- }
-
- while (TREE_CODE (chrec) == POLYNOMIAL_CHREC
- && CHREC_VARIABLE (chrec) == loop_num)
- chrec = CHREC_LEFT (chrec);
-
- return build_polynomial_chrec (loop_num, chrec, new_evol);
-}
-
-/* Merges two evolution functions that were found by following two
- alternate paths of a conditional expression. */
-
-tree
-chrec_merge (tree chrec1,
- tree chrec2)
-{
- if (chrec1 == chrec_dont_know
- || chrec2 == chrec_dont_know)
- return chrec_dont_know;
-
- if (chrec1 == chrec_known
- || chrec2 == chrec_known)
- return chrec_known;
-
- if (chrec1 == chrec_not_analyzed_yet)
- return chrec2;
- if (chrec2 == chrec_not_analyzed_yet)
- return chrec1;
-
- if (eq_evolutions_p (chrec1, chrec2))
- return chrec1;
-
- return chrec_dont_know;
-}
-
-
-
-/* Observers. */
-
-/* Helper function for is_multivariate_chrec. */
-
-static bool
-is_multivariate_chrec_rec (const_tree chrec, unsigned int rec_var)
-{
- if (chrec == NULL_TREE)
- return false;
-
- if (TREE_CODE (chrec) == POLYNOMIAL_CHREC)
- {
- if (CHREC_VARIABLE (chrec) != rec_var)
- return true;
- else
- return (is_multivariate_chrec_rec (CHREC_LEFT (chrec), rec_var)
- || is_multivariate_chrec_rec (CHREC_RIGHT (chrec), rec_var));
- }
- else
- return false;
-}
-
-/* Determine whether the given chrec is multivariate or not. */
-
-bool
-is_multivariate_chrec (const_tree chrec)
-{
- if (chrec == NULL_TREE)
- return false;
-
- if (TREE_CODE (chrec) == POLYNOMIAL_CHREC)
- return (is_multivariate_chrec_rec (CHREC_LEFT (chrec),
- CHREC_VARIABLE (chrec))
- || is_multivariate_chrec_rec (CHREC_RIGHT (chrec),
- CHREC_VARIABLE (chrec)));
- else
- return false;
-}
-
-/* Determines whether the chrec contains symbolic names or not. If LOOP isn't
- NULL, we also consider chrec wrto outer loops of LOOP as symbol. */
-
-static bool
-chrec_contains_symbols (const_tree chrec, hash_set<const_tree> &visited,
- class loop *loop)
-{
- int i, n;
-
- if (chrec == NULL_TREE)
- return false;
-
- if (TREE_CODE (chrec) == SSA_NAME
- || VAR_P (chrec)
- || TREE_CODE (chrec) == POLY_INT_CST
- || TREE_CODE (chrec) == PARM_DECL
- || TREE_CODE (chrec) == FUNCTION_DECL
- || TREE_CODE (chrec) == LABEL_DECL
- || TREE_CODE (chrec) == RESULT_DECL
- || TREE_CODE (chrec) == FIELD_DECL)
- return true;
-
- if (loop != NULL
- && TREE_CODE (chrec) == POLYNOMIAL_CHREC
- && flow_loop_nested_p (get_chrec_loop (chrec), loop))
- return true;
-
- if (visited.add (chrec))
- return false;
-
- n = TREE_OPERAND_LENGTH (chrec);
- for (i = 0; i < n; i++)
- if (chrec_contains_symbols (TREE_OPERAND (chrec, i), visited, loop))
- return true;
- return false;
-}
-
-/* Return true if CHREC contains any symbols. If LOOP is not NULL, check if
- CHREC contains any chrec which is invariant wrto the loop (nest), in other
- words, chrec defined by outer loops of loop, so from LOOP's point of view,
- the chrec is considered as a SYMBOL. */
-
-bool
-chrec_contains_symbols (const_tree chrec, class loop* loop)
-{
- hash_set<const_tree> visited;
