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2022-01-17Rename .c files to .cc files.Martin Liska1-30596/+0
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.
2022-01-05[c++] Adjust mark used member in instantiated class scopeNathan Sidwell1-5/+8
The fix for PR97966 caused a regression with (non-template) member functions of template classes. We need to mark them used in the instantiated class's scope, rather than the scope we were in before instantiating, as the latter may itself be in template and change the behaviour of marking a function as used. gcc/cp/ * pt.c (instantiate_class_template_1): Process attribute((used)) set in class's context. gcc/testsuite/ * g++.dg/template/attr-used.C: New.
2022-01-03Update copyright years.Jakub Jelinek1-1/+1
2021-12-20c++: memfn lookup consistency in incomplete-class ctxPatrick Palka1-2/+89
When instantiating a call to a member function of a class template, we repeat the member function lookup in order to obtain the corresponding partially instantiated functions. Within an incomplete-class context however, we need to be more careful when repeating the lookup because we don't want to introduce later-declared member functions that weren't visible at template definition time. We're currently not careful enough in this respect, which causes us to reject memfn1.C below. This patch fixes this issue by making tsubst_baselink filter out from the instantiation-time lookup those member functions that were invisible at template definition time. This is really only necessary within an incomplete-class context, so this patch adds a heuristic flag to BASELINK to help us avoid needlessly performing this filtering step (which would be a no-op) in complete-class contexts. This is also necessary for the ahead-of-time overload set pruning implemented in r12-6075 to be effective for member functions within class templates. gcc/cp/ChangeLog: * call.c (build_new_method_call): Set BASELINK_FUNCTIONS_MAYBE_INCOMPLETE_P on the pruned baselink. * cp-tree.h (BASELINK_FUNCTIONS_MAYBE_INCOMPLETE_P): Define. * pt.c (filter_memfn_lookup): New subroutine of tsubst_baselink. (tsubst_baselink): Use filter_memfn_lookup on the new lookup result when BASELINK_FUNCTIONS_MAYBE_INCOMPLETE_P is set on the old baselink. Remove redundant BASELINK_P check. * search.c (build_baselink): Set BASELINK_FUNCTIONS_MAYBE_INCOMPLETE_P appropriately. gcc/testsuite/ChangeLog: * g++.dg/lookup/memfn1.C: New test. * g++.dg/template/non-dependent16b.C: New test.
2021-12-17c++: Improve diagnostic for class tmpl/class redecl [PR103749]Marek Polacek1-0/+7
For code like template<typename> struct bar; struct bar { int baz; }; bar var; we emit a fairly misleading and unwieldy diagnostic: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ $ g++ -c u.cc u.cc:6:8: error: template argument required for 'struct bar' 6 | struct bar { | ^~~ u.cc:10:5: error: class template argument deduction failed: 10 | bar var; | ^~~ u.cc:10:5: error: no matching function for call to 'bar()' u.cc:3:17: note: candidate: 'template<class> bar()-> bar< <template-parameter-1-1> >' 3 | friend struct bar; | ^~~ u.cc:3:17: note: template argument deduction/substitution failed: u.cc:10:5: note: couldn't deduce template parameter '<template-parameter-1-1>' 10 | bar var; | ^~~ u.cc:3:17: note: candidate: 'template<class> bar(bar< <template-parameter-1-1> >)-> bar< <template-parameter-1-1> >' 3 | friend struct bar; | ^~~ u.cc:3:17: note: template argument deduction/substitution failed: u.cc:10:5: note: candidate expects 1 argument, 0 provided 10 | bar var; | ^~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ but with this patch we get: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ z.C:4:10: error: class template 'bar' redeclared as non-template 4 | struct bar { | ^~~ z.C:2:10: note: previous declaration here 2 | struct bar; | ^~~ z.C:8:7: error: 'bar<...auto...> var' has incomplete type 8 | bar var; | ^~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ which is clearer about what the problem is. I thought it'd be nice to avoid printing the messages about failed CTAD, too. To that end, I'm using CLASSTYPE_ERRONEOUS to suppress CTAD. Not sure if that's entirely kosher. The other direction (first a non-template class declaration followed by a class template definition) we handle quite well: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ z.C:11:8: error: 'bar' is not a template 11 | struct bar {}; | ^~~ z.C:8:8: note: previous declaration here 8 | struct bar; | ^~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ PR c++/103749 gcc/cp/ChangeLog: * decl.c (lookup_and_check_tag): Give an error when a class was declared as template but no template header has been provided. * pt.c (do_class_deduction): Don't deduce CLASSTYPE_ERRONEOUS types. gcc/testsuite/ChangeLog: * g++.dg/template/redecl4.C: Adjust dg-error. * g++.dg/diagnostic/redeclaration-2.C: New test.
2021-12-16c++: two-stage name lookup for overloaded operators [PR51577]Patrick Palka1-6/+21
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.
2021-12-15c++: Allow constexpr decltype(auto) [PR102229]Marek Polacek1-13/+0
My r11-2202 was trying to enforce [dcl.type.auto.deduct]/4, which says "If the placeholder-type-specifier is of the form type-constraint[opt] decltype(auto), T shall be the placeholder alone." But this made us reject 'constexpr decltype(auto)', which, after clarification from CWG, should be valid. [dcl.type.auto.deduct]/4 is supposed to be a syntactic constraint, not semantic, so it's OK that the constexpr marks the object as const. As a consequence, checking TYPE_QUALS in do_auto_deduction is too late, and we have a FIXME there anyway. So in this patch I'm attempting to detect 'const decltype(auto)' earlier. If I'm going to use TYPE_QUALS, it needs to happen before we mark the object as const due to constexpr, that is, before grokdeclarator's /* A `constexpr' specifier used in an object declaration declares the object as `const'. */ if (constexpr_p && innermost_code != cdk_function) ... Constrained decltype(auto) was a little problem, hence the TYPENAME check. But in a typename context you can't use decltype(auto) anyway, I think. PR c++/102229 gcc/cp/ChangeLog: * decl.c (check_decltype_auto): New. (grokdeclarator): Call it. * pt.c (do_auto_deduction): Don't check decltype(auto) here. gcc/testsuite/ChangeLog: * g++.dg/cpp1y/decltype-auto5.C: New test.
2021-12-14c++: processing_template_decl vs template depth [PR103408]Patrick Palka1-30/+13
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.
