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SDL_blit_copy: Don't call potentially FPU using SDL_memcpy in SDL_memcpyMMX

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Anonymous Maarten 2023-03-25 07:07:49 +01:00 • committed by Anonymous Maarten
parent 37c9329db2
commit 9ada9daf51
2 changed files with 6 additions and 5 deletions
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8
src/video/SDL_blit_copy.c
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@ -56,7 +56,7 @@ static SDL_INLINE void SDL_TARGETING("sse") SDL_memcpySSE(Uint8 *dst, const Uint
#endif
static SDL_INLINE void SDL_TARGETING("mmx") SDL_memcpyMMX(Uint8 *dst, const Uint8 *src, int len)
{
const int remain = (len & 63);
int remain = len & 63;
int i;
__m64 *d64 = (__m64 *)dst;
@ -78,7 +78,11 @@ static SDL_INLINE void SDL_TARGETING("mmx") SDL_memcpyMMX(Uint8 *dst, const Uint
if (remain) {
const int skip = len - remain;
SDL_memcpy(dst + skip, src + skip, remain);
dst += skip;
src += skip;
while (remain--) {
*dst++ = *src++;
}
}
}