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gcc/ada/ChangeLog:
* adadecode.c: Moved to...
* adadecode.cc: ...here.
* affinity.c: Moved to...
* affinity.cc: ...here.
* argv-lynxos178-raven-cert.c: Moved to...
* argv-lynxos178-raven-cert.cc: ...here.
* argv.c: Moved to...
* argv.cc: ...here.
* aux-io.c: Moved to...
* aux-io.cc: ...here.
* cio.c: Moved to...
* cio.cc: ...here.
* cstreams.c: Moved to...
* cstreams.cc: ...here.
* env.c: Moved to...
* env.cc: ...here.
* exit.c: Moved to...
* exit.cc: ...here.
* expect.c: Moved to...
* expect.cc: ...here.
* final.c: Moved to...
* final.cc: ...here.
* gcc-interface/cuintp.c: Moved to...
* gcc-interface/cuintp.cc: ...here.
* gcc-interface/decl.c: Moved to...
* gcc-interface/decl.cc: ...here.
* gcc-interface/misc.c: Moved to...
* gcc-interface/misc.cc: ...here.
* gcc-interface/targtyps.c: Moved to...
* gcc-interface/targtyps.cc: ...here.
* gcc-interface/trans.c: Moved to...
* gcc-interface/trans.cc: ...here.
* gcc-interface/utils.c: Moved to...
* gcc-interface/utils.cc: ...here.
* gcc-interface/utils2.c: Moved to...
* gcc-interface/utils2.cc: ...here.
* init.c: Moved to...
* init.cc: ...here.
* initialize.c: Moved to...
* initialize.cc: ...here.
* libgnarl/thread.c: Moved to...
* libgnarl/thread.cc: ...here.
* link.c: Moved to...
* link.cc: ...here.
* locales.c: Moved to...
* locales.cc: ...here.
* mkdir.c: Moved to...
* mkdir.cc: ...here.
* raise.c: Moved to...
* raise.cc: ...here.
* rtfinal.c: Moved to...
* rtfinal.cc: ...here.
* rtinit.c: Moved to...
* rtinit.cc: ...here.
* seh_init.c: Moved to...
* seh_init.cc: ...here.
* sigtramp-armdroid.c: Moved to...
* sigtramp-armdroid.cc: ...here.
* sigtramp-ios.c: Moved to...
* sigtramp-ios.cc: ...here.
* sigtramp-qnx.c: Moved to...
* sigtramp-qnx.cc: ...here.
* sigtramp-vxworks.c: Moved to...
* sigtramp-vxworks.cc: ...here.
* socket.c: Moved to...
* socket.cc: ...here.
* tracebak.c: Moved to...
* tracebak.cc: ...here.
* version.c: Moved to...
* version.cc: ...here.
* vx_stack_info.c: Moved to...
* vx_stack_info.cc: ...here.
gcc/ChangeLog:
* adjust-alignment.c: Moved to...
* adjust-alignment.cc: ...here.
* alias.c: Moved to...
* alias.cc: ...here.
* alloc-pool.c: Moved to...
* alloc-pool.cc: ...here.
* asan.c: Moved to...
* asan.cc: ...here.
* attribs.c: Moved to...
* attribs.cc: ...here.
* auto-inc-dec.c: Moved to...
* auto-inc-dec.cc: ...here.
* auto-profile.c: Moved to...
* auto-profile.cc: ...here.
* bb-reorder.c: Moved to...
* bb-reorder.cc: ...here.
* bitmap.c: Moved to...
* bitmap.cc: ...here.
* btfout.c: Moved to...
* btfout.cc: ...here.
* builtins.c: Moved to...
* builtins.cc: ...here.
* caller-save.c: Moved to...
* caller-save.cc: ...here.
* calls.c: Moved to...
* calls.cc: ...here.
* ccmp.c: Moved to...
* ccmp.cc: ...here.
* cfg.c: Moved to...
* cfg.cc: ...here.
* cfganal.c: Moved to...
* cfganal.cc: ...here.
* cfgbuild.c: Moved to...
* cfgbuild.cc: ...here.
* cfgcleanup.c: Moved to...
* cfgcleanup.cc: ...here.
* cfgexpand.c: Moved to...
* cfgexpand.cc: ...here.
* cfghooks.c: Moved to...
* cfghooks.cc: ...here.
* cfgloop.c: Moved to...
* cfgloop.cc: ...here.
* cfgloopanal.c: Moved to...
* cfgloopanal.cc: ...here.
* cfgloopmanip.c: Moved to...
* cfgloopmanip.cc: ...here.
* cfgrtl.c: Moved to...
* cfgrtl.cc: ...here.
* cgraph.c: Moved to...
* cgraph.cc: ...here.
* cgraphbuild.c: Moved to...
* cgraphbuild.cc: ...here.
* cgraphclones.c: Moved to...
* cgraphclones.cc: ...here.
* cgraphunit.c: Moved to...
* cgraphunit.cc: ...here.
* collect-utils.c: Moved to...
* collect-utils.cc: ...here.
* collect2-aix.c: Moved to...
* collect2-aix.cc: ...here.
* collect2.c: Moved to...
* collect2.cc: ...here.
* combine-stack-adj.c: Moved to...
* combine-stack-adj.cc: ...here.
* combine.c: Moved to...
* combine.cc: ...here.
* common/common-targhooks.c: Moved to...
* common/common-targhooks.cc: ...here.
* common/config/aarch64/aarch64-common.c: Moved to...
* common/config/aarch64/aarch64-common.cc: ...here.
* common/config/alpha/alpha-common.c: Moved to...
* common/config/alpha/alpha-common.cc: ...here.
* common/config/arc/arc-common.c: Moved to...
* common/config/arc/arc-common.cc: ...here.
* common/config/arm/arm-common.c: Moved to...
* common/config/arm/arm-common.cc: ...here.
* common/config/avr/avr-common.c: Moved to...
* common/config/avr/avr-common.cc: ...here.
* common/config/bfin/bfin-common.c: Moved to...
* common/config/bfin/bfin-common.cc: ...here.
* common/config/bpf/bpf-common.c: Moved to...
* common/config/bpf/bpf-common.cc: ...here.
* common/config/c6x/c6x-common.c: Moved to...
* common/config/c6x/c6x-common.cc: ...here.
* common/config/cr16/cr16-common.c: Moved to...
* common/config/cr16/cr16-common.cc: ...here.
* common/config/cris/cris-common.c: Moved to...
* common/config/cris/cris-common.cc: ...here.
* common/config/csky/csky-common.c: Moved to...
* common/config/csky/csky-common.cc: ...here.
* common/config/default-common.c: Moved to...
* common/config/default-common.cc: ...here.
* common/config/epiphany/epiphany-common.c: Moved to...
* common/config/epiphany/epiphany-common.cc: ...here.
* common/config/fr30/fr30-common.c: Moved to...
* common/config/fr30/fr30-common.cc: ...here.
* common/config/frv/frv-common.c: Moved to...
* common/config/frv/frv-common.cc: ...here.
* common/config/gcn/gcn-common.c: Moved to...
* common/config/gcn/gcn-common.cc: ...here.
* common/config/h8300/h8300-common.c: Moved to...
* common/config/h8300/h8300-common.cc: ...here.
* common/config/i386/i386-common.c: Moved to...
* common/config/i386/i386-common.cc: ...here.
* common/config/ia64/ia64-common.c: Moved to...
* common/config/ia64/ia64-common.cc: ...here.
* common/config/iq2000/iq2000-common.c: Moved to...
* common/config/iq2000/iq2000-common.cc: ...here.
* common/config/lm32/lm32-common.c: Moved to...
* common/config/lm32/lm32-common.cc: ...here.
* common/config/m32r/m32r-common.c: Moved to...
* common/config/m32r/m32r-common.cc: ...here.
* common/config/m68k/m68k-common.c: Moved to...
* common/config/m68k/m68k-common.cc: ...here.
* common/config/mcore/mcore-common.c: Moved to...
* common/config/mcore/mcore-common.cc: ...here.
* common/config/microblaze/microblaze-common.c: Moved to...
* common/config/microblaze/microblaze-common.cc: ...here.
* common/config/mips/mips-common.c: Moved to...
* common/config/mips/mips-common.cc: ...here.
* common/config/mmix/mmix-common.c: Moved to...
* common/config/mmix/mmix-common.cc: ...here.
* common/config/mn10300/mn10300-common.c: Moved to...
* common/config/mn10300/mn10300-common.cc: ...here.
* common/config/msp430/msp430-common.c: Moved to...
* common/config/msp430/msp430-common.cc: ...here.
* common/config/nds32/nds32-common.c: Moved to...
* common/config/nds32/nds32-common.cc: ...here.
* common/config/nios2/nios2-common.c: Moved to...
* common/config/nios2/nios2-common.cc: ...here.
* common/config/nvptx/nvptx-common.c: Moved to...
* common/config/nvptx/nvptx-common.cc: ...here.
* common/config/or1k/or1k-common.c: Moved to...
* common/config/or1k/or1k-common.cc: ...here.
* common/config/pa/pa-common.c: Moved to...
* common/config/pa/pa-common.cc: ...here.
* common/config/pdp11/pdp11-common.c: Moved to...
* common/config/pdp11/pdp11-common.cc: ...here.
* common/config/pru/pru-common.c: Moved to...
* common/config/pru/pru-common.cc: ...here.
* common/config/riscv/riscv-common.c: Moved to...
* common/config/riscv/riscv-common.cc: ...here.
* common/config/rs6000/rs6000-common.c: Moved to...
* common/config/rs6000/rs6000-common.cc: ...here.
* common/config/rx/rx-common.c: Moved to...
* common/config/rx/rx-common.cc: ...here.
* common/config/s390/s390-common.c: Moved to...
* common/config/s390/s390-common.cc: ...here.
* common/config/sh/sh-common.c: Moved to...
* common/config/sh/sh-common.cc: ...here.
* common/config/sparc/sparc-common.c: Moved to...
* common/config/sparc/sparc-common.cc: ...here.
* common/config/tilegx/tilegx-common.c: Moved to...
* common/config/tilegx/tilegx-common.cc: ...here.
* common/config/tilepro/tilepro-common.c: Moved to...
* common/config/tilepro/tilepro-common.cc: ...here.
* common/config/v850/v850-common.c: Moved to...
* common/config/v850/v850-common.cc: ...here.
* common/config/vax/vax-common.c: Moved to...
* common/config/vax/vax-common.cc: ...here.
* common/config/visium/visium-common.c: Moved to...
* common/config/visium/visium-common.cc: ...here.
* common/config/xstormy16/xstormy16-common.c: Moved to...
* common/config/xstormy16/xstormy16-common.cc: ...here.
* common/config/xtensa/xtensa-common.c: Moved to...
* common/config/xtensa/xtensa-common.cc: ...here.
* compare-elim.c: Moved to...
* compare-elim.cc: ...here.
* config/aarch64/aarch64-bti-insert.c: Moved to...
* config/aarch64/aarch64-bti-insert.cc: ...here.
* config/aarch64/aarch64-builtins.c: Moved to...
* config/aarch64/aarch64-builtins.cc: ...here.
* config/aarch64/aarch64-c.c: Moved to...
* config/aarch64/aarch64-c.cc: ...here.
* config/aarch64/aarch64-d.c: Moved to...
* config/aarch64/aarch64-d.cc: ...here.
* config/aarch64/aarch64.c: Moved to...
* config/aarch64/aarch64.cc: ...here.
* config/aarch64/cortex-a57-fma-steering.c: Moved to...
* config/aarch64/cortex-a57-fma-steering.cc: ...here.
* config/aarch64/driver-aarch64.c: Moved to...
* config/aarch64/driver-aarch64.cc: ...here.
* config/aarch64/falkor-tag-collision-avoidance.c: Moved to...
* config/aarch64/falkor-tag-collision-avoidance.cc: ...here.
* config/aarch64/host-aarch64-darwin.c: Moved to...
* config/aarch64/host-aarch64-darwin.cc: ...here.
* config/alpha/alpha.c: Moved to...
* config/alpha/alpha.cc: ...here.
* config/alpha/driver-alpha.c: Moved to...
* config/alpha/driver-alpha.cc: ...here.
* config/arc/arc-c.c: Moved to...
* config/arc/arc-c.cc: ...here.
* config/arc/arc.c: Moved to...
* config/arc/arc.cc: ...here.
* config/arc/driver-arc.c: Moved to...
* config/arc/driver-arc.cc: ...here.
* config/arm/aarch-common.c: Moved to...
* config/arm/aarch-common.cc: ...here.
* config/arm/arm-builtins.c: Moved to...
* config/arm/arm-builtins.cc: ...here.
* config/arm/arm-c.c: Moved to...
* config/arm/arm-c.cc: ...here.
* config/arm/arm-d.c: Moved to...
* config/arm/arm-d.cc: ...here.
* config/arm/arm.c: Moved to...
* config/arm/arm.cc: ...here.
* config/arm/driver-arm.c: Moved to...
* config/arm/driver-arm.cc: ...here.
* config/avr/avr-c.c: Moved to...
* config/avr/avr-c.cc: ...here.
* config/avr/avr-devices.c: Moved to...
* config/avr/avr-devices.cc: ...here.
* config/avr/avr-log.c: Moved to...
* config/avr/avr-log.cc: ...here.
* config/avr/avr.c: Moved to...
* config/avr/avr.cc: ...here.
* config/avr/driver-avr.c: Moved to...
* config/avr/driver-avr.cc: ...here.
* config/avr/gen-avr-mmcu-specs.c: Moved to...
* config/avr/gen-avr-mmcu-specs.cc: ...here.
* config/avr/gen-avr-mmcu-texi.c: Moved to...
* config/avr/gen-avr-mmcu-texi.cc: ...here.
* config/bfin/bfin.c: Moved to...
* config/bfin/bfin.cc: ...here.
* config/bpf/bpf.c: Moved to...
* config/bpf/bpf.cc: ...here.
* config/bpf/coreout.c: Moved to...
* config/bpf/coreout.cc: ...here.
* config/c6x/c6x.c: Moved to...
* config/c6x/c6x.cc: ...here.
* config/cr16/cr16.c: Moved to...
* config/cr16/cr16.cc: ...here.
* config/cris/cris.c: Moved to...
* config/cris/cris.cc: ...here.
* config/csky/csky.c: Moved to...
* config/csky/csky.cc: ...here.
* config/darwin-c.c: Moved to...
* config/darwin-c.cc: ...here.
* config/darwin-d.c: Moved to...
* config/darwin-d.cc: ...here.
* config/darwin-driver.c: Moved to...
* config/darwin-driver.cc: ...here.
* config/darwin-f.c: Moved to...
* config/darwin-f.cc: ...here.
* config/darwin.c: Moved to...
* config/darwin.cc: ...here.
* config/default-c.c: Moved to...
* config/default-c.cc: ...here.
* config/default-d.c: Moved to...
* config/default-d.cc: ...here.
* config/dragonfly-d.c: Moved to...
* config/dragonfly-d.cc: ...here.
* config/epiphany/epiphany.c: Moved to...
* config/epiphany/epiphany.cc: ...here.
* config/epiphany/mode-switch-use.c: Moved to...
* config/epiphany/mode-switch-use.cc: ...here.
* config/epiphany/resolve-sw-modes.c: Moved to...
* config/epiphany/resolve-sw-modes.cc: ...here.
* config/fr30/fr30.c: Moved to...
* config/fr30/fr30.cc: ...here.
* config/freebsd-d.c: Moved to...
* config/freebsd-d.cc: ...here.
* config/frv/frv.c: Moved to...
* config/frv/frv.cc: ...here.
* config/ft32/ft32.c: Moved to...
* config/ft32/ft32.cc: ...here.
* config/gcn/driver-gcn.c: Moved to...
* config/gcn/driver-gcn.cc: ...here.
* config/gcn/gcn-run.c: Moved to...
* config/gcn/gcn-run.cc: ...here.
* config/gcn/gcn-tree.c: Moved to...
* config/gcn/gcn-tree.cc: ...here.
* config/gcn/gcn.c: Moved to...
* config/gcn/gcn.cc: ...here.
* config/gcn/mkoffload.c: Moved to...
* config/gcn/mkoffload.cc: ...here.
* config/glibc-c.c: Moved to...
* config/glibc-c.cc: ...here.
* config/glibc-d.c: Moved to...
* config/glibc-d.cc: ...here.
* config/h8300/h8300.c: Moved to...
* config/h8300/h8300.cc: ...here.
* config/host-darwin.c: Moved to...
* config/host-darwin.cc: ...here.
* config/host-hpux.c: Moved to...
* config/host-hpux.cc: ...here.
* config/host-linux.c: Moved to...
* config/host-linux.cc: ...here.
* config/host-netbsd.c: Moved to...
* config/host-netbsd.cc: ...here.
* config/host-openbsd.c: Moved to...
* config/host-openbsd.cc: ...here.
* config/host-solaris.c: Moved to...
* config/host-solaris.cc: ...here.
* config/i386/djgpp.c: Moved to...
* config/i386/djgpp.cc: ...here.
* config/i386/driver-i386.c: Moved to...
* config/i386/driver-i386.cc: ...here.
* config/i386/driver-mingw32.c: Moved to...
* config/i386/driver-mingw32.cc: ...here.
* config/i386/gnu-property.c: Moved to...
* config/i386/gnu-property.cc: ...here.
* config/i386/host-cygwin.c: Moved to...
* config/i386/host-cygwin.cc: ...here.
* config/i386/host-i386-darwin.c: Moved to...
* config/i386/host-i386-darwin.cc: ...here.
* config/i386/host-mingw32.c: Moved to...
* config/i386/host-mingw32.cc: ...here.
* config/i386/i386-builtins.c: Moved to...
* config/i386/i386-builtins.cc: ...here.
* config/i386/i386-c.c: Moved to...
* config/i386/i386-c.cc: ...here.
* config/i386/i386-d.c: Moved to...
* config/i386/i386-d.cc: ...here.
* config/i386/i386-expand.c: Moved to...
* config/i386/i386-expand.cc: ...here.
* config/i386/i386-features.c: Moved to...
* config/i386/i386-features.cc: ...here.
* config/i386/i386-options.c: Moved to...
* config/i386/i386-options.cc: ...here.
* config/i386/i386.c: Moved to...
* config/i386/i386.cc: ...here.
* config/i386/intelmic-mkoffload.c: Moved to...
* config/i386/intelmic-mkoffload.cc: ...here.
* config/i386/msformat-c.c: Moved to...
* config/i386/msformat-c.cc: ...here.
* config/i386/winnt-cxx.c: Moved to...
* config/i386/winnt-cxx.cc: ...here.
* config/i386/winnt-d.c: Moved to...
* config/i386/winnt-d.cc: ...here.
* config/i386/winnt-stubs.c: Moved to...
* config/i386/winnt-stubs.cc: ...here.
* config/i386/winnt.c: Moved to...
* config/i386/winnt.cc: ...here.
* config/i386/x86-tune-sched-atom.c: Moved to...
* config/i386/x86-tune-sched-atom.cc: ...here.
* config/i386/x86-tune-sched-bd.c: Moved to...
* config/i386/x86-tune-sched-bd.cc: ...here.
* config/i386/x86-tune-sched-core.c: Moved to...
* config/i386/x86-tune-sched-core.cc: ...here.
* config/i386/x86-tune-sched.c: Moved to...
* config/i386/x86-tune-sched.cc: ...here.
* config/ia64/ia64-c.c: Moved to...
* config/ia64/ia64-c.cc: ...here.
* config/ia64/ia64.c: Moved to...
* config/ia64/ia64.cc: ...here.
* config/iq2000/iq2000.c: Moved to...
* config/iq2000/iq2000.cc: ...here.
* config/linux.c: Moved to...
* config/linux.cc: ...here.
* config/lm32/lm32.c: Moved to...
* config/lm32/lm32.cc: ...here.
* config/m32c/m32c-pragma.c: Moved to...
* config/m32c/m32c-pragma.cc: ...here.
* config/m32c/m32c.c: Moved to...
* config/m32c/m32c.cc: ...here.
* config/m32r/m32r.c: Moved to...
* config/m32r/m32r.cc: ...here.
* config/m68k/m68k.c: Moved to...
* config/m68k/m68k.cc: ...here.
* config/mcore/mcore.c: Moved to...
* config/mcore/mcore.cc: ...here.
* config/microblaze/microblaze-c.c: Moved to...
* config/microblaze/microblaze-c.cc: ...here.
* config/microblaze/microblaze.c: Moved to...
* config/microblaze/microblaze.cc: ...here.
* config/mips/driver-native.c: Moved to...
* config/mips/driver-native.cc: ...here.
* config/mips/frame-header-opt.c: Moved to...
* config/mips/frame-header-opt.cc: ...here.
* config/mips/mips-d.c: Moved to...
* config/mips/mips-d.cc: ...here.
* config/mips/mips.c: Moved to...
* config/mips/mips.cc: ...here.
* config/mmix/mmix.c: Moved to...
* config/mmix/mmix.cc: ...here.
* config/mn10300/mn10300.c: Moved to...
* config/mn10300/mn10300.cc: ...here.
* config/moxie/moxie.c: Moved to...
* config/moxie/moxie.cc: ...here.
* config/msp430/driver-msp430.c: Moved to...
* config/msp430/driver-msp430.cc: ...here.
* config/msp430/msp430-c.c: Moved to...
* config/msp430/msp430-c.cc: ...here.
* config/msp430/msp430-devices.c: Moved to...
* config/msp430/msp430-devices.cc: ...here.
* config/msp430/msp430.c: Moved to...
* config/msp430/msp430.cc: ...here.
* config/nds32/nds32-cost.c: Moved to...
* config/nds32/nds32-cost.cc: ...here.
* config/nds32/nds32-fp-as-gp.c: Moved to...
* config/nds32/nds32-fp-as-gp.cc: ...here.
* config/nds32/nds32-intrinsic.c: Moved to...
* config/nds32/nds32-intrinsic.cc: ...here.
* config/nds32/nds32-isr.c: Moved to...
* config/nds32/nds32-isr.cc: ...here.
* config/nds32/nds32-md-auxiliary.c: Moved to...
* config/nds32/nds32-md-auxiliary.cc: ...here.
* config/nds32/nds32-memory-manipulation.c: Moved to...
* config/nds32/nds32-memory-manipulation.cc: ...here.
* config/nds32/nds32-pipelines-auxiliary.c: Moved to...
* config/nds32/nds32-pipelines-auxiliary.cc: ...here.
* config/nds32/nds32-predicates.c: Moved to...
* config/nds32/nds32-predicates.cc: ...here.
* config/nds32/nds32-relax-opt.c: Moved to...
* config/nds32/nds32-relax-opt.cc: ...here.
* config/nds32/nds32-utils.c: Moved to...
* config/nds32/nds32-utils.cc: ...here.
* config/nds32/nds32.c: Moved to...
* config/nds32/nds32.cc: ...here.
* config/netbsd-d.c: Moved to...
* config/netbsd-d.cc: ...here.
* config/netbsd.c: Moved to...
* config/netbsd.cc: ...here.
* config/nios2/nios2.c: Moved to...
* config/nios2/nios2.cc: ...here.
* config/nvptx/mkoffload.c: Moved to...
* config/nvptx/mkoffload.cc: ...here.
* config/nvptx/nvptx-c.c: Moved to...
