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Date: Tue, 11 Aug 2015 12:50:00 -0000
Message-ID: <CAFiYyc19s1KO4pjUPeZ+wvhGCYd-Ar=iTMyZkGHJKcNFOdx7=w@mail.gmail.com>
Subject: Re: [PR25529] Convert (unsigned t * 2)/2 into unsigned (t & 0x7FFFFFFF)
From: Richard Biener <richard.guenther@gmail.com>
To: "Hurugalawadi, Naveen" <Naveen.Hurugalawadi@caviumnetworks.com>
Cc: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
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On Fri, Aug 7, 2015 at 10:43 AM, Hurugalawadi, Naveen
<Naveen.Hurugalawadi@caviumnetworks.com> wrote:
> Hi,
>
>>> extend it - it should also work for non-INTEGER_CST
>>> divisors and it should work for any kind of division, not just exact_div.
>
> Please find attached the patch "pr25529.patch" that implements the pattern
> for all divisors
>
> Please review and let me know if its okay.

Ok.

Thanks,
Richard.

> Regression tested on AARH64 and x86_64.
>
> Thanks,
> Naveen
>
> 2015-08-07  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>
>
> PR middle-end/25529
>
>         gcc/ChangeLog:
>         * match.pd (div (mult @0 @1) @1) : New simplifier.
>