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authorMartin Liska <mliska@suse.cz>2022-01-14 16:56:44 +0100
committerMartin Liska <mliska@suse.cz>2022-01-17 22:12:04 +0100
commit5c69acb32329d49e58c26fa41ae74229a52b9106 (patch)
treeddb05f9d73afb6f998457d2ac4b720e3b3b60483 /gcc/fortran/trans-decl.cc
parent490e23032baaece71f2ec09fa1805064b150fbc2 (diff)
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Rename .c files to .cc files.
gcc/ada/ChangeLog: * adadecode.c: Moved to... * adadecode.cc: ...here. * affinity.c: Moved to... * affinity.cc: ...here. * argv-lynxos178-raven-cert.c: Moved to... * argv-lynxos178-raven-cert.cc: ...here. * argv.c: Moved to... * argv.cc: ...here. * aux-io.c: Moved to... * aux-io.cc: ...here. * cio.c: Moved to... * cio.cc: ...here. * cstreams.c: Moved to... * cstreams.cc: ...here. * env.c: Moved to... * env.cc: ...here. * exit.c: Moved to... * exit.cc: ...here. * expect.c: Moved to... * expect.cc: ...here. * final.c: Moved to... * final.cc: ...here. * gcc-interface/cuintp.c: Moved to... * gcc-interface/cuintp.cc: ...here. * gcc-interface/decl.c: Moved to... * gcc-interface/decl.cc: ...here. * gcc-interface/misc.c: Moved to... * gcc-interface/misc.cc: ...here. * gcc-interface/targtyps.c: Moved to... * gcc-interface/targtyps.cc: ...here. * gcc-interface/trans.c: Moved to... * gcc-interface/trans.cc: ...here. * gcc-interface/utils.c: Moved to... * gcc-interface/utils.cc: ...here. * gcc-interface/utils2.c: Moved to... * gcc-interface/utils2.cc: ...here. * init.c: Moved to... * init.cc: ...here. * initialize.c: Moved to... * initialize.cc: ...here. * libgnarl/thread.c: Moved to... * libgnarl/thread.cc: ...here. * link.c: Moved to... * link.cc: ...here. * locales.c: Moved to... * locales.cc: ...here. * mkdir.c: Moved to... * mkdir.cc: ...here. * raise.c: Moved to... * raise.cc: ...here. * rtfinal.c: Moved to... * rtfinal.cc: ...here. * rtinit.c: Moved to... * rtinit.cc: ...here. * seh_init.c: Moved to... * seh_init.cc: ...here. * sigtramp-armdroid.c: Moved to... * sigtramp-armdroid.cc: ...here. * sigtramp-ios.c: Moved to... * sigtramp-ios.cc: ...here. * sigtramp-qnx.c: Moved to... * sigtramp-qnx.cc: ...here. * sigtramp-vxworks.c: Moved to... * sigtramp-vxworks.cc: ...here. * socket.c: Moved to... * socket.cc: ...here. * tracebak.c: Moved to... * tracebak.cc: ...here. * version.c: Moved to... * version.cc: ...here. * vx_stack_info.c: Moved to... * vx_stack_info.cc: ...here. gcc/ChangeLog: * adjust-alignment.c: Moved to... * adjust-alignment.cc: ...here. * alias.c: Moved to... * alias.cc: ...here. * alloc-pool.c: Moved to... * alloc-pool.cc: ...here. * asan.c: Moved to... * asan.cc: ...here. * attribs.c: Moved to... * attribs.cc: ...here. * auto-inc-dec.c: Moved to... * auto-inc-dec.cc: ...here. * auto-profile.c: Moved to... * auto-profile.cc: ...here. * bb-reorder.c: Moved to... * bb-reorder.cc: ...here. * bitmap.c: Moved to... * bitmap.cc: ...here. * btfout.c: Moved to... * btfout.cc: ...here. * builtins.c: Moved to... * builtins.cc: ...here. * caller-save.c: Moved to... * caller-save.cc: ...here. * calls.c: Moved to... * calls.cc: ...here. * ccmp.c: Moved to... * ccmp.cc: ...here. * cfg.c: Moved to... * cfg.cc: ...here. * cfganal.c: Moved to... * cfganal.cc: ...here. * cfgbuild.c: Moved to... * cfgbuild.cc: ...here. * cfgcleanup.c: Moved to... * cfgcleanup.cc: ...here. * cfgexpand.c: Moved to... * cfgexpand.cc: ...here. * cfghooks.c: Moved to... * cfghooks.cc: ...here. * cfgloop.c: Moved to... * cfgloop.cc: ...here. * cfgloopanal.c: Moved to... * cfgloopanal.cc: ...here. * cfgloopmanip.c: Moved to... * cfgloopmanip.cc: ...here. * cfgrtl.c: Moved to... * cfgrtl.cc: ...here. * cgraph.c: Moved to... * cgraph.cc: ...here. * cgraphbuild.c: Moved to... * cgraphbuild.cc: ...here. * cgraphclones.c: Moved to... * cgraphclones.cc: ...here. * cgraphunit.c: Moved to... * cgraphunit.cc: ...here. * collect-utils.c: Moved to... * collect-utils.cc: ...here. * collect2-aix.c: Moved to... * collect2-aix.cc: ...here. * collect2.c: Moved to... * collect2.cc: ...here. * combine-stack-adj.c: Moved to... * combine-stack-adj.cc: ...here. * combine.c: Moved to... * combine.cc: ...here. * common/common-targhooks.c: Moved to... * common/common-targhooks.cc: ...here. * common/config/aarch64/aarch64-common.c: Moved to... * common/config/aarch64/aarch64-common.cc: ...here. * common/config/alpha/alpha-common.c: Moved to... * common/config/alpha/alpha-common.cc: ...here. * common/config/arc/arc-common.c: Moved to... * common/config/arc/arc-common.cc: ...here. * common/config/arm/arm-common.c: Moved to... * common/config/arm/arm-common.cc: ...here. * common/config/avr/avr-common.c: Moved to... * common/config/avr/avr-common.cc: ...here. * common/config/bfin/bfin-common.c: Moved to... * common/config/bfin/bfin-common.cc: ...here. * common/config/bpf/bpf-common.c: Moved to... * common/config/bpf/bpf-common.cc: ...here. * common/config/c6x/c6x-common.c: Moved to... * common/config/c6x/c6x-common.cc: ...here. * common/config/cr16/cr16-common.c: Moved to... * common/config/cr16/cr16-common.cc: ...here. * common/config/cris/cris-common.c: Moved to... * common/config/cris/cris-common.cc: ...here. * common/config/csky/csky-common.c: Moved to... * common/config/csky/csky-common.cc: ...here. * common/config/default-common.c: Moved to... * common/config/default-common.cc: ...here. * common/config/epiphany/epiphany-common.c: Moved to... * common/config/epiphany/epiphany-common.cc: ...here. * common/config/fr30/fr30-common.c: Moved to... * common/config/fr30/fr30-common.cc: ...here. * common/config/frv/frv-common.c: Moved to... * common/config/frv/frv-common.cc: ...here. * common/config/gcn/gcn-common.c: Moved to... * common/config/gcn/gcn-common.cc: ...here. * common/config/h8300/h8300-common.c: Moved to... * common/config/h8300/h8300-common.cc: ...here. * common/config/i386/i386-common.c: Moved to... * common/config/i386/i386-common.cc: ...here. * common/config/ia64/ia64-common.c: Moved to... * common/config/ia64/ia64-common.cc: ...here. * common/config/iq2000/iq2000-common.c: Moved to... * common/config/iq2000/iq2000-common.cc: ...here. * common/config/lm32/lm32-common.c: Moved to... * common/config/lm32/lm32-common.cc: ...here. * common/config/m32r/m32r-common.c: Moved to... * common/config/m32r/m32r-common.cc: ...here. * common/config/m68k/m68k-common.c: Moved to... * common/config/m68k/m68k-common.cc: ...here. * common/config/mcore/mcore-common.c: Moved to... * common/config/mcore/mcore-common.cc: ...here. * common/config/microblaze/microblaze-common.c: Moved to... * common/config/microblaze/microblaze-common.cc: ...here. * common/config/mips/mips-common.c: Moved to... * common/config/mips/mips-common.cc: ...here. * common/config/mmix/mmix-common.c: Moved to... * common/config/mmix/mmix-common.cc: ...here. * common/config/mn10300/mn10300-common.c: Moved to... * common/config/mn10300/mn10300-common.cc: ...here. * common/config/msp430/msp430-common.c: Moved to... * common/config/msp430/msp430-common.cc: ...here. * common/config/nds32/nds32-common.c: Moved to... * common/config/nds32/nds32-common.cc: ...here. * common/config/nios2/nios2-common.c: Moved to... * common/config/nios2/nios2-common.cc: ...here. * common/config/nvptx/nvptx-common.c: Moved to... * common/config/nvptx/nvptx-common.cc: ...here. * common/config/or1k/or1k-common.c: Moved 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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... * 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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: 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config/msp430/msp430.c: Moved to... * config/msp430/msp430.cc: ...here. * config/nds32/nds32-cost.c: Moved to... * config/nds32/nds32-cost.cc: ...here. * config/nds32/nds32-fp-as-gp.c: Moved to... * config/nds32/nds32-fp-as-gp.cc: ...here. * config/nds32/nds32-intrinsic.c: Moved to... * config/nds32/nds32-intrinsic.cc: ...here. * config/nds32/nds32-isr.c: Moved to... * config/nds32/nds32-isr.cc: ...here. * config/nds32/nds32-md-auxiliary.c: Moved to... * config/nds32/nds32-md-auxiliary.cc: ...here. * config/nds32/nds32-memory-manipulation.c: Moved to... * config/nds32/nds32-memory-manipulation.cc: ...here. * config/nds32/nds32-pipelines-auxiliary.c: Moved to... * config/nds32/nds32-pipelines-auxiliary.cc: ...here. * config/nds32/nds32-predicates.c: Moved to... * config/nds32/nds32-predicates.cc: ...here. * config/nds32/nds32-relax-opt.c: Moved to... * config/nds32/nds32-relax-opt.cc: ...here. * config/nds32/nds32-utils.c: Moved to... * config/nds32/nds32-utils.cc: ...here. * config/nds32/nds32.c: Moved to... * config/nds32/nds32.cc: ...here. * config/netbsd-d.c: Moved to... * config/netbsd-d.cc: ...here. * config/netbsd.c: Moved to... * config/netbsd.cc: ...here. * config/nios2/nios2.c: Moved to... * config/nios2/nios2.cc: ...here. * config/nvptx/mkoffload.c: Moved to... * config/nvptx/mkoffload.cc: ...here. * config/nvptx/nvptx-c.c: Moved to... * config/nvptx/nvptx-c.cc: ...here. * config/nvptx/nvptx.c: Moved to... * config/nvptx/nvptx.cc: ...here. * config/openbsd-d.c: Moved to... * config/openbsd-d.cc: ...here. * config/or1k/or1k.c: Moved to... * config/or1k/or1k.cc: ...here. * config/pa/pa-d.c: Moved to... * config/pa/pa-d.cc: ...here. * config/pa/pa.c: Moved to... * config/pa/pa.cc: ...here. * config/pdp11/pdp11.c: Moved to... * config/pdp11/pdp11.cc: ...here. * config/pru/pru-passes.c: Moved to... * config/pru/pru-passes.cc: ...here. * config/pru/pru-pragma.c: Moved to... * config/pru/pru-pragma.cc: ...here. * config/pru/pru.c: Moved to... * config/pru/pru.cc: ...here. * config/riscv/riscv-builtins.c: Moved to... * config/riscv/riscv-builtins.cc: ...here. * config/riscv/riscv-c.c: Moved to... * config/riscv/riscv-c.cc: ...here. * config/riscv/riscv-d.c: Moved to... * config/riscv/riscv-d.cc: ...here. * config/riscv/riscv-shorten-memrefs.c: Moved to... * config/riscv/riscv-shorten-memrefs.cc: ...here. * config/riscv/riscv-sr.c: Moved to... * config/riscv/riscv-sr.cc: ...here. * config/riscv/riscv.c: Moved to... * config/riscv/riscv.cc: ...here. * config/rl78/rl78-c.c: Moved to... * config/rl78/rl78-c.cc: ...here. * config/rl78/rl78.c: Moved to... * config/rl78/rl78.cc: ...here. * config/rs6000/driver-rs6000.c: Moved to... * config/rs6000/driver-rs6000.cc: ...here. * config/rs6000/host-darwin.c: Moved to... * config/rs6000/host-darwin.cc: ...here. * config/rs6000/host-ppc64-darwin.c: Moved to... * config/rs6000/host-ppc64-darwin.cc: ...here. * config/rs6000/rbtree.c: Moved to... * config/rs6000/rbtree.cc: ...here. * config/rs6000/rs6000-c.c: Moved to... * config/rs6000/rs6000-c.cc: ...here. * config/rs6000/rs6000-call.c: Moved to... * config/rs6000/rs6000-call.cc: ...here. * config/rs6000/rs6000-d.c: Moved to... * config/rs6000/rs6000-d.cc: ...here. * config/rs6000/rs6000-gen-builtins.c: Moved to... * config/rs6000/rs6000-gen-builtins.cc: ...here. * config/rs6000/rs6000-linux.c: Moved to... * config/rs6000/rs6000-linux.cc: ...here. * config/rs6000/rs6000-logue.c: Moved to... * config/rs6000/rs6000-logue.cc: ...here. * config/rs6000/rs6000-p8swap.c: Moved to... * config/rs6000/rs6000-p8swap.cc: ...here. * config/rs6000/rs6000-pcrel-opt.c: Moved to... * config/rs6000/rs6000-pcrel-opt.cc: ...here. * config/rs6000/rs6000-string.c: Moved to... * config/rs6000/rs6000-string.cc: ...here. * config/rs6000/rs6000.c: Moved to... * config/rs6000/rs6000.cc: ...here. * config/rx/rx.c: Moved to... * config/rx/rx.cc: ...here. * config/s390/driver-native.c: Moved to... * config/s390/driver-native.cc: ...here. * config/s390/s390-c.c: Moved to... * config/s390/s390-c.cc: ...here. * config/s390/s390-d.c: Moved to... * config/s390/s390-d.cc: ...here. * config/s390/s390.c: Moved to... * config/s390/s390.cc: ...here. * config/sh/divtab-sh4-300.c: Moved to... * config/sh/divtab-sh4-300.cc: ...here. * config/sh/divtab-sh4.c: Moved to... * config/sh/divtab-sh4.cc: ...here. * config/sh/divtab.c: Moved to... * config/sh/divtab.cc: ...here. * config/sh/sh-c.c: Moved to... * config/sh/sh-c.cc: ...here. * config/sh/sh.c: Moved to... * config/sh/sh.cc: ...here. * config/sol2-c.c: Moved to... * config/sol2-c.cc: ...here. * config/sol2-cxx.c: Moved to... * config/sol2-cxx.cc: ...here. * config/sol2-d.c: Moved to... * config/sol2-d.cc: ...here. * config/sol2-stubs.c: Moved to... * config/sol2-stubs.cc: ...here. * config/sol2.c: Moved to... * config/sol2.cc: ...here. * config/sparc/driver-sparc.c: Moved to... * config/sparc/driver-sparc.cc: ...here. * config/sparc/sparc-c.c: Moved to... * config/sparc/sparc-c.cc: ...here. * config/sparc/sparc-d.c: Moved to... * config/sparc/sparc-d.cc: ...here. * config/sparc/sparc.c: Moved to... * config/sparc/sparc.cc: ...here. * config/stormy16/stormy16.c: Moved to... * config/stormy16/stormy16.cc: ...here. * config/tilegx/mul-tables.c: Moved to... * config/tilegx/mul-tables.cc: ...here. * config/tilegx/tilegx-c.c: Moved to... * config/tilegx/tilegx-c.cc: ...here. * config/tilegx/tilegx.c: Moved to... * config/tilegx/tilegx.cc: ...here. * config/tilepro/mul-tables.c: Moved to... * config/tilepro/mul-tables.cc: ...here. * config/tilepro/tilepro-c.c: Moved to... * config/tilepro/tilepro-c.cc: ...here. * config/tilepro/tilepro.c: Moved to... * config/tilepro/tilepro.cc: ...here. * config/v850/v850-c.c: Moved to... * config/v850/v850-c.cc: ...here. * config/v850/v850.c: Moved to... * config/v850/v850.cc: ...here. * config/vax/vax.c: Moved to... * config/vax/vax.cc: ...here. * config/visium/visium.c: Moved to... * config/visium/visium.cc: ...here. * config/vms/vms-c.c: Moved to... * config/vms/vms-c.cc: ...here. * config/vms/vms-f.c: Moved to... * config/vms/vms-f.cc: ...here. * config/vms/vms.c: Moved to... * config/vms/vms.cc: ...here. * config/vxworks-c.c: Moved to... * config/vxworks-c.cc: ...here. * config/vxworks.c: Moved to... * config/vxworks.cc: ...here. * config/winnt-c.c: Moved to... * config/winnt-c.cc: ...here. * config/xtensa/xtensa.c: Moved to... * config/xtensa/xtensa.cc: ...here. * context.c: Moved to... * context.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * coverage.c: Moved to... * coverage.cc: ...here. * cppbuiltin.c: Moved to... * cppbuiltin.cc: ...here. * cppdefault.c: Moved to... * cppdefault.cc: ...here. * cprop.c: Moved to... * cprop.cc: ...here. * cse.c: Moved to... * cse.cc: ...here. * cselib.c: Moved to... * cselib.cc: ...here. * ctfc.c: Moved to... * ctfc.cc: ...here. * ctfout.c: Moved to... * ctfout.cc: ...here. * data-streamer-in.c: Moved to... * data-streamer-in.cc: ...here. * data-streamer-out.c: Moved to... * data-streamer-out.cc: ...here. * data-streamer.c: Moved to... * data-streamer.cc: ...here. * dbgcnt.c: Moved to... * dbgcnt.cc: ...here. * dbxout.c: Moved to... * dbxout.cc: ...here. * dce.c: Moved to... * dce.cc: ...here. * ddg.c: Moved to... * ddg.cc: ...here. * debug.c: Moved to... * debug.cc: ...here. * df-core.c: Moved to... * df-core.cc: ...here. * df-problems.c: Moved to... * df-problems.cc: ...here. * df-scan.c: Moved to... * df-scan.cc: ...here. * dfp.c: Moved to... * dfp.cc: ...here. * diagnostic-color.c: Moved to... * diagnostic-color.cc: ...here. * diagnostic-show-locus.c: Moved to... * diagnostic-show-locus.cc: ...here. * diagnostic-spec.c: Moved to... * diagnostic-spec.cc: ...here. * diagnostic.c: Moved to... * diagnostic.cc: ...here. * dojump.c: Moved to... * dojump.cc: ...here. * dominance.c: Moved to... * dominance.cc: ...here. * domwalk.c: Moved to... * domwalk.cc: ...here. * double-int.c: Moved to... * double-int.cc: ...here. * dse.c: Moved to... * dse.cc: ...here. * dumpfile.c: Moved to... * dumpfile.cc: ...here. * dwarf2asm.c: Moved to... * dwarf2asm.cc: ...here. * dwarf2cfi.c: Moved to... * dwarf2cfi.cc: ...here. * dwarf2ctf.c: Moved to... * dwarf2ctf.cc: ...here. * dwarf2out.c: Moved to... * dwarf2out.cc: ...here. * early-remat.c: Moved to... * early-remat.cc: ...here. * edit-context.c: Moved to... * edit-context.cc: ...here. * emit-rtl.c: Moved to... * emit-rtl.cc: ...here. * errors.c: Moved to... * errors.cc: ...here. * et-forest.c: Moved to... * et-forest.cc: ...here. * except.c: Moved to... * except.cc: ...here. * explow.c: Moved to... * explow.cc: ...here. * expmed.c: Moved to... * expmed.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * fibonacci_heap.c: Moved to... * fibonacci_heap.cc: ...here. * file-find.c: Moved to... * file-find.cc: ...here. * file-prefix-map.c: Moved to... * file-prefix-map.cc: ...here. * final.c: Moved to... * final.cc: ...here. * fixed-value.c: Moved to... * fixed-value.cc: ...here. * fold-const-call.c: Moved to... * fold-const-call.cc: ...here. * fold-const.c: Moved to... * fold-const.cc: ...here. * fp-test.c: Moved to... * fp-test.cc: ...here. * function-tests.c: Moved to... * function-tests.cc: ...here. * function.c: Moved to... * function.cc: ...here. * fwprop.c: Moved to... * fwprop.cc: ...here. * gcc-ar.c: Moved to... * gcc-ar.cc: ...here. * gcc-main.c: Moved to... * gcc-main.cc: ...here. * gcc-rich-location.c: Moved to... * gcc-rich-location.cc: ...here. * gcc.c: Moved to... * gcc.cc: ...here. * gcov-dump.c: Moved to... * gcov-dump.cc: ...here. * gcov-io.c: Moved to... * gcov-io.cc: ...here. * gcov-tool.c: Moved to... * gcov-tool.cc: ...here. * gcov.c: Moved to... * gcov.cc: ...here. * gcse-common.c: Moved to... * gcse-common.cc: ...here. * gcse.c: Moved to... * gcse.cc: ...here. * genattr-common.c: Moved to... * genattr-common.cc: ...here. * genattr.c: Moved to... * genattr.cc: ...here. * genattrtab.c: Moved to... * genattrtab.cc: ...here. * genautomata.c: Moved to... * genautomata.cc: ...here. * gencfn-macros.c: Moved to... * gencfn-macros.cc: ...here. * gencheck.c: Moved to... * gencheck.cc: ...here. * genchecksum.c: Moved to... * genchecksum.cc: ...here. * gencodes.c: Moved to... * gencodes.cc: ...here. * genconditions.c: Moved to... * genconditions.cc: ...here. * genconfig.c: Moved to... * genconfig.cc: ...here. * genconstants.c: Moved to... * genconstants.cc: ...here. * genemit.c: Moved to... * genemit.cc: ...here. * genenums.c: Moved to... * genenums.cc: ...here. * generic-match-head.c: Moved to... * generic-match-head.cc: ...here. * genextract.c: Moved to... * genextract.cc: ...here. * genflags.c: Moved to... * genflags.cc: ...here. * gengenrtl.c: Moved to... * gengenrtl.cc: ...here. * gengtype-parse.c: Moved to... * gengtype-parse.cc: ...here. * gengtype-state.c: Moved to... * gengtype-state.cc: ...here. * gengtype.c: Moved to... * gengtype.cc: ...here. * genhooks.c: Moved to... * genhooks.cc: ...here. * genmatch.c: Moved to... * genmatch.cc: ...here. * genmddeps.c: Moved to... * genmddeps.cc: ...here. * genmddump.c: Moved to... * genmddump.cc: ...here. * genmodes.c: Moved to... * genmodes.cc: ...here. * genopinit.c: Moved to... * genopinit.cc: ...here. * genoutput.c: Moved to... * genoutput.cc: ...here. * genpeep.c: Moved to... * genpeep.cc: ...here. * genpreds.c: Moved to... * genpreds.cc: ...here. * genrecog.c: Moved to... * genrecog.cc: ...here. * gensupport.c: Moved to... * gensupport.cc: ...here. * gentarget-def.c: Moved to... * gentarget-def.cc: ...here. * genversion.c: Moved to... * genversion.cc: ...here. * ggc-common.c: Moved to... * ggc-common.cc: ...here. * ggc-none.c: Moved to... * ggc-none.cc: ...here. * ggc-page.c: Moved to... * ggc-page.cc: ...here. * ggc-tests.c: Moved to... * ggc-tests.cc: ...here. * gimple-builder.c: Moved to... * gimple-builder.cc: ...here. * gimple-expr.c: Moved to... * gimple-expr.cc: ...here. * gimple-fold.c: Moved to... * gimple-fold.cc: ...here. * gimple-iterator.c: Moved to... * gimple-iterator.cc: ...here. * gimple-laddress.c: Moved to... * gimple-laddress.cc: ...here. * gimple-loop-jam.c: Moved to... * gimple-loop-jam.cc: ...here. * gimple-low.c: Moved to... * gimple-low.cc: ...here. * gimple-match-head.c: Moved to... * gimple-match-head.cc: ...here. * gimple-pretty-print.c: Moved to... * gimple-pretty-print.cc: ...here. * gimple-ssa-backprop.c: Moved to... * gimple-ssa-backprop.cc: ...here. * gimple-ssa-evrp-analyze.c: Moved to... * gimple-ssa-evrp-analyze.cc: ...here. * gimple-ssa-evrp.c: Moved to... * gimple-ssa-evrp.cc: ...here. * gimple-ssa-isolate-paths.c: Moved to... * gimple-ssa-isolate-paths.cc: ...here. * gimple-ssa-nonnull-compare.c: Moved to... * gimple-ssa-nonnull-compare.cc: ...here. * gimple-ssa-split-paths.c: Moved to... * gimple-ssa-split-paths.cc: ...here. * gimple-ssa-sprintf.c: Moved to... * gimple-ssa-sprintf.cc: ...here. * gimple-ssa-store-merging.c: Moved to... * gimple-ssa-store-merging.cc: ...here. * gimple-ssa-strength-reduction.c: Moved to... * gimple-ssa-strength-reduction.cc: ...here. * gimple-ssa-warn-alloca.c: Moved to... * gimple-ssa-warn-alloca.cc: ...here. * gimple-ssa-warn-restrict.c: Moved to... * gimple-ssa-warn-restrict.cc: ...here. * gimple-streamer-in.c: Moved to... * gimple-streamer-in.cc: ...here. * gimple-streamer-out.c: Moved to... * gimple-streamer-out.cc: ...here. * gimple-walk.c: Moved to... * gimple-walk.cc: ...here. * gimple-warn-recursion.c: Moved to... * gimple-warn-recursion.cc: ...here. * gimple.c: Moved to... * gimple.cc: ...here. * gimplify-me.c: Moved to... * gimplify-me.cc: ...here. * gimplify.c: Moved to... * gimplify.cc: ...here. * godump.c: Moved to... * godump.cc: ...here. * graph.c: Moved to... * graph.cc: ...here. * graphds.c: Moved to... * graphds.cc: ...here. * graphite-dependences.c: Moved to... * graphite-dependences.cc: ...here. * graphite-isl-ast-to-gimple.c: Moved to... * graphite-isl-ast-to-gimple.cc: ...here. * graphite-optimize-isl.c: Moved to... * graphite-optimize-isl.cc: ...here. * graphite-poly.c: Moved to... * graphite-poly.cc: ...here. * graphite-scop-detection.c: Moved to... * graphite-scop-detection.cc: ...here. * graphite-sese-to-poly.c: Moved to... * graphite-sese-to-poly.cc: ...here. * graphite.c: Moved to... * graphite.cc: ...here. * haifa-sched.c: Moved to... * haifa-sched.cc: ...here. * hash-map-tests.c: Moved to... * hash-map-tests.cc: ...here. * hash-set-tests.c: Moved to... * hash-set-tests.cc: ...here. * hash-table.c: Moved to... * hash-table.cc: ...here. * hooks.c: Moved to... * hooks.cc: ...here. * host-default.c: Moved to... * host-default.cc: ...here. * hw-doloop.c: Moved to... * hw-doloop.cc: ...here. * hwint.c: Moved to... * hwint.cc: ...here. * ifcvt.c: Moved to... * ifcvt.cc: ...here. * inchash.c: Moved to... * inchash.cc: ...here. * incpath.c: Moved to... * incpath.cc: ...here. * init-regs.c: Moved to... * init-regs.cc: ...here. * input.c: Moved to... * input.cc: ...here. * internal-fn.c: Moved to... * internal-fn.cc: ...here. * intl.c: Moved to... * intl.cc: ...here. * ipa-comdats.c: Moved to... * ipa-comdats.cc: ...here. * ipa-cp.c: Moved to... * ipa-cp.cc: ...here. * ipa-devirt.c: Moved to... * ipa-devirt.cc: ...here. * ipa-fnsummary.c: Moved to... * ipa-fnsummary.cc: ...here. * ipa-icf-gimple.c: Moved to... * ipa-icf-gimple.cc: ...here. * ipa-icf.c: Moved to... * ipa-icf.cc: ...here. * ipa-inline-analysis.c: Moved to... * ipa-inline-analysis.cc: ...here. * ipa-inline-transform.c: Moved to... * ipa-inline-transform.cc: ...here. * ipa-inline.c: Moved to... * ipa-inline.cc: ...here. * ipa-modref-tree.c: Moved to... * ipa-modref-tree.cc: ...here. * ipa-modref.c: Moved to... * ipa-modref.cc: ...here. * ipa-param-manipulation.c: Moved to... * ipa-param-manipulation.cc: ...here. * ipa-polymorphic-call.c: Moved to... * ipa-polymorphic-call.cc: ...here. * ipa-predicate.c: Moved to... * ipa-predicate.cc: ...here. * ipa-profile.c: Moved to... * ipa-profile.cc: ...here. * ipa-prop.c: Moved to... * ipa-prop.cc: ...here. * ipa-pure-const.c: Moved to... * ipa-pure-const.cc: ...here. * ipa-ref.c: Moved to... * ipa-ref.cc: ...here. * ipa-reference.c: Moved to... * ipa-reference.cc: ...here. * ipa-split.c: Moved to... * ipa-split.cc: ...here. * ipa-sra.c: Moved to... * ipa-sra.cc: ...here. * ipa-utils.c: Moved to... * ipa-utils.cc: ...here. * ipa-visibility.c: Moved to... * ipa-visibility.cc: ...here. * ipa.c: Moved to... * ipa.cc: ...here. * ira-build.c: Moved to... * ira-build.cc: ...here. * ira-color.c: Moved to... * ira-color.cc: ...here. * ira-conflicts.c: Moved to... * ira-conflicts.cc: ...here. * ira-costs.c: Moved to... * ira-costs.cc: ...here. * ira-emit.c: Moved to... * ira-emit.cc: ...here. * ira-lives.c: Moved to... * ira-lives.cc: ...here. * ira.c: Moved to... * ira.cc: ...here. * jump.c: Moved to... * jump.cc: ...here. * langhooks.c: Moved to... * langhooks.cc: ...here. * lcm.c: Moved to... * lcm.cc: ...here. * lists.c: Moved to... * lists.cc: ...here. * loop-doloop.c: Moved to... * loop-doloop.cc: ...here. * loop-init.c: Moved to... * loop-init.cc: ...here. * loop-invariant.c: Moved to... * loop-invariant.cc: ...here. * loop-iv.c: Moved to... * loop-iv.cc: ...here. * loop-unroll.c: Moved to... * loop-unroll.cc: ...here. * lower-subreg.c: Moved to... * lower-subreg.cc: ...here. * lra-assigns.c: Moved to... * lra-assigns.cc: ...here. * lra-coalesce.c: Moved to... * lra-coalesce.cc: ...here. * lra-constraints.c: Moved to... * lra-constraints.cc: ...here. * lra-eliminations.c: Moved to... * lra-eliminations.cc: ...here. * lra-lives.c: Moved to... * lra-lives.cc: ...here. * lra-remat.c: Moved to... * lra-remat.cc: ...here. * lra-spills.c: Moved to... * lra-spills.cc: ...here. * lra.c: Moved to... * lra.cc: ...here. * lto-cgraph.c: Moved to... * lto-cgraph.cc: ...here. * lto-compress.c: Moved to... * lto-compress.cc: ...here. * lto-opts.c: Moved to... * lto-opts.cc: ...here. * lto-section-in.c: Moved to... * lto-section-in.cc: ...here. * lto-section-out.c: Moved to... * lto-section-out.cc: ...here. * lto-streamer-in.c: Moved to... * lto-streamer-in.cc: ...here. * lto-streamer-out.c: Moved to... * lto-streamer-out.cc: ...here. * lto-streamer.c: Moved to... * lto-streamer.cc: ...here. * lto-wrapper.c: Moved to... * lto-wrapper.cc: ...here. * main.c: Moved to... * main.cc: ...here. * mcf.c: Moved to... * mcf.cc: ...here. * mode-switching.c: Moved to... * mode-switching.cc: ...here. * modulo-sched.c: Moved to... * modulo-sched.cc: ...here. * multiple_target.c: Moved to... * multiple_target.cc: ...here. * omp-expand.c: Moved to... * omp-expand.cc: ...here. * omp-general.c: Moved to... * omp-general.cc: ...here. * omp-low.c: Moved to... * omp-low.cc: ...here. * omp-offload.c: Moved to... * omp-offload.cc: ...here. * omp-simd-clone.c: Moved to... * omp-simd-clone.cc: ...here. * opt-suggestions.c: Moved to... * opt-suggestions.cc: ...here. * optabs-libfuncs.c: Moved to... * optabs-libfuncs.cc: ...here. * optabs-query.c: Moved to... * optabs-query.cc: ...here. * optabs-tree.c: Moved to... * optabs-tree.cc: ...here. * optabs.c: Moved to... * optabs.cc: ...here. * opts-common.c: Moved to... * opts-common.cc: ...here. * opts-global.c: Moved to... * opts-global.cc: ...here. * opts.c: Moved to... * opts.cc: ...here. * passes.c: Moved to... * passes.cc: ...here. * plugin.c: Moved to... * plugin.cc: ...here. * postreload-gcse.c: Moved to... * postreload-gcse.cc: ...here. * postreload.c: Moved to... * postreload.cc: ...here. * predict.c: Moved to... * predict.cc: ...here. * prefix.c: Moved to... * prefix.cc: ...here. * pretty-print.c: Moved to... * pretty-print.cc: ...here. * print-rtl-function.c: Moved to... * print-rtl-function.cc: ...here. * print-rtl.c: Moved to... * print-rtl.cc: ...here. * print-tree.c: Moved to... * print-tree.cc: ...here. * profile-count.c: Moved to... * profile-count.cc: ...here. * profile.c: Moved to... * profile.cc: ...here. * read-md.c: Moved to... * read-md.cc: ...here. * read-rtl-function.c: Moved to... * read-rtl-function.cc: ...here. * read-rtl.c: Moved to... * read-rtl.cc: ...here. * real.c: Moved to... * real.cc: ...here. * realmpfr.c: Moved to... * realmpfr.cc: ...here. * recog.c: Moved to... * recog.cc: ...here. * ree.c: Moved to... * ree.cc: ...here. * reg-stack.c: Moved to... * reg-stack.cc: ...here. * regcprop.c: Moved to... * regcprop.cc: ...here. * reginfo.c: Moved to... * reginfo.cc: ...here. * regrename.c: Moved to... * regrename.cc: ...here. * regstat.c: Moved to... * regstat.cc: ...here. * reload.c: Moved to... * reload.cc: ...here. * reload1.c: Moved to... * reload1.cc: ...here. * reorg.c: Moved to... * reorg.cc: ...here. * resource.c: Moved to... * resource.cc: ...here. * rtl-error.c: Moved to... * rtl-error.cc: ...here. * rtl-tests.c: Moved to... * rtl-tests.cc: ...here. * rtl.c: Moved to... * rtl.cc: ...here. * rtlanal.c: Moved to... * rtlanal.cc: ...here. * rtlhash.c: Moved to... * rtlhash.cc: ...here. * rtlhooks.c: Moved to... * rtlhooks.cc: ...here. * rtx-vector-builder.c: Moved to... * rtx-vector-builder.cc: ...here. * run-rtl-passes.c: Moved to... * run-rtl-passes.cc: ...here. * sancov.c: Moved to... * sancov.cc: ...here. * sanopt.c: Moved to... * sanopt.cc: ...here. * sbitmap.c: Moved to... * sbitmap.cc: ...here. * sched-deps.c: Moved to... * sched-deps.cc: ...here. * sched-ebb.c: Moved to... * sched-ebb.cc: ...here. * sched-rgn.c: Moved to... * sched-rgn.cc: ...here. * sel-sched-dump.c: Moved to... * sel-sched-dump.cc: ...here. * sel-sched-ir.c: Moved to... * sel-sched-ir.cc: ...here. * sel-sched.c: Moved to... * sel-sched.cc: ...here. * selftest-diagnostic.c: Moved to... * selftest-diagnostic.cc: ...here. * selftest-rtl.c: Moved to... * selftest-rtl.cc: ...here. * selftest-run-tests.c: Moved to... * selftest-run-tests.cc: ...here. * selftest.c: Moved to... * selftest.cc: ...here. * sese.c: Moved to... * sese.cc: ...here. * shrink-wrap.c: Moved to... * shrink-wrap.cc: ...here. * simplify-rtx.c: Moved to... * simplify-rtx.cc: ...here. * sparseset.c: Moved to... * sparseset.cc: ...here. * spellcheck-tree.c: Moved to... * spellcheck-tree.cc: ...here. * spellcheck.c: Moved to... * spellcheck.cc: ...here. * sreal.c: Moved to... * sreal.cc: ...here. * stack-ptr-mod.c: Moved to... * stack-ptr-mod.cc: ...here. * statistics.c: Moved to... * statistics.cc: ...here. * stmt.c: Moved to... * stmt.cc: ...here. * stor-layout.c: Moved to... * stor-layout.cc: ...here. * store-motion.c: Moved to... * store-motion.cc: ...here. * streamer-hooks.c: Moved to... * streamer-hooks.cc: ...here. * stringpool.c: Moved to... * stringpool.cc: ...here. * substring-locations.c: Moved to... * substring-locations.cc: ...here. * symtab.c: Moved to... * symtab.cc: ...here. * target-globals.c: Moved to... * target-globals.cc: ...here. * targhooks.c: Moved to... * targhooks.cc: ...here. * timevar.c: Moved to... * timevar.cc: ...here. * toplev.c: Moved to... * toplev.cc: ...here. * tracer.c: Moved to... * tracer.cc: ...here. * trans-mem.c: Moved to... * trans-mem.cc: ...here. * tree-affine.c: Moved to... * tree-affine.cc: ...here. * tree-call-cdce.c: Moved to... * tree-call-cdce.cc: ...here. * tree-cfg.c: Moved to... * tree-cfg.cc: ...here. * tree-cfgcleanup.c: Moved to... * tree-cfgcleanup.cc: ...here. * tree-chrec.c: Moved to... * tree-chrec.cc: ...here. * tree-complex.c: Moved to... * tree-complex.cc: ...here. * tree-data-ref.c: Moved to... * tree-data-ref.cc: ...here. * tree-dfa.c: Moved to... * tree-dfa.cc: ...here. * tree-diagnostic.c: Moved to... * tree-diagnostic.cc: ...here. * tree-dump.c: Moved to... * tree-dump.cc: ...here. * tree-eh.c: Moved to... * tree-eh.cc: ...here. * tree-emutls.c: Moved to... * tree-emutls.cc: ...here. * tree-if-conv.c: Moved to... * tree-if-conv.cc: ...here. * tree-inline.c: Moved to... * tree-inline.cc: ...here. * tree-into-ssa.c: Moved to... * tree-into-ssa.cc: ...here. * tree-iterator.c: Moved to... * tree-iterator.cc: ...here. * tree-loop-distribution.c: Moved to... * tree-loop-distribution.cc: ...here. * tree-nested.c: Moved to... * tree-nested.cc: ...here. * tree-nrv.c: Moved to... * tree-nrv.cc: ...here. * tree-object-size.c: Moved to... * tree-object-size.cc: ...here. * tree-outof-ssa.c: Moved to... * tree-outof-ssa.cc: ...here. * tree-parloops.c: Moved to... * tree-parloops.cc: ...here. * tree-phinodes.c: Moved to... * tree-phinodes.cc: ...here. * tree-predcom.c: Moved to... * tree-predcom.cc: ...here. * tree-pretty-print.c: Moved to... * tree-pretty-print.cc: ...here. * tree-profile.c: Moved to... * tree-profile.cc: ...here. * tree-scalar-evolution.c: Moved to... * tree-scalar-evolution.cc: ...here. * tree-sra.c: Moved to... * tree-sra.cc: ...here. * tree-ssa-address.c: Moved to... * tree-ssa-address.cc: ...here. * tree-ssa-alias.c: Moved to... * tree-ssa-alias.cc: ...here. * tree-ssa-ccp.c: Moved to... * tree-ssa-ccp.cc: ...here. * tree-ssa-coalesce.c: Moved to... * tree-ssa-coalesce.cc: ...here. * tree-ssa-copy.c: Moved to... * tree-ssa-copy.cc: ...here. * tree-ssa-dce.c: Moved to... * tree-ssa-dce.cc: ...here. * tree-ssa-dom.c: Moved to... * tree-ssa-dom.cc: ...here. * tree-ssa-dse.c: Moved to... * tree-ssa-dse.cc: ...here. * tree-ssa-forwprop.c: Moved to... * tree-ssa-forwprop.cc: ...here. * tree-ssa-ifcombine.c: Moved to... * tree-ssa-ifcombine.cc: ...here. * tree-ssa-live.c: Moved to... * tree-ssa-live.cc: ...here. * tree-ssa-loop-ch.c: Moved to... * tree-ssa-loop-ch.cc: ...here. * tree-ssa-loop-im.c: Moved to... * tree-ssa-loop-im.cc: ...here. * tree-ssa-loop-ivcanon.c: Moved to... * tree-ssa-loop-ivcanon.cc: ...here. * tree-ssa-loop-ivopts.c: Moved to... * tree-ssa-loop-ivopts.cc: ...here. * tree-ssa-loop-manip.c: Moved to... * tree-ssa-loop-manip.cc: ...here. * tree-ssa-loop-niter.c: Moved to... * tree-ssa-loop-niter.cc: ...here. * tree-ssa-loop-prefetch.c: Moved to... * tree-ssa-loop-prefetch.cc: ...here. * tree-ssa-loop-split.c: Moved to... * tree-ssa-loop-split.cc: ...here. * tree-ssa-loop-unswitch.c: Moved to... * tree-ssa-loop-unswitch.cc: ...here. * tree-ssa-loop.c: Moved to... * tree-ssa-loop.cc: ...here. * tree-ssa-math-opts.c: Moved to... * tree-ssa-math-opts.cc: ...here. * tree-ssa-operands.c: Moved to... * tree-ssa-operands.cc: ...here. * tree-ssa-phiopt.c: Moved to... * tree-ssa-phiopt.cc: ...here. * tree-ssa-phiprop.c: Moved to... * tree-ssa-phiprop.cc: ...here. * tree-ssa-pre.c: Moved to... * tree-ssa-pre.cc: ...here. * tree-ssa-propagate.c: Moved to... * tree-ssa-propagate.cc: ...here. * tree-ssa-reassoc.c: Moved to... * tree-ssa-reassoc.cc: ...here. * tree-ssa-sccvn.c: Moved to... * tree-ssa-sccvn.cc: ...here. * tree-ssa-scopedtables.c: Moved to... * tree-ssa-scopedtables.cc: ...here. * tree-ssa-sink.c: Moved to... * tree-ssa-sink.cc: ...here. * tree-ssa-strlen.c: Moved to... * tree-ssa-strlen.cc: ...here. * tree-ssa-structalias.c: Moved to... * tree-ssa-structalias.cc: ...here. * tree-ssa-tail-merge.c: Moved to... * tree-ssa-tail-merge.cc: ...here. * tree-ssa-ter.c: Moved to... * tree-ssa-ter.cc: ...here. * tree-ssa-threadbackward.c: Moved to... * tree-ssa-threadbackward.cc: ...here. * tree-ssa-threadedge.c: Moved to... * tree-ssa-threadedge.cc: ...here. * tree-ssa-threadupdate.c: Moved to... * tree-ssa-threadupdate.cc: ...here. * tree-ssa-uncprop.c: Moved to... * tree-ssa-uncprop.cc: ...here. * tree-ssa-uninit.c: Moved to... * tree-ssa-uninit.cc: ...here. * tree-ssa.c: Moved to... * tree-ssa.cc: ...here. * tree-ssanames.c: Moved to... * tree-ssanames.cc: ...here. * tree-stdarg.c: Moved to... * tree-stdarg.cc: ...here. * tree-streamer-in.c: Moved to... * tree-streamer-in.cc: ...here. * tree-streamer-out.c: Moved to... * tree-streamer-out.cc: ...here. * tree-streamer.c: Moved to... * tree-streamer.cc: ...here. * tree-switch-conversion.c: Moved to... * tree-switch-conversion.cc: ...here. * tree-tailcall.c: Moved to... * tree-tailcall.cc: ...here. * tree-vect-data-refs.c: Moved to... * tree-vect-data-refs.cc: ...here. * tree-vect-generic.c: Moved to... * tree-vect-generic.cc: ...here. * tree-vect-loop-manip.c: Moved to... * tree-vect-loop-manip.cc: ...here. * tree-vect-loop.c: Moved to... * tree-vect-loop.cc: ...here. * tree-vect-patterns.c: Moved to... * tree-vect-patterns.cc: ...here. * tree-vect-slp-patterns.c: Moved to... * tree-vect-slp-patterns.cc: ...here. * tree-vect-slp.c: Moved to... * tree-vect-slp.cc: ...here. * tree-vect-stmts.c: Moved to... * tree-vect-stmts.cc: ...here. * tree-vector-builder.c: Moved to... * tree-vector-builder.cc: ...here. * tree-vectorizer.c: Moved to... * tree-vectorizer.cc: ...here. * tree-vrp.c: Moved to... * tree-vrp.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * tsan.c: Moved to... * tsan.cc: ...here. * typed-splay-tree.c: Moved to... * typed-splay-tree.cc: ...here. * ubsan.c: Moved to... * ubsan.cc: ...here. * valtrack.c: Moved to... * valtrack.cc: ...here. * value-prof.c: Moved to... * value-prof.cc: ...here. * var-tracking.c: Moved to... * var-tracking.cc: ...here. * varasm.c: Moved to... * varasm.cc: ...here. * varpool.c: Moved to... * varpool.cc: ...here. * vec-perm-indices.c: Moved to... * vec-perm-indices.cc: ...here. * vec.c: Moved to... * vec.cc: ...here. * vmsdbgout.c: Moved to... * vmsdbgout.cc: ...here. * vr-values.c: Moved to... * vr-values.cc: ...here. * vtable-verify.c: Moved to... * vtable-verify.cc: ...here. * web.c: Moved to... * web.cc: ...here. * xcoffout.c: Moved to... * xcoffout.cc: ...here. gcc/c-family/ChangeLog: * c-ada-spec.c: Moved to... * c-ada-spec.cc: ...here. * c-attribs.c: Moved to... * c-attribs.cc: ...here. * c-common.c: Moved to... * c-common.cc: ...here. * c-cppbuiltin.c: Moved to... * c-cppbuiltin.cc: ...here. * c-dump.c: Moved to... * c-dump.cc: ...here. * c-format.c: Moved to... * c-format.cc: ...here. * c-gimplify.c: Moved to... * c-gimplify.cc: ...here. * c-indentation.c: Moved to... * c-indentation.cc: ...here. * c-lex.c: Moved to... * c-lex.cc: ...here. * c-omp.c: Moved to... * c-omp.cc: ...here. * c-opts.c: Moved to... * c-opts.cc: ...here. * c-pch.c: Moved to... * c-pch.cc: ...here. * c-ppoutput.c: Moved to... * c-ppoutput.cc: ...here. * c-pragma.c: Moved to... * c-pragma.cc: ...here. * c-pretty-print.c: Moved to... * c-pretty-print.cc: ...here. * c-semantics.c: Moved to... * c-semantics.cc: ...here. * c-ubsan.c: Moved to... * c-ubsan.cc: ...here. * c-warn.c: Moved to... * c-warn.cc: ...here. * cppspec.c: Moved to... * cppspec.cc: ...here. * stub-objc.c: Moved to... * stub-objc.cc: ...here. gcc/c/ChangeLog: * c-aux-info.c: Moved to... * c-aux-info.cc: ...here. * c-convert.c: Moved to... * c-convert.cc: ...here. * c-decl.c: Moved to... * c-decl.cc: ...here. * c-errors.c: Moved to... * c-errors.cc: ...here. * c-fold.c: Moved to... * c-fold.cc: ...here. * c-lang.c: Moved to... * c-lang.cc: ...here. * c-objc-common.c: Moved to... * c-objc-common.cc: ...here. * c-parser.c: Moved to... * c-parser.cc: ...here. * c-typeck.c: Moved to... * c-typeck.cc: ...here. * gccspec.c: Moved to... * gccspec.cc: ...here. * gimple-parser.c: Moved to... * gimple-parser.cc: ...here. gcc/cp/ChangeLog: * call.c: Moved to... * call.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constexpr.c: Moved to... * constexpr.cc: ...here. * cp-gimplify.c: Moved to... * cp-gimplify.cc: ...here. * cp-lang.c: Moved to... * cp-lang.cc: ...here. * cp-objcp-common.c: Moved to... * cp-objcp-common.cc: ...here. * cp-ubsan.c: Moved to... * cp-ubsan.cc: ...here. * cvt.c: Moved to... * cvt.cc: ...here. * cxx-pretty-print.c: Moved to... * cxx-pretty-print.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * decl2.c: Moved to... * decl2.cc: ...here. * dump.c: Moved to... * dump.cc: ...here. * error.c: Moved to... * error.cc: ...here. * except.c: Moved to... * except.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * friend.c: Moved to... * friend.cc: ...here. * g++spec.c: Moved to... * g++spec.cc: ...here. * init.c: Moved to... * init.cc: ...here. * lambda.c: Moved to... * lambda.cc: ...here. * lex.c: Moved to... * lex.cc: ...here. * mangle.c: Moved to... * mangle.cc: ...here. * method.c: Moved to... * method.cc: ...here. * name-lookup.c: Moved to... * name-lookup.cc: ...here. * optimize.c: Moved to... * optimize.cc: ...here. * parser.c: Moved to... * parser.cc: ...here. * pt.c: Moved to... * pt.cc: ...here. * ptree.c: Moved to... * ptree.cc: ...here. * rtti.c: Moved to... * rtti.cc: ...here. * search.c: Moved to... * search.cc: ...here. * semantics.c: Moved to... * semantics.cc: ...here. * tree.c: Moved to... * tree.cc: ...here. * typeck.c: Moved to... * typeck.cc: ...here. * typeck2.c: Moved to... * typeck2.cc: ...here. * vtable-class-hierarchy.c: Moved to... * vtable-class-hierarchy.cc: ...here. gcc/fortran/ChangeLog: * arith.c: Moved to... * arith.cc: ...here. * array.c: Moved to... * array.cc: ...here. * bbt.c: Moved to... * bbt.cc: ...here. * check.c: Moved to... * check.cc: ...here. * class.c: Moved to... * class.cc: ...here. * constructor.c: Moved to... * constructor.cc: ...here. * convert.c: Moved to... * convert.cc: ...here. * cpp.c: Moved to... * cpp.cc: ...here. * data.c: Moved to... * data.cc: ...here. * decl.c: Moved to... * decl.cc: ...here. * dependency.c: Moved to... * dependency.cc: ...here. * dump-parse-tree.c: Moved to... * dump-parse-tree.cc: ...here. * error.c: Moved to... * error.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * f95-lang.c: Moved to... * f95-lang.cc: ...here. * frontend-passes.c: Moved to... * frontend-passes.cc: ...here. * gfortranspec.c: Moved to... * gfortranspec.cc: ...here. * interface.c: Moved to... * interface.cc: ...here. * intrinsic.c: Moved to... * intrinsic.cc: ...here. * io.c: Moved to... * io.cc: ...here. * iresolve.c: Moved to... * iresolve.cc: ...here. * match.c: Moved to... * match.cc: ...here. * matchexp.c: Moved to... * matchexp.cc: ...here. * misc.c: Moved to... * misc.cc: ...here. * module.c: Moved to... * module.cc: ...here. * openmp.c: Moved to... * openmp.cc: ...here. * options.c: Moved to... * options.cc: ...here. * parse.c: Moved to... * parse.cc: ...here. * primary.c: Moved to... * primary.cc: ...here. * resolve.c: Moved to... * resolve.cc: ...here. * scanner.c: Moved to... * scanner.cc: ...here. * simplify.c: Moved to... * simplify.cc: ...here. * st.c: Moved to... * st.cc: ...here. * symbol.c: Moved to... * symbol.cc: ...here. * target-memory.c: Moved to... * target-memory.cc: ...here. * trans-array.c: Moved to... * trans-array.cc: ...here. * trans-common.c: Moved to... * trans-common.cc: ...here. * trans-const.c: Moved to... * trans-const.cc: ...here. * trans-decl.c: Moved to... * trans-decl.cc: ...here. * trans-expr.c: Moved to... * trans-expr.cc: ...here. * trans-intrinsic.c: Moved to... * trans-intrinsic.cc: ...here. * trans-io.c: Moved to... * trans-io.cc: ...here. * trans-openmp.c: Moved to... * trans-openmp.cc: ...here. * trans-stmt.c: Moved to... * trans-stmt.cc: ...here. * trans-types.c: Moved to... * trans-types.cc: ...here. * trans.c: Moved to... * trans.cc: ...here. gcc/go/ChangeLog: * go-backend.c: Moved to... * go-backend.cc: ...here. * go-lang.c: Moved to... * go-lang.cc: ...here. * gospec.c: Moved to... * gospec.cc: ...here. gcc/jit/ChangeLog: * dummy-frontend.c: Moved to... * dummy-frontend.cc: ...here. * jit-builtins.c: Moved to... * jit-builtins.cc: ...here. * jit-logging.c: Moved to... * jit-logging.cc: ...here. * jit-playback.c: Moved to... * jit-playback.cc: ...here. * jit-recording.c: Moved to... * jit-recording.cc: ...here. * jit-result.c: Moved to... * jit-result.cc: ...here. * jit-spec.c: Moved to... * jit-spec.cc: ...here. * jit-tempdir.c: Moved to... * jit-tempdir.cc: ...here. * jit-w32.c: Moved to... * jit-w32.cc: ...here. * libgccjit.c: Moved to... * libgccjit.cc: ...here. gcc/lto/ChangeLog: * common.c: Moved to... * common.cc: ...here. * lto-common.c: Moved to... * lto-common.cc: ...here. * lto-dump.c: Moved to... * lto-dump.cc: ...here. * lto-lang.c: Moved to... * lto-lang.cc: ...here. * lto-object.c: Moved to... * lto-object.cc: ...here. * lto-partition.c: Moved to... * lto-partition.cc: ...here. * lto-symtab.c: Moved to... * lto-symtab.cc: ...here. * lto.c: Moved to... * lto.cc: ...here. gcc/objc/ChangeLog: * objc-act.c: Moved to... * objc-act.cc: ...here. * objc-encoding.c: Moved to... * objc-encoding.cc: ...here. * objc-gnu-runtime-abi-01.c: Moved to... * objc-gnu-runtime-abi-01.cc: ...here. * objc-lang.c: Moved to... * objc-lang.cc: ...here. * objc-map.c: Moved to... * objc-map.cc: ...here. * objc-next-runtime-abi-01.c: Moved to... * objc-next-runtime-abi-01.cc: ...here. * objc-next-runtime-abi-02.c: Moved to... * objc-next-runtime-abi-02.cc: ...here. * objc-runtime-shared-support.c: Moved to... * objc-runtime-shared-support.cc: ...here. gcc/objcp/ChangeLog: * objcp-decl.c: Moved to... * objcp-decl.cc: ...here. * objcp-lang.c: Moved to... * objcp-lang.cc: ...here. libcpp/ChangeLog: * charset.c: Moved to... * charset.cc: ...here. * directives.c: Moved to... * directives.cc: ...here. * errors.c: Moved to... * errors.cc: ...here. * expr.c: Moved to... * expr.cc: ...here. * files.c: Moved to... * files.cc: ...here. * identifiers.c: Moved to... * identifiers.cc: ...here. * init.c: Moved to... * init.cc: ...here. * lex.c: Moved to... * lex.cc: ...here. * line-map.c: Moved to... * line-map.cc: ...here. * macro.c: Moved to... * macro.cc: ...here. * makeucnid.c: Moved to... * makeucnid.cc: ...here. * mkdeps.c: Moved to... * mkdeps.cc: ...here. * pch.c: Moved to... * pch.cc: ...here. * symtab.c: Moved to... * symtab.cc: ...here. * traditional.c: Moved to... * traditional.cc: ...here.
