linux-kernel - Re: [PATCH 0/4] Really lazy fpu

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Message-ID: <4C189CBF.1040701@redhat.com>
Date:	Wed, 16 Jun 2010 12:43:27 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Samuel Thibault <samuel.thibault@...-lyon.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Fr??d??ric Weisbecker <fweisbec@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Mike Galbraith <efault@....de>,
	"H. Peter Anvin" <hpa@...or.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] Really lazy fpu

On 06/16/2010 12:01 PM, Samuel Thibault wrote:
> Ingo Molnar, le Wed 16 Jun 2010 10:39:41 +0200, a écrit :
>    
>> in the long run most processes will be using the FPU due to SIMM
>> instructions.
>>      
> I believe glibc already uses SIMM instructions for e.g. memcpy and
> friends, i.e. basically all applications...
>    

I think they ought to be using 'rep movs' on newer processors, but yes 
you're right.

-- 
error compiling committee.c: too many arguments to function

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