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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-07 01:51:04 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-01-07 01:51:10 +0100 |
| commit | c526a01c91979e907be3f5b475eadc663c03aadb (patch) | |
| tree | 02b7a1ed5020012c05d00c70eca384e41c95ff40 /libavcodec/x86/sbrdsp.asm | |
| parent | 8429320313a3bca0b2ce789b612ac3df51968a70 (diff) | |
| parent | 4f50646697606df39317b93c2a427603b77636ee (diff) | |
| download | ffmpeg-c526a01c91979e907be3f5b475eadc663c03aadb.tar.gz | |
Merge commit '4f50646697606df39317b93c2a427603b77636ee'
* commit '4f50646697606df39317b93c2a427603b77636ee':
x86: sbrdsp: Implement SSE qmf_post_shuffle
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/sbrdsp.asm')
| -rw-r--r-- | libavcodec/x86/sbrdsp.asm | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libavcodec/x86/sbrdsp.asm b/libavcodec/x86/sbrdsp.asm index 6cde1a8e4e..1b7f3a8646 100644 --- a/libavcodec/x86/sbrdsp.asm +++ b/libavcodec/x86/sbrdsp.asm @@ -24,6 +24,7 @@ SECTION_RODATA ; mask equivalent for multiply by -1.0 1.0 ps_mask times 2 dd 1<<31, 0 +ps_neg times 4 dd 1<<31 SECTION_TEXT @@ -200,3 +201,22 @@ cglobal sbr_sum64x5, 1,2,4,z cmp zq, r1q jne .loop REP_RET + +INIT_XMM sse +cglobal sbr_qmf_post_shuffle, 2,3,4,W,z + lea r2q, [zq + (64-4)*4] + mova m3, [ps_neg] +.loop: + mova m1, [zq] + xorps m0, m3, [r2q] + shufps m0, m0, m0, q0123 + unpcklps m2, m0, m1 + unpckhps m0, m0, m1 + mova [Wq + 0], m2 + mova [Wq + 16], m0 + add Wq, 32 + sub r2q, 16 + add zq, 16 + cmp zq, r2q + jl .loop + REP_RET |