[Bug tree-optimization/34099] [4.3 Regression] optimizer problem
rguenth at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Mon Nov 19 12:53:00 GMT 2007
------- Comment #17 from rguenth at gcc dot gnu dot org 2007-11-19 12:53 -------
Subject: Bug 34099
Author: rguenth
Date: Mon Nov 19 12:52:58 2007
New Revision: 130290
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130290
Log:
2007-11-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34099
* tree-ssa-ccp.c (likely_value): Exclude all but PLUS_EXPR,
MINUS_EXPR and POINTER_PLUS_EXPR from handling as UNDEFINED
if only one operand is undefined.
* gcc.c-torture/execute/pr34099-2.c: New testcase.
Modified:
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34099
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