2021-12-14c++: remove COMPOUND_EXPR_OVERLOADED flagPatrick Palka1-2/+1
This flag is never set because non-dependent COMPOUND_EXPRs that resolve to an overload are expressed as a CALL_EXPR at template definition time (in build_x_compound_expr) ever since r6-5772. gcc/cp/ChangeLog: * cp-tree.h (COMPOUND_EXPR_OVERLOADED): Remove. * pt.c (build_non_dependent_expr): Don't inspect the flag. * tree.c (build_min_non_dep): Don't set the flag.
2021-12-08openmp: Improve OpenMP target support for C++ (PR92120)Chung-Lin Tang1-0/+5
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.
2021-12-03c++: Fix for decltype(auto) and parenthesized expr [PR103403]Marek Polacek1-5/+10
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.
2021-12-02c++: Fix bogus error with __integer_pack [PR94490]Marek Polacek1-0/+1
Here we issue a bogus: error: '(0 ? fake_tuple_size_v<int> : fake_tuple_size_v<int>)' is not a constant expression because cxx_constant_value in expand_integer_pack gets *(0 ? VIEW_CONVERT_EXPR<const int>(fake_tuple_size_v) : VIEW_CONVERT_EXPR<const int>(fake_tuple_size_v)) which is a REFERENCE_REF_P and we evaluate its operand to 3, so we end up with *3 and that fails. Sounds like we need to get rid of the REFERENCE_REF_P then. That is what tsubst_copy_and_build/INDIRECT_REF will do: if (REFERENCE_REF_P (t)) { /* A type conversion to reference type will be enclosed in such an indirect ref, but the substitution of the cast will have also added such an indirect ref. */ r = convert_from_reference (r); } so I think it's reasonable to call instantiate_non_dependent_expr_sfinae. PR c++/94490 gcc/cp/ChangeLog: * pt.c (expand_integer_pack): Call instantiate_non_dependent_expr_sfinae. gcc/testsuite/ChangeLog: * g++.dg/ext/integer-pack5.C: New test.
2021-11-30Remove more stray returns and gcc_unreachable ()sRichard Biener1-3/+0
This removes more cases that appear when bootstrap with -Wunreachable-code-return progresses. 2021-11-29 Richard Biener <rguenther@suse.de> * config/i386/i386.c (ix86_shift_rotate_cost): Remove unreachable return. * tree-chrec.c (evolution_function_is_invariant_rec_p): Likewise. * tree-if-conv.c (if_convertible_stmt_p): Likewise. * tree-ssa-pre.c (fully_constant_expression): Likewise. * tree-vrp.c (operand_less_p): Likewise. * reload.c (reg_overlap_mentioned_for_reload_p): Remove unreachable gcc_unreachable (). * sel-sched-ir.h (bb_next_bb): Likewise. * varasm.c (compare_constant): Likewise. gcc/cp/ * logic.cc (cnf_size_r): Remove unreachable and inconsistently placed gcc_unreachable ()s. * pt.c (iterative_hash_template_arg): Remove unreachable gcc_unreachable and return. gcc/fortran/ * target-memory.c (gfc_element_size): Remove unreachable return. gcc/objc/ * objc-act.c (objc_build_setter_call): Remove unreachable return. libcpp/ * charset.c (convert_escape): Remove unreachable break.
2021-11-30Avoid some -Wunreachable-code-ctrlRichard Biener1-2/+0
This cleans up unreachable code diagnosed by -Wunreachable-code-ctrl. It largely follows the previous series but discovers a few extra cases, namely dead code after break or continue or loops without exits. 2021-11-29 Richard Biener <rguenther@suse.de> gcc/c/ * gimple-parser.c (c_parser_gimple_postfix_expression): avoid unreachable code after break. gcc/ * cfgrtl.c (skip_insns_after_block): Refactor code to be more easily readable. * expr.c (op_by_pieces_d::run): Remove unreachable assert. * sched-deps.c (sched_analyze): Remove unreachable gcc_unreachable. * sel-sched-ir.c (in_same_ebb_p): Likewise. * tree-ssa-alias.c (nonoverlapping_refs_since_match_p): Remove unreachable code. * tree-vect-slp.c (vectorize_slp_instance_root_stmt): Refactor to avoid unreachable loop iteration. * tree.c (walk_tree_1): Remove unreachable break. * vec-perm-indices.c (vec_perm_indices::series_p): Remove unreachable return. gcc/cp/ * parser.c (cp_parser_postfix_expression): Remove unreachable code. * pt.c (tsubst_expr): Remove unreachable breaks. gcc/fortran/ * frontend-passes.c (gfc_expr_walker): Remove unreachable break. * scanner.c (skip_fixed_comments): Remove unreachable gcc_unreachable. * trans-expr.c (gfc_expr_is_variable): Refactor to make control flow more obvious.
2021-11-26c++: Fix up taking address of an immediate function diagnostics [PR102753]Jakub Jelinek1-1/+8
On Wed, Oct 20, 2021 at 07:16:44PM -0400, Jason Merrill wrote: > or an unevaluated operand, or a subexpression of an immediate invocation. > > Hmm...that suggests that in consteval23.C, bar(foo) should also be OK, The following patch handles that by removing the diagnostics about taking address of immediate function from cp_build_addr_expr_1, and instead diagnoses it in cp_fold_r. To do that with proper locations, the patch attempts to ensure that ADDR_EXPRs of immediate functions get EXPR_LOCATION set and adds a PTRMEM_CST_LOCATION for PTRMEM_CSTs. Also, evaluation of std::source_location::current() is moved from genericization to cp_fold. 2021-11-26 Jakub Jelinek <jakub@redhat.com> PR c++/102753 * cp-tree.h (struct ptrmem_cst): Add locus member. (PTRMEM_CST_LOCATION): Define. * tree.c (make_ptrmem_cst): Set PTRMEM_CST_LOCATION to input_location. (cp_expr_location): Return PTRMEM_CST_LOCATION for PTRMEM_CST. * typeck.c (build_x_unary_op): Overwrite PTRMEM_CST_LOCATION for PTRMEM_CST instead of calling maybe_wrap_with_location. (cp_build_addr_expr_1): Don't diagnose taking address of immediate functions here. Instead when taking their address make sure the returned ADDR_EXPR has EXPR_LOCATION set. (expand_ptrmemfunc_cst): Copy over PTRMEM_CST_LOCATION to ADDR_EXPR's EXPR_LOCATION. (convert_for_assignment): Use cp_expr_loc_or_input_loc instead of EXPR_LOC_OR_LOC. * pt.c (tsubst_copy): Use build1_loc instead of build1. Ensure ADDR_EXPR of immediate function has EXPR_LOCATION set. * cp-gimplify.c (cp_fold_r): Diagnose taking address of immediate functions here. For consteval if don't walk THEN_CLAUSE. (cp_genericize_r): Move evaluation of calls to std::source_location::current from here to... (cp_fold): ... here. Don't assert calls to immediate functions must be source_location_current_p, instead only constant evaluate calls to source_location_current_p. * g++.dg/cpp2a/consteval20.C: Add some extra tests. * g++.dg/cpp2a/consteval23.C: Likewise. * g++.dg/cpp2a/consteval25.C: New test. * g++.dg/cpp2a/srcloc20.C: New test.
