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From: Richard Sandiford <richard.sandiford@arm.com>
To: Marc Glisse <marc.glisse@inria.fr>
Mail-Followup-To: Marc Glisse <marc.glisse@inria.fr>,"gcc-patches\@gcc.gnu.org" <gcc-patches@gcc.gnu.org>, richard.sandiford@arm.com
Cc: "gcc-patches\@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: Re: Move sqrt and cbrt simplifications to match.pd
References: <87k2r1bb0p.fsf@e105548-lin.cambridge.arm.com>	<alpine.DEB.2.20.1510061058140.1720@laptop-mg.saclay.inria.fr>
Date: Thu, 08 Oct 2015 16:55:00 -0000
In-Reply-To: <alpine.DEB.2.20.1510061058140.1720@laptop-mg.saclay.inria.fr>	(Marc Glisse's message of "Tue, 6 Oct 2015 09:59:28 +0100")
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Marc Glisse <marc.glisse@inria.fr> writes:
> On Mon, 5 Oct 2015, Richard Sandiford wrote:
>
>> +  /* cbrt(sqrt(x)) -> pow(x,1/6).  */
>> +  (simplify
>> +   (sqrts (cbrts @0))
>> +   (pows @0 { build_real_truncate (type, dconst<1, 6> ()); }))
>> +  /* sqrt(cbrt(x)) -> pow(x,1/6).  */
>> +  (simplify
>> +   (cbrts (sqrts @0))
>> +   (pows @0 { build_real_truncate (type, dconst<1, 6> ()); }))
>
> I think you swapped the comments (not that it matters).

Thanks, fixed in the committed version.

Richard