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Linshizhi
ffmpeg.wasm-core
Commits
ca5c3ff9
Commit
ca5c3ff9
authored
Nov 15, 2014
by
Michael Niedermayer
Committed by
Vittorio Giovara
Nov 25, 2014
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vf_interlace: x86: improve asm performance
4775 decicycles -> 3688 decicycles
parent
57ed5a64
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1 changed file
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19 additions
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27 deletions
+19
-27
vf_interlace.asm
libavfilter/x86/vf_interlace.asm
+19
-27
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libavfilter/x86/vf_interlace.asm
View file @
ca5c3ff9
...
@@ -2,6 +2,7 @@
...
@@ -2,6 +2,7 @@
;* x86-optimized functions for interlace filter
;* x86-optimized functions for interlace filter
;*
;*
;* Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv>
;* Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv>
;* Copyright (c) 2014 Michael Niedermayer <michaelni@gmx.at>
;*
;*
;* This file is part of Libav.
;* This file is part of Libav.
;*
;*
...
@@ -34,36 +35,27 @@ cglobal lowpass_line, 5, 5, 7
...
@@ -34,36 +35,27 @@ cglobal lowpass_line, 5, 5, 7
add
r4
,
r1
add
r4
,
r1
neg
r1
neg
r1
p
xor
m6
,
m6
p
cmpeqb
m6
,
m6
.
loop
.
loop
mova
m0
,
[
r2
+
r1
]
mova
m0
,
[
r3
+
r1
]
punpcklbw
m1
,
m0
,
m6
mova
m1
,
[
r3
+
r1
+
mmsize
]
punpckhbw
m0
,
m6
pavgb
m0
,
[
r4
+
r1
]
paddw
m0
,
m0
pavgb
m1
,
[
r4
+
r1
+
mmsize
]
paddw
m1
,
m1
mova
m2
,
[
r2
+
r1
]
mova
m3
,
[
r2
+
r1
+
mmsize
]
pxor
m0
,
m6
pxor
m1
,
m6
pxor
m2
,
m6
,
[
r2
+
r1
]
pxor
m3
,
m6
,
[
r2
+
r1
+
mmsize
]
pavgb
m0
,
m2
pavgb
m1
,
m3
pxor
m0
,
m6
pxor
m1
,
m6
mova
[
r0
+
r1
]
,
m0
mova
[
r0
+
r1
+
mmsize
]
,
m1
mova
m2
,
[
r3
+
r1
]
add
r1
,
2
*
mmsize
punpcklbw
m3
,
m2
,
m6
punpckhbw
m2
,
m6
mova
m4
,
[
r4
+
r1
]
punpcklbw
m5
,
m4
,
m6
punpckhbw
m4
,
m6
paddw
m1
,
m3
pavgw
m1
,
m5
paddw
m0
,
m2
pavgw
m0
,
m4
psrlw
m0
,
1
psrlw
m1
,
1
packuswb
m1
,
m0
mova
[
r0
+
r1
]
,
m1
add
r1
,
mmsize
jl
.
loop
jl
.
loop
REP_RET
REP_RET
%endmacro
%endmacro
...
...
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