Subject: Re: NetBSD plays .wav ultra fast
To: Ignatios Souvatzis <>
From: Bill Sommerfeld <>
List: current-users
Date: 07/20/2001 16:40:32
The MMX registers (introduced in pentium mmx and pentium II) are
*architecturally defined* to overlap with the x87 floating point

With the Pentium III, Intel introduced *another* extension (SSE,
sometimes referred to as MMX2 or XMM), with new registers which do not
overlap; NetBSD does not yet save these registers.  This extension is
not MMX.

Intel subsequently extended SSE to SSE2 in the pentium 4.

						- Bill