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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-06-26 16:50:10 -0400 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-07-27 14:21:32 -0400 |
| commit | e9da9a311199c26e2ba1407a06c4b241148557b7 (patch) | |
| tree | 7b00493c8845b7bcde8de8fbb4041f28e65adb31 | |
| parent | 743f07062a89a484e1be796da3eaa5e5047aee7d (diff) | |
| download | ffmpeg-e9da9a311199c26e2ba1407a06c4b241148557b7.tar.gz | |
lavr: x86: improve non-SSE4 version of S16_TO_S32_SX macro
Removes a false dependency on existing contents of the 2nd dst register,
giving better performance for OOE.
| -rw-r--r-- | libavresample/x86/util.asm | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavresample/x86/util.asm b/libavresample/x86/util.asm index 501f662d43..ca7fde513a 100644 --- a/libavresample/x86/util.asm +++ b/libavresample/x86/util.asm @@ -26,7 +26,8 @@ pmovsxwd m%1, m%1 SWAP %1, %2 %else - punpckhwd m%2, m%1 + mova m%2, m%1 + punpckhwd m%2, m%2 punpcklwd m%1, m%1 psrad m%2, 16 psrad m%1, 16 |