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Diffstat (limited to 'libavcodec/x86/sbrdsp.asm')
-rw-r--r--libavcodec/x86/sbrdsp.asm20
1 files changed, 20 insertions, 0 deletions
diff --git a/libavcodec/x86/sbrdsp.asm b/libavcodec/x86/sbrdsp.asm
index 063c24f95c..ae8449065c 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
@@ -203,3 +204,22 @@ 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