When will you implement cent and ucent?

[deadalnix]

On Thursday, 31 March 2022 at 06:31:32 UTC, Walter Bright wrote:
> You see a similar thing when 32 bit compilation does 64 bit 
> arithmetic:
>
> [...]
>
> So, yeah, supporting 128 bit arithmetic in the codegen has 
> significant advantages. 3 multiplies and 2 adds.
>
> Having the compiler recognize the `mul` function as a builtin 
> would enable this code gen for 128 bits.

So now that you just killed the library solution by having the 
compiler specially recognize it, can we have cent/ucent?

Honestly, I don't care if DMD forward the operation to something 
in druntime, that would at least allow me to have good codegen on 
LDC/GDC.