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use _mm_pause (#1433)

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This commit is contained in:
colin
2021-07-01 19:29:48 +08:00
committed by GitHub
parent 5c154d34dc
commit 338f53fbe0
1 changed files with 6 additions and 5 deletions
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3
skynet-src/spinlock.h
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@@ -53,7 +53,8 @@ spinlock_destroy(struct spinlock *lock) {
#define atomic_load_relaxed_(ptr) atomic_load_explicit(ptr, memory_order_relaxed)
#if defined(__x86_64__)
#define atomic_pause_() __builtin_ia32_pause()
#include <immintrin.h> // For _mm_pause
#define atomic_pause_() _mm_pause()
#else
#define atomic_pause_() ((void)0)
#endif