Where is there documentation on how to write inline asm?

[pineapple]

On Thursday, 15 November 2018 at 21:00:10 UTC, Adam D. Ruppe 
wrote:
> It would be part of the abi:
> https://dlang.org/spec/abi.html#function_calling_conventions
>
> though it references C so you might need to look that up too.

That's helpful, thank you!

> For other sized structs and static arrays, the return value is 
> stored through a hidden pointer passed as an argument to the 
> function.

Is there a way to access this pointer?

Also, the calling convention documentation there doesn't mention 
anything about 64-bit targets, are 64-bit registers just not used?