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[fortran,patch] Support for IEEE underflow control on x86/x86_64

From: FX <fxcoudert at gmail dot com>
To: Fortran List <fortran at gcc dot gnu dot org>
Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>, Uros Bizjak <ubizjak at gmail dot com>
Date: Thu, 3 Jul 2014 11:06:32 +0200
Subject: [fortran,patch] Support for IEEE underflow control on x86/x86_64
Authentication-results: sourceware.org; auth=none

Hi all,

The attached patch provides support for underflow control in the IEEE_ARITHMETIC module, for x86/x86_64 targets (our main user base).
Bootstrapped and regtested on x86_64-apple-darwin13. Comes with a testcase.

OK to commit?

FX

Attachment: underflow.ChangeLog
Description: Binary data

Attachment: underflow.diff
Description: Binary data

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  - From: Uros Bizjak
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