commit a55db1fc497dfa30e9f0596f8bb203f7645d17b7
author Michael Niedermayer <michaelni@gmx.at> Sat Mar 17 20:45:45 2012 +0100
committer Michael Niedermayer <michaelni@gmx.at> Fri May 11 22:39:50 2012 +0200
tree 1bab8fd25f591ed1b950a7bf170cdd1a2187bfd4
parent 123e925956772a990c69dfbc25437ea8daf3b804

dsp: fix diff_bytes_mmx() with small width

Fixes Ticket1068

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 73089eccd3e48539555349b36d8aabbf1cea416e)

libavcodec/x86/dsputilenc_mmx.c

diff --git a/libavcodec/x86/dsputilenc_mmx.c b/libavcodec/x86/dsputilenc_mmx.c
index 1717a01..c1a648b 100644
--- a/libavcodec/x86/dsputilenc_mmx.c
+++ b/libavcodec/x86/dsputilenc_mmx.c
@@ -882,6 +882,7 @@
 
 static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
     x86_reg i=0;
+    if(w>=16)
     __asm__ volatile(
         "1:                             \n\t"
         "movq  (%2, %0), %%mm0          \n\t"