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[Bug target/35258] two memcpy calls merged incorrectly with -O1
- From: "krebbel at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Feb 2008 15:08:04 -0000
- Subject: [Bug target/35258] two memcpy calls merged incorrectly with -O1
- References: <bug-35258-4503@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from krebbel at gcc dot gnu dot org 2008-02-25 15:08 -------
Subject: Bug 35258
Author: krebbel
Date: Mon Feb 25 15:07:17 2008
New Revision: 132628
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132628
Log:
2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
PR target/35258
* cse.c (cse_insn): Avoid creation of overlapping MEMs.
* alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
* alias.h (nonoverlapping_memrefs_p): Likewise.
2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
PR target/35258
* gcc.dg/pr35258.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr35258.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/alias.c
trunk/gcc/alias.h
trunk/gcc/cse.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35258