- return chrec_contains_symbols (chrec, visited, loop);
-}
-
-/* Return true when CHREC contains symbolic names defined in
- LOOP_NB. */
-
-static bool
-chrec_contains_symbols_defined_in_loop (const_tree chrec, unsigned loop_nb,
- hash_set<const_tree> &visited)
-{
- int i, n;
-
- if (chrec == NULL_TREE)
- return false;
-
- if (is_gimple_min_invariant (chrec))
- return false;
-
- if (TREE_CODE (chrec) == SSA_NAME)
- {
- gimple *def;
- loop_p def_loop, loop;
-
- if (SSA_NAME_IS_DEFAULT_DEF (chrec))
- return false;
-
- def = SSA_NAME_DEF_STMT (chrec);
- def_loop = loop_containing_stmt (def);
- loop = get_loop (cfun, loop_nb);
-
- if (def_loop == NULL)
- return false;
-
- if (loop == def_loop || flow_loop_nested_p (loop, def_loop))
- return true;
-
- return false;
- }
-
- if (visited.add (chrec))
- return false;
-
- n = TREE_OPERAND_LENGTH (chrec);
- for (i = 0; i < n; i++)
- if (chrec_contains_symbols_defined_in_loop (TREE_OPERAND (chrec, i),
- loop_nb, visited))
- return true;
- return false;
-}
-
-/* Return true when CHREC contains symbolic names defined in
- LOOP_NB. */
-
-bool
-chrec_contains_symbols_defined_in_loop (const_tree chrec, unsigned loop_nb)
-{
- hash_set<const_tree> visited;
- return chrec_contains_symbols_defined_in_loop (chrec, loop_nb, visited);
-}
-
-/* Determines whether the chrec contains undetermined coefficients. */
-
-static bool
-chrec_contains_undetermined (const_tree chrec, hash_set<const_tree> &visited)
-{
- int i, n;
-
- if (chrec == chrec_dont_know)
- return true;
-
- if (chrec == NULL_TREE)
- return false;
-
- if (visited.add (chrec))
- return false;
-
- n = TREE_OPERAND_LENGTH (chrec);
- for (i = 0; i < n; i++)
- if (chrec_contains_undetermined (TREE_OPERAND (chrec, i), visited))
- return true;
- return false;
-}
-
-bool
-chrec_contains_undetermined (const_tree chrec)
-{
- hash_set<const_tree> visited;
- return chrec_contains_undetermined (chrec, visited);
-}
-
-/* Determines whether the tree EXPR contains chrecs, and increment
- SIZE if it is not a NULL pointer by an estimation of the depth of
- the tree. */
-
-static bool
-tree_contains_chrecs (const_tree expr, int *size, hash_set<const_tree> &visited)
-{
- int i, n;
-
- if (expr == NULL_TREE)
- return false;
-
- if (size)
- (*size)++;
-
- if (tree_is_chrec (expr))
- return true;
-
- if (visited.add (expr))
- return false;
-
- n = TREE_OPERAND_LENGTH (expr);
- for (i = 0; i < n; i++)
- if (tree_contains_chrecs (TREE_OPERAND (expr, i), size, visited))
- return true;
- return false;
-}
-
-bool
-tree_contains_chrecs (const_tree expr, int *size)
-{
- hash_set<const_tree> visited;
- return tree_contains_chrecs (expr, size, visited);
-}
-
-
-/* Recursive helper function. */
-
-static bool
-evolution_function_is_invariant_rec_p (tree chrec, int loopnum)
-{
- if (evolution_function_is_constant_p (chrec))
- return true;
-
- if (TREE_CODE (chrec) == SSA_NAME
- && (loopnum == 0
- || expr_invariant_in_loop_p (get_loop (cfun, loopnum), chrec)))
- return true;
-
- if (TREE_CODE (chrec) == POLYNOMIAL_CHREC)
