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Linshizhi
ffmpeg.wasm-core
Commits
07e1f99a
Commit
07e1f99a
authored
Sep 10, 2016
by
Alexandra Hájková
Committed by
Luca Barbato
Sep 19, 2016
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x86util: Document SBUTTERFLY macro
Signed-off-by:
Luca Barbato
<
lu_zero@gentoo.org
>
parent
de64dd13
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x86util.asm
libavutil/x86/x86util.asm
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libavutil/x86/x86util.asm
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07e1f99a
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@@ -29,6 +29,16 @@
%include
"libavutil/x86/x86inc.asm"
; Interleave low src0 with low src1 and store in src0,
; interleave high src0 with high src1 and store in src1.
; %1 - types
; %2 - index of the register with src0
; %3 - index of the register with src1
; %4 - index of the register for intermediate results
; example for %1 - wd: input: src0: x0 x1 x2 x3 z0 z1 z2 z3
; src1: y0 y1 y2 y3 q0 q1 q2 q3
; output: src0: x0 y0 x1 y1 x2 y2 x3 y3
; src1: z0 q0 z1 q1 z2 q2 z3 q3
%macro
SBUTTERFLY
4
%if
avx_enabled
==
0
mova
m%4
,
m%2
...
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