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x86inc: Extend FMA_INSTR functionality

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Support the cases where the first and last operand of
the XOP instruction are the same.

Also add vpmacsdql emulation.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Almer
2014-02-08 02:54:50 -03:00
committed by Michael Niedermayer
parent 623f380a18
commit 23a8c63452
1 changed files with 4 additions and 0 deletions
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4
libavutil/x86/x86inc.asm
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@@ -1411,6 +1411,9 @@ AVX_INSTR pfmul, 1, 0, 1
%macro %1 4-7 %1, %2, %3 %macro %1 4-7 %1, %2, %3
%if cpuflag(xop) %if cpuflag(xop)
v%5 %1, %2, %3, %4 v%5 %1, %2, %3, %4
%elifidn %1, %4
%6 %2, %3
%7 %1, %2
%else %else
%6 %1, %2, %3 %6 %1, %2, %3
%7 %1, %4 %7 %1, %4
@@ -1420,6 +1423,7 @@ AVX_INSTR pfmul, 1, 0, 1
FMA_INSTR pmacsdd, pmulld, paddd FMA_INSTR pmacsdd, pmulld, paddd
FMA_INSTR pmacsww, pmullw, paddw FMA_INSTR pmacsww, pmullw, paddw
FMA_INSTR pmacsdql, pmuldq, paddq
FMA_INSTR pmadcswd, pmaddwd, paddd FMA_INSTR pmadcswd, pmaddwd, paddd
; tzcnt is equivalent to "rep bsf" and is backwards-compatible with bsf. ; tzcnt is equivalent to "rep bsf" and is backwards-compatible with bsf.