[SCM] libav/experimental: enable CMOV_IS_FAST as its faster or equal speed on every cpu (duron, athlon, PM, P3) from which ive seen benchmarks, it might be slower on P4 but noone has posted benchmarks ...

siretart at users.alioth.debian.org siretart at users.alioth.debian.org
Sun Jun 30 15:52:07 UTC 2013


The following commit has been merged in the experimental branch:
commit 3650b43959cdd2fbe6fa9cff3208c2e953c9faee
Author: Michael Niedermayer <michaelni at gmx.at>
Date:   Wed Oct 11 12:23:40 2006 +0000

    enable CMOV_IS_FAST as its faster or equal speed on every cpu (duron, athlon, PM, P3) from which ive seen benchmarks, it might be slower on P4 but noone has posted benchmarks ...
    
    Originally committed as revision 6652 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/cabac.h b/libavcodec/cabac.h
index a677d0f..f5e4e03 100644
--- a/libavcodec/cabac.h
+++ b/libavcodec/cabac.h
@@ -32,6 +32,7 @@
 #define CABAC_BITS 16
 #define CABAC_MASK ((1<<CABAC_BITS)-1)
 #define BRANCHLESS_CABAC_DECODER 1
+#define CMOV_IS_FAST 1
 
 typedef struct CABACContext{
     int low;

-- 
Libav/FFmpeg packaging



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