On Tue, Dec 27, 2011 at 11:44 AM, Jan Hubicka wrote:
> Hi
> this patch solves problem with negative frequency that is result of overflow
> in profile updating code. The testcase shows quite pathological case where
> profile is misguessed and the mistake is propagated across the CFG by jump
> thre
Hi
this patch solves problem with negative frequency that is result of overflow
in profile updating code. The testcase shows quite pathological case where
profile is misguessed and the mistake is propagated across the CFG by jump
threading. I can't of think of much better solution than adding a c