swscale: sign-extend integer function argument to qword on x86-64.

13 years ago · 783487ae44
parent 166f399377
commit 783487ae44
1 changed files with 1 additions and 0 deletions
--- a/libswscale/x86/output.asm
+++ b/libswscale/x86/output.asm
@ -317,6 +317,7 @@ yuv2planeX_fn 10,  7, 5

 %macro yuv2plane1_fn 3
 cglobal yuv2plane1_%1, %3, %3, %2, src, dst, dstw, dither, offset
+    movsxdifnidn dstwq, dstwd
    add          dstwq, mmsize - 1
    and          dstwq, ~(mmsize - 1)
 %if %1 == 8