[m-rev.] diff: use global registers on aarch64

[Zoltan Somogyi]

2021-01-13 14:03 GMT+11:00 "Julien Fischer" <jfischer at opturion.com>:
> The diff below is sufficient to allow Mercury to bootcheck in grade
> reg.gc on my aarch64 Linux system. 

That's great.

BTW, how did you *get* an aarch64 linux system?

> configure.ac:
>      Compile with -fomit-frame-pointer on aarch64.  

I see no evidence of this in the diff to configure.ac.

> (Doing so, frees
>      up register x29.)

Nor do I see any reference to x29 in aarch64_regs.h.

Zoltan.