Revision 36d6b545
ID | 36d6b545a1a5309b3d9223b0db40ad2879817af5 |
Parent | 2e6ed48d |
Child | a74f893b |
CMOV-ify vp56 arithcoder
This incantation causes gcc 4.3 to generate cmov on x86, a vastly better option
than a completely unpredictable branch.
Hopefully this carries over to newer versions and other CPUs with conditionals.
~5 cycles saved per call on a Core i7.
Originally committed as revision 23921 to svn://svn.ffmpeg.org/ffmpeg/trunk
Files
- added
- modified
- copied
- renamed
- deleted