- {
- if (CHREC_VARIABLE (chrec) == (unsigned) loopnum
- || flow_loop_nested_p (get_loop (cfun, loopnum),
- get_chrec_loop (chrec))
- || !evolution_function_is_invariant_rec_p (CHREC_RIGHT (chrec),
- loopnum)
- || !evolution_function_is_invariant_rec_p (CHREC_LEFT (chrec),
- loopnum))
- return false;
- return true;
- }
-
- switch (TREE_OPERAND_LENGTH (chrec))
- {
- case 2:
- if (!evolution_function_is_invariant_rec_p (TREE_OPERAND (chrec, 1),
- loopnum))
- return false;
- /* FALLTHRU */
-
- case 1:
- if (!evolution_function_is_invariant_rec_p (TREE_OPERAND (chrec, 0),
- loopnum))
- return false;
- return true;
-
- default:
- return false;
- }
-}
-
-/* Return true if CHREC is invariant in loop LOOPNUM, false otherwise. */
-
-bool
-evolution_function_is_invariant_p (tree chrec, int loopnum)
-{
- return evolution_function_is_invariant_rec_p (chrec, loopnum);
-}
-
-/* Determine whether the given tree is an affine multivariate
- evolution. */
-
-bool
-evolution_function_is_affine_multivariate_p (const_tree chrec, int loopnum)
-{
- if (chrec == NULL_TREE)
- return false;
-
- switch (TREE_CODE (chrec))
- {
- case POLYNOMIAL_CHREC:
- if (evolution_function_is_invariant_rec_p (CHREC_LEFT (chrec), loopnum))
- {
- if (evolution_function_is_invariant_rec_p (CHREC_RIGHT (chrec), loopnum))
- return true;
- else
- {
- if (TREE_CODE (CHREC_RIGHT (chrec)) == POLYNOMIAL_CHREC
- && CHREC_VARIABLE (CHREC_RIGHT (chrec))
- != CHREC_VARIABLE (chrec)
- && evolution_function_is_affine_multivariate_p
- (CHREC_RIGHT (chrec), loopnum))
- return true;
- else
- return false;
- }
- }
- else
- {
- if (evolution_function_is_invariant_rec_p (CHREC_RIGHT (chrec), loopnum)
- && TREE_CODE (CHREC_LEFT (chrec)) == POLYNOMIAL_CHREC
- && CHREC_VARIABLE (CHREC_LEFT (chrec)) != CHREC_VARIABLE (chrec)
- && evolution_function_is_affine_multivariate_p
- (CHREC_LEFT (chrec), loopnum))
- return true;
- else
- return false;
- }
-
- default:
- return false;
- }
-}
-
-/* Determine whether the given tree is a function in zero or one
- variables with respect to loop specified by LOOPNUM. Note only positive
- LOOPNUM stands for a real loop. */
-
-bool
-evolution_function_is_univariate_p (const_tree chrec, int loopnum)
-{
- if (chrec == NULL_TREE)
- return true;
-
- tree sub_chrec;
- switch (TREE_CODE (chrec))
- {
- case POLYNOMIAL_CHREC:
- switch (TREE_CODE (CHREC_LEFT (chrec)))
- {
- case POLYNOMIAL_CHREC:
- sub_chrec = CHREC_LEFT (chrec);
- if (CHREC_VARIABLE (chrec) != CHREC_VARIABLE (sub_chrec)
- && (loopnum <= 0
- || CHREC_VARIABLE (sub_chrec) == (unsigned) loopnum
- || flow_loop_nested_p (get_loop (cfun, loopnum),
- get_chrec_loop (sub_chrec))))
- return false;
- if (!evolution_function_is_univariate_p (sub_chrec, loopnum))
- return false;
- break;
-
- default:
- if (tree_contains_chrecs (CHREC_LEFT (chrec), NULL))
- return false;
- break;
- }
-
- switch (TREE_CODE (CHREC_RIGHT (chrec)))
- {
- case POLYNOMIAL_CHREC:
- sub_chrec = CHREC_RIGHT (chrec);
