Disable iteration in early inliner

Jan Hubicka hubicka@ucw.cz
Wed Jan 23 13:15:00 GMT 2013


> On Wed, Jan 23, 2013 at 11:18:31AM +0100, Jan Hubicka wrote:
> > Bootstrapped/regtested x86_64-linux, compensated the 3 testcases in tesuite testing
> > the feature to both test the feature with parameter increased and thest that the
> > optimization happens anyway at IPA level by default.
> 
> Not objecting to the patch, just wondering, if the fix is only about
> changing a default of a param, won't the PR55797 testcase still ICE
> if (to the -O -fno-guess-branch-probability -fno-tree-forwprop --param=early-inlining-insns=176
> options) one also adds --param=max-early-inliner-iterations=2 ?
> With --param=max-early-inliner-iterations=1 it indeed no longer ICEs.

It is not meant to be complette fix for PR55797, only the code quality issue Richi observed while
debugging it.  I am looking into the ICE now, too.  

Honza



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