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Re: [RFC 63/65] fpu: implement full set compare for fp16


From: Chih-Min Chao
Subject: Re: [RFC 63/65] fpu: implement full set compare for fp16
Date: Tue, 14 Jul 2020 17:29:37 +0800




On Fri, Jul 10, 2020 at 8:26 PM Alex Bennée <alex.bennee@linaro.org> wrote:

Alex Bennée <alex.bennee@linaro.org> writes:

> frank.chang@sifive.com writes:
>
>> From: Kito Cheng <kito.cheng@sifive.com>
>>
>> Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
>> Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
>> Signed-off-by: Frank Chang <frank.chang@sifive.com>
>
> NACK I'm afraid. What's wrong with the exiting float_compare support?
>
> Even if you did want to bring in aliases for these functions within
> softfloat itself the correct way would be to use the decomposed
> float_compare support for a bunch of stubs and not restore the old style
> error prone bit masking code.

In fact see the example float32_eq inline function in the softfloat.h header.

--
Alex Bennée

Hi Alex,

Thanks for the suggestion of using wrong and old implementation and this part will be refined in next separated softfloat PR.

Thanks
Chih-Min Chao

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