- if (CHREC_VARIABLE (chrec) != CHREC_VARIABLE (sub_chrec)
- && (loopnum <= 0
- || CHREC_VARIABLE (sub_chrec) == (unsigned) loopnum
- || flow_loop_nested_p (get_loop (cfun, loopnum),
- get_chrec_loop (sub_chrec))))
- return false;
- if (!evolution_function_is_univariate_p (sub_chrec, loopnum))
- return false;
- break;
-
- default:
- if (tree_contains_chrecs (CHREC_RIGHT (chrec), NULL))
- return false;
- break;
- }
- return true;
-
- default:
- return true;
- }
-}
-
-/* Returns the number of variables of CHREC. Example: the call
- nb_vars_in_chrec ({{0, +, 1}_5, +, 2}_6) returns 2. */
-
-unsigned
-nb_vars_in_chrec (tree chrec)
-{
- if (chrec == NULL_TREE)
- return 0;
-
- switch (TREE_CODE (chrec))
- {
- case POLYNOMIAL_CHREC:
- return 1 + nb_vars_in_chrec
- (initial_condition_in_loop_num (chrec, CHREC_VARIABLE (chrec)));
-
- default:
- return 0;
- }
-}
-
-/* Converts BASE and STEP of affine scev to TYPE. LOOP is the loop whose iv
- the scev corresponds to. AT_STMT is the statement at that the scev is
- evaluated. USE_OVERFLOW_SEMANTICS is true if this function should assume
- that the rules for overflow of the given language apply (e.g., that signed
- arithmetics in C does not overflow) -- i.e., to use them to avoid
- unnecessary tests, but also to enforce that the result follows them.
- FROM is the source variable converted if it's not NULL. Returns true if
- the conversion succeeded, false otherwise. */
-
-bool
-convert_affine_scev (class loop *loop, tree type,
- tree *base, tree *step, gimple *at_stmt,
- bool use_overflow_semantics, tree from)
-{
- tree ct = TREE_TYPE (*step);
- bool enforce_overflow_semantics;
- bool must_check_src_overflow, must_check_rslt_overflow;
- tree new_base, new_step;
- tree step_type = POINTER_TYPE_P (type) ? sizetype : type;
-
- /* In general,
- (TYPE) (BASE + STEP * i) = (TYPE) BASE + (TYPE -- sign extend) STEP * i,
- but we must check some assumptions.
-
- 1) If [BASE, +, STEP] wraps, the equation is not valid when precision
- of CT is smaller than the precision of TYPE. For example, when we
- cast unsigned char [254, +, 1] to unsigned, the values on left side
- are 254, 255, 0, 1, ..., but those on the right side are
- 254, 255, 256, 257, ...
- 2) In case that we must also preserve the fact that signed ivs do not
- overflow, we must additionally check that the new iv does not wrap.
- For example, unsigned char [125, +, 1] casted to signed char could
- become a wrapping variable with values 125, 126, 127, -128, -127, ...,
- which would confuse optimizers that assume that this does not
- happen. */
- must_check_src_overflow = TYPE_PRECISION (ct) < TYPE_PRECISION (type);
-
- enforce_overflow_semantics = (use_overflow_semantics
- && nowrap_type_p (type));
- if (enforce_overflow_semantics)
- {
- /* We can avoid checking whether the result overflows in the following
- cases:
-
- -- must_check_src_overflow is true, and the range of TYPE is superset
- of the range of CT -- i.e., in all cases except if CT signed and
- TYPE unsigned.
