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Make sure the memory barrier functions are always available, and now they are implemented on Android __ARM_ARCH_5TE__

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This commit is contained in:
Sam Lantinga 2017-02-10 11:21:15 -08:00
parent bb16c71b71
commit 121cd476bc
5 changed files with 22 additions and 30 deletions
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25
src/atomic/SDL_atomic.c
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@ -228,19 +228,16 @@ SDL_AtomicGetPtr(void **a)
return value;
}
#ifdef __thumb__
#if defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
__asm__(
" .align 2\n"
" .globl _SDL_MemoryBarrierRelease\n"
" .globl _SDL_MemoryBarrierAcquire\n"
"_SDL_MemoryBarrierRelease:\n"
"_SDL_MemoryBarrierAcquire:\n"
" mov r0, #0\n"
" mcr p15, 0, r0, c7, c10, 5\n"
" bx lr\n"
);
#endif
#endif
void
SDL_MemoryBarrierReleaseFunction(void)
{
SDL_MemoryBarrierRelease();
}
void
SDL_MemoryBarrierAcquireFunction(void)
{
SDL_MemoryBarrierAcquire();
}
/* vi: set ts=4 sw=4 expandtab: */