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| author | James Almer <jamrial@gmail.com> | 2015-08-03 03:28:37 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2015-08-03 17:11:13 -0300 |
| commit | 5750d6c5e9d184488f4dc0f9e81cbcc28cb2f2d1 (patch) | |
| tree | 41fcfa1cde031405eebbab47c280511c96476d28 /libavutil/x86/x86inc.asm | |
| parent | 2ca0ed9cfda21c8a6f9884b93613602782dcda71 (diff) | |
| download | ffmpeg-5750d6c5e9d184488f4dc0f9e81cbcc28cb2f2d1.tar.gz | |
x86: move XOP emulation code back to x86inc
Only two functions that use xop multiply-accumulate instructions where the
first operand is the same as the fourth actually took advantage of the macros.
This further reduces differences with x264's x86inc.
Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavutil/x86/x86inc.asm')
| -rw-r--r-- | libavutil/x86/x86inc.asm | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libavutil/x86/x86inc.asm b/libavutil/x86/x86inc.asm index d4c5e698fa..28a2d87f8f 100644 --- a/libavutil/x86/x86inc.asm +++ b/libavutil/x86/x86inc.asm @@ -1427,6 +1427,22 @@ AVX_INSTR pfmul, 3dnow, 1, 0, 1 %undef i %undef j +%macro FMA_INSTR 3 + %macro %1 4-7 %1, %2, %3 + %if cpuflag(xop) + v%5 %1, %2, %3, %4 + %else + %6 %1, %2, %3 + %7 %1, %4 + %endif + %endmacro +%endmacro + +FMA_INSTR pmacsww, pmullw, paddw +FMA_INSTR pmacsdd, pmulld, paddd ; sse4 emulation +FMA_INSTR pmacsdql, pmuldq, paddq ; sse4 emulation +FMA_INSTR pmadcswd, pmaddwd, paddd + ; tzcnt is equivalent to "rep bsf" and is backwards-compatible with bsf. ; This lets us use tzcnt without bumping the yasm version requirement yet. %define tzcnt rep bsf |