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dsp: fix diff_bytes_mmx() with small width

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Fixes Ticket1068

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 73089eccd3e48539555349b36d8aabbf1cea416e)
This commit is contained in:
Michael Niedermayer 2012-03-17 20:45:45 +01:00
parent 22285aba13
commit df93682e64
1 changed files with 1 additions and 0 deletions
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libavcodec/x86/dsputilenc_mmx.c
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@ -823,6 +823,7 @@ static int vsad16_mmx2(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, i
static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){ static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
x86_reg i=0; x86_reg i=0;
if(w>=16)
__asm__ volatile( __asm__ volatile(
"1: \n\t" "1: \n\t"
"movq (%2, %0), %%mm0 \n\t" "movq (%2, %0), %%mm0 \n\t"