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atomic: Fix memory barriers on MSVC ARM32/ARM64

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(cherry picked from commit 26616cd653)
This commit is contained in:
Cameron Gutman
2026-04-24 20:22:25 -05:00
parent 6c5a82ba77
commit 01b0e1a407
1 changed files with 8 additions and 0 deletions
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8
include/SDL_atomic.h
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@@ -183,6 +183,14 @@ extern 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(_MSC_VER) && defined(_M_ARM)
#include <armintr.h>
#define SDL_MemoryBarrierRelease() __dmb(_ARM_BARRIER_ISH)
#define SDL_MemoryBarrierAcquire() __dmb(_ARM_BARRIER_ISH)
#elif defined(__GNUC__) && defined(__arm__)
#if 0 /* defined(__LINUX__) || defined(__ANDROID__) */
/* Information from: