https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
Richard Biener changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
--- Comment #11 from amker at gcc dot gnu.org ---
Backport to gcc-7-branch with test cases slightly adjusted.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
--- Comment #10 from amker at gcc dot gnu.org ---
Author: amker
Date: Tue Jul 25 08:56:26 2017
New Revision: 250497
URL: https://gcc.gnu.org/viewcvs?rev=250497=gcc=rev
Log:
Backport from 2017-07-20 trunk r250384.
PR
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
--- Comment #9 from amker at gcc dot gnu.org ---
Author: amker
Date: Thu Jul 20 12:02:19 2017
New Revision: 250384
URL: https://gcc.gnu.org/viewcvs?rev=250384=gcc=rev
Log:
PR tree-optimization/81388
Revert r238585:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
--- Comment #8 from amker at gcc dot gnu.org ---
My change @r238585 assumed that "pointer + 2 < pointer" must be folded before
calling to number_of_iterations_lt_to_ne. This is not true when pointer_plus
can overflow. I will look for either fix
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
amker at gcc dot gnu.org changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org |amker at gcc dot
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
Richard Biener changed:
What|Removed |Added
Priority|P3 |P2
Status|UNCONFIRMED
