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| author | Jakub Jelinek <jakub@redhat.com> | 2010-11-17 11:15:55 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2010-11-17 11:15:55 +0000 |
| commit | b30bc01e4047c9a54840a81eeffa658835339d28 (patch) | |
| tree | 4a3893b319747d8261802d8a29ec5daed4426e0a /gcc/tree-ssa-alias.c | |
| parent | ac8ee9f173e33d1a8ff9957a5718fdea98839258 (diff) | |
PR middle-end/45838
* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
call_may_clobber_ref_p_1): Return true for __sync_* and some
OpenMP builtins that act as threading barriers.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@166863 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 42335b577a5..b5af0133079 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -1209,6 +1209,28 @@ ref_maybe_used_by_call_p_1 (gimple call, ao_ref *ref) case BUILT_IN_SINCOSF: case BUILT_IN_SINCOSL: return false; + /* __sync_* builtins and some OpenMP builtins act as threading + barriers. */ +#undef DEF_SYNC_BUILTIN +#define DEF_SYNC_BUILTIN(ENUM, NAME, TYPE, ATTRS) case ENUM: +#include "sync-builtins.def" +#undef DEF_SYNC_BUILTIN + case BUILT_IN_GOMP_ATOMIC_START: + case BUILT_IN_GOMP_ATOMIC_END: + case BUILT_IN_GOMP_BARRIER: + case BUILT_IN_GOMP_TASKWAIT: + case BUILT_IN_GOMP_CRITICAL_START: + case BUILT_IN_GOMP_CRITICAL_END: + case BUILT_IN_GOMP_CRITICAL_NAME_START: + case BUILT_IN_GOMP_CRITICAL_NAME_END: + case BUILT_IN_GOMP_LOOP_END: + case BUILT_IN_GOMP_ORDERED_START: + case BUILT_IN_GOMP_ORDERED_END: + case BUILT_IN_GOMP_PARALLEL_END: + case BUILT_IN_GOMP_SECTIONS_END: + case BUILT_IN_GOMP_SINGLE_COPY_START: + case BUILT_IN_GOMP_SINGLE_COPY_END: + return true; default: /* Fallthru to general call handling. */; @@ -1465,6 +1487,28 @@ call_may_clobber_ref_p_1 (gimple call, ao_ref *ref) return (ptr_deref_may_alias_ref_p_1 (sin, ref) || ptr_deref_may_alias_ref_p_1 (cos, ref)); } + /* __sync_* builtins and some OpenMP builtins act as threading + barriers. */ +#undef DEF_SYNC_BUILTIN +#define DEF_SYNC_BUILTIN(ENUM, NAME, TYPE, ATTRS) case ENUM: +#include "sync-builtins.def" +#undef DEF_SYNC_BUILTIN + case BUILT_IN_GOMP_ATOMIC_START: + case BUILT_IN_GOMP_ATOMIC_END: + case BUILT_IN_GOMP_BARRIER: + case BUILT_IN_GOMP_TASKWAIT: + case BUILT_IN_GOMP_CRITICAL_START: + case BUILT_IN_GOMP_CRITICAL_END: + case BUILT_IN_GOMP_CRITICAL_NAME_START: + case BUILT_IN_GOMP_CRITICAL_NAME_END: + case BUILT_IN_GOMP_LOOP_END: + case BUILT_IN_GOMP_ORDERED_START: + case BUILT_IN_GOMP_ORDERED_END: + case BUILT_IN_GOMP_PARALLEL_END: + case BUILT_IN_GOMP_SECTIONS_END: + case BUILT_IN_GOMP_SINGLE_COPY_START: + case BUILT_IN_GOMP_SINGLE_COPY_END: + return true; default: /* Fallthru to general call handling. */; } |