From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Laurent Vivier <Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH 4/4] Let gcc to choose which registers to save (vmx-i386)
Date: Fri, 26 Oct 2007 15:50:52 +0200 [thread overview]
Message-ID: <4721F0BC.4080707@qumranet.com> (raw)
In-Reply-To: <11933147351206-git-send-email-Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
Laurent Vivier wrote:
> This patch lets GCC to determine which registers to save when we
> switch to/from a VCPU in the case of intel i386.
>
>
>>>> I don't know if its patch is really usefull as it replaces <<<
>>>> a popa/pusha by several pop/push. <<<
>>>>
In general this is useful. pusha/popa are not heavily used and are thus
less optimized than push/pop.
--
error compiling committee.c: too many arguments to function
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next prev parent reply other threads:[~2007-10-26 13:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-25 12:18 [PATCH 0/4] Let gcc to choose which registers to save Laurent Vivier
[not found] ` <11933147352304-git-send-email-Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
2007-10-25 12:18 ` [PATCH 1/4] Let gcc to choose which registers to save (vmx-x86_64) Laurent Vivier
[not found] ` <11933147352093-git-send-email-Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
2007-10-25 12:18 ` [PATCH 2/4] Let gcc to choose which registers to save (svm-x86_64) Laurent Vivier
[not found] ` <1193314735566-git-send-email-Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
2007-10-25 12:18 ` [PATCH 3/4] Let gcc to choose which registers to save (svm-i386) Laurent Vivier
[not found] ` <1193314735642-git-send-email-Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
2007-10-25 12:18 ` [PATCH 4/4] Let gcc to choose which registers to save (vmx-i386) Laurent Vivier
[not found] ` <11933147351206-git-send-email-Laurent.Vivier-6ktuUTfB/bM@public.gmane.org>
2007-10-26 13:50 ` Avi Kivity [this message]
2007-10-26 13:49 ` [PATCH 0/4] Let gcc to choose which registers to save Avi Kivity
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