2021-11-25c++: Return early in apply_late_template_attributes if there are no late ↵Jakub Jelinek1-0/+3
attribs [PR101180] The r12-299-ga0fdff3cf33f7284 change can result in cplus_decl_attributes being called even if there are no late attributes (but at least one early attribute) in apply_late_template_attributes. This patch fixes that, so that we return early if there are no late attrs, only arrange for TYPE_ATTRIBUTES to get the early attribute list. 2021-11-25 Jakub Jelinek <jakub@redhat.com> PR c++/101180 * pt.c (apply_late_template_attributes): Return early if there are no dependent attributes.
2021-11-25c++: Implement C++23 P2128R6 - Multidimensional subscript operator [PR102611]Jakub Jelinek1-32/+69
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.
2021-11-22c++: remember pointer-to-member locationJason Merrill1-0/+2
Jakub recently mentioned that a PTRMEM_CST has no location; let's give it a location wrapper. gcc/cp/ChangeLog: * typeck.c (build_x_unary_op): Set address location. (convert_member_func_to_ptr): Handle location wrapper. * pt.c (convert_nontype_argument): Likewise. gcc/testsuite/ChangeLog: * g++.dg/template/crash106.C: Adjust. * g++.dg/diagnostic/ptrtomem3.C: New test.
2021-11-19c++: Avoid adding implicit attributes during apply_late_template_attributes ↵Jakub Jelinek1-0/+11
[PR101180] decl_attributes and its caller cplus_decl_attributes sometimes add implicit attributes, e.g. optimize attribute if #pragma GCC optimize is active, target attribute if #pragma GCC target is active, or e.g. omp declare target attribute if in between #pragma omp declare target and #pragma omp end declare target. For templates that seems highly undesirable to me though, they should get those implicit attributes from the spot the templates were parsed (and they do get that), then tsubst through copy_node copies those attributes, but then apply_late_template_attributes can or does add a new set from the spot where they are instantiated, which can be pretty random point of first use of the template. Consider e.g. #pragma GCC push_options #pragma GCC target "avx" template <int N> inline void foo () { } #pragma GCC pop_options #pragma GCC push_options #pragma GCC target "crc32" void bar () { foo<0> (); } #pragma GCC pop_options testcase where the intention is that foo has avx target attribute and bar has crc32 target attribute, but we end up with __attribute__((target ("crc32"), target ("avx"))) on foo<0> (and due to yet another bug actually don't enable avx in foo<0>). In this particular case it is a regression caused by r12-299-ga0fdff3cf33f7284 which apparently calls cplus_decl_attributes even if attributes != NULL but late_attrs is NULL, before those changes we didn't call it in those cases. But, if there is at least one unrelated dependent attribute this would happen already in older releases. The following patch fixes that by temporarily overriding the variables that control the addition of the implicit attributes. Shall we also change the function so that it doesn't call cplus_decl_attributes if late_attrs is NULL, or was that change intentional? 2021-11-19 Jakub Jelinek <jakub@redhat.com> PR c++/101180 * pt.c (apply_late_template_attributes): Temporarily override current_optimize_pragma, optimization_current_node, current_target_pragma and scope_chain->omp_declare_target_attribute, so that cplus_decl_attributes doesn't add implicit attributes. * g++.target/i386/pr101180.C: New test.
2021-11-19c++/103326 - fix ICE in tsubst with VECTOR_CSTRichard Biener1-0/+1
This adds missing handling of VECTOR_CST. 2021-11-19 Richard Biener <rguenther@suse.de> PR c++/103326 * pt.c (tsubst_copy): Handle VECTOR_CST. * g++.dg/pr103326.C: New testcase.
2021-11-18c++: implicit dummy object in requires clause [PR103198]Patrick Palka1-0/+5
In the testcase below satisfaction misbehaves for f and g ultimately because find_template_parameters fails to notice that the constraint 'val.x' depends on the template parms of the class template. In contrast, satisfaction works just fine for h. The problem seems to come down to a difference in how any_template_parm_r handles 'this' vs a dummy object: it walks the TREE_TYPE of the former but not the latter, and this causes us to miss the tparm dependencies in f/g's constraints since in their case the implicit object parm through which we access 'val' is a dummy object. (For h, since we know it's a non-static member function when parsing its trailing constraints, the implicit object parm is 'this', not a dummy object.) This patch fixes this inconsistency by making any_template_parm_r walk into the TREE_TYPE of a dummy object, like it already does for 'this'. PR c++/103198 gcc/cp/ChangeLog: * pt.c (any_template_parm_r): Walk the TREE_TYPE of a dummy object. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/concepts-this1.C: New test.
