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[Bug tree-optimization/35833] [4.3 Regression] Wrong code generated with -ftree-vrp
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Apr 2008 18:01:59 -0000
- Subject: [Bug tree-optimization/35833] [4.3 Regression] Wrong code generated with -ftree-vrp
- References: <bug-35833-10135@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from rguenth at gcc dot gnu dot org 2008-04-05 18:01 -------
Subject: Bug 35833
Author: rguenth
Date: Sat Apr 5 18:01:14 2008
New Revision: 133940
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133940
Log:
2008-04-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/35833
* tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
results from fold_binary_to_constant.
(compare_values_warnv): Likewise.
* gcc.dg/torture/pr35833.c: New testcase.
Added:
branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/torture/pr35833.c
Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
branches/gcc-4_3-branch/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35833