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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



------- 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


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