2021-11-18c++: error recovery during C++20 template-id ADL failurePatrick Palka1-9/+11
When diagnosing ADL failure we try to perform a second unqualified lookup for backwards compatibility with legacy code (via -fpermissive), and for better diagnostics. But for C++20 template-id ADL, the backwards compatibility code sometimes causes confusing subsequent diagnostics such as in the testcase below where we end up diagnosing deduction failure after emitting the helpful "no declarations were found by ADL". This happens because the code just discards the arguments of the template-id callee when replacing it with the later-declared template, which leads to overload resolution failure: <stdin>: In instantiation of ‘void f() [with T = int]’: <stdin>:12:22: required from here <stdin>:5:9: error: ‘g’ was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive] <stdin>:10:6: note: ‘template<class T> void g(int)’ declared here, later in the translation unit <stdin>:5:9: error: no matching function for call to ‘g(int)’ <stdin>:10:6: note: candidate: ‘template<class T> void g(int)’ <stdin>:10:6: note: template argument deduction/substitution failed: <stdin>:5:9: note: couldn’t deduce template parameter ‘T’ So for C++20 template-id ADL, this patch disables the backwards compatibility code while keeping the helpful "no declarations were found by ADL" diagnostic. gcc/cp/ChangeLog: * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: Disable the -fpermissive fallback for C++20 template-id ADL, but keep the diagnostic. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/fn-template25.C: New test.
2021-11-18c++: template-id ADL and partial instantiation [PR99911]Patrick Palka1-1/+3
Here when partially instantiating the call get<U>(T{}) with T=N::A (for which earlier unqualified name lookup for 'get' found nothing) the arguments after substitution are no longer dependent but the callee still is, so perform_koenig_lookup postpones ADL. But then we go on to diagnose the unresolved template name anyway, as if ADL was already performed and failed. This patch fixes this by avoiding the error path in question when the template arguments of an unresolved template-id are still dependent, mirroring the dependence check in perform_koenig_lookup. PR c++/99911 gcc/cp/ChangeLog: * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: Don't diagnose name lookup failure if the arguments to an unresolved template name are still dependent. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/fn-template24.C: New test.
2021-11-18c++: unqual lookup performed twice w/ template-id ADL [PR102670]Patrick Palka1-1/+10
Here we're incorrectly performing unqualified lookup of 'adl' again at substitution time for the call adl<I>(t) (for which name lookup at parse time found nothing) which causes us to reject the testcase because the second unqualified lookup finds the later-declared variable template 'adl', leading to confusion. Fixed thusly. The testcase concepts-recursive-sat1.C needed to be adjusted to use ADL proper instead of relying on this incorrect second unqualified lookup. PR c++/102670 gcc/cp/ChangeLog: * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: When looking for an identifier callee in the koenig_p case, also look through TEMPLATE_ID_EXPR. Use tsubst_copy to substitute through the template arguments of the template-id. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/concepts-recursive-sat1.C: Adjust to use ADL proper. * g++.dg/cpp2a/fn-template23.C: New test.
2021-11-18c-family: Add __builtin_assoc_barrierMatthias Kretz1-1/+9
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.
2021-11-11openmp: Add support for 2 argument num_teams clauseJakub Jelinek1-26/+33
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.
2021-11-09c++: unexpanded pack in var tmpl partial spec [PR100652]Patrick Palka1-5/+12
Here we're failing to spot a bare parameter pack appearing in the argument list of a variable template partial specialization because we only look for them within the decl's TREE_TYPE, which is sufficient for class templates but not for variable templates. PR c++/100652 gcc/cp/ChangeLog: * pt.c (push_template_decl): Check for bare parameter packs in the argument list of a variable template partial specialization. gcc/testsuite/ChangeLog: * g++.dg/cpp1y/var-templ69.C: New test.
2021-11-04c++: use range-for moreJason Merrill1-19/+11
gcc/cp/ChangeLog: * call.c (build_array_conv): Use range-for. (build_complex_conv): Likewise. * constexpr.c (clear_no_implicit_zero) (reduced_constant_expression_p): Likewise. * decl.c (cp_complete_array_type): Likewise. * decl2.c (mark_vtable_entries): Likewise. * pt.c (iterative_hash_template_arg): (invalid_tparm_referent_p, unify) (type_dependent_expression_p): Likewise. * typeck.c (build_ptrmemfunc_access_expr): Likewise.
2021-10-28c++: CTAD within template argument [PR102933]Patrick Palka1-11/+13
Here when checking for erroneous occurrences of 'auto' inside a template argument (which is allowed by the concepts TS for class templates), extract_autos_r picks up the CTAD placeholder for X{T{0}} which causes check_auto_in_tmpl_args to reject this valid template argument. This patch fixes this by making extract_autos_r ignore CTAD placeholders. However, it seems we don't need to call check_auto_in_tmpl_args at all outside of the concepts TS since using 'auto' as a type-id is otherwise rejected more generally at parse time. So this patch makes the function just exit early if !flag_concepts_ts. Similarly, I think the concepts code paths in do_auto_deduction and type_uses_auto are only necessary for the concepts TS, so this patch also restricts these code paths accordingly. PR c++/102933 gcc/cp/ChangeLog: * parser.c (cp_parser_simple_type_specifier): Adjust diagnostic for using auto in parameter declaration. * pt.c (extract_autos_r): Ignore CTAD placeholders. (extract_autos): Use range-based for. (do_auto_deduction): Use extract_autos only for the concepts TS and not also for standard concepts. (type_uses_auto): Likewise with for_each_template_parm. (check_auto_in_tmpl_args): Just return false outside of the concepts TS. Simplify. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/nontype-class50.C: New test. * g++.dg/cpp2a/nontype-class50a.C: New test.
2021-10-15c++: array cv-quals and template specialization [PR101402]Jason Merrill1-16/+14
PRs 101402, 102033, etc. demonstrated that the fix for PR92010 wasn't handling all cases of the CWG1001/1322 issue with parameter type qual stripping and arrays with templates. The problem turned out to be in determine_specialization, which did an extra substitution without the 92010 fix and then complained that the result didn't match. But just removing that wrong/redundant code meant that we were accepting specializations with different numbers of parameters, because the code in fn_type_unification that compares types in this case wasn't checking for length mismatch. After fixing that, I realized that fn_type_unification couldn't tell the difference between variadic and non-variadic function types, because the args array doesn't include the terminal void we use to indicate non-variadic function type. So I added it, and made the necessary adjustments. Thanks to qingzhe "nick" huang <nickhuang99@hotmail.com> for the patch that led me to dig more into this, and the extensive testcases. PR c++/51851 PR c++/101402 PR c++/102033 PR c++/102034 PR c++/102039 PR c++/102044 gcc/cp/ChangeLog: * pt.c (determine_specialization): Remove redundant code. (fn_type_unification): Check for mismatched length. (type_unification_real): Ignore terminal void. (get_bindings): Don't stop at void_list_node. * class.c (resolve_address_of_overloaded_function): Likewise. gcc/testsuite/ChangeLog: * g++.dg/template/fnspec2.C: New test. * g++.dg/template/parm-cv1.C: New test. * g++.dg/template/parm-cv2.C: New test. * g++.dg/template/parm-cv3.C: New test.
