This commit is contained in:
AzaezelX 2020-12-22 14:33:44 -06:00
parent 52ecd8bb0f
commit 77fc164e96
675 changed files with 192770 additions and 60506 deletions

View file

@ -138,6 +138,8 @@ SDL_AtomicTryLock(SDL_SpinLock *lock)
/* "REP NOP" is PAUSE, coded for tools that don't know it by that name. */
#if (defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__x86_64__))
#define PAUSE_INSTRUCTION() __asm__ __volatile__("pause\n") /* Some assemblers can't do REP NOP, so go with PAUSE. */
#elif (defined(__arm__) && __ARM_ARCH__ >= 7) || defined(__aarch64__)
#define PAUSE_INSTRUCTION() __asm__ __volatile__("yield" ::: "memory")
#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
#define PAUSE_INSTRUCTION() _mm_pause() /* this is actually "rep nop" and not a SIMD instruction. No inline asm in MSVC x86-64! */
#elif defined(__WATCOMC__) && defined(__386__)