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List: gcc-bugs
Subject: [Bug tree-optimization/14847] [tree-ssa] combine "if (a & 1) goto there" and "if (a & 4) goto there"
From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla () gcc ! gnu ! org>
Date: 2008-04-30 15:07:05
Message-ID: 20080430150705.16996.qmail () sourceware ! org
[Download RAW message or body]
------- Comment #6 from rguenth at gcc dot gnu dot org 2008-04-30 15:07 -------
Subject: Bug 14847
Author: rguenth
Date: Wed Apr 30 15:06:16 2008
New Revision: 134825
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=134825
Log:
2008-04-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/14847
* tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
(recognize_bits_test): Use it.
(recognize_single_bit_test): Likewise.
* gcc.dg/tree-ssa/ssa-ifcombine-6.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-ifcombine-6.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ifcombine.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14847
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