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Merge pull request #1050 from vfazio/vfazio-mi_yield_atomic-armeb

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atomic: fix mi_atomic_yield for big-endian arm32
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Daan 2025-03-28 13:07:25 -07:00 • committed by GitHub
commit eb992b1d19
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1 changed files with 10 additions and 7 deletions
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17
include/mimalloc/atomic.h
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@ -370,8 +370,9 @@ static inline void mi_atomic_yield(void) {
_mm_pause();
}
#elif (defined(__GNUC__) || defined(__clang__)) && \
(defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__armel__) || defined(__ARMEL__) || \
defined(__aarch64__) || defined(__powerpc__) || defined(__ppc__) || defined(__PPC__)) || defined(__POWERPC__)
(defined(__x86_64__) || defined(__i386__) || \
defined(__aarch64__) || defined(__arm__) || \
defined(__powerpc__) || defined(__ppc__) || defined(__PPC__)) || defined(__POWERPC__)
#if defined(__x86_64__) || defined(__i386__)
static inline void mi_atomic_yield(void) {
__asm__ volatile ("pause" ::: "memory");
@ -380,10 +381,16 @@ static inline void mi_atomic_yield(void) {
static inline void mi_atomic_yield(void) {
__asm__ volatile("wfe");
}
#elif (defined(__arm__) && __ARM_ARCH >= 7)
#elif defined(__arm__)
#if __ARM_ARCH >= 7
static inline void mi_atomic_yield(void) {
__asm__ volatile("yield" ::: "memory");
}
#else
static inline void mi_atomic_yield(void) {
__asm__ volatile ("nop" ::: "memory");
}
#endif
#elif defined(__powerpc__) || defined(__ppc__) || defined(__PPC__) || defined(__POWERPC__)
#ifdef __APPLE__
static inline void mi_atomic_yield(void) {
@ -394,10 +401,6 @@ static inline void mi_atomic_yield(void) {
__asm__ __volatile__ ("or 27,27,27" ::: "memory");
}
#endif
#elif defined(__armel__) || defined(__ARMEL__)
static inline void mi_atomic_yield(void) {
__asm__ volatile ("nop" ::: "memory");
}
#endif
#elif defined(__sun)
// Fallback for other archs