80 bit floating point emulation

Sat Jul 9 11:00:31 UTC 2022

On Saturday, 9 July 2022 at 09:47:36 UTC, JG wrote:
> On Friday, 8 July 2022 at 22:04:38 UTC, Walter Bright wrote:
>> In order for DMD to become a proper cross compiler, it needs 
>> to be able to emulate 80 bit floating point. The full x87 
>> doesn't need to be emulated, just
>> add, sub, mul, div, cmp, neg, tst.
>>
>> [...]
>
> Thinking of spending a few hours later to get an idea of how 
> long it will take to do. Any specification to work from?

https://github.com/dlang/phobos/pull/8426/commits/60f5bfa45a4e14038d48d8489b9304923d463867?file-filters%5B%5D=.d&show-viewed-files=true#diff-ef198448dbb3bdace117f346640e1d06f0ada2a0867f995f31b6795a225eb9d7