public inbox for gcc-prs@sourceware.org help / color / mirror / Atom feed
From: jon@mast.queensu.ca To: gcc-gnats@gcc.gnu.org Subject: inline-asm/9981: attempt to read 64 bit pentium timestamp failure Date: Thu, 06 Mar 2003 15:36:00 -0000 [thread overview] Message-ID: <20030306153234.19478.qmail@sources.redhat.com> (raw) >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
next reply other threads:[~2003-03-06 15:36 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-03-06 15:36 jon [this message] 2003-05-10 21:06 Dara Hazeghi
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20030306153234.19478.qmail@sources.redhat.com \ --to=jon@mast.queensu.ca \ --cc=gcc-gnats@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).