Diffstat (limited to 'gcc/fortran/trans-decl.cc')
-rw-r--r--gcc/fortran/trans-decl.cc7956
1 files changed, 7956 insertions, 0 deletions
diff --git a/gcc/fortran/trans-decl.cc b/gcc/fortran/trans-decl.cc
new file mode 100644
index 0000000..08eaa5a
--- /dev/null
+++ b/gcc/fortran/trans-decl.cc
@@ -0,0 +1,7956 @@
+/* Backend function setup
+ Copyright (C) 2002-2022 Free Software Foundation, Inc.
+ Contributed by Paul Brook
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+/* trans-decl.c -- Handling of backend function and variable decls, etc */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "target.h"
+#include "function.h"
+#include "tree.h"
+#include "gfortran.h"
+#include "gimple-expr.h" /* For create_tmp_var_raw. */
+#include "trans.h"
+#include "stringpool.h"
+#include "cgraph.h"
+#include "fold-const.h"
+#include "stor-layout.h"
+#include "varasm.h"
+#include "attribs.h"
+#include "dumpfile.h"
+#include "toplev.h" /* For announce_function. */
+#include "debug.h"
+#include "constructor.h"
+#include "trans-types.h"
+#include "trans-array.h"
+#include "trans-const.h"
+/* Only for gfc_trans_code. Shouldn't need to include this. */
+#include "trans-stmt.h"
+#include "gomp-constants.h"
+#include "gimplify.h"
+#include "omp-general.h"
+#include "attr-fnspec.h"
+
+#define MAX_LABEL_VALUE 99999
+
+
+/* Holds the result of the function if no result variable specified. */
+
+static GTY(()) tree current_fake_result_decl;
+static GTY(()) tree parent_fake_result_decl;
+
+
+/* Holds the variable DECLs for the current function. */
+
+static GTY(()) tree saved_function_decls;
+static GTY(()) tree saved_parent_function_decls;
+
+/* Holds the variable DECLs that are locals. */
+
+static GTY(()) tree saved_local_decls;
+
+/* The namespace of the module we're currently generating. Only used while
+ outputting decls for module variables. Do not rely on this being set. */
+
+static gfc_namespace *module_namespace;
+
+/* The currently processed procedure symbol. */
+static gfc_symbol* current_procedure_symbol = NULL;
+
+/* The currently processed module. */
+static struct module_htab_entry *cur_module;
+
+/* With -fcoarray=lib: For generating the registering call
+ of static coarrays. */
+static bool has_coarray_vars;
+static stmtblock_t caf_init_block;
+
+
+/* List of static constructor functions. */
+
+tree gfc_static_ctors;
+
+
+/* Whether we've seen a symbol from an IEEE module in the namespace. */
+static int seen_ieee_symbol;
+
+/* Function declarations for builtin library functions. */
+
+tree gfor_fndecl_pause_numeric;
+tree gfor_fndecl_pause_string;
+tree gfor_fndecl_stop_numeric;
+tree gfor_fndecl_stop_string;
+tree gfor_fndecl_error_stop_numeric;
+tree gfor_fndecl_error_stop_string;
+tree gfor_fndecl_runtime_error;
+tree gfor_fndecl_runtime_error_at;
+tree gfor_fndecl_runtime_warning_at;
+tree gfor_fndecl_os_error_at;
+tree gfor_fndecl_generate_error;
+tree gfor_fndecl_set_args;
+tree gfor_fndecl_set_fpe;
+tree gfor_fndecl_set_options;
+tree gfor_fndecl_set_convert;
+tree gfor_fndecl_set_record_marker;
+tree gfor_fndecl_set_max_subrecord_length;
+tree gfor_fndecl_ctime;
+tree gfor_fndecl_fdate;
+tree gfor_fndecl_ttynam;
+tree gfor_fndecl_in_pack;
+tree gfor_fndecl_in_unpack;
+tree gfor_fndecl_associated;
+tree gfor_fndecl_system_clock4;
+tree gfor_fndecl_system_clock8;
+tree gfor_fndecl_ieee_procedure_entry;
+tree gfor_fndecl_ieee_procedure_exit;
+
+/* Coarray run-time library function decls. */
+tree gfor_fndecl_caf_init;
+tree gfor_fndecl_caf_finalize;
+tree gfor_fndecl_caf_this_image;
+tree gfor_fndecl_caf_num_images;
+tree gfor_fndecl_caf_register;
+tree gfor_fndecl_caf_deregister;
+tree gfor_fndecl_caf_get;
+tree gfor_fndecl_caf_send;
+tree gfor_fndecl_caf_sendget;
+tree gfor_fndecl_caf_get_by_ref;
+tree gfor_fndecl_caf_send_by_ref;
+tree gfor_fndecl_caf_sendget_by_ref;
+tree gfor_fndecl_caf_sync_all;
+tree gfor_fndecl_caf_sync_memory;
+tree gfor_fndecl_caf_sync_images;
+tree gfor_fndecl_caf_stop_str;
+tree gfor_fndecl_caf_stop_numeric;
+tree gfor_fndecl_caf_error_stop;
+tree gfor_fndecl_caf_error_stop_str;
+tree gfor_fndecl_caf_atomic_def;
+tree gfor_fndecl_caf_atomic_ref;
+tree gfor_fndecl_caf_atomic_cas;
+tree gfor_fndecl_caf_atomic_op;
+tree gfor_fndecl_caf_lock;
+tree gfor_fndecl_caf_unlock;
+tree gfor_fndecl_caf_event_post;
+tree gfor_fndecl_caf_event_wait;
+tree gfor_fndecl_caf_event_query;
+tree gfor_fndecl_caf_fail_image;
+tree gfor_fndecl_caf_failed_images;
+tree gfor_fndecl_caf_image_status;
+tree gfor_fndecl_caf_stopped_images;
+tree gfor_fndecl_caf_form_team;
+tree gfor_fndecl_caf_change_team;
+tree gfor_fndecl_caf_end_team;
+tree gfor_fndecl_caf_sync_team;
+tree gfor_fndecl_caf_get_team;
+tree gfor_fndecl_caf_team_number;
+tree gfor_fndecl_co_broadcast;
+tree gfor_fndecl_co_max;
+tree gfor_fndecl_co_min;
+tree gfor_fndecl_co_reduce;
+tree gfor_fndecl_co_sum;
+tree gfor_fndecl_caf_is_present;
+tree gfor_fndecl_caf_random_init;
+
+
+/* Math functions. Many other math functions are handled in
+ trans-intrinsic.c. */
+
+gfc_powdecl_list gfor_fndecl_math_powi[4][3];
+tree gfor_fndecl_math_ishftc4;
+tree gfor_fndecl_math_ishftc8;
+tree gfor_fndecl_math_ishftc16;
+
+
+/* String functions. */
+
+tree gfor_fndecl_compare_string;
+tree gfor_fndecl_concat_string;
+tree gfor_fndecl_string_len_trim;
+tree gfor_fndecl_string_index;
+tree gfor_fndecl_string_scan;
+tree gfor_fndecl_string_verify;
+tree gfor_fndecl_string_trim;
+tree gfor_fndecl_string_minmax;
+tree gfor_fndecl_adjustl;
+tree gfor_fndecl_adjustr;
+tree gfor_fndecl_select_string;
+tree gfor_fndecl_compare_string_char4;
+tree gfor_fndecl_concat_string_char4;
+tree gfor_fndecl_string_len_trim_char4;
+tree gfor_fndecl_string_index_char4;
+tree gfor_fndecl_string_scan_char4;
+tree gfor_fndecl_string_verify_char4;
+tree gfor_fndecl_string_trim_char4;
+tree gfor_fndecl_string_minmax_char4;
+tree gfor_fndecl_adjustl_char4;
+tree gfor_fndecl_adjustr_char4;
+tree gfor_fndecl_select_string_char4;
+
+
+/* Conversion between character kinds. */
+tree gfor_fndecl_convert_char1_to_char4;
+tree gfor_fndecl_convert_char4_to_char1;
+
+
+/* Other misc. runtime library functions. */
+tree gfor_fndecl_iargc;
+tree gfor_fndecl_kill;
+tree gfor_fndecl_kill_sub;
+tree gfor_fndecl_is_contiguous0;
+
+
+/* Intrinsic functions implemented in Fortran. */
+tree gfor_fndecl_sc_kind;
+tree gfor_fndecl_si_kind;
+tree gfor_fndecl_sr_kind;
+
+/* BLAS gemm functions. */
+tree gfor_fndecl_sgemm;
+tree gfor_fndecl_dgemm;
+tree gfor_fndecl_cgemm;
+tree gfor_fndecl_zgemm;
+
+/* RANDOM_INIT function. */
+tree gfor_fndecl_random_init; /* libgfortran, 1 image only. */
+
+static void
+gfc_add_decl_to_parent_function (tree decl)
+{
+ gcc_assert (decl);
+ DECL_CONTEXT (decl) = DECL_CONTEXT (current_function_decl);
+ DECL_NONLOCAL (decl) = 1;
+ DECL_CHAIN (decl) = saved_parent_function_decls;
+ saved_parent_function_decls = decl;
+}
+
+void
+gfc_add_decl_to_function (tree decl)
+{
+ gcc_assert (decl);
+ TREE_USED (decl) = 1;
+ DECL_CONTEXT (decl) = current_function_decl;
+ DECL_CHAIN (decl) = saved_function_decls;
+ saved_function_decls = decl;
+}
+
+static void
+add_decl_as_local (tree decl)
+{
+ gcc_assert (decl);
+ TREE_USED (decl) = 1;
+ DECL_CONTEXT (decl) = current_function_decl;
+ DECL_CHAIN (decl) = saved_local_decls;
+ saved_local_decls = decl;
+}
+
+
+/* Build a backend label declaration. Set TREE_USED for named labels.
+ The context of the label is always the current_function_decl. All
+ labels are marked artificial. */
+
+tree
+gfc_build_label_decl (tree label_id)
+{
+ /* 2^32 temporaries should be enough. */
+ static unsigned int tmp_num = 1;
+ tree label_decl;
+ char *label_name;
+
+ if (label_id == NULL_TREE)
+ {
+ /* Build an internal label name. */
+ ASM_FORMAT_PRIVATE_NAME (label_name, "L", tmp_num++);
+ label_id = get_identifier (label_name);
+ }
+ else
+ label_name = NULL;
+
+ /* Build the LABEL_DECL node. Labels have no type. */
+ label_decl = build_decl (input_location,
+ LABEL_DECL, label_id, void_type_node);
+ DECL_CONTEXT (label_decl) = current_function_decl;
+ SET_DECL_MODE (label_decl, VOIDmode);
+
+ /* We always define the label as used, even if the original source
+ file never references the label. We don't want all kinds of
+ spurious warnings for old-style Fortran code with too many
+ labels. */
+ TREE_USED (label_decl) = 1;
+
+ DECL_ARTIFICIAL (label_decl) = 1;
+ return label_decl;
+}
+
+
+/* Set the backend source location of a decl. */
+
+void
+gfc_set_decl_location (tree decl, locus * loc)
+{
+ DECL_SOURCE_LOCATION (decl) = gfc_get_location (loc);
+}
+
+
+/* Return the backend label declaration for a given label structure,
+ or create it if it doesn't exist yet. */
+
+tree
+gfc_get_label_decl (gfc_st_label * lp)
+{
+ if (lp->backend_decl)
+ return lp->backend_decl;
+ else
+ {
+ char label_name[GFC_MAX_SYMBOL_LEN + 1];
+ tree label_decl;
+
+ /* Validate the label declaration from the front end. */
+ gcc_assert (lp != NULL && lp->value <= MAX_LABEL_VALUE);
+
+ /* Build a mangled name for the label. */
+ sprintf (label_name, "__label_%.6d", lp->value);
+
+ /* Build the LABEL_DECL node. */
+ label_decl = gfc_build_label_decl (get_identifier (label_name));
+
+ /* Tell the debugger where the label came from. */
+ if (lp->value <= MAX_LABEL_VALUE) /* An internal label. */
+ gfc_set_decl_location (label_decl, &lp->where);
+ else
+ DECL_ARTIFICIAL (label_decl) = 1;
+
+ /* Store the label in the label list and return the LABEL_DECL. */
+ lp->backend_decl = label_decl;
+ return label_decl;
+ }
+}
+
+/* Return the name of an identifier. */
+
+static const char *
+sym_identifier (gfc_symbol *sym)
+{
+ if (sym->attr.is_main_program && strcmp (sym->name, "main") == 0)
+ return "MAIN__";
+ else
+ return sym->name;
+}
+
+/* Convert a gfc_symbol to an identifier of the same name. */
+
+static tree
+gfc_sym_identifier (gfc_symbol * sym)
+{
+ return get_identifier (sym_identifier (sym));
+}
+
+/* Construct mangled name from symbol name. */
+
+static const char *
+mangled_identifier (gfc_symbol *sym)
+{
+ gfc_symbol *proc = sym->ns->proc_name;
+ static char name[3*GFC_MAX_MANGLED_SYMBOL_LEN + 14];
+ /* Prevent the mangling of identifiers that have an assigned
+ binding label (mainly those that are bind(c)). */
+
+ if (sym->attr.is_bind_c == 1 && sym->binding_label)
+ return sym->binding_label;
+
+ if (!sym->fn_result_spec
+ || (sym->module && !(proc && proc->attr.flavor == FL_PROCEDURE)))
+ {
+ if (sym->module == NULL)
+ return sym_identifier (sym);
+ else
+ snprintf (name, sizeof name, "__%s_MOD_%s", sym->module, sym->name);
+ }
+ else
+ {
+ /* This is an entity that is actually local to a module procedure
+ that appears in the result specification expression. Since
+ sym->module will be a zero length string, we use ns->proc_name
+ to provide the module name instead. */
+ if (proc && proc->module)
+ snprintf (name, sizeof name, "__%s_MOD__%s_PROC_%s",
+ proc->module, proc->name, sym->name);
+ else
+ snprintf (name, sizeof name, "__%s_PROC_%s",
+ proc->name, sym->name);
+ }
+
+ return name;
+}
+
+/* Get mangled identifier, adding the symbol to the global table if
+ it is not yet already there. */
+
+static tree
+gfc_sym_mangled_identifier (gfc_symbol * sym)
+{
+ tree result;
+ gfc_gsymbol *gsym;
+ const char *name;
+
+ name = mangled_identifier (sym);
+ result = get_identifier (name);
+
+ gsym = gfc_find_gsymbol (gfc_gsym_root, name);
+ if (gsym == NULL)
+ {
+ gsym = gfc_get_gsymbol (name, false);
+ gsym->ns = sym->ns;
+ gsym->sym_name = sym->name;
+ }
+
+ return result;
+}
+
+/* Construct mangled function name from symbol name. */
+
+static tree
+gfc_sym_mangled_function_id (gfc_symbol * sym)
+{
+ int has_underscore;
+ char name[GFC_MAX_MANGLED_SYMBOL_LEN + 1];
+
+ /* It may be possible to simply use the binding label if it's
+ provided, and remove the other checks. Then we could use it
+ for other things if we wished. */
+ if ((sym->attr.is_bind_c == 1 || sym->attr.is_iso_c == 1) &&
+ sym->binding_label)
+ /* use the binding label rather than the mangled name */
+ return get_identifier (sym->binding_label);
+
+ if ((sym->module == NULL || sym->attr.proc == PROC_EXTERNAL
+ || (sym->module != NULL && (sym->attr.external
+ || sym->attr.if_source == IFSRC_IFBODY)))
+ && !sym->attr.module_procedure)
+ {
+ /* Main program is mangled into MAIN__. */
+ if (sym->attr.is_main_program)
+ return get_identifier ("MAIN__");
+
+ /* Intrinsic procedures are never mangled. */
+ if (sym->attr.proc == PROC_INTRINSIC)
+ return get_identifier (sym->name);
+
+ if (flag_underscoring)
+ {
+ has_underscore = strchr (sym->name, '_') != 0;
+ if (flag_second_underscore && has_underscore)
+ snprintf (name, sizeof name, "%s__", sym->name);
+ else
+ snprintf (name, sizeof name, "%s_", sym->name);
+ return get_identifier (name);
+ }
+ else
+ return get_identifier (sym->name);
+ }
+ else
+ {
+ snprintf (name, sizeof name, "__%s_MOD_%s", sym->module, sym->name);
+ return get_identifier (name);
+ }
+}
+
+
+void
+gfc_set_decl_assembler_name (tree decl, tree name)
+{
+ tree target_mangled = targetm.mangle_decl_assembler_name (decl, name);
+ SET_DECL_ASSEMBLER_NAME (decl, target_mangled);
+}
+
+
+/* Returns true if a variable of specified size should go on the stack. */
+
+int
+gfc_can_put_var_on_stack (tree size)
+{
+ unsigned HOST_WIDE_INT low;
+
+ if (!INTEGER_CST_P (size))
+ return 0;
+
+ if (flag_max_stack_var_size < 0)
+ return 1;
+
+ if (!tree_fits_uhwi_p (size))
+ return 0;
+
+ low = TREE_INT_CST_LOW (size);
+ if (low > (unsigned HOST_WIDE_INT) flag_max_stack_var_size)
+ return 0;
+
+/* TODO: Set a per-function stack size limit. */
+
+ return 1;
+}
+
+
+/* gfc_finish_cray_pointee sets DECL_VALUE_EXPR for a Cray pointee to
+ an expression involving its corresponding pointer. There are
+ 2 cases; one for variable size arrays, and one for everything else,
+ because variable-sized arrays require one fewer level of
+ indirection. */
+
+static void
+gfc_finish_cray_pointee (tree decl, gfc_symbol *sym)
+{
+ tree ptr_decl = gfc_get_symbol_decl (sym->cp_pointer);
+ tree value;
+
+ /* Parameters need to be dereferenced. */
+ if (sym->cp_pointer->attr.dummy)
+ ptr_decl = build_fold_indirect_ref_loc (input_location,
+ ptr_decl);
+
+ /* Check to see if we're dealing with a variable-sized array. */
+ if (sym->attr.dimension
+ && TREE_CODE (TREE_TYPE (decl)) == POINTER_TYPE)
+ {
+ /* These decls will be dereferenced later, so we don't dereference
+ them here. */
+ value = convert (TREE_TYPE (decl), ptr_decl);
+ }
+ else
+ {
+ ptr_decl = convert (build_pointer_type (TREE_TYPE (decl)),
+ ptr_decl);
+ value = build_fold_indirect_ref_loc (input_location,
+ ptr_decl);
+ }
+
+ SET_DECL_VALUE_EXPR (decl, value);
+ DECL_HAS_VALUE_EXPR_P (decl) = 1;
+ GFC_DECL_CRAY_POINTEE (decl) = 1;
+}
+
+
+/* Finish processing of a declaration without an initial value. */
+
+static void
+gfc_finish_decl (tree decl)
+{
+ gcc_assert (TREE_CODE (decl) == PARM_DECL
+ || DECL_INITIAL (decl) == NULL_TREE);
+
+ if (!VAR_P (decl))
+ return;
+
+ if (DECL_SIZE (decl) == NULL_TREE
+ && TYPE_SIZE (TREE_TYPE (decl)) != NULL_TREE)
+ layout_decl (decl, 0);
+
+ /* A few consistency checks. */
+ /* A static variable with an incomplete type is an error if it is
+ initialized. Also if it is not file scope. Otherwise, let it
+ through, but if it is not `extern' then it may cause an error
+ message later. */
+ /* An automatic variable with an incomplete type is an error. */
+
+ /* We should know the storage size. */
+ gcc_assert (DECL_SIZE (decl) != NULL_TREE
+ || (TREE_STATIC (decl)
+ ? (!DECL_INITIAL (decl) || !DECL_CONTEXT (decl))
+ : DECL_EXTERNAL (decl)));
+
+ /* The storage size should be constant. */
+ gcc_assert ((!DECL_EXTERNAL (decl) && !TREE_STATIC (decl))
+ || !DECL_SIZE (decl)
+ || TREE_CODE (DECL_SIZE (decl)) == INTEGER_CST);
+}
+
+
+/* Handle setting of GFC_DECL_SCALAR* on DECL. */
+
+void
+gfc_finish_decl_attrs (tree decl, symbol_attribute *attr)
+{
+ if (!attr->dimension && !attr->codimension)
+ {
+ /* Handle scalar allocatable variables. */
+ if (attr->allocatable)
+ {
+ gfc_allocate_lang_decl (decl);
+ GFC_DECL_SCALAR_ALLOCATABLE (decl) = 1;
+ }
+ /* Handle scalar pointer variables. */
+ if (attr->pointer)
+ {
+ gfc_allocate_lang_decl (decl);
+ GFC_DECL_SCALAR_POINTER (decl) = 1;
+ }
+ if (attr->target)
+ {
+ gfc_allocate_lang_decl (decl);
+ GFC_DECL_SCALAR_TARGET (decl) = 1;
+ }
+ }
+}
+
+
+/* Apply symbol attributes to a variable, and add it to the function scope. */
+
+static void
+gfc_finish_var_decl (tree decl, gfc_symbol * sym)
+{
+ tree new_type;
+
+ /* Set DECL_VALUE_EXPR for Cray Pointees. */
+ if (sym->attr.cray_pointee)
+ gfc_finish_cray_pointee (decl, sym);
+
+ /* TREE_ADDRESSABLE means the address of this variable is actually needed.
+ This is the equivalent of the TARGET variables.
+ We also need to set this if the variable is passed by reference in a
+ CALL statement. */
+ if (sym->attr.target)
+ TREE_ADDRESSABLE (decl) = 1;
+
+ /* If it wasn't used we wouldn't be getting it. */
+ TREE_USED (decl) = 1;
+
+ if (sym->attr.flavor == FL_PARAMETER
+ && (sym->attr.dimension || sym->ts.type == BT_DERIVED))
+ TREE_READONLY (decl) = 1;
+
+ /* Chain this decl to the pending declarations. Don't do pushdecl()
+ because this would add them to the current scope rather than the
+ function scope. */
+ if (current_function_decl != NULL_TREE)
+ {
+ if (sym->ns->proc_name
+ && (sym->ns->proc_name->backend_decl == current_function_decl
+ || sym->result == sym))
+ gfc_add_decl_to_function (decl);
+ else if (sym->ns->proc_name
+ && sym->ns->proc_name->attr.flavor == FL_LABEL)
+ /* This is a BLOCK construct. */
+ add_decl_as_local (decl);
+ else
+ gfc_add_decl_to_parent_function (decl);
+ }
+
+ if (sym->attr.cray_pointee)
+ return;
+
+ if(sym->attr.is_bind_c == 1 && sym->binding_label)
+ {
+ /* We need to put variables that are bind(c) into the common
+ segment of the object file, because this is what C would do.
+ gfortran would typically put them in either the BSS or
+ initialized data segments, and only mark them as common if
+ they were part of common blocks. However, if they are not put
+ into common space, then C cannot initialize global Fortran
+ variables that it interoperates with and the draft says that
+ either Fortran or C should be able to initialize it (but not
+ both, of course.) (J3/04-007, section 15.3). */
+ TREE_PUBLIC(decl) = 1;
+ DECL_COMMON(decl) = 1;
+ if (sym->attr.access == ACCESS_PRIVATE && !sym->attr.public_used)
+ {
+ DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
+ DECL_VISIBILITY_SPECIFIED (decl) = true;
+ }
+ }
+
+ /* If a variable is USE associated, it's always external. */
+ if (sym->attr.use_assoc || sym->attr.used_in_submodule)
+ {
+ DECL_EXTERNAL (decl) = 1;
+ TREE_PUBLIC (decl) = 1;
+ }
+ else if (sym->fn_result_spec && !sym->ns->proc_name->module)
+ {
+
+ if (sym->ns->proc_name->attr.if_source != IFSRC_DECL)
+ DECL_EXTERNAL (decl) = 1;
+ else
+ TREE_STATIC (decl) = 1;
+
+ TREE_PUBLIC (decl) = 1;
+ }
+ else if (sym->module && !sym->attr.result && !sym->attr.dummy)
+ {
+ /* TODO: Don't set sym->module for result or dummy variables. */
+ gcc_assert (current_function_decl == NULL_TREE || sym->result == sym);
+
+ TREE_PUBLIC (decl) = 1;
+ TREE_STATIC (decl) = 1;
+ if (sym->attr.access == ACCESS_PRIVATE && !sym->attr.public_used)
+ {
+ DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
+ DECL_VISIBILITY_SPECIFIED (decl) = true;
+ }
+ }
+
+ /* Derived types are a bit peculiar because of the possibility of
+ a default initializer; this must be applied each time the variable
+ comes into scope it therefore need not be static. These variables
+ are SAVE_NONE but have an initializer. Otherwise explicitly
+ initialized variables are SAVE_IMPLICIT and explicitly saved are
+ SAVE_EXPLICIT. */
+ if (!sym->attr.use_assoc
+ && (sym->attr.save != SAVE_NONE || sym->attr.data
+ || (sym->value && sym->ns->proc_name->attr.is_main_program)
+ || (flag_coarray == GFC_FCOARRAY_LIB
+ && sym->attr.codimension && !sym->attr.allocatable)))
+ TREE_STATIC (decl) = 1;
+
+ /* If derived-type variables with DTIO procedures are not made static
+ some bits of code referencing them get optimized away.
+ TODO Understand why this is so and fix it. */
+ if (!sym->attr.use_assoc
+ && ((sym->ts.type == BT_DERIVED
+ && sym->ts.u.derived->attr.has_dtio_procs)
+ || (sym->ts.type == BT_CLASS
+ && CLASS_DATA (sym)->ts.u.derived->attr.has_dtio_procs)))
+ TREE_STATIC (decl) = 1;
+
+ /* Treat asynchronous variables the same as volatile, for now. */
+ if (sym->attr.volatile_ || sym->attr.asynchronous)
+ {
+ TREE_THIS_VOLATILE (decl) = 1;
+ TREE_SIDE_EFFECTS (decl) = 1;
+ new_type = build_qualified_type (TREE_TYPE (decl), TYPE_QUAL_VOLATILE);
+ TREE_TYPE (decl) = new_type;
+ }
+
+ /* Keep variables larger than max-stack-var-size off stack. */
+ if (!(sym->ns->proc_name && sym->ns->proc_name->attr.recursive)
+ && !sym->attr.automatic
+ && sym->attr.save != SAVE_EXPLICIT
+ && sym->attr.save != SAVE_IMPLICIT
+ && INTEGER_CST_P (DECL_SIZE_UNIT (decl))
+ && !gfc_can_put_var_on_stack (DECL_SIZE_UNIT (decl))
+ /* Put variable length auto array pointers always into stack. */
+ && (TREE_CODE (TREE_TYPE (decl)) != POINTER_TYPE
+ || sym->attr.dimension == 0
+ || sym->as->type != AS_EXPLICIT
+ || sym->attr.pointer
+ || sym->attr.allocatable)
+ && !DECL_ARTIFICIAL (decl))
+ {
+ if (flag_max_stack_var_size > 0
+ && !(sym->ns->proc_name
+ && sym->ns->proc_name->attr.is_main_program))
+ gfc_warning (OPT_Wsurprising,
+ "Array %qs at %L is larger than limit set by "
+ "%<-fmax-stack-var-size=%>, moved from stack to static "
+ "storage. This makes the procedure unsafe when called "
+ "recursively, or concurrently from multiple threads. "
+ "Consider increasing the %<-fmax-stack-var-size=%> "
+ "limit (or use %<-frecursive%>, which implies "
+ "unlimited %<-fmax-stack-var-size%>) - or change the "
+ "code to use an ALLOCATABLE array. If the variable is "
+ "never accessed concurrently, this warning can be "
+ "ignored, and the variable could also be declared with "
+ "the SAVE attribute.",
+ sym->name, &sym->declared_at);
+
+ TREE_STATIC (decl) = 1;
+
+ /* Because the size of this variable isn't known until now, we may have
+ greedily added an initializer to this variable (in build_init_assign)
+ even though the max-stack-var-size indicates the variable should be
+ static. Therefore we rip out the automatic initializer here and
+ replace it with a static one. */
+ gfc_symtree *st = gfc_find_symtree (sym->ns->sym_root, sym->name);
+ gfc_code *prev = NULL;
+ gfc_code *code = sym->ns->code;
+ while (code && code->op == EXEC_INIT_ASSIGN)
+ {
+ /* Look for an initializer meant for this symbol. */
+ if (code->expr1->symtree == st)
+ {
+ if (prev)
+ prev->next = code->next;
+ else
+ sym->ns->code = code->next;
+
+ break;
+ }
+
+ prev = code;
+ code = code->next;
+ }
+ if (code && code->op == EXEC_INIT_ASSIGN)
+ {
+ /* Keep the init expression for a static initializer. */
+ sym->value = code->expr2;
+ /* Cleanup the defunct code object, without freeing the init expr. */
+ code->expr2 = NULL;
+ gfc_free_statement (code);
+ free (code);
+ }
+ }
+
+ /* Handle threadprivate variables. */
+ if (sym->attr.threadprivate
+ && (TREE_STATIC (decl) || DECL_EXTERNAL (decl)))
+ set_decl_tls_model (decl, decl_default_tls_model (decl));
+
+ gfc_finish_decl_attrs (decl, &sym->attr);
+}
+
+
+/* Allocate the lang-specific part of a decl. */
+
+void
+gfc_allocate_lang_decl (tree decl)
+{
+ if (DECL_LANG_SPECIFIC (decl) == NULL)
+ DECL_LANG_SPECIFIC (decl) = ggc_cleared_alloc<struct lang_decl> ();
+}
+
+/* Remember a symbol to generate initialization/cleanup code at function
+ entry/exit. */
+
+static void
+gfc_defer_symbol_init (gfc_symbol * sym)
+{
+ gfc_symbol *p;
+ gfc_symbol *last;
+ gfc_symbol *head;
+
+ /* Don't add a symbol twice. */
+ if (sym->tlink)
+ return;
+
+ last = head = sym->ns->proc_name;
+ p = last->tlink;
+
+ /* Make sure that setup code for dummy variables which are used in the
+ setup of other variables is generated first. */
+ if (sym->attr.dummy)
+ {
+ /* Find the first dummy arg seen after us, or the first non-dummy arg.
