Re: Intermediate step for new arch for lc040 compatibility

Jason Thorpe <[email protected]> Mon, 28 Apr 2025 18:10:28 -0700
Newsgroups gmane.os.netbsd.ports.m68k
Message-ID <[email protected]>
> 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.

-- thorpej