* config/nvptx/nvptx-c.cc: ...here.
* config/nvptx/nvptx.c: Moved to...
* config/nvptx/nvptx.cc: ...here.
* config/openbsd-d.c: Moved to...
* config/openbsd-d.cc: ...here.
* config/or1k/or1k.c: Moved to...
* config/or1k/or1k.cc: ...here.
* config/pa/pa-d.c: Moved to...
* config/pa/pa-d.cc: ...here.
* config/pa/pa.c: Moved to...
* config/pa/pa.cc: ...here.
* config/pdp11/pdp11.c: Moved to...
* config/pdp11/pdp11.cc: ...here.
* config/pru/pru-passes.c: Moved to...
* config/pru/pru-passes.cc: ...here.
* config/pru/pru-pragma.c: Moved to...
* config/pru/pru-pragma.cc: ...here.
* config/pru/pru.c: Moved to...
* config/pru/pru.cc: ...here.
* config/riscv/riscv-builtins.c: Moved to...
* config/riscv/riscv-builtins.cc: ...here.
* config/riscv/riscv-c.c: Moved to...
* config/riscv/riscv-c.cc: ...here.
* config/riscv/riscv-d.c: Moved to...
* config/riscv/riscv-d.cc: ...here.
* config/riscv/riscv-shorten-memrefs.c: Moved to...
* config/riscv/riscv-shorten-memrefs.cc: ...here.
* config/riscv/riscv-sr.c: Moved to...
* config/riscv/riscv-sr.cc: ...here.
* config/riscv/riscv.c: Moved to...
* config/riscv/riscv.cc: ...here.
* config/rl78/rl78-c.c: Moved to...
* config/rl78/rl78-c.cc: ...here.
* config/rl78/rl78.c: Moved to...
* config/rl78/rl78.cc: ...here.
* config/rs6000/driver-rs6000.c: Moved to...
* config/rs6000/driver-rs6000.cc: ...here.
* config/rs6000/host-darwin.c: Moved to...
* config/rs6000/host-darwin.cc: ...here.
* config/rs6000/host-ppc64-darwin.c: Moved to...
* config/rs6000/host-ppc64-darwin.cc: ...here.
* config/rs6000/rbtree.c: Moved to...
* config/rs6000/rbtree.cc: ...here.
* config/rs6000/rs6000-c.c: Moved to...
* config/rs6000/rs6000-c.cc: ...here.
* config/rs6000/rs6000-call.c: Moved to...
* config/rs6000/rs6000-call.cc: ...here.
* config/rs6000/rs6000-d.c: Moved to...
* config/rs6000/rs6000-d.cc: ...here.
* config/rs6000/rs6000-gen-builtins.c: Moved to...
* config/rs6000/rs6000-gen-builtins.cc: ...here.
* config/rs6000/rs6000-linux.c: Moved to...
* config/rs6000/rs6000-linux.cc: ...here.
* config/rs6000/rs6000-logue.c: Moved to...
* config/rs6000/rs6000-logue.cc: ...here.
* config/rs6000/rs6000-p8swap.c: Moved to...
* config/rs6000/rs6000-p8swap.cc: ...here.
* config/rs6000/rs6000-pcrel-opt.c: Moved to...
* config/rs6000/rs6000-pcrel-opt.cc: ...here.
* config/rs6000/rs6000-string.c: Moved to...
* config/rs6000/rs6000-string.cc: ...here.
* config/rs6000/rs6000.c: Moved to...
* config/rs6000/rs6000.cc: ...here.
* config/rx/rx.c: Moved to...
* config/rx/rx.cc: ...here.
* config/s390/driver-native.c: Moved to...
* config/s390/driver-native.cc: ...here.
* config/s390/s390-c.c: Moved to...
* config/s390/s390-c.cc: ...here.
* config/s390/s390-d.c: Moved to...
* config/s390/s390-d.cc: ...here.
* config/s390/s390.c: Moved to...
* config/s390/s390.cc: ...here.
* config/sh/divtab-sh4-300.c: Moved to...
* config/sh/divtab-sh4-300.cc: ...here.
* config/sh/divtab-sh4.c: Moved to...
* config/sh/divtab-sh4.cc: ...here.
* config/sh/divtab.c: Moved to...
* config/sh/divtab.cc: ...here.
* config/sh/sh-c.c: Moved to...
* config/sh/sh-c.cc: ...here.
* config/sh/sh.c: Moved to...
* config/sh/sh.cc: ...here.
* config/sol2-c.c: Moved to...
* config/sol2-c.cc: ...here.
* config/sol2-cxx.c: Moved to...
* config/sol2-cxx.cc: ...here.
* config/sol2-d.c: Moved to...
* config/sol2-d.cc: ...here.
* config/sol2-stubs.c: Moved to...
* config/sol2-stubs.cc: ...here.
* config/sol2.c: Moved to...
* config/sol2.cc: ...here.
* config/sparc/driver-sparc.c: Moved to...
* config/sparc/driver-sparc.cc: ...here.
* config/sparc/sparc-c.c: Moved to...
* config/sparc/sparc-c.cc: ...here.
* config/sparc/sparc-d.c: Moved to...
* config/sparc/sparc-d.cc: ...here.
* config/sparc/sparc.c: Moved to...
* config/sparc/sparc.cc: ...here.
* config/stormy16/stormy16.c: Moved to...
* config/stormy16/stormy16.cc: ...here.
* config/tilegx/mul-tables.c: Moved to...
* config/tilegx/mul-tables.cc: ...here.
* config/tilegx/tilegx-c.c: Moved to...
* config/tilegx/tilegx-c.cc: ...here.
* config/tilegx/tilegx.c: Moved to...
* config/tilegx/tilegx.cc: ...here.
* config/tilepro/mul-tables.c: Moved to...
* config/tilepro/mul-tables.cc: ...here.
* config/tilepro/tilepro-c.c: Moved to...
* config/tilepro/tilepro-c.cc: ...here.
* config/tilepro/tilepro.c: Moved to...
* config/tilepro/tilepro.cc: ...here.
* config/v850/v850-c.c: Moved to...
* config/v850/v850-c.cc: ...here.
* config/v850/v850.c: Moved to...
* config/v850/v850.cc: ...here.
* config/vax/vax.c: Moved to...
* config/vax/vax.cc: ...here.
* config/visium/visium.c: Moved to...
* config/visium/visium.cc: ...here.
* config/vms/vms-c.c: Moved to...
* config/vms/vms-c.cc: ...here.
* config/vms/vms-f.c: Moved to...
* config/vms/vms-f.cc: ...here.
* config/vms/vms.c: Moved to...
* config/vms/vms.cc: ...here.
* config/vxworks-c.c: Moved to...
* config/vxworks-c.cc: ...here.
* config/vxworks.c: Moved to...
* config/vxworks.cc: ...here.
* config/winnt-c.c: Moved to...
* config/winnt-c.cc: ...here.
* config/xtensa/xtensa.c: Moved to...
* config/xtensa/xtensa.cc: ...here.
* context.c: Moved to...
* context.cc: ...here.
* convert.c: Moved to...
* convert.cc: ...here.
* coverage.c: Moved to...
* coverage.cc: ...here.
* cppbuiltin.c: Moved to...
* cppbuiltin.cc: ...here.
* cppdefault.c: Moved to...
* cppdefault.cc: ...here.
* cprop.c: Moved to...
* cprop.cc: ...here.
* cse.c: Moved to...
* cse.cc: ...here.
* cselib.c: Moved to...
* cselib.cc: ...here.
* ctfc.c: Moved to...
* ctfc.cc: ...here.
* ctfout.c: Moved to...
* ctfout.cc: ...here.
* data-streamer-in.c: Moved to...
* data-streamer-in.cc: ...here.
* data-streamer-out.c: Moved to...
* data-streamer-out.cc: ...here.
* data-streamer.c: Moved to...
* data-streamer.cc: ...here.
* dbgcnt.c: Moved to...
* dbgcnt.cc: ...here.
* dbxout.c: Moved to...
* dbxout.cc: ...here.
* dce.c: Moved to...
* dce.cc: ...here.
* ddg.c: Moved to...
* ddg.cc: ...here.
* debug.c: Moved to...
* debug.cc: ...here.
* df-core.c: Moved to...
* df-core.cc: ...here.
* df-problems.c: Moved to...
* df-problems.cc: ...here.
* df-scan.c: Moved to...
* df-scan.cc: ...here.
* dfp.c: Moved to...
* dfp.cc: ...here.
* diagnostic-color.c: Moved to...
* diagnostic-color.cc: ...here.
* diagnostic-show-locus.c: Moved to...
* diagnostic-show-locus.cc: ...here.
* diagnostic-spec.c: Moved to...
* diagnostic-spec.cc: ...here.
* diagnostic.c: Moved to...
* diagnostic.cc: ...here.
* dojump.c: Moved to...
* dojump.cc: ...here.
* dominance.c: Moved to...
* dominance.cc: ...here.
* domwalk.c: Moved to...
* domwalk.cc: ...here.
* double-int.c: Moved to...
* double-int.cc: ...here.
* dse.c: Moved to...
* dse.cc: ...here.
* dumpfile.c: Moved to...
* dumpfile.cc: ...here.
* dwarf2asm.c: Moved to...
* dwarf2asm.cc: ...here.
* dwarf2cfi.c: Moved to...
* dwarf2cfi.cc: ...here.
* dwarf2ctf.c: Moved to...
* dwarf2ctf.cc: ...here.
* dwarf2out.c: Moved to...
* dwarf2out.cc: ...here.
* early-remat.c: Moved to...
* early-remat.cc: ...here.
* edit-context.c: Moved to...
* edit-context.cc: ...here.
* emit-rtl.c: Moved to...
* emit-rtl.cc: ...here.
* errors.c: Moved to...
* errors.cc: ...here.
* et-forest.c: Moved to...
* et-forest.cc: ...here.
* except.c: Moved to...
* except.cc: ...here.
* explow.c: Moved to...
* explow.cc: ...here.
* expmed.c: Moved to...
* expmed.cc: ...here.
* expr.c: Moved to...
* expr.cc: ...here.
* fibonacci_heap.c: Moved to...
* fibonacci_heap.cc: ...here.
* file-find.c: Moved to...
* file-find.cc: ...here.
* file-prefix-map.c: Moved to...
* file-prefix-map.cc: ...here.
* final.c: Moved to...
* final.cc: ...here.
* fixed-value.c: Moved to...
* fixed-value.cc: ...here.
* fold-const-call.c: Moved to...
* fold-const-call.cc: ...here.
* fold-const.c: Moved to...
* fold-const.cc: ...here.
* fp-test.c: Moved to...
* fp-test.cc: ...here.
* function-tests.c: Moved to...
* function-tests.cc: ...here.
* function.c: Moved to...
* function.cc: ...here.
* fwprop.c: Moved to...
* fwprop.cc: ...here.
* gcc-ar.c: Moved to...
* gcc-ar.cc: ...here.
* gcc-main.c: Moved to...
* gcc-main.cc: ...here.
* gcc-rich-location.c: Moved to...
* gcc-rich-location.cc: ...here.
* gcc.c: Moved to...
* gcc.cc: ...here.
* gcov-dump.c: Moved to...
* gcov-dump.cc: ...here.
* gcov-io.c: Moved to...
* gcov-io.cc: ...here.
* gcov-tool.c: Moved to...
* gcov-tool.cc: ...here.
* gcov.c: Moved to...
* gcov.cc: ...here.
* gcse-common.c: Moved to...
* gcse-common.cc: ...here.
* gcse.c: Moved to...
* gcse.cc: ...here.
* genattr-common.c: Moved to...
* genattr-common.cc: ...here.
* genattr.c: Moved to...
* genattr.cc: ...here.
* genattrtab.c: Moved to...
* genattrtab.cc: ...here.
* genautomata.c: Moved to...
* genautomata.cc: ...here.
* gencfn-macros.c: Moved to...
* gencfn-macros.cc: ...here.
* gencheck.c: Moved to...
* gencheck.cc: ...here.
* genchecksum.c: Moved to...
* genchecksum.cc: ...here.
* gencodes.c: Moved to...
* gencodes.cc: ...here.
* genconditions.c: Moved to...
* genconditions.cc: ...here.
* genconfig.c: Moved to...
* genconfig.cc: ...here.
* genconstants.c: Moved to...
* genconstants.cc: ...here.
* genemit.c: Moved to...
* genemit.cc: ...here.
* genenums.c: Moved to...
* genenums.cc: ...here.
* generic-match-head.c: Moved to...
* generic-match-head.cc: ...here.
* genextract.c: Moved to...
* genextract.cc: ...here.
* genflags.c: Moved to...
* genflags.cc: ...here.
* gengenrtl.c: Moved to...
* gengenrtl.cc: ...here.
* gengtype-parse.c: Moved to...
* gengtype-parse.cc: ...here.
* gengtype-state.c: Moved to...
* gengtype-state.cc: ...here.
* gengtype.c: Moved to...
* gengtype.cc: ...here.
* genhooks.c: Moved to...
* genhooks.cc: ...here.
* genmatch.c: Moved to...
* genmatch.cc: ...here.
* genmddeps.c: Moved to...
* genmddeps.cc: ...here.
* genmddump.c: Moved to...
* genmddump.cc: ...here.
* genmodes.c: Moved to...
* genmodes.cc: ...here.
* genopinit.c: Moved to...
* genopinit.cc: ...here.
* genoutput.c: Moved to...
* genoutput.cc: ...here.
* genpeep.c: Moved to...
* genpeep.cc: ...here.
* genpreds.c: Moved to...
* genpreds.cc: ...here.
* genrecog.c: Moved to...
* genrecog.cc: ...here.
* gensupport.c: Moved to...
* gensupport.cc: ...here.
* gentarget-def.c: Moved to...
* gentarget-def.cc: ...here.
* genversion.c: Moved to...
* genversion.cc: ...here.
* ggc-common.c: Moved to...
* ggc-common.cc: ...here.
* ggc-none.c: Moved to...
* ggc-none.cc: ...here.
* ggc-page.c: Moved to...
* ggc-page.cc: ...here.
* ggc-tests.c: Moved to...
* ggc-tests.cc: ...here.
* gimple-builder.c: Moved to...
* gimple-builder.cc: ...here.
* gimple-expr.c: Moved to...
* gimple-expr.cc: ...here.
* gimple-fold.c: Moved to...
* gimple-fold.cc: ...here.
* gimple-iterator.c: Moved to...
* gimple-iterator.cc: ...here.
* gimple-laddress.c: Moved to...
* gimple-laddress.cc: ...here.
* gimple-loop-jam.c: Moved to...
* gimple-loop-jam.cc: ...here.
* gimple-low.c: Moved to...
* gimple-low.cc: ...here.
* gimple-match-head.c: Moved to...
* gimple-match-head.cc: ...here.
* gimple-pretty-print.c: Moved to...
* gimple-pretty-print.cc: ...here.
* gimple-ssa-backprop.c: Moved to...
* gimple-ssa-backprop.cc: ...here.
* gimple-ssa-evrp-analyze.c: Moved to...
* gimple-ssa-evrp-analyze.cc: ...here.
* gimple-ssa-evrp.c: Moved to...
* gimple-ssa-evrp.cc: ...here.
* gimple-ssa-isolate-paths.c: Moved to...
* gimple-ssa-isolate-paths.cc: ...here.
* gimple-ssa-nonnull-compare.c: Moved to...
* gimple-ssa-nonnull-compare.cc: ...here.
* gimple-ssa-split-paths.c: Moved to...
* gimple-ssa-split-paths.cc: ...here.
* gimple-ssa-sprintf.c: Moved to...
* gimple-ssa-sprintf.cc: ...here.
* gimple-ssa-store-merging.c: Moved to...
* gimple-ssa-store-merging.cc: ...here.
* gimple-ssa-strength-reduction.c: Moved to...
* gimple-ssa-strength-reduction.cc: ...here.
* gimple-ssa-warn-alloca.c: Moved to...
* gimple-ssa-warn-alloca.cc: ...here.
* gimple-ssa-warn-restrict.c: Moved to...
* gimple-ssa-warn-restrict.cc: ...here.
* gimple-streamer-in.c: Moved to...
* gimple-streamer-in.cc: ...here.
* gimple-streamer-out.c: Moved to...
* gimple-streamer-out.cc: ...here.
* gimple-walk.c: Moved to...
* gimple-walk.cc: ...here.
* gimple-warn-recursion.c: Moved to...
* gimple-warn-recursion.cc: ...here.
* gimple.c: Moved to...
* gimple.cc: ...here.
* gimplify-me.c: Moved to...
* gimplify-me.cc: ...here.
* gimplify.c: Moved to...
* gimplify.cc: ...here.
* godump.c: Moved to...
* godump.cc: ...here.
* graph.c: Moved to...
* graph.cc: ...here.
* graphds.c: Moved to...
* graphds.cc: ...here.
* graphite-dependences.c: Moved to...
* graphite-dependences.cc: ...here.
* graphite-isl-ast-to-gimple.c: Moved to...
* graphite-isl-ast-to-gimple.cc: ...here.
* graphite-optimize-isl.c: Moved to...
* graphite-optimize-isl.cc: ...here.
* graphite-poly.c: Moved to...
* graphite-poly.cc: ...here.
* graphite-scop-detection.c: Moved to...
* graphite-scop-detection.cc: ...here.
* graphite-sese-to-poly.c: Moved to...
* graphite-sese-to-poly.cc: ...here.
* graphite.c: Moved to...
* graphite.cc: ...here.
* haifa-sched.c: Moved to...
* haifa-sched.cc: ...here.
* hash-map-tests.c: Moved to...
* hash-map-tests.cc: ...here.
* hash-set-tests.c: Moved to...
* hash-set-tests.cc: ...here.
* hash-table.c: Moved to...
* hash-table.cc: ...here.
* hooks.c: Moved to...
* hooks.cc: ...here.
* host-default.c: Moved to...
* host-default.cc: ...here.
* hw-doloop.c: Moved to...
* hw-doloop.cc: ...here.
* hwint.c: Moved to...
* hwint.cc: ...here.
* ifcvt.c: Moved to...
* ifcvt.cc: ...here.
* inchash.c: Moved to...
* inchash.cc: ...here.
* incpath.c: Moved to...
* incpath.cc: ...here.
* init-regs.c: Moved to...
* init-regs.cc: ...here.
* input.c: Moved to...
* input.cc: ...here.
* internal-fn.c: Moved to...
* internal-fn.cc: ...here.
* intl.c: Moved to...
* intl.cc: ...here.
* ipa-comdats.c: Moved to...
* ipa-comdats.cc: ...here.
* ipa-cp.c: Moved to...
* ipa-cp.cc: ...here.
* ipa-devirt.c: Moved to...
* ipa-devirt.cc: ...here.
* ipa-fnsummary.c: Moved to...
* ipa-fnsummary.cc: ...here.
* ipa-icf-gimple.c: Moved to...
* ipa-icf-gimple.cc: ...here.
* ipa-icf.c: Moved to...
* ipa-icf.cc: ...here.
* ipa-inline-analysis.c: Moved to...
* ipa-inline-analysis.cc: ...here.
* ipa-inline-transform.c: Moved to...
* ipa-inline-transform.cc: ...here.
* ipa-inline.c: Moved to...
* ipa-inline.cc: ...here.
* ipa-modref-tree.c: Moved to...
* ipa-modref-tree.cc: ...here.
* ipa-modref.c: Moved to...
* ipa-modref.cc: ...here.
* ipa-param-manipulation.c: Moved to...
* ipa-param-manipulation.cc: ...here.
* ipa-polymorphic-call.c: Moved to...
* ipa-polymorphic-call.cc: ...here.
* ipa-predicate.c: Moved to...
* ipa-predicate.cc: ...here.
* ipa-profile.c: Moved to...
* ipa-profile.cc: ...here.
* ipa-prop.c: Moved to...
* ipa-prop.cc: ...here.
* ipa-pure-const.c: Moved to...
* ipa-pure-const.cc: ...here.
* ipa-ref.c: Moved to...
* ipa-ref.cc: ...here.
* ipa-reference.c: Moved to...
* ipa-reference.cc: ...here.
* ipa-split.c: Moved to...
* ipa-split.cc: ...here.
* ipa-sra.c: Moved to...
* ipa-sra.cc: ...here.
* ipa-utils.c: Moved to...
* ipa-utils.cc: ...here.
* ipa-visibility.c: Moved to...
* ipa-visibility.cc: ...here.
* ipa.c: Moved to...
* ipa.cc: ...here.
* ira-build.c: Moved to...
* ira-build.cc: ...here.
* ira-color.c: Moved to...
* ira-color.cc: ...here.
* ira-conflicts.c: Moved to...
* ira-conflicts.cc: ...here.
* ira-costs.c: Moved to...
* ira-costs.cc: ...here.
* ira-emit.c: Moved to...
* ira-emit.cc: ...here.
* ira-lives.c: Moved to...
* ira-lives.cc: ...here.
* ira.c: Moved to...
* ira.cc: ...here.
* jump.c: Moved to...
* jump.cc: ...here.
* langhooks.c: Moved to...
* langhooks.cc: ...here.
* lcm.c: Moved to...
* lcm.cc: ...here.
* lists.c: Moved to...
* lists.cc: ...here.
* loop-doloop.c: Moved to...
* loop-doloop.cc: ...here.
* loop-init.c: Moved to...
* loop-init.cc: ...here.
* loop-invariant.c: Moved to...
* loop-invariant.cc: ...here.
* loop-iv.c: Moved to...
* loop-iv.cc: ...here.
* loop-unroll.c: Moved to...
* loop-unroll.cc: ...here.
* lower-subreg.c: Moved to...
* lower-subreg.cc: ...here.
* lra-assigns.c: Moved to...
* lra-assigns.cc: ...here.
* lra-coalesce.c: Moved to...
* lra-coalesce.cc: ...here.
* lra-constraints.c: Moved to...
* lra-constraints.cc: ...here.
* lra-eliminations.c: Moved to...
* lra-eliminations.cc: ...here.
* lra-lives.c: Moved to...
* lra-lives.cc: ...here.
* lra-remat.c: Moved to...
* lra-remat.cc: ...here.
* lra-spills.c: Moved to...
* lra-spills.cc: ...here.
* lra.c: Moved to...
* lra.cc: ...here.
* lto-cgraph.c: Moved to...
* lto-cgraph.cc: ...here.
* lto-compress.c: Moved to...
* lto-compress.cc: ...here.
* lto-opts.c: Moved to...
* lto-opts.cc: ...here.
* lto-section-in.c: Moved to...
* lto-section-in.cc: ...here.
* lto-section-out.c: Moved to...
* lto-section-out.cc: ...here.
* lto-streamer-in.c: Moved to...
* lto-streamer-in.cc: ...here.
* lto-streamer-out.c: Moved to...
* lto-streamer-out.cc: ...here.
* lto-streamer.c: Moved to...
* lto-streamer.cc: ...here.
* lto-wrapper.c: Moved to...
* lto-wrapper.cc: ...here.
* main.c: Moved to...
* main.cc: ...here.
* mcf.c: Moved to...
* mcf.cc: ...here.
* mode-switching.c: Moved to...
* mode-switching.cc: ...here.
* modulo-sched.c: Moved to...
* modulo-sched.cc: ...here.
* multiple_target.c: Moved to...
