2016-09-26 19:20:39 +02:00
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/* Prototypes of memory model helper functions.
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2017-01-01 13:07:43 +01:00
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Copyright (C) 2011-2017 Free Software Foundation, Inc.
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2016-09-26 19:20:39 +02:00
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_MEMMODEL_H
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#define GCC_MEMMODEL_H
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Move MEMMODEL_* from coretypes.h to memmodel.h
2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
gcc/
* coretypes.h: Move MEMMODEL_* macros and enum memmodel definition
into ...
* memmodel.h: This file.
* alias.c, asan.c, auto-inc-dec.c, bb-reorder.c, bt-load.c,
caller-save.c, calls.c, ccmp.c, cfgbuild.c, cfgcleanup.c,
cfgexpand.c, cfgloopanal.c, cfgrtl.c, cilk-common.c, combine.c,
combine-stack-adj.c, common/config/aarch64/aarch64-common.c,
common/config/arm/arm-common.c, common/config/bfin/bfin-common.c,
common/config/c6x/c6x-common.c, common/config/i386/i386-common.c,
common/config/ia64/ia64-common.c, common/config/nvptx/nvptx-common.c,
compare-elim.c, config/aarch64/aarch64-builtins.c,
config/aarch64/aarch64-c.c, config/aarch64/cortex-a57-fma-steering.c,
config/arc/arc.c, config/arc/arc-c.c, config/arm/arm-builtins.c,
config/arm/arm-c.c, config/avr/avr.c, config/avr/avr-c.c,
config/avr/avr-log.c, config/bfin/bfin.c, config/c6x/c6x.c,
config/cr16/cr16.c, config/cris/cris.c, config/darwin-c.c,
config/darwin.c, config/epiphany/epiphany.c,
config/epiphany/mode-switch-use.c,
config/epiphany/resolve-sw-modes.c, config/fr30/fr30.c,
config/frv/frv.c, config/ft32/ft32.c, config/h8300/h8300.c,
config/i386/i386-c.c, config/i386/winnt.c, config/iq2000/iq2000.c,
config/lm32/lm32.c, config/m32c/m32c.c, config/m32r/m32r.c,
config/m68k/m68k.c, config/mcore/mcore.c,
config/microblaze/microblaze.c, config/mmix/mmix.c,
config/mn10300/mn10300.c, config/moxie/moxie.c,
config/msp430/msp430.c, config/nds32/nds32-cost.c,
config/nds32/nds32-intrinsic.c, config/nds32/nds32-md-auxiliary.c,
config/nds32/nds32-memory-manipulation.c,
config/nds32/nds32-predicates.c, config/nds32/nds32.c,
config/nios2/nios2.c, config/nvptx/nvptx.c, config/pa/pa.c,
config/pdp11/pdp11.c, config/rl78/rl78.c, config/rs6000/rs6000-c.c,
config/rx/rx.c, config/s390/s390-c.c, config/s390/s390.c,
config/sh/sh.c, config/sh/sh-c.c, config/sh/sh-mem.cc,
config/sh/sh_treg_combine.cc, config/sol2.c, config/spu/spu.c,
config/stormy16/stormy16.c, config/tilegx/tilegx.c,
config/tilepro/tilepro.c, config/v850/v850.c, config/vax/vax.c,
config/visium/visium.c, config/vms/vms-c.c, config/xtensa/xtensa.c,
coverage.c, cppbuiltin.c, cprop.c, cse.c, cselib.c, dbxout.c, dce.c,
df-core.c, df-problems.c, df-scan.c, dojump.c, dse.c, dwarf2asm.c,
dwarf2cfi.c, dwarf2out.c, emit-rtl.c, except.c, explow.c, expmed.c,
expr.c, final.c, fold-const.c, function.c, fwprop.c, gcse.c,
ggc-page.c, haifa-sched.c, hsa-brig.c, hsa-gen.c, hw-doloop.c,
ifcvt.c, init-regs.c, internal-fn.c, ira-build.c, ira-color.c,
ira-conflicts.c, ira-costs.c, ira-emit.c, ira-lives.c, ira.c, jump.c,
loop-doloop.c, loop-invariant.c, loop-iv.c, loop-unroll.c,
lower-subreg.c, lra.c, lra-assigns.c, lra-coalesce.c,
lra-constraints.c, lra-eliminations.c, lra-lives.c, lra-remat.c,
lra-spills.c, mode-switching.c, modulo-sched.c, omp-low.c, passes.c,
postreload-gcse.c, postreload.c, predict.c, print-rtl-function.c,
recog.c, ree.c, reg-stack.c, regcprop.c, reginfo.c, regrename.c,
reload.c, reload1.c, reorg.c, resource.c, rtl-chkp.c, rtl-tests.c,
rtlanal.c, rtlhooks.c, sched-deps.c, sched-rgn.c, sdbout.c,
sel-sched-ir.c, sel-sched.c, shrink-wrap.c, simplify-rtx.c,
stack-ptr-mod.c, stmt.c, stor-layout.c, target-globals.c,
targhooks.c, toplev.c, tree-nested.c, tree-outof-ssa.c,
tree-profile.c, tree-ssa-coalesce.c, tree-ssa-ifcombine.c,
tree-ssa-loop-ivopts.c, tree-ssa-loop.c, tree-ssa-reassoc.c,
tree-ssa-sccvn.c, tree-vect-data-refs.c, ubsan.c, valtrack.c,
var-tracking.c, varasm.c: Include memmodel.h.
