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From: Paul Brook <paul@codesourcery.com>
Date: Mon, 26 Mar 2012 14:05:12 +0100
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Subject: Re: [Qemu-devel] [PATCH v2 0/6] ARM: AREG0 conversion
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: Blue Swirl <blauwirbel@gmail.com>, qemu-devel <qemu-devel@nongnu.org>

> On 24 March 2012 18:58, Blue Swirl <blauwirbel@gmail.com> wrote:
> > v2: fix patch 1, tweak patch 2 and rebase to master.
> > 
> > URL     git://repo.or.cz/qemu/blueswirl.git
> >        http://repo.or.cz/r/qemu/blueswirl.git
> > 
> > Blue Swirl (6):
> >  arm: move neon_tbl to neon_helper.c
> >  arm: move saturating arithmetic to helper.c
> >  arm: move other arithmetic to helper.c
> >  arm: move cpsr and banked register access to helper.c
> >  arm: move exception and wfi helpers to helper.c
> >  arm: move load and store helpers, switch to AREG0 free mode
> 
> The patches themselves look OK, but do we really want to take
> a 5% performance hit for this cleanup?

I have a similar concern.  I'd like to at least have some idea where this 
slowdown is coming from.

Paul