- -- both CT and TYPE have the same precision and signedness, and we
- verify instead that the source does not overflow (this may be
- easier than verifying it for the result, as we may use the
- information about the semantics of overflow in CT). */
- if (must_check_src_overflow)
- {
- if (TYPE_UNSIGNED (type) && !TYPE_UNSIGNED (ct))
- must_check_rslt_overflow = true;
- else
- must_check_rslt_overflow = false;
- }
- else if (TYPE_UNSIGNED (ct) == TYPE_UNSIGNED (type)
- && TYPE_PRECISION (ct) == TYPE_PRECISION (type))
- {
- must_check_rslt_overflow = false;
- must_check_src_overflow = true;
- }
- else
- must_check_rslt_overflow = true;
- }
- else
- must_check_rslt_overflow = false;
-
- if (must_check_src_overflow
- && scev_probably_wraps_p (from, *base, *step, at_stmt, loop,
- use_overflow_semantics))
- return false;
-
- new_base = chrec_convert (type, *base, at_stmt, use_overflow_semantics);
- /* The step must be sign extended, regardless of the signedness
- of CT and TYPE. This only needs to be handled specially when
- CT is unsigned -- to avoid e.g. unsigned char [100, +, 255]
- (with values 100, 99, 98, ...) from becoming signed or unsigned
- [100, +, 255] with values 100, 355, ...; the sign-extension is
- performed by default when CT is signed. */
- new_step = *step;
- if (TYPE_PRECISION (step_type) > TYPE_PRECISION (ct) && TYPE_UNSIGNED (ct))
- {
- tree signed_ct = build_nonstandard_integer_type (TYPE_PRECISION (ct), 0);
- new_step = chrec_convert (signed_ct, new_step, at_stmt,
- use_overflow_semantics);
- }
- new_step = chrec_convert (step_type, new_step, at_stmt,
- use_overflow_semantics);
-
- if (automatically_generated_chrec_p (new_base)
- || automatically_generated_chrec_p (new_step))
- return false;
-
- if (must_check_rslt_overflow
- /* Note that in this case we cannot use the fact that signed variables
- do not overflow, as this is what we are verifying for the new iv. */
- && scev_probably_wraps_p (NULL_TREE, new_base, new_step,
- at_stmt, loop, false))
- return false;
-
- *base = new_base;
- *step = new_step;
- return true;
-}
-
-
-/* Convert CHREC for the right hand side of a CHREC.
- The increment for a pointer type is always sizetype. */
-
-tree
-chrec_convert_rhs (tree type, tree chrec, gimple *at_stmt)
-{
- if (POINTER_TYPE_P (type))
- type = sizetype;
-
- return chrec_convert (type, chrec, at_stmt);
-}
-
-/* Convert CHREC to TYPE. When the analyzer knows the context in
- which the CHREC is built, it sets AT_STMT to the statement that
- contains the definition of the analyzed variable, otherwise the
- conversion is less accurate: the information is used for
- determining a more accurate estimation of the number of iterations.
- By default AT_STMT could be safely set to NULL_TREE.
-
- USE_OVERFLOW_SEMANTICS is true if this function should assume that
- the rules for overflow of the given language apply (e.g., that signed
- arithmetics in C does not overflow) -- i.e., to use them to avoid
- unnecessary tests, but also to enforce that the result follows them.
