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Re: [Qemu-devel] [PULL 5/8] target-sparc: Use global registers for the r

From: Mark Cave-Ayland
Subject: Re: [Qemu-devel] [PULL 5/8] target-sparc: Use global registers for the register window
Date: Thu, 16 Jun 2016 22:53:13 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.8.0

On 16/06/16 21:26, Richard Henderson wrote:

> On 06/14/2016 02:52 PM, Mark Cave-Ayland wrote:
>> Following up the bug report at
>> https://bugs.launchpad.net/qemu/+bug/1588328, I bisected the regression
>> down to this particular commit. I can't see anything obvious here, so
>> perhaps this is exposing another bug somewhere else?
> Probably.  I'm downloading the solaris image now.
> r~

Thanks for taking a look - otherwise I won't be able to get to this
until next week. My thinking was that since the code makes access to
regwptr direct instead of copied into a temporary, something is
accidentally clobbering a destination register...



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