https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63408

--- Comment #14 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> ---
Author: ramana
Date: Thu Jun 25 08:36:03 2015
New Revision: 224933

URL: https://gcc.gnu.org/viewcvs?rev=224933&root=gcc&view=rev
Log:
Fix PR target/63408

Backport fix for PR target/63408 from mainline

The attached patch fixes PR target/63408 and adds a regression test
for the same. The problem is essentially that
vfp3_const_double_for_fract_bits() needs to be aware that negative
values cannot be used in this context.

Tested with a bootstrap and regression test run on armhf. Applied.

2015-06-25  Ramana Radhakrishnan  <ramana.radhakrish...@arm.com>

        Backport from mainline.
        2015-06-24  Ramana Radhakrishnan  <ramana.radhakrish...@arm.com>
        PR target/63408
        * config/arm/arm.c (vfp3_const_double_for_fract_bits): Disable
        for negative numbers.

2015-06-25  Ramana Radhakrishnan  <ramana.radhakrish...@arm.com>

        Backport from mainline.
        2015-06-24  Ramana Radhakrishnan  <ramana.radhakrish...@arm.com>
        PR target/63408
        * gcc.target/arm/pr63408.c: New test.


Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.target/arm/pr63408.c
      - copied unchanged from r224879,
trunk/gcc/testsuite/gcc.target/arm/pr63408.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/config/arm/arm.c
    branches/gcc-5-branch/gcc/testsuite/ChangeLog

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