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[Patch ARM] Fix PR target/63408

From: Ramana Radhakrishnan <ramana dot radhakrishnan at foss dot arm dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Wed, 24 Jun 2015 09:42:52 +0100
Subject: [Patch ARM] Fix PR target/63408
Authentication-results: sourceware.org; auth=none

Hi,

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 to trunk.

Will apply to 5 after regression testing there and 4.9 after it unfreezes.

Ramana




2015-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/63408
        * config/arm/arm.c (vfp3_const_double_for_fract_bits): Disable
        for negative numbers.

2015-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/63408
        * gcc.target/arm/pr63408.c: New test.

Attachment: fix-pr63408.txt
Description: Text document

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