Using YMM registers causes an undefined label error

[Imperatorn]

On Saturday, 6 March 2021 at 10:45:08 UTC, Rumbu wrote:
> On Friday, 5 March 2021 at 21:47:49 UTC, z wrote:
>> [...]
>
>
> I just made some tests, it seems that D has invented his own 
> calling convention. And it's not documented. If you decorate 
> your function with extern(C) it should respect the x86-64 ABI 
> conventions. This is what I got for a 7 parameters function. 
> The two compilers seems to do the same thing:
>
> [...]

What... Is this really how it's supposed to be? Makes no sense to 
not use any of the existing conventions.