public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/42553] wrong code with -O1
Date: Mon, 04 Jan 2010 16:07:00 -0000 [thread overview]
Message-ID: <20100104160750.8538.qmail@sourceware.org> (raw)
In-Reply-To: <bug-42553-5724@http.gcc.gnu.org/bugzilla/>
------- Comment #3 from ubizjak at gmail dot com 2010-01-04 16:07 -------
(In reply to comment #2)
> The inline-asm is totally incorrect here ...
Actually, the asm is correct, it is just a couple of volatiles that are
missing. Please see arch/x86/include/asm/bitops.h from linux-2.6 for correct
implementation.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42553
prev parent reply other threads:[~2010-01-04 16:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-30 12:57 [Bug target/42553] New: " debian-gcc at lists dot debian dot org
2009-12-30 13:14 ` Andrew Pinski
2009-12-30 13:15 ` [Bug target/42553] " pinskia at gmail dot com
2009-12-30 14:33 ` pinskia at gcc dot gnu dot org
2010-01-04 16:07 ` ubizjak at gmail dot com [this message]
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=20100104160750.8538.qmail@sourceware.org \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=gcc-bugs@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: link
Be 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).