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[Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
- From: "law at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 23 Jun 2011 20:30:01 +0000
- Subject: [Bug middle-end/49465] [4.7 Regression] Revision 175114 miscompiled 403.gcc in SPEC CPU 2006
- Auto-submitted: auto-generated
- References: <bug-49465-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49465
--- Comment #6 from Jeffrey A. Law <law at gcc dot gnu.org> 2011-06-23 20:26:10 UTC ---
Author: law
Date: Thu Jun 23 20:26:07 2011
New Revision: 175351
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175351
Log:
PR middle-end/49465
* tree-ssa-threadupate.c (fix_duplicate_block_edges): Fix condition
to detect threading through joiner block. If there was already
an edge to the new target, then do not change the PHI nodes.
*************** fix_duplicate_block_edges (struct redire
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-threadupdate.c