Date: Fri, 19 Mar 2010 22:25:41 +0300 From: Dmitry Marakasov <amdmi3@amdmi3.ru> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: svn-src-head@freebsd.org, Xin LI <delphij@freebsd.org>, svn-src-all@freebsd.org, src-committers@freebsd.org, Matthew Jacob <mj@feral.com> Subject: Re: svn commit: r205307 - head/sys/i386/conf Message-ID: <20100319192541.GH48794@hades.panopticon> In-Reply-To: <20100319013623.GA62539@troutmask.apl.washington.edu> References: <201003190116.o2J1Gr2v094129@svn.freebsd.org> <4BA2D0DF.3070606@feral.com> <20100319013623.GA62539@troutmask.apl.washington.edu>
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* Steve Kargl (sgk@troutmask.apl.washington.edu) wrote: > Can you explain? AFAIK, SSE including floating point > instructions. Floating point operations aren't allowed > in the kernel. Afaik, there are also effecient memory copy/move/fill instructions, that do not require floating point context. For example, movnti is used in sse2_pagezero(). -- Dmitry Marakasov . 55B5 0596 FF1E 8D84 5F56 9510 D35A 80DD F9D2 F77D amdmi3@amdmi3.ru ..: jabber: amdmi3@jabber.ru http://www.amdmi3.ru
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