[Bug tree-optimization/15524] [4.0 Regression] jump threading on trees is slow with switch statements with large # of cases

ebotcazou at libertysurf dot fr gcc-bugzilla@gcc.gnu.org
Sun Nov 21 07:13:00 GMT 2004


------- Additional Comments From ebotcazou at libertysurf dot fr  2004-11-21 07:12 -------
Subject: Re:  [4.0 Regression] jump threading on trees is slow with switch statements with large # of cases

> I haven't seen the comparison failure on i686 -- if I had I never
> would have checked in the patch.  PPC is the only other kind of box
> I have here locally.

Right, the problem seems to be very sensitive to the environment.  H.J. saw it 
on AMD64 while I didn't.



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15524



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