* multiple_target.cc: ...here.
* omp-expand.c: Moved to...
* omp-expand.cc: ...here.
* omp-general.c: Moved to...
* omp-general.cc: ...here.
* omp-low.c: Moved to...
* omp-low.cc: ...here.
* omp-offload.c: Moved to...
* omp-offload.cc: ...here.
* omp-simd-clone.c: Moved to...
* omp-simd-clone.cc: ...here.
* opt-suggestions.c: Moved to...
* opt-suggestions.cc: ...here.
* optabs-libfuncs.c: Moved to...
* optabs-libfuncs.cc: ...here.
* optabs-query.c: Moved to...
* optabs-query.cc: ...here.
* optabs-tree.c: Moved to...
* optabs-tree.cc: ...here.
* optabs.c: Moved to...
* optabs.cc: ...here.
* opts-common.c: Moved to...
* opts-common.cc: ...here.
* opts-global.c: Moved to...
* opts-global.cc: ...here.
* opts.c: Moved to...
* opts.cc: ...here.
* passes.c: Moved to...
* passes.cc: ...here.
* plugin.c: Moved to...
* plugin.cc: ...here.
* postreload-gcse.c: Moved to...
* postreload-gcse.cc: ...here.
* postreload.c: Moved to...
* postreload.cc: ...here.
* predict.c: Moved to...
* predict.cc: ...here.
* prefix.c: Moved to...
* prefix.cc: ...here.
* pretty-print.c: Moved to...
* pretty-print.cc: ...here.
* print-rtl-function.c: Moved to...
* print-rtl-function.cc: ...here.
* print-rtl.c: Moved to...
* print-rtl.cc: ...here.
* print-tree.c: Moved to...
* print-tree.cc: ...here.
* profile-count.c: Moved to...
* profile-count.cc: ...here.
* profile.c: Moved to...
* profile.cc: ...here.
* read-md.c: Moved to...
* read-md.cc: ...here.
* read-rtl-function.c: Moved to...
* read-rtl-function.cc: ...here.
* read-rtl.c: Moved to...
* read-rtl.cc: ...here.
* real.c: Moved to...
* real.cc: ...here.
* realmpfr.c: Moved to...
* realmpfr.cc: ...here.
* recog.c: Moved to...
* recog.cc: ...here.
* ree.c: Moved to...
* ree.cc: ...here.
* reg-stack.c: Moved to...
* reg-stack.cc: ...here.
* regcprop.c: Moved to...
* regcprop.cc: ...here.
* reginfo.c: Moved to...
* reginfo.cc: ...here.
* regrename.c: Moved to...
* regrename.cc: ...here.
* regstat.c: Moved to...
* regstat.cc: ...here.
* reload.c: Moved to...
* reload.cc: ...here.
* reload1.c: Moved to...
* reload1.cc: ...here.
* reorg.c: Moved to...
* reorg.cc: ...here.
* resource.c: Moved to...
* resource.cc: ...here.
* rtl-error.c: Moved to...
* rtl-error.cc: ...here.
* rtl-tests.c: Moved to...
* rtl-tests.cc: ...here.
* rtl.c: Moved to...
* rtl.cc: ...here.
* rtlanal.c: Moved to...
* rtlanal.cc: ...here.
* rtlhash.c: Moved to...
* rtlhash.cc: ...here.
* rtlhooks.c: Moved to...
* rtlhooks.cc: ...here.
* rtx-vector-builder.c: Moved to...
* rtx-vector-builder.cc: ...here.
* run-rtl-passes.c: Moved to...
* run-rtl-passes.cc: ...here.
* sancov.c: Moved to...
* sancov.cc: ...here.
* sanopt.c: Moved to...
* sanopt.cc: ...here.
* sbitmap.c: Moved to...
* sbitmap.cc: ...here.
* sched-deps.c: Moved to...
* sched-deps.cc: ...here.
* sched-ebb.c: Moved to...
* sched-ebb.cc: ...here.
* sched-rgn.c: Moved to...
* sched-rgn.cc: ...here.
* sel-sched-dump.c: Moved to...
* sel-sched-dump.cc: ...here.
* sel-sched-ir.c: Moved to...
* sel-sched-ir.cc: ...here.
* sel-sched.c: Moved to...
* sel-sched.cc: ...here.
* selftest-diagnostic.c: Moved to...
* selftest-diagnostic.cc: ...here.
* selftest-rtl.c: Moved to...
* selftest-rtl.cc: ...here.
* selftest-run-tests.c: Moved to...
* selftest-run-tests.cc: ...here.
* selftest.c: Moved to...
* selftest.cc: ...here.
* sese.c: Moved to...
* sese.cc: ...here.
* shrink-wrap.c: Moved to...
* shrink-wrap.cc: ...here.
* simplify-rtx.c: Moved to...
* simplify-rtx.cc: ...here.
* sparseset.c: Moved to...
* sparseset.cc: ...here.
* spellcheck-tree.c: Moved to...
* spellcheck-tree.cc: ...here.
* spellcheck.c: Moved to...
* spellcheck.cc: ...here.
* sreal.c: Moved to...
* sreal.cc: ...here.
* stack-ptr-mod.c: Moved to...
* stack-ptr-mod.cc: ...here.
* statistics.c: Moved to...
* statistics.cc: ...here.
* stmt.c: Moved to...
* stmt.cc: ...here.
* stor-layout.c: Moved to...
* stor-layout.cc: ...here.
* store-motion.c: Moved to...
* store-motion.cc: ...here.
* streamer-hooks.c: Moved to...
* streamer-hooks.cc: ...here.
* stringpool.c: Moved to...
* stringpool.cc: ...here.
* substring-locations.c: Moved to...
* substring-locations.cc: ...here.
* symtab.c: Moved to...
* symtab.cc: ...here.
* target-globals.c: Moved to...
* target-globals.cc: ...here.
* targhooks.c: Moved to...
* targhooks.cc: ...here.
* timevar.c: Moved to...
* timevar.cc: ...here.
* toplev.c: Moved to...
* toplev.cc: ...here.
* tracer.c: Moved to...
* tracer.cc: ...here.
* trans-mem.c: Moved to...
* trans-mem.cc: ...here.
* tree-affine.c: Moved to...
* tree-affine.cc: ...here.
* tree-call-cdce.c: Moved to...
* tree-call-cdce.cc: ...here.
* tree-cfg.c: Moved to...
* tree-cfg.cc: ...here.
* tree-cfgcleanup.c: Moved to...
* tree-cfgcleanup.cc: ...here.
* tree-chrec.c: Moved to...
* tree-chrec.cc: ...here.
* tree-complex.c: Moved to...
* tree-complex.cc: ...here.
* tree-data-ref.c: Moved to...
* tree-data-ref.cc: ...here.
* tree-dfa.c: Moved to...
* tree-dfa.cc: ...here.
* tree-diagnostic.c: Moved to...
* tree-diagnostic.cc: ...here.
* tree-dump.c: Moved to...
* tree-dump.cc: ...here.
* tree-eh.c: Moved to...
* tree-eh.cc: ...here.
* tree-emutls.c: Moved to...
* tree-emutls.cc: ...here.
* tree-if-conv.c: Moved to...
* tree-if-conv.cc: ...here.
* tree-inline.c: Moved to...
* tree-inline.cc: ...here.
* tree-into-ssa.c: Moved to...
* tree-into-ssa.cc: ...here.
* tree-iterator.c: Moved to...
* tree-iterator.cc: ...here.
* tree-loop-distribution.c: Moved to...
* tree-loop-distribution.cc: ...here.
* tree-nested.c: Moved to...
* tree-nested.cc: ...here.
* tree-nrv.c: Moved to...
* tree-nrv.cc: ...here.
* tree-object-size.c: Moved to...
* tree-object-size.cc: ...here.
* tree-outof-ssa.c: Moved to...
* tree-outof-ssa.cc: ...here.
* tree-parloops.c: Moved to...
* tree-parloops.cc: ...here.
* tree-phinodes.c: Moved to...
* tree-phinodes.cc: ...here.
* tree-predcom.c: Moved to...
* tree-predcom.cc: ...here.
* tree-pretty-print.c: Moved to...
* tree-pretty-print.cc: ...here.
* tree-profile.c: Moved to...
* tree-profile.cc: ...here.
* tree-scalar-evolution.c: Moved to...
* tree-scalar-evolution.cc: ...here.
* tree-sra.c: Moved to...
* tree-sra.cc: ...here.
* tree-ssa-address.c: Moved to...
* tree-ssa-address.cc: ...here.
* tree-ssa-alias.c: Moved to...
* tree-ssa-alias.cc: ...here.
* tree-ssa-ccp.c: Moved to...
* tree-ssa-ccp.cc: ...here.
* tree-ssa-coalesce.c: Moved to...
* tree-ssa-coalesce.cc: ...here.
* tree-ssa-copy.c: Moved to...
* tree-ssa-copy.cc: ...here.
* tree-ssa-dce.c: Moved to...
* tree-ssa-dce.cc: ...here.
* tree-ssa-dom.c: Moved to...
* tree-ssa-dom.cc: ...here.
* tree-ssa-dse.c: Moved to...
* tree-ssa-dse.cc: ...here.
* tree-ssa-forwprop.c: Moved to...
* tree-ssa-forwprop.cc: ...here.
* tree-ssa-ifcombine.c: Moved to...
* tree-ssa-ifcombine.cc: ...here.
* tree-ssa-live.c: Moved to...
* tree-ssa-live.cc: ...here.
* tree-ssa-loop-ch.c: Moved to...
* tree-ssa-loop-ch.cc: ...here.
* tree-ssa-loop-im.c: Moved to...
* tree-ssa-loop-im.cc: ...here.
* tree-ssa-loop-ivcanon.c: Moved to...
* tree-ssa-loop-ivcanon.cc: ...here.
* tree-ssa-loop-ivopts.c: Moved to...
* tree-ssa-loop-ivopts.cc: ...here.
* tree-ssa-loop-manip.c: Moved to...
* tree-ssa-loop-manip.cc: ...here.
* tree-ssa-loop-niter.c: Moved to...
* tree-ssa-loop-niter.cc: ...here.
* tree-ssa-loop-prefetch.c: Moved to...
* tree-ssa-loop-prefetch.cc: ...here.
* tree-ssa-loop-split.c: Moved to...
* tree-ssa-loop-split.cc: ...here.
* tree-ssa-loop-unswitch.c: Moved to...
* tree-ssa-loop-unswitch.cc: ...here.
* tree-ssa-loop.c: Moved to...
* tree-ssa-loop.cc: ...here.
* tree-ssa-math-opts.c: Moved to...
* tree-ssa-math-opts.cc: ...here.
* tree-ssa-operands.c: Moved to...
* tree-ssa-operands.cc: ...here.
* tree-ssa-phiopt.c: Moved to...
* tree-ssa-phiopt.cc: ...here.
* tree-ssa-phiprop.c: Moved to...
* tree-ssa-phiprop.cc: ...here.
* tree-ssa-pre.c: Moved to...
* tree-ssa-pre.cc: ...here.
* tree-ssa-propagate.c: Moved to...
* tree-ssa-propagate.cc: ...here.
* tree-ssa-reassoc.c: Moved to...
* tree-ssa-reassoc.cc: ...here.
* tree-ssa-sccvn.c: Moved to...
* tree-ssa-sccvn.cc: ...here.
* tree-ssa-scopedtables.c: Moved to...
* tree-ssa-scopedtables.cc: ...here.
* tree-ssa-sink.c: Moved to...
* tree-ssa-sink.cc: ...here.
* tree-ssa-strlen.c: Moved to...
* tree-ssa-strlen.cc: ...here.
* tree-ssa-structalias.c: Moved to...
* tree-ssa-structalias.cc: ...here.
* tree-ssa-tail-merge.c: Moved to...
* tree-ssa-tail-merge.cc: ...here.
* tree-ssa-ter.c: Moved to...
* tree-ssa-ter.cc: ...here.
* tree-ssa-threadbackward.c: Moved to...
* tree-ssa-threadbackward.cc: ...here.
* tree-ssa-threadedge.c: Moved to...
* tree-ssa-threadedge.cc: ...here.
* tree-ssa-threadupdate.c: Moved to...
* tree-ssa-threadupdate.cc: ...here.
* tree-ssa-uncprop.c: Moved to...
* tree-ssa-uncprop.cc: ...here.
* tree-ssa-uninit.c: Moved to...
* tree-ssa-uninit.cc: ...here.
* tree-ssa.c: Moved to...
* tree-ssa.cc: ...here.
* tree-ssanames.c: Moved to...
* tree-ssanames.cc: ...here.
* tree-stdarg.c: Moved to...
* tree-stdarg.cc: ...here.
* tree-streamer-in.c: Moved to...
* tree-streamer-in.cc: ...here.
* tree-streamer-out.c: Moved to...
* tree-streamer-out.cc: ...here.
* tree-streamer.c: Moved to...
* tree-streamer.cc: ...here.
* tree-switch-conversion.c: Moved to...
* tree-switch-conversion.cc: ...here.
* tree-tailcall.c: Moved to...
* tree-tailcall.cc: ...here.
* tree-vect-data-refs.c: Moved to...
* tree-vect-data-refs.cc: ...here.
* tree-vect-generic.c: Moved to...
* tree-vect-generic.cc: ...here.
* tree-vect-loop-manip.c: Moved to...
* tree-vect-loop-manip.cc: ...here.
* tree-vect-loop.c: Moved to...
* tree-vect-loop.cc: ...here.
* tree-vect-patterns.c: Moved to...
* tree-vect-patterns.cc: ...here.
* tree-vect-slp-patterns.c: Moved to...
* tree-vect-slp-patterns.cc: ...here.
* tree-vect-slp.c: Moved to...
* tree-vect-slp.cc: ...here.
* tree-vect-stmts.c: Moved to...
* tree-vect-stmts.cc: ...here.
* tree-vector-builder.c: Moved to...
* tree-vector-builder.cc: ...here.
* tree-vectorizer.c: Moved to...
* tree-vectorizer.cc: ...here.
* tree-vrp.c: Moved to...
* tree-vrp.cc: ...here.
* tree.c: Moved to...
* tree.cc: ...here.
* tsan.c: Moved to...
* tsan.cc: ...here.
* typed-splay-tree.c: Moved to...
* typed-splay-tree.cc: ...here.
* ubsan.c: Moved to...
* ubsan.cc: ...here.
* valtrack.c: Moved to...
* valtrack.cc: ...here.
* value-prof.c: Moved to...
* value-prof.cc: ...here.
* var-tracking.c: Moved to...
* var-tracking.cc: ...here.
* varasm.c: Moved to...
* varasm.cc: ...here.
* varpool.c: Moved to...
* varpool.cc: ...here.
* vec-perm-indices.c: Moved to...
* vec-perm-indices.cc: ...here.
* vec.c: Moved to...
* vec.cc: ...here.
* vmsdbgout.c: Moved to...
* vmsdbgout.cc: ...here.
* vr-values.c: Moved to...
* vr-values.cc: ...here.
* vtable-verify.c: Moved to...
* vtable-verify.cc: ...here.
* web.c: Moved to...
* web.cc: ...here.
* xcoffout.c: Moved to...
* xcoffout.cc: ...here.
gcc/c-family/ChangeLog:
* c-ada-spec.c: Moved to...
* c-ada-spec.cc: ...here.
* c-attribs.c: Moved to...
* c-attribs.cc: ...here.
* c-common.c: Moved to...
* c-common.cc: ...here.
* c-cppbuiltin.c: Moved to...
* c-cppbuiltin.cc: ...here.
* c-dump.c: Moved to...
* c-dump.cc: ...here.
* c-format.c: Moved to...
* c-format.cc: ...here.
* c-gimplify.c: Moved to...
* c-gimplify.cc: ...here.
* c-indentation.c: Moved to...
* c-indentation.cc: ...here.
* c-lex.c: Moved to...
* c-lex.cc: ...here.
* c-omp.c: Moved to...
* c-omp.cc: ...here.
* c-opts.c: Moved to...
* c-opts.cc: ...here.
* c-pch.c: Moved to...
* c-pch.cc: ...here.
* c-ppoutput.c: Moved to...
* c-ppoutput.cc: ...here.
* c-pragma.c: Moved to...
* c-pragma.cc: ...here.
* c-pretty-print.c: Moved to...
* c-pretty-print.cc: ...here.
* c-semantics.c: Moved to...
* c-semantics.cc: ...here.
* c-ubsan.c: Moved to...
* c-ubsan.cc: ...here.
* c-warn.c: Moved to...
* c-warn.cc: ...here.
* cppspec.c: Moved to...
* cppspec.cc: ...here.
* stub-objc.c: Moved to...
* stub-objc.cc: ...here.
gcc/c/ChangeLog:
* c-aux-info.c: Moved to...
* c-aux-info.cc: ...here.
* c-convert.c: Moved to...
* c-convert.cc: ...here.
* c-decl.c: Moved to...
* c-decl.cc: ...here.
* c-errors.c: Moved to...
* c-errors.cc: ...here.
* c-fold.c: Moved to...
* c-fold.cc: ...here.
* c-lang.c: Moved to...
* c-lang.cc: ...here.
* c-objc-common.c: Moved to...
* c-objc-common.cc: ...here.
* c-parser.c: Moved to...
* c-parser.cc: ...here.
* c-typeck.c: Moved to...
* c-typeck.cc: ...here.
* gccspec.c: Moved to...
* gccspec.cc: ...here.
* gimple-parser.c: Moved to...
* gimple-parser.cc: ...here.
gcc/cp/ChangeLog:
* call.c: Moved to...
* call.cc: ...here.
* class.c: Moved to...
* class.cc: ...here.
* constexpr.c: Moved to...
* constexpr.cc: ...here.
* cp-gimplify.c: Moved to...
* cp-gimplify.cc: ...here.
* cp-lang.c: Moved to...
* cp-lang.cc: ...here.
* cp-objcp-common.c: Moved to...
* cp-objcp-common.cc: ...here.
* cp-ubsan.c: Moved to...
* cp-ubsan.cc: ...here.
* cvt.c: Moved to...
* cvt.cc: ...here.
* cxx-pretty-print.c: Moved to...
* cxx-pretty-print.cc: ...here.
* decl.c: Moved to...
* decl.cc: ...here.
* decl2.c: Moved to...
* decl2.cc: ...here.
* dump.c: Moved to...
* dump.cc: ...here.
* error.c: Moved to...
* error.cc: ...here.
* except.c: Moved to...
* except.cc: ...here.
* expr.c: Moved to...
* expr.cc: ...here.
* friend.c: Moved to...
* friend.cc: ...here.
* g++spec.c: Moved to...
* g++spec.cc: ...here.
* init.c: Moved to...
* init.cc: ...here.
* lambda.c: Moved to...
* lambda.cc: ...here.
* lex.c: Moved to...
* lex.cc: ...here.
* mangle.c: Moved to...
* mangle.cc: ...here.
* method.c: Moved to...
* method.cc: ...here.
* name-lookup.c: Moved to...
* name-lookup.cc: ...here.
* optimize.c: Moved to...
* optimize.cc: ...here.
* parser.c: Moved to...
* parser.cc: ...here.
* pt.c: Moved to...
* pt.cc: ...here.
* ptree.c: Moved to...
* ptree.cc: ...here.
* rtti.c: Moved to...
* rtti.cc: ...here.
* search.c: Moved to...
* search.cc: ...here.
* semantics.c: Moved to...
* semantics.cc: ...here.
* tree.c: Moved to...
* tree.cc: ...here.
* typeck.c: Moved to...
* typeck.cc: ...here.
* typeck2.c: Moved to...
* typeck2.cc: ...here.
* vtable-class-hierarchy.c: Moved to...
* vtable-class-hierarchy.cc: ...here.
gcc/fortran/ChangeLog:
* arith.c: Moved to...
* arith.cc: ...here.
* array.c: Moved to...
* array.cc: ...here.
* bbt.c: Moved to...
* bbt.cc: ...here.
* check.c: Moved to...
* check.cc: ...here.
* class.c: Moved to...
* class.cc: ...here.
* constructor.c: Moved to...
* constructor.cc: ...here.
* convert.c: Moved to...
* convert.cc: ...here.
* cpp.c: Moved to...
* cpp.cc: ...here.
* data.c: Moved to...
* data.cc: ...here.
* decl.c: Moved to...
* decl.cc: ...here.
* dependency.c: Moved to...
* dependency.cc: ...here.
* dump-parse-tree.c: Moved to...
* dump-parse-tree.cc: ...here.
* error.c: Moved to...
* error.cc: ...here.
* expr.c: Moved to...
* expr.cc: ...here.
* f95-lang.c: Moved to...
* f95-lang.cc: ...here.
* frontend-passes.c: Moved to...
* frontend-passes.cc: ...here.
* gfortranspec.c: Moved to...
* gfortranspec.cc: ...here.
* interface.c: Moved to...
* interface.cc: ...here.
* intrinsic.c: Moved to...
* intrinsic.cc: ...here.
* io.c: Moved to...
* io.cc: ...here.
* iresolve.c: Moved to...
* iresolve.cc: ...here.
* match.c: Moved to...
* match.cc: ...here.
* matchexp.c: Moved to...
* matchexp.cc: ...here.
* misc.c: Moved to...
* misc.cc: ...here.
* module.c: Moved to...
* module.cc: ...here.
* openmp.c: Moved to...
* openmp.cc: ...here.
* options.c: Moved to...
* options.cc: ...here.
* parse.c: Moved to...
* parse.cc: ...here.
* primary.c: Moved to...
* primary.cc: ...here.
* resolve.c: Moved to...
* resolve.cc: ...here.
* scanner.c: Moved to...
* scanner.cc: ...here.
* simplify.c: Moved to...
* simplify.cc: ...here.
* st.c: Moved to...
* st.cc: ...here.
* symbol.c: Moved to...
* symbol.cc: ...here.
* target-memory.c: Moved to...
* target-memory.cc: ...here.
* trans-array.c: Moved to...
* trans-array.cc: ...here.
* trans-common.c: Moved to...
* trans-common.cc: ...here.
* trans-const.c: Moved to...
* trans-const.cc: ...here.
* trans-decl.c: Moved to...
* trans-decl.cc: ...here.
* trans-expr.c: Moved to...
* trans-expr.cc: ...here.
* trans-intrinsic.c: Moved to...
* trans-intrinsic.cc: ...here.
* trans-io.c: Moved to...
* trans-io.cc: ...here.
* trans-openmp.c: Moved to...
* trans-openmp.cc: ...here.
* trans-stmt.c: Moved to...
* trans-stmt.cc: ...here.
* trans-types.c: Moved to...
* trans-types.cc: ...here.
* trans.c: Moved to...
* trans.cc: ...here.
gcc/go/ChangeLog:
* go-backend.c: Moved to...
* go-backend.cc: ...here.
* go-lang.c: Moved to...
* go-lang.cc: ...here.
* gospec.c: Moved to...
* gospec.cc: ...here.
gcc/jit/ChangeLog:
* dummy-frontend.c: Moved to...
* dummy-frontend.cc: ...here.
* jit-builtins.c: Moved to...
* jit-builtins.cc: ...here.
* jit-logging.c: Moved to...
* jit-logging.cc: ...here.
* jit-playback.c: Moved to...
* jit-playback.cc: ...here.
* jit-recording.c: Moved to...
