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| author | Måns Rullgård <mans@mansr.com> | 2010-08-25 15:41:11 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-08-25 15:41:11 +0000 |
| commit | 69dad87c4867135ae7221b3fd872f91df8d96e5c (patch) | |
| tree | d2e3a11768b7f520ddb59d2a9df5c57a88337b6d /libavcodec/x86/vp56dsp.asm | |
| parent | 7934b15d5a12796da9db28441e105520bb57f2e2 (diff) | |
VP6: fix vp6_filter_diag4_mmx/sse on 64-bit
The stride can be negative and must be sign extended before being
used in pointer arithmetic.
Originally committed as revision 24926 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/x86/vp56dsp.asm')
| -rw-r--r-- | libavcodec/x86/vp56dsp.asm | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/x86/vp56dsp.asm b/libavcodec/x86/vp56dsp.asm index 217e63a078..1b3165e54a 100644 --- a/libavcodec/x86/vp56dsp.asm +++ b/libavcodec/x86/vp56dsp.asm @@ -127,6 +127,9 @@ cglobal vp6_filter_diag4_%1, 5, 7, %2 sub rsp, 8*15 movq m6, [pw_64] %endif +%ifdef ARCH_X86_64 + movsxd r2, r2d +%endif sub r1, r2 |