2021-10-07c++: NTTP with array/function type after substitution [PR61355]Patrick Palka1-0/+4
We're performing the [temp.param]/10 adjustment at parse time but not also at substitution time. PR c++/61355 gcc/cp/ChangeLog: * pt.c (convert_template_argument): Perform array/function to pointer conversion on the substituted type of an NTTP. gcc/testsuite/ChangeLog: * g++.old-deja/g++.pt/nontype5.C: Adjust. * g++.dg/template/param6.C: New test.
2021-10-07c++: variadic ttp constraint subsumption [PR99904]Patrick Palka1-0/+2
Here we're crashing when level-lowering the variadic constraint C<Ts...> on the template template parameter TT because tsubst_pack_expansion expects processing_template_decl to be set during a partial substitution. PR c++/99904 gcc/cp/ChangeLog: * pt.c (is_compatible_template_arg): Set processing_template_decl around tsubst_constraint_info. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/concepts-ttp4.C: New test.
2021-10-05c++: defaulted <=> with bitfields [PR102490]Jakub Jelinek1-1/+1
The testcases in the patch are either miscompiled or ICE with checking, because the defaulted operator== is synthesized too early (but only if constexpr), when the corresponding class type is still incomplete type. The problem is that at that point the bitfield FIELD_DECLs still have as TREE_TYPE their underlying type rather than integral type with their precision and when layout_class_type is called for the class soon after that, it changes those types but the COMPONENT_REFs type stay the way that they were during the operator== synthesize_method type and the middle-end is then upset by the mismatch of types. As what exact type will be given isn't just a one liner but quite long code especially for over-sized bitfields, I think it is best to just not synthesize the comparison operators so early and call defaulted_late_check for them once again as soon as the class is complete. This is also a problem for virtual operator<=>, where we need to compare the noexcept-specifier to validate the override before the class is complete. Rather than try to defer that comparison, maybe_instantiate_noexcept now calls maybe_synthesize_method, which calls build_comparison_op in non-defining mode if the class isn't complete yet. In that situation we also might not have base fields yet, so we look in the binfo for the bases. Co-authored-by: Jason Merrill <jason@redhat.com> 2021-10-01 Jakub Jelinek <jakub@redhat.com> PR c++/98712 PR c++/102490 * cp-tree.h (maybe_synthesize_method): Declare. * method.c (genericize_spaceship): Use LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED instead of LOOKUP_NORMAL for flags. (comp_info): Remove defining member. Add complain, code, retcat. (comp_info::comp_info): Adjust. (do_one_comp): Split out from build_comparison_op. Use LOOKUP_NORMAL | LOOKUP_NONVIRTUAL | LOOKUP_DEFAULTED instead of LOOKUP_NORMAL for flags. (build_comparison_op): Add defining argument. Adjust comp_info construction. Use defining instead of info.defining. Assert that if defining, ctype is a complete type. Walk base binfos. (synthesize_method, maybe_explain_implicit_delete, explain_implicit_non_constexpr): Adjust build_comparison_op callers. (maybe_synthesize_method): New function. * class.c (check_bases_and_members): Don't call defaulted_late_check for sfk_comparison. (finish_struct_1): Call it here instead after class has been completed. * pt.c (maybe_instantiate_noexcept): Call maybe_synthesize_method instead of synthesize_method. * g++.dg/cpp2a/spaceship-synth8.C (std::strong_ordering): Provide more complete definition. (std::strong_ordering::less, std::strong_ordering::equal, std::strong_ordering::greater): Define. * g++.dg/cpp2a/spaceship-synth12.C: New test. * g++.dg/cpp2a/spaceship-synth13.C: New test. * g++.dg/cpp2a/spaceship-synth14.C: New test. * g++.dg/cpp2a/spaceship-eq11.C: New test. * g++.dg/cpp2a/spaceship-eq12.C: New test. * g++.dg/cpp2a/spaceship-eq13.C: New test.
2021-10-05c++: templated static local var has value-dep addr [PR98930]Patrick Palka1-0/+7
Here uses_template_parms returns false for the dependent type A<&impl::i>, which causes tsubst_aggr_type to think it's non-dependent and not bother substituting into it, leading to breakage. This patch fixes this by making has_value_dependent_address also return true for templated static local variables. PR c++/98930 gcc/cp/ChangeLog: * pt.c (has_value_dependent_address): Return true for a static local variable from a function template. gcc/testsuite/ChangeLog: * g++.dg/cpp1z/nontype4.C: New test. * g++.dg/cpp1z/nontype4a.C: New test.
2021-09-28c++: ttp matching with constrained auto parm [PR99909]Patrick Palka1-2/+2
Here, when unifying TT with S, processing_template_decl is unset, and this foils the dependence checks in do_auto_deduction for avoiding checking constraints on an auto when the initializer is dependent. This patch fixes this by making sure processing_template_decl is set around the call to unify from coerce_template_template_parms; this seems sensible because we're unifying one set of template parameters with another, so we're dealing with templated trees throughout. PR c++/99909 gcc/cp/ChangeLog: * pt.c (coerce_template_template_parms): Keep processing_template_decl set around the call to unify as well. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/concepts-ttp3.C: New test.
2021-09-27c++: deduction guides and ttp rewriting [PR102479]Patrick Palka1-3/+17
The problem here is ultimately that rewrite_tparm_list when rewriting a TEMPLATE_TEMPLATE_PARM introduces a tree cycle in the rewritten ttp that structural_comptypes can't cope with. In particular the DECL_TEMPLATE_PARMS of a ttp's TEMPLATE_DECL normally captures an empty parameter list at its own level (and so the TEMPLATE_DECL doesn't appear in its own DECL_TEMPLATE_PARMS), but rewrite_tparm_list ends up giving it a complete parameter list. In the new testcase below, this causes infinite recursion from structural_comptypes when comparing Tmpl<char> with Tmpl<long> (where both 'Tmpl's are rewritten ttps). This patch fixes this by making rewrite_template_parm give a rewritten template template parm an empty parameter list at its own level, thereby avoiding the tree cycle. Testing the alias CTAD case revealed that we're not setting current_template_parms in alias_ctad_tweaks, which this patch also fixes. PR c++/102479 gcc/cp/ChangeLog: * pt.c (rewrite_template_parm): Handle single-level tsubst_args. Avoid a tree cycle when assigning the DECL_TEMPLATE_PARMS for a rewritten ttp. (alias_ctad_tweaks): Set current_template_parms accordingly. gcc/testsuite/ChangeLog: * g++.dg/cpp1z/class-deduction12.C: Also test alias CTAD in the same way. * g++.dg/cpp1z/class-deduction99.C: New test.
