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6d37ca8a4e8a527cbeff2a011862b3042a8d3e34
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3 Commits

Author SHA1 Message Date
Michael Niedermayer 41d08ca575 avcodec/arm/cabac: fix inline cabac reader with the UNCHECKED bitstream reader 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-15 01:08:45 +01:00
Michael Niedermayer fa4f573997 Merge commit '634d9d8b398982647b3d7160641198744901d8d8' 
* commit '634d9d8b398982647b3d7160641198744901d8d8':
  arm: get_cabac inline asm

Merged-by: Michael Niedermayer <michaelni@gmx.at>
 2014-03-09 13:37:29 +01:00
Janne Grunau 634d9d8b39 arm: get_cabac inline asm 
Based on the aarch64 asm. CPU cycle counts on cortex-a9 compared to
gcc 4.8.2:
before: 475 decicycles in get_cabac_noinline, 67106035 runs, 2829 skips
after:  393 decicycles in get_cabac_noinline, 67106474 runs, 2390 skips

Overall speedup is above 2%. Code generated by clang 3.4 is slower on
the same hardware and the relative change is a little larger.
 2014-03-09 00:45:34 +01:00