Fix overflow.

Originally committed as revision 27573 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c
index 81743f2..6048bfc 100644 (file)
--- a/libswscale/swscale_template.c
+++ b/libswscale/swscale_template.c
@@ -190,8 +190,8 @@
     "1:                                   \n\t"\
     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
-    "paddw              %%mm7, %%mm0      \n\t"\
-    "paddw              %%mm7, %%mm1      \n\t"\
+    "paddsw             %%mm7, %%mm0      \n\t"\
+    "paddsw             %%mm7, %%mm1      \n\t"\
     "psraw                 $7, %%mm0      \n\t"\
     "psraw                 $7, %%mm1      \n\t"\
     "packuswb           %%mm1, %%mm0      \n\t"\