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Re: [Qemu-devel] [PATCH v2 08/19] target-alpha: use new float64_unordere


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH v2 08/19] target-alpha: use new float64_unordered_quiet() function
Date: Thu, 14 Apr 2011 09:35:31 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110307 Fedora/3.1.9-0.39.b3pre.fc14 Thunderbird/3.1.9

On 04/13/2011 04:11 PM, Aurelien Jarno wrote:
> Use float64_unordered_quiet() in helper_cmptun() instead of doing the
> the comparison manually.
> 
> According to the "Alpha Compiler Writer's Guide", we should use the
> _quiet version here, as CMPTUN and CMPTEQ should generate InvalidOp
> for SNaNs but not for QNaNs.
> 
> Thanks to Peter Maydell <address@hidden> and Richard
> Henderson <address@hidden> for digging into the manuals.
> 
> Signed-off-by: Aurelien Jarno <address@hidden>

Acked-by: Richard Henderson  <address@hidden>



r~



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