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