forked from bartvdbraak/blender
Atomics: Add 16 bit fetch + AND and fetch + OR signed integer operations
I could use a 16 bit atomic fetch + AND for D9719. The alternative would be to turn a `short` into a `int` in DNA, which isn't a nice workaround. Also adds tests for the new functions.
This commit is contained in:
parent
1d2c70d761
commit
f5eaf67e34
@ -87,6 +87,9 @@ ATOMIC_INLINE int32_t atomic_fetch_and_add_int32(int32_t *p, int32_t x);
|
||||
ATOMIC_INLINE int32_t atomic_fetch_and_or_int32(int32_t *p, int32_t x);
|
||||
ATOMIC_INLINE int32_t atomic_fetch_and_and_int32(int32_t *p, int32_t x);
|
||||
|
||||
ATOMIC_INLINE int16_t atomic_fetch_and_or_int16(int16_t *p, int16_t b);
|
||||
ATOMIC_INLINE int16_t atomic_fetch_and_and_int16(int16_t *p, int16_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);
|
||||
|
||||
|
@ -162,6 +162,20 @@ ATOMIC_INLINE int32_t atomic_fetch_and_and_int32(int32_t *p, int32_t x)
|
||||
return InterlockedAnd((long *)p, x);
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
/* 16-bit operations. */
|
||||
|
||||
/* Signed */
|
||||
ATOMIC_INLINE int16_t atomic_fetch_and_or_int16(int16_t *p, int16_t x)
|
||||
{
|
||||
return InterlockedOr16((short *)p, x);
|
||||
}
|
||||
|
||||
ATOMIC_INLINE int16_t atomic_fetch_and_and_int16(int16_t *p, int16_t x)
|
||||
{
|
||||
return InterlockedAnd16((short *)p, x);
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
/* 8-bit operations. */
|
||||
|
||||
|
@ -55,6 +55,7 @@
|
||||
* its gcc doesn't have __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n defined.
|
||||
*/
|
||||
# define JE_FORCE_SYNC_COMPARE_AND_SWAP_1
|
||||
# define JE_FORCE_SYNC_COMPARE_AND_SWAP_2
|
||||
# define JE_FORCE_SYNC_COMPARE_AND_SWAP_4
|
||||
# define JE_FORCE_SYNC_COMPARE_AND_SWAP_8
|
||||
#endif
|
||||
@ -325,6 +326,24 @@ ATOMIC_INLINE int32_t atomic_fetch_and_and_int32(int32_t *p, int32_t x)
|
||||
# error "Missing implementation for 32-bit atomic operations"
|
||||
#endif
|
||||
|
||||
/******************************************************************************/
|
||||
/* 16-bit operations. */
|
||||
#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_2))
|
||||
|
||||
/* Signed */
|
||||
ATOMIC_INLINE int16_t atomic_fetch_and_and_int16(int16_t *p, int16_t b)
|
||||
{
|
||||
return __sync_fetch_and_and(p, b);
|
||||
}
|
||||
ATOMIC_INLINE int16_t atomic_fetch_and_or_int16(int16_t *p, int16_t b)
|
||||
{
|
||||
return __sync_fetch_and_or(p, b);
|
||||
}
|
||||
|
||||
#else
|
||||
# error "Missing implementation for 16-bit atomic operations"
|
||||
#endif
|
||||
|
||||
/******************************************************************************/
|
||||
/* 8-bit operations. */
|
||||
#if (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1) || defined(JE_FORCE_SYNC_COMPARE_AND_SWAP_1))
|
||||
|
@ -559,6 +559,39 @@ TEST(atomic, atomic_fetch_and_and_int32)
|
||||
|
||||
/** \} */
|
||||
|
||||
/** \name 16 bit signed int atomics
|
||||
* \{ */
|
||||
|
||||
TEST(atomic, atomic_fetch_and_or_int16)
|
||||
{
|
||||
{
|
||||
int16_t value = 12;
|
||||
EXPECT_EQ(atomic_fetch_and_or_int16(&value, 5), 12);
|
||||
EXPECT_EQ(value, 13);
|
||||
}
|
||||
|
||||
{
|
||||
int16_t value = 0x1234;
|
||||
EXPECT_EQ(atomic_fetch_and_or_int16(&value, -0x5678), 0x1234);
|
||||
EXPECT_EQ(value, -0x4444);
|
||||
}
|
||||
}
|
||||
|
||||
TEST(atomic, atomic_fetch_and_and_int16)
|
||||
{
|
||||
{
|
||||
int16_t value = 12;
|
||||
EXPECT_EQ(atomic_fetch_and_and_int16(&value, 5), 12);
|
||||
EXPECT_EQ(value, 4);
|
||||
}
|
||||
|
||||
{
|
||||
int16_t value = 0x1234;
|
||||
EXPECT_EQ(atomic_fetch_and_and_int16(&value, -0x789A), 0x1234);
|
||||
EXPECT_EQ(value, 0x224);
|
||||
}
|
||||
}
|
||||
|
||||
/** \name 8 bit unsigned int atomics
|
||||
* \{ */
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user