+ This is a circular list, so don't go past the head. */
+ while (p != head
+ && (!p->attr.dummy || p->dummy_order > sym->dummy_order))
+ {
+ last = p;
+ p = p->tlink;
+ }
+ }
+ /* Insert in between last and p. */
+ last->tlink = sym;
+ sym->tlink = p;
+}
+
+
+/* Used in gfc_get_symbol_decl and gfc_get_derived_type to obtain the
+ backend_decl for a module symbol, if it all ready exists. If the
+ module gsymbol does not exist, it is created. If the symbol does
+ not exist, it is added to the gsymbol namespace. Returns true if
+ an existing backend_decl is found. */
+
+bool
+gfc_get_module_backend_decl (gfc_symbol *sym)
+{
+ gfc_gsymbol *gsym;
+ gfc_symbol *s;
+ gfc_symtree *st;
+
+ gsym = gfc_find_gsymbol (gfc_gsym_root, sym->module);
+
+ if (!gsym || (gsym->ns && gsym->type == GSYM_MODULE))
+ {
+ st = NULL;
+ s = NULL;
+
+ /* Check for a symbol with the same name. */
+ if (gsym)
+ gfc_find_symbol (sym->name, gsym->ns, 0, &s);
+
+ if (!s)
+ {
+ if (!gsym)
+ {
+ gsym = gfc_get_gsymbol (sym->module, false);
+ gsym->type = GSYM_MODULE;
+ gsym->ns = gfc_get_namespace (NULL, 0);
+ }
+
+ st = gfc_new_symtree (&gsym->ns->sym_root, sym->name);
+ st->n.sym = sym;
+ sym->refs++;
+ }
+ else if (gfc_fl_struct (sym->attr.flavor))
+ {
+ if (s && s->attr.flavor == FL_PROCEDURE)
+ {
+ gfc_interface *intr;
+ gcc_assert (s->attr.generic);
+ for (intr = s->generic; intr; intr = intr->next)
+ if (gfc_fl_struct (intr->sym->attr.flavor))
+ {
+ s = intr->sym;
+ break;
+ }
+ }
+
+ /* Normally we can assume that s is a derived-type symbol since it
+ shares a name with the derived-type sym. However if sym is a
+ STRUCTURE, it may in fact share a name with any other basic type
+ variable. If s is in fact of derived type then we can continue
+ looking for a duplicate type declaration. */
+ if (sym->attr.flavor == FL_STRUCT && s->ts.type == BT_DERIVED)
+ {
+ s = s->ts.u.derived;
+ }
+
+ if (gfc_fl_struct (s->attr.flavor) && !s->backend_decl)
+ {
+ if (s->attr.flavor == FL_UNION)
+ s->backend_decl = gfc_get_union_type (s);
+ else
+ s->backend_decl = gfc_get_derived_type (s);
+ }
+ gfc_copy_dt_decls_ifequal (s, sym, true);
+ return true;
+ }
+ else if (s->backend_decl)
+ {
+ if (sym->ts.type == BT_DERIVED || sym->ts.type == BT_CLASS)
+ gfc_copy_dt_decls_ifequal (s->ts.u.derived, sym->ts.u.derived,
+ true);
+ else if (sym->ts.type == BT_CHARACTER)
+ sym->ts.u.cl->backend_decl = s->ts.u.cl->backend_decl;
+ sym->backend_decl = s->backend_decl;
+ return true;
+ }
+ }
+ return false;
+}
+
+
+/* Create an array index type variable with function scope. */
+
+static tree
+create_index_var (const char * pfx, int nest)
+{
+ tree decl;
+
+ decl = gfc_create_var_np (gfc_array_index_type, pfx);
+ if (nest)
+ gfc_add_decl_to_parent_function (decl);
+ else
+ gfc_add_decl_to_function (decl);
+ return decl;
+}
+
+
+/* Create variables to hold all the non-constant bits of info for a
+ descriptorless array. Remember these in the lang-specific part of the
+ type. */
+
+static void
+gfc_build_qualified_array (tree decl, gfc_symbol * sym)
+{
+ tree type;
+ int dim;
+ int nest;
+ gfc_namespace* procns;
+ symbol_attribute *array_attr;
+ gfc_array_spec *as;
+ bool is_classarray = IS_CLASS_ARRAY (sym);
+
+ type = TREE_TYPE (decl);
+ array_attr = is_classarray ? &CLASS_DATA (sym)->attr : &sym->attr;
+ as = is_classarray ? CLASS_DATA (sym)->as : sym->as;
+
+ /* We just use the descriptor, if there is one. */
+ if (GFC_DESCRIPTOR_TYPE_P (type))
+ return;
+
+ gcc_assert (GFC_ARRAY_TYPE_P (type));
+ procns = gfc_find_proc_namespace (sym->ns);
+ nest = (procns->proc_name->backend_decl != current_function_decl)
+ && !sym->attr.contained;
+
+ if (array_attr->codimension && flag_coarray == GFC_FCOARRAY_LIB
+ && as->type != AS_ASSUMED_SHAPE
+ && GFC_TYPE_ARRAY_CAF_TOKEN (type) == NULL_TREE)
+ {
+ tree token;
+ tree token_type = build_qualified_type (pvoid_type_node,
+ TYPE_QUAL_RESTRICT);
+
+ if (sym->module && (sym->attr.use_assoc
+ || sym->ns->proc_name->attr.flavor == FL_MODULE))
+ {
+ tree token_name
+ = get_identifier (gfc_get_string (GFC_PREFIX ("caf_token%s"),
+ IDENTIFIER_POINTER (gfc_sym_mangled_identifier (sym))));
+ token = build_decl (DECL_SOURCE_LOCATION (decl), VAR_DECL, token_name,
+ token_type);
+ if (sym->attr.use_assoc)
+ DECL_EXTERNAL (token) = 1;
+ else
+ TREE_STATIC (token) = 1;
+
+ TREE_PUBLIC (token) = 1;
+
+ if (sym->attr.access == ACCESS_PRIVATE && !sym->attr.public_used)
+ {
+ DECL_VISIBILITY (token) = VISIBILITY_HIDDEN;
+ DECL_VISIBILITY_SPECIFIED (token) = true;
+ }
+ }
+ else
+ {
+ token = gfc_create_var_np (token_type, "caf_token");
+ TREE_STATIC (token) = 1;
+ }
+
+ GFC_TYPE_ARRAY_CAF_TOKEN (type) = token;
+ DECL_ARTIFICIAL (token) = 1;
+ DECL_NONALIASED (token) = 1;
+
+ if (sym->module && !sym->attr.use_assoc)
+ {
+ pushdecl (token);
+ DECL_CONTEXT (token) = sym->ns->proc_name->backend_decl;
+ gfc_module_add_decl (cur_module, token);
+ }
+ else if (sym->attr.host_assoc
+ && TREE_CODE (DECL_CONTEXT (current_function_decl))
+ != TRANSLATION_UNIT_DECL)
+ gfc_add_decl_to_parent_function (token);
+ else
+ gfc_add_decl_to_function (token);
+ }
+
+ for (dim = 0; dim < GFC_TYPE_ARRAY_RANK (type); dim++)
+ {
+ if (GFC_TYPE_ARRAY_LBOUND (type, dim) == NULL_TREE)
+ {
+ GFC_TYPE_ARRAY_LBOUND (type, dim) = create_index_var ("lbound", nest);
+ suppress_warning (GFC_TYPE_ARRAY_LBOUND (type, dim));
+ }
+ /* Don't try to use the unknown bound for assumed shape arrays. */
+ if (GFC_TYPE_ARRAY_UBOUND (type, dim) == NULL_TREE
+ && (as->type != AS_ASSUMED_SIZE
+ || dim < GFC_TYPE_ARRAY_RANK (type) - 1))
+ {
+ GFC_TYPE_ARRAY_UBOUND (type, dim) = create_index_var ("ubound", nest);
+ suppress_warning (GFC_TYPE_ARRAY_UBOUND (type, dim));
+ }
+
+ if (GFC_TYPE_ARRAY_STRIDE (type, dim) == NULL_TREE)
+ {
+ GFC_TYPE_ARRAY_STRIDE (type, dim) = create_index_var ("stride", nest);
+ suppress_warning (GFC_TYPE_ARRAY_STRIDE (type, dim));
+ }
+ }
+ for (dim = GFC_TYPE_ARRAY_RANK (type);
+ dim < GFC_TYPE_ARRAY_RANK (type) + GFC_TYPE_ARRAY_CORANK (type); dim++)
+ {
+ if (GFC_TYPE_ARRAY_LBOUND (type, dim) == NULL_TREE)
+ {
+ GFC_TYPE_ARRAY_LBOUND (type, dim) = create_index_var ("lbound", nest);
+ suppress_warning (GFC_TYPE_ARRAY_LBOUND (type, dim));
+ }
+ /* Don't try to use the unknown ubound for the last coarray dimension. */
+ if (GFC_TYPE_ARRAY_UBOUND (type, dim) == NULL_TREE
+ && dim < GFC_TYPE_ARRAY_RANK (type) + GFC_TYPE_ARRAY_CORANK (type) - 1)
+ {
+ GFC_TYPE_ARRAY_UBOUND (type, dim) = create_index_var ("ubound", nest);
+ suppress_warning (GFC_TYPE_ARRAY_UBOUND (type, dim));
+ }
+ }
+ if (GFC_TYPE_ARRAY_OFFSET (type) == NULL_TREE)
+ {
+ GFC_TYPE_ARRAY_OFFSET (type) = gfc_create_var_np (gfc_array_index_type,
+ "offset");
+ suppress_warning (GFC_TYPE_ARRAY_OFFSET (type));
+
+ if (nest)
+ gfc_add_decl_to_parent_function (GFC_TYPE_ARRAY_OFFSET (type));
+ else
+ gfc_add_decl_to_function (GFC_TYPE_ARRAY_OFFSET (type));
+ }
+
+ if (GFC_TYPE_ARRAY_SIZE (type) == NULL_TREE
+ && as->type != AS_ASSUMED_SIZE)
+ {
+ GFC_TYPE_ARRAY_SIZE (type) = create_index_var ("size", nest);
+ suppress_warning (GFC_TYPE_ARRAY_SIZE (type));
+ }
+
+ if (POINTER_TYPE_P (type))
+ {
+ gcc_assert (GFC_ARRAY_TYPE_P (TREE_TYPE (type)));
+ gcc_assert (TYPE_LANG_SPECIFIC (type)
+ == TYPE_LANG_SPECIFIC (TREE_TYPE (type)));
+ type = TREE_TYPE (type);
+ }
+
+ if (! COMPLETE_TYPE_P (type) && GFC_TYPE_ARRAY_SIZE (type))
+ {
+ tree size, range;
+
+ size = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
+ GFC_TYPE_ARRAY_SIZE (type), gfc_index_one_node);
+ range = build_range_type (gfc_array_index_type, gfc_index_zero_node,
+ size);
+ TYPE_DOMAIN (type) = range;
+ layout_type (type);
+ }
+
+ if (TYPE_NAME (type) != NULL_TREE && as->rank > 0
+ && GFC_TYPE_ARRAY_UBOUND (type, as->rank - 1) != NULL_TREE
+ && VAR_P (GFC_TYPE_ARRAY_UBOUND (type, as->rank - 1)))
+ {
+ tree gtype = DECL_ORIGINAL_TYPE (TYPE_NAME (type));
+
+ for (dim = 0; dim < as->rank - 1; dim++)
+ {
+ gcc_assert (TREE_CODE (gtype) == ARRAY_TYPE);
+ gtype = TREE_TYPE (gtype);
+ }
+ gcc_assert (TREE_CODE (gtype) == ARRAY_TYPE);
+ if (TYPE_MAX_VALUE (TYPE_DOMAIN (gtype)) == NULL)
+ TYPE_NAME (type) = NULL_TREE;
+ }
+
+ if (TYPE_NAME (type) == NULL_TREE)
+ {
+ tree gtype = TREE_TYPE (type), rtype, type_decl;
+
+ for (dim = as->rank - 1; dim >= 0; dim--)
+ {
+ tree lbound, ubound;
+ lbound = GFC_TYPE_ARRAY_LBOUND (type, dim);
+ ubound = GFC_TYPE_ARRAY_UBOUND (type, dim);
+ rtype = build_range_type (gfc_array_index_type, lbound, ubound);
+ gtype = build_array_type (gtype, rtype);
+ /* Ensure the bound variables aren't optimized out at -O0.
+ For -O1 and above they often will be optimized out, but
+ can be tracked by VTA. Also set DECL_NAMELESS, so that
+ the artificial lbound.N or ubound.N DECL_NAME doesn't
+ end up in debug info. */
+ if (lbound
+ && VAR_P (lbound)
+ && DECL_ARTIFICIAL (lbound)
+ && DECL_IGNORED_P (lbound))
+ {
+ if (DECL_NAME (lbound)
+ && strstr (IDENTIFIER_POINTER (DECL_NAME (lbound)),
+ "lbound") != 0)
+ DECL_NAMELESS (lbound) = 1;
+ DECL_IGNORED_P (lbound) = 0;
+ }
+ if (ubound
+ && VAR_P (ubound)
+ && DECL_ARTIFICIAL (ubound)
+ && DECL_IGNORED_P (ubound))
+ {
+ if (DECL_NAME (ubound)
+ && strstr (IDENTIFIER_POINTER (DECL_NAME (ubound)),
+ "ubound") != 0)
+ DECL_NAMELESS (ubound) = 1;
+ DECL_IGNORED_P (ubound) = 0;
+ }
+ }
+ TYPE_NAME (type) = type_decl = build_decl (input_location,
+ TYPE_DECL, NULL, gtype);
+ DECL_ORIGINAL_TYPE (type_decl) = gtype;
+ }
+}
+
+
+/* For some dummy arguments we don't use the actual argument directly.
+ Instead we create a local decl and use that. This allows us to perform
+ initialization, and construct full type information. */
+
+static tree
+gfc_build_dummy_array_decl (gfc_symbol * sym, tree dummy)
+{
+ tree decl;
+ tree type;
+ gfc_array_spec *as;
+ symbol_attribute *array_attr;
+ char *name;
+ gfc_packed packed;
+ int n;
+ bool known_size;
+ bool is_classarray = IS_CLASS_ARRAY (sym);
+
+ /* Use the array as and attr. */
+ as = is_classarray ? CLASS_DATA (sym)->as : sym->as;
+ array_attr = is_classarray ? &CLASS_DATA (sym)->attr : &sym->attr;
+
+ /* The dummy is returned for pointer, allocatable or assumed rank arrays.
+ For class arrays the information if sym is an allocatable or pointer
+ object needs to be checked explicitly (IS_CLASS_ARRAY can be false for
+ too many reasons to be of use here). */
+ if ((sym->ts.type != BT_CLASS && sym->attr.pointer)
+ || (sym->ts.type == BT_CLASS && CLASS_DATA (sym)->attr.class_pointer)
+ || array_attr->allocatable
+ || (as && as->type == AS_ASSUMED_RANK))
+ return dummy;
+
+ /* Add to list of variables if not a fake result variable.
+ These symbols are set on the symbol only, not on the class component. */
+ if (sym->attr.result || sym->attr.dummy)
+ gfc_defer_symbol_init (sym);
+
+ /* For a class array the array descriptor is in the _data component, while
+ for a regular array the TREE_TYPE of the dummy is a pointer to the
+ descriptor. */
+ type = TREE_TYPE (is_classarray ? gfc_class_data_get (dummy)
+ : TREE_TYPE (dummy));
+ /* type now is the array descriptor w/o any indirection. */
+ gcc_assert (TREE_CODE (dummy) == PARM_DECL
+ && POINTER_TYPE_P (TREE_TYPE (dummy)));
+
+ /* Do we know the element size? */
+ known_size = sym->ts.type != BT_CHARACTER
+ || INTEGER_CST_P (sym->ts.u.cl->backend_decl);
+
+ if (known_size && !GFC_DESCRIPTOR_TYPE_P (type))
+ {
+ /* For descriptorless arrays with known element size the actual
+ argument is sufficient. */
+ gfc_build_qualified_array (dummy, sym);
+ return dummy;
+ }
+
+ if (GFC_DESCRIPTOR_TYPE_P (type))
+ {
+ /* Create a descriptorless array pointer. */
+ packed = PACKED_NO;
+
+ /* Even when -frepack-arrays is used, symbols with TARGET attribute
+ are not repacked. */
+ if (!flag_repack_arrays || sym->attr.target)
+ {
+ if (as->type == AS_ASSUMED_SIZE)
+ packed = PACKED_FULL;
+ }
+ else
+ {
+ if (as->type == AS_EXPLICIT)
+ {
+ packed = PACKED_FULL;
+ for (n = 0; n < as->rank; n++)
+ {
+ if (!(as->upper[n]
+ && as->lower[n]
+ && as->upper[n]->expr_type == EXPR_CONSTANT
+ && as->lower[n]->expr_type == EXPR_CONSTANT))
+ {
+ packed = PACKED_PARTIAL;
+ break;
+ }
+ }
+ }
+ else
+ packed = PACKED_PARTIAL;
+ }
+
+ /* For classarrays the element type is required, but
+ gfc_typenode_for_spec () returns the array descriptor. */
+ type = is_classarray ? gfc_get_element_type (type)
+ : gfc_typenode_for_spec (&sym->ts);
+ type = gfc_get_nodesc_array_type (type, as, packed,
+ !sym->attr.target);
+ }
+ else
+ {
+ /* We now have an expression for the element size, so create a fully
+ qualified type. Reset sym->backend decl or this will just return the
+ old type. */
+ DECL_ARTIFICIAL (sym->backend_decl) = 1;
+ sym->backend_decl = NULL_TREE;
+ type = gfc_sym_type (sym);
+ packed = PACKED_FULL;
+ }
+
+ ASM_FORMAT_PRIVATE_NAME (name, IDENTIFIER_POINTER (DECL_NAME (dummy)), 0);
+ decl = build_decl (input_location,
+ VAR_DECL, get_identifier (name), type);
+
+ DECL_ARTIFICIAL (decl) = 1;
+ DECL_NAMELESS (decl) = 1;
+ TREE_PUBLIC (decl) = 0;
+ TREE_STATIC (decl) = 0;
+ DECL_EXTERNAL (decl) = 0;
+
+ /* Avoid uninitialized warnings for optional dummy arguments. */
+ if ((sym->ts.type == BT_CLASS && CLASS_DATA (sym)->attr.optional)
+ || sym->attr.optional)
+ suppress_warning (decl);
+
+ /* We should never get deferred shape arrays here. We used to because of
+ frontend bugs. */
+ gcc_assert (as->type != AS_DEFERRED);
+
+ if (packed == PACKED_PARTIAL)
+ GFC_DECL_PARTIAL_PACKED_ARRAY (decl) = 1;
+ else if (packed == PACKED_FULL)
+ GFC_DECL_PACKED_ARRAY (decl) = 1;
+
+ gfc_build_qualified_array (decl, sym);
+
+ if (DECL_LANG_SPECIFIC (dummy))
+ DECL_LANG_SPECIFIC (decl) = DECL_LANG_SPECIFIC (dummy);
+ else
+ gfc_allocate_lang_decl (decl);
+
+ GFC_DECL_SAVED_DESCRIPTOR (decl) = dummy;
+
+ if (sym->ns->proc_name->backend_decl == current_function_decl
+ || sym->attr.contained)
+ gfc_add_decl_to_function (decl);
+ else
+ gfc_add_decl_to_parent_function (decl);
+
+ return decl;
+}
+
+/* Return a constant or a variable to use as a string length. Does not
+ add the decl to the current scope. */
+
+static tree
+gfc_create_string_length (gfc_symbol * sym)
+{
+ gcc_assert (sym->ts.u.cl);
+ gfc_conv_const_charlen (sym->ts.u.cl);
+
+ if (sym->ts.u.cl->backend_decl == NULL_TREE)
+ {
+ tree length;
+ const char *name;
+
+ /* The string length variable shall be in static memory if it is either
+ explicitly SAVED, a module variable or with -fno-automatic. Only
+ relevant is "len=:" - otherwise, it is either a constant length or
+ it is an automatic variable. */
+ bool static_length = sym->attr.save
+ || sym->ns->proc_name->attr.flavor == FL_MODULE
+ || (flag_max_stack_var_size == 0
+ && sym->ts.deferred && !sym->attr.dummy
+ && !sym->attr.result && !sym->attr.function);
+
+ /* Also prefix the mangled name. We need to call GFC_PREFIX for static
+ variables as some systems do not support the "." in the assembler name.
+ For nonstatic variables, the "." does not appear in assembler. */
+ if (static_length)
+ {
+ if (sym->module)
+ name = gfc_get_string (GFC_PREFIX ("%s_MOD_%s"), sym->module,
+ sym->name);
+ else
+ name = gfc_get_string (GFC_PREFIX ("%s"), sym->name);
+ }
+ else if (sym->module)
+ name = gfc_get_string (".__%s_MOD_%s", sym->module, sym->name);
+ else
+ name = gfc_get_string (".%s", sym->name);
+
+ length = build_decl (input_location,
+ VAR_DECL, get_identifier (name),
+ gfc_charlen_type_node);
+ DECL_ARTIFICIAL (length) = 1;
+ TREE_USED (length) = 1;
+ if (sym->ns->proc_name->tlink != NULL)
+ gfc_defer_symbol_init (sym);
+
+ sym->ts.u.cl->backend_decl = length;
+
+ if (static_length)
+ TREE_STATIC (length) = 1;
+
+ if (sym->ns->proc_name->attr.flavor == FL_MODULE
+ && (sym->attr.access != ACCESS_PRIVATE || sym->attr.public_used))
+ TREE_PUBLIC (length) = 1;
+ }
+
+ gcc_assert (sym->ts.u.cl->backend_decl != NULL_TREE);
+ return sym->ts.u.cl->backend_decl;
+}
+
+/* If a variable is assigned a label, we add another two auxiliary
+ variables. */
+
+static void
+gfc_add_assign_aux_vars (gfc_symbol * sym)
+{
+ tree addr;
+ tree length;
+ tree decl;
+
+ gcc_assert (sym->backend_decl);
+
+ decl = sym->backend_decl;
+ gfc_allocate_lang_decl (decl);
+ GFC_DECL_ASSIGN (decl) = 1;
+ length = build_decl (input_location,
+ VAR_DECL, create_tmp_var_name (sym->name),
+ gfc_charlen_type_node);
+ addr = build_decl (input_location,
+ VAR_DECL, create_tmp_var_name (sym->name),
+ pvoid_type_node);
+ gfc_finish_var_decl (length, sym);
+ gfc_finish_var_decl (addr, sym);
+ /* STRING_LENGTH is also used as flag. Less than -1 means that
+ ASSIGN_ADDR cannot be used. Equal -1 means that ASSIGN_ADDR is the
+ target label's address. Otherwise, value is the length of a format string
+ and ASSIGN_ADDR is its address. */
+ if (TREE_STATIC (length))
+ DECL_INITIAL (length) = build_int_cst (gfc_charlen_type_node, -2);
+ else
+ gfc_defer_symbol_init (sym);
+
+ GFC_DECL_STRING_LEN (decl) = length;
+ GFC_DECL_ASSIGN_ADDR (decl) = addr;
+}
+
+
+static tree
+add_attributes_to_decl (symbol_attribute sym_attr, tree list)
+{
+ unsigned id;
+ tree attr;
+
+ for (id = 0; id < EXT_ATTR_NUM; id++)
+ if (sym_attr.ext_attr & (1 << id) && ext_attr_list[id].middle_end_name)
+ {
+ attr = build_tree_list (
+ get_identifier (ext_attr_list[id].middle_end_name),
+ NULL_TREE);
+ list = chainon (list, attr);
+ }
+
+ tree clauses = NULL_TREE;
+
+ if (sym_attr.oacc_routine_lop != OACC_ROUTINE_LOP_NONE)
+ {
+ omp_clause_code code;
+ switch (sym_attr.oacc_routine_lop)
+ {
+ case OACC_ROUTINE_LOP_GANG:
+ code = OMP_CLAUSE_GANG;
+ break;
+ case OACC_ROUTINE_LOP_WORKER:
+ code = OMP_CLAUSE_WORKER;
+ break;
+ case OACC_ROUTINE_LOP_VECTOR:
+ code = OMP_CLAUSE_VECTOR;
+ break;
+ case OACC_ROUTINE_LOP_SEQ:
+ code = OMP_CLAUSE_SEQ;
+ break;
+ case OACC_ROUTINE_LOP_NONE:
+ case OACC_ROUTINE_LOP_ERROR:
+ default:
+ gcc_unreachable ();
+ }
+ tree c = build_omp_clause (UNKNOWN_LOCATION, code);
+ OMP_CLAUSE_CHAIN (c) = clauses;
+ clauses = c;
+
+ tree dims = oacc_build_routine_dims (clauses);
+ list = oacc_replace_fn_attrib_attr (list, dims);
+ }
+
+ if (sym_attr.oacc_routine_nohost)
+ {
+ tree c = build_omp_clause (UNKNOWN_LOCATION, OMP_CLAUSE_NOHOST);
+ OMP_CLAUSE_CHAIN (c) = clauses;
+ clauses = c;
+ }
+
+ if (sym_attr.omp_device_type != OMP_DEVICE_TYPE_UNSET)
+ {
+ tree c = build_omp_clause (UNKNOWN_LOCATION, OMP_CLAUSE_DEVICE_TYPE);
+ switch (sym_attr.omp_device_type)
+ {
+ case OMP_DEVICE_TYPE_HOST:
+ OMP_CLAUSE_DEVICE_TYPE_KIND (c) = OMP_CLAUSE_DEVICE_TYPE_HOST;
+ break;
+ case OMP_DEVICE_TYPE_NOHOST:
+ OMP_CLAUSE_DEVICE_TYPE_KIND (c) = OMP_CLAUSE_DEVICE_TYPE_NOHOST;
+ break;
+ case OMP_DEVICE_TYPE_ANY:
+ OMP_CLAUSE_DEVICE_TYPE_KIND (c) = OMP_CLAUSE_DEVICE_TYPE_ANY;
+ break;
+ default:
+ gcc_unreachable ();
+ }
+ OMP_CLAUSE_CHAIN (c) = clauses;
+ clauses = c;
+ }
+
+ if (sym_attr.omp_declare_target_link
+ || sym_attr.oacc_declare_link)
+ list = tree_cons (get_identifier ("omp declare target link"),
+ clauses, list);
+ else if (sym_attr.omp_declare_target
+ || sym_attr.oacc_declare_create
+ || sym_attr.oacc_declare_copyin
+ || sym_attr.oacc_declare_deviceptr
+ || sym_attr.oacc_declare_device_resident)
+ list = tree_cons (get_identifier ("omp declare target"),
+ clauses, list);
+
+ return list;
+}
+
+
+static void build_function_decl (gfc_symbol * sym, bool global);
+
+
+/* Return the decl for a gfc_symbol, create it if it doesn't already
+ exist. */
+
+tree
+gfc_get_symbol_decl (gfc_symbol * sym)
+{
+ tree decl;
+ tree length = NULL_TREE;
+ tree attributes;
+ int byref;
+ bool intrinsic_array_parameter = false;
+ bool fun_or_res;
+
+ gcc_assert (sym->attr.referenced
+ || sym->attr.flavor == FL_PROCEDURE
+ || sym->attr.use_assoc
+ || sym->attr.used_in_submodule
+ || sym->ns->proc_name->attr.if_source == IFSRC_IFBODY
+ || (sym->module && sym->attr.if_source != IFSRC_DECL
+ && sym->backend_decl));
+
+ if (sym->attr.dummy && sym->ns->proc_name->attr.is_bind_c
+ && is_CFI_desc (sym, NULL))
+ {
+ gcc_assert (sym->backend_decl && (sym->ts.type != BT_CHARACTER
+ || sym->ts.u.cl->backend_decl));
+ return sym->backend_decl;
+ }
+
+ if (sym->ns && sym->ns->proc_name && sym->ns->proc_name->attr.function)
+ byref = gfc_return_by_reference (sym->ns->proc_name);
+ else
+ byref = 0;
+
+ /* Make sure that the vtab for the declared type is completed. */
+ if (sym->ts.type == BT_CLASS)
+ {
+ gfc_component *c = CLASS_DATA (sym);
+ if (!c->ts.u.derived->backend_decl)
+ {
+ gfc_find_derived_vtab (c->ts.u.derived);
+ gfc_get_derived_type (sym->ts.u.derived);
+ }
+ }
+
+ /* PDT parameterized array components and string_lengths must have the
+ 'len' parameters substituted for the expressions appearing in the
+ declaration of the entity and memory allocated/deallocated. */
+ if ((sym->ts.type == BT_DERIVED || sym->ts.type == BT_CLASS)
+ && sym->param_list != NULL
+ && gfc_current_ns == sym->ns
+ && !(sym->attr.use_assoc || sym->attr.dummy))
+ gfc_defer_symbol_init (sym);
+
+ /* Dummy PDT 'len' parameters should be checked when they are explicit. */
+ if ((sym->ts.type == BT_DERIVED || sym->ts.type == BT_CLASS)
+ && (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
+ && sym->param_list != NULL
+ && sym->attr.dummy)
+ gfc_defer_symbol_init (sym);
+
+ /* All deferred character length procedures need to retain the backend
+ decl, which is a pointer to the character length in the caller's
+ namespace and to declare a local character length. */
+ if (!byref && sym->attr.function
+ && sym->ts.type == BT_CHARACTER
+ && sym->ts.deferred
+ && sym->ts.u.cl->passed_length == NULL
+ && sym->ts.u.cl->backend_decl
+ && TREE_CODE (sym->ts.u.cl->backend_decl) == PARM_DECL)
+ {
+ sym->ts.u.cl->passed_length = sym->ts.u.cl->backend_decl;
+ gcc_assert (POINTER_TYPE_P (TREE_TYPE (sym->ts.u.cl->passed_length)));
+ sym->ts.u.cl->backend_decl = build_fold_indirect_ref (sym->ts.u.cl->backend_decl);
+ }
+
+ fun_or_res = byref && (sym->attr.result
+ || (sym->attr.function && sym->ts.deferred));
+ if ((sym->attr.dummy && ! sym->attr.function) || fun_or_res)
+ {
+ /* Return via extra parameter. */
+ if (sym->attr.result && byref
+ && !sym->backend_decl)
+ {
+ sym->backend_decl =
+ DECL_ARGUMENTS (sym->ns->proc_name->backend_decl);
+ /* For entry master function skip over the __entry
+ argument. */
+ if (sym->ns->proc_name->attr.entry_master)
+ sym->backend_decl = DECL_CHAIN (sym->backend_decl);
+ }
+
+ /* Dummy variables should already have been created. */
+ gcc_assert (sym->backend_decl);
+
+ /* However, the string length of deferred arrays must be set. */
+ if (sym->ts.type == BT_CHARACTER
+ && sym->ts.deferred
+ && sym->attr.dimension
+ && sym->attr.allocatable)
+ gfc_defer_symbol_init (sym);
+
+ if (sym->attr.pointer && sym->attr.dimension && sym->ts.type != BT_CLASS)
+ GFC_DECL_PTR_ARRAY_P (sym->backend_decl) = 1;
+
+ /* Create a character length variable. */
+ if (sym->ts.type == BT_CHARACTER)
+ {
+ /* For a deferred dummy, make a new string length variable. */
+ if (sym->ts.deferred
+ &&
+ (sym->ts.u.cl->passed_length == sym->ts.u.cl->backend_decl))
+ sym->ts.u.cl->backend_decl = NULL_TREE;
+
+ if (sym->ts.deferred && byref)
+ {
+ /* The string length of a deferred char array is stored in the
+ parameter at sym->ts.u.cl->backend_decl as a reference and
+ marked as a result. Exempt this variable from generating a
+ temporary for it. */
+ if (sym->attr.result)
+ {
+ /* We need to insert a indirect ref for param decls. */
+ if (sym->ts.u.cl->backend_decl
+ && TREE_CODE (sym->ts.u.cl->backend_decl) == PARM_DECL)
+ {
+ sym->ts.u.cl->passed_length = sym->ts.u.cl->backend_decl;
+ sym->ts.u.cl->backend_decl =
+ build_fold_indirect_ref (sym->ts.u.cl->backend_decl);
+ }
+ }
+ /* For all other parameters make sure, that they are copied so
+ that the value and any modifications are local to the routine
+ by generating a temporary variable. */
+ else if (sym->attr.function
+ && sym->ts.u.cl->passed_length == NULL
+ && sym->ts.u.cl->backend_decl)
+ {
+ sym->ts.u.cl->passed_length = sym->ts.u.cl->backend_decl;
+ if (POINTER_TYPE_P (TREE_TYPE (sym->ts.u.cl->passed_length)))
+ sym->ts.u.cl->backend_decl
+ = build_fold_indirect_ref (sym->ts.u.cl->backend_decl);
+ else
+ sym->ts.u.cl->backend_decl = NULL_TREE;
+ }
+ }
+
+ if (sym->ts.u.cl->backend_decl == NULL_TREE)
+ length = gfc_create_string_length (sym);
+ else
+ length = sym->ts.u.cl->backend_decl;
+ if (VAR_P (length) && DECL_FILE_SCOPE_P (length))
+ {
+ /* Add the string length to the same context as the symbol. */
+ if (DECL_CONTEXT (length) == NULL_TREE)
+ {
+ if (sym->backend_decl == current_function_decl
+ || (DECL_CONTEXT (sym->backend_decl)
+ == current_function_decl))
+ gfc_add_decl_to_function (length);
+ else
+ gfc_add_decl_to_parent_function (length);
+ }
+
+ gcc_assert (sym->backend_decl == current_function_decl
+ ? DECL_CONTEXT (length) == current_function_decl
+ : (DECL_CONTEXT (sym->backend_decl)
+ == DECL_CONTEXT (length)));
+
+ gfc_defer_symbol_init (sym);
+ }
+ }
+
+ /* Use a copy of the descriptor for dummy arrays. */
+ if ((sym->attr.dimension || sym->attr.codimension)
+ && !TREE_USED (sym->backend_decl))
+ {
+ decl = gfc_build_dummy_array_decl (sym, sym->backend_decl);
+ /* Prevent the dummy from being detected as unused if it is copied. */
+ if (sym->backend_decl != NULL && decl != sym->backend_decl)
+ DECL_ARTIFICIAL (sym->backend_decl) = 1;
+ sym->backend_decl = decl;
+ }
+
+ /* Returning the descriptor for dummy class arrays is hazardous, because
+ some caller is expecting an expression to apply the component refs to.
+ Therefore the descriptor is only created and stored in
+ sym->backend_decl's GFC_DECL_SAVED_DESCRIPTOR. The caller is then
+ responsible to extract it from there, when the descriptor is
+ desired. */
+ if (IS_CLASS_ARRAY (sym)
+ && (!DECL_LANG_SPECIFIC (sym->backend_decl)
+ || !GFC_DECL_SAVED_DESCRIPTOR (sym->backend_decl)))
+ {
+ decl = gfc_build_dummy_array_decl (sym, sym->backend_decl);
+ /* Prevent the dummy from being detected as unused if it is copied. */
+ if (sym->backend_decl != NULL && decl != sym->backend_decl)
+ DECL_ARTIFICIAL (sym->backend_decl) = 1;
+ sym->backend_decl = decl;
+ }
+
+ TREE_USED (sym->backend_decl) = 1;
+ if (sym->attr.assign && GFC_DECL_ASSIGN (sym->backend_decl) == 0)
+ gfc_add_assign_aux_vars (sym);
+
+ if (sym->ts.type == BT_CLASS && sym->backend_decl)
+ GFC_DECL_CLASS(sym->backend_decl) = 1;
+
+ return sym->backend_decl;
+ }
+
+ if (sym->result == sym && sym->attr.assign
+ && GFC_DECL_ASSIGN (sym->backend_decl) == 0)
+ gfc_add_assign_aux_vars (sym);
+
+ if (sym->backend_decl)
+ return sym->backend_decl;
+
+ /* Special case for array-valued named constants from intrinsic
+ procedures; those are inlined. */
+ if (sym->attr.use_assoc && sym->attr.flavor == FL_PARAMETER
+ && (sym->from_intmod == INTMOD_ISO_FORTRAN_ENV
+ || sym->from_intmod == INTMOD_ISO_C_BINDING))
+ intrinsic_array_parameter = true;
+
+ /* If use associated compilation, use the module
+ declaration. */
+ if ((sym->attr.flavor == FL_VARIABLE
+ || sym->attr.flavor == FL_PARAMETER)
+ && (sym->attr.use_assoc || sym->attr.used_in_submodule)
+ && !intrinsic_array_parameter
+ && sym->module
+ && gfc_get_module_backend_decl (sym))
+ {
+ if (sym->ts.type == BT_CLASS && sym->backend_decl)
+ GFC_DECL_CLASS(sym->backend_decl) = 1;
+ return sym->backend_decl;
+ }
+
+ if (sym->attr.flavor == FL_PROCEDURE)
+ {
+ /* Catch functions. Only used for actual parameters,
+ procedure pointers and procptr initialization targets. */
+ if (sym->attr.use_assoc
+ || sym->attr.used_in_submodule
+ || sym->attr.intrinsic
+ || sym->attr.if_source != IFSRC_DECL)
+ {
+ decl = gfc_get_extern_function_decl (sym);
+ }
+ else
+ {
+ if (!sym->backend_decl)
+ build_function_decl (sym, false);
+ decl = sym->backend_decl;
+ }
+ return decl;
+ }
+
+ if (sym->attr.intrinsic)
+ gfc_internal_error ("intrinsic variable which isn't a procedure");
+
+ /* Create string length decl first so that they can be used in the
+ type declaration. For associate names, the target character
+ length is used. Set 'length' to a constant so that if the
+ string length is a variable, it is not finished a second time. */
+ if (sym->ts.type == BT_CHARACTER)
+ {
+ if (sym->attr.associate_var
+ && sym->ts.deferred
+ && sym->assoc && sym->assoc->target
+ && ((sym->assoc->target->expr_type == EXPR_VARIABLE
+ && sym->assoc->target->symtree->n.sym->ts.type != BT_CHARACTER)
+ || sym->assoc->target->expr_type != EXPR_VARIABLE))
+ sym->ts.u.cl->backend_decl = NULL_TREE;
+
+ if (sym->attr.associate_var
+ && sym->ts.u.cl->backend_decl
+ && (VAR_P (sym->ts.u.cl->backend_decl)
+ || TREE_CODE (sym->ts.u.cl->backend_decl) == PARM_DECL))
+ length = gfc_index_zero_node;
+ else
+ length = gfc_create_string_length (sym);
+ }
+
+ /* Create the decl for the variable. */
+ decl = build_decl (gfc_get_location (&sym->declared_at),
+ VAR_DECL, gfc_sym_identifier (sym), gfc_sym_type (sym));
+
+ /* Add attributes to variables. Functions are handled elsewhere. */
+ attributes = add_attributes_to_decl (sym->attr, NULL_TREE);
+ decl_attributes (&decl, attributes, 0);
+
+ /* Symbols from modules should have their assembler names mangled.
+ This is done here rather than in gfc_finish_var_decl because it
+ is different for string length variables. */
+ if (sym->module || sym->fn_result_spec)
+ {
+ gfc_set_decl_assembler_name (decl, gfc_sym_mangled_identifier (sym));
+ if (sym->attr.use_assoc && !intrinsic_array_parameter)
+ DECL_IGNORED_P (decl) = 1;
+ }
+
+ if (sym->attr.select_type_temporary)
+ {
+ DECL_ARTIFICIAL (decl) = 1;
+ DECL_IGNORED_P (decl) = 1;
+ }
+
+ if (sym->attr.dimension || sym->attr.codimension)
+ {
+ /* Create variables to hold the non-constant bits of array info. */
+ gfc_build_qualified_array (decl, sym);
+
+ if (sym->attr.contiguous
+ || ((sym->attr.allocatable || !sym->attr.dummy) && !sym->attr.pointer))
+ GFC_DECL_PACKED_ARRAY (decl) = 1;
+ }
+
+ /* Remember this variable for allocation/cleanup. */
+ if (sym->attr.dimension || sym->attr.allocatable || sym->attr.codimension
+ || (sym->ts.type == BT_CLASS &&
+ (CLASS_DATA (sym)->attr.dimension
+ || CLASS_DATA (sym)->attr.allocatable))
+ || (sym->ts.type == BT_DERIVED
+ && (sym->ts.u.derived->attr.alloc_comp
+ || (!sym->attr.pointer && !sym->attr.artificial && !sym->attr.save
+ && !sym->ns->proc_name->attr.is_main_program
+ && gfc_is_finalizable (sym->ts.u.derived, NULL))))
+ /* This applies a derived type default initializer. */
+ || (sym->ts.type == BT_DERIVED
+ && sym->attr.save == SAVE_NONE
+ && !sym->attr.data
+ && !sym->attr.allocatable
+ && (sym->value && !sym->ns->proc_name->attr.is_main_program)
+ && !(sym->attr.use_assoc && !intrinsic_array_parameter)))
+ gfc_defer_symbol_init (sym);
+
+ if (sym->ts.type == BT_CHARACTER
+ && sym->attr.allocatable
+ && !sym->attr.dimension
+ && sym->ts.u.cl && sym->ts.u.cl->length
+ && sym->ts.u.cl->length->expr_type == EXPR_VARIABLE)
+ gfc_defer_symbol_init (sym);
+
+ /* Associate names can use the hidden string length variable
+ of their associated target. */
+ if (sym->ts.type == BT_CHARACTER
+ && TREE_CODE (length) != INTEGER_CST
+ && TREE_CODE (sym->ts.u.cl->backend_decl) != INDIRECT_REF)
+ {
+ length = fold_convert (gfc_charlen_type_node, length);
+ gfc_finish_var_decl (length, sym);
+ if (!sym->attr.associate_var
+ && TREE_CODE (length) == VAR_DECL
+ && sym->value && sym->value->expr_type != EXPR_NULL
+ && sym->value->ts.u.cl->length)
+ {
+ gfc_expr *len = sym->value->ts.u.cl->length;
+ DECL_INITIAL (length) = gfc_conv_initializer (len, &len->ts,
+ TREE_TYPE (length),
+ false, false, false);
+ DECL_INITIAL (length) = fold_convert (gfc_charlen_type_node,
+ DECL_INITIAL (length));
+ }
+ else
+ gcc_assert (!sym->value || sym->value->expr_type == EXPR_NULL);
+ }
+
+ gfc_finish_var_decl (decl, sym);
+
+ if (sym->ts.type == BT_CHARACTER)
+ /* Character variables need special handling. */
+ gfc_allocate_lang_decl (decl);
+
+ if (sym->assoc && sym->attr.subref_array_pointer)
+ sym->attr.pointer = 1;
+
+ if (sym->attr.pointer && sym->attr.dimension
+ && !sym->ts.deferred
+ && !(sym->attr.select_type_temporary
+ && !sym->attr.subref_array_pointer))
+ GFC_DECL_PTR_ARRAY_P (decl) = 1;
+
+ if (sym->ts.type == BT_CLASS)
+ GFC_DECL_CLASS(decl) = 1;
+
+ sym->backend_decl = decl;
+
+ if (sym->attr.assign)
+ gfc_add_assign_aux_vars (sym);
+
+ if (intrinsic_array_parameter)
+ {
+ TREE_STATIC (decl) = 1;
+ DECL_EXTERNAL (decl) = 0;
+ }
+
+ if (TREE_STATIC (decl)
+ && !(sym->attr.use_assoc && !intrinsic_array_parameter)
+ && (sym->attr.save || sym->ns->proc_name->attr.is_main_program
+ || !gfc_can_put_var_on_stack (DECL_SIZE_UNIT (decl))
+ || sym->attr.data || sym->ns->proc_name->attr.flavor == FL_MODULE)
+ && (flag_coarray != GFC_FCOARRAY_LIB
+ || !sym->attr.codimension || sym->attr.allocatable)
+ && !(sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.pdt_type)
+ && !(sym->ts.type == BT_CLASS
+ && CLASS_DATA (sym)->ts.u.derived->attr.pdt_type))
+ {
+ /* Add static initializer. For procedures, it is only needed if
+ SAVE is specified otherwise they need to be reinitialized
+ every time the procedure is entered. The TREE_STATIC is
+ in this case due to -fmax-stack-var-size=. */
+
+ DECL_INITIAL (decl) = gfc_conv_initializer (sym->value, &sym->ts,
+ TREE_TYPE (decl), sym->attr.dimension
+ || (sym->attr.codimension
+ && sym->attr.allocatable),
+ sym->attr.pointer || sym->attr.allocatable
+ || sym->ts.type == BT_CLASS,
+ sym->attr.proc_pointer);
+ }
+
+ if (!TREE_STATIC (decl)
+ && POINTER_TYPE_P (TREE_TYPE (decl))
+ && !sym->attr.pointer
+ && !sym->attr.allocatable
+ && !sym->attr.proc_pointer
+ && !sym->attr.select_type_temporary)
+ DECL_BY_REFERENCE (decl) = 1;
+
+ if (sym->attr.associate_var)
+ GFC_DECL_ASSOCIATE_VAR_P (decl) = 1;
+
+ /* We only longer mark __def_init as read-only if it actually has an
+ initializer, it does not needlessly take up space in the
+ read-only section and can go into the BSS instead, see PR 84487.
+ Marking this as artificial means that OpenMP will treat this as
+ predetermined shared. */
+
+ bool def_init = startswith (sym->name, "__def_init");
+
+ if (sym->attr.vtab || def_init)
+ {
+ DECL_ARTIFICIAL (decl) = 1;
+ if (def_init && sym->value)
+ TREE_READONLY (decl) = 1;
+ }
+
+ return decl;
+}
+
+
+/* Substitute a temporary variable in place of the real one. */
+
+void
+gfc_shadow_sym (gfc_symbol * sym, tree decl, gfc_saved_var * save)
+{
+ save->attr = sym->attr;
+ save->decl = sym->backend_decl;
+
+ gfc_clear_attr (&sym->attr);
+ sym->attr.referenced = 1;
+ sym->attr.flavor = FL_VARIABLE;
+
+ sym->backend_decl = decl;
+}
+
+
+/* Restore the original variable. */
+
+void
+gfc_restore_sym (gfc_symbol * sym, gfc_saved_var * save)
+{
+ sym->attr = save->attr;
+ sym->backend_decl = save->decl;
+}
+
+
+/* Declare a procedure pointer. */
+
+static tree
+get_proc_pointer_decl (gfc_symbol *sym)
+{
+ tree decl;
+ tree attributes;
+
+ if (sym->module || sym->fn_result_spec)
+ {
+ const char *name;
+ gfc_gsymbol *gsym;
+
+ name = mangled_identifier (sym);
+ gsym = gfc_find_gsymbol (gfc_gsym_root, name);
+ if (gsym != NULL)
+ {
+ gfc_symbol *s;
+ gfc_find_symbol (sym->name, gsym->ns, 0, &s);
+ if (s && s->backend_decl)
+ return s->backend_decl;
+ }
+ }
+
+ decl = sym->backend_decl;
+ if (decl)
+ return decl;
+
+ decl = build_decl (input_location,
+ VAR_DECL, get_identifier (sym->name),
+ build_pointer_type (gfc_get_function_type (sym)));
+
+ if (sym->module)
+ {
+ /* Apply name mangling. */
+ gfc_set_decl_assembler_name (decl, gfc_sym_mangled_identifier (sym));
+ if (sym->attr.use_assoc)
+ DECL_IGNORED_P (decl) = 1;
+ }
+
+ if ((sym->ns->proc_name
+ && sym->ns->proc_name->backend_decl == current_function_decl)
+ || sym->attr.contained)
+ gfc_add_decl_to_function (decl);
+ else if (sym->ns->proc_name->attr.flavor != FL_MODULE)
+ gfc_add_decl_to_parent_function (decl);
+
+ sym->backend_decl = decl;
+
+ /* If a variable is USE associated, it's always external. */
+ if (sym->attr.use_assoc)
+ {
+ DECL_EXTERNAL (decl) = 1;
+ TREE_PUBLIC (decl) = 1;
+ }
+ else if (sym->module && sym->ns->proc_name->attr.flavor == FL_MODULE)
+ {
+ /* This is the declaration of a module variable. */
+ TREE_PUBLIC (decl) = 1;
+ if (sym->attr.access == ACCESS_PRIVATE && !sym->attr.public_used)
+ {
+ DECL_VISIBILITY (decl) = VISIBILITY_HIDDEN;
+ DECL_VISIBILITY_SPECIFIED (decl) = true;
+ }
+ TREE_STATIC (decl) = 1;
+ }
+
+ if (!sym->attr.use_assoc
+ && (sym->attr.save != SAVE_NONE || sym->attr.data
+ || (sym->value && sym->ns->proc_name->attr.is_main_program)))
+ TREE_STATIC (decl) = 1;
+
+ if (TREE_STATIC (decl) && sym->value)
+ {
+ /* Add static initializer. */
+ DECL_INITIAL (decl) = gfc_conv_initializer (sym->value, &sym->ts,
+ TREE_TYPE (decl),
+ sym->attr.dimension,
+ false, true);
+ }
+
+ /* Handle threadprivate procedure pointers. */
+ if (sym->attr.threadprivate
+ && (TREE_STATIC (decl) || DECL_EXTERNAL (decl)))
+ set_decl_tls_model (decl, decl_default_tls_model (decl));
+
+ attributes = add_attributes_to_decl (sym->attr, NULL_TREE);
+ decl_attributes (&decl, attributes, 0);
+
+ return decl;
+}
+
+
+/* Get a basic decl for an external function. */
+
+tree
+gfc_get_extern_function_decl (gfc_symbol * sym, gfc_actual_arglist *actual_args,
+ const char *fnspec)
+{
+ tree type;
+ tree fndecl;
+ tree attributes;
+ gfc_expr e;
+ gfc_intrinsic_sym *isym;
+ gfc_expr argexpr;
+ char s[GFC_MAX_SYMBOL_LEN + 23]; /* "_gfortran_f2c_specific" and '\0'. */
+ tree name;
+ tree mangled_name;
+ gfc_gsymbol *gsym;
+
+ if (sym->backend_decl)
+ return sym->backend_decl;
+
+ /* We should never be creating external decls for alternate entry points.
