diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/i386/dsputil_mmx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index 53cfe9d848..60511a3bab 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -482,6 +482,7 @@ static void clear_blocks_mmx(DCTELEM *blocks) static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){ x86_reg i=0; asm volatile( + "jmp 2f \n\t" "1: \n\t" "movq (%1, %0), %%mm0 \n\t" "movq (%2, %0), %%mm1 \n\t" @@ -492,8 +493,9 @@ static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){ "paddb %%mm0, %%mm1 \n\t" "movq %%mm1, 8(%2, %0) \n\t" "add $16, %0 \n\t" + "2: \n\t" "cmp %3, %0 \n\t" - " jb 1b \n\t" + " js 1b \n\t" : "+r" (i) : "r"(src), "r"(dst), "r"((x86_reg)w-15) ); @@ -504,6 +506,7 @@ static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){ static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){ x86_reg i=0; asm volatile( + "jmp 2f \n\t" "1: \n\t" "movq (%2, %0), %%mm0 \n\t" "movq 8(%2, %0), %%mm1 \n\t" @@ -512,8 +515,9 @@ static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){ "movq %%mm0, (%1, %0) \n\t" "movq %%mm1, 8(%1, %0) \n\t" "add $16, %0 \n\t" + "2: \n\t" "cmp %4, %0 \n\t" - " jb 1b \n\t" + " js 1b \n\t" : "+r" (i) : "r"(dst), "r"(src1), "r"(src2), "r"((x86_reg)w-15) ); |