https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65851
Richard Biener changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65851
--- Comment #7 from Richard Biener ---
Author: rguenth
Date: Tue Apr 28 07:26:41 2015
New Revision: 222510
URL: https://gcc.gnu.org/viewcvs?rev=222510&root=gcc&view=rev
Log:
2015-04-28 Richard Biener
PR tree-optimization/65851
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65851
Markus Trippelsdorf changed:
What|Removed |Added
CC||trippels at gcc dot gnu.org
--- Co
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65851
--- Comment #5 from Richard Biener ---
Ok, so it goes like
Visiting PHI node: f_12 = PHI <0B(2), f_8(5)>
Argument #0 (2 -> 6 executable)
0B Value: CONSTANT 0B
Argument #1 (5 -> 6 not executable)
PHI node value: CONSTA
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65851
--- Comment #4 from Martin Liška ---
Created attachment 35389
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35389&action=edit
reduced test case
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65851
--- Comment #3 from Richard Biener ---
We are transitioning from known-bits (likely alignment) to an invariant (thus
constant). Most of the cases this happens because of too weak UNDEFINED
handling.
I suppose we should finally punt in making tha
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65851
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65851
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
--- Comment #1