[Bug tree-optimization/40436] [4.5 regression] 0.5% code size regression caused by r147852

hubicka at ucw dot cz gcc-bugzilla@gcc.gnu.org
Tue Apr 6 10:46:00 GMT 2010



------- Comment #29 from hubicka at ucw dot cz  2010-04-06 10:46 -------
Subject: Re:  [4.5 regression] 0.5% code size
        regression caused by r147852

> I don't think we should fix the double-accounting bug for the 4.5 series,
> when we tried it on SPEC it caused several regression, meaning we would need
> much more fine-tuning.  We have time for that for 4.6.

Well, we need to compensate for overall unit growth then, I will do so at
pretty-ipa so it will get some testing and see how much trouble it causes.
I am fine with this not being fixed in 4.5.x as long as we won't run into
real world testcase where double counting causes explosion of unit size.

Honza


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40436



More information about the Gcc-bugs mailing list