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| author | Michael Niedermayer <michaelni@gmx.at> | 2007-08-21 00:02:19 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2007-08-21 00:02:19 +0000 |
| commit | d0dae46a9087874116316352815fac3bac9284d6 (patch) | |
| tree | 7ecaf6eea6577ca7115ac317acd09e3c2bd6974b /libavcodec | |
| parent | 1ffbbef2177f4b6e633f6d52d364c20a17e3410f (diff) | |
Simplify and optimize the 4th vertical lifting step of the MMX code
This also reduces the needed headroom in that step by 1 bit
Originally committed as revision 10164 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/i386/snowdsp_mmx.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/libavcodec/i386/snowdsp_mmx.c b/libavcodec/i386/snowdsp_mmx.c index 229c721822..cfdfb951fc 100644 --- a/libavcodec/i386/snowdsp_mmx.c +++ b/libavcodec/i386/snowdsp_mmx.c @@ -604,9 +604,8 @@ void ff_snow_vertical_compose97i_mmx(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTE snow_vertical_compose_mmx_store(REG_c,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add(REG_S,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7") - snow_vertical_compose_mmx_r2r_add("mm0","mm2","mm4","mm6","mm0","mm2","mm4","mm6") - snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_sra("1","mm0","mm2","mm4","mm6") + snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_store(REG_a,"mm0","mm2","mm4","mm6") |