https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67242
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-08-17
Summary|Missing optimization with |Missing optimization with
|float |float IV in SCEV-CCP
Ever confirmed|0 |1
Known to fail| |5.2.0
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. This is SCEV-const-prop not handling floats (obviously). The trick
could be to handle this kind of DEFs of loop-closed PHI uses specially
(use the evolution of the source).
