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[Bug target/43698] [4.5/4.6 Regression] Wrong use of ARMv6 REV instruction for endian bytewapping with -Os or -O2 optimizations
- From: "ramana at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jul 2010 22:36:06 -0000
- Subject: [Bug target/43698] [4.5/4.6 Regression] Wrong use of ARMv6 REV instruction for endian bytewapping with -Os or -O2 optimizations
- References: <bug-43698-14457@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #17 from ramana at gcc dot gnu dot org 2010-07-30 22:36 -------
Subject: Bug 43698
Author: ramana
Date: Fri Jul 30 22:35:40 2010
New Revision: 162725
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162725
Log:
Backport fix for PR target/43698.
2010-07-30 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Backport from mainline.
2010-07-22 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/43698
* config/arm/arm.md: Split arm_rev into *arm_rev and *thumb1_rev.
Set *arm_rev to be predicable.
2010-07-30 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Backport from mainline
2010-07-22 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/43698
* gcc.target/arm/pr43698.c: New test.
Added:
branches/gcc-4_5-branch/gcc/testsuite/gcc.target/arm/pr43698.c
- copied unchanged from r162404,
trunk/gcc/testsuite/gcc.target/arm/pr43698.c
Modified:
branches/gcc-4_5-branch/ (props changed)
branches/gcc-4_5-branch/gcc/ChangeLog
branches/gcc-4_5-branch/gcc/config/arm/arm.md
branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
Propchange: branches/gcc-4_5-branch/
('svn:mergeinfo' added)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43698