Standard way to supply hints to branches

[Iain Buclaw]

On Friday, 23 August 2024 at 02:23:37 UTC, Nicholas Wilson wrote:
>
> GDC probably has something similar too.

https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html#index-_005f_005fbuiltin_005fexpect


Regarding DMD, I recall it being said that its code generator 
always treats the true branch as the "likely" code path taken. So 
if you have `if (cond) cold; else hot;`, invert the condition for 
the benefit of DMD.