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

From: FX <fxcoudert at gmail dot com>
To: Uros Bizjak <ubizjak at gmail dot com>
Cc: Fortran List <fortran at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Wed, 9 Jul 2014 22:33:15 +0200
Subject: Re: [fortran,patch] Support for IEEE underflow control on x86/x86_64
Authentication-results: sourceware.org; auth=none
References: <184DE738-2E8A-4310-A1FB-8BF351C2F88A at gmail dot com> <AA558767-059A-414F-8374-DE8EDAA7284B at gmail dot com> <CAFULd4aDuscQ6Qx1o27_uLrbYd3SB7kt2h-yMSsxQgypZ05A0Q at mail dot gmail dot com> <CAFULd4aZ3PELx5_U-tYXVWVRM0HsRNPpO8Q-AWiORovrYdR31w at mail dot gmail dot com>

Updated patch, after Uros’ comments (except testing for != 0 in the testcase; I’d rather keep the existing > 0 test).

Bootstrapped and regtested on x86_64-apple-darwin13, tested by Uros on alpha.
Given that the patch is mostly x86 and alpha-specific, and Uros has approved it from that point of view, I’ve committed the patch as revision 212407.

FX

Attachment: underflow.diff
Description: Binary data

Attachment: underflow.ChangeLog
Description: Binary data

References:
- [fortran,patch] Support for IEEE underflow control on x86/x86_64
  - From: FX
- Re: [fortran,patch] Support for IEEE underflow control on x86/x86_64
  - From: FX
- Re: [fortran,patch] Support for IEEE underflow control on x86/x86_64
  - From: Uros Bizjak
- Re: [fortran,patch] Support for IEEE underflow control on x86/x86_64
  - From: Uros Bizjak

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