From: Marc Glisse <marc.glisse@inria.fr>
To: Nathan Froyd <froydnj@mozilla.com>
Cc: Richard Guenther <richard.guenther@gmail.com>, gcc-patches@gcc.gnu.org
Subject: Re: ORDERED_EXPR in invert_tree_comparison
Date: Thu, 02 Aug 2012 15:20:00 -0000 [thread overview]
Message-ID: <alpine.DEB.2.02.1208021717180.1769@stedding.saclay.inria.fr> (raw)
In-Reply-To: <20120802135351.GD14463@cerebro.indy.rr.com>
On Thu, 2 Aug 2012, Nathan Froyd wrote:
> On Thu, Aug 02, 2012 at 02:48:08PM +0200, Marc Glisse wrote:
>> I am redoing the bootstrap+regtest, then I'll commit if I don't hear
>> protests about the testcase.
>>
>> gcc/ChangeLog
>> 2012-06-15 Marc Glisse <marc.glisse@inria.fr>
>>
>> PR tree-optimization/53805
>> * fold-const.c (invert_tree_comparison): Do invert ORDERED_EXPR and
>> UNORDERED_EXPR for floating point.
>
> Minor protest about the ChangeLog: I think you mean "Do _not_ invert..."
No, I do mean do invert. The point of the patch is that even for floating
point and even with trapping-math, it is still safe to invert them.
Maybe I can reformulate as: "Invert ORDERED_EXPR and UNORDERED_EXPR even
for trapping floating point." ?
--
Marc Glisse
next prev parent reply other threads:[~2012-08-02 15:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-19 15:52 Marc Glisse
2012-08-01 19:21 ` Marc Glisse
2012-08-02 8:51 ` Richard Guenther
2012-08-02 12:48 ` Marc Glisse
2012-08-02 13:37 ` Richard Guenther
2012-08-02 13:56 ` Nathan Froyd
2012-08-02 15:20 ` Marc Glisse [this message]
2012-08-02 15:24 ` Nathan Froyd
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