2021-09-22c++: concept-ids and value-dependence [PR102412]Patrick Palka1-13/+2
The problem here is that uses_template_parms returns true for all concept-ids (even those with non-dependent arguments), so when a concept-id is used as a default template argument then during deduction the default argument is considered dependent even after substituting into it, which leads to deduction failure (from type_unification_real). This patch fixes this by implementing the resolution of CWG 2446 which says a concept-id is dependent only if its arguments are. DR 2446 PR c++/102412 gcc/cp/ChangeLog: * constexpr.c (cxx_eval_constant_expression) <case TEMPLATE_ID_EXPR>: Check value_dependent_expression_p instead of processing_template_decl. * pt.c (value_dependent_expression_p) <case TEMPLATE_ID_EXPR>: Return true only if any_dependent_template_arguments_p. (instantiation_dependent_r) <case CALL_EXPR>: Remove this case. <case TEMPLATE_ID_EXPR>: Likewise. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/concepts-nondep2.C: New test. * g++.dg/cpp2a/concepts-nondep3.C: New test.
2021-09-22openmp: Add support for allocator and align modifiers on allocate clausesJakub Jelinek1-0/+10
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.
2021-09-22c++: fix template instantiation comparison in redeclarationsBarrett Adair1-0/+21
This change fixes a primordial c++11 frontend defect where function template redeclarations with trailing return types that used dependent sizeof/alignof/noexcept expressions in template value arguments failed to compare as equivalent to the identical primary template declaration. By forcing structural AST comparison of the template arguments, we no longer require TYPE_CANONICAL to match in this case. The new canon-type-{15..18}.C tests failed with all prior GCC versions, where the redeclarations were incorrectly reported as ambiguous overloads. The new dependent-name{15,16}.C tests are regression tests for sneaky problems encountered during development of this fix. Note that this fix does not address the use of parm objects' constexpr members as template arguments within a declaration (a superficially similar longstanding defect). gcc/cp/ChangeLog: * pt.c (find_parm_usage_r): New walk_tree callback to find func parms. (any_template_arguments_need_structural_equality_p): New special case. gcc/testsuite/ChangeLog: * g++.dg/cpp0x/constexpr-52830.C: Remove unwanted dg-ice. * g++.dg/template/canon-type-15.C: New test. * g++.dg/template/canon-type-16.C: New test. * g++.dg/template/canon-type-17.C: New test. * g++.dg/template/canon-type-18.C: New test. * g++.dg/template/dependent-name15.C: New regression test. * g++.dg/template/dependent-name16.C: New regression test.
2021-09-17c++: improve lookup of member-qualified namesJason Merrill1-0/+9
I've been working on the resolution of CWG1835 by P1787, which among many other things clarified that a name after -> or . is looked up first in the class of the object expression even if it's dependent. This patch does not make that change; this is a smaller change extracted from that work in progress to make the lookup in the object type work better in cases where unqualified lookup doesn't find anything. Basically, if we see "t.foo::" we know that looking up foo in t needs to find a type, so we build an implicit TYPENAME_TYPE for it. This also implements the change from P1787 to assume that a name followed by < in a type-only context names a template, since the less-than operator can't appear in a type context. This makes some of the lines in dtor11.C work. I introduce the predicate 'dependentish_scope_p' for the case where the current instantiation has dependent bases, so even though we can perform name lookup, we can't conclude that a lookup failure is conclusive. gcc/cp/ChangeLog: * cp-tree.h (dependentish_scope_p): Declare. * pt.c (dependentish_scope_p): New. * parser.c (cp_parser_lookup_name): Return a TYPENAME_TYPE for lookup of a type in a dependent object. (cp_parser_template_id): Handle TYPENAME_TYPE. (cp_parser_template_name): If we're looking for a type, a name followed by < names a template. gcc/testsuite/ChangeLog: * g++.dg/template/dtor5.C: Adjust expected error. * g++.dg/cpp23/lookup2.C: New test. * g++.dg/template/dtor11.C: New test.
2021-09-17openmp: Add support for OpenMP 5.1 atomics for C++Jakub Jelinek1-8/+45
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.
2021-09-16c++: constrained variable template issues [PR98486]Patrick Palka1-1/+2
This fixes some issues with constrained variable templates: - Constraints aren't checked when explicitly specializing a variable template. - Constraints aren't attached to a static data member template at parse time. - Constraints don't get propagated when (partially) instantiating a static data member template, so we need to make sure to look up constraints using the most general template during satisfaction. PR c++/98486 gcc/cp/ChangeLog: * constraint.cc (get_normalized_constraints_from_decl): Always look up constraints using the most general template. * decl.c (grokdeclarator): Set constraints on a static data member template. * pt.c (determine_specialization): Check constraints on a variable template. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/concepts-var-templ1.C: New test. * g++.dg/cpp2a/concepts-var-templ1a.C: New test. * g++.dg/cpp2a/concepts-var-templ1b.C: New test.
