From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cpout1.tiscali.be (cpout1.tiscali.be [62.235.13.193]) by dsl2.external.hp.com (Postfix) with ESMTP id 7EE124871 for ; Tue, 19 Aug 2003 06:33:07 -0600 (MDT) Date: Tue, 19 Aug 2003 14:33:04 +0200 Message-ID: <3F2E54A800001F32@ocpmta8.freegates.net> From: "Joel Soete" Subject: [parisc-linux] itlb miss handler optimizations! To: parisc-linux@lists.parisc-linux.org Cc: "Matthew Wilcox" MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: >On Thu, Aug 14, 2003 at 08:02:04AM +0200, Joel Soete wrote: >> btw is it for that reason (interlock) that in your patch we can read: >> [...] >> cmpb,= %r0,t0,itlb_miss_... >> nop >> [...] >> I am alway asking why the 'nop'. > >To fill the delayed branch slot (a silly idea, but ...) Would it be the same 'by setting the "nullify" bit' (ie cmpb,=,n ...) Joel ------------------------------------------------------------------------- Tiscali ADSL, seulement 35 eur/mois et le modem est inclus...abonnez-vous! http://reg.tiscali.be/default.asp?lg=fr