http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57343
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.9.0
Target Milestone|4.8.1 |4.8.2
Summary|[4.8/4.9 Regression] wrong |[4.8 Regression] wrong code
|code on x86_64-linux at -Os |on x86_64-linux at -Os and
|and above |above
Known to fail| |4.8.1
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon May 27 13:02:24 2013
New Revision: 199357
URL: http://gcc.gnu.org/viewcvs?rev=199357&root=gcc&view=rev
Log:
2013-05-27 Richard Biener <rguent...@suse.de>
PR tree-optimization/57343
* tree-ssa-loop-niter.c (number_of_iterations_ne_max): Do not
use multiple_of_p if not TYPE_OVERFLOW_UNDEFINED.
(number_of_iterations_cond): Do not build the folded tree.
* gcc.dg/torture/pr57343.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr57343.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-niter.c