+ The procedure may be an alternate entry point, but we don't want/need
+ to know that. */
+ gcc_assert (!(sym->attr.entry || sym->attr.entry_master));
+
+ if (sym->attr.proc_pointer)
+ return get_proc_pointer_decl (sym);
+
+ /* See if this is an external procedure from the same file. If so,
+ return the backend_decl. If we are looking at a BIND(C)
+ procedure and the symbol is not BIND(C), or vice versa, we
+ haven't found the right procedure. */
+
+ if (sym->binding_label)
+ {
+ gsym = gfc_find_gsymbol (gfc_gsym_root, sym->binding_label);
+ if (gsym && !gsym->bind_c)
+ gsym = NULL;
+ }
+ else if (sym->module == NULL)
+ {
+ gsym = gfc_find_gsymbol (gfc_gsym_root, sym->name);
+ if (gsym && gsym->bind_c)
+ gsym = NULL;
+ }
+ else
+ {
+ /* Procedure from a different module. */
+ gsym = NULL;
+ }
+
+ if (gsym && !gsym->defined)
+ gsym = NULL;
+
+ /* This can happen because of C binding. */
+ if (gsym && gsym->ns && gsym->ns->proc_name
+ && gsym->ns->proc_name->attr.flavor == FL_MODULE)
+ goto module_sym;
+
+ if ((!sym->attr.use_assoc || sym->attr.if_source != IFSRC_DECL)
+ && !sym->backend_decl
+ && gsym && gsym->ns
+ && ((gsym->type == GSYM_SUBROUTINE) || (gsym->type == GSYM_FUNCTION))
+ && (gsym->ns->proc_name->backend_decl || !sym->attr.intrinsic))
+ {
+ if (!gsym->ns->proc_name->backend_decl)
+ {
+ /* By construction, the external function cannot be
+ a contained procedure. */
+ locus old_loc;
+
+ gfc_save_backend_locus (&old_loc);
+ push_cfun (NULL);
+
+ gfc_create_function_decl (gsym->ns, true);
+
+ pop_cfun ();
+ gfc_restore_backend_locus (&old_loc);
+ }
+
+ /* If the namespace has entries, the proc_name is the
+ entry master. Find the entry and use its backend_decl.
+ otherwise, use the proc_name backend_decl. */
+ if (gsym->ns->entries)
+ {
+ gfc_entry_list *entry = gsym->ns->entries;
+
+ for (; entry; entry = entry->next)
+ {
+ if (strcmp (gsym->name, entry->sym->name) == 0)
+ {
+ sym->backend_decl = entry->sym->backend_decl;
+ break;
+ }
+ }
+ }
+ else
+ sym->backend_decl = gsym->ns->proc_name->backend_decl;
+
+ if (sym->backend_decl)
+ {
+ /* Avoid problems of double deallocation of the backend declaration
+ later in gfc_trans_use_stmts; cf. PR 45087. */
+ if (sym->attr.if_source != IFSRC_DECL && sym->attr.use_assoc)
+ sym->attr.use_assoc = 0;
+
+ return sym->backend_decl;
+ }
+ }
+
+ /* See if this is a module procedure from the same file. If so,
+ return the backend_decl. */
+ if (sym->module)
+ gsym = gfc_find_gsymbol (gfc_gsym_root, sym->module);
+
+module_sym:
+ if (gsym && gsym->ns
+ && (gsym->type == GSYM_MODULE
+ || (gsym->ns->proc_name && gsym->ns->proc_name->attr.flavor == FL_MODULE)))
+ {
+ gfc_symbol *s;
+
+ s = NULL;
+ if (gsym->type == GSYM_MODULE)
+ gfc_find_symbol (sym->name, gsym->ns, 0, &s);
+ else
+ gfc_find_symbol (gsym->sym_name, gsym->ns, 0, &s);
+
+ if (s && s->backend_decl)
+ {
+ if (sym->ts.type == BT_DERIVED || sym->ts.type == BT_CLASS)
+ gfc_copy_dt_decls_ifequal (s->ts.u.derived, sym->ts.u.derived,
+ true);
+ else if (sym->ts.type == BT_CHARACTER)
+ sym->ts.u.cl->backend_decl = s->ts.u.cl->backend_decl;
+ sym->backend_decl = s->backend_decl;
+ return sym->backend_decl;
+ }
+ }
+
+ if (sym->attr.intrinsic)
+ {
+ /* Call the resolution function to get the actual name. This is
+ a nasty hack which relies on the resolution functions only looking
+ at the first argument. We pass NULL for the second argument
+ otherwise things like AINT get confused. */
+ isym = gfc_find_function (sym->name);
+ gcc_assert (isym->resolve.f0 != NULL);
+
+ memset (&e, 0, sizeof (e));
+ e.expr_type = EXPR_FUNCTION;
+
+ memset (&argexpr, 0, sizeof (argexpr));
+ gcc_assert (isym->formal);
+ argexpr.ts = isym->formal->ts;
+
+ if (isym->formal->next == NULL)
+ isym->resolve.f1 (&e, &argexpr);
+ else
+ {
+ if (isym->formal->next->next == NULL)
+ isym->resolve.f2 (&e, &argexpr, NULL);
+ else
+ {
+ if (isym->formal->next->next->next == NULL)
+ isym->resolve.f3 (&e, &argexpr, NULL, NULL);
+ else
+ {
+ /* All specific intrinsics take less than 5 arguments. */
+ gcc_assert (isym->formal->next->next->next->next == NULL);
+ isym->resolve.f4 (&e, &argexpr, NULL, NULL, NULL);
+ }
+ }
+ }
+
+ if (flag_f2c
+ && ((e.ts.type == BT_REAL && e.ts.kind == gfc_default_real_kind)
+ || e.ts.type == BT_COMPLEX))
+ {
+ /* Specific which needs a different implementation if f2c
+ calling conventions are used. */
+ sprintf (s, "_gfortran_f2c_specific%s", e.value.function.name);
+ }
+ else
+ sprintf (s, "_gfortran_specific%s", e.value.function.name);
+
+ name = get_identifier (s);
+ mangled_name = name;
+ }
+ else
+ {
+ name = gfc_sym_identifier (sym);
+ mangled_name = gfc_sym_mangled_function_id (sym);
+ }
+
+ type = gfc_get_function_type (sym, actual_args, fnspec);
+
+ fndecl = build_decl (input_location,
+ FUNCTION_DECL, name, type);
+
+ /* Initialize DECL_EXTERNAL and TREE_PUBLIC before calling decl_attributes;
+ TREE_PUBLIC specifies whether a function is globally addressable (i.e.
+ the opposite of declaring a function as static in C). */
+ DECL_EXTERNAL (fndecl) = 1;
+ TREE_PUBLIC (fndecl) = 1;
+
+ attributes = add_attributes_to_decl (sym->attr, NULL_TREE);
+ decl_attributes (&fndecl, attributes, 0);
+
+ gfc_set_decl_assembler_name (fndecl, mangled_name);
+
+ /* Set the context of this decl. */
+ if (0 && sym->ns && sym->ns->proc_name)
+ {
+ /* TODO: Add external decls to the appropriate scope. */
+ DECL_CONTEXT (fndecl) = sym->ns->proc_name->backend_decl;
+ }
+ else
+ {
+ /* Global declaration, e.g. intrinsic subroutine. */
+ DECL_CONTEXT (fndecl) = NULL_TREE;
+ }
+
+ /* Set attributes for PURE functions. A call to PURE function in the
+ Fortran 95 sense is both pure and without side effects in the C
+ sense. */
+ if (sym->attr.pure || sym->attr.implicit_pure)
+ {
+ if (sym->attr.function && !gfc_return_by_reference (sym))
+ DECL_PURE_P (fndecl) = 1;
+ /* TODO: check if pure SUBROUTINEs don't have INTENT(OUT)
+ parameters and don't use alternate returns (is this
+ allowed?). In that case, calls to them are meaningless, and
+ can be optimized away. See also in build_function_decl(). */
+ TREE_SIDE_EFFECTS (fndecl) = 0;
+ }
+
+ /* Mark non-returning functions. */
+ if (sym->attr.noreturn)
+ TREE_THIS_VOLATILE(fndecl) = 1;
+
+ sym->backend_decl = fndecl;
+
+ if (DECL_CONTEXT (fndecl) == NULL_TREE)
+ pushdecl_top_level (fndecl);
+
+ if (sym->formal_ns
+ && sym->formal_ns->proc_name == sym)
+ {
+ if (sym->formal_ns->omp_declare_simd)
+ gfc_trans_omp_declare_simd (sym->formal_ns);
+ if (flag_openmp)
+ gfc_trans_omp_declare_variant (sym->formal_ns);
+ }
+
+ return fndecl;
+}
+
+
+/* Create a declaration for a procedure. For external functions (in the C
+ sense) use gfc_get_extern_function_decl. HAS_ENTRIES is true if this is
+ a master function with alternate entry points. */
+
+static void
+build_function_decl (gfc_symbol * sym, bool global)
+{
+ tree fndecl, type, attributes;
+ symbol_attribute attr;
+ tree result_decl;
+ gfc_formal_arglist *f;
+
+ bool module_procedure = sym->attr.module_procedure
+ && sym->ns
+ && sym->ns->proc_name
+ && sym->ns->proc_name->attr.flavor == FL_MODULE;
+
+ gcc_assert (!sym->attr.external || module_procedure);
+
+ if (sym->backend_decl)
+ return;
+
+ /* Set the line and filename. sym->declared_at seems to point to the
+ last statement for subroutines, but it'll do for now. */
+ gfc_set_backend_locus (&sym->declared_at);
+
+ /* Allow only one nesting level. Allow public declarations. */
+ gcc_assert (current_function_decl == NULL_TREE
+ || DECL_FILE_SCOPE_P (current_function_decl)
+ || (TREE_CODE (DECL_CONTEXT (current_function_decl))
+ == NAMESPACE_DECL));
+
+ type = gfc_get_function_type (sym);
+ fndecl = build_decl (input_location,
+ FUNCTION_DECL, gfc_sym_identifier (sym), type);
+
+ attr = sym->attr;
+
+ /* Initialize DECL_EXTERNAL and TREE_PUBLIC before calling decl_attributes;
+ TREE_PUBLIC specifies whether a function is globally addressable (i.e.
+ the opposite of declaring a function as static in C). */
+ DECL_EXTERNAL (fndecl) = 0;
+
+ if (sym->attr.access == ACCESS_UNKNOWN && sym->module
+ && (sym->ns->default_access == ACCESS_PRIVATE
+ || (sym->ns->default_access == ACCESS_UNKNOWN
+ && flag_module_private)))
+ sym->attr.access = ACCESS_PRIVATE;
+
+ if (!current_function_decl
+ && !sym->attr.entry_master && !sym->attr.is_main_program
+ && (sym->attr.access != ACCESS_PRIVATE || sym->binding_label
+ || sym->attr.public_used))
+ TREE_PUBLIC (fndecl) = 1;
+
+ if (sym->attr.referenced || sym->attr.entry_master)
+ TREE_USED (fndecl) = 1;
+
+ attributes = add_attributes_to_decl (attr, NULL_TREE);
+ decl_attributes (&fndecl, attributes, 0);
+
+ /* Figure out the return type of the declared function, and build a
+ RESULT_DECL for it. If this is a subroutine with alternate
+ returns, build a RESULT_DECL for it. */
+ result_decl = NULL_TREE;
+ /* TODO: Shouldn't this just be TREE_TYPE (TREE_TYPE (fndecl)). */
+ if (attr.function)
+ {
+ if (gfc_return_by_reference (sym))
+ type = void_type_node;
+ else
+ {
+ if (sym->result != sym)
+ result_decl = gfc_sym_identifier (sym->result);
+
+ type = TREE_TYPE (TREE_TYPE (fndecl));
+ }
+ }
+ else
+ {
+ /* Look for alternate return placeholders. */
+ int has_alternate_returns = 0;
+ for (f = gfc_sym_get_dummy_args (sym); f; f = f->next)
+ {
+ if (f->sym == NULL)
+ {
+ has_alternate_returns = 1;
+ break;
+ }
+ }
+
+ if (has_alternate_returns)
+ type = integer_type_node;
+ else
+ type = void_type_node;
+ }
+
+ result_decl = build_decl (input_location,
+ RESULT_DECL, result_decl, type);
+ DECL_ARTIFICIAL (result_decl) = 1;
+ DECL_IGNORED_P (result_decl) = 1;
+ DECL_CONTEXT (result_decl) = fndecl;
+ DECL_RESULT (fndecl) = result_decl;
+
+ /* Don't call layout_decl for a RESULT_DECL.
+ layout_decl (result_decl, 0); */
+
+ /* TREE_STATIC means the function body is defined here. */
+ TREE_STATIC (fndecl) = 1;
+
+ /* Set attributes for PURE functions. A call to a PURE function in the
+ Fortran 95 sense is both pure and without side effects in the C
+ sense. */
+ if (attr.pure || attr.implicit_pure)
+ {
+ /* TODO: check if a pure SUBROUTINE has no INTENT(OUT) arguments
+ including an alternate return. In that case it can also be
+ marked as PURE. See also in gfc_get_extern_function_decl(). */
+ if (attr.function && !gfc_return_by_reference (sym))
+ DECL_PURE_P (fndecl) = 1;
+ TREE_SIDE_EFFECTS (fndecl) = 0;
+ }
+
+
+ /* Layout the function declaration and put it in the binding level
+ of the current function. */
+
+ if (global)
+ pushdecl_top_level (fndecl);
+ else
+ pushdecl (fndecl);
+
+ /* Perform name mangling if this is a top level or module procedure. */
+ if (current_function_decl == NULL_TREE)
+ gfc_set_decl_assembler_name (fndecl, gfc_sym_mangled_function_id (sym));
+
+ sym->backend_decl = fndecl;
+}
+
+
+/* Create the DECL_ARGUMENTS for a procedure.
+ NOTE: The arguments added here must match the argument type created by
+ gfc_get_function_type (). */
+
+static void
+create_function_arglist (gfc_symbol * sym)
+{
+ tree fndecl;
+ gfc_formal_arglist *f;
+ tree typelist, hidden_typelist;
+ tree arglist, hidden_arglist;
+ tree type;
+ tree parm;
+
+ fndecl = sym->backend_decl;
+
+ /* Build formal argument list. Make sure that their TREE_CONTEXT is
+ the new FUNCTION_DECL node. */
+ arglist = NULL_TREE;
+ hidden_arglist = NULL_TREE;
+ typelist = TYPE_ARG_TYPES (TREE_TYPE (fndecl));
+
+ if (sym->attr.entry_master)
+ {
+ type = TREE_VALUE (typelist);
+ parm = build_decl (input_location,
+ PARM_DECL, get_identifier ("__entry"), type);
+
+ DECL_CONTEXT (parm) = fndecl;
+ DECL_ARG_TYPE (parm) = type;
+ TREE_READONLY (parm) = 1;
+ gfc_finish_decl (parm);
+ DECL_ARTIFICIAL (parm) = 1;
+
+ arglist = chainon (arglist, parm);
+ typelist = TREE_CHAIN (typelist);
+ }
+
+ if (gfc_return_by_reference (sym))
+ {
+ tree type = TREE_VALUE (typelist), length = NULL;
+
+ if (sym->ts.type == BT_CHARACTER)
+ {
+ /* Length of character result. */
+ tree len_type = TREE_VALUE (TREE_CHAIN (typelist));
+
+ length = build_decl (input_location,
+ PARM_DECL,
+ get_identifier (".__result"),
+ len_type);
+ if (POINTER_TYPE_P (len_type))
+ {
+ sym->ts.u.cl->passed_length = length;
+ TREE_USED (length) = 1;
+ }
+ else if (!sym->ts.u.cl->length)
+ {
+ sym->ts.u.cl->backend_decl = length;
+ TREE_USED (length) = 1;
+ }
+ gcc_assert (TREE_CODE (length) == PARM_DECL);
+ DECL_CONTEXT (length) = fndecl;
+ DECL_ARG_TYPE (length) = len_type;
+ TREE_READONLY (length) = 1;
+ DECL_ARTIFICIAL (length) = 1;
+ gfc_finish_decl (length);
+ if (sym->ts.u.cl->backend_decl == NULL
+ || sym->ts.u.cl->backend_decl == length)
+ {
+ gfc_symbol *arg;
+ tree backend_decl;
+
+ if (sym->ts.u.cl->backend_decl == NULL)
+ {
+ tree len = build_decl (input_location,
+ VAR_DECL,
+ get_identifier ("..__result"),
+ gfc_charlen_type_node);
+ DECL_ARTIFICIAL (len) = 1;
+ TREE_USED (len) = 1;
+ sym->ts.u.cl->backend_decl = len;
+ }
+
+ /* Make sure PARM_DECL type doesn't point to incomplete type. */
+ arg = sym->result ? sym->result : sym;
+ backend_decl = arg->backend_decl;
+ /* Temporary clear it, so that gfc_sym_type creates complete
+ type. */
+ arg->backend_decl = NULL;
+ type = gfc_sym_type (arg);
+ arg->backend_decl = backend_decl;
+ type = build_reference_type (type);
+ }
+ }
+
+ parm = build_decl (input_location,
+ PARM_DECL, get_identifier ("__result"), type);
+
+ DECL_CONTEXT (parm) = fndecl;
+ DECL_ARG_TYPE (parm) = TREE_VALUE (typelist);
+ TREE_READONLY (parm) = 1;
+ DECL_ARTIFICIAL (parm) = 1;
+ gfc_finish_decl (parm);
+
+ arglist = chainon (arglist, parm);
+ typelist = TREE_CHAIN (typelist);
+
+ if (sym->ts.type == BT_CHARACTER)
+ {
+ gfc_allocate_lang_decl (parm);
+ arglist = chainon (arglist, length);
+ typelist = TREE_CHAIN (typelist);
+ }
+ }
+
+ hidden_typelist = typelist;
+ for (f = gfc_sym_get_dummy_args (sym); f; f = f->next)
+ if (f->sym != NULL) /* Ignore alternate returns. */
+ hidden_typelist = TREE_CHAIN (hidden_typelist);
+
+ for (f = gfc_sym_get_dummy_args (sym); f; f = f->next)
+ {
+ char name[GFC_MAX_SYMBOL_LEN + 2];
+
+ /* Ignore alternate returns. */
+ if (f->sym == NULL)
+ continue;
+
+ type = TREE_VALUE (typelist);
+
+ if (f->sym->ts.type == BT_CHARACTER
+ && (!sym->attr.is_bind_c || sym->attr.entry_master))
+ {
+ tree len_type = TREE_VALUE (hidden_typelist);
+ tree length = NULL_TREE;
+ if (!f->sym->ts.deferred)
+ gcc_assert (len_type == gfc_charlen_type_node);
+ else
+ gcc_assert (POINTER_TYPE_P (len_type));
+
+ strcpy (&name[1], f->sym->name);
+ name[0] = '_';
+ length = build_decl (input_location,
+ PARM_DECL, get_identifier (name), len_type);
+
+ hidden_arglist = chainon (hidden_arglist, length);
+ DECL_CONTEXT (length) = fndecl;
+ DECL_ARTIFICIAL (length) = 1;
+ DECL_ARG_TYPE (length) = len_type;
+ TREE_READONLY (length) = 1;
+ gfc_finish_decl (length);
+
+ /* Marking the length DECL_HIDDEN_STRING_LENGTH will lead
+ to tail calls being disabled. Only do that if we
+ potentially have broken callers. */
+ if (flag_tail_call_workaround
+ && f->sym->ts.u.cl
+ && f->sym->ts.u.cl->length
+ && f->sym->ts.u.cl->length->expr_type == EXPR_CONSTANT
+ && (flag_tail_call_workaround == 2
+ || f->sym->ns->implicit_interface_calls))
+ DECL_HIDDEN_STRING_LENGTH (length) = 1;
+
+ /* Remember the passed value. */
+ if (!f->sym->ts.u.cl || f->sym->ts.u.cl->passed_length)
+ {
+ /* This can happen if the same type is used for multiple
+ arguments. We need to copy cl as otherwise
+ cl->passed_length gets overwritten. */
+ f->sym->ts.u.cl = gfc_new_charlen (f->sym->ns, f->sym->ts.u.cl);
+ }
+ f->sym->ts.u.cl->passed_length = length;
+
+ /* Use the passed value for assumed length variables. */
+ if (!f->sym->ts.u.cl->length)
+ {
+ TREE_USED (length) = 1;
+ gcc_assert (!f->sym->ts.u.cl->backend_decl);
+ f->sym->ts.u.cl->backend_decl = length;
+ }
+
+ hidden_typelist = TREE_CHAIN (hidden_typelist);
+
+ if (f->sym->ts.u.cl->backend_decl == NULL
+ || f->sym->ts.u.cl->backend_decl == length)
+ {
+ if (POINTER_TYPE_P (len_type))
+ f->sym->ts.u.cl->backend_decl
+ = build_fold_indirect_ref_loc (input_location, length);
+ else if (f->sym->ts.u.cl->backend_decl == NULL)
+ gfc_create_string_length (f->sym);
+
+ /* Make sure PARM_DECL type doesn't point to incomplete type. */
+ if (f->sym->attr.flavor == FL_PROCEDURE)
+ type = build_pointer_type (gfc_get_function_type (f->sym));
+ else
+ type = gfc_sym_type (f->sym);
+ }
+ }
+ /* For noncharacter scalar intrinsic types, VALUE passes the value,
+ hence, the optional status cannot be transferred via a NULL pointer.
+ Thus, we will use a hidden argument in that case. */
+ else if (f->sym->attr.optional && f->sym->attr.value
+ && !f->sym->attr.dimension && f->sym->ts.type != BT_CLASS
+ && !gfc_bt_struct (f->sym->ts.type))
+ {
+ tree tmp;
+ strcpy (&name[1], f->sym->name);
+ name[0] = '_';
+ tmp = build_decl (input_location,
+ PARM_DECL, get_identifier (name),
+ boolean_type_node);
+
+ hidden_arglist = chainon (hidden_arglist, tmp);
+ DECL_CONTEXT (tmp) = fndecl;
+ DECL_ARTIFICIAL (tmp) = 1;
+ DECL_ARG_TYPE (tmp) = boolean_type_node;
+ TREE_READONLY (tmp) = 1;
+ gfc_finish_decl (tmp);
+
+ hidden_typelist = TREE_CHAIN (hidden_typelist);
+ }
+
+ /* For non-constant length array arguments, make sure they use
+ a different type node from TYPE_ARG_TYPES type. */
+ if (f->sym->attr.dimension
+ && type == TREE_VALUE (typelist)
+ && TREE_CODE (type) == POINTER_TYPE
+ && GFC_ARRAY_TYPE_P (type)
+ && f->sym->as->type != AS_ASSUMED_SIZE
+ && ! COMPLETE_TYPE_P (TREE_TYPE (type)))
+ {
+ if (f->sym->attr.flavor == FL_PROCEDURE)
+ type = build_pointer_type (gfc_get_function_type (f->sym));
+ else
+ type = gfc_sym_type (f->sym);
+ }
+
+ if (f->sym->attr.proc_pointer)
+ type = build_pointer_type (type);
+
+ if (f->sym->attr.volatile_)
+ type = build_qualified_type (type, TYPE_QUAL_VOLATILE);
+
+ /* Build the argument declaration. For C descriptors, we use a
+ '_'-prefixed name for the parm_decl and inside the proc the
+ sym->name. */
+ tree parm_name;
+ if (sym->attr.is_bind_c && is_CFI_desc (f->sym, NULL))
+ {
+ strcpy (&name[1], f->sym->name);
+ name[0] = '_';
+ parm_name = get_identifier (name);
+ }
+ else
+ parm_name = gfc_sym_identifier (f->sym);
+ parm = build_decl (input_location, PARM_DECL, parm_name, type);
+
+ if (f->sym->attr.volatile_)
+ {
+ TREE_THIS_VOLATILE (parm) = 1;
+ TREE_SIDE_EFFECTS (parm) = 1;
+ }
+
+ /* Fill in arg stuff. */
+ DECL_CONTEXT (parm) = fndecl;
+ DECL_ARG_TYPE (parm) = TREE_VALUE (typelist);
+ /* All implementation args except for VALUE are read-only. */
+ if (!f->sym->attr.value)
+ TREE_READONLY (parm) = 1;
+ if (POINTER_TYPE_P (type)
+ && (!f->sym->attr.proc_pointer
+ && f->sym->attr.flavor != FL_PROCEDURE))
+ DECL_BY_REFERENCE (parm) = 1;
+ if (f->sym->attr.optional)
+ {
+ gfc_allocate_lang_decl (parm);
+ GFC_DECL_OPTIONAL_ARGUMENT (parm) = 1;
+ }
+
+ gfc_finish_decl (parm);
+ gfc_finish_decl_attrs (parm, &f->sym->attr);
+
+ f->sym->backend_decl = parm;
+
+ /* Coarrays which are descriptorless or assumed-shape pass with
+ -fcoarray=lib the token and the offset as hidden arguments. */
+ if (flag_coarray == GFC_FCOARRAY_LIB
+ && ((f->sym->ts.type != BT_CLASS && f->sym->attr.codimension
+ && !f->sym->attr.allocatable)
+ || (f->sym->ts.type == BT_CLASS
+ && CLASS_DATA (f->sym)->attr.codimension
+ && !CLASS_DATA (f->sym)->attr.allocatable)))
+ {
+ tree caf_type;
+ tree token;
+ tree offset;
+
+ gcc_assert (f->sym->backend_decl != NULL_TREE
+ && !sym->attr.is_bind_c);
+ caf_type = f->sym->ts.type == BT_CLASS
+ ? TREE_TYPE (CLASS_DATA (f->sym)->backend_decl)
+ : TREE_TYPE (f->sym->backend_decl);
+
+ token = build_decl (input_location, PARM_DECL,
+ create_tmp_var_name ("caf_token"),
+ build_qualified_type (pvoid_type_node,
+ TYPE_QUAL_RESTRICT));
+ if ((f->sym->ts.type != BT_CLASS
+ && f->sym->as->type != AS_DEFERRED)
+ || (f->sym->ts.type == BT_CLASS
+ && CLASS_DATA (f->sym)->as->type != AS_DEFERRED))
+ {
+ gcc_assert (DECL_LANG_SPECIFIC (f->sym->backend_decl) == NULL
+ || GFC_DECL_TOKEN (f->sym->backend_decl) == NULL_TREE);
+ if (DECL_LANG_SPECIFIC (f->sym->backend_decl) == NULL)
+ gfc_allocate_lang_decl (f->sym->backend_decl);
+ GFC_DECL_TOKEN (f->sym->backend_decl) = token;
+ }
+ else
+ {
+ gcc_assert (GFC_TYPE_ARRAY_CAF_TOKEN (caf_type) == NULL_TREE);
+ GFC_TYPE_ARRAY_CAF_TOKEN (caf_type) = token;
+ }
+
+ DECL_CONTEXT (token) = fndecl;
+ DECL_ARTIFICIAL (token) = 1;
+ DECL_ARG_TYPE (token) = TREE_VALUE (typelist);
+ TREE_READONLY (token) = 1;
+ hidden_arglist = chainon (hidden_arglist, token);
+ hidden_typelist = TREE_CHAIN (hidden_typelist);
+ gfc_finish_decl (token);
+
+ offset = build_decl (input_location, PARM_DECL,
+ create_tmp_var_name ("caf_offset"),
+ gfc_array_index_type);
+
+ if ((f->sym->ts.type != BT_CLASS
+ && f->sym->as->type != AS_DEFERRED)
+ || (f->sym->ts.type == BT_CLASS
+ && CLASS_DATA (f->sym)->as->type != AS_DEFERRED))
+ {
+ gcc_assert (GFC_DECL_CAF_OFFSET (f->sym->backend_decl)
+ == NULL_TREE);
+ GFC_DECL_CAF_OFFSET (f->sym->backend_decl) = offset;
+ }
+ else
+ {
+ gcc_assert (GFC_TYPE_ARRAY_CAF_OFFSET (caf_type) == NULL_TREE);
+ GFC_TYPE_ARRAY_CAF_OFFSET (caf_type) = offset;
+ }
+ DECL_CONTEXT (offset) = fndecl;
+ DECL_ARTIFICIAL (offset) = 1;
+ DECL_ARG_TYPE (offset) = TREE_VALUE (typelist);
+ TREE_READONLY (offset) = 1;
+ hidden_arglist = chainon (hidden_arglist, offset);
+ hidden_typelist = TREE_CHAIN (hidden_typelist);
+ gfc_finish_decl (offset);
+ }
+
+ arglist = chainon (arglist, parm);
+ typelist = TREE_CHAIN (typelist);
+ }
+
+ /* Add the hidden string length parameters, unless the procedure
+ is bind(C). */
+ if (!sym->attr.is_bind_c)
+ arglist = chainon (arglist, hidden_arglist);
+
+ gcc_assert (hidden_typelist == NULL_TREE
+ || TREE_VALUE (hidden_typelist) == void_type_node);
+ DECL_ARGUMENTS (fndecl) = arglist;
+}
+
+/* Do the setup necessary before generating the body of a function. */
+
+static void
+trans_function_start (gfc_symbol * sym)
+{
+ tree fndecl;
+
+ fndecl = sym->backend_decl;
+
+ /* Let GCC know the current scope is this function. */
+ current_function_decl = fndecl;
+
+ /* Let the world know what we're about to do. */
+ announce_function (fndecl);
+
+ if (DECL_FILE_SCOPE_P (fndecl))
+ {
+ /* Create RTL for function declaration. */
+ rest_of_decl_compilation (fndecl, 1, 0);
+ }
+
+ /* Create RTL for function definition. */
+ make_decl_rtl (fndecl);
+
+ allocate_struct_function (fndecl, false);
+
+ /* function.c requires a push at the start of the function. */
+ pushlevel ();
+}
+
+/* Create thunks for alternate entry points. */
+
+static void
+build_entry_thunks (gfc_namespace * ns, bool global)
+{
+ gfc_formal_arglist *formal;
+ gfc_formal_arglist *thunk_formal;
+ gfc_entry_list *el;
+ gfc_symbol *thunk_sym;
+ stmtblock_t body;
+ tree thunk_fndecl;
+ tree tmp;
+ locus old_loc;
+
+ /* This should always be a toplevel function. */
+ gcc_assert (current_function_decl == NULL_TREE);
+
+ gfc_save_backend_locus (&old_loc);
+ for (el = ns->entries; el; el = el->next)
+ {
+ vec<tree, va_gc> *args = NULL;
+ vec<tree, va_gc> *string_args = NULL;
+
+ thunk_sym = el->sym;
+
+ build_function_decl (thunk_sym, global);
+ create_function_arglist (thunk_sym);
+
+ trans_function_start (thunk_sym);
+
+ thunk_fndecl = thunk_sym->backend_decl;
+
+ gfc_init_block (&body);
+
+ /* Pass extra parameter identifying this entry point. */
+ tmp = build_int_cst (gfc_array_index_type, el->id);
+ vec_safe_push (args, tmp);
+
+ if (thunk_sym->attr.function)
+ {
+ if (gfc_return_by_reference (ns->proc_name))
+ {
+ tree ref = DECL_ARGUMENTS (current_function_decl);
+ vec_safe_push (args, ref);
+ if (ns->proc_name->ts.type == BT_CHARACTER)
+ vec_safe_push (args, DECL_CHAIN (ref));
+ }
+ }
+
+ for (formal = gfc_sym_get_dummy_args (ns->proc_name); formal;
+ formal = formal->next)
+ {
+ /* Ignore alternate returns. */
+ if (formal->sym == NULL)
+ continue;
+
+ /* We don't have a clever way of identifying arguments, so resort to
+ a brute-force search. */
+ for (thunk_formal = gfc_sym_get_dummy_args (thunk_sym);
+ thunk_formal;
+ thunk_formal = thunk_formal->next)
+ {
+ if (thunk_formal->sym == formal->sym)
+ break;
+ }
+
+ if (thunk_formal)
+ {
+ /* Pass the argument. */
+ DECL_ARTIFICIAL (thunk_formal->sym->backend_decl) = 1;
+ vec_safe_push (args, thunk_formal->sym->backend_decl);
+ if (formal->sym->ts.type == BT_CHARACTER)
+ {
+ tmp = thunk_formal->sym->ts.u.cl->backend_decl;
+ vec_safe_push (string_args, tmp);
+ }
+ }
+ else
+ {
+ /* Pass NULL for a missing argument. */
+ vec_safe_push (args, null_pointer_node);
+ if (formal->sym->ts.type == BT_CHARACTER)
+ {
+ tmp = build_int_cst (gfc_charlen_type_node, 0);
+ vec_safe_push (string_args, tmp);
+ }
+ }
+ }
+
+ /* Call the master function. */
+ vec_safe_splice (args, string_args);
+ tmp = ns->proc_name->backend_decl;
+ tmp = build_call_expr_loc_vec (input_location, tmp, args);
+ if (ns->proc_name->attr.mixed_entry_master)
+ {
+ tree union_decl, field;
+ tree master_type = TREE_TYPE (ns->proc_name->backend_decl);
+
+ union_decl = build_decl (input_location,
+ VAR_DECL, get_identifier ("__result"),
+ TREE_TYPE (master_type));
+ DECL_ARTIFICIAL (union_decl) = 1;
+ DECL_EXTERNAL (union_decl) = 0;
+ TREE_PUBLIC (union_decl) = 0;
+ TREE_USED (union_decl) = 1;
+ layout_decl (union_decl, 0);
+ pushdecl (union_decl);
+
+ DECL_CONTEXT (union_decl) = current_function_decl;
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR,
+ TREE_TYPE (union_decl), union_decl, tmp);
+ gfc_add_expr_to_block (&body, tmp);
+
+ for (field = TYPE_FIELDS (TREE_TYPE (union_decl));
+ field; field = DECL_CHAIN (field))
+ if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)),
+ thunk_sym->result->name) == 0)
+ break;
+ gcc_assert (field != NULL_TREE);
+ tmp = fold_build3_loc (input_location, COMPONENT_REF,
+ TREE_TYPE (field), union_decl, field,
+ NULL_TREE);
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR,
+ TREE_TYPE (DECL_RESULT (current_function_decl)),
+ DECL_RESULT (current_function_decl), tmp);
+ tmp = build1_v (RETURN_EXPR, tmp);
+ }
+ else if (TREE_TYPE (DECL_RESULT (current_function_decl))
+ != void_type_node)
+ {
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR,
+ TREE_TYPE (DECL_RESULT (current_function_decl)),
+ DECL_RESULT (current_function_decl), tmp);
+ tmp = build1_v (RETURN_EXPR, tmp);
+ }
+ gfc_add_expr_to_block (&body, tmp);
+
+ /* Finish off this function and send it for code generation. */
+ DECL_SAVED_TREE (thunk_fndecl) = gfc_finish_block (&body);
+ tmp = getdecls ();
+ poplevel (1, 1);
+ BLOCK_SUPERCONTEXT (DECL_INITIAL (thunk_fndecl)) = thunk_fndecl;
+ DECL_SAVED_TREE (thunk_fndecl)
+ = fold_build3_loc (DECL_SOURCE_LOCATION (thunk_fndecl), BIND_EXPR,
+ void_type_node, tmp, DECL_SAVED_TREE (thunk_fndecl),
+ DECL_INITIAL (thunk_fndecl));
+
+ /* Output the GENERIC tree. */
+ dump_function (TDI_original, thunk_fndecl);
+
+ /* Store the end of the function, so that we get good line number
+ info for the epilogue. */
+ cfun->function_end_locus = input_location;
+
+ /* We're leaving the context of this function, so zap cfun.
+ It's still in DECL_STRUCT_FUNCTION, and we'll restore it in
+ tree_rest_of_compilation. */
+ set_cfun (NULL);
+
+ current_function_decl = NULL_TREE;
+
+ cgraph_node::finalize_function (thunk_fndecl, true);
+
+ /* We share the symbols in the formal argument list with other entry
+ points and the master function. Clear them so that they are
+ recreated for each function. */
+ for (formal = gfc_sym_get_dummy_args (thunk_sym); formal;
+ formal = formal->next)
+ if (formal->sym != NULL) /* Ignore alternate returns. */
+ {
+ formal->sym->backend_decl = NULL_TREE;
+ if (formal->sym->ts.type == BT_CHARACTER)
+ formal->sym->ts.u.cl->backend_decl = NULL_TREE;
+ }
+
+ if (thunk_sym->attr.function)
+ {
+ if (thunk_sym->ts.type == BT_CHARACTER)
+ thunk_sym->ts.u.cl->backend_decl = NULL_TREE;
+ if (thunk_sym->result->ts.type == BT_CHARACTER)
+ thunk_sym->result->ts.u.cl->backend_decl = NULL_TREE;
+ }
+ }
+
+ gfc_restore_backend_locus (&old_loc);
+}
+
+
+/* Create a decl for a function, and create any thunks for alternate entry
+ points. If global is true, generate the function in the global binding
+ level, otherwise in the current binding level (which can be global). */
+
+void
+gfc_create_function_decl (gfc_namespace * ns, bool global)
+{
+ /* Create a declaration for the master function. */
+ build_function_decl (ns->proc_name, global);
+
+ /* Compile the entry thunks. */
+ if (ns->entries)
+ build_entry_thunks (ns, global);
+
+ /* Now create the read argument list. */
+ create_function_arglist (ns->proc_name);
+
+ if (ns->omp_declare_simd)
+ gfc_trans_omp_declare_simd (ns);
+
+ /* Handle 'declare variant' directives. The applicable directives might
+ be declared in a parent namespace, so this needs to be called even if
+ there are no local directives. */
+ if (flag_openmp)
+ gfc_trans_omp_declare_variant (ns);
+}
+
+/* Return the decl used to hold the function return value. If
+ parent_flag is set, the context is the parent_scope. */
+
+tree
+gfc_get_fake_result_decl (gfc_symbol * sym, int parent_flag)
+{
+ tree decl;
+ tree length;
+ tree this_fake_result_decl;
+ tree this_function_decl;
+
+ char name[GFC_MAX_SYMBOL_LEN + 10];
+
+ if (parent_flag)
+ {
+ this_fake_result_decl = parent_fake_result_decl;
+ this_function_decl = DECL_CONTEXT (current_function_decl);
+ }
+ else
+ {
+ this_fake_result_decl = current_fake_result_decl;
+ this_function_decl = current_function_decl;
+ }
+
+ if (sym
+ && sym->ns->proc_name->backend_decl == this_function_decl
+ && sym->ns->proc_name->attr.entry_master
+ && sym != sym->ns->proc_name)
+ {
+ tree t = NULL, var;
+ if (this_fake_result_decl != NULL)
+ for (t = TREE_CHAIN (this_fake_result_decl); t; t = TREE_CHAIN (t))
+ if (strcmp (IDENTIFIER_POINTER (TREE_PURPOSE (t)), sym->name) == 0)
+ break;
+ if (t)
+ return TREE_VALUE (t);
+ decl = gfc_get_fake_result_decl (sym->ns->proc_name, parent_flag);
+
+ if (parent_flag)
+ this_fake_result_decl = parent_fake_result_decl;
+ else
+ this_fake_result_decl = current_fake_result_decl;
+
+ if (decl && sym->ns->proc_name->attr.mixed_entry_master)
+ {
+ tree field;
+
+ for (field = TYPE_FIELDS (TREE_TYPE (decl));
+ field; field = DECL_CHAIN (field))
+ if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)),
+ sym->name) == 0)
+ break;
+
+ gcc_assert (field != NULL_TREE);
+ decl = fold_build3_loc (input_location, COMPONENT_REF,
+ TREE_TYPE (field), decl, field, NULL_TREE);
+ }
+
+ var = create_tmp_var_raw (TREE_TYPE (decl), sym->name);
+ if (parent_flag)
+ gfc_add_decl_to_parent_function (var);
+ else
+ gfc_add_decl_to_function (var);
+
+ SET_DECL_VALUE_EXPR (var, decl);
+ DECL_HAS_VALUE_EXPR_P (var) = 1;
+ GFC_DECL_RESULT (var) = 1;
+
+ TREE_CHAIN (this_fake_result_decl)
+ = tree_cons (get_identifier (sym->name), var,
+ TREE_CHAIN (this_fake_result_decl));
+ return var;
+ }
+
+ if (this_fake_result_decl != NULL_TREE)
+ return TREE_VALUE (this_fake_result_decl);
+
+ /* Only when gfc_get_fake_result_decl is called by gfc_trans_return,
+ sym is NULL. */
+ if (!sym)
+ return NULL_TREE;
+
+ if (sym->ts.type == BT_CHARACTER)
+ {
+ if (sym->ts.u.cl->backend_decl == NULL_TREE)
+ length = gfc_create_string_length (sym);
+ else
+ length = sym->ts.u.cl->backend_decl;
+ if (VAR_P (length) && DECL_CONTEXT (length) == NULL_TREE)
+ gfc_add_decl_to_function (length);
+ }
+
+ if (gfc_return_by_reference (sym))
+ {
+ decl = DECL_ARGUMENTS (this_function_decl);
+
+ if (sym->ns->proc_name->backend_decl == this_function_decl
+ && sym->ns->proc_name->attr.entry_master)
+ decl = DECL_CHAIN (decl);
+
+ TREE_USED (decl) = 1;
+ if (sym->as)
+ decl = gfc_build_dummy_array_decl (sym, decl);
+ }
+ else
+ {
+ sprintf (name, "__result_%.20s",
+ IDENTIFIER_POINTER (DECL_NAME (this_function_decl)));
+
+ if (!sym->attr.mixed_entry_master && sym->attr.function)
+ decl = build_decl (DECL_SOURCE_LOCATION (this_function_decl),
+ VAR_DECL, get_identifier (name),
+ gfc_sym_type (sym));
+ else
+ decl = build_decl (DECL_SOURCE_LOCATION (this_function_decl),
+ VAR_DECL, get_identifier (name),
+ TREE_TYPE (TREE_TYPE (this_function_decl)));
+ DECL_ARTIFICIAL (decl) = 1;
+ DECL_EXTERNAL (decl) = 0;
+ TREE_PUBLIC (decl) = 0;
+ TREE_USED (decl) = 1;
+ GFC_DECL_RESULT (decl) = 1;
+ TREE_ADDRESSABLE (decl) = 1;
+
+ layout_decl (decl, 0);
+ gfc_finish_decl_attrs (decl, &sym->attr);
+
+ if (parent_flag)
+ gfc_add_decl_to_parent_function (decl);
+ else
+ gfc_add_decl_to_function (decl);
+ }
+
+ if (parent_flag)
+ parent_fake_result_decl = build_tree_list (NULL, decl);
+ else
+ current_fake_result_decl = build_tree_list (NULL, decl);
+
+ if (sym->attr.assign)
+ DECL_LANG_SPECIFIC (decl) = DECL_LANG_SPECIFIC (sym->backend_decl);
+
+ return decl;
+}
+
+
+/* Builds a function decl. The remaining parameters are the types of the
+ function arguments. Negative nargs indicates a varargs function. */
+
+static tree
+build_library_function_decl_1 (tree name, const char *spec,
+ tree rettype, int nargs, va_list p)
+{
+ vec<tree, va_gc> *arglist;
+ tree fntype;
+ tree fndecl;
+ int n;
+
+ /* Library functions must be declared with global scope. */
+ gcc_assert (current_function_decl == NULL_TREE);
+
+ /* Create a list of the argument types. */
+ vec_alloc (arglist, abs (nargs));
+ for (n = abs (nargs); n > 0; n--)
+ {
+ tree argtype = va_arg (p, tree);
+ arglist->quick_push (argtype);
+ }
+
+ /* Build the function type and decl. */
+ if (nargs >= 0)
+ fntype = build_function_type_vec (rettype, arglist);
+ else
+ fntype = build_varargs_function_type_vec (rettype, arglist);
+ if (spec)
+ {
+ tree attr_args = build_tree_list (NULL_TREE,
+ build_string (strlen (spec), spec));
+ tree attrs = tree_cons (get_identifier ("fn spec"),
+ attr_args, TYPE_ATTRIBUTES (fntype));
+ fntype = build_type_attribute_variant (fntype, attrs);
+ }
+ fndecl = build_decl (input_location,
+ FUNCTION_DECL, name, fntype);
+
+ /* Mark this decl as external. */
+ DECL_EXTERNAL (fndecl) = 1;
+ TREE_PUBLIC (fndecl) = 1;
+
+ pushdecl (fndecl);
+
+ rest_of_decl_compilation (fndecl, 1, 0);
+
+ return fndecl;
+}
+
+/* Builds a function decl. The remaining parameters are the types of the
+ function arguments. Negative nargs indicates a varargs function. */
+
+tree
+gfc_build_library_function_decl (tree name, tree rettype, int nargs, ...)
+{
+ tree ret;
+ va_list args;
+ va_start (args, nargs);
+ ret = build_library_function_decl_1 (name, NULL, rettype, nargs, args);
+ va_end (args);
+ return ret;
+}
+
+/* Builds a function decl. The remaining parameters are the types of the
+ function arguments. Negative nargs indicates a varargs function.
+ The SPEC parameter specifies the function argument and return type
+ specification according to the fnspec function type attribute. */
+
+tree
+gfc_build_library_function_decl_with_spec (tree name, const char *spec,
+ tree rettype, int nargs, ...)