-
- FROM is the source variable converted if it's not NULL. */
-
-static tree
-chrec_convert_1 (tree type, tree chrec, gimple *at_stmt,
- bool use_overflow_semantics, tree from)
-{
- tree ct, res;
- tree base, step;
- class loop *loop;
-
- if (automatically_generated_chrec_p (chrec))
- return chrec;
-
- ct = chrec_type (chrec);
- if (useless_type_conversion_p (type, ct))
- return chrec;
-
- if (!evolution_function_is_affine_p (chrec))
- goto keep_cast;
-
- loop = get_chrec_loop (chrec);
- base = CHREC_LEFT (chrec);
- step = CHREC_RIGHT (chrec);
-
- if (convert_affine_scev (loop, type, &base, &step, at_stmt,
- use_overflow_semantics, from))
- return build_polynomial_chrec (loop->num, base, step);
-
- /* If we cannot propagate the cast inside the chrec, just keep the cast. */
-keep_cast:
- /* Fold will not canonicalize (long)(i - 1) to (long)i - 1 because that
- may be more expensive. We do want to perform this optimization here
- though for canonicalization reasons. */
- if (use_overflow_semantics
- && (TREE_CODE (chrec) == PLUS_EXPR
- || TREE_CODE (chrec) == MINUS_EXPR)
- && TREE_CODE (type) == INTEGER_TYPE
- && TREE_CODE (ct) == INTEGER_TYPE
- && TYPE_PRECISION (type) > TYPE_PRECISION (ct)
- && TYPE_OVERFLOW_UNDEFINED (ct))
- res = fold_build2 (TREE_CODE (chrec), type,
- fold_convert (type, TREE_OPERAND (chrec, 0)),
- fold_convert (type, TREE_OPERAND (chrec, 1)));
- /* Similar perform the trick that (signed char)((int)x + 2) can be
- narrowed to (signed char)((unsigned char)x + 2). */
- else if (use_overflow_semantics
- && TREE_CODE (chrec) == POLYNOMIAL_CHREC
- && TREE_CODE (ct) == INTEGER_TYPE
- && TREE_CODE (type) == INTEGER_TYPE
- && TYPE_OVERFLOW_UNDEFINED (type)
- && TYPE_PRECISION (type) < TYPE_PRECISION (ct))
- {
- tree utype = unsigned_type_for (type);
- res = build_polynomial_chrec (CHREC_VARIABLE (chrec),
- fold_convert (utype,
- CHREC_LEFT (chrec)),
- fold_convert (utype,
- CHREC_RIGHT (chrec)));
- res = chrec_convert_1 (type, res, at_stmt, use_overflow_semantics, from);
- }
- else
- res = fold_convert (type, chrec);
-
- /* Don't propagate overflows. */
- if (CONSTANT_CLASS_P (res))
- TREE_OVERFLOW (res) = 0;
-
- /* But reject constants that don't fit in their type after conversion.
- This can happen if TYPE_MIN_VALUE or TYPE_MAX_VALUE are not the
- natural values associated with TYPE_PRECISION and TYPE_UNSIGNED,
- and can cause problems later when computing niters of loops. Note
- that we don't do the check before converting because we don't want
- to reject conversions of negative chrecs to unsigned types. */
- if (TREE_CODE (res) == INTEGER_CST
- && TREE_CODE (type) == INTEGER_TYPE
- && !int_fits_type_p (res, type))
- res = chrec_dont_know;
-
- return res;
-}
-
-/* Convert CHREC to TYPE. When the analyzer knows the context in
- which the CHREC is built, it sets AT_STMT to the statement that
- contains the definition of the analyzed variable, otherwise the
- conversion is less accurate: the information is used for
- determining a more accurate estimation of the number of iterations.
- By default AT_STMT could be safely set to NULL_TREE.
-
- The following rule is always true: TREE_TYPE (chrec) ==
- TREE_TYPE (CHREC_LEFT (chrec)) == TREE_TYPE (CHREC_RIGHT (chrec)).
- An example of what could happen when adding two chrecs and the type
- of the CHREC_RIGHT is different than CHREC_LEFT is:
-
- {(uint) 0, +, (uchar) 10} +
- {(uint) 0, +, (uchar) 250}
-
- that would produce a wrong result if CHREC_RIGHT is not (uint):
-
- {(uint) 0, +, (uchar) 4}
-
- instead of
-
- {(uint) 0, +, (uint) 260}
-
- USE_OVERFLOW_SEMANTICS is true if this function should assume that
- the rules for overflow of the given language apply (e.g., that signed
- arithmetics in C does not overflow) -- i.e., to use them to avoid
- unnecessary tests, but also to enforce that the result follows them.
