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Date: Tue, 25 Aug 2015 13:12:00 -0000
Message-ID: <CAFiYyc0Gr4gCrY2LVx9nMTNbLxe1wGpwhCYzYQPeKx2RZ23SvA@mail.gmail.com>
Subject: Re: Move remaining flag_unsafe_math_optimizations using simplify and match
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 Tue, Aug 25, 2015 at 5:29 AM, Hurugalawadi, Naveen
<Naveen.Hurugalawadi@caviumnetworks.com> wrote:
> Hi,
>
> Please find attached the remaining part of patch.
>
> Tested the patch on AArch64 and X86 without any regressions.
>
> Please review the patch and let me know if any modifications are required.

Ok.

Thanks,
Richard.

> Thanks,
> Naveen
>
> ChangeLog
>
> 2015-08-25  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>
>
>         * fold-const.c (fold_binary_loc) : Move Optimize
>         root(x)*root(y) as root(x*y) to match.pd.
>         Move Optimize expN(x)*expN(y) as expN(x+y) to match.pd.
>         Move Optimize pow(x,y)*pow(x,z) as pow(x,y+z) to match.pd.
>         Move Optimize a/root(b/c) into a*root(c/b) to match.pd.
>         Move Optimize x/expN(y) into x*expN(-y) to match.pd.
>
>         * match.pd (mult (root:s @0) (root:s @1)): New simplifier.
>         (mult (POW:s @0 @1) (POW:s @0 @2)) : New simplifier.
>         (mult (exps:s @0) (exps:s @1)) : New simplifier.
>         (rdiv @0 (root:s (rdiv:s @1 @2))) : New simplifier.
>         (rdiv @0 (exps:s @1)) : New simplifier.