From: Fabrice Bellard <fabrice@bellard.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [4705] Fix div[u]2.
Date: Mon, 09 Jun 2008 10:34:05 +0200 [thread overview]
Message-ID: <484CEAFD.9020906@bellard.org> (raw)
In-Reply-To: <E1K5aWQ-0003Lh-Ac@cvs.savannah.gnu.org>
malc wrote:
> Revision: 4705
> http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4705
> Author: malc
> Date: 2008-06-09 06:06:25 +0000 (Mon, 09 Jun 2008)
>
> Log Message:
> -----------
> Fix div[u]2.
>
> Previous code assummed 32 by 32 bit divmod operation, and survived
> x86_64 test only by sheer luck. MIPS wasn't so forgiving.
Are you sure it is needed ? div[u]2 support in currently optional in
TCG. On some hosts such as PowerPC, implementing div[u] directly is
simpler. rem[u] can be implemented generically then.
Fabrice.
next prev parent reply other threads:[~2008-06-09 8:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-09 6:06 [Qemu-devel] [4705] Fix div[u]2 malc
2008-06-09 8:34 ` Fabrice Bellard [this message]
2008-06-09 20:02 ` malc
2008-06-09 20:21 ` Fabrice Bellard
2008-06-09 23:47 ` malc
2008-06-09 16:44 ` C.W. Betts
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=484CEAFD.9020906@bellard.org \
--to=fabrice@bellard.org \
--cc=qemu-devel@nongnu.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.