Date: Sun, 25 Jan 2004 12:00:27 +0100 From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=) To: Bruce Evans <bde@zeta.org.au> Cc: freebsd-current@freebsd.org Subject: Re: 80386 support in -current Message-ID: <xzpznccqoms.fsf@dwp.des.no> In-Reply-To: <20040125143203.G29442@gamplex.bde.org> (Bruce Evans's message of "Sun, 25 Jan 2004 17:28:31 %2B1100 (EST)") References: <20040124074052.GA12597@cirb503493.alcatel.com.au> <xzpptd9qsf0.fsf@dwp.des.no> <20040125143203.G29442@gamplex.bde.org>
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Bruce Evans <bde@zeta.org.au> writes: > This is the specious reason. The synchronization code relies on a > particular instruction that might be very inefficient to emulate on a > 386, but emulation is not done; the instruction is just replaced by > an instruction or sequence of instructions that is slower in some cases > and faster in others (mostly slower, but not especially so, except > probably on P4's). that's actually what I meant by emulated... as for the rest, I bow to your superior knowledge. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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