-
- FROM is the source variable converted if it's not NULL. */
-
-tree
-chrec_convert (tree type, tree chrec, gimple *at_stmt,
- bool use_overflow_semantics, tree from)
-{
- return chrec_convert_1 (type, chrec, at_stmt, use_overflow_semantics, from);
-}
-
-/* Convert CHREC to TYPE, without regard to signed overflows. Returns the new
- chrec if something else than what chrec_convert would do happens, NULL_TREE
- otherwise. This function set TRUE to variable pointed by FOLD_CONVERSIONS
- if the result chrec may overflow. */
-
-tree
-chrec_convert_aggressive (tree type, tree chrec, bool *fold_conversions)
-{
- tree inner_type, left, right, lc, rc, rtype;
-
- gcc_assert (fold_conversions != NULL);
-
- if (automatically_generated_chrec_p (chrec)
- || TREE_CODE (chrec) != POLYNOMIAL_CHREC)
- return NULL_TREE;
-
- inner_type = TREE_TYPE (chrec);
- if (TYPE_PRECISION (type) > TYPE_PRECISION (inner_type))
- return NULL_TREE;
-
- if (useless_type_conversion_p (type, inner_type))
- return NULL_TREE;
-
- if (!*fold_conversions && evolution_function_is_affine_p (chrec))
- {
- tree base, step;
- class loop *loop;
-
- loop = get_chrec_loop (chrec);
- base = CHREC_LEFT (chrec);
- step = CHREC_RIGHT (chrec);
- if (convert_affine_scev (loop, type, &base, &step, NULL, true))
- return build_polynomial_chrec (loop->num, base, step);
- }
- rtype = POINTER_TYPE_P (type) ? sizetype : type;
-
- left = CHREC_LEFT (chrec);
- right = CHREC_RIGHT (chrec);
- lc = chrec_convert_aggressive (type, left, fold_conversions);
- if (!lc)
- lc = chrec_convert (type, left, NULL);
- rc = chrec_convert_aggressive (rtype, right, fold_conversions);
- if (!rc)
- rc = chrec_convert (rtype, right, NULL);
-
- *fold_conversions = true;
-
- return build_polynomial_chrec (CHREC_VARIABLE (chrec), lc, rc);
-}
-
-/* Returns true when CHREC0 == CHREC1. */
-
-bool
-eq_evolutions_p (const_tree chrec0, const_tree chrec1)
-{
- if (chrec0 == NULL_TREE
- || chrec1 == NULL_TREE
- || TREE_CODE (chrec0) != TREE_CODE (chrec1))
- return false;
-
- if (chrec0 == chrec1)
- return true;
-
- if (! types_compatible_p (TREE_TYPE (chrec0), TREE_TYPE (chrec1)))
- return false;
-
- switch (TREE_CODE (chrec0))
- {
- case POLYNOMIAL_CHREC:
- return (CHREC_VARIABLE (chrec0) == CHREC_VARIABLE (chrec1)
- && eq_evolutions_p (CHREC_LEFT (chrec0), CHREC_LEFT (chrec1))
- && eq_evolutions_p (CHREC_RIGHT (chrec0), CHREC_RIGHT (chrec1)));
-
- case PLUS_EXPR:
- case MULT_EXPR:
- case MINUS_EXPR:
- case POINTER_PLUS_EXPR:
- return eq_evolutions_p (TREE_OPERAND (chrec0, 0),
- TREE_OPERAND (chrec1, 0))
- && eq_evolutions_p (TREE_OPERAND (chrec0, 1),
- TREE_OPERAND (chrec1, 1));
-
- CASE_CONVERT:
- return eq_evolutions_p (TREE_OPERAND (chrec0, 0),
- TREE_OPERAND (chrec1, 0));
-
- default:
- return operand_equal_p (chrec0, chrec1, 0);
- }
-}
-
-/* Returns EV_GROWS if CHREC grows (assuming that it does not overflow),
- EV_DECREASES if it decreases, and EV_UNKNOWN if we cannot determine
- which of these cases happens. */
-
-enum ev_direction
-scev_direction (const_tree chrec)
-{
