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Re: [Qemu-devel] [PATCH 14/17] s390x: Implement opcode helpers

From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 14/17] s390x: Implement opcode helpers
Date: Mon, 28 Mar 2011 10:42:12 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110307 Fedora/3.1.9-0.39.b3pre.fc14 Thunderbird/3.1.9

On 03/28/2011 10:23 AM, Alexander Graf wrote:
> I just checked the macros there and it looks like
> float32_compare_quiet returns eq when both numbers are NaN.

No it doesn't -- a == b will never be true for either operand as NaN.

Have a look at the "real" softfloat version anyway, not the
softfloat-native version.  This is hiding behind macros; 
look for "float ## s ## _compare_internal".


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