Re: Intermediate step for new arch for lc040 compatibility

Nat Sloss <[email protected]> Sun, 4 May 2025 00:44:41 +1000
Newsgroups gmane.os.netbsd.ports.m68k
Message-ID <[email protected]>
On Tue, 29 Apr 2025 11:10:28 Jason Thorpe wrote:
> > On Apr 28, 2025, at 4:05 PM, John Klos <[email protected]> wrote:
> > 
> > Hi,
> > 
> >> This is an intermediate step for a new arch where the flag can be set
> >> (say m68klc).
> > 
> > Just curious:
> > 
> > How much of a performance impact is there from adding NOPs before
> > floating point instructions on systems with FPUs? Have you / has anyone
> > measured this?
> > 
> > I've wondered about a binary patcher, or at least a patcher that patches
> > on binary load in to memory, like CyberPatcher / OxyPatcher for emulated
> > instructions on '040 / '060 Amigas...
> 
> It also seems like this would be a good candidate for having ld.elf_so load
> a different flavor of the library based on the FPU/CPU combo.

+1

> 
> -- thorpej

Best regards,

Nat