2021-09-13c++: parameter pack inside constexpr if [PR101764]Patrick Palka1-2/+33
Here when partially instantiating the first pack expansion, substitution into the condition of the constexpr if yields a still-dependent tree, so tsubst_expr returns an IF_STMT with an unsubstituted IF_COND and with IF_STMT_EXTRA_ARGS added to. Hence after partial instantiation the pack expansion pattern still refers to the unlowered parameter pack 'ts' of level 2, and it's thusly recorded in the new PACK_EXPANSION_PARAMETER_PACKS. During the subsequent final instantiation of the regenerated lambda we crash in tsubst_pack_expansion because it can't find an argument pack for this unlowered 'ts', due to the level mismatch. (Likewise when the constexpr if is replaced by a requires-expr, which also uses the extra args mechanism for avoiding partial instantiation.) So essentially, a pack expansion pattern that contains an "extra args" tree doesn't play well with partial instantiation. This patch fixes this by forcing such pack expansions to use the extra args mechanism as well. PR c++/101764 gcc/cp/ChangeLog: * cp-tree.h (PACK_EXPANSION_FORCE_EXTRA_ARGS_P): New accessor macro. * pt.c (has_extra_args_mechanism_p): New function. (find_parameter_pack_data::found_extra_args_tree_p): New data member. (find_parameter_packs_r): Set ppd->found_extra_args_tree_p appropriately. (make_pack_expansion): Set PACK_EXPANSION_FORCE_EXTRA_ARGS_P if ppd.found_extra_args_tree_p. (use_pack_expansion_extra_args_p): Return true if there were unsubstituted packs and PACK_EXPANSION_FORCE_EXTRA_ARGS_P. (tsubst_pack_expansion): Pass the pack expansion to use_pack_expansion_extra_args_p. gcc/testsuite/ChangeLog: * g++.dg/cpp1z/constexpr-if35.C: New test.
2021-09-03c++: Avoid bogus -Wunused with recent changeJason Merrill1-7/+19
My change to make limit_bad_template_recursion avoid instantiating members of erroneous classes produced a bogus "used but not defined" warning for 23_containers/unordered_set/instantiation_neg.cc; it's not defined because we decided not to instantiate it. So we need to suppress that warning. gcc/cp/ChangeLog: * pt.c (limit_bad_template_recursion): Suppress -Wunused for decls we decide not to instantiate.
2021-08-31c++: Improve error recovery with constexpr [PR92193]Jason Merrill1-1/+2
The compiler tries to limit error cascades in limit_bad_template_recursion by avoiding triggering a new instantiation from one that has caused errors. We were exempting constexpr functions from this because they can be needed for constant evaluation, but as more and more functions get marked constexpr, this becomes an over-broad category. So as suggested on IRC, this patch only exempts functions that are needed for mandatory constant evaluation. As noted in the comment, this flag doesn't particularly need to use a bit in the FUNCTION_DECL, but there were still some free. PR c++/92193 gcc/cp/ChangeLog: * cp-tree.h (FNDECL_MANIFESTLY_CONST_EVALUATED): New. * constexpr.c (cxx_eval_call_expression): Set it. * pt.c (neglectable_inst_p): Check it. gcc/testsuite/ChangeLog: * g++.dg/diagnostic/static_assert4.C: New test.
2021-08-30c++: limit instantiation with ill-formed class [PR96286]Jason Merrill1-1/+13
I noticed that after the static_assert failures in lwg3466.cc, we got various follow-on errors because we went ahead and tried to instantiate the promise<T> member functions even after instantiating the class itself ran into problems. Interrupting instantiation of the class itself seems likely to cause error-recovery problems, but preventing instantiation of member functions seems strictly better for error-recovery. This doesn't fix any of the specific testcases in PR96286, but addresses part of that problem space. PR c++/96286 gcc/cp/ChangeLog: * cp-tree.h (struct lang_type): Add erroneous bit-field. (CLASSTYPE_ERRONEOUS): New. * pt.c (limit_bad_template_recursion): Check it. (instantiate_class_template_1): Set it. libstdc++-v3/ChangeLog: * testsuite/30_threads/promise/requirements/lwg3466.cc: Remove dg-prune-outputs. gcc/testsuite/ChangeLog: * g++.dg/template/access2.C: Split struct A.
2021-08-30c++: fold function template args sooner [PR101460]Jason Merrill1-0/+60
As discussed in the PR, we were giving a lot of unnecessary errors for this testcase because we didn't try to do constant evaluation until convert_nontype_argument, which happens for each of the candidates. But when looking at a template-id as the function operand of a call, we can try to fold arguments before we get into overload resolution. PR c++/101460 gcc/cp/ChangeLog: * cp-tree.h (cxx_constant_value_sfinae): Declare. * constexpr.c (cxx_constant_value_sfinae): New. * pt.c (fold_targs_r, maybe_fold_fn_template_args): New. (tsubst_copy_and_build) [CALL_EXPR]: Call maybe_fold_fn_template_args. gcc/testsuite/ChangeLog: * g++.dg/template/explicit-args6.C: New test.
2021-08-18c++: aggregate CTAD and brace elision [PR101344]Patrick Palka1-6/+1
Here the problem is ultimately that collect_ctor_idx_types always recurses into an eligible sub-CONSTRUCTOR regardless of whether the corresponding pair of braces was elided in the original initializer. This causes us to reject some completely-braced forms of aggregate CTAD as in the first testcase below, because collect_ctor_idx_types effectively assumes that the original initializer is always minimally braced (and so the aggregate deduction candidate is given a function type that's incompatible with the original completely-braced initializer). In order to fix this, collect_ctor_idx_types needs to somehow know the shape of the original initializer when iterating over the reshaped initializer. To that end this patch makes reshape_init flag sub-ctors that were built to undo brace elision in the original ctor, so that collect_ctor_idx_types that determine whether to recurse into a sub-ctor by simply inspecting this flag. This happens to also fix PR101820, which is about aggregate CTAD using designated initializers, for much the same reasons. A curious case is the "intermediately-braced" initialization of 'e3' (which we reject) in the first testcase below. It seems to me we're behaving as specified here (according to [over.match.class.deduct]/1) because the initializer element x_1={1, 2, 3, 4} corresponds to the subobject e_1=E::t, hence the type T_1 of the first function parameter of the aggregate deduction candidate is T(&&)[2][2], but T can't be deduced from x_1 using this parameter type (as opposed to say T(&&)[4]). PR c++/101344 PR c++/101820 gcc/cp/ChangeLog: * cp-tree.h (CONSTRUCTOR_BRACES_ELIDED_P): Define. * decl.c (reshape_init_r): Set it. * pt.c (collect_ctor_idx_types): Recurse into a sub-CONSTRUCTOR iff CONSTRUCTOR_BRACES_ELIDED_P. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/class-deduction-aggr11.C: New test. * g++.dg/cpp2a/class-deduction-aggr12.C: New test.
