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[Support/rpmalloc] Updated fake atomics with Interlocked functions #148303

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Merged
merged 1 commit into from
Jul 15, 2025
Merged

[Support/rpmalloc] Updated fake atomics with Interlocked functions #148303

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18 changes: 11 additions & 7 deletions llvm/lib/Support/rpmalloc/rpmalloc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -275,9 +275,11 @@ typedef volatile long atomic32_t;
typedef volatile long long atomic64_t;
typedef volatile void *atomicptr_t;

static FORCEINLINE int32_t atomic_load32(atomic32_t *src) { return *src; }
static FORCEINLINE int32_t atomic_load32(atomic32_t *src) {
return (int32_t)InterlockedOr(src, 0);
}
static FORCEINLINE void atomic_store32(atomic32_t *dst, int32_t val) {
*dst = val;
InterlockedExchange(dst, val);
}
static FORCEINLINE int32_t atomic_incr32(atomic32_t *val) {
return (int32_t)InterlockedIncrement(val);
Expand All @@ -293,20 +295,22 @@ static FORCEINLINE int atomic_cas32_acquire(atomic32_t *dst, int32_t val,
return (InterlockedCompareExchange(dst, val, ref) == ref) ? 1 : 0;
}
static FORCEINLINE void atomic_store32_release(atomic32_t *dst, int32_t val) {
*dst = val;
InterlockedExchange(dst, val);
}
static FORCEINLINE int64_t atomic_load64(atomic64_t *src) {
return (int64_t)InterlockedOr64(src, 0);
}
static FORCEINLINE int64_t atomic_load64(atomic64_t *src) { return *src; }
static FORCEINLINE int64_t atomic_add64(atomic64_t *val, int64_t add) {
return (int64_t)InterlockedExchangeAdd64(val, add) + add;
}
static FORCEINLINE void *atomic_load_ptr(atomicptr_t *src) {
return (void *)*src;
return InterlockedCompareExchangePointer(src, 0, 0);
}
static FORCEINLINE void atomic_store_ptr(atomicptr_t *dst, void *val) {
*dst = val;
InterlockedExchangePointer(dst, val);
}
static FORCEINLINE void atomic_store_ptr_release(atomicptr_t *dst, void *val) {
*dst = val;
InterlockedExchangePointer(dst, val);
}
static FORCEINLINE void *atomic_exchange_ptr_acquire(atomicptr_t *dst,
void *val) {
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