Using an external Assembler with D

[Stefan Koch]

On Tuesday, 24 April 2018 at 21:02:07 UTC, solidstate1991 wrote:
> In order to make one of my own code more readable (and 
> hopefully to avoid a lot of compiling errors under LDC, which 
> don't happen in DMD for some reason), I'm planning to put my 
> assembly functions into separate files for each system that 
> needs them, mainly due to the lack of proper SIMD support, 
> mainly due to these functions are relatively easy to implement. 
> Here's a few questions of mine:
>
> - Can I return vectors in XMM registers and accept arguments as 
> vectors in them?
> - How much is the D ABI differs on DMD and LDC for x86? I'm 
> planning to support both (with mainly using DMD as a debug 
> compiler for its speed), and want the most universal solution 
> possible.

Pass stuff on the stack ;)
and use extern (C) functions.