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atomic: Fix memory barriers on MSVC ARM64

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(cherry picked from commit 2c4c8172d7)
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Cameron Gutman 2026-04-23 21:27:49 -05:00
parent 604a4dfa69
commit 396cd2d7f7
1 changed files with 4 additions and 0 deletions
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4
include/SDL3/SDL_atomic.h
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@ -284,6 +284,10 @@ extern SDL_DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void);
#elif defined(__GNUC__) && defined(__aarch64__)
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("dmb ish" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("dmb ishld" : : : "memory")
#elif defined(_MSC_VER) && (defined(_M_ARM64) || defined(_M_ARM64EC))
#include <arm64intr.h>
#define SDL_MemoryBarrierRelease() __dmb(_ARM64_BARRIER_ISH)
#define SDL_MemoryBarrierAcquire() __dmb(_ARM64_BARRIER_ISHLD)
#elif defined(__GNUC__) && defined(__arm__)
#if 0 /* defined(SDL_PLATFORM_LINUX) || defined(SDL_PLATFORM_ANDROID) */
/* Information from: