From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17801 invoked by alias); 28 Apr 2002 12:36:00 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 17780 invoked by uid 71); 28 Apr 2002 12:36:00 -0000 Resent-Date: 28 Apr 2002 12:36:00 -0000 Resent-Message-ID: <20020428123600.17779.qmail@sources.redhat.com> Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer) Resent-To: nobody@gcc.gnu.org Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org Resent-Reply-To: gcc-gnats@gcc.gnu.org, davem@redhat.com Received:(qmail 16716 invoked by uid 61); 28 Apr 2002 12:31:12 -0000 Message-Id:<20020428123112.16715.qmail@sources.redhat.com> Date: Sun, 28 Apr 2002 05:36:00 -0000 From: davem@redhat.com Reply-To: davem@redhat.com To: gcc-gnats@gcc.gnu.org X-Send-Pr-Version:gnatsweb-2.9.3 (1.1.1.1.2.31) Subject: target/6500: Sparc.md's prefetch is buggy X-SW-Source: 2002-04/txt/msg01551.txt.bz2 List-Id: >Number: 6500 >Category: target >Synopsis: Sparc.md's prefetch is buggy >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Sun Apr 28 05:36:00 PDT 2002 >Closed-Date: >Last-Modified: >Originator: davem@redhat.com >Release: GCC cvs 3.1 >Organization: >Environment: sparc*-* >Description: The prefetch instruction case used in sparc.md for locality==3 is wrong, prefetch page does something totally different from the other prefetch types. It prefetches TLB translations, it doesn't bring any data into the data caches of the processor. >How-To-Repeat: >Fix: Change locality==3 case in sparc.md's prefetch instruction to use prefetch function 0 for reads and 2 for writes. >Release-Note: >Audit-Trail: >Unformatted: