Re: m68k: cache fpu result

[Martin Husemann <martin%duskware.de@localhost>]

On Tue, Apr 08, 2025 at 10:15:19PM +1000, Nat Sloss wrote:
> I like to add the following patch which does two things:
> 
> 1) Add nop before fnop in fpu_probe() for buggy lc040 compatability

That will do no harm as it only runs once during initialization.

> 2) Caches the fpu result so the probe is only run once (in theory should make 
> the code a little faster)
> 
> http://ftp.netbsd.org/pub/NetBSD/misc/nat/m68k-fpu.c.diff

Isn't that function called exactly once during cpu initialization and the
result cached in "fputype"? So adding another cache is not needed.

Martin