From: Marc Glisse <marc.glisse@inria.fr>
To: "Hurugalawadi, Naveen" <Naveen.Hurugalawadi@caviumnetworks.com>
Cc: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH] Fix PR31096
Date: Thu, 31 Mar 2016 09:32:00 -0000 [thread overview]
Message-ID: <alpine.DEB.2.20.1603311120300.1831@laptop-mg.saclay.inria.fr> (raw)
In-Reply-To: <SN2PR0701MB102491E5EF1A9EE96C8619688E990@SN2PR0701MB1024.namprd07.prod.outlook.com>
On Thu, 31 Mar 2016, Hurugalawadi, Naveen wrote:
> Hi,
>
> Please find attached the patch that fixes the PR31096.
> Should the optimization be extended to addition and other
> operations as well?
>
> Please review the patch and let me know if its okay?
>
> Regression tested on X86_64.
>
> Thanks,
> Naveen
>
> 2016-03-31 Naveen H.S <Naveen.Hurugalawadi@caviumnetworks.com>
>
> * match.pd (cmp (mult:cs @0 @1) (mult:cs @2 @1)) : New Pattern.
>
> * gcc.dg/pr31096.c: New testcase.
Looks like you are turning x*-1 < y*-1 into x<y? That doesn't work...
--
Marc Glisse
next prev parent reply other threads:[~2016-03-31 9:22 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-31 9:19 Hurugalawadi, Naveen
2016-03-31 9:32 ` Marc Glisse [this message]
2016-04-05 9:09 ` Hurugalawadi, Naveen
2016-04-05 9:17 ` Marc Glisse
2016-04-07 11:04 ` Hurugalawadi, Naveen
2016-04-07 11:28 ` Marc Glisse
2016-04-12 8:25 ` Hurugalawadi, Naveen
2016-04-12 9:33 ` Marc Glisse
2016-04-14 6:46 ` Hurugalawadi, Naveen
2016-04-15 16:25 ` Marc Glisse
2016-07-13 20:35 ` Jeff Law
2016-11-11 10:20 ` Hurugalawadi, Naveen
2016-11-23 9:56 ` Richard Biener
2016-03-31 9:35 ` Ramana Radhakrishnan
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