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Merge 1966db91b7 into c8b5b74500

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Jim Huang 2021-06-08 14:58:35 -05:00 • committed by GitHub
commit 618a6bff94
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1 changed files with 3 additions and 7 deletions
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10
include/mimalloc-atomic.h
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@ -293,19 +293,15 @@ static inline void mi_atomic_yield(void) {
static inline void mi_atomic_yield(void) {
__asm__ volatile ("pause" ::: "memory");
}
#elif defined(__aarch64__)
#elif defined(__aarch64__) || (defined(__arm__) && __ARM_ARCH >= 7)
static inline void mi_atomic_yield(void) {
asm volatile("wfe");
}
#elif (defined(__arm__) && __ARM_ARCH__ >= 7)
static inline void mi_atomic_yield(void) {
__asm__ volatile("yield" ::: "memory");
asm volatile("isb" ::: "memory");
}
#elif defined(__powerpc__) || defined(__ppc__) || defined(__PPC__)
static inline void mi_atomic_yield(void) {
__asm__ __volatile__ ("or 27,27,27" ::: "memory");
}
#elif defined(__armel__) || defined(__ARMEL__)
#elif defined(__arm__) /* Arm cores prior to Armv7-A */
static inline void mi_atomic_yield(void) {
asm volatile ("nop" ::: "memory");
}