On 12/30/2011 05:50 PM, Dmitry Melnik wrote:
> If one of branches has significantly greater probability than the other,
> then it may be better to rely on CPU's branch prediction and block
> reordering, than putting rarely executed instructions into the pipeline.
> In this patch we set 10% frequen
If one of branches has significantly greater probability than the other,
then it may be better to rely on CPU's branch prediction and block
reordering, than putting rarely executed instructions into the pipeline.
In this patch we set 10% frequency ratio as a cutoff.
On SPEC2K INT with -O2 this