* jit-recording.cc: ...here.
* jit-result.c: Moved to...
* jit-result.cc: ...here.
* jit-spec.c: Moved to...
* jit-spec.cc: ...here.
* jit-tempdir.c: Moved to...
* jit-tempdir.cc: ...here.
* jit-w32.c: Moved to...
* jit-w32.cc: ...here.
* libgccjit.c: Moved to...
* libgccjit.cc: ...here.
gcc/lto/ChangeLog:
* common.c: Moved to...
* common.cc: ...here.
* lto-common.c: Moved to...
* lto-common.cc: ...here.
* lto-dump.c: Moved to...
* lto-dump.cc: ...here.
* lto-lang.c: Moved to...
* lto-lang.cc: ...here.
* lto-object.c: Moved to...
* lto-object.cc: ...here.
* lto-partition.c: Moved to...
* lto-partition.cc: ...here.
* lto-symtab.c: Moved to...
* lto-symtab.cc: ...here.
* lto.c: Moved to...
* lto.cc: ...here.
gcc/objc/ChangeLog:
* objc-act.c: Moved to...
* objc-act.cc: ...here.
* objc-encoding.c: Moved to...
* objc-encoding.cc: ...here.
* objc-gnu-runtime-abi-01.c: Moved to...
* objc-gnu-runtime-abi-01.cc: ...here.
* objc-lang.c: Moved to...
* objc-lang.cc: ...here.
* objc-map.c: Moved to...
* objc-map.cc: ...here.
* objc-next-runtime-abi-01.c: Moved to...
* objc-next-runtime-abi-01.cc: ...here.
* objc-next-runtime-abi-02.c: Moved to...
* objc-next-runtime-abi-02.cc: ...here.
* objc-runtime-shared-support.c: Moved to...
* objc-runtime-shared-support.cc: ...here.
gcc/objcp/ChangeLog:
* objcp-decl.c: Moved to...
* objcp-decl.cc: ...here.
* objcp-lang.c: Moved to...
* objcp-lang.cc: ...here.
libcpp/ChangeLog:
* charset.c: Moved to...
* charset.cc: ...here.
* directives.c: Moved to...
* directives.cc: ...here.
* errors.c: Moved to...
* errors.cc: ...here.
* expr.c: Moved to...
* expr.cc: ...here.
* files.c: Moved to...
* files.cc: ...here.
* identifiers.c: Moved to...
* identifiers.cc: ...here.
* init.c: Moved to...
* init.cc: ...here.
* lex.c: Moved to...
* lex.cc: ...here.
* line-map.c: Moved to...
* line-map.cc: ...here.
* macro.c: Moved to...
* macro.cc: ...here.
* makeucnid.c: Moved to...
* makeucnid.cc: ...here.
* mkdeps.c: Moved to...
* mkdeps.cc: ...here.
* pch.c: Moved to...
* pch.cc: ...here.
* symtab.c: Moved to...
* symtab.cc: ...here.
* traditional.c: Moved to...
* traditional.cc: ...here.
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Fix ICE for cases like:
#pragma omp target update from(s[0].a[0:1])
where multiple ARRAY_REF nodes exist and require more than one peeling
during [c_]finish_omp_clauses.
PR c++/103705
gcc/c/ChangeLog:
* c-typeck.c (c_finish_omp_clauses): Also continue peeling off of
outer node for ARRAY_REFs.
gcc/cp/ChangeLog:
* semantics.c (finish_omp_clauses): Also continue peeling off of
outer node for ARRAY_REFs.
gcc/testsuite/ChangeLog:
* c-c++-common/gomp/pr103705.c: New test.
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|
Immediate functions should never be emitted into assembly, the FE doesn't
genericize them and does various things to ensure they aren't gimplified.
But the following testcase ICEs anyway due to that, because the consteval
function returns a lambda, and operator() of the lambda has
decl_function_context of the consteval function. cgraphunit.c then
does:
/* Preserve a functions function context node. It will
later be needed to output debug info. */
if (tree fn = decl_function_context (decl))
{
cgraph_node *origin_node = cgraph_node::get_create (fn);
enqueue_node (origin_node);
}
which enqueues the immediate function and then tries to gimplify it,
which results in ICE because it hasn't been genericized.
When I try similar testcase with constexpr instead of consteval and
static constinit auto instead of auto in main, what happens is that
the functions are gimplified, later ipa.c discovers they aren't reachable
and sets body_removed to true for them (and clears other flags) and we end
up with a debug info which has the foo and bar functions without
DW_AT_low_pc and other code specific attributes, just stuff from its BLOCK
structure and in there the lambda with DW_AT_low_pc etc.
The following patch attempts to emulate that behavior early, so that cgraph
doesn't try to gimplify those and pretends they were already gimplified
and found unused and optimized away.
2022-01-10 Jakub Jelinek <jakub@redhat.com>
PR c++/103912
* semantics.c (expand_or_defer_fn): For immediate functions, set
node->body_removed to true and clear analyzed, definition and
force_output.
* decl2.c (c_parse_final_cleanups): Ignore immediate functions for
expand_or_defer_fn.
* g++.dg/cpp2a/consteval26.C: New test.
|
|
My earlier attempt to fix this bug didn't handle the case where both the
return and the throwing cleanup are within a try-block that catches and
discards the exception. Fixed by adding the retval cleanup to any
try-blocks as well as the function body. PR102191 pointed out that we also
weren't handling templates properly, so I moved the call out of the parser.
PR c++/33799
PR c++/102191
gcc/cp/ChangeLog:
* except.c (maybe_splice_retval_cleanup): Check
current_binding_level.
* semantics.c (do_poplevel): Call it here.
* parser.c (cp_parser_compound_statement): Not here.
gcc/testsuite/ChangeLog:
* g++.dg/eh/return1.C: Add temporary in try block case.
* g++.dg/cpp2a/constexpr-dtor11.C: New test.
|
|
|
|
This patch makes us remember the function selected by overload resolution
during ahead of time processing of a non-dependent call expression, so
that at instantiation time we avoid repeating some of the work of overload
resolution for the call. Note that we already do this for non-dependent
operator expressions via build_min_non_dep_op_overload.
Some caveats:
* When processing ahead of time a non-dependent call to a member
function template of a currently open class template (as in
g++.dg/template/deduce4.C), we end up generating an "inside-out"
partial instantiation such as S<T>::foo<int, int>(), the likes of
which we're apparently not prepared to fully instantiate. So in this
situation, we instead prune to the selected template instead of the
specialization in this situation.
* This change triggered a latent FUNCTION_DECL pretty printing issue
in cpp0x/error2.C -- since we now resolve the call to foo<0> ahead
of time, the error now looks like:
error: expansion pattern ‘foo()()=0’ contains no parameter pack
where the FUNCTION_DECL for foo<0> is clearly misprinted. But this
pretty-printing issue could be reproduced without this patch if
we define foo as a non-template function. Since this testcase was
added to verify pretty printing of TEMPLATE_ID_EXPR, I work around
this test failure by making the call to foo type-dependent and thus
immune to this ahead of time pruning.
* We now reject parts of cpp0x/fntmp-equiv1.C because we notice that
the non-dependent call d(f, b) in
int d(int, int);
template <unsigned long f, unsigned b, typename> e<d(f, b)> d();
is non-constexpr. Since this testcase is about equivalency of
dependent names in the context of declaration matching, it seems the
best fix here is to make the calls to d, d2 and d3 within the
function signatures dependent.
gcc/cp/ChangeLog:
* call.c (build_new_method_call): For a non-dependent call
expression inside a template, returning a templated tree
whose overload set contains just the selected function.
* semantics.c (finish_call_expr): Likewise.
gcc/testsuite/ChangeLog:
* g++.dg/cpp0x/error2.C: Make the call to foo type-dependent in
order to avoid latent pretty-printing issue for FUNCTION_DECL
inside MODOP_EXPR.
* g++.dg/cpp0x/fntmp-equiv1.C: Make the calls to d, d2 and d3
within the function signatures dependent.
* g++.dg/template/non-dependent16.C: New test.
* g++.dg/template/non-dependent16a.C: New test.
* g++.dg/template/non-dependent17.C: New test.
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|
In order to properly implement two-stage name lookup for dependent
operator expressions, we need to remember the result of unqualified
lookup of the operator at template definition time, and reuse that
result rather than performing another unqualified lookup at
instantiation time.
Ideally we could just store the lookup in the expression directly, but
as pointed out in r9-6405 this isn't really possible since we use the
standard tree codes to represent most dependent operator expressions.
We could perhaps create a new tree code to represent dependent operator
expressions, with enough operands to store the lookup along with
everything else, but that'd require a lot of careful work to make sure
we handle this new tree code properly across the frontend.
But currently type-dependent operator (and call) expressions are given
an empty TREE_TYPE, which dependent_type_p treats as dependent, so this
field is effectively unused except to signal that the expression is
type-dependent. It'd be convenient if we could store the lookup there
while preserving the dependent-ness of the expression.
To that end, this patch creates a new kind of type, called
DEPENDENT_OPERATOR_TYPE, which we give to dependent operator expressions
and into which we can store the result of operator lookup at template
definition time (DEPENDENT_OPERATOR_TYPE_SAVED_LOOKUPS). Since this
type is always dependent (by definition), and since the frontend doesn't
seem to care much about the exact type of a type-dependent expression,
using this type in place of a NULL_TREE type seems to "just work"; only
dependent_type_p and WILDCARD_TYPE_P need to be adjusted to return true
for this new type.
The rest of the patch mostly consists of adding the necessary plumbing
to pass DEPENDENT_OPERATOR_TYPE_SAVED_LOOKUPS to add_operator_candidates,
adjusting all callers of build_x_* appropriately, and removing the now
unnecessary push_operator_bindings mechanism.
In passing, this patch simplifies finish_constraint_binary_op to avoid
using build_x_binary_op for building a binary constraint-expr; we don't
need to consider operator overloads here, as the &&/|| inside a
constraint effectively always has the built-in meaning (since atomic
constraints must have bool type).
This patch also makes FOLD_EXPR_OP yield a tree_code instead of a raw
INTEGER_CST.
Finally, this patch adds the XFAILed test operator-8.C which is about
broken two-stage name lookup for rewritten non-dependent operator
expressions, an existing bug that's otherwise only documented in
build_new_op.
PR c++/51577
PR c++/83035
PR c++/100465
gcc/cp/ChangeLog:
* call.c (add_operator_candidates): Add lookups parameter.
Use it to avoid performing a second unqualified lookup when
instantiating a dependent operator expression.
(build_new_op): Add lookups parameter and pass it appropriately.
* constraint.cc (finish_constraint_binary_op): Use
build_min_nt_loc instead of build_x_binary_op.
* coroutines.cc (build_co_await): Adjust call to build_new_op.
* cp-objcp-common.c (cp_common_init_ts): Mark
DEPENDENT_OPERATOR_TYPE appropriately.
* cp-tree.def (DEPENDENT_OPERATOR_TYPE): Define.
* cp-tree.h (WILDCARD_TYPE_P): Accept DEPENDENT_OPERATOR_TYPE.
(FOLD_EXPR_OP_RAW): New, renamed from ...
(FOLD_EXPR_OP): ... this. Change this to return the tree_code directly.
(DEPENDENT_OPERATOR_TYPE_SAVED_LOOKUPS): Define.
(templated_operator_saved_lookups): Define.
(build_new_op): Add lookups parameter.
(build_dependent_operator_type): Declare.
(build_x_indirect_ref): Add lookups parameter.
(build_x_binary_op): Likewise.
(build_x_unary_op): Likewise.
(build_x_compound_expr): Likewise.
(build_x_modify_expr): Likewise.
* cxx-pretty-print.c (get_fold_operator): Adjust after
FOLD_EXPR_OP change.
* decl.c (start_preparsed_function): Don't call
push_operator_bindings.
* decl2.c (grok_array_decl): Adjust calls to build_new_op.
* method.c (do_one_comp): Likewise.
(build_comparison_op): Likewise.
* module.cc (trees_out::type_node): Handle DEPENDENT_OPERATOR_TYPE.
(trees_in::tree_node): Likewise.
* name-lookup.c (lookup_name): Revert r11-2876 change.
(op_unqualified_lookup): Remove.
(maybe_save_operator_binding): Remove.
(discard_operator_bindings): Remove.
(push_operator_bindings): Remove.
* name-lookup.h (maybe_save_operator_binding): Remove.
(push_operator_bindings): Remove.
(discard_operator_bindings): Remove.
* parser.c (cp_parser_unary_expression): Adjust calls to build_x_*.
(cp_parser_binary_expression): Likewise.
(cp_parser_assignment_expression): Likewise.
(cp_parser_expression): Likewise.
(do_range_for_auto_deduction): Likewise.
(cp_convert_range_for): Likewise.
(cp_parser_perform_range_for_lookup): Likewise.
(cp_parser_template_argument): Likewise.
(cp_parser_omp_for_cond): Likewise.
(cp_parser_omp_for_incr): Likewise.
(cp_parser_omp_for_loop_init): Likewise.
(cp_convert_omp_range_for): Likewise.
(cp_finish_omp_range_for): Likewise.
* pt.c (fold_expression): Adjust after FOLD_EXPR_OP change. Pass
templated_operator_saved_lookups to build_x_*.
(tsubst_omp_for_iterator): Adjust call to build_x_modify_expr.
(tsubst_expr) <case COMPOUND_EXPR>: Pass
templated_operator_saved_lookups to build_x_*.
(tsubst_copy_and_build) <case INDIRECT_REF>: Likewise.
<case tcc_unary>: Likewise.
<case tcc_binary>: Likewise.
<case MODOP_EXPR>: Likewise.
<case COMPOUND_EXPR>: Likewise.
(dependent_type_p_r): Return true for DEPENDENT_OPERATOR_TYPE.
* ptree.c (cxx_print_type): Handle DEPENDENT_OPERATOR_TYPE.
* semantics.c (finish_increment_expr): Adjust call to
build_x_unary_op.
(finish_unary_op_expr): Likewise.
(handle_omp_for_class_iterator): Adjust calls to build_x_*.
(finish_omp_cancel): Likewise.
(finish_unary_fold_expr): Use build_dependent_operator_type.
(finish_binary_fold_expr): Likewise.
* tree.c (cp_free_lang_data): Don't call discard_operator_bindings.
* typeck.c (rationalize_conditional_expr): Adjust call to
build_x_binary_op.
(op_unqualified_lookup): Define.
(build_dependent_operator_type): Define.
(build_x_indirect_ref): Add lookups parameter and use
build_dependent_operator_type.
(build_x_binary_op): Likewise.
(build_x_array_ref): Likewise.
(build_x_unary_op): Likewise.
(build_x_compound_expr_from_list): Adjust call to
build_x_compound_expr.
(build_x_compound_expr_from_vec): Likewise.
(build_x_compound_expr): Add lookups parameter and use
build_dependent_operator_type.
(cp_build_modify_expr): Adjust call to build_new_op.
(build_x_modify_expr): Add lookups parameter and use
build_dependent_operator_type.
* typeck2.c (build_x_arrow): Adjust call to build_new_op.
libcc1/ChangeLog:
* libcp1plugin.cc (plugin_build_unary_expr): Adjust call to
build_x_unary_op.
(plugin_build_binary_expr): Adjust call to build_x_binary_op.
gcc/testsuite/ChangeLog:
* g++.dg/lookup/operator-3.C: Split out operator overload
declarations into ...
* g++.dg/lookup/operator-3-ops.h: ... here.
* g++.dg/lookup/operator-3a.C: New test.
* g++.dg/lookup/operator-4.C: New test.
* g++.dg/lookup/operator-4a.C: New test.
* g++.dg/lookup/operator-5.C: New test.
* g++.dg/lookup/operator-5a.C: New test.
* g++.dg/lookup/operator-6.C: New test.
* g++.dg/lookup/operator-7.C: New test.
* g++.dg/lookup/operator-8.C: New test.
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On OMP_CLAUSEs we reuse TREE_TYPE as CP_OMP_CLAUSE_INFO in the C++ FE.
This confuses the hashing code that operand_equal_p does when checking.
There is really no reason to compare OMP_CLAUSEs against expressions
like captured this, they will never compare equal.
2021-12-15 Jakub Jelinek <jakub@redhat.com>
PR c++/103704
* semantics.c (finish_omp_target_clauses_r): For OMP_CLAUSEs
just walk subtrees.
* g++.dg/gomp/pr103704.C: New test.
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We use processing_template_decl in two slightly different ways: as a
flag to signal that we're dealing with templated trees, and as a measure
of the current syntactic template nesting depth. This overloaded
meaning of p_t_d is conceptually confusing and leads to bugs that we end
up working around in an ad-hoc fashion.
This patch replaces all uses of processing_template_decl that care about
its magnitude to instead look at the depth of current_template_parms
via a new macro current_template_depth. This allows us to eliminate 3
workarounds in the concepts code: two about non-templated
requires-expressions (in constraint.cc) and one about lambdas inside
constraints (in cp_parser_requires_clause_expression etc). This also
fixes the testcase in PR103408 about auto(x) used inside a non-templated
requires-expression.
The replacement was mostly mechanical, aside from two issues:
* In synthesize_implicit_template_parm, when introducing a new template
parameter list for an abbreviated function template, we need to add
the new level of current_template_parms sooner, before calling
process_template_parm, since this latter function now looks at
current_template_depth to determine the level of the new parameter.
* In instantiate_class_template_1 after substituting a template
friend declaration, we currently increment processing_template_decl
around the call to make_friend_class so that the friend_depth
computation within this subroutine yields a nonzero value. We could
just replace this with an equivalent manipulation of
current_template_depth, but this patch instead rewrites the
friend_depth calculation within make_friend_class to not depend on
p_t_d / c_t_d at all when called from instantiate_class_template_1.
PR c++/103408
gcc/cp/ChangeLog:
* constraint.cc (type_deducible_p): Remove workaround for
non-templated requires-expressions.
(normalize_placeholder_type_constraints): Likewise.
* cp-tree.h (current_template_depth): Define.
(PROCESSING_REAL_TEMPLATE_DECL): Inspect current_template_depth
instead of the magnitude of processing_template_decl.
* decl.c (start_decl): Likewise.
(grokfndecl): Likewise.
(grokvardecl): Likewise.
(grokdeclarator): Likewise.
* friend.c (make_friend_class): Likewise. Calculate
friend_depth differently when called at instantiation time
instead of parse time.
(do_friend): Likewise.
* parser.c (cp_parser_requires_clause_expression): Remove
workaround for lambdas inside constraints.
(cp_parser_constraint_expression): Likewise.
(cp_parser_requires_expression): Likewise.
(synthesize_implicit_template_parm): Add to current_template_parms
before calling process_template_parm.
* pt.c (inline_needs_template_parms): Inspect
current_template_depth instead of the magnitude of
processing_template_decl.
(push_inline_template_parms_recursive): Likewise.
(maybe_begin_member_template_processing): Likewise.
(begin_template_parm_list): Likewise.
(process_template_parm): Likewise.
(end_template_parm_list): Likewise.
(push_template_decl): Likewise.
(add_inherited_template_parms): Likewise.
(instantiate_class_template_1): Don't adjust
processing_template_decl around the call to make_friend_class.
adjust_processing_template_decl to adjust_template_depth. Set
current_template_parms instead of processing_template_decl when
adjust_template_depth.
(make_auto_1): Inspect current_template_depth instead of the
magnitude of processing_template_decl.
(splice_late_return_type): Likewise.
* semantics.c (fixup_template_type): Likewise.
gcc/testsuite/ChangeLog:
* g++.dg/concepts/diagnostic18.C: Expect a "constraints on a
non-templated function" error.
* g++.dg/cpp23/auto-fncast11.C: New test.
|
|
front-end adjustments
This patch implements three pieces of functionality:
(1) Adjust array section mapping to have standards conforming behavior,
mapping array sections should *NOT* also map the base-pointer:
struct S { int *ptr; ... };
struct S s;
Instead of generating this during gimplify:
map(to:*_1 [len: 400]) map(attach:s.ptr [bias: 0])
Now, adjust to:
(i.e. do not map the base-pointer together. The attach operation is still
generated, and if s.ptr is already mapped prior, attachment will happen)
The correct way of achieving the base-pointer-also-mapped behavior would be to
use:
(A small Fortran front-end patch to trans-openmp.c:gfc_trans_omp_array_section
is also included, which removes generation of a GOMP_MAP_ALWAYS_POINTER for
array types, which appears incorrect and causes a regression in
libgomp.fortranlibgomp.fortran/struct-elem-map-1.f90)
(2) Related to the first item above, are fixes in libgomp/target.c to not
overwrite attached pointers when handling device<->host copies, mainly for the
"always" case.
(3) The third is a set of changes to the C/C++ front-ends to extend the allowed
component access syntax in map clauses. These changes are enabled for both
OpenACC and OpenMP.
gcc/c/ChangeLog:
* c-parser.c (struct omp_dim): New struct type for use inside
c_parser_omp_variable_list.
(c_parser_omp_variable_list): Allow multiple levels of array and
component accesses in array section base-pointer expression.
(c_parser_omp_clause_to): Set 'allow_deref' to true in call to
c_parser_omp_var_list_parens.
(c_parser_omp_clause_from): Likewise.
* c-typeck.c (handle_omp_array_sections_1): Extend allowed range
of base-pointer expressions involving INDIRECT/MEM/ARRAY_REF and
POINTER_PLUS_EXPR.
(c_finish_omp_clauses): Extend allowed ranged of expressions
involving INDIRECT/MEM/ARRAY_REF and POINTER_PLUS_EXPR.
gcc/cp/ChangeLog:
* parser.c (struct omp_dim): New struct type for use inside
cp_parser_omp_var_list_no_open.
(cp_parser_omp_var_list_no_open): Allow multiple levels of array and
component accesses in array section base-pointer expression.
(cp_parser_omp_all_clauses): Set 'allow_deref' to true in call to
cp_parser_omp_var_list for to/from clauses.
* semantics.c (handle_omp_array_sections_1): Extend allowed range
of base-pointer expressions involving INDIRECT/MEM/ARRAY_REF and
POINTER_PLUS_EXPR.
(handle_omp_array_sections): Adjust pointer map generation of
references.
(finish_omp_clauses): Extend allowed ranged of expressions
involving INDIRECT/MEM/ARRAY_REF and POINTER_PLUS_EXPR.
gcc/fortran/ChangeLog:
* trans-openmp.c (gfc_trans_omp_array_section): Do not generate
GOMP_MAP_ALWAYS_POINTER map for main array maps of ARRAY_TYPE type.
gcc/ChangeLog:
* gimplify.c (extract_base_bit_offset): Add 'tree *offsetp' parameter,
accomodate case where 'offset' return of get_inner_reference is
non-NULL.
(is_or_contains_p): Further robustify conditions.
(omp_target_reorder_clauses): In alloc/to/from sorting phase, also
move following GOMP_MAP_ALWAYS_POINTER maps along. Add new sorting
phase where we make sure pointers with an attach/detach map are ordered
correctly.
(gimplify_scan_omp_clauses): Add modifications to avoid creating
GOMP_MAP_STRUCT and associated alloc map for attach/detach maps.
gcc/testsuite/ChangeLog:
* c-c++-common/goacc/deep-copy-arrayofstruct.c: Adjust testcase.
