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