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x86/vp9lpf: remove 8 SWAPs in 84/48 transpose.

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This commit is contained in:
Clément Bœsch 2014-02-05 07:21:13 +01:00
parent 97dde561de
commit d92a725329
1 changed files with 10 additions and 23 deletions
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33
libavcodec/x86/vp9lpf.asm
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@ -759,30 +759,17 @@ SECTION .text
movd [Q6], m14
movd [Q7], m15
%else
mova m4, [P3]
mova m5, [P2]
mova m6, [P1]
mova m7, [P0]
mova m8, [Q0]
mova m9, [Q1]
mova m10, [Q2]
mova m11, [Q3]
DEFINE_REAL_P7_TO_Q7
; the following code do a transpose of 8 full centered lines to 16 half
; the following code do a transpose of 8 full lines to 16 half
; lines (high part). It is inlined to avoid the need of a staging area
; move from [-4;4] to [-8;0]
SWAP 0, 4
SWAP 1, 5
SWAP 2, 6
SWAP 3, 7
SWAP 4, 8
SWAP 5, 9
SWAP 6, 10
SWAP 7, 11
mova m0, [P3]
mova m1, [P2]
mova m2, [P1]
mova m3, [P0]
mova m4, [Q0]
mova m5, [Q1]
mova m6, [Q2]
mova m7, [Q3]
DEFINE_REAL_P7_TO_Q7
SBUTTERFLY bw, 0, 1, 8
SBUTTERFLY bw, 2, 3, 8
SBUTTERFLY bw, 4, 5, 8