Date: Wed, 7 Jun 1995 20:31:14 -0700 (PDT) From: Poul-Henning Kamp <phk@ref.tfs.com> To: terry@cs.weber.edu (Terry Lambert) Cc: uhclem%nemesis@fw.ast.com, jgreco@brasil.moneng.mei.com, hackers@FreeBSD.org, bugs@FreeBSD.org Subject: Re: 2.0.5-A: Very disheartening? Message-ID: <199506080331.UAA05773@ref.tfs.com> In-Reply-To: <9506080316.AA17275@cs.weber.edu> from "Terry Lambert" at Jun 7, 95 09:16:43 pm
next in thread | previous in thread | raw e-mail | index | archive | help
> > > Not necessarily true. Try adding (peeks at his Undocumented PC) 32 NOP's > > > before the jump and see if the problem goes away. > > It's a far jump... > > Try it to humor me? Have anything else to try that you are more confident Terry, you may be unfamiliar with x86 terminology. All I tried to say was that the transfer to the uncompressed code was a "far jump" which until now has always flushed the prefetch. You only need to bother with the prefetch queue if you modify instructions in you close neighborhood. -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. Just that: dried leaves in boiling water ?
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199506080331.UAA05773>