+{
+ tree ret;
+ va_list args;
+ va_start (args, nargs);
+ if (flag_checking)
+ {
+ attr_fnspec fnspec (spec, strlen (spec));
+ fnspec.verify ();
+ }
+ ret = build_library_function_decl_1 (name, spec, rettype, nargs, args);
+ va_end (args);
+ return ret;
+}
+
+static void
+gfc_build_intrinsic_function_decls (void)
+{
+ tree gfc_int4_type_node = gfc_get_int_type (4);
+ tree gfc_pint4_type_node = build_pointer_type (gfc_int4_type_node);
+ tree gfc_int8_type_node = gfc_get_int_type (8);
+ tree gfc_pint8_type_node = build_pointer_type (gfc_int8_type_node);
+ tree gfc_int16_type_node = gfc_get_int_type (16);
+ tree gfc_logical4_type_node = gfc_get_logical_type (4);
+ tree pchar1_type_node = gfc_get_pchar_type (1);
+ tree pchar4_type_node = gfc_get_pchar_type (4);
+
+ /* String functions. */
+ gfor_fndecl_compare_string = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("compare_string")), ". . R . R ",
+ integer_type_node, 4, gfc_charlen_type_node, pchar1_type_node,
+ gfc_charlen_type_node, pchar1_type_node);
+ DECL_PURE_P (gfor_fndecl_compare_string) = 1;
+ TREE_NOTHROW (gfor_fndecl_compare_string) = 1;
+
+ gfor_fndecl_concat_string = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("concat_string")), ". . W . R . R ",
+ void_type_node, 6, gfc_charlen_type_node, pchar1_type_node,
+ gfc_charlen_type_node, pchar1_type_node,
+ gfc_charlen_type_node, pchar1_type_node);
+ TREE_NOTHROW (gfor_fndecl_concat_string) = 1;
+
+ gfor_fndecl_string_len_trim = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_len_trim")), ". . R ",
+ gfc_charlen_type_node, 2, gfc_charlen_type_node, pchar1_type_node);
+ DECL_PURE_P (gfor_fndecl_string_len_trim) = 1;
+ TREE_NOTHROW (gfor_fndecl_string_len_trim) = 1;
+
+ gfor_fndecl_string_index = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_index")), ". . R . R . ",
+ gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar1_type_node,
+ gfc_charlen_type_node, pchar1_type_node, gfc_logical4_type_node);
+ DECL_PURE_P (gfor_fndecl_string_index) = 1;
+ TREE_NOTHROW (gfor_fndecl_string_index) = 1;
+
+ gfor_fndecl_string_scan = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_scan")), ". . R . R . ",
+ gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar1_type_node,
+ gfc_charlen_type_node, pchar1_type_node, gfc_logical4_type_node);
+ DECL_PURE_P (gfor_fndecl_string_scan) = 1;
+ TREE_NOTHROW (gfor_fndecl_string_scan) = 1;
+
+ gfor_fndecl_string_verify = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_verify")), ". . R . R . ",
+ gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar1_type_node,
+ gfc_charlen_type_node, pchar1_type_node, gfc_logical4_type_node);
+ DECL_PURE_P (gfor_fndecl_string_verify) = 1;
+ TREE_NOTHROW (gfor_fndecl_string_verify) = 1;
+
+ gfor_fndecl_string_trim = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_trim")), ". W w . R ",
+ void_type_node, 4, build_pointer_type (gfc_charlen_type_node),
+ build_pointer_type (pchar1_type_node), gfc_charlen_type_node,
+ pchar1_type_node);
+
+ gfor_fndecl_string_minmax = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_minmax")), ". W w . R ",
+ void_type_node, -4, build_pointer_type (gfc_charlen_type_node),
+ build_pointer_type (pchar1_type_node), integer_type_node,
+ integer_type_node);
+
+ gfor_fndecl_adjustl = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("adjustl")), ". W . R ",
+ void_type_node, 3, pchar1_type_node, gfc_charlen_type_node,
+ pchar1_type_node);
+ TREE_NOTHROW (gfor_fndecl_adjustl) = 1;
+
+ gfor_fndecl_adjustr = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("adjustr")), ". W . R ",
+ void_type_node, 3, pchar1_type_node, gfc_charlen_type_node,
+ pchar1_type_node);
+ TREE_NOTHROW (gfor_fndecl_adjustr) = 1;
+
+ gfor_fndecl_select_string = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("select_string")), ". R . R . ",
+ integer_type_node, 4, pvoid_type_node, integer_type_node,
+ pchar1_type_node, gfc_charlen_type_node);
+ DECL_PURE_P (gfor_fndecl_select_string) = 1;
+ TREE_NOTHROW (gfor_fndecl_select_string) = 1;
+
+ gfor_fndecl_compare_string_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("compare_string_char4")), ". . R . R ",
+ integer_type_node, 4, gfc_charlen_type_node, pchar4_type_node,
+ gfc_charlen_type_node, pchar4_type_node);
+ DECL_PURE_P (gfor_fndecl_compare_string_char4) = 1;
+ TREE_NOTHROW (gfor_fndecl_compare_string_char4) = 1;
+
+ gfor_fndecl_concat_string_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("concat_string_char4")), ". . W . R . R ",
+ void_type_node, 6, gfc_charlen_type_node, pchar4_type_node,
+ gfc_charlen_type_node, pchar4_type_node, gfc_charlen_type_node,
+ pchar4_type_node);
+ TREE_NOTHROW (gfor_fndecl_concat_string_char4) = 1;
+
+ gfor_fndecl_string_len_trim_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_len_trim_char4")), ". . R ",
+ gfc_charlen_type_node, 2, gfc_charlen_type_node, pchar4_type_node);
+ DECL_PURE_P (gfor_fndecl_string_len_trim_char4) = 1;
+ TREE_NOTHROW (gfor_fndecl_string_len_trim_char4) = 1;
+
+ gfor_fndecl_string_index_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_index_char4")), ". . R . R . ",
+ gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar4_type_node,
+ gfc_charlen_type_node, pchar4_type_node, gfc_logical4_type_node);
+ DECL_PURE_P (gfor_fndecl_string_index_char4) = 1;
+ TREE_NOTHROW (gfor_fndecl_string_index_char4) = 1;
+
+ gfor_fndecl_string_scan_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_scan_char4")), ". . R . R . ",
+ gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar4_type_node,
+ gfc_charlen_type_node, pchar4_type_node, gfc_logical4_type_node);
+ DECL_PURE_P (gfor_fndecl_string_scan_char4) = 1;
+ TREE_NOTHROW (gfor_fndecl_string_scan_char4) = 1;
+
+ gfor_fndecl_string_verify_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_verify_char4")), ". . R . R . ",
+ gfc_charlen_type_node, 5, gfc_charlen_type_node, pchar4_type_node,
+ gfc_charlen_type_node, pchar4_type_node, gfc_logical4_type_node);
+ DECL_PURE_P (gfor_fndecl_string_verify_char4) = 1;
+ TREE_NOTHROW (gfor_fndecl_string_verify_char4) = 1;
+
+ gfor_fndecl_string_trim_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_trim_char4")), ". W w . R ",
+ void_type_node, 4, build_pointer_type (gfc_charlen_type_node),
+ build_pointer_type (pchar4_type_node), gfc_charlen_type_node,
+ pchar4_type_node);
+
+ gfor_fndecl_string_minmax_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("string_minmax_char4")), ". W w . R ",
+ void_type_node, -4, build_pointer_type (gfc_charlen_type_node),
+ build_pointer_type (pchar4_type_node), integer_type_node,
+ integer_type_node);
+
+ gfor_fndecl_adjustl_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("adjustl_char4")), ". W . R ",
+ void_type_node, 3, pchar4_type_node, gfc_charlen_type_node,
+ pchar4_type_node);
+ TREE_NOTHROW (gfor_fndecl_adjustl_char4) = 1;
+
+ gfor_fndecl_adjustr_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("adjustr_char4")), ". W . R ",
+ void_type_node, 3, pchar4_type_node, gfc_charlen_type_node,
+ pchar4_type_node);
+ TREE_NOTHROW (gfor_fndecl_adjustr_char4) = 1;
+
+ gfor_fndecl_select_string_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("select_string_char4")), ". R . R . ",
+ integer_type_node, 4, pvoid_type_node, integer_type_node,
+ pvoid_type_node, gfc_charlen_type_node);
+ DECL_PURE_P (gfor_fndecl_select_string_char4) = 1;
+ TREE_NOTHROW (gfor_fndecl_select_string_char4) = 1;
+
+
+ /* Conversion between character kinds. */
+
+ gfor_fndecl_convert_char1_to_char4 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("convert_char1_to_char4")), ". w . R ",
+ void_type_node, 3, build_pointer_type (pchar4_type_node),
+ gfc_charlen_type_node, pchar1_type_node);
+
+ gfor_fndecl_convert_char4_to_char1 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("convert_char4_to_char1")), ". w . R ",
+ void_type_node, 3, build_pointer_type (pchar1_type_node),
+ gfc_charlen_type_node, pchar4_type_node);
+
+ /* Misc. functions. */
+
+ gfor_fndecl_ttynam = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("ttynam")), ". W . . ",
+ void_type_node, 3, pchar_type_node, gfc_charlen_type_node,
+ integer_type_node);
+
+ gfor_fndecl_fdate = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("fdate")), ". W . ",
+ void_type_node, 2, pchar_type_node, gfc_charlen_type_node);
+
+ gfor_fndecl_ctime = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("ctime")), ". W . . ",
+ void_type_node, 3, pchar_type_node, gfc_charlen_type_node,
+ gfc_int8_type_node);
+
+ gfor_fndecl_random_init = gfc_build_library_function_decl (
+ get_identifier (PREFIX("random_init")),
+ void_type_node, 3, gfc_logical4_type_node, gfc_logical4_type_node,
+ gfc_int4_type_node);
+
+ // gfor_fndecl_caf_rand_init is defined in the lib-coarray section below.
+
+ gfor_fndecl_sc_kind = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("selected_char_kind")), ". . R ",
+ gfc_int4_type_node, 2, gfc_charlen_type_node, pchar_type_node);
+ DECL_PURE_P (gfor_fndecl_sc_kind) = 1;
+ TREE_NOTHROW (gfor_fndecl_sc_kind) = 1;
+
+ gfor_fndecl_si_kind = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("selected_int_kind")), ". R ",
+ gfc_int4_type_node, 1, pvoid_type_node);
+ DECL_PURE_P (gfor_fndecl_si_kind) = 1;
+ TREE_NOTHROW (gfor_fndecl_si_kind) = 1;
+
+ gfor_fndecl_sr_kind = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("selected_real_kind2008")), ". R R ",
+ gfc_int4_type_node, 3, pvoid_type_node, pvoid_type_node,
+ pvoid_type_node);
+ DECL_PURE_P (gfor_fndecl_sr_kind) = 1;
+ TREE_NOTHROW (gfor_fndecl_sr_kind) = 1;
+
+ gfor_fndecl_system_clock4 = gfc_build_library_function_decl (
+ get_identifier (PREFIX("system_clock_4")),
+ void_type_node, 3, gfc_pint4_type_node, gfc_pint4_type_node,
+ gfc_pint4_type_node);
+
+ gfor_fndecl_system_clock8 = gfc_build_library_function_decl (
+ get_identifier (PREFIX("system_clock_8")),
+ void_type_node, 3, gfc_pint8_type_node, gfc_pint8_type_node,
+ gfc_pint8_type_node);
+
+ /* Power functions. */
+ {
+ tree ctype, rtype, itype, jtype;
+ int rkind, ikind, jkind;
+#define NIKINDS 3
+#define NRKINDS 4
+ static int ikinds[NIKINDS] = {4, 8, 16};
+ static int rkinds[NRKINDS] = {4, 8, 10, 16};
+ char name[PREFIX_LEN + 12]; /* _gfortran_pow_?n_?n */
+
+ for (ikind=0; ikind < NIKINDS; ikind++)
+ {
+ itype = gfc_get_int_type (ikinds[ikind]);
+
+ for (jkind=0; jkind < NIKINDS; jkind++)
+ {
+ jtype = gfc_get_int_type (ikinds[jkind]);
+ if (itype && jtype)
+ {
+ sprintf (name, PREFIX("pow_i%d_i%d"), ikinds[ikind],
+ ikinds[jkind]);
+ gfor_fndecl_math_powi[jkind][ikind].integer =
+ gfc_build_library_function_decl (get_identifier (name),
+ jtype, 2, jtype, itype);
+ TREE_READONLY (gfor_fndecl_math_powi[jkind][ikind].integer) = 1;
+ TREE_NOTHROW (gfor_fndecl_math_powi[jkind][ikind].integer) = 1;
+ }
+ }
+
+ for (rkind = 0; rkind < NRKINDS; rkind ++)
+ {
+ rtype = gfc_get_real_type (rkinds[rkind]);
+ if (rtype && itype)
+ {
+ sprintf (name, PREFIX("pow_r%d_i%d"),
+ gfc_type_abi_kind (BT_REAL, rkinds[rkind]),
+ ikinds[ikind]);
+ gfor_fndecl_math_powi[rkind][ikind].real =
+ gfc_build_library_function_decl (get_identifier (name),
+ rtype, 2, rtype, itype);
+ TREE_READONLY (gfor_fndecl_math_powi[rkind][ikind].real) = 1;
+ TREE_NOTHROW (gfor_fndecl_math_powi[rkind][ikind].real) = 1;
+ }
+
+ ctype = gfc_get_complex_type (rkinds[rkind]);
+ if (ctype && itype)
+ {
+ sprintf (name, PREFIX("pow_c%d_i%d"),
+ gfc_type_abi_kind (BT_REAL, rkinds[rkind]),
+ ikinds[ikind]);
+ gfor_fndecl_math_powi[rkind][ikind].cmplx =
+ gfc_build_library_function_decl (get_identifier (name),
+ ctype, 2,ctype, itype);
+ TREE_READONLY (gfor_fndecl_math_powi[rkind][ikind].cmplx) = 1;
+ TREE_NOTHROW (gfor_fndecl_math_powi[rkind][ikind].cmplx) = 1;
+ }
+ }
+ }
+#undef NIKINDS
+#undef NRKINDS
+ }
+
+ gfor_fndecl_math_ishftc4 = gfc_build_library_function_decl (
+ get_identifier (PREFIX("ishftc4")),
+ gfc_int4_type_node, 3, gfc_int4_type_node, gfc_int4_type_node,
+ gfc_int4_type_node);
+ TREE_READONLY (gfor_fndecl_math_ishftc4) = 1;
+ TREE_NOTHROW (gfor_fndecl_math_ishftc4) = 1;
+
+ gfor_fndecl_math_ishftc8 = gfc_build_library_function_decl (
+ get_identifier (PREFIX("ishftc8")),
+ gfc_int8_type_node, 3, gfc_int8_type_node, gfc_int4_type_node,
+ gfc_int4_type_node);
+ TREE_READONLY (gfor_fndecl_math_ishftc8) = 1;
+ TREE_NOTHROW (gfor_fndecl_math_ishftc8) = 1;
+
+ if (gfc_int16_type_node)
+ {
+ gfor_fndecl_math_ishftc16 = gfc_build_library_function_decl (
+ get_identifier (PREFIX("ishftc16")),
+ gfc_int16_type_node, 3, gfc_int16_type_node, gfc_int4_type_node,
+ gfc_int4_type_node);
+ TREE_READONLY (gfor_fndecl_math_ishftc16) = 1;
+ TREE_NOTHROW (gfor_fndecl_math_ishftc16) = 1;
+ }
+
+ /* BLAS functions. */
+ {
+ tree pint = build_pointer_type (integer_type_node);
+ tree ps = build_pointer_type (gfc_get_real_type (gfc_default_real_kind));
+ tree pd = build_pointer_type (gfc_get_real_type (gfc_default_double_kind));
+ tree pc = build_pointer_type (gfc_get_complex_type (gfc_default_real_kind));
+ tree pz = build_pointer_type
+ (gfc_get_complex_type (gfc_default_double_kind));
+
+ gfor_fndecl_sgemm = gfc_build_library_function_decl
+ (get_identifier
+ (flag_underscoring ? "sgemm_" : "sgemm"),
+ void_type_node, 15, pchar_type_node,
+ pchar_type_node, pint, pint, pint, ps, ps, pint,
+ ps, pint, ps, ps, pint, integer_type_node,
+ integer_type_node);
+ gfor_fndecl_dgemm = gfc_build_library_function_decl
+ (get_identifier
+ (flag_underscoring ? "dgemm_" : "dgemm"),
+ void_type_node, 15, pchar_type_node,
+ pchar_type_node, pint, pint, pint, pd, pd, pint,
+ pd, pint, pd, pd, pint, integer_type_node,
+ integer_type_node);
+ gfor_fndecl_cgemm = gfc_build_library_function_decl
+ (get_identifier
+ (flag_underscoring ? "cgemm_" : "cgemm"),
+ void_type_node, 15, pchar_type_node,
+ pchar_type_node, pint, pint, pint, pc, pc, pint,
+ pc, pint, pc, pc, pint, integer_type_node,
+ integer_type_node);
+ gfor_fndecl_zgemm = gfc_build_library_function_decl
+ (get_identifier
+ (flag_underscoring ? "zgemm_" : "zgemm"),
+ void_type_node, 15, pchar_type_node,
+ pchar_type_node, pint, pint, pint, pz, pz, pint,
+ pz, pint, pz, pz, pint, integer_type_node,
+ integer_type_node);
+ }
+
+ /* Other functions. */
+ gfor_fndecl_iargc = gfc_build_library_function_decl (
+ get_identifier (PREFIX ("iargc")), gfc_int4_type_node, 0);
+ TREE_NOTHROW (gfor_fndecl_iargc) = 1;
+
+ gfor_fndecl_kill_sub = gfc_build_library_function_decl (
+ get_identifier (PREFIX ("kill_sub")), void_type_node,
+ 3, gfc_int4_type_node, gfc_int4_type_node, gfc_pint4_type_node);
+
+ gfor_fndecl_kill = gfc_build_library_function_decl (
+ get_identifier (PREFIX ("kill")), gfc_int4_type_node,
+ 2, gfc_int4_type_node, gfc_int4_type_node);
+
+ gfor_fndecl_is_contiguous0 = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("is_contiguous0")), ". R ",
+ gfc_int4_type_node, 1, pvoid_type_node);
+ DECL_PURE_P (gfor_fndecl_is_contiguous0) = 1;
+ TREE_NOTHROW (gfor_fndecl_is_contiguous0) = 1;
+}
+
+
+/* Make prototypes for runtime library functions. */
+
+void
+gfc_build_builtin_function_decls (void)
+{
+ tree gfc_int8_type_node = gfc_get_int_type (8);
+
+ gfor_fndecl_stop_numeric = gfc_build_library_function_decl (
+ get_identifier (PREFIX("stop_numeric")),
+ void_type_node, 2, integer_type_node, boolean_type_node);
+ /* STOP doesn't return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_stop_numeric) = 1;
+
+ gfor_fndecl_stop_string = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("stop_string")), ". R . . ",
+ void_type_node, 3, pchar_type_node, size_type_node,
+ boolean_type_node);
+ /* STOP doesn't return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_stop_string) = 1;
+
+ gfor_fndecl_error_stop_numeric = gfc_build_library_function_decl (
+ get_identifier (PREFIX("error_stop_numeric")),
+ void_type_node, 2, integer_type_node, boolean_type_node);
+ /* ERROR STOP doesn't return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_error_stop_numeric) = 1;
+
+ gfor_fndecl_error_stop_string = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("error_stop_string")), ". R . . ",
+ void_type_node, 3, pchar_type_node, size_type_node,
+ boolean_type_node);
+ /* ERROR STOP doesn't return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_error_stop_string) = 1;
+
+ gfor_fndecl_pause_numeric = gfc_build_library_function_decl (
+ get_identifier (PREFIX("pause_numeric")),
+ void_type_node, 1, gfc_int8_type_node);
+
+ gfor_fndecl_pause_string = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("pause_string")), ". R . ",
+ void_type_node, 2, pchar_type_node, size_type_node);
+
+ gfor_fndecl_runtime_error = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("runtime_error")), ". R ",
+ void_type_node, -1, pchar_type_node);
+ /* The runtime_error function does not return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_runtime_error) = 1;
+
+ gfor_fndecl_runtime_error_at = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("runtime_error_at")), ". R R ",
+ void_type_node, -2, pchar_type_node, pchar_type_node);
+ /* The runtime_error_at function does not return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_runtime_error_at) = 1;
+
+ gfor_fndecl_runtime_warning_at = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("runtime_warning_at")), ". R R ",
+ void_type_node, -2, pchar_type_node, pchar_type_node);
+
+ gfor_fndecl_generate_error = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("generate_error")), ". R . R ",
+ void_type_node, 3, pvoid_type_node, integer_type_node,
+ pchar_type_node);
+
+ gfor_fndecl_os_error_at = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("os_error_at")), ". R R ",
+ void_type_node, -2, pchar_type_node, pchar_type_node);
+ /* The os_error_at function does not return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_os_error_at) = 1;
+
+ gfor_fndecl_set_args = gfc_build_library_function_decl (
+ get_identifier (PREFIX("set_args")),
+ void_type_node, 2, integer_type_node,
+ build_pointer_type (pchar_type_node));
+
+ gfor_fndecl_set_fpe = gfc_build_library_function_decl (
+ get_identifier (PREFIX("set_fpe")),
+ void_type_node, 1, integer_type_node);
+
+ gfor_fndecl_ieee_procedure_entry = gfc_build_library_function_decl (
+ get_identifier (PREFIX("ieee_procedure_entry")),
+ void_type_node, 1, pvoid_type_node);
+
+ gfor_fndecl_ieee_procedure_exit = gfc_build_library_function_decl (
+ get_identifier (PREFIX("ieee_procedure_exit")),
+ void_type_node, 1, pvoid_type_node);
+
+ /* Keep the array dimension in sync with the call, later in this file. */
+ gfor_fndecl_set_options = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("set_options")), ". . R ",
+ void_type_node, 2, integer_type_node,
+ build_pointer_type (integer_type_node));
+
+ gfor_fndecl_set_convert = gfc_build_library_function_decl (
+ get_identifier (PREFIX("set_convert")),
+ void_type_node, 1, integer_type_node);
+
+ gfor_fndecl_set_record_marker = gfc_build_library_function_decl (
+ get_identifier (PREFIX("set_record_marker")),
+ void_type_node, 1, integer_type_node);
+
+ gfor_fndecl_set_max_subrecord_length = gfc_build_library_function_decl (
+ get_identifier (PREFIX("set_max_subrecord_length")),
+ void_type_node, 1, integer_type_node);
+
+ gfor_fndecl_in_pack = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("internal_pack")), ". r ",
+ pvoid_type_node, 1, pvoid_type_node);
+
+ gfor_fndecl_in_unpack = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("internal_unpack")), ". w R ",
+ void_type_node, 2, pvoid_type_node, pvoid_type_node);
+
+ gfor_fndecl_associated = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("associated")), ". R R ",
+ integer_type_node, 2, ppvoid_type_node, ppvoid_type_node);
+ DECL_PURE_P (gfor_fndecl_associated) = 1;
+ TREE_NOTHROW (gfor_fndecl_associated) = 1;
+
+ /* Coarray library calls. */
+ if (flag_coarray == GFC_FCOARRAY_LIB)
+ {
+ tree pint_type, pppchar_type;
+
+ pint_type = build_pointer_type (integer_type_node);
+ pppchar_type
+ = build_pointer_type (build_pointer_type (pchar_type_node));
+
+ gfor_fndecl_caf_init = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_init")), ". W W ",
+ void_type_node, 2, pint_type, pppchar_type);
+
+ gfor_fndecl_caf_finalize = gfc_build_library_function_decl (
+ get_identifier (PREFIX("caf_finalize")), void_type_node, 0);
+
+ gfor_fndecl_caf_this_image = gfc_build_library_function_decl (
+ get_identifier (PREFIX("caf_this_image")), integer_type_node,
+ 1, integer_type_node);
+
+ gfor_fndecl_caf_num_images = gfc_build_library_function_decl (
+ get_identifier (PREFIX("caf_num_images")), integer_type_node,
+ 2, integer_type_node, integer_type_node);
+
+ gfor_fndecl_caf_register = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_register")), ". . . W w w w . ",
+ void_type_node, 7,
+ size_type_node, integer_type_node, ppvoid_type_node, pvoid_type_node,
+ pint_type, pchar_type_node, size_type_node);
+
+ gfor_fndecl_caf_deregister = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_deregister")), ". W . w w . ",
+ void_type_node, 5,
+ ppvoid_type_node, integer_type_node, pint_type, pchar_type_node,
+ size_type_node);
+
+ gfor_fndecl_caf_get = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_get")), ". r . . r r w . . . w ",
+ void_type_node, 10,
+ pvoid_type_node, size_type_node, integer_type_node, pvoid_type_node,
+ pvoid_type_node, pvoid_type_node, integer_type_node, integer_type_node,
+ boolean_type_node, pint_type);
+
+ gfor_fndecl_caf_send = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_send")), ". r . . w r r . . . w ",
+ void_type_node, 11,
+ pvoid_type_node, size_type_node, integer_type_node, pvoid_type_node,
+ pvoid_type_node, pvoid_type_node, integer_type_node, integer_type_node,
+ boolean_type_node, pint_type, pvoid_type_node);
+
+ gfor_fndecl_caf_sendget = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_sendget")), ". r . . w r r . . r r . . . w ",
+ void_type_node, 14, pvoid_type_node, size_type_node, integer_type_node,
+ pvoid_type_node, pvoid_type_node, pvoid_type_node, size_type_node,
+ integer_type_node, pvoid_type_node, pvoid_type_node, integer_type_node,
+ integer_type_node, boolean_type_node, integer_type_node);
+
+ gfor_fndecl_caf_get_by_ref = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_get_by_ref")), ". r . w r . . . . w . ",
+ void_type_node,
+ 10, pvoid_type_node, integer_type_node, pvoid_type_node,
+ pvoid_type_node, integer_type_node, integer_type_node,
+ boolean_type_node, boolean_type_node, pint_type, integer_type_node);
+
+ gfor_fndecl_caf_send_by_ref = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_send_by_ref")), ". r . r r . . . . w . ",
+ void_type_node, 10, pvoid_type_node, integer_type_node, pvoid_type_node,
+ pvoid_type_node, integer_type_node, integer_type_node,
+ boolean_type_node, boolean_type_node, pint_type, integer_type_node);
+
+ gfor_fndecl_caf_sendget_by_ref
+ = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_sendget_by_ref")),
+ ". r . r r . r . . . w w . . ",
+ void_type_node, 13, pvoid_type_node, integer_type_node,
+ pvoid_type_node, pvoid_type_node, integer_type_node,
+ pvoid_type_node, integer_type_node, integer_type_node,
+ boolean_type_node, pint_type, pint_type, integer_type_node,
+ integer_type_node);
+
+ gfor_fndecl_caf_sync_all = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_sync_all")), ". w w . ", void_type_node,
+ 3, pint_type, pchar_type_node, size_type_node);
+
+ gfor_fndecl_caf_sync_memory = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_sync_memory")), ". w w . ", void_type_node,
+ 3, pint_type, pchar_type_node, size_type_node);
+
+ gfor_fndecl_caf_sync_images = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_sync_images")), ". . r w w . ", void_type_node,
+ 5, integer_type_node, pint_type, pint_type,
+ pchar_type_node, size_type_node);
+
+ gfor_fndecl_caf_error_stop = gfc_build_library_function_decl (
+ get_identifier (PREFIX("caf_error_stop")),
+ void_type_node, 1, integer_type_node);
+ /* CAF's ERROR STOP doesn't return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_caf_error_stop) = 1;
+
+ gfor_fndecl_caf_error_stop_str = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_error_stop_str")), ". r . ",
+ void_type_node, 2, pchar_type_node, size_type_node);
+ /* CAF's ERROR STOP doesn't return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_caf_error_stop_str) = 1;
+
+ gfor_fndecl_caf_stop_numeric = gfc_build_library_function_decl (
+ get_identifier (PREFIX("caf_stop_numeric")),
+ void_type_node, 1, integer_type_node);
+ /* CAF's STOP doesn't return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_caf_stop_numeric) = 1;
+
+ gfor_fndecl_caf_stop_str = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_stop_str")), ". r . ",
+ void_type_node, 2, pchar_type_node, size_type_node);
+ /* CAF's STOP doesn't return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_caf_stop_str) = 1;
+
+ gfor_fndecl_caf_atomic_def = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_atomic_define")), ". r . . w w . . ",
+ void_type_node, 7, pvoid_type_node, size_type_node, integer_type_node,
+ pvoid_type_node, pint_type, integer_type_node, integer_type_node);
+
+ gfor_fndecl_caf_atomic_ref = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_atomic_ref")), ". r . . w w . . ",
+ void_type_node, 7, pvoid_type_node, size_type_node, integer_type_node,
+ pvoid_type_node, pint_type, integer_type_node, integer_type_node);
+
+ gfor_fndecl_caf_atomic_cas = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_atomic_cas")), ". r . . w r r w . . ",
+ void_type_node, 9, pvoid_type_node, size_type_node, integer_type_node,
+ pvoid_type_node, pvoid_type_node, pvoid_type_node, pint_type,
+ integer_type_node, integer_type_node);
+
+ gfor_fndecl_caf_atomic_op = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_atomic_op")), ". . r . . r w w . . ",
+ void_type_node, 9, integer_type_node, pvoid_type_node, size_type_node,
+ integer_type_node, pvoid_type_node, pvoid_type_node, pint_type,
+ integer_type_node, integer_type_node);
+
+ gfor_fndecl_caf_lock = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_lock")), ". r . . w w w . ",
+ void_type_node, 7, pvoid_type_node, size_type_node, integer_type_node,
+ pint_type, pint_type, pchar_type_node, size_type_node);
+
+ gfor_fndecl_caf_unlock = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_unlock")), ". r . . w w . ",
+ void_type_node, 6, pvoid_type_node, size_type_node, integer_type_node,
+ pint_type, pchar_type_node, size_type_node);
+
+ gfor_fndecl_caf_event_post = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_event_post")), ". r . . w w . ",
+ void_type_node, 6, pvoid_type_node, size_type_node, integer_type_node,
+ pint_type, pchar_type_node, size_type_node);
+
+ gfor_fndecl_caf_event_wait = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_event_wait")), ". r . . w w . ",
+ void_type_node, 6, pvoid_type_node, size_type_node, integer_type_node,
+ pint_type, pchar_type_node, size_type_node);
+
+ gfor_fndecl_caf_event_query = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_event_query")), ". r . . w w ",
+ void_type_node, 5, pvoid_type_node, size_type_node, integer_type_node,
+ pint_type, pint_type);
+
+ gfor_fndecl_caf_fail_image = gfc_build_library_function_decl (
+ get_identifier (PREFIX("caf_fail_image")), void_type_node, 0);
+ /* CAF's FAIL doesn't return. */
+ TREE_THIS_VOLATILE (gfor_fndecl_caf_fail_image) = 1;
+
+ gfor_fndecl_caf_failed_images
+ = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_failed_images")), ". w . r ",
+ void_type_node, 3, pvoid_type_node, ppvoid_type_node,
+ integer_type_node);
+
+ gfor_fndecl_caf_form_team
+ = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_form_team")), ". . W . ",
+ void_type_node, 3, integer_type_node, ppvoid_type_node,
+ integer_type_node);
+
+ gfor_fndecl_caf_change_team
+ = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_change_team")), ". w . ",
+ void_type_node, 2, ppvoid_type_node,
+ integer_type_node);
+
+ gfor_fndecl_caf_end_team
+ = gfc_build_library_function_decl (
+ get_identifier (PREFIX("caf_end_team")), void_type_node, 0);
+
+ gfor_fndecl_caf_get_team
+ = gfc_build_library_function_decl (
+ get_identifier (PREFIX("caf_get_team")),
+ void_type_node, 1, integer_type_node);
+
+ gfor_fndecl_caf_sync_team
+ = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_sync_team")), ". r . ",
+ void_type_node, 2, ppvoid_type_node,
+ integer_type_node);
+
+ gfor_fndecl_caf_team_number
+ = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_team_number")), ". r ",
+ integer_type_node, 1, integer_type_node);
+
+ gfor_fndecl_caf_image_status
+ = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_image_status")), ". . r ",
+ integer_type_node, 2, integer_type_node, ppvoid_type_node);
+
+ gfor_fndecl_caf_stopped_images
+ = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_stopped_images")), ". w r r ",
+ void_type_node, 3, pvoid_type_node, ppvoid_type_node,
+ integer_type_node);
+
+ gfor_fndecl_co_broadcast = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_co_broadcast")), ". w . w w . ",
+ void_type_node, 5, pvoid_type_node, integer_type_node,
+ pint_type, pchar_type_node, size_type_node);
+
+ gfor_fndecl_co_max = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_co_max")), ". w . w w . . ",
+ void_type_node, 6, pvoid_type_node, integer_type_node,
+ pint_type, pchar_type_node, integer_type_node, size_type_node);
+
+ gfor_fndecl_co_min = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_co_min")), ". w . w w . . ",
+ void_type_node, 6, pvoid_type_node, integer_type_node,
+ pint_type, pchar_type_node, integer_type_node, size_type_node);
+
+ gfor_fndecl_co_reduce = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_co_reduce")), ". w r . . w w . . ",
+ void_type_node, 8, pvoid_type_node,
+ build_pointer_type (build_varargs_function_type_list (void_type_node,
+ NULL_TREE)),
+ integer_type_node, integer_type_node, pint_type, pchar_type_node,
+ integer_type_node, size_type_node);
+
+ gfor_fndecl_co_sum = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_co_sum")), ". w . w w . ",
+ void_type_node, 5, pvoid_type_node, integer_type_node,
+ pint_type, pchar_type_node, size_type_node);
+
+ gfor_fndecl_caf_is_present = gfc_build_library_function_decl_with_spec (
+ get_identifier (PREFIX("caf_is_present")), ". r . r ",
+ integer_type_node, 3, pvoid_type_node, integer_type_node,
+ pvoid_type_node);
+
+ gfor_fndecl_caf_random_init = gfc_build_library_function_decl (
+ get_identifier (PREFIX("caf_random_init")),
+ void_type_node, 2, logical_type_node, logical_type_node);
+ }
+
+ gfc_build_intrinsic_function_decls ();
+ gfc_build_intrinsic_lib_fndecls ();
+ gfc_build_io_library_fndecls ();
+}
+
+
+/* Evaluate the length of dummy character variables. */
+
+static void
+gfc_trans_dummy_character (gfc_symbol *sym, gfc_charlen *cl,
+ gfc_wrapped_block *block)
+{
+ stmtblock_t init;
+
+ gfc_finish_decl (cl->backend_decl);
+
+ gfc_start_block (&init);
+
+ /* Evaluate the string length expression. */
+ gfc_conv_string_length (cl, NULL, &init);
+
+ gfc_trans_vla_type_sizes (sym, &init);
+
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE);
+}
+
+
+/* Allocate and cleanup an automatic character variable. */
+
+static void
+gfc_trans_auto_character_variable (gfc_symbol * sym, gfc_wrapped_block * block)
+{
+ stmtblock_t init;
+ tree decl;
+ tree tmp;
+
+ gcc_assert (sym->backend_decl);
+ gcc_assert (sym->ts.u.cl && sym->ts.u.cl->length);
+
+ gfc_init_block (&init);
+
+ /* Evaluate the string length expression. */
+ gfc_conv_string_length (sym->ts.u.cl, NULL, &init);
+
+ gfc_trans_vla_type_sizes (sym, &init);
+
+ decl = sym->backend_decl;
+
+ /* Emit a DECL_EXPR for this variable, which will cause the
+ gimplifier to allocate storage, and all that good stuff. */
+ tmp = fold_build1_loc (input_location, DECL_EXPR, TREE_TYPE (decl), decl);
+ gfc_add_expr_to_block (&init, tmp);
+
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE);
+}
+
+/* Set the initial value of ASSIGN statement auxiliary variable explicitly. */
+
+static void
+gfc_trans_assign_aux_var (gfc_symbol * sym, gfc_wrapped_block * block)
+{
+ stmtblock_t init;
+
+ gcc_assert (sym->backend_decl);
+ gfc_start_block (&init);
+
+ /* Set the initial value to length. See the comments in
+ function gfc_add_assign_aux_vars in this file. */
+ gfc_add_modify (&init, GFC_DECL_STRING_LEN (sym->backend_decl),
+ build_int_cst (gfc_charlen_type_node, -2));
+
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE);
+}
+
+static void
+gfc_trans_vla_one_sizepos (tree *tp, stmtblock_t *body)
+{
+ tree t = *tp, var, val;
+
+ if (t == NULL || t == error_mark_node)
+ return;
+ if (TREE_CONSTANT (t) || DECL_P (t))
+ return;
+
+ if (TREE_CODE (t) == SAVE_EXPR)
+ {
+ if (SAVE_EXPR_RESOLVED_P (t))
+ {
+ *tp = TREE_OPERAND (t, 0);
+ return;
+ }
+ val = TREE_OPERAND (t, 0);
+ }
+ else
+ val = t;
+
+ var = gfc_create_var_np (TREE_TYPE (t), NULL);
+ gfc_add_decl_to_function (var);
+ gfc_add_modify (body, var, unshare_expr (val));
+ if (TREE_CODE (t) == SAVE_EXPR)
+ TREE_OPERAND (t, 0) = var;
+ *tp = var;
+}
+
+static void
+gfc_trans_vla_type_sizes_1 (tree type, stmtblock_t *body)
+{
+ tree t;
+
+ if (type == NULL || type == error_mark_node)
+ return;
+
+ type = TYPE_MAIN_VARIANT (type);
+
+ if (TREE_CODE (type) == INTEGER_TYPE)
+ {
+ gfc_trans_vla_one_sizepos (&TYPE_MIN_VALUE (type), body);
+ gfc_trans_vla_one_sizepos (&TYPE_MAX_VALUE (type), body);
+
+ for (t = TYPE_NEXT_VARIANT (type); t; t = TYPE_NEXT_VARIANT (t))
+ {
+ TYPE_MIN_VALUE (t) = TYPE_MIN_VALUE (type);
+ TYPE_MAX_VALUE (t) = TYPE_MAX_VALUE (type);
+ }
+ }
+ else if (TREE_CODE (type) == ARRAY_TYPE)
+ {
+ gfc_trans_vla_type_sizes_1 (TREE_TYPE (type), body);
+ gfc_trans_vla_type_sizes_1 (TYPE_DOMAIN (type), body);
+ gfc_trans_vla_one_sizepos (&TYPE_SIZE (type), body);
+ gfc_trans_vla_one_sizepos (&TYPE_SIZE_UNIT (type), body);
+
+ for (t = TYPE_NEXT_VARIANT (type); t; t = TYPE_NEXT_VARIANT (t))
+ {
+ TYPE_SIZE (t) = TYPE_SIZE (type);
+ TYPE_SIZE_UNIT (t) = TYPE_SIZE_UNIT (type);
+ }
+ }
+}
+
+/* Make sure all type sizes and array domains are either constant,
+ or variable or parameter decls. This is a simplified variant
+ of gimplify_type_sizes, but we can't use it here, as none of the
+ variables in the expressions have been gimplified yet.
+ As type sizes and domains for various variable length arrays
+ contain VAR_DECLs that are only initialized at gfc_trans_deferred_vars
+ time, without this routine gimplify_type_sizes in the middle-end
+ could result in the type sizes being gimplified earlier than where
+ those variables are initialized. */
+
+void
+gfc_trans_vla_type_sizes (gfc_symbol *sym, stmtblock_t *body)
+{
+ tree type = TREE_TYPE (sym->backend_decl);
+
+ if (TREE_CODE (type) == FUNCTION_TYPE
+ && (sym->attr.function || sym->attr.result || sym->attr.entry))
+ {
+ if (! current_fake_result_decl)
+ return;
+
+ type = TREE_TYPE (TREE_VALUE (current_fake_result_decl));
+ }
+
+ while (POINTER_TYPE_P (type))
+ type = TREE_TYPE (type);
+
+ if (GFC_DESCRIPTOR_TYPE_P (type))
+ {
+ tree etype = GFC_TYPE_ARRAY_DATAPTR_TYPE (type);
+
+ while (POINTER_TYPE_P (etype))
+ etype = TREE_TYPE (etype);
+
+ gfc_trans_vla_type_sizes_1 (etype, body);
+ }
+
+ gfc_trans_vla_type_sizes_1 (type, body);
+}
+
+
+/* Initialize a derived type by building an lvalue from the symbol
+ and using trans_assignment to do the work. Set dealloc to false
+ if no deallocation prior the assignment is needed. */
+void
+gfc_init_default_dt (gfc_symbol * sym, stmtblock_t * block, bool dealloc)
+{
+ gfc_expr *e;
+ tree tmp;
+ tree present;
+
+ gcc_assert (block);
+
+ /* Initialization of PDTs is done elsewhere. */
+ if (sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.pdt_type)
+ return;
+
+ gcc_assert (!sym->attr.allocatable);
+ gfc_set_sym_referenced (sym);
+ e = gfc_lval_expr_from_sym (sym);
+ tmp = gfc_trans_assignment (e, sym->value, false, dealloc);
+ if (sym->attr.dummy && (sym->attr.optional
+ || sym->ns->proc_name->attr.entry_master))
+ {
+ present = gfc_conv_expr_present (sym);
+ tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp), present,
+ tmp, build_empty_stmt (input_location));
+ }
+ gfc_add_expr_to_block (block, tmp);
+ gfc_free_expr (e);
+}
+
+
+/* Initialize INTENT(OUT) derived type dummies. As well as giving
+ them their default initializer, if they do not have allocatable
+ components, they have their allocatable components deallocated. */
+
+static void
+init_intent_out_dt (gfc_symbol * proc_sym, gfc_wrapped_block * block)
+{
+ stmtblock_t init;
+ gfc_formal_arglist *f;
+ tree tmp;
+ tree present;
+
+ gfc_init_block (&init);
+ for (f = gfc_sym_get_dummy_args (proc_sym); f; f = f->next)
+ if (f->sym && f->sym->attr.intent == INTENT_OUT
+ && !f->sym->attr.pointer
+ && f->sym->ts.type == BT_DERIVED)
+ {
+ tmp = NULL_TREE;
+
+ /* Note: Allocatables are excluded as they are already handled
+ by the caller. */
+ if (!f->sym->attr.allocatable
+ && gfc_is_finalizable (f->sym->ts.u.derived, NULL))
+ {
+ stmtblock_t block;
+ gfc_expr *e;
+
+ gfc_init_block (&block);
+ f->sym->attr.referenced = 1;
+ e = gfc_lval_expr_from_sym (f->sym);
+ gfc_add_finalizer_call (&block, e);
+ gfc_free_expr (e);
+ tmp = gfc_finish_block (&block);
+ }
+
+ if (tmp == NULL_TREE && !f->sym->attr.allocatable
+ && f->sym->ts.u.derived->attr.alloc_comp && !f->sym->value)
+ tmp = gfc_deallocate_alloc_comp (f->sym->ts.u.derived,
+ f->sym->backend_decl,
+ f->sym->as ? f->sym->as->rank : 0);
+
+ if (tmp != NULL_TREE && (f->sym->attr.optional
+ || f->sym->ns->proc_name->attr.entry_master))
+ {
+ present = gfc_conv_expr_present (f->sym);
+ tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp),
+ present, tmp, build_empty_stmt (input_location));
+ }
+
+ if (tmp != NULL_TREE)
+ gfc_add_expr_to_block (&init, tmp);
+ else if (f->sym->value && !f->sym->attr.allocatable)
+ gfc_init_default_dt (f->sym, &init, true);
+ }
+ else if (f->sym && f->sym->attr.intent == INTENT_OUT
+ && f->sym->ts.type == BT_CLASS
+ && !CLASS_DATA (f->sym)->attr.class_pointer
+ && !CLASS_DATA (f->sym)->attr.allocatable)
+ {
+ stmtblock_t block;
+ gfc_expr *e;
+
+ gfc_init_block (&block);
+ f->sym->attr.referenced = 1;
+ e = gfc_lval_expr_from_sym (f->sym);
+ gfc_add_finalizer_call (&block, e);
+ gfc_free_expr (e);
+ tmp = gfc_finish_block (&block);
+
+ if (f->sym->attr.optional || f->sym->ns->proc_name->attr.entry_master)
+ {
+ present = gfc_conv_expr_present (f->sym);
+ tmp = build3_loc (input_location, COND_EXPR, TREE_TYPE (tmp),
+ present, tmp,
+ build_empty_stmt (input_location));
+ }
+
+ gfc_add_expr_to_block (&init, tmp);
+ }
+
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE);
+}
+
+
+/* Helper function to manage deferred string lengths. */
+
+static tree
+gfc_null_and_pass_deferred_len (gfc_symbol *sym, stmtblock_t *init,
+ locus *loc)
+{
+ tree tmp;
+
+ /* Character length passed by reference. */
+ tmp = sym->ts.u.cl->passed_length;
+ tmp = build_fold_indirect_ref_loc (input_location, tmp);
+ tmp = fold_convert (gfc_charlen_type_node, tmp);
+
+ if (!sym->attr.dummy || sym->attr.intent == INTENT_OUT)
+ /* Zero the string length when entering the scope. */
+ gfc_add_modify (init, sym->ts.u.cl->backend_decl,
+ build_int_cst (gfc_charlen_type_node, 0));
+ else
+ {
+ tree tmp2;
+
+ tmp2 = fold_build2_loc (input_location, MODIFY_EXPR,
+ gfc_charlen_type_node,
+ sym->ts.u.cl->backend_decl, tmp);
+ if (sym->attr.optional)
+ {
+ tree present = gfc_conv_expr_present (sym);
+ tmp2 = build3_loc (input_location, COND_EXPR,
+ void_type_node, present, tmp2,
+ build_empty_stmt (input_location));
+ }
+ gfc_add_expr_to_block (init, tmp2);
+ }
+
+ gfc_restore_backend_locus (loc);
+
+ /* Pass the final character length back. */
+ if (sym->attr.intent != INTENT_IN)
+ {
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR,
+ gfc_charlen_type_node, tmp,
+ sym->ts.u.cl->backend_decl);
+ if (sym->attr.optional)
+ {
+ tree present = gfc_conv_expr_present (sym);
+ tmp = build3_loc (input_location, COND_EXPR,
+ void_type_node, present, tmp,
+ build_empty_stmt (input_location));
+ }
+ }
+ else
+ tmp = NULL_TREE;
+
+ return tmp;
+}
+
+
+/* Get the result expression for a procedure. */
+
+static tree
+get_proc_result (gfc_symbol* sym)
+{
+ if (sym->attr.subroutine || sym == sym->result)
+ {
+ if (current_fake_result_decl != NULL)
+ return TREE_VALUE (current_fake_result_decl);
+
+ return NULL_TREE;
+ }
+
+ return sym->result->backend_decl;
+}
+
+
+/* Generate function entry and exit code, and add it to the function body.
