[Bug tree-optimization/41783] r151561 (PRE fix) regresses zeusmp

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2009-10-21 15:16 -------
Which all is likely due to the fact that PHI translation does not properly
value-number translated loads and thus we create extra full redundancies
sometimes (usually resulting in extra PHI nodes, but here extra loads).

Micha, you once had a patch to "fix" this issue, right?


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41783