[openbeos] Re: app_server: MMX/SSE help wanted

  • From: Kian Duffy <myob87@xxxxxxxxx>
  • To: openbeos@xxxxxxxxxxxxx
  • Date: Sun, 8 Aug 2004 18:00:18 +0100

> > even though AMD now also implements SSE(and
> > badly, which is why R5 crashes on AthlonXPs, since the cpu fakes an intel
> > chip and BeOS treats it as such)).
> 
> The XP certainly doesn't fake any kind of Intel CPU; the CPU identification
> in BeOS is broken, badly. It's no small feat to identify a CPU as Intel
> which returns a vendor ID of "AuthenticAMD". :)

Well, if it was a true clone of Intel's SSE, it wouldn't crash BeOS.
It is a bad clone of it, hence the crash

And hence the problems with the MMX optomised version of the Windows
95 game "POD" on AMD systems.

Kian

Other related posts: