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Atomic ops: add 'fetch_and_add_uint32' op.

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Bastien Montagne
2016-05-16 15:56:39 +02:00
parent 460d944493
commit 75a96f8325
3 changed files with 17 additions and 0 deletions
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2
intern/atomic/atomic_ops.h
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@@ -86,6 +86,8 @@ ATOMIC_INLINE uint32_t atomic_add_uint32(uint32_t *p, uint32_t x);
ATOMIC_INLINE uint32_t atomic_sub_uint32(uint32_t *p, uint32_t x); ATOMIC_INLINE uint32_t atomic_sub_uint32(uint32_t *p, uint32_t x);
ATOMIC_INLINE uint32_t atomic_cas_uint32(uint32_t *v, uint32_t old, uint32_t _new); ATOMIC_INLINE uint32_t atomic_cas_uint32(uint32_t *v, uint32_t old, uint32_t _new);
ATOMIC_INLINE uint32_t atomic_fetch_and_add_uint32(uint32_t *p, uint32_t x);
ATOMIC_INLINE uint8_t atomic_fetch_and_or_uint8(uint8_t *p, uint8_t b); ATOMIC_INLINE uint8_t atomic_fetch_and_or_uint8(uint8_t *p, uint8_t b);
ATOMIC_INLINE uint8_t atomic_fetch_and_and_uint8(uint8_t *p, uint8_t b); ATOMIC_INLINE uint8_t atomic_fetch_and_and_uint8(uint8_t *p, uint8_t b);

5
intern/atomic/intern/atomic_ops_msvc.h
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@@ -76,6 +76,11 @@ ATOMIC_INLINE uint32_t atomic_cas_uint32(uint32_t *v, uint32_t old, uint32_t _ne
return InterlockedCompareExchange((long *)v, _new, old); return InterlockedCompareExchange((long *)v, _new, old);
} }
ATOMIC_INLINE uint32_t atomic_fetch_and_add_uint32(uint32_t *p, uint32_t x)
{
return InterlockedExchangeAdd(p, x);
}
/******************************************************************************/ /******************************************************************************/
/* 8-bit operations. */ /* 8-bit operations. */

10
intern/atomic/intern/atomic_ops_unix.h
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@@ -162,6 +162,16 @@ ATOMIC_INLINE uint32_t atomic_cas_uint32(uint32_t *v, uint32_t old, uint32_t _ne
# error "Missing implementation for 32-bit atomic operations" # error "Missing implementation for 32-bit atomic operations"
#endif #endif
#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_4))
ATOMIC_INLINE uint32_t atomic_fetch_and_add_uint32(uint32_t *p, uint32_t x)
{
return __sync_fetch_and_add(p, x);
}
#else
# error "Missing implementation for 32-bit atomic operations"
#endif
/******************************************************************************/ /******************************************************************************/
/* 8-bit operations. */ /* 8-bit operations. */
#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_1)) #if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_1))