- const_tree step;
-
- if (!evolution_function_is_affine_p (chrec))
- return EV_DIR_UNKNOWN;
-
- step = CHREC_RIGHT (chrec);
- if (TREE_CODE (step) != INTEGER_CST)
- return EV_DIR_UNKNOWN;
-
- if (tree_int_cst_sign_bit (step))
- return EV_DIR_DECREASES;
- else
- return EV_DIR_GROWS;
-}
-
-/* Iterates over all the components of SCEV, and calls CBCK. */
-
-void
-for_each_scev_op (tree *scev, bool (*cbck) (tree *, void *), void *data)
-{
- switch (TREE_CODE_LENGTH (TREE_CODE (*scev)))
- {
- case 3:
- for_each_scev_op (&TREE_OPERAND (*scev, 2), cbck, data);
- /* FALLTHRU */
-
- case 2:
- for_each_scev_op (&TREE_OPERAND (*scev, 1), cbck, data);
- /* FALLTHRU */
-
- case 1:
- for_each_scev_op (&TREE_OPERAND (*scev, 0), cbck, data);
- /* FALLTHRU */
-
- default:
- cbck (scev, data);
- break;
- }
-}
-
-/* Returns true when the operation can be part of a linear
- expression. */
-
-static inline bool
-operator_is_linear (tree scev)
-{
- switch (TREE_CODE (scev))
- {
- case INTEGER_CST:
- case POLYNOMIAL_CHREC:
- case PLUS_EXPR:
- case POINTER_PLUS_EXPR:
- case MULT_EXPR:
- case MINUS_EXPR:
- case NEGATE_EXPR:
- case SSA_NAME:
- case NON_LVALUE_EXPR:
- case BIT_NOT_EXPR:
- CASE_CONVERT:
- return true;
-
- default:
- return false;
- }
-}
-
-/* Return true when SCEV is a linear expression. Linear expressions
- can contain additions, substractions and multiplications.
- Multiplications are restricted to constant scaling: "cst * x". */
-
-bool
-scev_is_linear_expression (tree scev)
-{
- if (evolution_function_is_constant_p (scev))
- return true;
-
- if (scev == NULL
- || !operator_is_linear (scev))
- return false;
-
- if (TREE_CODE (scev) == MULT_EXPR)
- return !(tree_contains_chrecs (TREE_OPERAND (scev, 0), NULL)
- && tree_contains_chrecs (TREE_OPERAND (scev, 1), NULL));
-
- if (TREE_CODE (scev) == POLYNOMIAL_CHREC
- && !evolution_function_is_affine_multivariate_p (scev, CHREC_VARIABLE (scev)))
- return false;
-
- switch (TREE_CODE_LENGTH (TREE_CODE (scev)))
- {
- case 3:
- return scev_is_linear_expression (TREE_OPERAND (scev, 0))
- && scev_is_linear_expression (TREE_OPERAND (scev, 1))
- && scev_is_linear_expression (TREE_OPERAND (scev, 2));
-
- case 2:
- return scev_is_linear_expression (TREE_OPERAND (scev, 0))
- && scev_is_linear_expression (TREE_OPERAND (scev, 1));
-
- case 1:
- return scev_is_linear_expression (TREE_OPERAND (scev, 0));
-
- case 0:
- return true;
-
- default:
- return false;
- }
-}
-
-/* Determines whether the expression CHREC contains only interger consts
- in the right parts. */
-
-bool
-evolution_function_right_is_integer_cst (const_tree chrec)
-{
- if (chrec == NULL_TREE)
- return false;
-
- switch (TREE_CODE (chrec))
- {
- case INTEGER_CST:
- return true;
-
- case POLYNOMIAL_CHREC:
- return TREE_CODE (CHREC_RIGHT (chrec)) == INTEGER_CST
- && (TREE_CODE (CHREC_LEFT (chrec)) != POLYNOMIAL_CHREC
- || evolution_function_right_is_integer_cst (CHREC_LEFT (chrec)));
-
- CASE_CONVERT:
- return evolution_function_right_is_integer_cst (TREE_OPERAND (chrec, 0));
-
- default:
- return false;
- }
-}