[Bug tree-optimization/23346] [4.1 Regression] FRE before DCE makes a mess of loads or need to sink loads

pinskia at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Tue Aug 23 17:02:00 GMT 2005


------- Additional Comments From pinskia at gcc dot gnu dot org  2005-08-23 16:53 -------
(In reply to comment #2)
> I imagine FRE eliminates one a/b, which isn't really making a mess of loads.

It is eliminating the loads of a and b too but nothing (maybe it is the job of the ra), moves the loads 
back into the conditional branch.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23346



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