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Re: [Qemu-devel] [PATCH 15/19] Add VSX xmax/xmin Instructions


From: Tom Musta
Subject: Re: [Qemu-devel] [PATCH 15/19] Add VSX xmax/xmin Instructions
Date: Fri, 25 Oct 2013 08:52:00 -0500
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.0.1

On 10/24/2013 5:10 PM, Peter Maydell wrote:
Can't you use the min and max softfloat functions? Those are
there specifically because the corner cases mean you can't
implement them using the comparisons. (For instance for
the example you quote of max(-0.0, +0.0) they return +0.0
as you require.)

I tried this but didn't have much luck getting results to match
the P7 hardware.  Unfortunately, I don't recall the details.
Let me try this approach again.






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