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Clang can't make up it's mind what to support.

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This commit is contained in:
Devin Matthews
2017-07-20 14:50:13 -05:00
committed by prangana
parent 32eb36c3e8
commit a98e4aa547
1 changed files with 2 additions and 27 deletions
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29
frame/thread/bli_thrcomm.c
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@@ -52,18 +52,8 @@ void* bli_thrcomm_bcast
return object;
}
#ifndef __has_extension
#define __has_extension(x) 0
#endif
// Swap out __atomic_* builtins for __sync_* builtins for:
// - BG/Q
// - gcc <4.7 (including icc through gcc compatibility layer)
// - clang without c11 atomic builtins
#if defined(__bgq__) || \
(defined(__GNUC__) && (__GNUC__ < 4 || \
(__GNUC__ == 4 && __GNUC_MINOR__ < 7))) || \
(defined(__clang__) && !__has_extension(c_atomic))
// Use __sync_* builtins (assumed available) if __atomic_* ones are not present.
#ifndef __ATOMIC_RELAXED
#define __ATOMIC_RELAXED
#define __ATOMIC_ACQUIRE
@@ -81,21 +71,6 @@ void* bli_thrcomm_bcast
#endif
// Swap out __atomic_* builtins for _c11_atomic_* builtins for
// - clang with c11 atomic builtins
#if defined(__clang__) && __has_extension(c_atomic)
#define __atomic_load_n(ptr, constraint) \
__c11_atomic_load(ptr, constraint)
#define __atomic_add_fetch(ptr, value, constraint) \
(__c11_fetch_add(ptr, value, constraint) + value)
#define __atomic_fetch_add(ptr, value, constraint) \
__c11_fetch_add(ptr, value, constraint)
#define __atomic_fetch_xor(ptr, value, constraint) \
__c11_fetch_xor(ptr, value, constraint)
#endif
void bli_thrcomm_barrier_atomic( thrcomm_t* comm, dim_t t_id )
{
// Return early if the comm is NULL or if there is only one