* c-c++-common/gomp/target-enter-data-1.c: New testcase.
* c-c++-common/gomp/target-implicit-map-2.c: New testcase.
libgomp/ChangeLog:
* target.c (gomp_map_vars_existing): Make sure attached pointer is
not overwritten during cross-host/device copying.
(gomp_update): Likewise.
(gomp_exit_data): Likewise.
* testsuite/libgomp.c++/target-11.C: Adjust testcase.
* testsuite/libgomp.c++/target-12.C: Likewise.
* testsuite/libgomp.c++/target-15.C: Likewise.
* testsuite/libgomp.c++/target-16.C: Likewise.
* testsuite/libgomp.c++/target-17.C: Likewise.
* testsuite/libgomp.c++/target-21.C: Likewise.
* testsuite/libgomp.c++/target-23.C: Likewise.
* testsuite/libgomp.c/target-23.c: Likewise.
* testsuite/libgomp.c/target-29.c: Likewise.
* testsuite/libgomp.c-c++-common/target-implicit-map-2.c: New testcase.
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This patch implements several C++ specific mapping capabilities introduced for
OpenMP 5.0, including implicit mapping of this[:1] for non-static member
functions, zero-length array section mapping of pointer-typed members,
lambda captured variable access in target regions, and use of lambda objects
inside target regions.
Several adjustments to the C/C++ front-ends to allow more member-access syntax
as valid is also included.
PR middle-end/92120
gcc/cp/ChangeLog:
* cp-tree.h (finish_omp_target): New declaration.
(finish_omp_target_clauses): Likewise.
* parser.c (cp_parser_omp_clause_map): Adjust call to
cp_parser_omp_var_list_no_open to set 'allow_deref' argument to true.
(cp_parser_omp_target): Factor out code, adjust into calls to new
function finish_omp_target.
* pt.c (tsubst_expr): Add call to finish_omp_target_clauses for
OMP_TARGET case.
* semantics.c (handle_omp_array_sections_1): Add handling to create
'this->member' from 'member' FIELD_DECL. Remove case of rejecting
'this' when not in declare simd.
(handle_omp_array_sections): Likewise.
(finish_omp_clauses): Likewise. Adjust to allow 'this[]' in OpenMP
map clauses. Handle 'A->member' case in map clauses. Remove case of
rejecting 'this' when not in declare simd.
(struct omp_target_walk_data): New struct for walking over
target-directive tree body.
(finish_omp_target_clauses_r): New function for tree walk.
(finish_omp_target_clauses): New function.
(finish_omp_target): New function.
gcc/c/ChangeLog:
* c-parser.c (c_parser_omp_clause_map): Set 'allow_deref' argument in
call to c_parser_omp_variable_list to 'true'.
* c-typeck.c (handle_omp_array_sections_1): Add strip of MEM_REF in
array base handling.
(c_finish_omp_clauses): Handle 'A->member' case in map clauses.
gcc/ChangeLog:
* gimplify.c ("tree-hash-traits.h"): Add include.
(gimplify_scan_omp_clauses): Change struct_map_to_clause to type
hash_map<tree_operand, tree> *. Adjust struct map handling to handle
cases of *A and A->B expressions. Under !DECL_P case of
GOMP_CLAUSE_MAP handling, add STRIP_NOPS for indir_p case, add to
struct_deref_set for map(*ptr_to_struct) cases. Add MEM_REF case when
handling component_ref_p case. Add unshare_expr and gimplification
when created GOMP_MAP_STRUCT is not a DECL. Add code to add
firstprivate pointer for *pointer-to-struct case.
(gimplify_adjust_omp_clauses): Move GOMP_MAP_STRUCT removal code for
exit data directives code to earlier position.
* omp-low.c (lower_omp_target):
Handle GOMP_MAP_ATTACH_ZERO_LENGTH_ARRAY_SECTION, and
GOMP_MAP_POINTER_TO_ZERO_LENGTH_ARRAY_SECTION map kinds.
* tree-pretty-print.c (dump_omp_clause): Likewise.
gcc/testsuite/ChangeLog:
* gcc.dg/gomp/target-3.c: New testcase.
* g++.dg/gomp/target-3.C: New testcase.
* g++.dg/gomp/target-lambda-1.C: New testcase.
* g++.dg/gomp/target-lambda-2.C: New testcase.
* g++.dg/gomp/target-this-1.C: New testcase.
* g++.dg/gomp/target-this-2.C: New testcase.
* g++.dg/gomp/target-this-3.C: New testcase.
* g++.dg/gomp/target-this-4.C: New testcase.
* g++.dg/gomp/target-this-5.C: New testcase.
* g++.dg/gomp/this-2.C: Adjust testcase.
include/ChangeLog:
* gomp-constants.h (enum gomp_map_kind):
Add GOMP_MAP_ATTACH_ZERO_LENGTH_ARRAY_SECTION, and
GOMP_MAP_POINTER_TO_ZERO_LENGTH_ARRAY_SECTION map kinds.
(GOMP_MAP_POINTER_P):
Include GOMP_MAP_POINTER_TO_ZERO_LENGTH_ARRAY_SECTION.
libgomp/ChangeLog:
* libgomp.h (gomp_attach_pointer): Add bool parameter.
* oacc-mem.c (acc_attach_async): Update call to gomp_attach_pointer.
(goacc_enter_data_internal): Likewise.
* target.c (gomp_map_vars_existing): Update assert condition to
include GOMP_MAP_ATTACH_ZERO_LENGTH_ARRAY_SECTION.
(gomp_map_pointer): Add 'bool allow_zero_length_array_sections'
parameter, add support for mapping a pointer with NULL target.
(gomp_attach_pointer): Add 'bool allow_zero_length_array_sections'
parameter, add support for attaching a pointer with NULL target.
(gomp_map_vars_internal): Update calls to gomp_map_pointer and
gomp_attach_pointer, add handling for
GOMP_MAP_ATTACH_ZERO_LENGTH_ARRAY_SECTION, and
GOMP_MAP_POINTER_TO_ZERO_LENGTH_ARRAY_SECTION cases.
* testsuite/libgomp.c++/target-23.C: New testcase.
* testsuite/libgomp.c++/target-lambda-1.C: New testcase.
* testsuite/libgomp.c++/target-lambda-2.C: New testcase.
* testsuite/libgomp.c++/target-this-1.C: New testcase.
* testsuite/libgomp.c++/target-this-2.C: New testcase.
* testsuite/libgomp.c++/target-this-3.C: New testcase.
* testsuite/libgomp.c++/target-this-4.C: New testcase.
* testsuite/libgomp.c++/target-this-5.C: New testcase.
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In r11-4758, I tried to fix this problem:
int &&i = 0;
decltype(auto) j = i; // should behave like int &&j = i; error
wherein do_auto_deduction was getting confused with a REFERENCE_REF_P
and it didn't realize its operand was a name, not an expression, and
deduced the wrong type.
Unfortunately that fix broke this:
int&& r = 1;
decltype(auto) rr = (r);
where 'rr' should be 'int &' since '(r)' is an expression, not a name. But
because I stripped the INDIRECT_REF with the r11-4758 change, we deduced
'rr's type as if decltype had gotten a name, resulting in 'int &&'.
I suspect I thought that the REF_PARENTHESIZED_P check when setting
'bool id' in do_auto_deduction would handle the (r) case, but that's not
the case; while the documentation for REF_PARENTHESIZED_P specifically says
it can be set in INDIRECT_REF, we don't actually do so.
This patch sets REF_PARENTHESIZED_P even on REFERENCE_REF_P, so that
do_auto_deduction can use it.
It also removes code in maybe_undo_parenthesized_ref that I think is
dead -- and we don't hit it while running dg.exp. To adduce more data,
it also looks dead here:
https://splichal.eu/lcov/gcc/cp/semantics.c.gcov.html
(It's dead since r9-1417.)
Also add a fixed test for c++/81176.
PR c++/103403
gcc/cp/ChangeLog:
* cp-gimplify.c (cp_fold): Don't recurse if maybe_undo_parenthesized_ref
doesn't change its argument.
* pt.c (do_auto_deduction): Don't strip REFERENCE_REF_P trees if they
are REF_PARENTHESIZED_P. Use stripped_init when checking for
id-expression.
* semantics.c (force_paren_expr): Set REF_PARENTHESIZED_P on
REFERENCE_REF_P trees too.
(maybe_undo_parenthesized_ref): Remove dead code.
gcc/testsuite/ChangeLog:
* g++.dg/cpp1y/decltype-auto2.C: New test.
* g++.dg/cpp1y/decltype-auto3.C: New test.
* g++.dg/cpp1y/decltype-auto4.C: New test.
* g++.dg/cpp1z/decomp-decltype1.C: New test.
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No need to implement separately in all front ends what we may implement in the
middle end, once for all.
Follow-up to preceding commit 2b7dac2c0dcb087da9e4018943c023c0678234a3
"Make OpenACC orphan gang reductions errors".
gcc/
* omp-offload.c (oacc_loop_process): Implement "gang reduction on
an orphan loop" checking.
gcc/c/
* c-typeck.c (c_finish_omp_clauses): Remove "gang reduction on an
orphan loop" checking.
gcc/cp/
* semantics.c (finish_omp_clauses): Remove "gang reduction on an
orphan loop" checking.
gcc/fortran/
* openmp.c (resolve_oacc_loop_blocks): Remove "gang reduction on
an orphan loop" checking.
(oacc_is_parallel, oacc_is_kernels, oacc_is_serial)
(oacc_is_compute_construct): Remove.
gcc/testsuite/
* gfortran.dg/goacc/orphan-reductions-1.f90: Adjust.
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This patch promotes all OpenACC gang reductions on orphan loops as
errors. Accord to the spec, orphan loops are those which are not
lexically nested inside an OpenACC parallel or kernels regions. I.e.,
acc loops inside acc routines.
At first I thought this could be a warning because the gang reduction
finalizer uses an atomic update. However, because there is no
synchronization between gangs, there is way to guarantee that reduction
will have completed once a single gang entity returns from the acc
routine call.
gcc/c/
* c-typeck.c (c_finish_omp_clauses): Emit an error on orphan
OpenACC gang reductions.
gcc/cp/
* semantics.c (finish_omp_clauses): Emit an error on orphan
OpenACC gang reductions.
gcc/fortran/
* openmp.c (oacc_is_parallel, oacc_is_kernels): New 'static'
functions.
(resolve_oacc_loop_blocks): Emit an error on orphan OpenACC gang
reductions.
gcc/
* omp-general.h (enum oacc_loop_flags): Add OLF_REDUCTION enum.
* omp-low.c (lower_oacc_head_mark): Use it to mark OpenACC
reductions.
* omp-offload.c (oacc_loop_auto_partitions): Don't assign gang
level parallelism to orphan reductions.
gcc/testsuite/
* c-c++-common/goacc/nested-reductions-1-routine.c: Adjust.
* c-c++-common/goacc/nested-reductions-2-routine.c: Likewise.
* gcc.dg/goacc/loop-processing-1.c: Likewise.
* gfortran.dg/goacc/nested-reductions-1-routine.f90: Likewise.
* gfortran.dg/goacc/nested-reductions-2-routine.f90: Likewise.
* c-c++-common/goacc/orphan-reductions-1.c: New test.
* c-c++-common/goacc/orphan-reductions-2.c: New test.
* gfortran.dg/goacc/orphan-reductions-1.f90: New test.
* gfortran.dg/goacc/orphan-reductions-2.f90: New test.
libgomp/
* testsuite/libgomp.oacc-fortran/parallel-dims.f90: Temporarily
skip.
Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com>
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The following patch implements the C++23 Multidimensional subscript operator
P2128R6 paper.
As C++20 and older only allow a single expression in between []s (albeit
for C++20 with a deprecation warning if it is a comma expression) and even
in C++23 and for the coming years I think the vast majority of subscript
expressions will still have a single expression and even in C++23 it is
quite special, as e.g. the builtin operator requires exactly one
assignment expression, the patch attempts to optimize for that case and
if possible not to slow down that common case (or use more memory for it).
So, already during parsing it differentiates between that (uses a single
index_exp tree in that case) and the new cases (zero or two+ expressions
in the list), for which it sets index_exp to NULL_TREE and uses a
releasing_vec instead similarly to how e.g. finish_call_expr uses it.
In call.c it introduces new functions build_op_subscript{,_1} which are
something in between build_new_op{,_1} and build_op_call{,_1}.
The former requires fixed number of arguments (and the patch still uses
it for the common case of subscript with exactly one index expression),
the latter handles variable number of arguments but is too CALL_EXPR specific
and handles various cases that are unnecessary for the subscript.
Right now the subscript for 0 or 2+ expressions doesn't need to deal with
builtin candidates and so is quite simple.
As discussed in the paper, for backwards compatibility, if for 2+ index
expressions build_op_subscript fails (called with tf_none) and the
expressions together form a valid comma expression (again checked with
tf_none), it is used that C++20-ish way with a pedwarn about it, but if
even that fails, build_op_subscript is called again with standard complain
flags to diagnose it in the new way. And similarly for the builtin case.
The -Wcomma-subscript warning used to be enabled by default unless
-Wno-deprecated. Since the C/C++98..20 behavior is no longer deprecated,
but ill-formed or changed meaning, it is now for C++23 enabled by
default regardless of -Wno-deprecated and controls the pedwarn (but not the
errors emitted if something wasn't valid before and isn't valid in C++23
either).
2021-11-25 Jakub Jelinek <jakub@redhat.com>
PR c++/102611
gcc/
* doc/invoke.texi (-Wcomma-subscript): Document that for
-std=c++20 the option isn't enabled by default with -Wno-deprecated
but for -std=c++23 it is.
gcc/c-family/
* c-opts.c (c_common_post_options): Enable -Wcomma-subscript by
default for C++23 regardless of warn_deprecated.
* c-cppbuiltin.c (c_cpp_builtins): Predefine
__cpp_multidimensional_subscript=202110L for C++23.
gcc/cp/
* cp-tree.h (build_op_subscript): Implement P2128R6
- Multidimensional subscript operator. Declare.
(class releasing_vec): Add release method.
(grok_array_decl): Remove bool argument, add vec<tree, va_gc> **
and tsubst_flags_t arguments.
(build_min_non_dep_op_overload): Declare another overload.
* parser.c (cp_parser_parenthesized_expression_list_elt): New function.
(cp_parser_postfix_open_square_expression): Mention C++23 syntax in
function comment. For C++23 parse zero or more than one initializer
clauses in expression list, adjust grok_array_decl caller.
(cp_parser_parenthesized_expression_list): Use
cp_parser_parenthesized_expression_list_elt.
(cp_parser_builtin_offsetof): Adjust grok_array_decl caller.
* decl.c (grok_op_properties): For C++23 don't check number
of arguments of operator[].
* decl2.c (grok_array_decl): Remove decltype_p argument, add
index_exp_list and complain arguments. If index_exp is NULL,
handle *index_exp_list as the subscript expression list.
* tree.c (build_min_non_dep_op_overload): New overload.
* call.c (add_operator_candidates, build_over_call): Adjust comments
for removal of build_new_op_1.
(build_op_subscript): New function.
* pt.c (tsubst_copy_and_build_call_args): New function.
(tsubst_copy_and_build) <case ARRAY_REF>: If second
operand is magic CALL_EXPR with ovl_op_identifier (ARRAY_REF)
as CALL_EXPR_FN, tsubst CALL_EXPR arguments including expanding
pack expressions in it and call grok_array_decl instead of
build_x_array_ref.
<case CALL_EXPR>: Use tsubst_copy_and_build_call_args.
* semantics.c (handle_omp_array_sections_1): Adjust grok_array_decl
caller.
gcc/testsuite/
* g++.dg/cpp2a/comma1.C: Expect different diagnostics for C++23.
* g++.dg/cpp2a/comma3.C: Likewise.
* g++.dg/cpp2a/comma4.C: Expect diagnostics for C++23.
* g++.dg/cpp2a/comma5.C: Expect different diagnostics for C++23.
* g++.dg/cpp23/feat-cxx2b.C: Test __cpp_multidimensional_subscript
predefined macro.
* g++.dg/cpp23/subscript1.C: New test.
* g++.dg/cpp23/subscript2.C: New test.
* g++.dg/cpp23/subscript3.C: New test.
* g++.dg/cpp23/subscript4.C: New test.
* g++.dg/cpp23/subscript5.C: New test.
* g++.dg/cpp23/subscript6.C: New test.
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This struct copy_body_data's hook is always NULL since merge
of the tuples branch, before that it has been shortly used by the C++
FE during ctor/dtor cloning to chain the remapped blocks, but only
very shortly, before transform_lang_insert_block was a bool and
the call to insert_block was done through a langhook.
I'd say that for something that hasn't been used since 4.4 there is
zero chance we'll want to use it again in the near future.
2021-11-23 Jakub Jelinek <jakub@redhat.com>
gcc/
* tree-inline.h (struct copy_body_data): Remove
transform_lang_insert_block member.
* tree-inline.c (remap_block): Don't call
id->transform_lang_insert_block.
(optimize_inline_calls, copy_gimple_seq_and_replace_locals,
tree_function_versioning, maybe_inline_call_in_expr,
copy_fn): Don't initialize id.transform_lang_insert_block.
* gimplify.c (gimplify_omp_loop): Likewise.
gcc/c/
* c-typeck.c (c_clone_omp_udr): Don't initialize
id.transform_lang_insert_block.
gcc/cp/
* semantics.c (clone_omp_udr): Don't initialize
id.transform_lang_insert_block.
* optimize.c (clone_body): Likewise.
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This patch implements P0849R8 which allows auto in a functional cast,
the result of which is a prvalue.
[expr.type.conv]/1 says that the type is determined by placeholder type
deduction. We only accept 'auto', not 'decltype(auto)' -- that the
type shall be auto comes from [dcl.type.auto.deduct]. Therefore the
rules are like for [temp.deduct.call], deducing template arguments from
a function call, so the result type will never be a reference, and we
decay arrays/functions.
PR c++/103049
gcc/cp/ChangeLog:
* semantics.c (finish_compound_literal): Accept C++23 auto{x}.
* typeck2.c (build_functional_cast_1): Accept C++23 auto(x).
gcc/testsuite/ChangeLog:
* g++.dg/cpp0x/auto25.C: Adjust dg-error.
* g++.dg/cpp0x/auto9.C: Likewise.
* g++.dg/cpp2a/concepts-pr84979-2.C: Likewise.
* g++.dg/cpp2a/concepts-pr84979-3.C: Likewise.
* g++.dg/cpp23/auto-fncast1.C: New test.
* g++.dg/cpp23/auto-fncast2.C: New test.
* g++.dg/cpp23/auto-fncast3.C: New test.
* g++.dg/cpp23/auto-fncast4.C: New test.
* g++.dg/cpp23/auto-fncast5.C: New test.
* g++.dg/cpp23/auto-fncast6.C: New test.
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New builtin to enable explicit use of PAREN_EXPR in C & C++ code.
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
gcc/testsuite/ChangeLog:
* c-c++-common/builtin-assoc-barrier-1.c: New test.
gcc/cp/ChangeLog:
* constexpr.c (cxx_eval_constant_expression): Handle PAREN_EXPR
via cxx_eval_constant_expression.
* cp-objcp-common.c (names_builtin_p): Handle
RID_BUILTIN_ASSOC_BARRIER.
* cp-tree.h: Adjust TREE_LANG_FLAG documentation to include
PAREN_EXPR in REF_PARENTHESIZED_P.
(REF_PARENTHESIZED_P): Add PAREN_EXPR.
* parser.c (cp_parser_postfix_expression): Handle
RID_BUILTIN_ASSOC_BARRIER.
* pt.c (tsubst_copy_and_build): If the PAREN_EXPR is not a
parenthesized initializer, build a new PAREN_EXPR.
* semantics.c (force_paren_expr): Simplify conditionals. Set
REF_PARENTHESIZED_P on PAREN_EXPR.
(maybe_undo_parenthesized_ref): Test PAREN_EXPR for
REF_PARENTHESIZED_P.
gcc/c-family/ChangeLog:
* c-common.c (c_common_reswords): Add __builtin_assoc_barrier.
* c-common.h (enum rid): Add RID_BUILTIN_ASSOC_BARRIER.
gcc/c/ChangeLog:
* c-decl.c (names_builtin_p): Handle RID_BUILTIN_ASSOC_BARRIER.
* c-parser.c (c_parser_postfix_expression): Likewise.
gcc/ChangeLog:
* doc/extend.texi: Document __builtin_assoc_barrier.
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Compiling coroutines/pr95736.C with the implicit constexpr patch broke
because is_this_parameter didn't recognize the coroutines proxy for 'this'.
gcc/cp/ChangeLog:
* semantics.c (is_this_parameter): Check DECL_HAS_VALUE_EXPR_P
instead of is_capture_proxy.
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In OpenMP 5.1, num_teams clause can accept either one expression as before,
but it in that case changed meaning, rather than create <= expression
teams it is now create == expression teams. Or it accepts two expressions
separated by :, with the meaning that the first is low bound and second upper
bound on how many teams should be created. The other ways to set number of
teams are upper bounds with lower bound of 1.
The following patch does parsing of this for C/C++. For host teams, we
actually don't need to do anything further right now, we always create
(pretend to create) exactly the requested number of teams, so we can just
evaluate and throw away the lower bound for now.
For teams nested in target, we don't guarantee that though and further
work will be needed.
In particular, omplower now turns the teams part of:
struct S { S (); S (const S &); ~S (); int s; };
void bar (S &, S &);
int baz ();
_Pragma ("omp declare target to (baz)");
void
foo (void)
{
S a, b;
#pragma omp target private (a) map (b)
{
#pragma omp teams firstprivate (b) num_teams (baz ())
{
bar (a, b);
}
}
}
into:
retval.0 = baz ();
retval.1 = retval.0;
{
unsigned int retval.3;
struct S * D.2549;
struct S b;
retval.3 = (unsigned int) retval.1;
D.2549 = .omp_data_i->b;
S::S (&b, D.2549);
#pragma omp teams num_teams(retval.1) firstprivate(b) shared(a)
__builtin_GOMP_teams (retval.3, 0);
{
bar (&a, &b);
}
S::~S (&b);
#pragma omp return(nowait)
}
IMHO we want a new API, say GOMP_teams3 which will take 3 arguments
instead of 2 (the lower and upper bounds from num_teams and thread_limit)
and will return a bool whether it should do the teams body or not.
And, we should add right before outermost {} above
while (__builtin_GOMP_teams3 ((unsigned) retval.1, (unsigned) retval.1, 0))
and remove the __builtin_GOMP_teams call. The current function performs
exit equivalent (at least on NVPTX) which seems bad because that means
the destructors of e.g. private variables on target aren't invoked, and
at the current placement neither destructors of the already constructed
privatized variables in teams.
I'll do this next on the compiler side, but I'm afraid I'll need help
with the nvptx and amdgcn implementations. E.g. for nvptx, we won't be
able to use %ctaid.x . I think ideal would be to use a .shared
integer variable for the omp_get_team_num value, but I don't have any
experience with that, are .shared variables zero initialized by default,
or do they have random value at start? PTX docs say they aren't initializable.
2021-11-11 Jakub Jelinek <jakub@redhat.com>
gcc/
* tree.h (OMP_CLAUSE_NUM_TEAMS_EXPR): Rename to ...
(OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR): ... this.
(OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR): Define.
* tree.c (omp_clause_num_ops): Increase num ops for
OMP_CLAUSE_NUM_TEAMS to 2.
* tree-pretty-print.c (dump_omp_clause): Print optional lower bound
for OMP_CLAUSE_NUM_TEAMS.
* gimplify.c (gimplify_scan_omp_clauses): Gimplify
OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR if non-NULL.
(optimize_target_teams): Use OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR instead
of OMP_CLAUSE_NUM_TEAMS_EXPR. Handle OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR.
* omp-low.c (lower_omp_teams): Use OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR
instead of OMP_CLAUSE_NUM_TEAMS_EXPR.
* omp-expand.c (expand_teams_call, get_target_arguments): Likewise.
gcc/c/
* c-parser.c (c_parser_omp_clause_num_teams): Parse optional
lower-bound and store it into OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR.
Use OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR instead of
OMP_CLAUSE_NUM_TEAMS_EXPR.
(c_parser_omp_target): For OMP_CLAUSE_NUM_TEAMS evaluate before
combined target teams even lower-bound expression.
gcc/cp/
* parser.c (cp_parser_omp_clause_num_teams): Parse optional
lower-bound and store it into OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR.
Use OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR instead of
OMP_CLAUSE_NUM_TEAMS_EXPR.
(cp_parser_omp_target): For OMP_CLAUSE_NUM_TEAMS evaluate before
combined target teams even lower-bound expression.
* semantics.c (finish_omp_clauses): Handle
OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR of OMP_CLAUSE_NUM_TEAMS clause.
* pt.c (tsubst_omp_clauses): Likewise.
(tsubst_expr): For OMP_CLAUSE_NUM_TEAMS evaluate before
combined target teams even lower-bound expression.
gcc/fortran/
* trans-openmp.c (gfc_trans_omp_clauses): Use
OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR instead of OMP_CLAUSE_NUM_TEAMS_EXPR.
gcc/testsuite/
* c-c++-common/gomp/clauses-1.c (bar): Supply lower-bound expression
to half of the num_teams clauses.
* c-c++-common/gomp/num-teams-1.c: New test.
* c-c++-common/gomp/num-teams-2.c: New test.
* g++.dg/gomp/attrs-1.C (bar): Supply lower-bound expression
to half of the num_teams clauses.
* g++.dg/gomp/attrs-2.C (bar): Likewise.
* g++.dg/gomp/num-teams-1.C: New test.
* g++.dg/gomp/num-teams-2.C: New test.
libgomp/
* testsuite/libgomp.c-c++-common/teams-1.c: New test.
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Here is an implementation of DR2351 - void{} - where void{} after
pack expansion is considered valid and the same thing as void().
For templates, if CONSTRUCTOR_NELTS is 0, the CONSTRUCTOR is not dependent
and we can return void_node right away, if it is dependent and contains
only packs, then it is potentially zero element and so we need to build
CONSTRUCTOR_IS_DEPENDENT CONSTRUCTOR, while if it contains any non-pack
elts, we can diagnose it right away.
2021-10-29 Jakub Jelinek <jakub@redhat.com>
PR c++/102820
* semantics.c (maybe_zero_constructor_nelts): New function.
(finish_compound_literal): Implement DR2351 - void{}.
If type is cv void and compound_literal has no elements, return
void_node. If type is cv void and compound_literal might have no
elements after expansion, handle it like other dependent compound
literals.
* g++.dg/cpp0x/dr2351.C: New test.
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non-rectangular loops [PR102854]
In C++, if an iterator has or might have (e.g. dependent type) class type we
remember the original init expressions and check those separately for presence
of iterators, because for class iterators we turn those into expressions that
always do contain reference to the current iterator. But this resulted in
rejecting valid non-rectangular loop where the dependent type is later instantiated
to an integral type.
Non-rectangular loops with class random access iterators remain broken, that is something
to be fixed incrementally.
2021-10-27 Jakub Jelinek <jakub@redhat.com>
PR c++/102854
gcc/c-family/
* c-common.h (c_omp_check_loop_iv_exprs): Add enum tree_code argument.
* c-omp.c (c_omp_check_loop_iv_r): For trees other than decls,
TREE_VEC, PLUS_EXPR, MINUS_EXPR, MULT_EXPR, POINTER_PLUS_EXPR or
conversions temporarily clear the 3rd bit from d->kind while walking
subtrees.
(c_omp_check_loop_iv_exprs): Add CODE argument. Or in 4 into data.kind
if possibly non-rectangular.
gcc/cp/
* semantics.c (handle_omp_for_class_iterator,
finish_omp_for): Adjust c_omp_check_loop_iv_exprs caller.
gcc/testsuite/
* g++.dg/gomp/loop-3.C: Don't expect some errors.
* g++.dg/gomp/loop-7.C: New test.
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As the allocate-2.c testcase shows, this change isn't 100% backwards compatible,
one could have allocate and/or align functions that return an OpenMP allocator
handle and previously it would call those functions and now would use those
names as keywords for the modifiers. But it allows specify extra alignment
requirements for the allocations.
2021-09-22 Jakub Jelinek <jakub@redhat.com>
gcc/
* tree.h (OMP_CLAUSE_ALLOCATE_ALIGN): Define.
* tree.c (omp_clause_num_ops): Change number of OMP_CLAUSE_ALLOCATE
arguments from 2 to 3.
* tree-pretty-print.c (dump_omp_clause): Print allocator() around
allocate clause allocator and print align if present.
* omp-low.c (scan_sharing_clauses): Force allocate_map entry even
for omp_default_mem_alloc if align modifier is present. If align
modifier is present, use TREE_LIST to encode both allocator and
align.
(lower_private_allocate, lower_rec_input_clauses, create_task_copyfn):
Handle align modifier on allocator clause if present.
gcc/c-family/
* c-omp.c (c_omp_split_clauses): Copy over OMP_CLAUSE_ALLOCATE_ALIGN.
gcc/c/
* c-parser.c (c_parser_omp_clause_allocate): Parse allocate clause
modifiers.
gcc/cp/
* parser.c (cp_parser_omp_clause_allocate): Parse allocate clause
modifiers.
* semantics.c (finish_omp_clauses) <OMP_CLAUSE_ALLOCATE>: Perform
semantic analysis of OMP_CLAUSE_ALLOCATE_ALIGN.
* pt.c (tsubst_omp_clauses) <case OMP_CLAUSE_ALLOCATE>: Handle
also OMP_CLAUSE_ALLOCATE_ALIGN.
gcc/testsuite/
* c-c++-common/gomp/allocate-6.c: New test.
* c-c++-common/gomp/allocate-7.c: New test.
* g++.dg/gomp/allocate-4.C: New test.
libgomp/
* testsuite/libgomp.c-c++-common/allocate-2.c: New test.
* testsuite/libgomp.c-c++-common/allocate-3.c: New test.
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Besides the C++ FE changes, I've noticed that the C FE didn't reject
#pragma omp atomic capture compare
{ v = x; x = y; }
and other forms of atomic swap, this patch fixes that too. And the
c-family/ routine needed quite a few changes so that the new code
in it works fine with both FEs.
2021-09-17 Jakub Jelinek <jakub@redhat.com>
gcc/c-family/
* c-omp.c (c_finish_omp_atomic): Avoid creating
TARGET_EXPR if test is true, use create_tmp_var_raw instead of
create_tmp_var and add a zero initializer to TARGET_EXPRs that
had NULL initializer. When omitting operands after v = x,
use type of v rather than type of x. Fix type of vtmp
TARGET_EXPR.
gcc/c/
* c-parser.c (c_parser_omp_atomic): Reject atomic swap if capture
is true.
gcc/cp/
* cp-tree.h (finish_omp_atomic): Add r and weak arguments.
* parser.c (cp_parser_omp_atomic): Update function comment for
OpenMP 5.1 atomics, parse OpenMP 5.1 atomics and fail, compare and
weak clauses.
* semantics.c (finish_omp_atomic): Add r and weak arguments, handle
them, handle COND_EXPRs.
* pt.c (tsubst_expr): Adjust for COND_EXPR forms that
finish_omp_atomic can now produce.
gcc/testsuite/
* c-c++-common/gomp/atomic-18.c: Expect same diagnostics in C++ as in
C.
* c-c++-common/gomp/atomic-25.c: Drop c effective target.
* c-c++-common/gomp/atomic-26.c: Likewise.
* c-c++-common/gomp/atomic-27.c: Likewise.
* c-c++-common/gomp/atomic-28.c: Likewise.
* c-c++-common/gomp/atomic-29.c: Likewise.
* c-c++-common/gomp/atomic-30.c: Likewise. Adjust expected diagnostics
for C++ when it differs from C.
(foo): Change return type from double to void.
* g++.dg/gomp/atomic-5.C: Adjust expected diagnostics wording.
* g++.dg/gomp/atomic-20.C: New test.
libgomp/
* testsuite/libgomp.c-c++-common/atomic-19.c: Drop c effective target.
Use /* */ comments instead of //.
* testsuite/libgomp.c-c++-common/atomic-20.c: Likewise.
* testsuite/libgomp.c-c++-common/atomic-21.c: Likewise.
* testsuite/libgomp.c++/atomic-16.C: New test.
* testsuite/libgomp.c++/atomic-17.C: New test.
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This patch implements OpenMP 5.1 atomics (with clarifications from upcoming 5.2).
The most important changes are that it is now possible to write (for C/C++,
for Fortran it was possible before already) min/max atomics and more importantly
compare and exchange in various forms.
Also, acq_rel is now allowed on read/write and acq_rel/acquire are allowed on
update, and there are new compare, weak and fail clauses.
2021-09-10 Jakub Jelinek <jakub@redhat.com>
gcc/
* tree-core.h (enum omp_memory_order): Add OMP_MEMORY_ORDER_MASK,
OMP_FAIL_MEMORY_ORDER_UNSPECIFIED, OMP_FAIL_MEMORY_ORDER_RELAXED,
OMP_FAIL_MEMORY_ORDER_ACQUIRE, OMP_FAIL_MEMORY_ORDER_RELEASE,
OMP_FAIL_MEMORY_ORDER_ACQ_REL, OMP_FAIL_MEMORY_ORDER_SEQ_CST and
OMP_FAIL_MEMORY_ORDER_MASK enumerators.
(OMP_FAIL_MEMORY_ORDER_SHIFT): Define.
* gimple-pretty-print.c (dump_gimple_omp_atomic_load,
dump_gimple_omp_atomic_store): Print [weak] for weak atomic
load/store.
* gimple.h (enum gf_mask): Change GF_OMP_ATOMIC_MEMORY_ORDER
to 6-bit mask, adjust GF_OMP_ATOMIC_NEED_VALUE value and add
GF_OMP_ATOMIC_WEAK.
(gimple_omp_atomic_weak_p, gimple_omp_atomic_set_weak): New inline
functions.
* tree.h (OMP_ATOMIC_WEAK): Define.
* tree-pretty-print.c (dump_omp_atomic_memory_order): Adjust for
fail memory order being encoded in the same enum and also print
fail clause if present.
(dump_generic_node): Print weak clause if OMP_ATOMIC_WEAK.
* gimplify.c (goa_stabilize_expr): Add target_expr and rhs arguments,
handle pre_p == NULL case as a test mode that only returns value
but doesn't change gimplify nor change anything otherwise, adjust
recursive calls, add MODIFY_EXPR, ADDR_EXPR, COND_EXPR, TARGET_EXPR
and CALL_EXPR handling, adjust COMPOUND_EXPR handling for
__builtin_clear_padding calls, for !rhs gimplify as lvalue rather
than rvalue.
(gimplify_omp_atomic): Adjust goa_stabilize_expr caller. Handle
COND_EXPR rhs. Set weak flag on gimple load/store for
OMP_ATOMIC_WEAK.
* omp-expand.c (omp_memory_order_to_fail_memmodel): New function.
(omp_memory_order_to_memmodel): Adjust for fail clause encoded
in the same enum.
(expand_omp_atomic_cas): New function.
(expand_omp_atomic_pipeline): Use omp_memory_order_to_fail_memmodel
function.
(expand_omp_atomic): Attempt to optimize atomic compare and exchange
using expand_omp_atomic_cas.
gcc/c-family/
* c-common.h (c_finish_omp_atomic): Add r and weak arguments.
* c-omp.c: Include gimple-fold.h.
(c_finish_omp_atomic): Add r and weak arguments. Add support for
OpenMP 5.1 atomics.
gcc/c/
* c-parser.c (c_parser_conditional_expression): If omp_atomic_lhs and
cond.value is >, < or == with omp_atomic_lhs as one of the operands,
don't call build_conditional_expr, instead build a COND_EXPR directly.
(c_parser_binary_expression): Avoid calling parser_build_binary_op
if omp_atomic_lhs even in more cases for >, < or ==.
(c_parser_omp_atomic): Update function comment for OpenMP 5.1 atomics,
parse OpenMP 5.1 atomics and fail, compare and weak clauses, allow
acq_rel on atomic read/write and acq_rel/acquire clauses on update.
* c-typeck.c (build_binary_op): For flag_openmp only handle
MIN_EXPR/MAX_EXPR.
gcc/cp/
* parser.c (cp_parser_omp_atomic): Allow acq_rel on atomic read/write
and acq_rel/acquire clauses on update.
* semantics.c (finish_omp_atomic): Adjust c_finish_omp_atomic caller.
gcc/testsuite/
* c-c++-common/gomp/atomic-17.c (foo): Add tests for atomic read,
write or update with acq_rel clause and atomic update with acquire clause.
* c-c++-common/gomp/atomic-18.c (foo): Adjust expected diagnostics
wording, remove tests moved to atomic-17.c.
* c-c++-common/gomp/atomic-21.c: Expect only 2 omp atomic release and
2 omp atomic acq_rel directives instead of 4 omp atomic release.
* c-c++-common/gomp/atomic-25.c: New test.
* c-c++-common/gomp/atomic-26.c: New test.
* c-c++-common/gomp/atomic-27.c: New test.
* c-c++-common/gomp/atomic-28.c: New test.
* c-c++-common/gomp/atomic-29.c: New test.
* c-c++-common/gomp/atomic-30.c: New test.
* c-c++-common/goacc-gomp/atomic.c: Expect 1 omp atomic release and
1 omp atomic_acq_rel instead of 2 omp atomic release directives.
* gcc.dg/gomp/atomic-5.c: Adjust expected error diagnostic wording.
* g++.dg/gomp/atomic-18.C:Expect 4 omp atomic release and
1 omp atomic_acq_rel instead of 5 omp atomic release directives.
libgomp/
* testsuite/libgomp.c-c++-common/atomic-19.c: New test.
* testsuite/libgomp.c-c++-common/atomic-20.c: New test.
* testsuite/libgomp.c-c++-common/atomic-21.c: New test.
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For the testcase in PR101555 lookup_anon_field takes the majority
of parsing time followed by get_class_binding_direct/fields_linear_search
which is PR83309. The situation with anon aggregates is particularly
dire when we need to build accesses to their members and the anon
aggregates are nested. There for each such access we recursively
build sub-accesses to the anon aggregate FIELD_DECLs bottom-up,
DFS searching for them. That's inefficient since as I believe
there's a 1:1 relationship between anon aggregate types and the
FIELD_DECL used to place them.
The patch below does away with the search in lookup_anon_field and
instead records the single FIELD_DECL in the anon aggregate types
lang-specific data, re-using the RTTI typeinfo_var field. That
speeds up the compile of the testcase with -fsyntax-only from
about 4.5s to slightly less than 1s.
I tried to poke holes into the 1:1 relationship idea with my C++
knowledge but failed (which might not say much). It also leaves
a hole for the case when the C++ FE itself duplicates such type
and places it at a semantically different position. I've tried
to poke holes into it with the duplication mechanism I understand
(templates) but failed.
2021-09-08 Richard Biener <rguenther@suse.de>
PR c++/102228
gcc/cp/
* cp-tree.h (ANON_AGGR_TYPE_FIELD): New define.
* decl.c (fixup_anonymous_aggr): Wipe RTTI info put in
place on invalid code.
* decl2.c (reset_type_linkage): Guard CLASSTYPE_TYPEINFO_VAR
access.
* module.cc (trees_in::read_class_def): Likewise. Reconstruct
ANON_AGGR_TYPE_FIELD.
* semantics.c (finish_member_declaration): Populate
ANON_AGGR_TYPE_FIELD for anon aggregate typed members.
* typeck.c (lookup_anon_field): Remove DFS search and return
ANON_AGGR_TYPE_FIELD directly.
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This patch adds support for the 'seq_cst' memory order clause on the 'flush'
directive which was introduced in OpenMP 5.1.
gcc/c-family/ChangeLog:
* c-omp.c (c_finish_omp_flush): Handle MEMMODEL_SEQ_CST.
gcc/c/ChangeLog:
* c-parser.c (c_parser_omp_flush): Parse 'seq_cst' clause on 'flush'
directive.
gcc/cp/ChangeLog:
* parser.c (cp_parser_omp_flush): Parse 'seq_cst' clause on 'flush'
directive.
* semantics.c (finish_omp_flush): Handle MEMMODEL_SEQ_CST.
gcc/fortran/ChangeLog:
* openmp.c (gfc_match_omp_flush): Parse 'seq_cst' clause on 'flush'
directive.
* trans-openmp.c (gfc_trans_omp_flush): Handle OMP_MEMORDER_SEQ_CST.
gcc/testsuite/ChangeLog:
* c-c++-common/gomp/flush-1.c: Add test case for 'seq_cst'.
* c-c++-common/gomp/flush-2.c: Add test case for 'seq_cst'.
* g++.dg/gomp/attrs-1.C: Adapt test to handle all flush clauses.
* g++.dg/gomp/attrs-2.C: Adapt test to handle all flush clauses.
* gfortran.dg/gomp/flush-1.f90: Add test case for 'seq_cst'.
* gfortran.dg/gomp/flush-2.f90: Add test case for 'seq_cst'.
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'device_num' and 'ancestor' are now parsed on target device constructs for C,
C++, and Fortran (see OpenMP specification 5.0, p. 170). When 'ancestor' is
used, then 'sorry, not supported' is output. Moreover, the restrictions for
'ancestor' are implemented (see OpenMP specification 5.0, p. 174f).
gcc/c/ChangeLog:
* c-parser.c (c_parser_omp_clause_device): Parse device-modifiers 'device_num'
and 'ancestor' in 'target device' clauses.
gcc/cp/ChangeLog:
* parser.c (cp_parser_omp_clause_device): Parse device-modifiers 'device_num'
and 'ancestor' in 'target device' clauses.
* semantics.c (finish_omp_clauses): Error handling. Constant device ids must
evaluate to '1' if 'ancestor' is used.
gcc/fortran/ChangeLog:
* gfortran.h: Add variable for 'ancestor' in struct gfc_omp_clauses.
* openmp.c (gfc_match_omp_clauses): Parse device-modifiers 'device_num'
and 'ancestor' in 'target device' clauses.
* trans-openmp.c (gfc_trans_omp_clauses): Set OMP_CLAUSE_DEVICE_ANCESTOR.
gcc/ChangeLog:
* gimplify.c (gimplify_scan_omp_clauses): Error handling. 'ancestor' only
allowed on target constructs and only with particular other clauses.
* omp-expand.c (expand_omp_target): Output of 'sorry, not supported' if
'ancestor' is used.
* omp-low.c (check_omp_nesting_restrictions): Error handling. No nested OpenMP
structs when 'ancestor' is used.
(scan_omp_1_stmt): No usage of OpenMP runtime routines in a target region when
'ancestor' is used.
* tree-pretty-print.c (dump_omp_clause): Append 'ancestor'.
* tree.h (OMP_CLAUSE_DEVICE_ANCESTOR): Define macro.
gcc/testsuite/ChangeLog:
* c-c++-common/gomp/target-device-1.c: New test.
* c-c++-common/gomp/target-device-2.c: New test.
* c-c++-common/gomp/target-device-ancestor-1.c: New test.
* c-c++-common/gomp/target-device-ancestor-2.c: New test.
* c-c++-common/gomp/target-device-ancestor-3.c: New test.
* c-c++-common/gomp/target-device-ancestor-4.c: New test.
* gfortran.dg/gomp/target-device-1.f90: New test.
* gfortran.dg/gomp/target-device-2.f90: New test.
* gfortran.dg/gomp/target-device-ancestor-1.f90: New test.
* gfortran.dg/gomp/target-device-ancestor-2.f90: New test.
* gfortran.dg/gomp/target-device-ancestor-3.f90: New test.
* gfortran.dg/gomp/target-device-ancestor-4.f90: New test.
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[PR101539]
The following patch implements __is_layout_compatible trait and
__builtin_is_corresponding_member helper function for the
std::is_corresponding_member template function.
As the current definition of layout compatible type has various problems,
which result e.g. in corresponding members in layout compatible types having
different member offsets, the patch anticipates some changes to the C++
standard:
1) class or enumeral types aren't layout compatible if they have different
alignment or size
2) if two members have different offsets, they can't be corresponding members
([[no_unique_address]] with empty types can change that, or alignas
on the member decls)
3) in unions, bitfields can't correspond to non-unions, or bitfields can't
correspond to bitfields with different widths, or members with
[[no_unique_address]] can't correspond to members without that attribute
__builtin_is_corresponding_member for anonymous structs (GCC extension) will
recurse into the anonymous structs. For anonymous unions it will emit
a sorry if it can't prove such member types can't appear in the
anonymous unions or anonymous aggregates in that union, because
corresponding member is defined only using common initial sequence which is
only defined for std-layout non-union class types and so I have no idea what
to do otherwise in that case.
2021-08-17 Jakub Jelinek <jakub@redhat.com>
PR c++/101539
gcc/c-family/
* c-common.h (enum rid): Add RID_IS_LAYOUT_COMPATIBLE.
* c-common.c (c_common_reswords): Add __is_layout_compatible.
gcc/cp/
* cp-tree.h (enum cp_trait_kind): Add CPTK_IS_LAYOUT_COMPATIBLE.
(enum cp_built_in_function): Add CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
(fold_builtin_is_corresponding_member, next_common_initial_seqence,
layout_compatible_type_p): Declare.
* parser.c (cp_parser_primary_expression): Handle
RID_IS_LAYOUT_COMPATIBLE.
(cp_parser_trait_expr): Likewise.
* cp-objcp-common.c (names_builtin_p): Likewise.
* constraint.cc (diagnose_trait_expr): Handle
CPTK_IS_LAYOUT_COMPATIBLE.
* decl.c (cxx_init_decl_processing): Register
__builtin_is_corresponding_member builtin.
* constexpr.c (cxx_eval_builtin_function_call): Handle
CP_BUILT_IN_IS_CORRESPONDING_MEMBER builtin.
* semantics.c (is_corresponding_member_union,
is_corresponding_member_aggr, fold_builtin_is_corresponding_member):
New functions.
(trait_expr_value): Handle CPTK_IS_LAYOUT_COMPATIBLE.
(finish_trait_expr): Likewise.
* typeck.c (next_common_initial_seqence, layout_compatible_type_p):
New functions.
* cp-gimplify.c (cp_gimplify_expr): Fold
CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
(cp_fold): Likewise.
* tree.c (builtin_valid_in_constant_expr_p): Handle
CP_BUILT_IN_IS_CORRESPONDING_MEMBER.
