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| author | Clément Bœsch <u@pkh.me> | 2017-03-20 18:38:07 +0100 |
|---|---|---|
| committer | Clément Bœsch <u@pkh.me> | 2017-03-20 18:38:07 +0100 |
| commit | 3898e346b33515897d6ea83369f39e9d10a419bb (patch) | |
| tree | 8611a3db8a4e2b7459aa93d070894f36ea185309 | |
| parent | 37cf0d0bbfa0c976c2a7d630d953d6ea4a8979e0 (diff) | |
| parent | 07e1f99a1bb41d1a615676140eefc85cf69fa793 (diff) | |
| download | ffmpeg-3898e346b33515897d6ea83369f39e9d10a419bb.tar.gz | |
Merge commit '07e1f99a1bb41d1a615676140eefc85cf69fa793'
* commit '07e1f99a1bb41d1a615676140eefc85cf69fa793':
x86util: Document SBUTTERFLY macro
Merged-by: Clément Bœsch <u@pkh.me>
| -rw-r--r-- | libavutil/x86/x86util.asm | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavutil/x86/x86util.asm b/libavutil/x86/x86util.asm index c50ddc6c54..de7d2d11c1 100644 --- a/libavutil/x86/x86util.asm +++ b/libavutil/x86/x86util.asm @@ -34,6 +34,16 @@ [base], [base + stride], [base + 2*stride], [base3], \ [base3 + stride], [base3 + 2*stride], [base3 + stride3], [base3 + stride*4] +; 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 %ifidn %1, dqqq vperm2i128 m%4, m%2, m%3, q0301 |