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[util] Implement spin on ARM64

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Joshua Ashton 2022-09-13 18:50:19 +01:00 committed by Joshie
parent 57cee691b3
commit 2218462ff2
1 changed files with 6 additions and 0 deletions
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6
src/util/sync/sync_spinlock.h
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@ -21,7 +21,13 @@ namespace dxvk::sync {
void spin(uint32_t spinCount, const Fn& fn) { void spin(uint32_t spinCount, const Fn& fn) {
while (unlikely(!fn())) { while (unlikely(!fn())) {
for (uint32_t i = 1; i < spinCount; i++) { for (uint32_t i = 1; i < spinCount; i++) {
#if defined(DXVK_ARCH_X86)
_mm_pause(); _mm_pause();
#elif defined(DXVK_ARCH_ARM64)
__asm__ __volatile__ ("yield");
#else
#error "Pause/Yield not implemented for this architecture."
#endif
if (fn()) if (fn())
return; return;
} }