* cxx-pretty-print.c (pp_cxx_trait_expression): Handle
CPTK_IS_LAYOUT_COMPATIBLE.
* class.c (remove_zero_width_bit_fields): Remove.
(layout_class_type): Don't call it.
gcc/testsuite/
* g++.dg/cpp2a/is-corresponding-member1.C: New test.
* g++.dg/cpp2a/is-corresponding-member2.C: New test.
* g++.dg/cpp2a/is-corresponding-member3.C: New test.
* g++.dg/cpp2a/is-corresponding-member4.C: New test.
* g++.dg/cpp2a/is-corresponding-member5.C: New test.
* g++.dg/cpp2a/is-corresponding-member6.C: New test.
* g++.dg/cpp2a/is-corresponding-member7.C: New test.
* g++.dg/cpp2a/is-corresponding-member8.C: New test.
* g++.dg/cpp2a/is-layout-compatible1.C: New test.
* g++.dg/cpp2a/is-layout-compatible2.C: New test.
* g++.dg/cpp2a/is-layout-compatible3.C: New test.
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This construct has been introduced as a replacement for master
construct, but unlike that construct is slightly more general,
has an optional clause which allows to choose which thread
will be the one running the region, it can be some other thread
than the master (primary) thread with number 0, or it could be no
threads or multiple threads (then of course one needs to be careful
about data races).
It is way too early to deprecate the master construct though, we don't
even have OpenMP 5.0 fully implemented, it has been deprecated in 5.1,
will be also in 5.2 and removed in 6.0. But even then it will likely
be a good idea to just -Wdeprecated warn about it and still accept it.
The patch also contains something I should have done much earlier,
for clauses that accept some integral expression where we only care
about the value, forces during gimplification that value into
either a min invariant (as before), SSA_NAME or a fresh temporary,
but never e.g. a user VAR_DECL, so that for those clauses we don't
need to worry about adjusting it.
2021-08-12 Jakub Jelinek <jakub@redhat.com>
gcc/
* tree.def (OMP_MASKED): New tree code.
* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_FILTER.
* tree.h (OMP_MASKED_BODY, OMP_MASKED_CLAUSES, OMP_MASKED_COMBINED,
OMP_CLAUSE_FILTER_EXPR): Define.
* tree.c (omp_clause_num_ops): Add OMP_CLAUSE_FILTER entry.
(omp_clause_code_name): Likewise.
(walk_tree_1): Handle OMP_CLAUSE_FILTER.
* tree-nested.c (convert_nonlocal_omp_clauses,
convert_local_omp_clauses): Handle OMP_CLAUSE_FILTER.
(convert_nonlocal_reference_stmt, convert_local_reference_stmt,
convert_gimple_call): Handle GIMPLE_OMP_MASTER.
* tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_FILTER.
(dump_generic_node): Handle OMP_MASTER.
* gimple.def (GIMPLE_OMP_MASKED): New gimple code.
* gimple.c (gimple_build_omp_masked): New function.
(gimple_copy): Handle GIMPLE_OMP_MASKED.
* gimple.h (gimple_build_omp_masked): Declare.
(gimple_has_substatements): Handle GIMPLE_OMP_MASKED.
(gimple_omp_masked_clauses, gimple_omp_masked_clauses_ptr,
gimple_omp_masked_set_clauses): New inline functions.
(CASE_GIMPLE_OMP): Add GIMPLE_OMP_MASKED.
* gimple-pretty-print.c (dump_gimple_omp_masked): New function.
(pp_gimple_stmt_1): Handle GIMPLE_OMP_MASKED.
* gimple-walk.c (walk_gimple_stmt): Likewise.
* gimple-low.c (lower_stmt): Likewise.
* gimplify.c (is_gimple_stmt): Handle OMP_MASTER.
(gimplify_scan_omp_clauses): Handle OMP_CLAUSE_FILTER. For clauses
that take one expression rather than decl or constant, force
gimplification of that into a SSA_NAME or temporary unless min
invariant.
(gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_FILTER.
(gimplify_expr): Handle OMP_MASKED.
* tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_MASKED.
(estimate_num_insns): Likewise.
* omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_FILTER.
(check_omp_nesting_restrictions): Handle GIMPLE_OMP_MASKED. Adjust
diagnostics for existence of masked construct.
(scan_omp_1_stmt, lower_omp_master, lower_omp_1, diagnose_sb_1,
diagnose_sb_2): Handle GIMPLE_OMP_MASKED.
* omp-expand.c (expand_omp_synch, expand_omp, omp_make_gimple_edges):
Likewise.
gcc/c-family/
* c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_MASKED.
(enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_FILTER.
* c-pragma.c (omp_pragmas_simd): Add masked construct.
* c-common.h (enum c_omp_clause_split): Add C_OMP_CLAUSE_SPLIT_MASKED
enumerator.
(c_finish_omp_masked): Declare.
* c-omp.c (c_finish_omp_masked): New function.
(c_omp_split_clauses): Handle combined masked constructs.
gcc/c/
* c-parser.c (c_parser_omp_clause_name): Parse filter clause name.
(c_parser_omp_clause_filter): New function.
(c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FILTER.
(OMP_MASKED_CLAUSE_MASK): Define.
(c_parser_omp_masked): New function.
(c_parser_omp_parallel): Handle parallel masked.
(c_parser_omp_construct): Handle PRAGMA_OMP_MASKED.
* c-typeck.c (c_finish_omp_clauses): Handle OMP_CLAUSE_FILTER.
gcc/cp/
* parser.c (cp_parser_omp_clause_name): Parse filter clause name.
(cp_parser_omp_clause_filter): New function.
(cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_FILTER.
(OMP_MASKED_CLAUSE_MASK): Define.
(cp_parser_omp_masked): New function.
(cp_parser_omp_parallel): Handle parallel masked.
(cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_MASKED.
* semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_FILTER.
* pt.c (tsubst_omp_clauses): Likewise.
(tsubst_expr): Handle OMP_MASKED.
gcc/testsuite/
* c-c++-common/gomp/clauses-1.c (bar): Add tests for combined masked
constructs with clauses.
* c-c++-common/gomp/clauses-5.c (foo): Add testcase for filter clause.
* c-c++-common/gomp/clause-dups-1.c (f1): Likewise.
* c-c++-common/gomp/masked-1.c: New test.
* c-c++-common/gomp/masked-2.c: New test.
* c-c++-common/gomp/masked-combined-1.c: New test.
* c-c++-common/gomp/masked-combined-2.c: New test.
* c-c++-common/goacc/uninit-if-clause.c: Remove xfails.
* g++.dg/gomp/block-11.C: New test.
* g++.dg/gomp/tpl-masked-1.C: New test.
* g++.dg/gomp/attrs-1.C (bar): Add tests for masked construct and
combined masked constructs with clauses in attribute syntax.
* g++.dg/gomp/attrs-2.C (bar): Likewise.
* gcc.dg/gomp/nesting-1.c (f1, f2): Add tests for masked construct
nesting.
* gfortran.dg/goacc/host_data-tree.f95: Allow also SSA_NAMEs in if
clause.
* gfortran.dg/goacc/kernels-tree.f95: Likewise.
libgomp/
* testsuite/libgomp.c-c++-common/masked-1.c: New test.
|
|
OpenMP 5.1 says:
For any directive that has a paired end directive, including those with a begin
and end pair, both directives must use either the attribute syntax or the
pragma syntax.
The following patch enforces it with the only pair so far recognized in C++
(Fortran has many, but on the other side doesn't have attribute syntax).
While I initially wanted to use vec<bool, va_gc> *member; in there, that
unfortunately doesn't work, one gets linker errors and I guess it is fixable,
but for begin declare target we'll need a struct anyway to store device_type
etc.
2021-08-12 Jakub Jelinek <jakub@redhat.com>
* cp-tree.h (omp_declare_target_attr): New type.
(struct saved_scope): Change type of omp_declare_target_attribute
from int to vec<omp_declare_target_attr, va_gc> * and move it.
* parser.c (cp_parser_omp_declare_target): Instead of
incrementing scope_chain->omp_declare_target_attribute, push
a struct containing parser->lexer->in_omp_attribute_pragma to
the vector.
(cp_parser_omp_end_declare_target): Instead of decrementing
scope_chain->omp_declare_target_attribute, pop a structure
from it. Diagnose mismatching declare target vs.
end declare target syntax.
* semantics.c (finish_translation_unit): Use vec_safe_length
and vec_safe_truncate on scope_chain->omp_declare_target_attributes.
* decl2.c (cplus_decl_attributes): Use vec_safe_length
on scope_chain->omp_declare_target_attributes.
* g++.dg/gomp/attrs-12.C: New test.
|
|
helpers [PR101539]
The following patch attempts to implement the compiler helpers for
libstdc++ std::is_pointer_interconvertible_base_of trait and
std::is_pointer_interconvertible_with_class template function.
For the former __is_pointer_interconvertible_base_of trait that checks first
whether base and derived aren't non-union class types that are the same
ignoring toplevel cv-qualifiers, otherwise if derived is unambiguously
derived from base without cv-qualifiers, derived being a complete type,
and if so, my limited understanding of any derived object being
pointer-interconvertible with base subobject IMHO implies (because one can't
inherit from unions or unions can't inherit) that we check if derived is
standard layout type and we walk bases of derived
recursively, stopping on a class that has any non-static data members and
check if any of the bases is base. On class with non-static data members
no bases are compared already.
Upon discussions, this is something that maybe should have been changed
in the standard with CWG 2254 and the patch no longer performs this and
assumes all base subobjects of standard-layout class types are
pointer-interconvertible with the whole class objects.
The latter is implemented using a FE
__builtin_is_pointer_interconvertible_with_class, but because on the library
side it will be a template function, the builtin takes ... arguments and
only during folding verifies it has a single argument with pointer to member
type. The initial errors IMHO can only happen if one uses the builtin
incorrectly by hand, the template function should ensure that it has
exactly a single argument that has pointer to member type.
Otherwise, again with my limited understanding of what
the template function should do and pointer-interconvertibility,
it folds to false for pointer-to-member-function, errors if
basetype of the OFFSET_TYPE is incomplete, folds to false
for non-std-layout non-union basetype, then finds the first non-static
data member in the basetype or its bases (by ignoring
DECL_FIELD_IS_BASE FIELD_DECLs that are empty, recursing into
DECL_FIELD_IS_BASE FIELD_DECLs type that are non-empty (I think
std layout should ensure there is at most one), for unions
checks if membertype is same type as any of the union FIELD_DECLs,
for non-unions the first other FIELD_DECL only, and for anonymous
aggregates similarly (union vs. non-union) but recurses into the
anon aggr types with std layout check for anon structures. If
membertype doesn't match the type of first non-static data member
(or for unions any of the members), then the builtin folds to false,
otherwise the built folds to a check whether the argument is equal
to OFFSET_TYPE of 0 or not, either at compile time if it is constant
(e.g. for constexpr folding) or at runtime otherwise.
As I wrote in the PR, I've tried my testcases with MSVC on godbolt
that claims to implement it, and https://godbolt.org/z/3PnjM33vM
for the first testcase shows it disagrees with my expectations on
static_assert (std::is_pointer_interconvertible_base_of_v<D, F>);
static_assert (std::is_pointer_interconvertible_base_of_v<E, F>);
static_assert (!std::is_pointer_interconvertible_base_of_v<D, G>);
static_assert (!std::is_pointer_interconvertible_base_of_v<D, I>);
static_assert (std::is_pointer_interconvertible_base_of_v<H, volatile I>);
Is that a bug in my patch or is MSVC buggy on these (or mix thereof)?
https://godbolt.org/z/aYeYnne9d
shows the second testcase, here it differs on:
static_assert (std::is_pointer_interconvertible_with_class<F, int> (&F::b));
static_assert (std::is_pointer_interconvertible_with_class<I, int> (&I::g));
static_assert (std::is_pointer_interconvertible_with_class<L, int> (&L::b));
static_assert (std::is_pointer_interconvertible_with_class (&V::a));
static_assert (std::is_pointer_interconvertible_with_class (&V::b));
Again, my bug, MSVC bug, mix thereof?
According to Jason the <D, G>, <D, I> case are the subject of the
CWG 2254 above discussed change and the rest are likely MSVC bugs.
Oh, and there is another thing, the standard has an example:
struct A { int a; }; // a standard-layout class
struct B { int b; }; // a standard-layout class
struct C: public A, public B { }; // not a standard-layout class
static_assert( is_pointer_interconvertible_with_class( &C::b ) );
// Succeeds because, despite its appearance, &C::b has type
// “pointer to member of B of type int”.
static_assert( is_pointer_interconvertible_with_class<C>( &C::b ) );
// Forces the use of class C, and fails.
It seems to work as written with MSVC (second assertion fails),
but fails with GCC with the patch:
/tmp/1.C:22:57: error: no matching function for call to ‘is_pointer_interconvertible_with_class<C>(int B::*)’
22 | static_assert( is_pointer_interconvertible_with_class<C>( &C::b ) );
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
/tmp/1.C:8:1: note: candidate: ‘template<class S, class M> constexpr bool std::is_pointer_interconvertible_with_class(M S::*)’
8 | is_pointer_interconvertible_with_class (M S::*m) noexcept
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/tmp/1.C:8:1: note: template argument deduction/substitution failed:
/tmp/1.C:22:57: note: mismatched types ‘C’ and ‘B’
22 | static_assert( is_pointer_interconvertible_with_class<C>( &C::b ) );
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
the second int argument isn't deduced.
This boils down to:
template <class S, class M>
bool foo (M S::*m) noexcept;
struct A { int a; };
struct B { int b; };
struct C : public A, public B {};
bool a = foo (&C::b);
bool b = foo<C, int> (&C::b);
bool c = foo<C> (&C::b);
which with /std:c++20 or -std=c++20 is accepted by latest MSVC and ICC but
rejected by GCC and clang (in both cases on the last line).
Is this a GCC/clang bug in argument deduction (in that case I think we want
a separate PR), or a bug in ICC/MSVC and the standard itself that should
specify in the examples both template arguments instead of just the first?
And this has been raised with the CWG.
2021-07-30 Jakub Jelinek <jakub@redhat.com>
PR c++/101539
gcc/c-family/
* c-common.h (enum rid): Add RID_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
* c-common.c (c_common_reswords): Add
__is_pointer_interconvertible_base_of.
gcc/cp/
* cp-tree.h (enum cp_trait_kind): Add
CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
(enum cp_built_in_function): Add
CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS.
(fold_builtin_is_pointer_inverconvertible_with_class): Declare.
* parser.c (cp_parser_primary_expression): Handle
RID_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
(cp_parser_trait_expr): Likewise.
* cp-objcp-common.c (names_builtin_p): Likewise.
* constraint.cc (diagnose_trait_expr): Handle
CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
* decl.c (cxx_init_decl_processing): Register
__builtin_is_pointer_interconvertible_with_class builtin.
* constexpr.c (cxx_eval_builtin_function_call): Handle
CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS builtin.
* semantics.c (pointer_interconvertible_base_of_p,
first_nonstatic_data_member_p,
fold_builtin_is_pointer_inverconvertible_with_class): New functions.
(trait_expr_value): Handle CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
(finish_trait_expr): Likewise. Formatting fix.
* cp-gimplify.c (cp_gimplify_expr): Fold
CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
fndecl_built_in_p just once.
(cp_fold): Likewise.
* tree.c (builtin_valid_in_constant_expr_p): Handle
CP_BUILT_IN_IS_POINTER_INTERCONVERTIBLE_WITH_CLASS. Call
fndecl_built_in_p just once.
* cxx-pretty-print.c (pp_cxx_trait_expression): Handle
CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF.
gcc/testsuite/
* g++.dg/cpp2a/is-pointer-interconvertible-base-of1.C: New test.
* g++.dg/cpp2a/is-pointer-interconvertible-with-class1.C: New test.
* g++.dg/cpp2a/is-pointer-interconvertible-with-class2.C: New test.
* g++.dg/cpp2a/is-pointer-interconvertible-with-class3.C: New test.
* g++.dg/cpp2a/is-pointer-interconvertible-with-class4.C: New test.
* g++.dg/cpp2a/is-pointer-interconvertible-with-class5.C: New test.
* g++.dg/cpp2a/is-pointer-interconvertible-with-class6.C: New test.
|
|
Do not "compile a version of this procedure for the host".
gcc/
* tree-core.h (omp_clause_code): Add 'OMP_CLAUSE_NOHOST'.
* tree.c (omp_clause_num_ops, omp_clause_code_name, walk_tree_1):
Handle it.
* tree-pretty-print.c (dump_omp_clause): Likewise.
* omp-general.c (oacc_verify_routine_clauses): Likewise.
* gimplify.c (gimplify_scan_omp_clauses)
(gimplify_adjust_omp_clauses): Likewise.
* tree-nested.c (convert_nonlocal_omp_clauses)
(convert_local_omp_clauses): Likewise.
* omp-low.c (scan_sharing_clauses): Likewise.
* omp-offload.c (execute_oacc_device_lower): Update.
gcc/c-family/
* c-pragma.h (pragma_omp_clause): Add 'PRAGMA_OACC_CLAUSE_NOHOST'.
gcc/c/
* c-parser.c (c_parser_omp_clause_name): Handle 'nohost'.
(c_parser_oacc_all_clauses): Handle 'PRAGMA_OACC_CLAUSE_NOHOST'.
(OACC_ROUTINE_CLAUSE_MASK): Add 'PRAGMA_OACC_CLAUSE_NOHOST'.
* c-typeck.c (c_finish_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'.
gcc/cp/
* parser.c (cp_parser_omp_clause_name): Handle 'nohost'.
(cp_parser_oacc_all_clauses): Handle 'PRAGMA_OACC_CLAUSE_NOHOST'.
(OACC_ROUTINE_CLAUSE_MASK): Add 'PRAGMA_OACC_CLAUSE_NOHOST'.
* pt.c (tsubst_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'.
* semantics.c (finish_omp_clauses): Likewise.
gcc/fortran/
* dump-parse-tree.c (show_attr): Update.
* gfortran.h (symbol_attribute): Add 'oacc_routine_nohost' member.
(gfc_omp_clauses): Add 'nohost' member.
* module.c (ab_attribute): Add 'AB_OACC_ROUTINE_NOHOST'.
(attr_bits, mio_symbol_attribute): Update.
* openmp.c (omp_mask2): Add 'OMP_CLAUSE_NOHOST'.
(gfc_match_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'.
(OACC_ROUTINE_CLAUSES): Add 'OMP_CLAUSE_NOHOST'.
(gfc_match_oacc_routine): Update.
* trans-decl.c (add_attributes_to_decl): Update.
* trans-openmp.c (gfc_trans_omp_clauses): Likewise.
gcc/testsuite/
* c-c++-common/goacc/classify-routine-nohost.c: New file.
* c-c++-common/goacc/classify-routine.c: Update.
* c-c++-common/goacc/routine-2.c: Likewise.
* c-c++-common/goacc/routine-nohost-1.c: New file.
* c-c++-common/goacc/routine-nohost-2.c: Likewise.
* g++.dg/goacc/template.C: Update.
* gfortran.dg/goacc/classify-routine-nohost.f95: New file.
* gfortran.dg/goacc/classify-routine.f95: Update.
* gfortran.dg/goacc/pure-elemental-procedures-2.f90: Likewise.
* gfortran.dg/goacc/routine-6.f90: Likewise.
* gfortran.dg/goacc/routine-intrinsic-2.f: Likewise.
* gfortran.dg/goacc/routine-module-1.f90: Likewise.
* gfortran.dg/goacc/routine-module-2.f90: Likewise.
* gfortran.dg/goacc/routine-module-3.f90: Likewise.
* gfortran.dg/goacc/routine-module-mod-1.f90: Likewise.
* gfortran.dg/goacc/routine-multiple-directives-1.f90: Likewise.
* gfortran.dg/goacc/routine-multiple-directives-2.f90: Likewise.
libgomp/
* testsuite/libgomp.oacc-c-c++-common/routine-nohost-1.c: New
file.
* testsuite/libgomp.oacc-c-c++-common/routine-nohost-2.c:
Likewise.
* testsuite/libgomp.oacc-c-c++-common/routine-nohost-2_2.c:
Likewise.
* testsuite/libgomp.oacc-fortran/routine-nohost-1.f90: Likewise.
Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
Co-Authored-By: Cesar Philippidis <cesar@codesourcery.com>
|
|
[PR101516]
The following testcase ICEs because we haven't verified if reduction decl
has reference type that TREE_TYPE of the reference is a complete type,
require_complete_type on the decl doesn't ensure that.
2021-07-21 Jakub Jelinek <jakub@redhat.com>
PR c++/101516
* semantics.c (finish_omp_reduction_clause): Also call
complete_type_or_else and return true if it fails.
* g++.dg/gomp/pr101516.C: New test.
|
|
The uses of vec<T> in get_all_loop_exits and process_conditional were memory
leaks, as .release() was never called for them. The other changes are some
cases that did have proper release handling, but it's simpler to leave
releasing to the auto_vec destructor.
gcc/ChangeLog:
* sel-sched-ir.h (get_all_loop_exits): Use auto_vec.
gcc/cp/ChangeLog:
* class.c (struct find_final_overrider_data): Use auto_vec.
(find_final_overrider): Remove explicit release.
* coroutines.cc (process_conditional): Use auto_vec.
* cp-gimplify.c (struct cp_genericize_data): Use auto_vec.
(cp_genericize_tree): Remove explicit release.
* parser.c (cp_parser_objc_at_property_declaration): Use
auto_delete_vec.
* semantics.c (omp_reduction_lookup): Use auto_vec.
|
|
gcc/cp/ChangeLog:
* call.c (build_over_call): Replace direct uses of TREE_NO_WARNING
with warning_suppressed_p, suppress_warning, and copy_no_warning, or
nothing if not necessary.
(set_up_extended_ref_temp): Same.
* class.c (layout_class_type): Same.
* constraint.cc (constraint_satisfaction_value): Same.
* coroutines.cc (finish_co_await_expr): Same.
(finish_co_yield_expr): Same.
(finish_co_return_stmt): Same.
(build_actor_fn): Same.
(coro_rewrite_function_body): Same.
(morph_fn_to_coro): Same.
* cp-gimplify.c (genericize_eh_spec_block): Same.
(gimplify_expr_stmt): Same.
(cp_genericize_r): Same.
(cp_fold): Same.
* cp-ubsan.c (cp_ubsan_instrument_vptr): Same.
* cvt.c (cp_fold_convert): Same.
(convert_to_void): Same.
* decl.c (wrapup_namespace_globals): Same.
(grokdeclarator): Same.
(finish_function): Same.
(require_deduced_type): Same.
* decl2.c (no_linkage_error): Same.
(c_parse_final_cleanups): Same.
* except.c (expand_end_catch_block): Same.
* init.c (build_new_1): Same.
(build_new): Same.
(build_vec_delete_1): Same.
(build_vec_init): Same.
(build_delete): Same.
* method.c (defaultable_fn_check): Same.
* parser.c (cp_parser_fold_expression): Same.
(cp_parser_primary_expression): Same.
* pt.c (push_tinst_level_loc): Same.
(tsubst_copy): Same.
(tsubst_omp_udr): Same.
(tsubst_copy_and_build): Same.
* rtti.c (build_if_nonnull): Same.
