Re: [Qemu-devel] [PATCH v2] softfloat: add float128_is_{normal, denormal}

[Alex Bennée]

David Hildenbrand <address@hidden> writes:

> Needed on s390x, to test for the data class of a number. So it will
> gain soon a user.
>
> A number is considered normal if the exponent is neither 0 nor all 1's.
> That can be checked by adding 1 to the exponent, and comparing against
>>= 2 after dropping an eventual overflow into the sign bit.
>
> While at it, convert the other floatXX_is_normal functions to use a
> similar, less error prone calculation, as suggested by Richard H.

Queued to fpu/next, thanks.

--
Alex Bennée