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

2019-02-06 Thread Alex Bennée
David Hildenbrand 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 eventu

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

2019-02-06 Thread Richard Henderson
On 2/6/19 9:10 AM, David Hildenbrand wrote: > 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 dr