* semantics.c (maybe_convert_cond): Same.
(finish_return_stmt): Same.
(finish_parenthesized_expr): Same.
(cp_check_omp_declare_reduction): Same.
* tree.c (build_cplus_array_type): Same.
* typeck.c (build_ptrmemfunc_access_expr): Same.
(cp_build_indirect_ref_1): Same.
(cp_build_function_call_vec): Same.
(warn_for_null_address): Same.
(cp_build_binary_op): Same.
(unary_complex_lvalue): Same.
(cp_build_modify_expr): Same.
(build_x_modify_expr): Same.
(convert_for_assignment): Same.
|
|
This patch adds support for in_reduction clause on target construct, though
for now only for synchronous targets (without nowait clause).
The encountering thread in that case runs the target task and blocks until
the target region ends, so it is implemented by remapping it before entering
the target, initializing the private copy if not yet initialized for the
current thread and then using the remapped addresses for the mapping
addresses.
For nowait combined with in_reduction the patch contains a hack where the
nowait clause is ignored. To implement it correctly, I think we would need
to create a new private variable for the in_reduction and initialize it before
doing the async target and adjust the map addresses to that private variable
and then pass a function pointer to the library routine with code where the callback
would remap the address to the current threads private variable and use in_reduction
combiner to combine the private variable we've created into the thread's copy.
The library would then need to make sure that the routine is called in some thread
participating in the parallel (and not in an unshackeled thread).
2021-06-24 Jakub Jelinek <jakub@redhat.com>
gcc/
* tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): Document meaning for OpenMP.
* gimplify.c (gimplify_scan_omp_clauses): For OpenMP map clauses
with OMP_CLAUSE_MAP_IN_REDUCTION flag partially defer gimplification
of non-decl OMP_CLAUSE_DECL. For OMP_CLAUSE_IN_REDUCTION on
OMP_TARGET user outer_ctx instead of ctx for placeholders and
initializer/combiner gimplification.
* omp-low.c (scan_sharing_clauses): Handle OMP_CLAUSE_MAP_IN_REDUCTION
on target constructs.
(lower_rec_input_clauses): Likewise.
(lower_omp_target): Likewise.
* omp-expand.c (expand_omp_target): Temporarily ignore nowait clause
on target if in_reduction is present.
gcc/c-family/
* c-common.h (enum c_omp_region_type): Add C_ORT_TARGET and
C_ORT_OMP_TARGET.
* c-omp.c (c_omp_split_clauses): For OMP_CLAUSE_IN_REDUCTION on
combined target constructs also add map (always, tofrom:) clause.
gcc/c/
* c-parser.c (omp_split_clauses): Pass C_ORT_OMP_TARGET instead of
C_ORT_OMP for clauses on target construct.
(OMP_TARGET_CLAUSE_MASK): Add in_reduction clause.
(c_parser_omp_target): For non-combined target add
map (always, tofrom:) clauses for OMP_CLAUSE_IN_REDUCTION. Pass
C_ORT_OMP_TARGET to c_finish_omp_clauses.
* c-typeck.c (handle_omp_array_sections): Adjust ort handling
for addition of C_ORT_OMP_TARGET and simplify, mapping clauses are
never present on C_ORT_*DECLARE_SIMD.
(c_finish_omp_clauses): Likewise. Handle OMP_CLAUSE_IN_REDUCTION
on C_ORT_OMP_TARGET, set OMP_CLAUSE_MAP_IN_REDUCTION on
corresponding map clauses.
gcc/cp/
* parser.c (cp_omp_split_clauses): Pass C_ORT_OMP_TARGET instead of
C_ORT_OMP for clauses on target construct.
(OMP_TARGET_CLAUSE_MASK): Add in_reduction clause.
(cp_parser_omp_target): For non-combined target add
map (always, tofrom:) clauses for OMP_CLAUSE_IN_REDUCTION. Pass
C_ORT_OMP_TARGET to finish_omp_clauses.
* semantics.c (handle_omp_array_sections_1): Adjust ort handling
for addition of C_ORT_OMP_TARGET and simplify, mapping clauses are
never present on C_ORT_*DECLARE_SIMD.
(handle_omp_array_sections): Likewise.
(finish_omp_clauses): Likewise. Handle OMP_CLAUSE_IN_REDUCTION
on C_ORT_OMP_TARGET, set OMP_CLAUSE_MAP_IN_REDUCTION on
corresponding map clauses.
* pt.c (tsubst_expr): Pass C_ORT_OMP_TARGET instead of C_ORT_OMP for
clauses on target construct.
gcc/testsuite/
* c-c++-common/gomp/target-in-reduction-1.c: New test.
* c-c++-common/gomp/clauses-1.c: Add in_reduction clauses on
target or combined target constructs.
libgomp/
* testsuite/libgomp.c-c++-common/target-in-reduction-1.c: New test.
* testsuite/libgomp.c-c++-common/target-in-reduction-2.c: New test.
* testsuite/libgomp.c++/target-in-reduction-1.C: New test.
* testsuite/libgomp.c++/target-in-reduction-2.C: New test.
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Jakub pointed me at
<http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p1938r3.html#compiler-warnings>
which shows that our existing warning could be extended to handle more
cases. This patch implements that.
A minor annoyance was handling macros, in libstdc++ we have
reference operator[](size_type __pos) {
__glibcxx_assert(__pos <= size());
...
}
wherein __glibcxx_assert expands to
if (__builtin_is_constant_evaluated() && !bool(__pos <= size())
...
but I'm of a mind to not warn on that.
Once consteval if makes it in, we should tweak this warning one more
time.
PR c++/100995
gcc/cp/ChangeLog:
* constexpr.c (maybe_constexpr_fn): New.
* cp-tree.h (maybe_constexpr_fn): Declare.
* semantics.c (find_std_constant_evaluated_r): New.
(maybe_warn_for_constant_evaluated): New.
(finish_if_stmt_cond): Call it.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/is-constant-evaluated9.C: Add dg-warning.
* g++.dg/cpp2a/is-constant-evaluated12.C: New test.
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This is a bit complex. Looking up c<T> in the definition of D::c finds
C::c, OK. Looking up c in the definition of E finds D::c, OK. Since the
alias is not dependent, we strip it from the template argument, leaving
using E = A<decltype(c<T>())>;
where 'c' still refers to C::c. But instantiating E looks up 'c' again and
finds D::c, which isn't a function, and sadness ensues.
I think the bug here is looking up 'c' in D at instantiation time; the
declaration we found before is not dependent. This seems to happen because
baselink_for_fns gets BASELINK_BINFO wrong; it is supposed to be the base
where lookup found the functions, C in this case.
gcc/cp/ChangeLog:
PR c++/91706
* semantics.c (baselink_for_fns): Fix BASELINK_BINFO.
gcc/testsuite/ChangeLog:
PR c++/91706
* g++.dg/template/lookup17.C: New test.
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The depend-iterator-3.C testcases shows various bugs.
1) tsubst_omp_clauses didn't handle OMP_CLAUSE_AFFINITY (should be
handled like OMP_CLAUSE_DEPEND)
2) because locators can be arbitrary lvalue expressions, we need
to allow for C++ array section base (especially when array section
is just an array reference) FIELD_DECLs, handle them as this->member,
but don't need to privatize in any way
3) similarly for this as base
4) depend(inout: this) is invalid, but for different reason than the reported
one, again this is an expression, but not lvalue expression, so that
should be reported
5) the ctor/dtor cloning in the C++ FE (which is using walk_tree with
copy_tree_body_r) didn't handle iterators correctly, walk_tree normally
doesn't walk TREE_PURPOSE of TREE_LIST, and in the iterator case
that TREE_VEC contains also a BLOCK that needs special handling during
copy_tree_body_r
2021-06-03 Jakub Jelinek <jakub@redhat.com>
PR c++/100859
gcc/
* tree-inline.c (copy_tree_body_r): Handle iterators on
OMP_CLAUSE_AFFINITY or OMP_CLAUSE_DEPEND.
gcc/c/
* c-typeck.c (c_finish_omp_clauses): Move OMP_CLAUSE_AFFINITY
after depend only cases.
gcc/cp/
* semantics.c (handle_omp_array_sections_1): For
OMP_CLAUSE_{AFFINITY,DEPEND} handle FIELD_DECL base using
finish_non_static_data_member and allow this as base.
(finish_omp_clauses): Move OMP_CLAUSE_AFFINITY
after depend only cases. Let this be diagnosed by !lvalue_p
case for OMP_CLAUSE_{AFFINITY,DEPEND} and remove useless
assert.
* pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_AFFINITY.
gcc/testsuite/
* g++.dg/gomp/depend-iterator-3.C: New test.
* g++.dg/gomp/this-1.C: Don't expect any diagnostics for
this as base expression of depend array section, expect a different
error wording for this as depend locator and add testcases
for affinity clauses.
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Like my recent patch to add ovl_range and lkp_range in the C++ front end,
this patch adds the tsi_range adaptor for using C++11 range-based 'for' with
a STATEMENT_LIST, e.g.
for (tree stmt : tsi_range (stmt_list)) { ... }
This also involves adding some operators to tree_stmt_iterator that are
needed for range-for iterators, and should also be useful in code that uses
the iterators directly.
The patch updates the suitable loops in the C++ front end, but does not
touch any loops elsewhere in the compiler.
gcc/ChangeLog:
* tree-iterator.h (struct tree_stmt_iterator): Add operator++,
operator--, operator*, operator==, and operator!=.
(class tsi_range): New.
gcc/cp/ChangeLog:
* constexpr.c (build_data_member_initialization): Use tsi_range.
(build_constexpr_constructor_member_initializers): Likewise.
(constexpr_fn_retval, cxx_eval_statement_list): Likewise.
(potential_constant_expression_1): Likewise.
* coroutines.cc (await_statement_expander): Likewise.
(await_statement_walker): Likewise.
* module.cc (trees_out::core_vals): Likewise.
* pt.c (tsubst_expr): Likewise.
* semantics.c (set_cleanup_locs): Likewise.
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target [PR99928]
The reduction clause should be copied as map (tofrom: ) to combined target if
present, but as we need different handling of array sections between map and reduction,
doing that during gimplification would be harder.
So, this patch adds them during splitting, and similarly to firstprivate adds them
with a new flag that they should be just ignored/removed if an explicit map clause
of the same list item is present.
The exact rules are to be decided in https://github.com/OpenMP/spec/issues/2766
so this patch just implements something that is IMHO reasonable and exact detailed
testcases for the cornercases will follow once it is clarified.
2021-05-28 Jakub Jelinek <jakub@redhat.com>
PR middle-end/99928
gcc/
* tree.h (OMP_CLAUSE_MAP_IMPLICIT): Define.
gcc/c-family/
* c-omp.c (c_omp_split_clauses): For reduction clause if combined with
target add a map tofrom clause with OMP_CLAUSE_MAP_IMPLICIT.
gcc/c/
* c-typeck.c (handle_omp_array_sections): Copy OMP_CLAUSE_MAP_IMPLICIT.
(c_finish_omp_clauses): Move not just OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT
marked clauses last, but also OMP_CLAUSE_MAP_IMPLICIT. Add
map_firstprivate_head bitmap, set it for GOMP_MAP_FIRSTPRIVATE_POINTER
maps and silently remove OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT if it is
present too. For OMP_CLAUSE_MAP_IMPLICIT silently remove the clause
if present in map_head, map_field_head or map_firstprivate_head
bitmaps.
gcc/cp/
* semantics.c (handle_omp_array_sections): Copy
OMP_CLAUSE_MAP_IMPLICIT.
(finish_omp_clauses): Move not just OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT
marked clauses last, but also OMP_CLAUSE_MAP_IMPLICIT. Add
map_firstprivate_head bitmap, set it for GOMP_MAP_FIRSTPRIVATE_POINTER
maps and silently remove OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT if it is
present too. For OMP_CLAUSE_MAP_IMPLICIT silently remove the clause
if present in map_head, map_field_head or map_firstprivate_head
bitmaps.
gcc/testsuite/
* c-c++-common/gomp/pr99928-8.c: Remove all xfails.
* c-c++-common/gomp/pr99928-9.c: Likewise.
* c-c++-common/gomp/pr99928-10.c: Likewise.
* c-c++-common/gomp/pr99928-16.c: New test.
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gcc/c-family/ChangeLog:
* c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_AFFINITY.
gcc/c/ChangeLog:
* c-parser.c (c_parser_omp_clause_affinity): New.
(c_parser_omp_clause_name, c_parser_omp_variable_list,
c_parser_omp_all_clauses, OMP_TASK_CLAUSE_MASK): Handle affinity clause.
* c-typeck.c (handle_omp_array_sections_1, handle_omp_array_sections,
c_finish_omp_clauses): Likewise.
gcc/cp/ChangeLog:
* parser.c (cp_parser_omp_clause_affinity): New.
(cp_parser_omp_clause_name, cp_parser_omp_var_list_no_open,
cp_parser_omp_all_clauses, OMP_TASK_CLAUSE_MASK): Handle affinity
clause.
* semantics.c (handle_omp_array_sections_1, handle_omp_array_sections,
finish_omp_clauses): Likewise.
gcc/fortran/ChangeLog:
* dump-parse-tree.c (show_iterator): New.
(show_omp_namelist): Handle iterators.
(show_omp_clauses): Handle affinity.
* gfortran.h (gfc_free_omp_namelist): New union with 'udr' and new 'ns'.
* match.c (gfc_free_omp_namelist): Add are to choose union element.
* openmp.c (gfc_free_omp_clauses, gfc_match_omp_detach,
gfc_match_omp_clause_reduction, gfc_match_omp_flush): Update
call to gfc_free_omp_namelist.
(gfc_match_omp_variable_list): Likewise; permit preceeding whitespace.
(enum omp_mask1): Add OMP_CLAUSE_AFFINITY.
(gfc_match_iterator): New.
(gfc_match_omp_clauses): Use it; update call to gfc_free_omp_namelist.
(OMP_TASK_CLAUSES): Add OMP_CLAUSE_AFFINITY.
(gfc_match_omp_taskwait): Match depend clause.
(resolve_omp_clauses): Handle affinity; update for udr/union change.
(gfc_resolve_omp_directive): Resolve clauses of taskwait.
* st.c (gfc_free_statement): Update gfc_free_omp_namelist call.
* trans-openmp.c (gfc_trans_omp_array_reduction_or_udr): Likewise
(handle_iterator): New.
(gfc_trans_omp_clauses): Handle iterators for depend/affinity clause.
(gfc_trans_omp_taskwait): Handle depend clause.
(gfc_trans_omp_directive): Update call.
gcc/ChangeLog:
* gimplify.c (gimplify_omp_affinity): New.
(gimplify_scan_omp_clauses): Call it; remove affinity clause afterwards.
* tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_AFFINITY.
* tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE_AFFINITY.
* tree.c (omp_clause_num_ops, omp_clause_code_name): Add clause.
(walk_tree_1): Handle OMP_CLAUSE_AFFINITY.
libgomp/ChangeLog:
* testsuite/libgomp.fortran/depend-iterator-2.f90: New test.
gcc/testsuite/ChangeLog:
* c-c++-common/gomp/affinity-1.c: New test.
* c-c++-common/gomp/affinity-2.c: New test.
* c-c++-common/gomp/affinity-3.c: New test.
* c-c++-common/gomp/affinity-4.c: New test.
* c-c++-common/gomp/affinity-5.c: New test.
* c-c++-common/gomp/affinity-6.c: New test.
* c-c++-common/gomp/affinity-7.c: New test.
* gfortran.dg/gomp/affinity-clause-1.f90: New test.
* gfortran.dg/gomp/affinity-clause-2.f90: New test.
* gfortran.dg/gomp/affinity-clause-3.f90: New test.
* gfortran.dg/gomp/affinity-clause-4.f90: New test.
* gfortran.dg/gomp/affinity-clause-5.f90: New test.
* gfortran.dg/gomp/affinity-clause-6.f90: New test.
* gfortran.dg/gomp/depend-iterator-1.f90: New test.
* gfortran.dg/gomp/depend-iterator-2.f90: New test.
* gfortran.dg/gomp/depend-iterator-3.f90: New test.
* gfortran.dg/gomp/taskwait.f90: New test.
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The C/C++ clause splitting happens very early during construct parsing,
but only the FEs later on handle possible instantiations, non-static
member handling and array section lowering.
In the OpenMP 5.0/5.1 rules, whether firstprivate is added to combined
target depends on whether it isn't also mentioned in lastprivate or map
clauses, but unfortunately I think such checks are much better done only
when the FEs perform all the above mentioned changes.
So, this patch arranges for the firstprivate clause to be copied or moved
to combined target construct (as before), but sets flags on that clause,
which tell the FE *finish_omp_clauses and the gimplifier it has been added
only conditionally and let the FEs and gimplifier DTRT for these.
2021-05-21 Jakub Jelinek <jakub@redhat.com>
PR middle-end/99928
gcc/
* tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET): Define.
* gimplify.c (enum gimplify_omp_var_data): Fix up
GOVD_MAP_HAS_ATTACHMENTS value, add GOVD_FIRSTPRIVATE_IMPLICIT.
(omp_lastprivate_for_combined_outer_constructs): If combined target
has GOVD_FIRSTPRIVATE_IMPLICIT set for the decl, change it to
GOVD_MAP | GOVD_SEEN.
(gimplify_scan_omp_clauses): Set GOVD_FIRSTPRIVATE_IMPLICIT for
firstprivate clauses with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT.
(gimplify_adjust_omp_clauses): For firstprivate clauses with
OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT either clear that bit and
OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET too, or remove it and
let it be replaced by implicit map clause.
gcc/c-family/
* c-omp.c (c_omp_split_clauses): Set OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT
on firstprivate clause copy going to target construct, and for
target simd set also OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET bit.
gcc/c/
* c-typeck.c (c_finish_omp_clauses): Move firstprivate clauses with
OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT to the end of the chain. Don't error
if a decl is mentioned both in map clause and in such firstprivate
clause unless OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET is also set.
gcc/cp/
* semantics.c (finish_omp_clauses): Move firstprivate clauses with
OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT to the end of the chain. Don't error
if a decl is mentioned both in map clause and in such firstprivate
clause unless OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET is also set.
gcc/testsuite/
* c-c++-common/gomp/pr99928-3.c: Remove all xfails.
* c-c++-common/gomp/pr99928-15.c: New test.
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C/C++ permit logical AND and logical OR also with floating-point or complex
arguments by doing an unequal zero comparison; the result is an 'int' with
value one or zero. Hence, those are also permitted as reduction variable,
even though it is not the most sensible thing to do.
gcc/c/ChangeLog:
* c-typeck.c (c_finish_omp_clauses): Accept float + complex
for || and && reductions.
gcc/cp/ChangeLog:
* semantics.c (finish_omp_reduction_clause): Accept float + complex
for || and && reductions.
gcc/ChangeLog:
* omp-low.c (lower_rec_input_clauses, lower_reduction_clauses): Handle
&& and || with floating-point and complex arguments.
gcc/testsuite/ChangeLog:
* gcc.dg/gomp/clause-1.c: Use 'reduction(&:..)' instead of '...(&&:..)'.
libgomp/ChangeLog:
* testsuite/libgomp.c-c++-common/reduction-1.c: New test.
* testsuite/libgomp.c-c++-common/reduction-2.c: New test.
* testsuite/libgomp.c-c++-common/reduction-3.c: New test.
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My GCC 11 patch for PR93314 turned off cp_unevaluated_operand while
processing an id-expression that names a non-static data member, but the
broader issue is that in general, a constant-expression is evaluated even in
an unevaluated operand.
gcc/cp/ChangeLog:
* cp-tree.h (cp_evaluated): Add reset parm to constructor.
* parser.c (cp_parser_constant_expression): Change
allow_non_constant_p to int. Use cp_evaluated.
(cp_parser_initializer_clause): Pass 2 to allow_non_constant_p.
* semantics.c (finish_id_expression_1): Don't mess with
cp_unevaluated_operand here.
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Once a CONSTRUCTOR has been digested and used as an initializer, it no
longer represents a compound literal by itself, so we can clear the flag,
letting us use it consistently to distinguish between digested and
undigested initializer-lists.
gcc/cp/ChangeLog:
* cp-tree.h: Clarify comments.
* pt.c (get_template_parm_object): Add assert.
* semantics.c (finish_compound_literal): Clear TREE_HAS_CONSTRUCTOR.
* tree.c (zero_init_expr_p): Check TREE_HAS_CONSTRUCTOR.
* typeck2.c (store_init_value): Likewise.
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The standard says that "The event-handle will be considered as if it
was specified on a firstprivate clause." which means that it can't
be explicitly specified in some other data-sharing clause.
The checking is implemented correctly for C, but for C++ when detach_seen
is true (i.e. the construct had detach clause) we were comparing
OMP_CLAUSE_DECL (c) with t, which was previously initialized to
OMP_CLAUSE_DECL (c), which means it complained about any explicit
data-sharing clause on the same construct with a detach clause.
Fixed by remembering the detach clause in detach_seen (instead of a boolean
flag) and comparing against its OMP_CLAUSE_DECL.
2021-04-29 Jakub Jelinek <jakub@redhat.com>
PR c++/100319
* semantics.c (finish_omp_clauses): Fix up check that variable
mentioned in detach clause doesn't appear in data-sharing clauses.
* c-c++-common/gomp/task-detach-3.c: New test.
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N2253 allowed referring to non-static data members without an object in
unevaluated operands like that of sizeof, but in a constant-expression
context like an array bound or template argument within such an unevaluated
operand we do actually need a value, so that permission cannot apply.
gcc/cp/ChangeLog:
PR c++/93314
* semantics.c (finish_id_expression_1): Clear cp_unevaluated_operand
for a non-static data member in a constant-expression.
gcc/testsuite/ChangeLog:
PR c++/93314
* g++.dg/parse/uneval1.C: New test.
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PR49951 complained about the debugger jumping back to the declaration of a
local variable when we run its destructor. That was fixed in 4.7, but broke
again in 4.8. PR58123 fixed an inconsistency in the behavior, but not the
jumping around. This patch addresses the issue by setting EXPR_LOCATION on
a cleanup destructor call to the location of the closing brace of the
compound-statement, or whatever token ends the scope of the variable.
The change to cp_parser_compound_statement is so input_location is the }
rather than the ; of the last substatement.
gcc/cp/ChangeLog:
PR c++/88742
PR c++/49951
PR c++/58123
* semantics.c (set_cleanup_locs): New.
(do_poplevel): Call it.
* parser.c (cp_parser_compound_statement): Consume the }
before finish_compound_stmt.
gcc/testsuite/ChangeLog:
PR c++/88742
* g++.dg/debug/cleanup1.C: New test.
* c-c++-common/Wimplicit-fallthrough-6.c: Adjust diagnostic line.
* c-c++-common/Wimplicit-fallthrough-7.c: Likewise.
* g++.dg/cpp2a/constexpr-dtor3.C: Likewise.
* g++.dg/ext/constexpr-attr-cleanup1.C: Likewise.
* g++.dg/tm/inherit2.C: Likewise.
* g++.dg/tm/unsafe1.C: Likewise.
* g++.dg/warn/Wimplicit-fallthrough-1.C: Likewise.
* g++.dg/gcov/gcov-2.C: Adjust coverage counts.
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