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r217712 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 18 Nov 2014 13:03:46 -0000
- Subject: r217712 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Tue Nov 18 13:03:46 2014
New Revision: 217712
URL: https://gcc.gnu.org/viewcvs?rev=217712&root=gcc&view=rev
Log:
2014-11-18 Richard Biener <rguenther@suse.de>
PR tree-optimization/63914
* tree-ssa-ccp.c (canonicalize_value): Remove float value
canonicalization.
(valid_lattice_transition): Allow (partial) transition
from NaN to non-NaN if !HONOR_NANS.
(set_lattice_value): Check for valid lattice transitions
only when checking is enabled.
* gcc.dg/pr63914.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr63914.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c