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add i64 atomics

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daan 2020-09-06 13:21:02 -07:00
parent e1b4f036ca
commit 4355ab7d20
1 changed files with 61 additions and 27 deletions
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34
include/mimalloc-atomic.h
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@ -106,6 +106,13 @@ static inline void mi_atomic_maxi64_relaxed(volatile int64_t* p, int64_t x) {
while (current < x && !mi_atomic_cas_weak_release((_Atomic(int64_t)*)p, &current, x)) { /* nothing */ };
}
// Used by timers
#define mi_atomic_loadi64_acquire(p) mi_atomic(load_explicit)(p,mi_memory_order(acquire))
#define mi_atomic_loadi64_relaxed(p) mi_atomic(load_explicit)(p,mi_memory_order(relaxed))
#define mi_atomic_storei64_release(p,x) mi_atomic(store_explicit)(p,x,mi_memory_order(release))
#define mi_atomic_storei64_relaxed(p,x) mi_atomic(store_explicit)(p,x,mi_memory_order(relaxed))
#elif defined(_MSC_VER)
@ -189,6 +196,27 @@ static inline void mi_atomic_store_explicit(_Atomic(uintptr_t)* p, uintptr_t x,
mi_atomic_exchange_explicit(p, x, mo);
#endif
}
static inline int64_t mi_atomic_loadi64_explicit(_Atomic(int64_t)*p, mi_memory_order mo) {
(void)(mo);
#if defined(_M_X64)
return *p;
#else
int64_t old = *p;
int64_t x = old;
while ((old = InterlockedCompareExchange64(p, x, old)) != x) {
x = old;
}
return x;
#endif
}
static inline void mi_atomic_storei64_explicit(_Atomic(int64_t)*p, int64_t x, mi_memory_order mo) {
(void)(mo);
#if defined(x_M_IX86) || defined(_M_X64)
*p = x;
#else
InterlockedExchange64(p, x);
#endif
}
// These are used by the statistics
static inline int64_t mi_atomic_addi64_relaxed(volatile _Atomic(int64_t)*p, int64_t add) {
@ -222,6 +250,12 @@ static inline void mi_atomic_maxi64_relaxed(volatile _Atomic(int64_t)*p, int64_t
#define mi_atomic_exchange_ptr_release(tp,p,x) (tp*)mi_atomic_exchange_release((_Atomic(uintptr_t)*)(p),(uintptr_t)x)
#define mi_atomic_exchange_ptr_acq_rel(tp,p,x) (tp*)mi_atomic_exchange_acq_rel((_Atomic(uintptr_t)*)(p),(uintptr_t)x)
#define mi_atomic_loadi64_acquire(p) mi_atomic(loadi64_explicit)(p,mi_memory_order(acquire))
#define mi_atomic_loadi64_relaxed(p) mi_atomic(loadi64_explicit)(p,mi_memory_order(relaxed))
#define mi_atomic_storei64_release(p,x) mi_atomic(storei64_explicit)(p,x,mi_memory_order(release))
#define mi_atomic_storei64_relaxed(p,x) mi_atomic(storei64_explicit)(p,x,mi_memory_order(relaxed))
#endif