* genattrtab.c (write_header): Include memmodel.h in generated file.
* genautomata.c (main): Likewise.
* gengtype.c (open_base_files): Likewise.
* genopinit.c (main): Likewise.
* genconditions.c (write_header): Include memmodel.h earlier in
generated file.
* genemit.c (main): Likewise.
* genoutput.c (output_prologue): Likewise.
* genpeep.c (main): Likewise.
* genpreds.c (write_insn_preds_c): Likewise.
* genrecog.c (write_header): Likewise.
* Makefile.in (PLUGIN_HEADERS): Include memmodel.h
gcc/ada/
* gcc-interface/utils2.c: Include memmodel.h.
gcc/c-family/
* c-cppbuiltin.c: Include memmodel.h.
* c-opts.c: Likewise.
* c-pragma.c: Likewise.
* c-warn.c: Likewise.
gcc/c/
* c-typeck.c: Include memmodel.h.
gcc/cp/
* decl2.c: Include memmodel.h.
* rtti.c: Likewise.
gcc/fortran/
* trans-intrinsic.c: Include memmodel.h.
gcc/go/
* go-backend.c: Include memmodel.h.
libgcc/
* libgcov-profiler.c: Replace MEMMODEL_* macros by their __ATOMIC_*
equivalent.
* config/tilepro/atomic.c: Likewise and stop casting model to
enum memmodel.
From-SVN: r241121
2016-10-13 16:17:52 +02:00
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/* Suppose that higher bits are target dependent. */
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#define MEMMODEL_MASK ((1<<16)-1)
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/* Legacy sync operations set this upper flag in the memory model. This allows
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targets that need to do something stronger for sync operations to
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differentiate with their target patterns and issue a more appropriate insn
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sequence. See bugzilla 65697 for background. */
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#define MEMMODEL_SYNC (1<<15)
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/* Memory model without SYNC bit for targets/operations that do not care. */
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#define MEMMODEL_BASE_MASK (MEMMODEL_SYNC-1)
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/* Memory model types for the __atomic* builtins.
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This must match the order in libstdc++-v3/include/bits/atomic_base.h. */
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enum memmodel
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{
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MEMMODEL_RELAXED = 0,
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MEMMODEL_CONSUME = 1,
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MEMMODEL_ACQUIRE = 2,
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MEMMODEL_RELEASE = 3,
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MEMMODEL_ACQ_REL = 4,
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MEMMODEL_SEQ_CST = 5,
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MEMMODEL_LAST = 6,
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MEMMODEL_SYNC_ACQUIRE = MEMMODEL_ACQUIRE | MEMMODEL_SYNC,
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MEMMODEL_SYNC_RELEASE = MEMMODEL_RELEASE | MEMMODEL_SYNC,
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MEMMODEL_SYNC_SEQ_CST = MEMMODEL_SEQ_CST | MEMMODEL_SYNC
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};
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2016-09-26 19:20:39 +02:00
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/* Return the memory model from a host integer. */
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static inline enum memmodel
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memmodel_from_int (unsigned HOST_WIDE_INT val)
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{
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return (enum memmodel) (val & MEMMODEL_MASK);
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}
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/* Return the base memory model from a host integer. */
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static inline enum memmodel
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memmodel_base (unsigned HOST_WIDE_INT val)
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{
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return (enum memmodel) (val & MEMMODEL_BASE_MASK);
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}
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/* Return TRUE if the memory model is RELAXED. */
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static inline bool
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is_mm_relaxed (enum memmodel model)
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{
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return (model & MEMMODEL_BASE_MASK) == MEMMODEL_RELAXED;
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}
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/* Return TRUE if the memory model is CONSUME. */
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static inline bool
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is_mm_consume (enum memmodel model)
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{
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return (model & MEMMODEL_BASE_MASK) == MEMMODEL_CONSUME;
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}
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/* Return TRUE if the memory model is ACQUIRE. */
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static inline bool
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is_mm_acquire (enum memmodel model)
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{
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return (model & MEMMODEL_BASE_MASK) == MEMMODEL_ACQUIRE;
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}
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/* Return TRUE if the memory model is RELEASE. */
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static inline bool
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is_mm_release (enum memmodel model)
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{
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return (model & MEMMODEL_BASE_MASK) == MEMMODEL_RELEASE;
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}
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/* Return TRUE if the memory model is ACQ_REL. */
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static inline bool
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is_mm_acq_rel (enum memmodel model)
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{
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return (model & MEMMODEL_BASE_MASK) == MEMMODEL_ACQ_REL;
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}
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/* Return TRUE if the memory model is SEQ_CST. */
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static inline bool
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is_mm_seq_cst (enum memmodel model)
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{
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return (model & MEMMODEL_BASE_MASK) == MEMMODEL_SEQ_CST;
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}
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/* Return TRUE if the memory model is a SYNC variant. */
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static inline bool
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is_mm_sync (enum memmodel model)
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{
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return (model & MEMMODEL_SYNC);
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}
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#endif /* GCC_MEMMODEL_H */
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