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[Bug rtl-optimization/43360] [4.3/4.4/4.5 Regression] wrong loop invariant hoisting
- From: "hjl at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 18 Mar 2010 13:13:57 -0000
- Subject: [Bug rtl-optimization/43360] [4.3/4.4/4.5 Regression] wrong loop invariant hoisting
- References: <bug-43360-12544@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #16 from hjl at gcc dot gnu dot org 2010-03-18 13:13 -------
Subject: Bug 43360
Author: hjl
Date: Thu Mar 18 13:13:42 2010
New Revision: 157540
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157540
Log:
Remove the REG_EQUAL note if we don't know its invariant status.
gcc/
2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline:
2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/43360
* loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
note if we don't know its invariant status.
gcc/testsuite/
2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline:
2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/43360
* gcc.dg/torture/pr43360.c: New.
Added:
branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/torture/pr43360.c
- copied unchanged from r157539,
trunk/gcc/testsuite/gcc.dg/torture/pr43360.c
Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/loop-invariant.c
branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43360