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[Bug rtl-optimization/53352] Incorrect CSE optimization on RTL expressions with a paradoxical subreg
- From: "rsandifo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 18 May 2012 09:04:47 +0000
- Subject: [Bug rtl-optimization/53352] Incorrect CSE optimization on RTL expressions with a paradoxical subreg
- Auto-submitted: auto-generated
- References: <bug-53352-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53352
--- Comment #9 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 2012-05-18 09:04:47 UTC ---
Author: rsandifo
Date: Fri May 18 09:04:38 2012
New Revision: 187648
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187648
Log:
gcc/
2012-05-15 Meador Inge <meadori@codesourcery.com>
PR rtl-optimization/53352
* cse.c (equiv_constant): Ignore paradoxical subregs.
gcc/testsuite/
2012-05-15 Meador Inge <meadori@codesourcery.com>
PR rtl-optimization/53352
* gcc.dg/pr53352.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr53352.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cse.c
trunk/gcc/testsuite/ChangeLog