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From: Richard Henderson <rth@twiddle.net>
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Date: Tue, 8 Mar 2016 09:42:46 -0500
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Subject: Re: [Qemu-devel] [PATCH 6/7] target-tricore: Add cmp.f instruction
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To: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, qemu-devel@nongnu.org

On 03/08/2016 05:20 AM, Bastian Koppelmann wrote:
> On 03/01/2016 07:21 PM, Richard Henderson wrote:
>> On 03/01/2016 08:24 AM, Bastian Koppelmann wrote:
>>> +
>>> +    lt = float32_lt_quiet(arg1, arg2, &env->fp_status);
>>> +    eq = float32_eq_quiet(arg1, arg2, &env->fp_status);
>>> +    uo = float32_unordered(arg1, arg2, &env->fp_status);
>>
>> Do it in one step with float32_compare.
>> You don't want _quiet; see below re psw_flags.
>>
> Unfortunately, if I don't use _quiet my tests fail against real hardware...

Fail in what way?  I don't think _quiet computes all of the bits you need.


r~