Viewing file:  pr103194-5.c (2.3 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do compile { target { ! ia32 } } } */
/* { dg-options "-O2" } */
#include <stdatomic.h>
#include <stdbool.h>
#include <stdint.h>
#define FOO(RTYPE,TYPE) \
__attribute__((noinline,noclone)) RTYPE \
atomic_fetch_or_##TYPE##_##MASK (_Atomic TYPE* a, TYPE MASK) \
{ \
TYPE mask = 1ll << MASK; \
return __atomic_fetch_or (a, mask, __ATOMIC_RELAXED) & mask; \
} \
__attribute__((noinline,noclone)) RTYPE \
atomic_fetch_xor_##TYPE##_##MASK (_Atomic TYPE* a, TYPE MASK) \
{ \
TYPE mask = 1ll << MASK; \
return __atomic_fetch_xor (a, mask, __ATOMIC_RELAXED) & mask; \
} \
__attribute__((noinline,noclone)) RTYPE \
atomic_xor_fetch_##TYPE##_##MASK (_Atomic TYPE* a, TYPE MASK) \
{ \
TYPE mask = 1ll << MASK; \
return __atomic_xor_fetch (a, mask, __ATOMIC_RELAXED) & mask; \
} \
__attribute__((noinline,noclone)) RTYPE \
atomic_fetch_and_##TYPE##_##MASK (_Atomic TYPE* a, TYPE MASK) \
{ \
TYPE mask = 1ll << MASK; \
return __atomic_fetch_and (a, ~mask, __ATOMIC_RELAXED) & mask; \
} \
__attribute__((noinline,noclone)) RTYPE \
sync_fetch_and_or_##TYPE##_##MASK (_Atomic TYPE* a, TYPE MASK) \
{ \
TYPE mask = 1ll << MASK; \
return __sync_fetch_and_or (a, mask) & mask; \
} \
__attribute__((noinline,noclone)) RTYPE \
sync_fetch_and_xor_##TYPE##_##MASK (_Atomic TYPE* a, TYPE MASK) \
{ \
TYPE mask = 1ll << MASK; \
return __sync_fetch_and_xor (a, mask) & mask; \
} \
__attribute__((noinline,noclone)) RTYPE \
sync_xor_and_fetch_##TYPE##_##MASK (_Atomic TYPE* a, TYPE MASK) \
{ \
TYPE mask = 1ll << MASK; \
return __sync_xor_and_fetch (a, mask) & mask; \
} \
__attribute__((noinline,noclone)) RTYPE \
sync_fetch_and_and_##TYPE##_##MASK (_Atomic TYPE* a, TYPE MASK) \
{ \
TYPE mask = 1ll << MASK; \
return __sync_fetch_and_and (a, ~mask) & mask; \
} \
FOO(int, int64_t);
/* { dg-final { scan-assembler-times "lock;?\[ \t\]*bts" 2 } } */
/* { dg-final { scan-assembler-times "lock;?\[ \t\]*btc" 4 } } */
/* { dg-final { scan-assembler-times "lock;?\[ \t\]*btr" 2 } } */
/* { dg-final { scan-assembler-not "cmpxchg" } } */
|
