x86 intrinsics for sale cheap

[Cecil Ward]

I have been working on simple wrappers around new(ish) x86 
instructions that are not otherwise accessible. Also with 
replacement functions in straight D for machines where the 
instruction is not available. Currently only for GDC as LDC 
doesn’t support some of the features of GCC inline asm that I am 
relying on  - named parameters in the asm with %[name] syntax. 
But hopefully that will get fixed by the LDC maintainers, so I 
will be able to work with either compiler. My routines need more 
testing and a vast amount of cleanup. So it’s early days.

Is that something that you would be interested in for the D 
runtime library? (For GDC / LDC ?) I unfortunately haven’t 
attacked DMD yet because that uses a different inline asm syntax, 
and would mean a rewrite. But that isn’t a problem because thr 
DMD user gets the pure D replacement anyway due to conditional 
compilation.

If you are interested, then let me know. I do need help testing 
though and some advice about unit tests.