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Re: [Qemu-devel] Re: [PATCH 01/12] TCG "sync" op

From: malc
Subject: Re: [Qemu-devel] Re: [PATCH 01/12] TCG "sync" op
Date: Fri, 23 Oct 2009 01:27:37 +0400 (MSD)

On Thu, 22 Oct 2009, Aurelien Jarno wrote:

> On Wed, Oct 21, 2009 at 03:52:22PM +0200, Ulrich Hecht wrote:
> > sync allows concurrent accesses to locations in memory through different TCG
> > variables. This comes in handy when you are emulating CPU registers that can
> > be used as either 32 or 64 bit, as TCG doesn't know anything about aliases.
> > See the s390x target for an example.
> > 
> > Fixed sync_i64 build failure on 32-bit targets.
> Looking more in details to the use case of this patch, I think it can be
> useful in QEMU. However I don't feel very comfortable in merging it
> without having the opinion of more persons. Paul, Malc Blue Swirl or
> others, any opinion?

I don't really understand the problem/solution so no - no opinion.



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