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{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"add %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int32_t
OFAtomicInt32Add(volatile int32_t *_Nonnull p, int32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"add %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE void *_Nullable
OFAtomicPointerAdd(void *volatile _Nullable *_Nonnull p, intptr_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"add %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return (void *)i;
}
static OF_INLINE int
OFAtomicIntSubtract(volatile int *_Nonnull p, int i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"sub %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int32_t
OFAtomicInt32Subtract(volatile int32_t *_Nonnull p, int32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"sub %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE void *_Nullable
OFAtomicPointerSubtract(void *volatile _Nullable *_Nonnull p, intptr_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"sub %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return (void *)i;
}
static OF_INLINE int
OFAtomicIntIncrease(volatile int *_Nonnull p)
{
int i;
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %1\n\t"
"addi %0, %0, 1\n\t"
"stwcx. %0, 0, %1\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int32_t
OFAtomicInt32Increase(volatile int32_t *_Nonnull p)
{
int32_t i;
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %1\n\t"
"addi %0, %0, 1\n\t"
"stwcx. %0, 0, %1\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int
OFAtomicIntDecrease(volatile int *_Nonnull p)
{
int i;
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %1\n\t"
"subi %0, %0, 1\n\t"
"stwcx. %0, 0, %1\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int32_t
OFAtomicInt32Decrease(volatile int32_t *_Nonnull p)
{
int32_t i;
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %1\n\t"
"subi %0, %0, 1\n\t"
"stwcx. %0, 0, %1\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE unsigned int
OFAtomicIntOr(volatile unsigned int *_Nonnull p, unsigned int i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"or %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE uint32_t
OFAtomicInt32Or(volatile uint32_t *_Nonnull p, uint32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"or %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE unsigned int
OFAtomicIntAnd(volatile unsigned int *_Nonnull p, unsigned int i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"and %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE uint32_t
OFAtomicInt32And(volatile uint32_t *_Nonnull p, uint32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"and %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE unsigned int
OFAtomicIntXor(volatile unsigned int *_Nonnull p, unsigned int i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"xor %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE uint32_t
OFAtomicInt32Xor(volatile uint32_t *_Nonnull p, uint32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"xor %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r"(i)
: "r"(i), "r"(p)
: "cc", "memory"
);
return i;
}
static OF_INLINE bool
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{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"add %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int32_t
OFAtomicInt32Add(volatile int32_t *_Nonnull p, int32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"add %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE void *_Nullable
OFAtomicPointerAdd(void *volatile _Nullable *_Nonnull p, intptr_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"add %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return (void *)i;
}
static OF_INLINE int
OFAtomicIntSubtract(volatile int *_Nonnull p, int i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"sub %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int32_t
OFAtomicInt32Subtract(volatile int32_t *_Nonnull p, int32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"sub %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE void *_Nullable
OFAtomicPointerSubtract(void *volatile _Nullable *_Nonnull p, intptr_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"sub %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return (void *)i;
}
static OF_INLINE int
OFAtomicIntIncrease(volatile int *_Nonnull p)
{
int i;
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %1\n\t"
"addi %0, %0, 1\n\t"
"stwcx. %0, 0, %1\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int32_t
OFAtomicInt32Increase(volatile int32_t *_Nonnull p)
{
int32_t i;
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %1\n\t"
"addi %0, %0, 1\n\t"
"stwcx. %0, 0, %1\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int
OFAtomicIntDecrease(volatile int *_Nonnull p)
{
int i;
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %1\n\t"
"subi %0, %0, 1\n\t"
"stwcx. %0, 0, %1\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE int32_t
OFAtomicInt32Decrease(volatile int32_t *_Nonnull p)
{
int32_t i;
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %1\n\t"
"subi %0, %0, 1\n\t"
"stwcx. %0, 0, %1\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE unsigned int
OFAtomicIntOr(volatile unsigned int *_Nonnull p, unsigned int i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"or %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE uint32_t
OFAtomicInt32Or(volatile uint32_t *_Nonnull p, uint32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"or %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE unsigned int
OFAtomicIntAnd(volatile unsigned int *_Nonnull p, unsigned int i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"and %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE uint32_t
OFAtomicInt32And(volatile uint32_t *_Nonnull p, uint32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"and %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE unsigned int
OFAtomicIntXor(volatile unsigned int *_Nonnull p, unsigned int i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"xor %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE uint32_t
OFAtomicInt32Xor(volatile uint32_t *_Nonnull p, uint32_t i)
{
__asm__ __volatile__ (
"0:\n\t"
"lwarx %0, 0, %2\n\t"
"xor %0, %0, %1\n\t"
"stwcx. %0, 0, %2\n\t"
"bne- 0b"
: "=&r" (i)
: "r" (i),
"r" (p)
: "cc", "memory"
);
return i;
}
static OF_INLINE bool
|