+ This includes:
+ Allocation and initialization of array variables.
+ Allocation of character string variables.
+ Initialization and possibly repacking of dummy arrays.
+ Initialization of ASSIGN statement auxiliary variable.
+ Initialization of ASSOCIATE names.
+ Automatic deallocation. */
+
+void
+gfc_trans_deferred_vars (gfc_symbol * proc_sym, gfc_wrapped_block * block)
+{
+ locus loc;
+ gfc_symbol *sym;
+ gfc_formal_arglist *f;
+ stmtblock_t tmpblock;
+ bool seen_trans_deferred_array = false;
+ bool is_pdt_type = false;
+ tree tmp = NULL;
+ gfc_expr *e;
+ gfc_se se;
+ stmtblock_t init;
+
+ /* Deal with implicit return variables. Explicit return variables will
+ already have been added. */
+ if (gfc_return_by_reference (proc_sym) && proc_sym->result == proc_sym)
+ {
+ if (!current_fake_result_decl)
+ {
+ gfc_entry_list *el = NULL;
+ if (proc_sym->attr.entry_master)
+ {
+ for (el = proc_sym->ns->entries; el; el = el->next)
+ if (el->sym != el->sym->result)
+ break;
+ }
+ /* TODO: move to the appropriate place in resolve.c. */
+ if (warn_return_type > 0 && el == NULL)
+ gfc_warning (OPT_Wreturn_type,
+ "Return value of function %qs at %L not set",
+ proc_sym->name, &proc_sym->declared_at);
+ }
+ else if (proc_sym->as)
+ {
+ tree result = TREE_VALUE (current_fake_result_decl);
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&proc_sym->declared_at);
+ gfc_trans_dummy_array_bias (proc_sym, result, block);
+
+ /* An automatic character length, pointer array result. */
+ if (proc_sym->ts.type == BT_CHARACTER
+ && VAR_P (proc_sym->ts.u.cl->backend_decl))
+ {
+ tmp = NULL;
+ if (proc_sym->ts.deferred)
+ {
+ gfc_start_block (&init);
+ tmp = gfc_null_and_pass_deferred_len (proc_sym, &init, &loc);
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
+ }
+ else
+ gfc_trans_dummy_character (proc_sym, proc_sym->ts.u.cl, block);
+ }
+ }
+ else if (proc_sym->ts.type == BT_CHARACTER)
+ {
+ if (proc_sym->ts.deferred)
+ {
+ tmp = NULL;
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&proc_sym->declared_at);
+ gfc_start_block (&init);
+ /* Zero the string length on entry. */
+ gfc_add_modify (&init, proc_sym->ts.u.cl->backend_decl,
+ build_int_cst (gfc_charlen_type_node, 0));
+ /* Null the pointer. */
+ e = gfc_lval_expr_from_sym (proc_sym);
+ gfc_init_se (&se, NULL);
+ se.want_pointer = 1;
+ gfc_conv_expr (&se, e);
+ gfc_free_expr (e);
+ tmp = se.expr;
+ gfc_add_modify (&init, tmp,
+ fold_convert (TREE_TYPE (se.expr),
+ null_pointer_node));
+ gfc_restore_backend_locus (&loc);
+
+ /* Pass back the string length on exit. */
+ tmp = proc_sym->ts.u.cl->backend_decl;
+ if (TREE_CODE (tmp) != INDIRECT_REF
+ && proc_sym->ts.u.cl->passed_length)
+ {
+ tmp = proc_sym->ts.u.cl->passed_length;
+ tmp = build_fold_indirect_ref_loc (input_location, tmp);
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR,
+ TREE_TYPE (tmp), tmp,
+ fold_convert
+ (TREE_TYPE (tmp),
+ proc_sym->ts.u.cl->backend_decl));
+ }
+ else
+ tmp = NULL_TREE;
+
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
+ }
+ else if (VAR_P (proc_sym->ts.u.cl->backend_decl))
+ gfc_trans_dummy_character (proc_sym, proc_sym->ts.u.cl, block);
+ }
+ else
+ gcc_assert (flag_f2c && proc_sym->ts.type == BT_COMPLEX);
+ }
+ else if (proc_sym == proc_sym->result && IS_CLASS_ARRAY (proc_sym))
+ {
+ /* Nullify explicit return class arrays on entry. */
+ tree type;
+ tmp = get_proc_result (proc_sym);
+ if (tmp && GFC_CLASS_TYPE_P (TREE_TYPE (tmp)))
+ {
+ gfc_start_block (&init);
+ tmp = gfc_class_data_get (tmp);
+ type = TREE_TYPE (gfc_conv_descriptor_data_get (tmp));
+ gfc_conv_descriptor_data_set (&init, tmp, build_int_cst (type, 0));
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), NULL_TREE);
+ }
+ }
+
+
+ /* Initialize the INTENT(OUT) derived type dummy arguments. This
+ should be done here so that the offsets and lbounds of arrays
+ are available. */
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&proc_sym->declared_at);
+ init_intent_out_dt (proc_sym, block);
+ gfc_restore_backend_locus (&loc);
+
+ for (sym = proc_sym->tlink; sym != proc_sym; sym = sym->tlink)
+ {
+ bool alloc_comp_or_fini = (sym->ts.type == BT_DERIVED)
+ && (sym->ts.u.derived->attr.alloc_comp
+ || gfc_is_finalizable (sym->ts.u.derived,
+ NULL));
+ if (sym->assoc)
+ continue;
+
+ if (sym->ts.type == BT_DERIVED
+ && sym->ts.u.derived
+ && sym->ts.u.derived->attr.pdt_type)
+ {
+ is_pdt_type = true;
+ gfc_init_block (&tmpblock);
+ if (!(sym->attr.dummy
+ || sym->attr.pointer
+ || sym->attr.allocatable))
+ {
+ tmp = gfc_allocate_pdt_comp (sym->ts.u.derived,
+ sym->backend_decl,
+ sym->as ? sym->as->rank : 0,
+ sym->param_list);
+ gfc_add_expr_to_block (&tmpblock, tmp);
+ if (!sym->attr.result)
+ tmp = gfc_deallocate_pdt_comp (sym->ts.u.derived,
+ sym->backend_decl,
+ sym->as ? sym->as->rank : 0);
+ else
+ tmp = NULL_TREE;
+ gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), tmp);
+ }
+ else if (sym->attr.dummy)
+ {
+ tmp = gfc_check_pdt_dummy (sym->ts.u.derived,
+ sym->backend_decl,
+ sym->as ? sym->as->rank : 0,
+ sym->param_list);
+ gfc_add_expr_to_block (&tmpblock, tmp);
+ gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), NULL);
+ }
+ }
+ else if (sym->ts.type == BT_CLASS
+ && CLASS_DATA (sym)->ts.u.derived
+ && CLASS_DATA (sym)->ts.u.derived->attr.pdt_type)
+ {
+ gfc_component *data = CLASS_DATA (sym);
+ is_pdt_type = true;
+ gfc_init_block (&tmpblock);
+ if (!(sym->attr.dummy
+ || CLASS_DATA (sym)->attr.pointer
+ || CLASS_DATA (sym)->attr.allocatable))
+ {
+ tmp = gfc_class_data_get (sym->backend_decl);
+ tmp = gfc_allocate_pdt_comp (data->ts.u.derived, tmp,
+ data->as ? data->as->rank : 0,
+ sym->param_list);
+ gfc_add_expr_to_block (&tmpblock, tmp);
+ tmp = gfc_class_data_get (sym->backend_decl);
+ if (!sym->attr.result)
+ tmp = gfc_deallocate_pdt_comp (data->ts.u.derived, tmp,
+ data->as ? data->as->rank : 0);
+ else
+ tmp = NULL_TREE;
+ gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), tmp);
+ }
+ else if (sym->attr.dummy)
+ {
+ tmp = gfc_class_data_get (sym->backend_decl);
+ tmp = gfc_check_pdt_dummy (data->ts.u.derived, tmp,
+ data->as ? data->as->rank : 0,
+ sym->param_list);
+ gfc_add_expr_to_block (&tmpblock, tmp);
+ gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), NULL);
+ }
+ }
+
+ if (sym->attr.pointer && sym->attr.dimension
+ && sym->attr.save == SAVE_NONE
+ && !sym->attr.use_assoc
+ && !sym->attr.host_assoc
+ && !sym->attr.dummy
+ && GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (sym->backend_decl)))
+ {
+ gfc_init_block (&tmpblock);
+ gfc_conv_descriptor_span_set (&tmpblock, sym->backend_decl,
+ build_int_cst (gfc_array_index_type, 0));
+ gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock),
+ NULL_TREE);
+ }
+
+ if (sym->ts.type == BT_CLASS
+ && (sym->attr.save || flag_max_stack_var_size == 0)
+ && CLASS_DATA (sym)->attr.allocatable)
+ {
+ tree vptr;
+
+ if (UNLIMITED_POLY (sym))
+ vptr = null_pointer_node;
+ else
+ {
+ gfc_symbol *vsym;
+ vsym = gfc_find_derived_vtab (sym->ts.u.derived);
+ vptr = gfc_get_symbol_decl (vsym);
+ vptr = gfc_build_addr_expr (NULL, vptr);
+ }
+
+ if (CLASS_DATA (sym)->attr.dimension
+ || (CLASS_DATA (sym)->attr.codimension
+ && flag_coarray != GFC_FCOARRAY_LIB))
+ {
+ tmp = gfc_class_data_get (sym->backend_decl);
+ tmp = gfc_build_null_descriptor (TREE_TYPE (tmp));
+ }
+ else
+ tmp = null_pointer_node;
+
+ DECL_INITIAL (sym->backend_decl)
+ = gfc_class_set_static_fields (sym->backend_decl, vptr, tmp);
+ TREE_CONSTANT (DECL_INITIAL (sym->backend_decl)) = 1;
+ }
+ else if ((sym->attr.dimension || sym->attr.codimension
+ || (IS_CLASS_ARRAY (sym) && !CLASS_DATA (sym)->attr.allocatable)))
+ {
+ bool is_classarray = IS_CLASS_ARRAY (sym);
+ symbol_attribute *array_attr;
+ gfc_array_spec *as;
+ array_type type_of_array;
+
+ array_attr = is_classarray ? &CLASS_DATA (sym)->attr : &sym->attr;
+ as = is_classarray ? CLASS_DATA (sym)->as : sym->as;
+ /* Assumed-size Cray pointees need to be treated as AS_EXPLICIT. */
+ type_of_array = as->type;
+ if (type_of_array == AS_ASSUMED_SIZE && as->cp_was_assumed)
+ type_of_array = AS_EXPLICIT;
+ switch (type_of_array)
+ {
+ case AS_EXPLICIT:
+ if (sym->attr.dummy || sym->attr.result)
+ gfc_trans_dummy_array_bias (sym, sym->backend_decl, block);
+ /* Allocatable and pointer arrays need to processed
+ explicitly. */
+ else if ((sym->ts.type != BT_CLASS && sym->attr.pointer)
+ || (sym->ts.type == BT_CLASS
+ && CLASS_DATA (sym)->attr.class_pointer)
+ || array_attr->allocatable)
+ {
+ if (TREE_STATIC (sym->backend_decl))
+ {
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&sym->declared_at);
+ gfc_trans_static_array_pointer (sym);
+ gfc_restore_backend_locus (&loc);
+ }
+ else
+ {
+ seen_trans_deferred_array = true;
+ gfc_trans_deferred_array (sym, block);
+ }
+ }
+ else if (sym->attr.codimension
+ && TREE_STATIC (sym->backend_decl))
+ {
+ gfc_init_block (&tmpblock);
+ gfc_trans_array_cobounds (TREE_TYPE (sym->backend_decl),
+ &tmpblock, sym);
+ gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock),
+ NULL_TREE);
+ continue;
+ }
+ else
+ {
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&sym->declared_at);
+
+ if (alloc_comp_or_fini)
+ {
+ seen_trans_deferred_array = true;
+ gfc_trans_deferred_array (sym, block);
+ }
+ else if (sym->ts.type == BT_DERIVED
+ && sym->value
+ && !sym->attr.data
+ && sym->attr.save == SAVE_NONE)
+ {
+ gfc_start_block (&tmpblock);
+ gfc_init_default_dt (sym, &tmpblock, false);
+ gfc_add_init_cleanup (block,
+ gfc_finish_block (&tmpblock),
+ NULL_TREE);
+ }
+
+ gfc_trans_auto_array_allocation (sym->backend_decl,
+ sym, block);
+ gfc_restore_backend_locus (&loc);
+ }
+ break;
+
+ case AS_ASSUMED_SIZE:
+ /* Must be a dummy parameter. */
+ gcc_assert (sym->attr.dummy || as->cp_was_assumed);
+
+ /* We should always pass assumed size arrays the g77 way. */
+ if (sym->attr.dummy)
+ gfc_trans_g77_array (sym, block);
+ break;
+
+ case AS_ASSUMED_SHAPE:
+ /* Must be a dummy parameter. */
+ gcc_assert (sym->attr.dummy);
+
+ gfc_trans_dummy_array_bias (sym, sym->backend_decl, block);
+ break;
+
+ case AS_ASSUMED_RANK:
+ case AS_DEFERRED:
+ seen_trans_deferred_array = true;
+ gfc_trans_deferred_array (sym, block);
+ if (sym->ts.type == BT_CHARACTER && sym->ts.deferred
+ && sym->attr.result)
+ {
+ gfc_start_block (&init);
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&sym->declared_at);
+ tmp = gfc_null_and_pass_deferred_len (sym, &init, &loc);
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
+ }
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+ if (alloc_comp_or_fini && !seen_trans_deferred_array)
+ gfc_trans_deferred_array (sym, block);
+ }
+ else if ((!sym->attr.dummy || sym->ts.deferred)
+ && (sym->ts.type == BT_CLASS
+ && CLASS_DATA (sym)->attr.class_pointer))
+ continue;
+ else if ((!sym->attr.dummy || sym->ts.deferred)
+ && (sym->attr.allocatable
+ || (sym->attr.pointer && sym->attr.result)
+ || (sym->ts.type == BT_CLASS
+ && CLASS_DATA (sym)->attr.allocatable)))
+ {
+ if (!sym->attr.save && flag_max_stack_var_size != 0)
+ {
+ tree descriptor = NULL_TREE;
+
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&sym->declared_at);
+ gfc_start_block (&init);
+
+ if (sym->ts.type == BT_CHARACTER
+ && sym->attr.allocatable
+ && !sym->attr.dimension
+ && sym->ts.u.cl && sym->ts.u.cl->length
+ && sym->ts.u.cl->length->expr_type == EXPR_VARIABLE)
+ gfc_conv_string_length (sym->ts.u.cl, NULL, &init);
+
+ if (!sym->attr.pointer)
+ {
+ /* Nullify and automatic deallocation of allocatable
+ scalars. */
+ e = gfc_lval_expr_from_sym (sym);
+ if (sym->ts.type == BT_CLASS)
+ gfc_add_data_component (e);
+
+ gfc_init_se (&se, NULL);
+ if (sym->ts.type != BT_CLASS
+ || sym->ts.u.derived->attr.dimension
+ || sym->ts.u.derived->attr.codimension)
+ {
+ se.want_pointer = 1;
+ gfc_conv_expr (&se, e);
+ }
+ else if (sym->ts.type == BT_CLASS
+ && !CLASS_DATA (sym)->attr.dimension
+ && !CLASS_DATA (sym)->attr.codimension)
+ {
+ se.want_pointer = 1;
+ gfc_conv_expr (&se, e);
+ }
+ else
+ {
+ se.descriptor_only = 1;
+ gfc_conv_expr (&se, e);
+ descriptor = se.expr;
+ se.expr = gfc_conv_descriptor_data_addr (se.expr);
+ se.expr = build_fold_indirect_ref_loc (input_location, se.expr);
+ }
+ gfc_free_expr (e);
+
+ if (!sym->attr.dummy || sym->attr.intent == INTENT_OUT)
+ {
+ /* Nullify when entering the scope. */
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR,
+ TREE_TYPE (se.expr), se.expr,
+ fold_convert (TREE_TYPE (se.expr),
+ null_pointer_node));
+ if (sym->attr.optional)
+ {
+ tree present = gfc_conv_expr_present (sym);
+ tmp = build3_loc (input_location, COND_EXPR,
+ void_type_node, present, tmp,
+ build_empty_stmt (input_location));
+ }
+ gfc_add_expr_to_block (&init, tmp);
+ }
+ }
+
+ if ((sym->attr.dummy || sym->attr.result)
+ && sym->ts.type == BT_CHARACTER
+ && sym->ts.deferred
+ && sym->ts.u.cl->passed_length)
+ tmp = gfc_null_and_pass_deferred_len (sym, &init, &loc);
+ else
+ {
+ gfc_restore_backend_locus (&loc);
+ tmp = NULL_TREE;
+ }
+
+ /* Deallocate when leaving the scope. Nullifying is not
+ needed. */
+ if (!sym->attr.result && !sym->attr.dummy && !sym->attr.pointer
+ && !sym->ns->proc_name->attr.is_main_program)
+ {
+ if (sym->ts.type == BT_CLASS
+ && CLASS_DATA (sym)->attr.codimension)
+ tmp = gfc_deallocate_with_status (descriptor, NULL_TREE,
+ NULL_TREE, NULL_TREE,
+ NULL_TREE, true, NULL,
+ GFC_CAF_COARRAY_ANALYZE);
+ else
+ {
+ gfc_expr *expr = gfc_lval_expr_from_sym (sym);
+ tmp = gfc_deallocate_scalar_with_status (se.expr,
+ NULL_TREE,
+ NULL_TREE,
+ true, expr,
+ sym->ts);
+ gfc_free_expr (expr);
+ }
+ }
+
+ if (sym->ts.type == BT_CLASS)
+ {
+ /* Initialize _vptr to declared type. */
+ gfc_symbol *vtab;
+ tree rhs;
+
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&sym->declared_at);
+ e = gfc_lval_expr_from_sym (sym);
+ gfc_add_vptr_component (e);
+ gfc_init_se (&se, NULL);
+ se.want_pointer = 1;
+ gfc_conv_expr (&se, e);
+ gfc_free_expr (e);
+ if (UNLIMITED_POLY (sym))
+ rhs = build_int_cst (TREE_TYPE (se.expr), 0);
+ else
+ {
+ vtab = gfc_find_derived_vtab (sym->ts.u.derived);
+ rhs = gfc_build_addr_expr (TREE_TYPE (se.expr),
+ gfc_get_symbol_decl (vtab));
+ }
+ gfc_add_modify (&init, se.expr, rhs);
+ gfc_restore_backend_locus (&loc);
+ }
+
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
+ }
+ }
+ else if (sym->ts.type == BT_CHARACTER && sym->ts.deferred)
+ {
+ tree tmp = NULL;
+ stmtblock_t init;
+
+ /* If we get to here, all that should be left are pointers. */
+ gcc_assert (sym->attr.pointer);
+
+ if (sym->attr.dummy)
+ {
+ gfc_start_block (&init);
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&sym->declared_at);
+ tmp = gfc_null_and_pass_deferred_len (sym, &init, &loc);
+ gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
+ }
+ }
+ else if (sym->ts.deferred)
+ gfc_fatal_error ("Deferred type parameter not yet supported");
+ else if (alloc_comp_or_fini)
+ gfc_trans_deferred_array (sym, block);
+ else if (sym->ts.type == BT_CHARACTER)
+ {
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&sym->declared_at);
+ if (sym->attr.dummy || sym->attr.result)
+ gfc_trans_dummy_character (sym, sym->ts.u.cl, block);
+ else
+ gfc_trans_auto_character_variable (sym, block);
+ gfc_restore_backend_locus (&loc);
+ }
+ else if (sym->attr.assign)
+ {
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&sym->declared_at);
+ gfc_trans_assign_aux_var (sym, block);
+ gfc_restore_backend_locus (&loc);
+ }
+ else if (sym->ts.type == BT_DERIVED
+ && sym->value
+ && !sym->attr.data
+ && sym->attr.save == SAVE_NONE)
+ {
+ gfc_start_block (&tmpblock);
+ gfc_init_default_dt (sym, &tmpblock, false);
+ gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock),
+ NULL_TREE);
+ }
+ else if (!(UNLIMITED_POLY(sym)) && !is_pdt_type)
+ gcc_unreachable ();
+ }
+
+ gfc_init_block (&tmpblock);
+
+ for (f = gfc_sym_get_dummy_args (proc_sym); f; f = f->next)
+ {
+ if (f->sym && f->sym->tlink == NULL && f->sym->ts.type == BT_CHARACTER
+ && f->sym->ts.u.cl->backend_decl)
+ {
+ if (TREE_CODE (f->sym->ts.u.cl->backend_decl) == PARM_DECL)
+ gfc_trans_vla_type_sizes (f->sym, &tmpblock);
+ }
+ }
+
+ if (gfc_return_by_reference (proc_sym) && proc_sym->ts.type == BT_CHARACTER
+ && current_fake_result_decl != NULL)
+ {
+ gcc_assert (proc_sym->ts.u.cl->backend_decl != NULL);
+ if (TREE_CODE (proc_sym->ts.u.cl->backend_decl) == PARM_DECL)
+ gfc_trans_vla_type_sizes (proc_sym, &tmpblock);
+ }
+
+ gfc_add_init_cleanup (block, gfc_finish_block (&tmpblock), NULL_TREE);
+}
+
+
+struct module_hasher : ggc_ptr_hash<module_htab_entry>
+{
+ typedef const char *compare_type;
+
+ static hashval_t hash (module_htab_entry *s)
+ {
+ return htab_hash_string (s->name);
+ }
+
+ static bool
+ equal (module_htab_entry *a, const char *b)
+ {
+ return !strcmp (a->name, b);
+ }
+};
+
+static GTY (()) hash_table<module_hasher> *module_htab;
+
+/* Hash and equality functions for module_htab's decls. */
+
+hashval_t
+module_decl_hasher::hash (tree t)
+{
+ const_tree n = DECL_NAME (t);
+ if (n == NULL_TREE)
+ n = TYPE_NAME (TREE_TYPE (t));
+ return htab_hash_string (IDENTIFIER_POINTER (n));
+}
+
+bool
+module_decl_hasher::equal (tree t1, const char *x2)
+{
+ const_tree n1 = DECL_NAME (t1);
+ if (n1 == NULL_TREE)
+ n1 = TYPE_NAME (TREE_TYPE (t1));
+ return strcmp (IDENTIFIER_POINTER (n1), x2) == 0;
+}
+
+struct module_htab_entry *
+gfc_find_module (const char *name)
+{
+ if (! module_htab)
+ module_htab = hash_table<module_hasher>::create_ggc (10);
+
+ module_htab_entry **slot
+ = module_htab->find_slot_with_hash (name, htab_hash_string (name), INSERT);
+ if (*slot == NULL)
+ {
+ module_htab_entry *entry = ggc_cleared_alloc<module_htab_entry> ();
+
+ entry->name = gfc_get_string ("%s", name);
+ entry->decls = hash_table<module_decl_hasher>::create_ggc (10);
+ *slot = entry;
+ }
+ return *slot;
+}
+
+void
+gfc_module_add_decl (struct module_htab_entry *entry, tree decl)
+{
+ const char *name;
+
+ if (DECL_NAME (decl))
+ name = IDENTIFIER_POINTER (DECL_NAME (decl));
+ else
+ {
+ gcc_assert (TREE_CODE (decl) == TYPE_DECL);
+ name = IDENTIFIER_POINTER (TYPE_NAME (TREE_TYPE (decl)));
+ }
+ tree *slot
+ = entry->decls->find_slot_with_hash (name, htab_hash_string (name),
+ INSERT);
+ if (*slot == NULL)
+ *slot = decl;
+}
+
+
+/* Generate debugging symbols for namelists. This function must come after
+ generate_local_decl to ensure that the variables in the namelist are
+ already declared. */
+
+static tree
+generate_namelist_decl (gfc_symbol * sym)
+{
+ gfc_namelist *nml;
+ tree decl;
+ vec<constructor_elt, va_gc> *nml_decls = NULL;
+
+ gcc_assert (sym->attr.flavor == FL_NAMELIST);
+ for (nml = sym->namelist; nml; nml = nml->next)
+ {
+ if (nml->sym->backend_decl == NULL_TREE)
+ {
+ nml->sym->attr.referenced = 1;
+ nml->sym->backend_decl = gfc_get_symbol_decl (nml->sym);
+ }
+ DECL_IGNORED_P (nml->sym->backend_decl) = 0;
+ CONSTRUCTOR_APPEND_ELT (nml_decls, NULL_TREE, nml->sym->backend_decl);
+ }
+
+ decl = make_node (NAMELIST_DECL);
+ TREE_TYPE (decl) = void_type_node;
+ NAMELIST_DECL_ASSOCIATED_DECL (decl) = build_constructor (NULL_TREE, nml_decls);
+ DECL_NAME (decl) = get_identifier (sym->name);
+ return decl;
+}
+
+
+/* Output an initialized decl for a module variable. */
+
+static void
+gfc_create_module_variable (gfc_symbol * sym)
+{
+ tree decl;
+
+ /* Module functions with alternate entries are dealt with later and
+ would get caught by the next condition. */
+ if (sym->attr.entry)
+ return;
+
+ /* Make sure we convert the types of the derived types from iso_c_binding
+ into (void *). */
+ if (sym->attr.flavor != FL_PROCEDURE && sym->attr.is_iso_c
+ && sym->ts.type == BT_DERIVED)
+ sym->backend_decl = gfc_typenode_for_spec (&(sym->ts));
+
+ if (gfc_fl_struct (sym->attr.flavor)
+ && sym->backend_decl
+ && TREE_CODE (sym->backend_decl) == RECORD_TYPE)
+ {
+ decl = sym->backend_decl;
+ gcc_assert (sym->ns->proc_name->attr.flavor == FL_MODULE);
+
+ if (!sym->attr.use_assoc && !sym->attr.used_in_submodule)
+ {
+ gcc_assert (TYPE_CONTEXT (decl) == NULL_TREE
+ || TYPE_CONTEXT (decl) == sym->ns->proc_name->backend_decl);
+ gcc_assert (DECL_CONTEXT (TYPE_STUB_DECL (decl)) == NULL_TREE
+ || DECL_CONTEXT (TYPE_STUB_DECL (decl))
+ == sym->ns->proc_name->backend_decl);
+ }
+ TYPE_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
+ DECL_CONTEXT (TYPE_STUB_DECL (decl)) = sym->ns->proc_name->backend_decl;
+ gfc_module_add_decl (cur_module, TYPE_STUB_DECL (decl));
+ }
+
+ /* Only output variables, procedure pointers and array valued,
+ or derived type, parameters. */
+ if (sym->attr.flavor != FL_VARIABLE
+ && !(sym->attr.flavor == FL_PARAMETER
+ && (sym->attr.dimension || sym->ts.type == BT_DERIVED))
+ && !(sym->attr.flavor == FL_PROCEDURE && sym->attr.proc_pointer))
+ return;
+
+ if ((sym->attr.in_common || sym->attr.in_equivalence) && sym->backend_decl)
+ {
+ decl = sym->backend_decl;
+ gcc_assert (DECL_FILE_SCOPE_P (decl));
+ gcc_assert (sym->ns->proc_name->attr.flavor == FL_MODULE);
+ DECL_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
+ gfc_module_add_decl (cur_module, decl);
+ }
+
+ /* Don't generate variables from other modules. Variables from
+ COMMONs and Cray pointees will already have been generated. */
+ if (sym->attr.use_assoc || sym->attr.used_in_submodule
+ || sym->attr.in_common || sym->attr.cray_pointee)
+ return;
+
+ /* Equivalenced variables arrive here after creation. */
+ if (sym->backend_decl
+ && (sym->equiv_built || sym->attr.in_equivalence))
+ return;
+
+ if (sym->backend_decl && !sym->attr.vtab && !sym->attr.target)
+ gfc_internal_error ("backend decl for module variable %qs already exists",
+ sym->name);
+
+ if (sym->module && !sym->attr.result && !sym->attr.dummy
+ && (sym->attr.access == ACCESS_UNKNOWN
+ && (sym->ns->default_access == ACCESS_PRIVATE
+ || (sym->ns->default_access == ACCESS_UNKNOWN
+ && flag_module_private))))
+ sym->attr.access = ACCESS_PRIVATE;
+
+ if (warn_unused_variable && !sym->attr.referenced
+ && sym->attr.access == ACCESS_PRIVATE)
+ gfc_warning (OPT_Wunused_value,
+ "Unused PRIVATE module variable %qs declared at %L",
+ sym->name, &sym->declared_at);
+
+ /* We always want module variables to be created. */
+ sym->attr.referenced = 1;
+ /* Create the decl. */
+ decl = gfc_get_symbol_decl (sym);
+
+ /* Create the variable. */
+ pushdecl (decl);
+ gcc_assert (sym->ns->proc_name->attr.flavor == FL_MODULE
+ || (sym->ns->parent->proc_name->attr.flavor == FL_MODULE
+ && sym->fn_result_spec));
+ DECL_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
+ rest_of_decl_compilation (decl, 1, 0);
+ gfc_module_add_decl (cur_module, decl);
+
+ /* Also add length of strings. */
+ if (sym->ts.type == BT_CHARACTER)
+ {
+ tree length;
+
+ length = sym->ts.u.cl->backend_decl;
+ gcc_assert (length || sym->attr.proc_pointer);
+ if (length && !INTEGER_CST_P (length))
+ {
+ pushdecl (length);
+ rest_of_decl_compilation (length, 1, 0);
+ }
+ }
+
+ if (sym->attr.codimension && !sym->attr.dummy && !sym->attr.allocatable
+ && sym->attr.referenced && !sym->attr.use_assoc)
+ has_coarray_vars = true;
+}
+
+/* Emit debug information for USE statements. */
+
+static void
+gfc_trans_use_stmts (gfc_namespace * ns)
+{
+ gfc_use_list *use_stmt;
+ for (use_stmt = ns->use_stmts; use_stmt; use_stmt = use_stmt->next)
+ {
+ struct module_htab_entry *entry
+ = gfc_find_module (use_stmt->module_name);
+ gfc_use_rename *rent;
+
+ if (entry->namespace_decl == NULL)
+ {
+ entry->namespace_decl
+ = build_decl (input_location,
+ NAMESPACE_DECL,
+ get_identifier (use_stmt->module_name),
+ void_type_node);
+ DECL_EXTERNAL (entry->namespace_decl) = 1;
+ }
+ gfc_set_backend_locus (&use_stmt->where);
+ if (!use_stmt->only_flag)
+ (*debug_hooks->imported_module_or_decl) (entry->namespace_decl,
+ NULL_TREE,
+ ns->proc_name->backend_decl,
+ false, false);
+ for (rent = use_stmt->rename; rent; rent = rent->next)
+ {
+ tree decl, local_name;
+
+ if (rent->op != INTRINSIC_NONE)
+ continue;
+
+ hashval_t hash = htab_hash_string (rent->use_name);
+ tree *slot = entry->decls->find_slot_with_hash (rent->use_name, hash,
+ INSERT);
+ if (*slot == NULL)
+ {
+ gfc_symtree *st;
+
+ st = gfc_find_symtree (ns->sym_root,
+ rent->local_name[0]
+ ? rent->local_name : rent->use_name);
+
+ /* The following can happen if a derived type is renamed. */
+ if (!st)
+ {
+ char *name;
+ name = xstrdup (rent->local_name[0]
+ ? rent->local_name : rent->use_name);
+ name[0] = (char) TOUPPER ((unsigned char) name[0]);
+ st = gfc_find_symtree (ns->sym_root, name);
+ free (name);
+ gcc_assert (st);
+ }
+
+ /* Sometimes, generic interfaces wind up being over-ruled by a
+ local symbol (see PR41062). */
+ if (!st->n.sym->attr.use_assoc)
+ continue;
+
+ if (st->n.sym->backend_decl
+ && DECL_P (st->n.sym->backend_decl)
+ && st->n.sym->module
+ && strcmp (st->n.sym->module, use_stmt->module_name) == 0)
+ {
+ gcc_assert (DECL_EXTERNAL (entry->namespace_decl)
+ || !VAR_P (st->n.sym->backend_decl));
+ decl = copy_node (st->n.sym->backend_decl);
+ DECL_CONTEXT (decl) = entry->namespace_decl;
+ DECL_EXTERNAL (decl) = 1;
+ DECL_IGNORED_P (decl) = 0;
+ DECL_INITIAL (decl) = NULL_TREE;
+ }
+ else if (st->n.sym->attr.flavor == FL_NAMELIST
+ && st->n.sym->attr.use_only
+ && st->n.sym->module
+ && strcmp (st->n.sym->module, use_stmt->module_name)
+ == 0)
+ {
+ decl = generate_namelist_decl (st->n.sym);
+ DECL_CONTEXT (decl) = entry->namespace_decl;
+ DECL_EXTERNAL (decl) = 1;
+ DECL_IGNORED_P (decl) = 0;
+ DECL_INITIAL (decl) = NULL_TREE;
+ }
+ else
+ {
+ *slot = error_mark_node;
+ entry->decls->clear_slot (slot);
+ continue;
+ }
+ *slot = decl;
+ }
+ decl = (tree) *slot;
+ if (rent->local_name[0])
+ local_name = get_identifier (rent->local_name);
+ else
+ local_name = NULL_TREE;
+ gfc_set_backend_locus (&rent->where);
+ (*debug_hooks->imported_module_or_decl) (decl, local_name,
+ ns->proc_name->backend_decl,
+ !use_stmt->only_flag,
+ false);
+ }
+ }
+}
+
+
+/* Return true if expr is a constant initializer that gfc_conv_initializer
+ will handle. */
+
+static bool
+check_constant_initializer (gfc_expr *expr, gfc_typespec *ts, bool array,
+ bool pointer)
+{
+ gfc_constructor *c;
+ gfc_component *cm;
+
+ if (pointer)
+ return true;
+ else if (array)
+ {
+ if (expr->expr_type == EXPR_CONSTANT || expr->expr_type == EXPR_NULL)
+ return true;
+ else if (expr->expr_type == EXPR_STRUCTURE)
+ return check_constant_initializer (expr, ts, false, false);
+ else if (expr->expr_type != EXPR_ARRAY)
+ return false;
+ for (c = gfc_constructor_first (expr->value.constructor);
+ c; c = gfc_constructor_next (c))
+ {
+ if (c->iterator)
+ return false;
+ if (c->expr->expr_type == EXPR_STRUCTURE)
+ {
+ if (!check_constant_initializer (c->expr, ts, false, false))
+ return false;
+ }
+ else if (c->expr->expr_type != EXPR_CONSTANT)
+ return false;
+ }
+ return true;
+ }
+ else switch (ts->type)
+ {
+ case_bt_struct:
+ if (expr->expr_type != EXPR_STRUCTURE)
+ return false;
+ cm = expr->ts.u.derived->components;
+ for (c = gfc_constructor_first (expr->value.constructor);
+ c; c = gfc_constructor_next (c), cm = cm->next)
+ {
+ if (!c->expr || cm->attr.allocatable)
+ continue;
+ if (!check_constant_initializer (c->expr, &cm->ts,
+ cm->attr.dimension,
+ cm->attr.pointer))
+ return false;
+ }
+ return true;
+ default:
+ return expr->expr_type == EXPR_CONSTANT;
+ }
+}
+
+/* Emit debug info for parameters and unreferenced variables with
+ initializers. */
+
+static void
+gfc_emit_parameter_debug_info (gfc_symbol *sym)
+{
+ tree decl;
+
+ if (sym->attr.flavor != FL_PARAMETER
+ && (sym->attr.flavor != FL_VARIABLE || sym->attr.referenced))
+ return;
+
+ if (sym->backend_decl != NULL
+ || sym->value == NULL
+ || sym->attr.use_assoc
+ || sym->attr.dummy
+ || sym->attr.result
+ || sym->attr.function
+ || sym->attr.intrinsic
+ || sym->attr.pointer
+ || sym->attr.allocatable
+ || sym->attr.cray_pointee
+ || sym->attr.threadprivate
+ || sym->attr.is_bind_c
+ || sym->attr.subref_array_pointer
+ || sym->attr.assign)
+ return;
+
+ if (sym->ts.type == BT_CHARACTER)
+ {
+ gfc_conv_const_charlen (sym->ts.u.cl);
+ if (sym->ts.u.cl->backend_decl == NULL
+ || TREE_CODE (sym->ts.u.cl->backend_decl) != INTEGER_CST)
+ return;
+ }
+ else if (sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.alloc_comp)
+ return;
+
+ if (sym->as)
+ {
+ int n;
+
+ if (sym->as->type != AS_EXPLICIT)
+ return;
+ for (n = 0; n < sym->as->rank; n++)
+ if (sym->as->lower[n]->expr_type != EXPR_CONSTANT
+ || sym->as->upper[n] == NULL
+ || sym->as->upper[n]->expr_type != EXPR_CONSTANT)
+ return;
+ }
+
+ if (!check_constant_initializer (sym->value, &sym->ts,
+ sym->attr.dimension, false))
+ return;
+
+ if (flag_coarray == GFC_FCOARRAY_LIB && sym->attr.codimension)
+ return;
+
+ /* Create the decl for the variable or constant. */
+ decl = build_decl (input_location,
+ sym->attr.flavor == FL_PARAMETER ? CONST_DECL : VAR_DECL,
+ gfc_sym_identifier (sym), gfc_sym_type (sym));
+ if (sym->attr.flavor == FL_PARAMETER)
+ TREE_READONLY (decl) = 1;
+ gfc_set_decl_location (decl, &sym->declared_at);
+ if (sym->attr.dimension)
+ GFC_DECL_PACKED_ARRAY (decl) = 1;
+ DECL_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
+ TREE_STATIC (decl) = 1;
+ TREE_USED (decl) = 1;
+ if (DECL_CONTEXT (decl) && TREE_CODE (DECL_CONTEXT (decl)) == NAMESPACE_DECL)
+ TREE_PUBLIC (decl) = 1;
+ DECL_INITIAL (decl) = gfc_conv_initializer (sym->value, &sym->ts,
+ TREE_TYPE (decl),
+ sym->attr.dimension,
+ false, false);
+ debug_hooks->early_global_decl (decl);
+}
+
+
+static void
+generate_coarray_sym_init (gfc_symbol *sym)
+{
+ tree tmp, size, decl, token, desc;
+ bool is_lock_type, is_event_type;
+ int reg_type;
+ gfc_se se;
+ symbol_attribute attr;
+
+ if (sym->attr.dummy || sym->attr.allocatable || !sym->attr.codimension
+ || sym->attr.use_assoc || !sym->attr.referenced
+ || sym->attr.select_type_temporary)
+ return;
+
+ decl = sym->backend_decl;
+ TREE_USED(decl) = 1;
+ gcc_assert (GFC_ARRAY_TYPE_P (TREE_TYPE (decl)));
+
+ is_lock_type = sym->ts.type == BT_DERIVED
+ && sym->ts.u.derived->from_intmod == INTMOD_ISO_FORTRAN_ENV
+ && sym->ts.u.derived->intmod_sym_id == ISOFORTRAN_LOCK_TYPE;
+
+ is_event_type = sym->ts.type == BT_DERIVED
+ && sym->ts.u.derived->from_intmod == INTMOD_ISO_FORTRAN_ENV
+ && sym->ts.u.derived->intmod_sym_id == ISOFORTRAN_EVENT_TYPE;
+
+ /* FIXME: Workaround for PR middle-end/49106, cf. also PR middle-end/49108
+ to make sure the variable is not optimized away. */
+ DECL_PRESERVE_P (DECL_CONTEXT (decl)) = 1;
+
+ /* For lock types, we pass the array size as only the library knows the
+ size of the variable. */
+ if (is_lock_type || is_event_type)
+ size = gfc_index_one_node;
+ else
+ size = TYPE_SIZE_UNIT (gfc_get_element_type (TREE_TYPE (decl)));
+
+ /* Ensure that we do not have size=0 for zero-sized arrays. */
+ size = fold_build2_loc (input_location, MAX_EXPR, size_type_node,
+ fold_convert (size_type_node, size),
+ build_int_cst (size_type_node, 1));
+
+ if (GFC_TYPE_ARRAY_RANK (TREE_TYPE (decl)))
+ {
+ tmp = GFC_TYPE_ARRAY_SIZE (TREE_TYPE (decl));
+ size = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
+ fold_convert (size_type_node, tmp), size);
+ }
+
+ gcc_assert (GFC_TYPE_ARRAY_CAF_TOKEN (TREE_TYPE (decl)) != NULL_TREE);
+ token = gfc_build_addr_expr (ppvoid_type_node,
+ GFC_TYPE_ARRAY_CAF_TOKEN (TREE_TYPE(decl)));
+ if (is_lock_type)
+ reg_type = sym->attr.artificial ? GFC_CAF_CRITICAL : GFC_CAF_LOCK_STATIC;
+ else if (is_event_type)
+ reg_type = GFC_CAF_EVENT_STATIC;
+ else
+ reg_type = GFC_CAF_COARRAY_STATIC;
+
+ /* Compile the symbol attribute. */
+ if (sym->ts.type == BT_CLASS)
+ {
+ attr = CLASS_DATA (sym)->attr;
+ /* The pointer attribute is always set on classes, overwrite it with the
+ class_pointer attribute, which denotes the pointer for classes. */
+ attr.pointer = attr.class_pointer;
+ }
+ else
+ attr = sym->attr;
+ gfc_init_se (&se, NULL);
+ desc = gfc_conv_scalar_to_descriptor (&se, decl, attr);
+ gfc_add_block_to_block (&caf_init_block, &se.pre);
+
+ tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_register, 7, size,
+ build_int_cst (integer_type_node, reg_type),
+ token, gfc_build_addr_expr (pvoid_type_node, desc),
+ null_pointer_node, /* stat. */
+ null_pointer_node, /* errgmsg. */
+ build_zero_cst (size_type_node)); /* errmsg_len. */
+ gfc_add_expr_to_block (&caf_init_block, tmp);
+ gfc_add_modify (&caf_init_block, decl, fold_convert (TREE_TYPE (decl),
+ gfc_conv_descriptor_data_get (desc)));
+
+ /* Handle "static" initializer. */
+ if (sym->value)
+ {
+ if (sym->value->expr_type == EXPR_ARRAY)
+ {
+ gfc_constructor *c, *cnext;
+
+ /* Test if the array has more than one element. */
+ c = gfc_constructor_first (sym->value->value.constructor);
+ gcc_assert (c); /* Empty constructor should not happen here. */
+ cnext = gfc_constructor_next (c);
+
+ if (cnext)
+ {
+ /* An EXPR_ARRAY with a rank > 1 here has to come from a
+ DATA statement. Set its rank here as not to confuse
+ the following steps. */
+ sym->value->rank = 1;
+ }
+ else
+ {
+ /* There is only a single value in the constructor, use
+ it directly for the assignment. */
+ gfc_expr *new_expr;
+ new_expr = gfc_copy_expr (c->expr);
+ gfc_free_expr (sym->value);
+ sym->value = new_expr;
+ }
+ }
+
+ sym->attr.pointer = 1;
+ tmp = gfc_trans_assignment (gfc_lval_expr_from_sym (sym), sym->value,
+ true, false);
+ sym->attr.pointer = 0;
+ gfc_add_expr_to_block (&caf_init_block, tmp);
+ }
+ else if (sym->ts.type == BT_DERIVED && sym->ts.u.derived->attr.pointer_comp)
+ {
+ tmp = gfc_nullify_alloc_comp (sym->ts.u.derived, decl, sym->as
+ ? sym->as->rank : 0,
+ GFC_STRUCTURE_CAF_MODE_IN_COARRAY);
+ gfc_add_expr_to_block (&caf_init_block, tmp);
+ }
+}
+
+
+/* Generate constructor function to initialize static, nonallocatable
+ coarrays. */
+
+static void
+generate_coarray_init (gfc_namespace * ns __attribute((unused)))
+{
+ tree fndecl, tmp, decl, save_fn_decl;
+
+ save_fn_decl = current_function_decl;
+ push_function_context ();
+
+ tmp = build_function_type_list (void_type_node, NULL_TREE);
+ fndecl = build_decl (input_location, FUNCTION_DECL,
+ create_tmp_var_name ("_caf_init"), tmp);
+
+ DECL_STATIC_CONSTRUCTOR (fndecl) = 1;
+ SET_DECL_INIT_PRIORITY (fndecl, DEFAULT_INIT_PRIORITY);
+
+ decl = build_decl (input_location, RESULT_DECL, NULL_TREE, void_type_node);
+ DECL_ARTIFICIAL (decl) = 1;
+ DECL_IGNORED_P (decl) = 1;
+ DECL_CONTEXT (decl) = fndecl;
+ DECL_RESULT (fndecl) = decl;
+
+ pushdecl (fndecl);
+ current_function_decl = fndecl;
+ announce_function (fndecl);
+
+ rest_of_decl_compilation (fndecl, 0, 0);
+ make_decl_rtl (fndecl);
+ allocate_struct_function (fndecl, false);
+
+ pushlevel ();
+ gfc_init_block (&caf_init_block);
+
+ gfc_traverse_ns (ns, generate_coarray_sym_init);
+
+ DECL_SAVED_TREE (fndecl) = gfc_finish_block (&caf_init_block);
+ decl = getdecls ();
+
+ poplevel (1, 1);
+ BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
+
+ DECL_SAVED_TREE (fndecl)
+ = fold_build3_loc (DECL_SOURCE_LOCATION (fndecl), BIND_EXPR, void_type_node,
+ decl, DECL_SAVED_TREE (fndecl), DECL_INITIAL (fndecl));
+ dump_function (TDI_original, fndecl);
+
+ cfun->function_end_locus = input_location;
+ set_cfun (NULL);
+
+ if (decl_function_context (fndecl))
+ (void) cgraph_node::create (fndecl);
+ else
+ cgraph_node::finalize_function (fndecl, true);
+
+ pop_function_context ();
+ current_function_decl = save_fn_decl;
+}
+
+
+static void
+create_module_nml_decl (gfc_symbol *sym)
+{
+ if (sym->attr.flavor == FL_NAMELIST)
+ {
+ tree decl = generate_namelist_decl (sym);
+ pushdecl (decl);
+ gcc_assert (sym->ns->proc_name->attr.flavor == FL_MODULE);
+ DECL_CONTEXT (decl) = sym->ns->proc_name->backend_decl;
+ rest_of_decl_compilation (decl, 1, 0);
+ gfc_module_add_decl (cur_module, decl);
+ }
+}
+
+
+/* Generate all the required code for module variables. */
+
+void
+gfc_generate_module_vars (gfc_namespace * ns)
+{
+ module_namespace = ns;
+ cur_module = gfc_find_module (ns->proc_name->name);
+
+ /* Check if the frontend left the namespace in a reasonable state. */
+ gcc_assert (ns->proc_name && !ns->proc_name->tlink);
+
+ /* Generate COMMON blocks. */
+ gfc_trans_common (ns);
+
+ has_coarray_vars = false;
+
+ /* Create decls for all the module variables. */
+ gfc_traverse_ns (ns, gfc_create_module_variable);
+ gfc_traverse_ns (ns, create_module_nml_decl);
+
+ if (flag_coarray == GFC_FCOARRAY_LIB && has_coarray_vars)
+ generate_coarray_init (ns);
+
+ cur_module = NULL;
+
+ gfc_trans_use_stmts (ns);
+ gfc_traverse_ns (ns, gfc_emit_parameter_debug_info);
+}
+
+
+static void
+gfc_generate_contained_functions (gfc_namespace * parent)
+{
+ gfc_namespace *ns;
+
+ /* We create all the prototypes before generating any code. */
+ for (ns = parent->contained; ns; ns = ns->sibling)
+ {
+ /* Skip namespaces from used modules. */
+ if (ns->parent != parent)
+ continue;
+
+ gfc_create_function_decl (ns, false);
+ }
+
+ for (ns = parent->contained; ns; ns = ns->sibling)
+ {
+ /* Skip namespaces from used modules. */
+ if (ns->parent != parent)
+ continue;
+
+ gfc_generate_function_code (ns);
+ }
+}
+
+
+/* Drill down through expressions for the array specification bounds and
+ character length calling generate_local_decl for all those variables
+ that have not already been declared. */
+
+static void
+generate_local_decl (gfc_symbol *);
+
+/* Traverse expr, marking all EXPR_VARIABLE symbols referenced. */
+
+static bool
+expr_decls (gfc_expr *e, gfc_symbol *sym,
+ int *f ATTRIBUTE_UNUSED)
+{
+ if (e->expr_type != EXPR_VARIABLE
+ || sym == e->symtree->n.sym
+ || e->symtree->n.sym->mark
+ || e->symtree->n.sym->ns != sym->ns)
+ return false;
+
+ generate_local_decl (e->symtree->n.sym);
+ return false;
+}
+
+static void
+generate_expr_decls (gfc_symbol *sym, gfc_expr *e)
+{
+ gfc_traverse_expr (e, sym, expr_decls, 0);
+}
+
+
+/* Check for dependencies in the character length and array spec. */
+
+static void
+generate_dependency_declarations (gfc_symbol *sym)
+{
+ int i;
+
+ if (sym->ts.type == BT_CHARACTER
+ && sym->ts.u.cl
+ && sym->ts.u.cl->length
+ && sym->ts.u.cl->length->expr_type != EXPR_CONSTANT)
+ generate_expr_decls (sym, sym->ts.u.cl->length);
+
+ if (sym->as && sym->as->rank)
+ {
+ for (i = 0; i < sym->as->rank; i++)
+ {
+ generate_expr_decls (sym, sym->as->lower[i]);
+ generate_expr_decls (sym, sym->as->upper[i]);
+ }
+ }
+}
+
+
+/* Generate decls for all local variables. We do this to ensure correct
+ handling of expressions which only appear in the specification of
+ other functions. */
+
+static void
+generate_local_decl (gfc_symbol * sym)
+{
+ if (sym->attr.flavor == FL_VARIABLE)
+ {
+ if (sym->attr.codimension && !sym->attr.dummy && !sym->attr.allocatable
+ && sym->attr.referenced && !sym->attr.use_assoc)
+ has_coarray_vars = true;
+
+ if (!sym->attr.dummy && !sym->ns->proc_name->attr.entry_master)
+ generate_dependency_declarations (sym);
+
+ if (sym->attr.referenced)
+ gfc_get_symbol_decl (sym);
+
+ /* Warnings for unused dummy arguments. */
+ else if (sym->attr.dummy && !sym->attr.in_namelist)
+ {
+ /* INTENT(out) dummy arguments are likely meant to be set. */
+ if (warn_unused_dummy_argument && sym->attr.intent == INTENT_OUT)
+ {
+ if (sym->ts.type != BT_DERIVED)
+ gfc_warning (OPT_Wunused_dummy_argument,
+ "Dummy argument %qs at %L was declared "
+ "INTENT(OUT) but was not set", sym->name,
+ &sym->declared_at);
+ else if (!gfc_has_default_initializer (sym->ts.u.derived)
+ && !sym->ts.u.derived->attr.zero_comp)
+ gfc_warning (OPT_Wunused_dummy_argument,
+ "Derived-type dummy argument %qs at %L was "
+ "declared INTENT(OUT) but was not set and "
+ "does not have a default initializer",
+ sym->name, &sym->declared_at);
+ if (sym->backend_decl != NULL_TREE)
+ suppress_warning (sym->backend_decl);
+ }
+ else if (warn_unused_dummy_argument)
+ {
+ if (!sym->attr.artificial)
+ gfc_warning (OPT_Wunused_dummy_argument,
+ "Unused dummy argument %qs at %L", sym->name,
+ &sym->declared_at);
+
+ if (sym->backend_decl != NULL_TREE)
+ suppress_warning (sym->backend_decl);
+ }
+ }
+
+ /* Warn for unused variables, but not if they're inside a common
+ block or a namelist. */
+ else if (warn_unused_variable
+ && !(sym->attr.in_common || sym->mark || sym->attr.in_namelist))
+ {
+ if (sym->attr.use_only)
+ {
+ gfc_warning (OPT_Wunused_variable,
+ "Unused module variable %qs which has been "
+ "explicitly imported at %L", sym->name,
+ &sym->declared_at);
+ if (sym->backend_decl != NULL_TREE)
+ suppress_warning (sym->backend_decl);
+ }
+ else if (!sym->attr.use_assoc)
+ {
+ /* Corner case: the symbol may be an entry point. At this point,
+ it may appear to be an unused variable. Suppress warning. */
+ bool enter = false;
+ gfc_entry_list *el;
+
+ for (el = sym->ns->entries; el; el=el->next)
+ if (strcmp(sym->name, el->sym->name) == 0)
+ enter = true;
+
+ if (!enter)
+ gfc_warning (OPT_Wunused_variable,
+ "Unused variable %qs declared at %L",
+ sym->name, &sym->declared_at);
+ if (sym->backend_decl != NULL_TREE)
+ suppress_warning (sym->backend_decl);
+ }
+ }
+
+ /* For variable length CHARACTER parameters, the PARM_DECL already
+ references the length variable, so force gfc_get_symbol_decl
+ even when not referenced. If optimize > 0, it will be optimized
+ away anyway. But do this only after emitting -Wunused-parameter
+ warning if requested. */
+ if (sym->attr.dummy && !sym->attr.referenced
+ && sym->ts.type == BT_CHARACTER
+ && sym->ts.u.cl->backend_decl != NULL
+ && VAR_P (sym->ts.u.cl->backend_decl))
+ {
+ sym->attr.referenced = 1;
+ gfc_get_symbol_decl (sym);
+ }
+
+ /* INTENT(out) dummy arguments and result variables with allocatable
+ components are reset by default and need to be set referenced to
+ generate the code for nullification and automatic lengths. */
+ if (!sym->attr.referenced
+ && sym->ts.type == BT_DERIVED
+ && sym->ts.u.derived->attr.alloc_comp
+ && !sym->attr.pointer
+ && ((sym->attr.dummy && sym->attr.intent == INTENT_OUT)
+ ||
+ (sym->attr.result && sym != sym->result)))
+ {
+ sym->attr.referenced = 1;
+ gfc_get_symbol_decl (sym);
+ }
+
+ /* Check for dependencies in the array specification and string
+ length, adding the necessary declarations to the function. We
+ mark the symbol now, as well as in traverse_ns, to prevent
+ getting stuck in a circular dependency. */
+ sym->mark = 1;
+ }
+ else if (sym->attr.flavor == FL_PARAMETER)
+ {
+ if (warn_unused_parameter
+ && !sym->attr.referenced)
+ {
+ if (!sym->attr.use_assoc)
+ gfc_warning (OPT_Wunused_parameter,
+ "Unused parameter %qs declared at %L", sym->name,
+ &sym->declared_at);
+ else if (sym->attr.use_only)
+ gfc_warning (OPT_Wunused_parameter,
+ "Unused parameter %qs which has been explicitly "
+ "imported at %L", sym->name, &sym->declared_at);
+ }
+
+ if (sym->ns && sym->ns->construct_entities)
+ {
+ /* Construction of the intrinsic modules within a BLOCK
+ construct, where ONLY and RENAMED entities are included,
+ seems to be bogus. This is a workaround that can be removed
+ if someone ever takes on the task to creating full-fledge
+ modules. See PR 69455. */
+ if (sym->attr.referenced
+ && sym->from_intmod != INTMOD_ISO_C_BINDING
+ && sym->from_intmod != INTMOD_ISO_FORTRAN_ENV)
+ gfc_get_symbol_decl (sym);
+ sym->mark = 1;
+ }
+ }
+ else if (sym->attr.flavor == FL_PROCEDURE)
+ {
+ /* TODO: move to the appropriate place in resolve.c. */
+ if (warn_return_type > 0
+ && sym->attr.function
+ && sym->result
+ && sym != sym->result
+ && !sym->result->attr.referenced
+ && !sym->attr.use_assoc
+ && sym->attr.if_source != IFSRC_IFBODY)
+ {
+ gfc_warning (OPT_Wreturn_type,
+ "Return value %qs of function %qs declared at "
+ "%L not set", sym->result->name, sym->name,
+ &sym->result->declared_at);
+
+ /* Prevents "Unused variable" warning for RESULT variables. */
+ sym->result->mark = 1;
+ }
+ }
+
+ if (sym->attr.dummy == 1)
+ {
+ /* The tree type for scalar character dummy arguments of BIND(C)
+ procedures, if they are passed by value, should be unsigned char.
