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submodule
ffmpeg
Commits
933dd622
Commit
933dd622
authored
Jun 05, 2017
by
James Almer
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x86/aacpsdsp: optimize ff_ps_mul_pair_single_sse
~2% faster.
parent
caf7d617
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12 additions
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9 deletions
+12
-9
aacpsdsp.asm
libavcodec/x86/aacpsdsp.asm
+12
-9
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libavcodec/x86/aacpsdsp.asm
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933dd622
...
...
@@ -62,24 +62,27 @@ PS_ADD_SQUARES 3
; float *src1, int n);
;*******************************************************************
INIT_XMM
sse
cglobal
ps_mul_pair_single
,
4
,
5
,
4
,
dst
,
src1
,
src2
,
n
xor
r4q
,
r4q
cglobal
ps_mul_pair_single
,
4
,
4
,
4
,
dst
,
src1
,
src2
,
n
shl
nd
,
3
add
src1q
,
nq
add
dstq
,
nq
neg
nq
align
16
.
loop
:
movu
m0
,
[
src1q
+
r4
q
]
movu
m1
,
[
src1q
+
r4
q
+
mmsize
]
movu
m0
,
[
src1q
+
n
q
]
movu
m1
,
[
src1q
+
n
q
+
mmsize
]
mova
m2
,
[src2q]
mova
m3
,
m2
unpcklps
m2
,
m2
unpckhps
m3
,
m3
mulps
m0
,
m2
mulps
m1
,
m3
mova
[
dstq
+
r4
q
]
,
m0
mova
[
dstq
+
r4
q
+
mmsize
]
,
m1
mova
[
dstq
+
n
q
]
,
m0
mova
[
dstq
+
n
q
+
mmsize
]
,
m1
add
src2q
,
mmsize
add
r4q
,
mmsize
*
2
sub
nd
,
mmsize
/
4
jg
.
loop
add
nq
,
mmsize
*
2
jl
.
loop
REP_RET
;***********************************************************************
...
...
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