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authorMåns Rullgård <mans@mansr.com>2010-01-20 06:01:54 +0000
committerMåns Rullgård <mans@mansr.com>2010-01-20 06:01:54 +0000
commit5e7dfb7de11dab3cbf8663d4fcb682935bd3a80b (patch)
tree13de579124ef323ace42fec078a1f6b9c611be57 /libavcodec/x86/mathops.h
parentbec358d683954738488a7ea529a340e9b11931ef (diff)
downloadffmpeg-5e7dfb7de11dab3cbf8663d4fcb682935bd3a80b.tar.gz
Move COPY3_IF_LT to lavc/mathops.h
This obscure macro is only used in motion_est.c so having it in lavc makes more sense. See discussion here: http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2008-November/056561.html Originally committed as revision 21346 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/x86/mathops.h')
-rw-r--r--libavcodec/x86/mathops.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/libavcodec/x86/mathops.h b/libavcodec/x86/mathops.h
index a66c601878..691a200fd4 100644
--- a/libavcodec/x86/mathops.h
+++ b/libavcodec/x86/mathops.h
@@ -66,4 +66,16 @@ static inline av_const int mid_pred(int a, int b, int c)
}
#endif
+#if HAVE_CMOV
+#define COPY3_IF_LT(x, y, a, b, c, d)\
+__asm__ volatile(\
+ "cmpl %0, %3 \n\t"\
+ "cmovl %3, %0 \n\t"\
+ "cmovl %4, %1 \n\t"\
+ "cmovl %5, %2 \n\t"\
+ : "+&r" (x), "+&r" (a), "+r" (c)\
+ : "r" (y), "r" (b), "r" (d)\
+);
+#endif
+
#endif /* AVCODEC_X86_MATHOPS_H */