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Merge commit '4f50646697606df39317b93c2a427603b77636ee'

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* commit '4f50646697606df39317b93c2a427603b77636ee':
  x86: sbrdsp: Implement SSE qmf_post_shuffle

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-01-07 01:51:04 +01:00
parent 8429320313 4f50646697
commit c526a01c91
2 changed files with 22 additions and 0 deletions
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20
libavcodec/x86/sbrdsp.asm
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@@ -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