From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20542 invoked by alias); 6 Mar 2003 15:36:00 -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 20518 invoked by uid 71); 6 Mar 2003 15:36:00 -0000 Resent-Date: 6 Mar 2003 15:36:00 -0000 Resent-Message-ID: <20030306153600.20517.qmail@sources.redhat.com> Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer) Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org Resent-Reply-To: gcc-gnats@gcc.gnu.org, jon@mast.queensu.ca Received: (qmail 19479 invoked by uid 48); 6 Mar 2003 15:32:34 -0000 Message-Id: <20030306153234.19478.qmail@sources.redhat.com> Date: Thu, 06 Mar 2003 15:36:00 -0000 From: jon@mast.queensu.ca Reply-To: jon@mast.queensu.ca To: gcc-gnats@gcc.gnu.org X-Send-Pr-Version: gnatsweb-2.9.3 (1.1.1.1.2.31) Subject: inline-asm/9981: attempt to read 64 bit pentium timestamp failure X-SW-Source: 2003-03/txt/msg00258.txt.bz2 List-Id: >Number: 9981 >Category: inline-asm >Synopsis: attempt to read 64 bit pentium timestamp failure >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Thu Mar 06 15:36:00 UTC 2003 >Closed-Date: >Last-Modified: >Originator: jon@mast.queensu.ca >Release: gcc 3.2 >Organization: >Environment: >Description: Inline assembly to read 64 bit pentium timer fails with testrdtsc.c:7: can't find a register in class `AD_REGS' while reloading `asm' under gcc 3.2 . The info seems to indicate =A constraint allows a 64 bit result. >How-To-Repeat: gcc -g -O6 -o testrdtsc testrdtsc.c >Fix: >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: application/octet-stream; name="testrdtsc.c" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="testrdtsc.c" Lyogc3VwcG9ydCBmb3IgcGVudGl1bSBjeWNsZSBjb3VudGVyICovCgpzdGF0aWMgX19pbmxpbmVf XyB1bnNpZ25lZCBsb25nIGxvbmcgaW50IHJkdHNjKCkKewogIHVuc2lnbmVkIGxvbmcgbG9uZyBp bnQgeDsKCiAgYXNtIF9fdm9sYXRpbGVfXyAoCiAgICAgICAgICAgICAgICAgICAgIi5ieXRlIDB4 MGYsIDB4MzEiCiAgICAgICAgICAgICAgICAgICAgOiAiPUEiICh4KQogICAgICAgICAgICAgICAg ICAgIDoKICAgICAgICAgICAgICAgICAgICA6ICIlZWF4IiwgIiVlZHgiCiAgICAgICAgICAgICAg ICAgICAgKTsKICByZXR1cm4oeCk7Cn0KIAppbnQgbWFpbihpbnQgYXJnYywgY2hhciAqKmFyZ3Yp CnsKICBwcmluZigicmR0c2MgcmV0dXJuZWQgJWQiLCByZHRzYygpKTsKICByZXR1cm4gMDsKICAK fQoK