2021-08-18c++: ignore explicit dguides during NTTP CTAD [PR101883]Patrick Palka1-1/+2
Since (template) argument passing is a copy-initialization context, we mustn't consider explicit deduction guides when deducing a CTAD placeholder type of an NTTP. PR c++/101883 gcc/cp/ChangeLog: * pt.c (convert_template_argument): Pass LOOKUP_IMPLICIT to do_auto_deduction. gcc/testsuite/ChangeLog: * g++.dg/cpp2a/nontype-class49.C: New test.
2021-08-17openmp: Implement OpenMP 5.1 scope constructJakub Jelinek1-0/+1
This patch implements the OpenMP 5.1 scope construct, which is similar to worksharing constructs in many regards, but isn't one of them. The body of the construct is encountered by all threads though, it can be nested in itself or intermixed with taskgroup and worksharing etc. constructs can appear inside of it (but it can't be nested in worksharing etc. constructs). The main purpose of the construct is to allow reductions (normal and task ones) without the need to close the parallel and reopen another one. If it doesn't have task reductions, it can be implemented without any new library support, with nowait it just does the privatizations at the start if any and reductions before the end of the body, with without nowait emits a normal GOMP_barrier{,_cancel} at the end too. For task reductions, we need to ensure only one thread initializes the task reduction library data structures and other threads copy from that, so a new GOMP_scope_start routine is added to the library for that. It acts as if the start of the scope construct is a nowait worksharing construct (that is ok, it can't be nested in other worksharing constructs and all threads need to encounter the start in the same order) which does the task reduction initialization, but as the body can have other scope constructs and/or worksharing constructs, that is all where we use this dummy worksharing construct. With task reductions, the construct must not have nowait and ends with a GOMP_barrier{,_cancel}, followed by task reductions followed by GOMP_workshare_task_reduction_unregister. Only C/C++ FE support is done. 2021-08-17 Jakub Jelinek <jakub@redhat.com> gcc/ * tree.def (OMP_SCOPE): New tree code. * tree.h (OMP_SCOPE_BODY, OMP_SCOPE_CLAUSES): Define. * tree-nested.c (convert_nonlocal_reference_stmt, convert_local_reference_stmt, convert_gimple_call): Handle GIMPLE_OMP_SCOPE. * tree-pretty-print.c (dump_generic_node): Handle OMP_SCOPE. * gimple.def (GIMPLE_OMP_SCOPE): New gimple code. * gimple.c (gimple_build_omp_scope): New function. (gimple_copy): Handle GIMPLE_OMP_SCOPE. * gimple.h (gimple_build_omp_scope): Declare. (gimple_has_substatements): Handle GIMPLE_OMP_SCOPE. (gimple_omp_scope_clauses, gimple_omp_scope_clauses_ptr, gimple_omp_scope_set_clauses): New inline functions. (CASE_GIMPLE_OMP): Add GIMPLE_OMP_SCOPE. * gimple-pretty-print.c (dump_gimple_omp_scope): New function. (pp_gimple_stmt_1): Handle GIMPLE_OMP_SCOPE. * 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): For task reductions, handle OMP_SCOPE like ORT_WORKSHARE constructs. Adjust diagnostics for %<scope%> allowing task reductions. Reject inscan reductions on scope. (omp_find_stores_stmt): Handle GIMPLE_OMP_SCOPE. (gimplify_omp_workshare, gimplify_expr): Handle OMP_SCOPE. * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_SCOPE. (estimate_num_insns): Likewise. * omp-low.c (build_outer_var_ref): Look through GIMPLE_OMP_SCOPE contexts if var isn't privatized there. (check_omp_nesting_restrictions): Handle GIMPLE_OMP_SCOPE. (scan_omp_1_stmt): Likewise. (maybe_add_implicit_barrier_cancel): Look through outer scope constructs. (lower_omp_scope): New function. (lower_omp_task_reductions): Handle OMP_SCOPE. (lower_omp_1): Handle GIMPLE_OMP_SCOPE. (diagnose_sb_1, diagnose_sb_2): Likewise. * omp-expand.c (expand_omp_single): Support also GIMPLE_OMP_SCOPE. (expand_omp): Handle GIMPLE_OMP_SCOPE. (omp_make_gimple_edges): Likewise. * omp-builtins.def (BUILT_IN_GOMP_SCOPE_START): New built-in. gcc/c-family/ * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_SCOPE. * c-pragma.c (omp_pragmas): Add scope construct. * c-omp.c (omp_directives): Uncomment scope directive entry. gcc/c/ * c-parser.c (OMP_SCOPE_CLAUSE_MASK): Define. (c_parser_omp_scope): New function. (c_parser_omp_construct): Handle PRAGMA_OMP_SCOPE. gcc/cp/ * parser.c (OMP_SCOPE_CLAUSE_MASK): Define. (cp_parser_omp_scope): New function. (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OMP_SCOPE. * pt.c (tsubst_expr): Handle OMP_SCOPE. gcc/testsuite/ * c-c++-common/gomp/nesting-2.c (foo): Add scope and masked construct tests. * c-c++-common/gomp/scan-1.c (f3): Add scope construct test.. * c-c++-common/gomp/cancel-1.c (f2): Add scope and masked construct tests. * c-c++-common/gomp/reduction-task-2.c (bar): Add scope construct test. Adjust diagnostics for the addition of scope. * c-c++-common/gomp/loop-1.c (f5): Add master, masked and scope construct tests. * c-c++-common/gomp/clause-dups-1.c (f1): Add scope construct test. * gcc.dg/gomp/nesting-1.c (f1, f2, f3): Add scope construct tests. * c-c++-common/gomp/scope-1.c: New test. * c-c++-common/gomp/scope-2.c: New test. * g++.dg/gomp/attrs-1.C (bar): Add scope construct tests. * g++.dg/gomp/attrs-2.C (bar): Likewise. * gfortran.dg/gomp/reduction4.f90: Adjust expected diagnostics. * gfortran.dg/gomp/reduction7.f90: Likewise. libgomp/ * Makefile.am (libgomp_la_SOURCES): Add scope.c * Makefile.in: Regenerated. * libgomp_g.h (GOMP_scope_start): Declare. * libgomp.map: Add GOMP_scope_start@@GOMP_5.1. * scope.c: New file. * testsuite/libgomp.c-c++-common/scope-1.c: New test. * testsuite/libgomp.c-c++-common/task-reduction-16.c: New test.
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