« Previous | Next » 

Revision 36d6b545

Parent 2e6ed48d
Child a74f893b

Added by Jason Garrett-Glaser about 11 years ago

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


  • added
  • modified
  • copied
  • renamed
  • deleted

View differences