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[Bug tree-optimization/36978] [4.4 Regression] ICE in gimple_cond_set_lhs for -O2 -funswitch-loops after tuples merge
- 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: 31 Jul 2008 14:13:57 -0000
- Subject: [Bug tree-optimization/36978] [4.4 Regression] ICE in gimple_cond_set_lhs for -O2 -funswitch-loops after tuples merge
- References: <bug-36978-4503@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from rguenth at gcc dot gnu dot org 2008-07-31 14:13 -------
Subject: Bug 36978
Author: rguenth
Date: Thu Jul 31 14:12:24 2008
New Revision: 138415
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=138415
Log:
2008-07-31 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36978
* tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
the generated condition.
* gcc.dg/torture/pr36978.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr36978.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-unswitch.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36978