From: Anton Mitrofanov <bugmas...@narod.ru>
Emulation requires a temporary register if arguments 1 and 4 are the same; this
doesn't obey the semantics of the original instruction, so we can't emulate
that in x86inc.
Also add pmacsdql emulation.
Signed-off-by: Henrik Gramner <hen...@gramner.com>
---
libavutil/x86/x86inc.asm | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/libavutil/x86/x86inc.asm b/libavutil/x86/x86inc.asm
index a6e1f33..4c0a4bd 100644
--- a/libavutil/x86/x86inc.asm
+++ b/libavutil/x86/x86inc.asm
@@ -1410,15 +1410,18 @@ AVX_INSTR pfmul, 1, 0, 1
%macro %1 4-7 %1, %2, %3
%if cpuflag(xop)
v%5 %1, %2, %3, %4
- %else
+ %elifnidn %1, %4
%6 %1, %2, %3
%7 %1, %4
+ %else
+ %error non-xop emulation of ``%5 %1, %2, %3, %4'' is not supported
%endif
%endmacro
%endmacro
-FMA_INSTR pmacsdd, pmulld, paddd
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.
--
1.8.3.2
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