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[Bug rtl-optimization/49390] [4.6/4.7 Regression] GCSE miscompilation
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 14 Jun 2011 15:00:59 +0000
- Subject: [Bug rtl-optimization/49390] [4.6/4.7 Regression] GCSE miscompilation
- Auto-submitted: auto-generated
- References: <bug-49390-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49390
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-14 14:59:55 UTC ---
Author: jakub
Date: Tue Jun 14 14:59:52 2011
New Revision: 175023
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175023
Log:
PR rtl-optimization/49390
Revert:
2010-06-29 Bernd Schmidt <bernds@codesourcery.com>
* cse.c (exp_equiv_p): For MEMs, if for_gcse, only compare
MEM_ALIAS_SET.
* gcc.c-torture/execute/pr49390.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr49390.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cse.c
trunk/gcc/testsuite/ChangeLog