Date: Sun, 13 Jan 2013 17:52:52 -0500 From: Eitan Adler <lists@eitanadler.com> To: Peter Wemm <peter@wemm.org>, Adrian Chadd <adrian@freebsd.org>, freebsd-arch@freebsd.org Subject: Re: how long to keep support for gcc on x86? Message-ID: <CAF6rxgmimiyvD7_psK50T9GGg7KsfvhC5nFE_bd9Fa0N5B4hMQ@mail.gmail.com> In-Reply-To: <20130113224800.GS1410@funkthat.com> References: <20130112233147.GK1410@funkthat.com> <20130113014242.GA61609@troutmask.apl.washington.edu> <CAJ-VmomrSFXcZg%2BKj6C2ARhpmjB9hxZATYJyRZB7-eRrcBLprg@mail.gmail.com> <20130113053725.GL1410@funkthat.com> <CAJ-VmomGKayr-1VucfwgodhXEHrXxx8r=9crHZJf74iVKZyTmQ@mail.gmail.com> <20130113202952.GO1410@funkthat.com> <CAGE5yCpB8dHLn0TaW=r0Ov39owOQVi=X5FFw%2BuQ=qZ9zYi5anA@mail.gmail.com> <20130113224800.GS1410@funkthat.com>
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On 13 January 2013 17:48, John-Mark Gurney <jmg@funkthat.com> wrote: > I already have a gcc compatible version of an improved AES-NI for > amd64... The real question is, do I improve things further by using > intrinsics which means we can share code between amd64 and i386 and get > great performance from both, or do I simply make a seperate version > for i386 that is gcc compatible, but not as good performance... Maybe throw the "very improved" version into a comment that can be used later, when the compiler is not an issue? -- Eitan Adler
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