+ The value attribute implies the dummy is a scalar. */
+ if (sym->attr.value == 1 && sym->backend_decl != NULL
+ && sym->ts.type == BT_CHARACTER && sym->ts.is_c_interop
+ && sym->ns->proc_name != NULL && sym->ns->proc_name->attr.is_bind_c)
+ {
+ /* We used to modify the tree here. Now it is done earlier in
+ the front-end, so we only check it here to avoid regressions. */
+ gcc_assert (TREE_CODE (TREE_TYPE (sym->backend_decl)) == INTEGER_TYPE);
+ gcc_assert (TYPE_UNSIGNED (TREE_TYPE (sym->backend_decl)) == 1);
+ gcc_assert (TYPE_PRECISION (TREE_TYPE (sym->backend_decl)) == CHAR_TYPE_SIZE);
+ gcc_assert (DECL_BY_REFERENCE (sym->backend_decl) == 0);
+ }
+
+ /* Unused procedure passed as dummy argument. */
+ if (sym->attr.flavor == FL_PROCEDURE)
+ {
+ if (!sym->attr.referenced && !sym->attr.artificial)
+ {
+ if (warn_unused_dummy_argument)
+ gfc_warning (OPT_Wunused_dummy_argument,
+ "Unused dummy argument %qs at %L", sym->name,
+ &sym->declared_at);
+ }
+
+ /* Silence bogus "unused parameter" warnings from the
+ middle end. */
+ if (sym->backend_decl != NULL_TREE)
+ suppress_warning (sym->backend_decl);
+ }
+ }
+
+ /* Make sure we convert the types of the derived types from iso_c_binding
+ into (void *). */
+ if (sym->attr.flavor != FL_PROCEDURE && sym->attr.is_iso_c
+ && sym->ts.type == BT_DERIVED)
+ sym->backend_decl = gfc_typenode_for_spec (&(sym->ts));
+}
+
+
+static void
+generate_local_nml_decl (gfc_symbol * sym)
+{
+ if (sym->attr.flavor == FL_NAMELIST && !sym->attr.use_assoc)
+ {
+ tree decl = generate_namelist_decl (sym);
+ pushdecl (decl);
+ }
+}
+
+
+static void
+generate_local_vars (gfc_namespace * ns)
+{
+ gfc_traverse_ns (ns, generate_local_decl);
+ gfc_traverse_ns (ns, generate_local_nml_decl);
+}
+
+
+/* Generate a switch statement to jump to the correct entry point. Also
+ creates the label decls for the entry points. */
+
+static tree
+gfc_trans_entry_master_switch (gfc_entry_list * el)
+{
+ stmtblock_t block;
+ tree label;
+ tree tmp;
+ tree val;
+
+ gfc_init_block (&block);
+ for (; el; el = el->next)
+ {
+ /* Add the case label. */
+ label = gfc_build_label_decl (NULL_TREE);
+ val = build_int_cst (gfc_array_index_type, el->id);
+ tmp = build_case_label (val, NULL_TREE, label);
+ gfc_add_expr_to_block (&block, tmp);
+
+ /* And jump to the actual entry point. */
+ label = gfc_build_label_decl (NULL_TREE);
+ tmp = build1_v (GOTO_EXPR, label);
+ gfc_add_expr_to_block (&block, tmp);
+
+ /* Save the label decl. */
+ el->label = label;
+ }
+ tmp = gfc_finish_block (&block);
+ /* The first argument selects the entry point. */
+ val = DECL_ARGUMENTS (current_function_decl);
+ tmp = fold_build2_loc (input_location, SWITCH_EXPR, NULL_TREE, val, tmp);
+ return tmp;
+}
+
+
+/* Add code to string lengths of actual arguments passed to a function against
+ the expected lengths of the dummy arguments. */
+
+static void
+add_argument_checking (stmtblock_t *block, gfc_symbol *sym)
+{
+ gfc_formal_arglist *formal;
+
+ for (formal = gfc_sym_get_dummy_args (sym); formal; formal = formal->next)
+ if (formal->sym && formal->sym->ts.type == BT_CHARACTER
+ && !formal->sym->ts.deferred)
+ {
+ enum tree_code comparison;
+ tree cond;
+ tree argname;
+ gfc_symbol *fsym;
+ gfc_charlen *cl;
+ const char *message;
+
+ fsym = formal->sym;
+ cl = fsym->ts.u.cl;
+
+ gcc_assert (cl);
+ gcc_assert (cl->passed_length != NULL_TREE);
+ gcc_assert (cl->backend_decl != NULL_TREE);
+
+ /* For POINTER, ALLOCATABLE and assumed-shape dummy arguments, the
+ string lengths must match exactly. Otherwise, it is only required
+ that the actual string length is *at least* the expected one.
+ Sequence association allows for a mismatch of the string length
+ if the actual argument is (part of) an array, but only if the
+ dummy argument is an array. (See "Sequence association" in
+ Section 12.4.1.4 for F95 and 12.4.1.5 for F2003.) */
+ if (fsym->attr.pointer || fsym->attr.allocatable
+ || (fsym->as && (fsym->as->type == AS_ASSUMED_SHAPE
+ || fsym->as->type == AS_ASSUMED_RANK)))
+ {
+ comparison = NE_EXPR;
+ message = _("Actual string length does not match the declared one"
+ " for dummy argument '%s' (%ld/%ld)");
+ }
+ else if (fsym->as && fsym->as->rank != 0)
+ continue;
+ else
+ {
+ comparison = LT_EXPR;
+ message = _("Actual string length is shorter than the declared one"
+ " for dummy argument '%s' (%ld/%ld)");
+ }
+
+ /* Build the condition. For optional arguments, an actual length
+ of 0 is also acceptable if the associated string is NULL, which
+ means the argument was not passed. */
+ cond = fold_build2_loc (input_location, comparison, logical_type_node,
+ cl->passed_length, cl->backend_decl);
+ if (fsym->attr.optional)
+ {
+ tree not_absent;
+ tree not_0length;
+ tree absent_failed;
+
+ not_0length = fold_build2_loc (input_location, NE_EXPR,
+ logical_type_node,
+ cl->passed_length,
+ build_zero_cst
+ (TREE_TYPE (cl->passed_length)));
+ /* The symbol needs to be referenced for gfc_get_symbol_decl. */
+ fsym->attr.referenced = 1;
+ not_absent = gfc_conv_expr_present (fsym);
+
+ absent_failed = fold_build2_loc (input_location, TRUTH_OR_EXPR,
+ logical_type_node, not_0length,
+ not_absent);
+
+ cond = fold_build2_loc (input_location, TRUTH_AND_EXPR,
+ logical_type_node, cond, absent_failed);
+ }
+
+ /* Build the runtime check. */
+ argname = gfc_build_cstring_const (fsym->name);
+ argname = gfc_build_addr_expr (pchar_type_node, argname);
+ gfc_trans_runtime_check (true, false, cond, block, &fsym->declared_at,
+ message, argname,
+ fold_convert (long_integer_type_node,
+ cl->passed_length),
+ fold_convert (long_integer_type_node,
+ cl->backend_decl));
+ }
+}
+
+
+static void
+create_main_function (tree fndecl)
+{
+ tree old_context;
+ tree ftn_main;
+ tree tmp, decl, result_decl, argc, argv, typelist, arglist;
+ stmtblock_t body;
+
+ old_context = current_function_decl;
+
+ if (old_context)
+ {
+ push_function_context ();
+ saved_parent_function_decls = saved_function_decls;
+ saved_function_decls = NULL_TREE;
+ }
+
+ /* main() function must be declared with global scope. */
+ gcc_assert (current_function_decl == NULL_TREE);
+
+ /* Declare the function. */
+ tmp = build_function_type_list (integer_type_node, integer_type_node,
+ build_pointer_type (pchar_type_node),
+ NULL_TREE);
+ main_identifier_node = get_identifier ("main");
+ ftn_main = build_decl (input_location, FUNCTION_DECL,
+ main_identifier_node, tmp);
+ DECL_EXTERNAL (ftn_main) = 0;
+ TREE_PUBLIC (ftn_main) = 1;
+ TREE_STATIC (ftn_main) = 1;
+ DECL_ATTRIBUTES (ftn_main)
+ = tree_cons (get_identifier("externally_visible"), NULL_TREE, NULL_TREE);
+
+ /* Setup the result declaration (for "return 0"). */
+ result_decl = build_decl (input_location,
+ RESULT_DECL, NULL_TREE, integer_type_node);
+ DECL_ARTIFICIAL (result_decl) = 1;
+ DECL_IGNORED_P (result_decl) = 1;
+ DECL_CONTEXT (result_decl) = ftn_main;
+ DECL_RESULT (ftn_main) = result_decl;
+
+ pushdecl (ftn_main);
+
+ /* Get the arguments. */
+
+ arglist = NULL_TREE;
+ typelist = TYPE_ARG_TYPES (TREE_TYPE (ftn_main));
+
+ tmp = TREE_VALUE (typelist);
+ argc = build_decl (input_location, PARM_DECL, get_identifier ("argc"), tmp);
+ DECL_CONTEXT (argc) = ftn_main;
+ DECL_ARG_TYPE (argc) = TREE_VALUE (typelist);
+ TREE_READONLY (argc) = 1;
+ gfc_finish_decl (argc);
+ arglist = chainon (arglist, argc);
+
+ typelist = TREE_CHAIN (typelist);
+ tmp = TREE_VALUE (typelist);
+ argv = build_decl (input_location, PARM_DECL, get_identifier ("argv"), tmp);
+ DECL_CONTEXT (argv) = ftn_main;
+ DECL_ARG_TYPE (argv) = TREE_VALUE (typelist);
+ TREE_READONLY (argv) = 1;
+ DECL_BY_REFERENCE (argv) = 1;
+ gfc_finish_decl (argv);
+ arglist = chainon (arglist, argv);
+
+ DECL_ARGUMENTS (ftn_main) = arglist;
+ current_function_decl = ftn_main;
+ announce_function (ftn_main);
+
+ rest_of_decl_compilation (ftn_main, 1, 0);
+ make_decl_rtl (ftn_main);
+ allocate_struct_function (ftn_main, false);
+ pushlevel ();
+
+ gfc_init_block (&body);
+
+ /* Call some libgfortran initialization routines, call then MAIN__(). */
+
+ /* Call _gfortran_caf_init (*argc, ***argv). */
+ if (flag_coarray == GFC_FCOARRAY_LIB)
+ {
+ tree pint_type, pppchar_type;
+ pint_type = build_pointer_type (integer_type_node);
+ pppchar_type
+ = build_pointer_type (build_pointer_type (pchar_type_node));
+
+ tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_init, 2,
+ gfc_build_addr_expr (pint_type, argc),
+ gfc_build_addr_expr (pppchar_type, argv));
+ gfc_add_expr_to_block (&body, tmp);
+ }
+
+ /* Call _gfortran_set_args (argc, argv). */
+ TREE_USED (argc) = 1;
+ TREE_USED (argv) = 1;
+ tmp = build_call_expr_loc (input_location,
+ gfor_fndecl_set_args, 2, argc, argv);
+ gfc_add_expr_to_block (&body, tmp);
+
+ /* Add a call to set_options to set up the runtime library Fortran
+ language standard parameters. */
+ {
+ tree array_type, array, var;
+ vec<constructor_elt, va_gc> *v = NULL;
+ static const int noptions = 7;
+
+ /* Passing a new option to the library requires three modifications:
+ + add it to the tree_cons list below
+ + change the noptions variable above
+ + modify the library (runtime/compile_options.c)! */
+
+ CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
+ build_int_cst (integer_type_node,
+ gfc_option.warn_std));
+ CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
+ build_int_cst (integer_type_node,
+ gfc_option.allow_std));
+ CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
+ build_int_cst (integer_type_node, pedantic));
+ CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
+ build_int_cst (integer_type_node, flag_backtrace));
+ CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
+ build_int_cst (integer_type_node, flag_sign_zero));
+ CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
+ build_int_cst (integer_type_node,
+ (gfc_option.rtcheck
+ & GFC_RTCHECK_BOUNDS)));
+ CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
+ build_int_cst (integer_type_node,
+ gfc_option.fpe_summary));
+
+ array_type = build_array_type_nelts (integer_type_node, noptions);
+ array = build_constructor (array_type, v);
+ TREE_CONSTANT (array) = 1;
+ TREE_STATIC (array) = 1;
+
+ /* Create a static variable to hold the jump table. */
+ var = build_decl (input_location, VAR_DECL,
+ create_tmp_var_name ("options"), array_type);
+ DECL_ARTIFICIAL (var) = 1;
+ DECL_IGNORED_P (var) = 1;
+ TREE_CONSTANT (var) = 1;
+ TREE_STATIC (var) = 1;
+ TREE_READONLY (var) = 1;
+ DECL_INITIAL (var) = array;
+ pushdecl (var);
+ var = gfc_build_addr_expr (build_pointer_type (integer_type_node), var);
+
+ tmp = build_call_expr_loc (input_location,
+ gfor_fndecl_set_options, 2,
+ build_int_cst (integer_type_node, noptions), var);
+ gfc_add_expr_to_block (&body, tmp);
+ }
+
+ /* If -ffpe-trap option was provided, add a call to set_fpe so that
+ the library will raise a FPE when needed. */
+ if (gfc_option.fpe != 0)
+ {
+ tmp = build_call_expr_loc (input_location,
+ gfor_fndecl_set_fpe, 1,
+ build_int_cst (integer_type_node,
+ gfc_option.fpe));
+ gfc_add_expr_to_block (&body, tmp);
+ }
+
+ /* If this is the main program and an -fconvert option was provided,
+ add a call to set_convert. */
+
+ if (flag_convert != GFC_FLAG_CONVERT_NATIVE)
+ {
+ tmp = build_call_expr_loc (input_location,
+ gfor_fndecl_set_convert, 1,
+ build_int_cst (integer_type_node, flag_convert));
+ gfc_add_expr_to_block (&body, tmp);
+ }
+
+ /* If this is the main program and an -frecord-marker option was provided,
+ add a call to set_record_marker. */
+
+ if (flag_record_marker != 0)
+ {
+ tmp = build_call_expr_loc (input_location,
+ gfor_fndecl_set_record_marker, 1,
+ build_int_cst (integer_type_node,
+ flag_record_marker));
+ gfc_add_expr_to_block (&body, tmp);
+ }
+
+ if (flag_max_subrecord_length != 0)
+ {
+ tmp = build_call_expr_loc (input_location,
+ gfor_fndecl_set_max_subrecord_length, 1,
+ build_int_cst (integer_type_node,
+ flag_max_subrecord_length));
+ gfc_add_expr_to_block (&body, tmp);
+ }
+
+ /* Call MAIN__(). */
+ tmp = build_call_expr_loc (input_location,
+ fndecl, 0);
+ gfc_add_expr_to_block (&body, tmp);
+
+ /* Mark MAIN__ as used. */
+ TREE_USED (fndecl) = 1;
+
+ /* Coarray: Call _gfortran_caf_finalize(void). */
+ if (flag_coarray == GFC_FCOARRAY_LIB)
+ {
+ tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_finalize, 0);
+ gfc_add_expr_to_block (&body, tmp);
+ }
+
+ /* "return 0". */
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR, integer_type_node,
+ DECL_RESULT (ftn_main),
+ build_int_cst (integer_type_node, 0));
+ tmp = build1_v (RETURN_EXPR, tmp);
+ gfc_add_expr_to_block (&body, tmp);
+
+
+ DECL_SAVED_TREE (ftn_main) = gfc_finish_block (&body);
+ decl = getdecls ();
+
+ /* Finish off this function and send it for code generation. */
+ poplevel (1, 1);
+ BLOCK_SUPERCONTEXT (DECL_INITIAL (ftn_main)) = ftn_main;
+
+ DECL_SAVED_TREE (ftn_main)
+ = fold_build3_loc (DECL_SOURCE_LOCATION (ftn_main), BIND_EXPR,
+ void_type_node, decl, DECL_SAVED_TREE (ftn_main),
+ DECL_INITIAL (ftn_main));
+
+ /* Output the GENERIC tree. */
+ dump_function (TDI_original, ftn_main);
+
+ cgraph_node::finalize_function (ftn_main, true);
+
+ if (old_context)
+ {
+ pop_function_context ();
+ saved_function_decls = saved_parent_function_decls;
+ }
+ current_function_decl = old_context;
+}
+
+
+/* Generate an appropriate return-statement for a procedure. */
+
+tree
+gfc_generate_return (void)
+{
+ gfc_symbol* sym;
+ tree result;
+ tree fndecl;
+
+ sym = current_procedure_symbol;
+ fndecl = sym->backend_decl;
+
+ if (TREE_TYPE (DECL_RESULT (fndecl)) == void_type_node)
+ result = NULL_TREE;
+ else
+ {
+ result = get_proc_result (sym);
+
+ /* Set the return value to the dummy result variable. The
+ types may be different for scalar default REAL functions
+ with -ff2c, therefore we have to convert. */
+ if (result != NULL_TREE)
+ {
+ result = convert (TREE_TYPE (DECL_RESULT (fndecl)), result);
+ result = fold_build2_loc (input_location, MODIFY_EXPR,
+ TREE_TYPE (result), DECL_RESULT (fndecl),
+ result);
+ }
+ else
+ {
+ /* If the function does not have a result variable, result is
+ NULL_TREE, and a 'return' is generated without a variable.
+ The following generates a 'return __result_XXX' where XXX is
+ the function name. */
+ if (sym == sym->result && sym->attr.function)
+ {
+ result = gfc_get_fake_result_decl (sym, 0);
+ result = fold_build2_loc (input_location, MODIFY_EXPR,
+ TREE_TYPE (result),
+ DECL_RESULT (fndecl), result);
+ }
+ }
+ }
+
+ return build1_v (RETURN_EXPR, result);
+}
+
+
+static void
+is_from_ieee_module (gfc_symbol *sym)
+{
+ if (sym->from_intmod == INTMOD_IEEE_FEATURES
+ || sym->from_intmod == INTMOD_IEEE_EXCEPTIONS
+ || sym->from_intmod == INTMOD_IEEE_ARITHMETIC)
+ seen_ieee_symbol = 1;
+}
+
+
+static int
+is_ieee_module_used (gfc_namespace *ns)
+{
+ seen_ieee_symbol = 0;
+ gfc_traverse_ns (ns, is_from_ieee_module);
+ return seen_ieee_symbol;
+}
+
+
+static gfc_omp_clauses *module_oacc_clauses;
+
+
+static void
+add_clause (gfc_symbol *sym, gfc_omp_map_op map_op)
+{
+ gfc_omp_namelist *n;
+
+ n = gfc_get_omp_namelist ();
+ n->sym = sym;
+ n->u.map_op = map_op;
+
+ if (!module_oacc_clauses)
+ module_oacc_clauses = gfc_get_omp_clauses ();
+
+ if (module_oacc_clauses->lists[OMP_LIST_MAP])
+ n->next = module_oacc_clauses->lists[OMP_LIST_MAP];
+
+ module_oacc_clauses->lists[OMP_LIST_MAP] = n;
+}
+
+
+static void
+find_module_oacc_declare_clauses (gfc_symbol *sym)
+{
+ if (sym->attr.use_assoc)
+ {
+ gfc_omp_map_op map_op;
+
+ if (sym->attr.oacc_declare_create)
+ map_op = OMP_MAP_FORCE_ALLOC;
+
+ if (sym->attr.oacc_declare_copyin)
+ map_op = OMP_MAP_FORCE_TO;
+
+ if (sym->attr.oacc_declare_deviceptr)
+ map_op = OMP_MAP_FORCE_DEVICEPTR;
+
+ if (sym->attr.oacc_declare_device_resident)
+ map_op = OMP_MAP_DEVICE_RESIDENT;
+
+ if (sym->attr.oacc_declare_create
+ || sym->attr.oacc_declare_copyin
+ || sym->attr.oacc_declare_deviceptr
+ || sym->attr.oacc_declare_device_resident)
+ {
+ sym->attr.referenced = 1;
+ add_clause (sym, map_op);
+ }
+ }
+}
+
+
+void
+finish_oacc_declare (gfc_namespace *ns, gfc_symbol *sym, bool block)
+{
+ gfc_code *code;
+ gfc_oacc_declare *oc;
+ locus where = gfc_current_locus;
+ gfc_omp_clauses *omp_clauses = NULL;
+ gfc_omp_namelist *n, *p;
+
+ module_oacc_clauses = NULL;
+ gfc_traverse_ns (ns, find_module_oacc_declare_clauses);
+
+ if (module_oacc_clauses && sym->attr.flavor == FL_PROGRAM)
+ {
+ gfc_oacc_declare *new_oc;
+
+ new_oc = gfc_get_oacc_declare ();
+ new_oc->next = ns->oacc_declare;
+ new_oc->clauses = module_oacc_clauses;
+
+ ns->oacc_declare = new_oc;
+ }
+
+ if (!ns->oacc_declare)
+ return;
+
+ for (oc = ns->oacc_declare; oc; oc = oc->next)
+ {
+ if (oc->module_var)
+ continue;
+
+ if (block)
+ gfc_error ("Sorry, !$ACC DECLARE at %L is not allowed "
+ "in BLOCK construct", &oc->loc);
+
+
+ if (oc->clauses && oc->clauses->lists[OMP_LIST_MAP])
+ {
+ if (omp_clauses == NULL)
+ {
+ omp_clauses = oc->clauses;
+ continue;
+ }
+
+ for (n = oc->clauses->lists[OMP_LIST_MAP]; n; p = n, n = n->next)
+ ;
+
+ gcc_assert (p->next == NULL);
+
+ p->next = omp_clauses->lists[OMP_LIST_MAP];
+ omp_clauses = oc->clauses;
+ }
+ }
+
+ if (!omp_clauses)
+ return;
+
+ for (n = omp_clauses->lists[OMP_LIST_MAP]; n; n = n->next)
+ {
+ switch (n->u.map_op)
+ {
+ case OMP_MAP_DEVICE_RESIDENT:
+ n->u.map_op = OMP_MAP_FORCE_ALLOC;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ code = XCNEW (gfc_code);
+ code->op = EXEC_OACC_DECLARE;
+ code->loc = where;
+
+ code->ext.oacc_declare = gfc_get_oacc_declare ();
+ code->ext.oacc_declare->clauses = omp_clauses;
+
+ code->block = XCNEW (gfc_code);
+ code->block->op = EXEC_OACC_DECLARE;
+ code->block->loc = where;
+
+ if (ns->code)
+ code->block->next = ns->code;
+
+ ns->code = code;
+
+ return;
+}
+
+static void
+gfc_conv_cfi_to_gfc (stmtblock_t *init, stmtblock_t *finally,
+ tree cfi_desc, tree gfc_desc, gfc_symbol *sym)
+{
+ stmtblock_t block;
+ gfc_init_block (&block);
+ tree cfi = build_fold_indirect_ref_loc (input_location, cfi_desc);
+ tree idx, etype, tmp, tmp2, size_var = NULL_TREE, rank = NULL_TREE;
+ bool do_copy_inout = false;
+
+ /* When allocatable + intent out, free the cfi descriptor. */
+ if (sym->attr.allocatable && sym->attr.intent == INTENT_OUT)
+ {
+ tmp = gfc_get_cfi_desc_base_addr (cfi);
+ tree call = builtin_decl_explicit (BUILT_IN_FREE);
+ call = build_call_expr_loc (input_location, call, 1, tmp);
+ gfc_add_expr_to_block (&block, fold_convert (void_type_node, call));
+ gfc_add_modify (&block, tmp,
+ fold_convert (TREE_TYPE (tmp), null_pointer_node));
+ }
+
+ /* -fcheck=bound: Do version, rank, attribute, type and is-NULL checks. */
+ if (gfc_option.rtcheck & GFC_RTCHECK_BOUNDS)
+ {
+ char *msg;
+ tree tmp3;
+ msg = xasprintf ("Unexpected version %%d (expected %d) in CFI descriptor "
+ "passed to dummy argument %s", CFI_VERSION, sym->name);
+ tmp2 = gfc_get_cfi_desc_version (cfi);
+ tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node, tmp2,
+ build_int_cst (TREE_TYPE (tmp2), CFI_VERSION));
+ gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
+ msg, tmp2);
+ free (msg);
+
+ /* Rank check; however, for character(len=*), assumed/explicit-size arrays
+ are permitted to differ in rank according to the Fortran rules. */
+ if (sym->as && sym->as->type != AS_ASSUMED_SIZE
+ && sym->as->type != AS_EXPLICIT)
+ {
+ if (sym->as->rank != -1)
+ msg = xasprintf ("Invalid rank %%d (expected %d) in CFI descriptor "
+ "passed to dummy argument %s", sym->as->rank,
+ sym->name);
+ else
+ msg = xasprintf ("Invalid rank %%d (expected 0..%d) in CFI "
+ "descriptor passed to dummy argument %s",
+ CFI_MAX_RANK, sym->name);
+
+ tmp3 = tmp2 = tmp = gfc_get_cfi_desc_rank (cfi);
+ if (sym->as->rank != -1)
+ tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ tmp, build_int_cst (signed_char_type_node,
+ sym->as->rank));
+ else
+ {
+ tmp = fold_build2_loc (input_location, LT_EXPR, boolean_type_node,
+ tmp, build_zero_cst (TREE_TYPE (tmp)));
+ tmp2 = fold_build2_loc (input_location, GT_EXPR,
+ boolean_type_node, tmp2,
+ build_int_cst (TREE_TYPE (tmp2),
+ CFI_MAX_RANK));
+ tmp = fold_build2_loc (input_location, TRUTH_AND_EXPR,
+ boolean_type_node, tmp, tmp2);
+ }
+ gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
+ msg, tmp3);
+ free (msg);
+ }
+
+ tmp3 = tmp = gfc_get_cfi_desc_attribute (cfi);
+ if (sym->attr.allocatable || sym->attr.pointer)
+ {
+ int attr = (sym->attr.pointer ? CFI_attribute_pointer
+ : CFI_attribute_allocatable);
+ msg = xasprintf ("Invalid attribute %%d (expected %d) in CFI "
+ "descriptor passed to dummy argument %s with %s "
+ "attribute", attr, sym->name,
+ sym->attr.pointer ? "pointer" : "allocatable");
+ tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ tmp, build_int_cst (TREE_TYPE (tmp), attr));
+ }
+ else
+ {
+ int amin = MIN (CFI_attribute_pointer,
+ MIN (CFI_attribute_allocatable, CFI_attribute_other));
+ int amax = MAX (CFI_attribute_pointer,
+ MAX (CFI_attribute_allocatable, CFI_attribute_other));
+ msg = xasprintf ("Invalid attribute %%d (expected %d..%d) in CFI "
+ "descriptor passed to nonallocatable, nonpointer "
+ "dummy argument %s", amin, amax, sym->name);
+ tmp2 = tmp;
+ tmp = fold_build2_loc (input_location, LT_EXPR, boolean_type_node, tmp,
+ build_int_cst (TREE_TYPE (tmp), amin));
+ tmp2 = fold_build2_loc (input_location, GT_EXPR, boolean_type_node, tmp2,
+ build_int_cst (TREE_TYPE (tmp2), amax));
+ tmp = fold_build2_loc (input_location, TRUTH_AND_EXPR,
+ boolean_type_node, tmp, tmp2);
+ gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
+ msg, tmp3);
+ free (msg);
+ msg = xasprintf ("Invalid unallocatated/unassociated CFI "
+ "descriptor passed to nonallocatable, nonpointer "
+ "dummy argument %s", sym->name);
+ tmp3 = tmp = gfc_get_cfi_desc_base_addr (cfi),
+ tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
+ tmp, null_pointer_node);
+ }
+ gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
+ msg, tmp3);
+ free (msg);
+
+ if (sym->ts.type != BT_ASSUMED)
+ {
+ int type = CFI_type_other;
+ if (sym->ts.f90_type == BT_VOID)
+ {
+ type = (sym->ts.u.derived->intmod_sym_id == ISOCBINDING_FUNPTR
+ ? CFI_type_cfunptr : CFI_type_cptr);
+ }
+ else
+ switch (sym->ts.type)
+ {
+ case BT_INTEGER:
+ case BT_LOGICAL:
+ case BT_REAL:
+ case BT_COMPLEX:
+ type = CFI_type_from_type_kind (sym->ts.type, sym->ts.kind);
+ break;
+ case BT_CHARACTER:
+ type = CFI_type_from_type_kind (CFI_type_Character,
+ sym->ts.kind);
+ break;
+ case BT_DERIVED:
+ type = CFI_type_struct;
+ break;
+ case BT_VOID:
+ type = (sym->ts.u.derived->intmod_sym_id == ISOCBINDING_FUNPTR
+ ? CFI_type_cfunptr : CFI_type_cptr);
+ break;
+ case BT_ASSUMED:
+ case BT_CLASS:
+ case BT_PROCEDURE:
+ case BT_HOLLERITH:
+ case BT_UNION:
+ case BT_BOZ:
+ case BT_UNKNOWN:
+ gcc_unreachable ();
+ }
+ msg = xasprintf ("Unexpected type %%d (expected %d) in CFI descriptor"
+ " passed to dummy argument %s", type, sym->name);
+ tmp2 = tmp = gfc_get_cfi_desc_type (cfi);
+ tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ tmp, build_int_cst (TREE_TYPE (tmp), type));
+ gfc_trans_runtime_check (true, false, tmp, &block, &sym->declared_at,
+ msg, tmp2);
+ free (msg);
+ }
+ }
+
+ if (!sym->attr.referenced)
+ goto done;
+
+ /* Set string length for len=* and len=:, otherwise, it is already set. */
+ if (sym->ts.type == BT_CHARACTER && !sym->ts.u.cl->length)
+ {
+ tmp = fold_convert (gfc_array_index_type,
+ gfc_get_cfi_desc_elem_len (cfi));
+ if (sym->ts.kind != 1)
+ tmp = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
+ gfc_array_index_type, tmp,
+ build_int_cst (gfc_charlen_type_node,
+ sym->ts.kind));
+ gfc_add_modify (&block, sym->ts.u.cl->backend_decl, tmp);
+ }
+
+ if (sym->ts.type == BT_CHARACTER
+ && !INTEGER_CST_P (sym->ts.u.cl->backend_decl))
+ {
+ gfc_conv_string_length (sym->ts.u.cl, NULL, init);
+ gfc_trans_vla_type_sizes (sym, init);
+ }
+
+ /* gfc->data = cfi->base_addr - or for scalars: gfc = cfi->base_addr.
+ assumed-size/explicit-size arrays end up here for character(len=*)
+ only. */
+ if (!sym->attr.dimension || !GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
+ {
+ tmp = gfc_get_cfi_desc_base_addr (cfi);
+ gfc_add_modify (&block, gfc_desc,
+ fold_convert (TREE_TYPE (gfc_desc), tmp));
+ if (!sym->attr.dimension)
+ goto done;
+ }
+
+ if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
+ {
+ /* gfc->dtype = ... (from declaration, not from cfi). */
+ etype = gfc_get_element_type (TREE_TYPE (gfc_desc));
+ gfc_add_modify (&block, gfc_conv_descriptor_dtype (gfc_desc),
+ gfc_get_dtype_rank_type (sym->as->rank, etype));
+ /* gfc->data = cfi->base_addr. */
+ gfc_conv_descriptor_data_set (&block, gfc_desc,
+ gfc_get_cfi_desc_base_addr (cfi));
+ }
+
+ if (sym->ts.type == BT_ASSUMED)
+ {
+ /* For type(*), take elem_len + dtype.type from the actual argument. */
+ gfc_add_modify (&block, gfc_conv_descriptor_elem_len (gfc_desc),
+ gfc_get_cfi_desc_elem_len (cfi));
+ tree cond;
+ tree ctype = gfc_get_cfi_desc_type (cfi);
+ ctype = fold_build2_loc (input_location, BIT_AND_EXPR, TREE_TYPE (ctype),
+ ctype, build_int_cst (TREE_TYPE (ctype),
+ CFI_type_mask));
+ tree type = gfc_conv_descriptor_type (gfc_desc);
+
+ /* if (CFI_type_cptr) BT_VOID else BT_UNKNOWN */
+ /* Note: BT_VOID is could also be CFI_type_funcptr, but assume c_ptr. */
+ cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
+ build_int_cst (TREE_TYPE (ctype), CFI_type_cptr));
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
+ build_int_cst (TREE_TYPE (type), BT_VOID));
+ tmp2 = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node,
+ type,
+ build_int_cst (TREE_TYPE (type), BT_UNKNOWN));
+ tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
+ tmp, tmp2);
+ /* if (CFI_type_struct) BT_DERIVED else < tmp2 > */
+ cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
+ build_int_cst (TREE_TYPE (ctype),
+ CFI_type_struct));
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
+ build_int_cst (TREE_TYPE (type), BT_DERIVED));
+ tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
+ tmp, tmp2);
+ /* if (CFI_type_Character) BT_CHARACTER else < tmp2 > */
+ /* Note: this is kind=1, CFI_type_ucs4_char is handled in the 'else if'
+ before (see below, as generated bottom up). */
+ cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
+ build_int_cst (TREE_TYPE (ctype),
+ CFI_type_Character));
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
+ build_int_cst (TREE_TYPE (type), BT_CHARACTER));
+ tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
+ tmp, tmp2);
+ /* if (CFI_type_ucs4_char) BT_CHARACTER else < tmp2 > */
+ /* Note: gfc->elem_len = cfi->elem_len/4. */
+ /* However, assuming that CFI_type_ucs4_char cannot be recovered, leave
+ gfc->elem_len == cfi->elem_len, which helps with operations which use
+ sizeof() in Fortran and cfi->elem_len in C. */
+ tmp = gfc_get_cfi_desc_type (cfi);
+ cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, tmp,
+ build_int_cst (TREE_TYPE (tmp),
+ CFI_type_ucs4_char));
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
+ build_int_cst (TREE_TYPE (type), BT_CHARACTER));
+ tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
+ tmp, tmp2);
+ /* if (CFI_type_Complex) BT_COMPLEX + cfi->elem_len/2 else < tmp2 > */
+ cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
+ build_int_cst (TREE_TYPE (ctype),
+ CFI_type_Complex));
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node, type,
+ build_int_cst (TREE_TYPE (type), BT_COMPLEX));
+ tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
+ tmp, tmp2);
+ /* if (CFI_type_Integer || CFI_type_Logical || CFI_type_Real)
+ ctype else <tmp2> */
+ cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
+ build_int_cst (TREE_TYPE (ctype),
+ CFI_type_Integer));
+ tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
+ build_int_cst (TREE_TYPE (ctype),
+ CFI_type_Logical));
+ cond = fold_build2_loc (input_location, TRUTH_OR_EXPR, boolean_type_node,
+ cond, tmp);
+ tmp = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node, ctype,
+ build_int_cst (TREE_TYPE (ctype),
+ CFI_type_Real));
+ cond = fold_build2_loc (input_location, TRUTH_OR_EXPR, boolean_type_node,
+ cond, tmp);
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node,
+ type, fold_convert (TREE_TYPE (type), ctype));
+ tmp2 = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
+ tmp, tmp2);
+ gfc_add_expr_to_block (&block, tmp2);
+ }
+
+ if (sym->as->rank < 0)
+ {
+ /* Set gfc->dtype.rank, if assumed-rank. */
+ rank = gfc_get_cfi_desc_rank (cfi);
+ gfc_add_modify (&block, gfc_conv_descriptor_rank (gfc_desc), rank);
+ }
+ else if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
+ /* In that case, the CFI rank and the declared rank can differ. */
+ rank = gfc_get_cfi_desc_rank (cfi);
+ else
+ rank = build_int_cst (signed_char_type_node, sym->as->rank);
+
+ /* With bind(C), the standard requires that both Fortran callers and callees
+ handle noncontiguous arrays passed to an dummy with 'contiguous' attribute
+ and with character(len=*) + assumed-size/explicit-size arrays.
