[Bug tree-optimization/60172] ARM performance regression from trunk@207239

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Feb 14 12:19:00 GMT 2014


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60172

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Joey Ye from comment #4)
> -fdisable-tree-forwprop4 doesn't help. -fno-tree-ter makes it even worse.

The former is strange because it's the only pass that does sth that is
changed by the patch?  As said, make sure to include the fix for PR59993
in your testing.

Does -fno-tree-forwprop fix the regression?



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