dmd Arm64 - first function compile!

[Walter Bright]

On 6/2/2024 8:34 AM, max haughton wrote:
> Warning: Arm64 doesn't really exist other than as an informal name / thing apple 
> use sometimes, aarch64 is the name you'll find in the manual, with A64 being the 
> name of the instruction in particular (apparently, not really sure how the 
> versioning works there)

Yeah, I did notice that there were several different monikers for the Arm64, and 
no clear explanation of which is preferred for what.

It continues the tradition of the equally confusing nomenclature of the the x86.