+ cf. Fortran 2018, 18.3.6, paragraph 5 (and for the caller: para. 6). */
+ if ((sym->ts.type == BT_CHARACTER && !sym->ts.u.cl->length
+ && (sym->as->type == AS_ASSUMED_SIZE || sym->as->type == AS_EXPLICIT))
+ || sym->attr.contiguous)
+ {
+ do_copy_inout = true;
+ gcc_assert (!sym->attr.pointer);
+ stmtblock_t block2;
+ tree data;
+ if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
+ data = gfc_conv_descriptor_data_get (gfc_desc);
+ else if (!POINTER_TYPE_P (TREE_TYPE (gfc_desc)))
+ data = gfc_build_addr_expr (NULL, gfc_desc);
+ else
+ data = gfc_desc;
+
+ /* Is copy-in/out needed? */
+ /* do_copyin = rank != 0 && !assumed-size */
+ tree cond_var = gfc_create_var (boolean_type_node, "do_copyin");
+ tree cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ rank, build_zero_cst (TREE_TYPE (rank)));
+ /* dim[rank-1].extent != -1 -> assumed size*/
+ tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (rank),
+ rank, build_int_cst (TREE_TYPE (rank), 1));
+ tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ gfc_get_cfi_dim_extent (cfi, tmp),
+ build_int_cst (gfc_array_index_type, -1));
+ cond = fold_build2_loc (input_location, TRUTH_ANDIF_EXPR,
+ boolean_type_node, cond, tmp);
+ gfc_add_modify (&block, cond_var, cond);
+ /* if (do_copyin) do_copyin = ... || ... || ... */
+ gfc_init_block (&block2);
+ /* dim[0].sm != elem_len */
+ tmp = fold_convert (gfc_array_index_type,
+ gfc_get_cfi_desc_elem_len (cfi));
+ cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ gfc_get_cfi_dim_sm (cfi, gfc_index_zero_node),
+ tmp);
+ gfc_add_modify (&block2, cond_var, cond);
+
+ /* for (i = 1; i < rank; ++i)
+ cond &&= dim[i].sm != (dv->dim[i - 1].sm * dv->dim[i - 1].extent) */
+ idx = gfc_create_var (TREE_TYPE (rank), "idx");
+ stmtblock_t loop_body;
+ gfc_init_block (&loop_body);
+ tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (idx),
+ idx, build_int_cst (TREE_TYPE (idx), 1));
+ tree tmp2 = gfc_get_cfi_dim_sm (cfi, tmp);
+ tmp = gfc_get_cfi_dim_extent (cfi, tmp);
+ tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (tmp),
+ tmp2, tmp);
+ cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ gfc_get_cfi_dim_sm (cfi, idx), tmp);
+ cond = fold_build2_loc (input_location, TRUTH_OR_EXPR, boolean_type_node,
+ cond_var, cond);
+ gfc_add_modify (&loop_body, cond_var, cond);
+ gfc_simple_for_loop (&block2, idx, build_int_cst (TREE_TYPE (idx), 1),
+ rank, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
+ gfc_finish_block (&loop_body));
+ tmp = build3_v (COND_EXPR, cond_var, gfc_finish_block (&block2),
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block, tmp);
+
+ /* Copy-in body. */
+ gfc_init_block (&block2);
+ /* size = dim[0].extent; for (i = 1; i < rank; ++i) size *= dim[i].extent */
+ size_var = gfc_create_var (size_type_node, "size");
+ tmp = fold_convert (size_type_node,
+ gfc_get_cfi_dim_extent (cfi, gfc_index_zero_node));
+ gfc_add_modify (&block2, size_var, tmp);
+
+ gfc_init_block (&loop_body);
+ tmp = fold_convert (size_type_node,
+ gfc_get_cfi_dim_extent (cfi, idx));
+ tmp = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
+ size_var, fold_convert (size_type_node, tmp));
+ gfc_add_modify (&loop_body, size_var, tmp);
+ gfc_simple_for_loop (&block2, idx, build_int_cst (TREE_TYPE (idx), 1),
+ rank, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
+ gfc_finish_block (&loop_body));
+ /* data = malloc (size * elem_len) */
+ tmp = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
+ size_var, gfc_get_cfi_desc_elem_len (cfi));
+ tree call = builtin_decl_explicit (BUILT_IN_MALLOC);
+ call = build_call_expr_loc (input_location, call, 1, tmp);
+ gfc_add_modify (&block2, data, fold_convert (TREE_TYPE (data), call));
+
+ /* Copy the data:
+ for (idx = 0; idx < size; ++idx)
+ {
+ shift = 0;
+ tmpidx = idx
+ for (dim = 0; dim < rank; ++dim)
+ {
+ shift += (tmpidx % extent[d]) * sm[d]
+ tmpidx = tmpidx / extend[d]
+ }
+ memcpy (lhs + idx*elem_len, rhs + shift, elem_len)
+ } .*/
+ idx = gfc_create_var (size_type_node, "arrayidx");
+ gfc_init_block (&loop_body);
+ tree shift = gfc_create_var (size_type_node, "shift");
+ tree tmpidx = gfc_create_var (size_type_node, "tmpidx");
+ gfc_add_modify (&loop_body, shift, build_zero_cst (TREE_TYPE (shift)));
+ gfc_add_modify (&loop_body, tmpidx, idx);
+ stmtblock_t inner_loop;
+ gfc_init_block (&inner_loop);
+ tree dim = gfc_create_var (TREE_TYPE (rank), "dim");
+ /* shift += (tmpidx % extent[d]) * sm[d] */
+ tmp = fold_build2_loc (input_location, TRUNC_MOD_EXPR,
+ size_type_node, tmpidx,
+ fold_convert (size_type_node,
+ gfc_get_cfi_dim_extent (cfi, dim)));
+ tmp = fold_build2_loc (input_location, MULT_EXPR,
+ size_type_node, tmp,
+ fold_convert (size_type_node,
+ gfc_get_cfi_dim_sm (cfi, dim)));
+ gfc_add_modify (&inner_loop, shift,
+ fold_build2_loc (input_location, PLUS_EXPR,
+ size_type_node, shift, tmp));
+ /* tmpidx = tmpidx / extend[d] */
+ tmp = fold_convert (size_type_node, gfc_get_cfi_dim_extent (cfi, dim));
+ gfc_add_modify (&inner_loop, tmpidx,
+ fold_build2_loc (input_location, TRUNC_DIV_EXPR,
+ size_type_node, tmpidx, tmp));
+ gfc_simple_for_loop (&loop_body, dim, build_zero_cst (TREE_TYPE (rank)),
+ rank, LT_EXPR, build_int_cst (TREE_TYPE (dim), 1),
+ gfc_finish_block (&inner_loop));
+ /* Assign. */
+ tmp = fold_convert (pchar_type_node, gfc_get_cfi_desc_base_addr (cfi));
+ tmp = fold_build2 (POINTER_PLUS_EXPR, pchar_type_node, tmp, shift);
+ tree lhs;
+ /* memcpy (lhs + idx*elem_len, rhs + shift, elem_len) */
+ tree elem_len;
+ if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
+ elem_len = gfc_conv_descriptor_elem_len (gfc_desc);
+ else
+ elem_len = gfc_get_cfi_desc_elem_len (cfi);
+ lhs = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
+ elem_len, idx);
+ lhs = fold_build2_loc (input_location, POINTER_PLUS_EXPR, pchar_type_node,
+ fold_convert (pchar_type_node, data), lhs);
+ tmp = fold_convert (pvoid_type_node, tmp);
+ lhs = fold_convert (pvoid_type_node, lhs);
+ call = builtin_decl_explicit (BUILT_IN_MEMCPY);
+ call = build_call_expr_loc (input_location, call, 3, lhs, tmp, elem_len);
+ gfc_add_expr_to_block (&loop_body, fold_convert (void_type_node, call));
+ gfc_simple_for_loop (&block2, idx, build_zero_cst (TREE_TYPE (idx)),
+ size_var, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
+ gfc_finish_block (&loop_body));
+ /* if (cond) { block2 } */
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node,
+ data, fold_convert (TREE_TYPE (data),
+ null_pointer_node));
+ tmp = build3_v (COND_EXPR, cond_var, gfc_finish_block (&block2),
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block, tmp);
+ }
+
+ if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
+ {
+ tree offset, type;
+ type = TREE_TYPE (gfc_desc);
+ gfc_trans_array_bounds (type, sym, &offset, &block);
+ if (VAR_P (GFC_TYPE_ARRAY_OFFSET (type)))
+ gfc_add_modify (&block, GFC_TYPE_ARRAY_OFFSET (type), offset);
+ goto done;
+ }
+
+ /* If cfi->data != NULL. */
+ stmtblock_t block2;
+ gfc_init_block (&block2);
+
+ /* if do_copy_inout: gfc->dspan = gfc->dtype.elem_len
+ We use gfc instead of cfi on the RHS as this might be a constant. */
+ tmp = fold_convert (gfc_array_index_type,
+ gfc_conv_descriptor_elem_len (gfc_desc));
+ if (!do_copy_inout)
+ {
+ /* gfc->dspan = ((cfi->dim[0].sm % gfc->elem_len)
+ ? cfi->dim[0].sm : gfc->elem_len). */
+ tree cond;
+ tree tmp2 = gfc_get_cfi_dim_sm (cfi, gfc_rank_cst[0]);
+ cond = fold_build2_loc (input_location, TRUNC_MOD_EXPR,
+ gfc_array_index_type, tmp2, tmp);
+ cond = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ cond, gfc_index_zero_node);
+ tmp = build3_loc (input_location, COND_EXPR, gfc_array_index_type, cond,
+ tmp2, tmp);
+ }
+ gfc_conv_descriptor_span_set (&block2, gfc_desc, tmp);
+
+ /* Calculate offset + set lbound, ubound and stride. */
+ gfc_conv_descriptor_offset_set (&block2, gfc_desc, gfc_index_zero_node);
+ if (sym->as->rank > 0 && !sym->attr.pointer && !sym->attr.allocatable)
+ for (int i = 0; i < sym->as->rank; ++i)
+ {
+ gfc_se se;
+ gfc_init_se (&se, NULL );
+ if (sym->as->lower[i])
+ {
+ gfc_conv_expr (&se, sym->as->lower[i]);
+ tmp = se.expr;
+ }
+ else
+ tmp = gfc_index_one_node;
+ gfc_add_block_to_block (&block2, &se.pre);
+ gfc_conv_descriptor_lbound_set (&block2, gfc_desc, gfc_rank_cst[i],
+ tmp);
+ gfc_add_block_to_block (&block2, &se.post);
+ }
+
+ /* Loop: for (i = 0; i < rank; ++i). */
+ idx = gfc_create_var (TREE_TYPE (rank), "idx");
+
+ /* Loop body. */
+ stmtblock_t loop_body;
+ gfc_init_block (&loop_body);
+ /* gfc->dim[i].lbound = ... */
+ if (sym->attr.pointer || sym->attr.allocatable)
+ {
+ tmp = gfc_get_cfi_dim_lbound (cfi, idx);
+ gfc_conv_descriptor_lbound_set (&loop_body, gfc_desc, idx, tmp);
+ }
+ else if (sym->as->rank < 0)
+ gfc_conv_descriptor_lbound_set (&loop_body, gfc_desc, idx,
+ gfc_index_one_node);
+
+ /* gfc->dim[i].ubound = gfc->dim[i].lbound + cfi->dim[i].extent - 1. */
+ tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
+ gfc_conv_descriptor_lbound_get (gfc_desc, idx),
+ gfc_index_one_node);
+ tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type,
+ gfc_get_cfi_dim_extent (cfi, idx), tmp);
+ gfc_conv_descriptor_ubound_set (&loop_body, gfc_desc, idx, tmp);
+
+ if (do_copy_inout)
+ {
+ /* gfc->dim[i].stride
+ = idx == 0 ? 1 : gfc->dim[i-1].stride * cfi->dim[i-1].extent */
+ tree cond = fold_build2_loc (input_location, EQ_EXPR, boolean_type_node,
+ idx, build_zero_cst (TREE_TYPE (idx)));
+ tmp = fold_build2_loc (input_location, MINUS_EXPR, TREE_TYPE (idx),
+ idx, build_int_cst (TREE_TYPE (idx), 1));
+ tree tmp2 = gfc_get_cfi_dim_extent (cfi, tmp);
+ tmp = gfc_conv_descriptor_stride_get (gfc_desc, tmp);
+ tmp = fold_build2_loc (input_location, MULT_EXPR, TREE_TYPE (tmp2),
+ tmp2, tmp);
+ tmp = build3_loc (input_location, COND_EXPR, gfc_array_index_type, cond,
+ gfc_index_one_node, tmp);
+ }
+ else
+ {
+ /* gfc->dim[i].stride = cfi->dim[i].sm / cfi>elem_len */
+ tmp = gfc_get_cfi_dim_sm (cfi, idx);
+ tmp = fold_build2_loc (input_location, TRUNC_DIV_EXPR,
+ gfc_array_index_type, tmp,
+ fold_convert (gfc_array_index_type,
+ gfc_get_cfi_desc_elem_len (cfi)));
+ }
+ gfc_conv_descriptor_stride_set (&loop_body, gfc_desc, idx, tmp);
+ /* gfc->offset -= gfc->dim[i].stride * gfc->dim[i].lbound. */
+ tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
+ gfc_conv_descriptor_stride_get (gfc_desc, idx),
+ gfc_conv_descriptor_lbound_get (gfc_desc, idx));
+ tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
+ gfc_conv_descriptor_offset_get (gfc_desc), tmp);
+ gfc_conv_descriptor_offset_set (&loop_body, gfc_desc, tmp);
+
+ /* Generate loop. */
+ gfc_simple_for_loop (&block2, idx, build_zero_cst (TREE_TYPE (idx)),
+ rank, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
+ gfc_finish_block (&loop_body));
+ if (sym->attr.allocatable || sym->attr.pointer)
+ {
+ tmp = gfc_get_cfi_desc_base_addr (cfi),
+ tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ tmp, null_pointer_node);
+ tmp = build3_v (COND_EXPR, tmp, gfc_finish_block (&block2),
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block, tmp);
+ }
+ else
+ gfc_add_block_to_block (&block, &block2);
+
+done:
+ /* If optional arg: 'if (arg) { block } else { local_arg = NULL; }'. */
+ if (sym->attr.optional)
+ {
+ tree present = fold_build2_loc (input_location, NE_EXPR,
+ boolean_type_node, cfi_desc,
+ null_pointer_node);
+ tmp = fold_build2_loc (input_location, MODIFY_EXPR, void_type_node,
+ sym->backend_decl,
+ fold_convert (TREE_TYPE (sym->backend_decl),
+ null_pointer_node));
+ tmp = build3_v (COND_EXPR, present, gfc_finish_block (&block), tmp);
+ gfc_add_expr_to_block (init, tmp);
+ }
+ else
+ gfc_add_block_to_block (init, &block);
+
+ if (!sym->attr.referenced)
+ return;
+
+ /* If pointer not changed, nothing to be done (except copy out) */
+ if (!do_copy_inout && ((!sym->attr.pointer && !sym->attr.allocatable)
+ || sym->attr.intent == INTENT_IN))
+ return;
+
+ gfc_init_block (&block);
+
+ /* For bind(C), Fortran does not permit mixing 'pointer' with 'contiguous' (or
+ len=*). Thus, when copy out is needed, the bounds ofthe descriptor remain
+ unchanged. */
+ if (do_copy_inout)
+ {
+ tree data, call;
+ if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
+ data = gfc_conv_descriptor_data_get (gfc_desc);
+ else if (!POINTER_TYPE_P (TREE_TYPE (gfc_desc)))
+ data = gfc_build_addr_expr (NULL, gfc_desc);
+ else
+ data = gfc_desc;
+ gfc_init_block (&block2);
+ if (sym->attr.intent != INTENT_IN)
+ {
+ /* First, create the inner copy-out loop.
+ for (idx = 0; idx < size; ++idx)
+ {
+ shift = 0;
+ tmpidx = idx
+ for (dim = 0; dim < rank; ++dim)
+ {
+ shift += (tmpidx % extent[d]) * sm[d]
+ tmpidx = tmpidx / extend[d]
+ }
+ memcpy (lhs + shift, rhs + idx*elem_len, elem_len)
+ } .*/
+ stmtblock_t loop_body;
+ idx = gfc_create_var (size_type_node, "arrayidx");
+ gfc_init_block (&loop_body);
+ tree shift = gfc_create_var (size_type_node, "shift");
+ tree tmpidx = gfc_create_var (size_type_node, "tmpidx");
+ gfc_add_modify (&loop_body, shift,
+ build_zero_cst (TREE_TYPE (shift)));
+ gfc_add_modify (&loop_body, tmpidx, idx);
+ stmtblock_t inner_loop;
+ gfc_init_block (&inner_loop);
+ tree dim = gfc_create_var (TREE_TYPE (rank), "dim");
+ /* shift += (tmpidx % extent[d]) * sm[d] */
+ tmp = fold_convert (size_type_node,
+ gfc_get_cfi_dim_extent (cfi, dim));
+ tmp = fold_build2_loc (input_location, TRUNC_MOD_EXPR,
+ size_type_node, tmpidx, tmp);
+ tmp = fold_build2_loc (input_location, MULT_EXPR,
+ size_type_node, tmp,
+ fold_convert (size_type_node,
+ gfc_get_cfi_dim_sm (cfi, dim)));
+ gfc_add_modify (&inner_loop, shift,
+ fold_build2_loc (input_location, PLUS_EXPR,
+ size_type_node, shift, tmp));
+ /* tmpidx = tmpidx / extend[d] */
+ tmp = fold_convert (size_type_node,
+ gfc_get_cfi_dim_extent (cfi, dim));
+ gfc_add_modify (&inner_loop, tmpidx,
+ fold_build2_loc (input_location, TRUNC_DIV_EXPR,
+ size_type_node, tmpidx, tmp));
+ gfc_simple_for_loop (&loop_body, dim,
+ build_zero_cst (TREE_TYPE (rank)), rank, LT_EXPR,
+ build_int_cst (TREE_TYPE (dim), 1),
+ gfc_finish_block (&inner_loop));
+ /* Assign. */
+ tree rhs;
+ tmp = fold_convert (pchar_type_node,
+ gfc_get_cfi_desc_base_addr (cfi));
+ tmp = fold_build2 (POINTER_PLUS_EXPR, pchar_type_node, tmp, shift);
+ /* memcpy (lhs + shift, rhs + idx*elem_len, elem_len) */
+ tree elem_len;
+ if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (gfc_desc)))
+ elem_len = gfc_conv_descriptor_elem_len (gfc_desc);
+ else
+ elem_len = gfc_get_cfi_desc_elem_len (cfi);
+ rhs = fold_build2_loc (input_location, MULT_EXPR, size_type_node,
+ elem_len, idx);
+ rhs = fold_build2_loc (input_location, POINTER_PLUS_EXPR,
+ pchar_type_node,
+ fold_convert (pchar_type_node, data), rhs);
+ tmp = fold_convert (pvoid_type_node, tmp);
+ rhs = fold_convert (pvoid_type_node, rhs);
+ call = builtin_decl_explicit (BUILT_IN_MEMCPY);
+ call = build_call_expr_loc (input_location, call, 3, tmp, rhs,
+ elem_len);
+ gfc_add_expr_to_block (&loop_body,
+ fold_convert (void_type_node, call));
+ gfc_simple_for_loop (&block2, idx, build_zero_cst (TREE_TYPE (idx)),
+ size_var, LT_EXPR,
+ build_int_cst (TREE_TYPE (idx), 1),
+ gfc_finish_block (&loop_body));
+ }
+ call = builtin_decl_explicit (BUILT_IN_FREE);
+ call = build_call_expr_loc (input_location, call, 1, data);
+ gfc_add_expr_to_block (&block2, call);
+
+ /* if (cfi->base_addr != gfc->data) { copy out; free(var) }; return */
+ tree tmp2 = gfc_get_cfi_desc_base_addr (cfi);
+ tmp2 = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ tmp2, fold_convert (TREE_TYPE (tmp2), data));
+ tmp = build3_v (COND_EXPR, tmp2, gfc_finish_block (&block2),
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block, tmp);
+ goto done_finally;
+ }
+
+ /* Update pointer + array data data on exit. */
+ tmp = gfc_get_cfi_desc_base_addr (cfi);
+ tmp2 = (!sym->attr.dimension
+ ? gfc_desc : gfc_conv_descriptor_data_get (gfc_desc));
+ gfc_add_modify (&block, tmp, fold_convert (TREE_TYPE (tmp), tmp2));
+
+ /* Set string length for len=:, only. */
+ if (sym->ts.type == BT_CHARACTER && !sym->ts.u.cl->length)
+ {
+ tmp = sym->ts.u.cl->backend_decl;
+ if (sym->ts.kind != 1)
+ tmp = fold_build2_loc (input_location, MULT_EXPR,
+ gfc_array_index_type,
+ sym->ts.u.cl->backend_decl, tmp);
+ tmp2 = gfc_get_cfi_desc_elem_len (cfi);
+ gfc_add_modify (&block, tmp2, fold_convert (TREE_TYPE (tmp2), tmp));
+ }
+
+ if (!sym->attr.dimension)
+ goto done_finally;
+
+ gfc_init_block (&block2);
+
+ /* Loop: for (i = 0; i < rank; ++i). */
+ idx = gfc_create_var (TREE_TYPE (rank), "idx");
+
+ /* Loop body. */
+ gfc_init_block (&loop_body);
+ /* cfi->dim[i].lower_bound = gfc->dim[i].lbound */
+ gfc_add_modify (&loop_body, gfc_get_cfi_dim_lbound (cfi, idx),
+ gfc_conv_descriptor_lbound_get (gfc_desc, idx));
+ /* cfi->dim[i].extent = gfc->dim[i].ubound - gfc->dim[i].lbound + 1. */
+ tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type,
+ gfc_conv_descriptor_ubound_get (gfc_desc, idx),
+ gfc_conv_descriptor_lbound_get (gfc_desc, idx));
+ tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type, tmp,
+ gfc_index_one_node);
+ gfc_add_modify (&loop_body, gfc_get_cfi_dim_extent (cfi, idx), tmp);
+ /* d->dim[n].sm = gfc->dim[i].stride * gfc->span); */
+ tmp = fold_build2_loc (input_location, MULT_EXPR, gfc_array_index_type,
+ gfc_conv_descriptor_stride_get (gfc_desc, idx),
+ gfc_conv_descriptor_span_get (gfc_desc));
+ gfc_add_modify (&loop_body, gfc_get_cfi_dim_sm (cfi, idx), tmp);
+
+ /* Generate loop. */
+ gfc_simple_for_loop (&block2, idx, build_zero_cst (TREE_TYPE (idx)),
+ rank, LT_EXPR, build_int_cst (TREE_TYPE (idx), 1),
+ gfc_finish_block (&loop_body));
+ /* if (gfc->data != NULL) { block2 }. */
+ tmp = gfc_get_cfi_desc_base_addr (cfi),
+ tmp = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
+ tmp, null_pointer_node);
+ tmp = build3_v (COND_EXPR, tmp, gfc_finish_block (&block2),
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block, tmp);
+
+done_finally:
+ /* If optional arg: 'if (arg) { block } else { local_arg = NULL; }'. */
+ if (sym->attr.optional)
+ {
+ tree present = fold_build2_loc (input_location, NE_EXPR,
+ boolean_type_node, cfi_desc,
+ null_pointer_node);
+ tmp = build3_v (COND_EXPR, present, gfc_finish_block (&block),
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (finally, tmp);
+ }
+ else
+ gfc_add_block_to_block (finally, &block);
+}
+
+/* Generate code for a function. */
+
+void
+gfc_generate_function_code (gfc_namespace * ns)
+{
+ tree fndecl;
+ tree old_context;
+ tree decl;
+ tree tmp;
+ tree fpstate = NULL_TREE;
+ stmtblock_t init, cleanup, outer_block;
+ stmtblock_t body;
+ gfc_wrapped_block try_block;
+ tree recurcheckvar = NULL_TREE;
+ gfc_symbol *sym;
+ gfc_symbol *previous_procedure_symbol;
+ int rank, ieee;
+ bool is_recursive;
+
+ sym = ns->proc_name;
+ previous_procedure_symbol = current_procedure_symbol;
+ current_procedure_symbol = sym;
+
+ /* Initialize sym->tlink so that gfc_trans_deferred_vars does not get
+ lost or worse. */
+ sym->tlink = sym;
+
+ /* Create the declaration for functions with global scope. */
+ if (!sym->backend_decl)
+ gfc_create_function_decl (ns, false);
+
+ fndecl = sym->backend_decl;
+ old_context = current_function_decl;
+
+ if (old_context)
+ {
+ push_function_context ();
+ saved_parent_function_decls = saved_function_decls;
+ saved_function_decls = NULL_TREE;
+ }
+
+ trans_function_start (sym);
+
+ gfc_init_block (&init);
+ gfc_init_block (&cleanup);
+ gfc_init_block (&outer_block);
+
+ if (ns->entries && ns->proc_name->ts.type == BT_CHARACTER)
+ {
+ /* Copy length backend_decls to all entry point result
+ symbols. */
+ gfc_entry_list *el;
+ tree backend_decl;
+
+ gfc_conv_const_charlen (ns->proc_name->ts.u.cl);
+ backend_decl = ns->proc_name->result->ts.u.cl->backend_decl;
+ for (el = ns->entries; el; el = el->next)
+ el->sym->result->ts.u.cl->backend_decl = backend_decl;
+ }
+
+ /* Translate COMMON blocks. */
+ gfc_trans_common (ns);
+
+ /* Null the parent fake result declaration if this namespace is
+ a module function or an external procedures. */
+ if ((ns->parent && ns->parent->proc_name->attr.flavor == FL_MODULE)
+ || ns->parent == NULL)
+ parent_fake_result_decl = NULL_TREE;
+
+ /* For BIND(C):
+ - deallocate intent-out allocatable dummy arguments.
+ - Create GFC variable which will later be populated by convert_CFI_desc */
+ if (sym->attr.is_bind_c)
+ for (gfc_formal_arglist *formal = gfc_sym_get_dummy_args (sym);
+ formal; formal = formal->next)
+ {
+ gfc_symbol *fsym = formal->sym;
+ if (!is_CFI_desc (fsym, NULL))
+ continue;
+ if (!fsym->attr.referenced)
+ {
+ gfc_conv_cfi_to_gfc (&init, &cleanup, fsym->backend_decl,
+ NULL_TREE, fsym);
+ continue;
+ }
+ /* Let's now create a local GFI descriptor. Afterwards:
+ desc is the local descriptor,
+ desc_p is a pointer to it
+ and stored in sym->backend_decl
+ GFC_DECL_SAVED_DESCRIPTOR (desc_p) contains the CFI descriptor
+ -> PARM_DECL and before sym->backend_decl.
+ For scalars, decl == decl_p is a pointer variable. */
+ tree desc_p, desc;
+ location_t loc = gfc_get_location (&sym->declared_at);
+ if (fsym->ts.type == BT_CHARACTER && !fsym->ts.u.cl->length)
+ fsym->ts.u.cl->backend_decl = gfc_create_var (gfc_array_index_type,
+ fsym->name);
+ else if (fsym->ts.type == BT_CHARACTER && !fsym->ts.u.cl->backend_decl)
+ {
+ gfc_se se;
+ gfc_init_se (&se, NULL );
+ gfc_conv_expr (&se, fsym->ts.u.cl->length);
+ gfc_add_block_to_block (&init, &se.pre);
+ fsym->ts.u.cl->backend_decl = se.expr;
+ gcc_assert(se.post.head == NULL_TREE);
+ }
+ /* Nullify, otherwise gfc_sym_type will return the CFI type. */
+ tree tmp = fsym->backend_decl;
+ fsym->backend_decl = NULL;
+ tree type = gfc_sym_type (fsym);
+ gcc_assert (POINTER_TYPE_P (type));
+ if (POINTER_TYPE_P (TREE_TYPE (type)))
+ /* For instance, allocatable scalars. */
+ type = TREE_TYPE (type);
+ if (TREE_CODE (type) == REFERENCE_TYPE)
+ type = build_pointer_type (TREE_TYPE (type));
+ desc_p = build_decl (loc, VAR_DECL, get_identifier (fsym->name), type);
+ if (!fsym->attr.dimension)
+ desc = desc_p;
+ else if (!GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (TREE_TYPE (desc_p))))
+ {
+ /* Character(len=*) explict-size/assumed-size array. */
+ desc = desc_p;
+ gfc_build_qualified_array (desc, fsym);
+ }
+ else
+ {
+ tree size = size_in_bytes (TREE_TYPE (TREE_TYPE (desc_p)));
+ tree call = builtin_decl_explicit (BUILT_IN_ALLOCA);
+ call = build_call_expr_loc (input_location, call, 1, size);
+ gfc_add_modify (&outer_block, desc_p,
+ fold_convert (TREE_TYPE(desc_p), call));
+ desc = build_fold_indirect_ref_loc (input_location, desc_p);
+ }
+ pushdecl (desc_p);
+ if (fsym->attr.optional)
+ {
+ gfc_allocate_lang_decl (desc_p);
+ GFC_DECL_OPTIONAL_ARGUMENT (desc_p) = 1;
+ }
+ fsym->backend_decl = desc_p;
+ gfc_conv_cfi_to_gfc (&init, &cleanup, tmp, desc, fsym);
+ }
+
+ gfc_generate_contained_functions (ns);
+
+ has_coarray_vars = false;
+ generate_local_vars (ns);
+
+ if (flag_coarray == GFC_FCOARRAY_LIB && has_coarray_vars)
+ generate_coarray_init (ns);
+
+ /* Keep the parent fake result declaration in module functions
+ or external procedures. */
+ if ((ns->parent && ns->parent->proc_name->attr.flavor == FL_MODULE)
+ || ns->parent == NULL)
+ current_fake_result_decl = parent_fake_result_decl;
+ else
+ current_fake_result_decl = NULL_TREE;
+
+ is_recursive = sym->attr.recursive
+ || (sym->attr.entry_master
+ && sym->ns->entries->sym->attr.recursive);
+ if ((gfc_option.rtcheck & GFC_RTCHECK_RECURSION)
+ && !is_recursive && !flag_recursive && !sym->attr.artificial)
+ {
+ char * msg;
+
+ msg = xasprintf ("Recursive call to nonrecursive procedure '%s'",
+ sym->name);
+ recurcheckvar = gfc_create_var (logical_type_node, "is_recursive");
+ TREE_STATIC (recurcheckvar) = 1;
+ DECL_INITIAL (recurcheckvar) = logical_false_node;
+ gfc_add_expr_to_block (&init, recurcheckvar);
+ gfc_trans_runtime_check (true, false, recurcheckvar, &init,
+ &sym->declared_at, msg);
+ gfc_add_modify (&init, recurcheckvar, logical_true_node);
+ free (msg);
+ }
+
+ /* Check if an IEEE module is used in the procedure. If so, save
+ the floating point state. */
+ ieee = is_ieee_module_used (ns);
+ if (ieee)
+ fpstate = gfc_save_fp_state (&init);
+
+ /* Now generate the code for the body of this function. */
+ gfc_init_block (&body);
+
+ if (TREE_TYPE (DECL_RESULT (fndecl)) != void_type_node
+ && sym->attr.subroutine)
+ {
+ tree alternate_return;
+ alternate_return = gfc_get_fake_result_decl (sym, 0);
+ gfc_add_modify (&body, alternate_return, integer_zero_node);
+ }
+
+ if (ns->entries)
+ {
+ /* Jump to the correct entry point. */
+ tmp = gfc_trans_entry_master_switch (ns->entries);
+ gfc_add_expr_to_block (&body, tmp);
+ }
+
+ /* If bounds-checking is enabled, generate code to check passed in actual
+ arguments against the expected dummy argument attributes (e.g. string
+ lengths). */
+ if ((gfc_option.rtcheck & GFC_RTCHECK_BOUNDS) && !sym->attr.is_bind_c)
+ add_argument_checking (&body, sym);
+
+ finish_oacc_declare (ns, sym, false);
+
+ tmp = gfc_trans_code (ns->code);
+ gfc_add_expr_to_block (&body, tmp);
+
+ if (TREE_TYPE (DECL_RESULT (fndecl)) != void_type_node
+ || (sym->result && sym->result != sym
+ && sym->result->ts.type == BT_DERIVED
+ && sym->result->ts.u.derived->attr.alloc_comp))
+ {
+ bool artificial_result_decl = false;
+ tree result = get_proc_result (sym);
+ gfc_symbol *rsym = sym == sym->result ? sym : sym->result;
+
+ /* Make sure that a function returning an object with
+ alloc/pointer_components always has a result, where at least
+ the allocatable/pointer components are set to zero. */
+ if (result == NULL_TREE && sym->attr.function
+ && ((sym->result->ts.type == BT_DERIVED
+ && (sym->attr.allocatable
+ || sym->attr.pointer
+ || sym->result->ts.u.derived->attr.alloc_comp
+ || sym->result->ts.u.derived->attr.pointer_comp))
+ || (sym->result->ts.type == BT_CLASS
+ && (CLASS_DATA (sym)->attr.allocatable
+ || CLASS_DATA (sym)->attr.class_pointer
+ || CLASS_DATA (sym->result)->attr.alloc_comp
+ || CLASS_DATA (sym->result)->attr.pointer_comp))))
+ {
+ artificial_result_decl = true;
+ result = gfc_get_fake_result_decl (sym, 0);
+ }
+
+ if (result != NULL_TREE && sym->attr.function && !sym->attr.pointer)
+ {
+ if (sym->attr.allocatable && sym->attr.dimension == 0
+ && sym->result == sym)
+ gfc_add_modify (&init, result, fold_convert (TREE_TYPE (result),
+ null_pointer_node));
+ else if (sym->ts.type == BT_CLASS
+ && CLASS_DATA (sym)->attr.allocatable
+ && CLASS_DATA (sym)->attr.dimension == 0
+ && sym->result == sym)
+ {
+ tmp = CLASS_DATA (sym)->backend_decl;
+ tmp = fold_build3_loc (input_location, COMPONENT_REF,
+ TREE_TYPE (tmp), result, tmp, NULL_TREE);
+ gfc_add_modify (&init, tmp, fold_convert (TREE_TYPE (tmp),
+ null_pointer_node));
+ }
+ else if (sym->ts.type == BT_DERIVED
+ && !sym->attr.allocatable)
+ {
+ gfc_expr *init_exp;
+ /* Arrays are not initialized using the default initializer of
+ their elements. Therefore only check if a default
+ initializer is available when the result is scalar. */
+ init_exp = rsym->as ? NULL
+ : gfc_generate_initializer (&rsym->ts, true);
+ if (init_exp)
+ {
+ tmp = gfc_trans_structure_assign (result, init_exp, 0);
+ gfc_free_expr (init_exp);
+ gfc_add_expr_to_block (&init, tmp);
+ }
+ else if (rsym->ts.u.derived->attr.alloc_comp)
+ {
+ rank = rsym->as ? rsym->as->rank : 0;
+ tmp = gfc_nullify_alloc_comp (rsym->ts.u.derived, result,
+ rank);
+ gfc_prepend_expr_to_block (&body, tmp);
+ }
+ }
+ }
+
+ if (result == NULL_TREE || artificial_result_decl)
+ {
+ /* TODO: move to the appropriate place in resolve.c. */
+ if (warn_return_type > 0 && sym == sym->result)
+ gfc_warning (OPT_Wreturn_type,
+ "Return value of function %qs at %L not set",
+ sym->name, &sym->declared_at);
+ if (warn_return_type > 0)
+ suppress_warning (sym->backend_decl);
+ }
+ if (result != NULL_TREE)
+ gfc_add_expr_to_block (&body, gfc_generate_return ());
+ }
+
+ /* Reset recursion-check variable. */
+ if (recurcheckvar != NULL_TREE)
+ {
+ gfc_add_modify (&cleanup, recurcheckvar, logical_false_node);
+ recurcheckvar = NULL;
+ }
+
+ /* If IEEE modules are loaded, restore the floating-point state. */
+ if (ieee)
+ gfc_restore_fp_state (&cleanup, fpstate);
+
+ /* Finish the function body and add init and cleanup code. */
+ tmp = gfc_finish_block (&body);
+ /* Add code to create and cleanup arrays. */
+ gfc_start_wrapped_block (&try_block, tmp);
+ gfc_trans_deferred_vars (sym, &try_block);
+ gfc_add_init_cleanup (&try_block, gfc_finish_block (&init),
+ gfc_finish_block (&cleanup));
+
+ /* Add all the decls we created during processing. */
+ decl = nreverse (saved_function_decls);
+ while (decl)
+ {
+ tree next;
+
+ next = DECL_CHAIN (decl);
+ DECL_CHAIN (decl) = NULL_TREE;
+ pushdecl (decl);
+ decl = next;
+ }
+ saved_function_decls = NULL_TREE;
+
+ gfc_add_expr_to_block (&outer_block, gfc_finish_wrapped_block (&try_block));
+ DECL_SAVED_TREE (fndecl) = gfc_finish_block (&outer_block);
+ decl = getdecls ();
+
+ /* Finish off this function and send it for code generation. */
+ poplevel (1, 1);
+ BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
+
+ DECL_SAVED_TREE (fndecl)
+ = fold_build3_loc (DECL_SOURCE_LOCATION (fndecl), BIND_EXPR, void_type_node,
+ decl, DECL_SAVED_TREE (fndecl), DECL_INITIAL (fndecl));
+
+ /* Output the GENERIC tree. */
+ dump_function (TDI_original, fndecl);
+
+ /* Store the end of the function, so that we get good line number
+ info for the epilogue. */
+ cfun->function_end_locus = input_location;
+
+ /* We're leaving the context of this function, so zap cfun.
+ It's still in DECL_STRUCT_FUNCTION, and we'll restore it in
+ tree_rest_of_compilation. */
+ set_cfun (NULL);
+
+ if (old_context)
+ {
+ pop_function_context ();
+ saved_function_decls = saved_parent_function_decls;
+ }
+ current_function_decl = old_context;
+
+ if (decl_function_context (fndecl))
+ {
+ /* Register this function with cgraph just far enough to get it
+ added to our parent's nested function list.
+ If there are static coarrays in this function, the nested _caf_init
+ function has already called cgraph_create_node, which also created
+ the cgraph node for this function. */
+ if (!has_coarray_vars || flag_coarray != GFC_FCOARRAY_LIB)
+ (void) cgraph_node::get_create (fndecl);
+ }
+ else
+ cgraph_node::finalize_function (fndecl, true);
+
+ gfc_trans_use_stmts (ns);
+ gfc_traverse_ns (ns, gfc_emit_parameter_debug_info);
+
+ if (sym->attr.is_main_program)
+ create_main_function (fndecl);
+
+ current_procedure_symbol = previous_procedure_symbol;
+}
+
+
+void
+gfc_generate_constructors (void)
+{
+ gcc_assert (gfc_static_ctors == NULL_TREE);
+#if 0
+ tree fnname;
+ tree type;
+ tree fndecl;
+ tree decl;
+ tree tmp;
+
+ if (gfc_static_ctors == NULL_TREE)
+ return;
+
+ fnname = get_file_function_name ("I");
+ type = build_function_type_list (void_type_node, NULL_TREE);
+
+ fndecl = build_decl (input_location,
+ FUNCTION_DECL, fnname, type);
+ TREE_PUBLIC (fndecl) = 1;
+
+ decl = build_decl (input_location,
+ RESULT_DECL, NULL_TREE, void_type_node);
+ DECL_ARTIFICIAL (decl) = 1;
+ DECL_IGNORED_P (decl) = 1;
+ DECL_CONTEXT (decl) = fndecl;
+ DECL_RESULT (fndecl) = decl;
+
+ pushdecl (fndecl);
+
+ current_function_decl = fndecl;
+
+ rest_of_decl_compilation (fndecl, 1, 0);
+
+ make_decl_rtl (fndecl);
+
+ allocate_struct_function (fndecl, false);
+
+ pushlevel ();
+
+ for (; gfc_static_ctors; gfc_static_ctors = TREE_CHAIN (gfc_static_ctors))
+ {
+ tmp = build_call_expr_loc (input_location,
+ TREE_VALUE (gfc_static_ctors), 0);
+ DECL_SAVED_TREE (fndecl) = build_stmt (input_location, EXPR_STMT, tmp);
+ }
+
+ decl = getdecls ();
+ poplevel (1, 1);
+
+ BLOCK_SUPERCONTEXT (DECL_INITIAL (fndecl)) = fndecl;
+ DECL_SAVED_TREE (fndecl)
+ = build3_v (BIND_EXPR, decl, DECL_SAVED_TREE (fndecl),
+ DECL_INITIAL (fndecl));
+
+ free_after_parsing (cfun);
+ free_after_compilation (cfun);
+
+ tree_rest_of_compilation (fndecl);
+
+ current_function_decl = NULL_TREE;
+#endif
+}
+
+/* Translates a BLOCK DATA program unit. This means emitting the
+ commons contained therein plus their initializations. We also emit
+ a globally visible symbol to make sure that each BLOCK DATA program
+ unit remains unique. */
+
+void
+gfc_generate_block_data (gfc_namespace * ns)
+{
+ tree decl;
+ tree id;
+
+ /* Tell the backend the source location of the block data. */
+ if (ns->proc_name)
+ gfc_set_backend_locus (&ns->proc_name->declared_at);
+ else
+ gfc_set_backend_locus (&gfc_current_locus);
+
+ /* Process the DATA statements. */
+ gfc_trans_common (ns);
+
+ /* Create a global symbol with the mane of the block data. This is to
+ generate linker errors if the same name is used twice. It is never
+ really used. */
+ if (ns->proc_name)
+ id = gfc_sym_mangled_function_id (ns->proc_name);
+ else
+ id = get_identifier ("__BLOCK_DATA__");
+
+ decl = build_decl (input_location,
+ VAR_DECL, id, gfc_array_index_type);
+ TREE_PUBLIC (decl) = 1;
+ TREE_STATIC (decl) = 1;
+ DECL_IGNORED_P (decl) = 1;
+
+ pushdecl (decl);
+ rest_of_decl_compilation (decl, 1, 0);
+}
+
+
+/* Process the local variables of a BLOCK construct. */
+
+void
+gfc_process_block_locals (gfc_namespace* ns)
+{
+ tree decl;
+
+ saved_local_decls = NULL_TREE;
+ has_coarray_vars = false;
+
+ generate_local_vars (ns);
+
+ if (flag_coarray == GFC_FCOARRAY_LIB && has_coarray_vars)
+ generate_coarray_init (ns);
+
+ decl = nreverse (saved_local_decls);
+ while (decl)
+ {
+ tree next;
+
+ next = DECL_CHAIN (decl);
+ DECL_CHAIN (decl) = NULL_TREE;
+ pushdecl (decl);
+ decl = next;
+ }
+ saved_local_decls = NULL_TREE;
+}
+
+
+#include "gt-fortran-trans-decl.h"
generated by cgit v1.1 at 2025-08-09 20:54:48 +0000