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x86/takdsp: use arithmetic shift instructions

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p1 and p2 are int32_t.

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2015-10-09 23:17:31 -03:00
parent 4ab5666759
commit dab5f65b25
1 changed files with 4 additions and 4 deletions
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8
libavcodec/x86/takdsp.asm
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@@ -75,8 +75,8 @@ cglobal tak_decorrelate_sm, 3, 3, 6, p1, p2, length
mova m4, [p2q+lengthq+mmsize] mova m4, [p2q+lengthq+mmsize]
mova m2, m1 mova m2, m1
mova m5, m4 mova m5, m4
psrld m2, 1 psrad m2, 1
psrld m5, 1 psrad m5, 1
psubd m0, m2 psubd m0, m2
psubd m3, m5 psubd m3, m5
paddd m1, m0 paddd m1, m0
@@ -104,10 +104,10 @@ cglobal tak_decorrelate_sf, 3, 3, 5, p1, p2, length, dshift, dfactor
.loop: .loop:
mova m0, [p1q+lengthq] mova m0, [p1q+lengthq]
mova m1, [p2q+lengthq] mova m1, [p2q+lengthq]
psrld m1, m2 psrad m1, m2
pmulld m1, m3 pmulld m1, m3
paddd m1, m4 paddd m1, m4
psrld m1, 8 psrad m1, 8
pslld m1, m2 pslld m1, m2
psubd m1, m0 psubd m1, m0
mova [p1q+lengthq], m1 mova [p1q+lengthq], m1