From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Fix NaN handling in softfloat
Date: Sat, 03 Nov 2007 20:13:55 +0100 [thread overview]
Message-ID: <472CC873.4080502@aurel32.net> (raw)
In-Reply-To: <20071103183048.GD14756@networkno.de>
Thiemo Seufer a écrit :
> Aurelien Jarno wrote:
>> Hi all,
>>
>> The current softfloat implementation changes qNaN into sNaN when
>> converting between formats, for no reason. The attached patch fixes
>> that.
>
> Did you take into account that MIPS and PA-RISC have the signalling
> bit inverted to the rest of the world?
Oh didn't know about that! Anyway that doesn't change anything, as the
patch simply copy parts of the mantissa from one format to another.
That just means on other architectures, sNaN are changed into qNaN.
--
.''`. Aurelien Jarno | GPG: 1024D/F1BCDB73
: :' : Debian developer | Electrical Engineer
`. `' aurel32@debian.org | aurelien@aurel32.net
`- people.debian.org/~aurel32 | www.aurel32.net
prev parent reply other threads:[~2007-11-03 19:14 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-03 17:35 [Qemu-devel] [PATCH] Fix NaN handling in softfloat Aurelien Jarno
2007-11-03 18:06 ` Daniel Jacobowitz
2007-11-03 19:14 ` Aurelien Jarno
2007-11-03 21:28 ` Aurelien Jarno
2007-11-06 20:01 ` J. Mayer
2007-11-06 21:14 ` Thiemo Seufer
2007-11-07 23:05 ` Aurelien Jarno
2007-11-07 23:12 ` Daniel Jacobowitz
2007-11-08 0:41 ` Thiemo Seufer
2007-11-09 22:31 ` J. Mayer
2007-11-10 9:35 ` Aurelien Jarno
2007-11-10 13:31 ` J. Mayer
2007-11-10 16:15 ` Aurelien Jarno
2007-11-10 17:14 ` J. Mayer
2007-11-10 18:09 ` Aurelien Jarno
2007-11-10 22:44 ` J. Mayer
2007-11-10 21:18 ` Thiemo Seufer
2007-11-10 21:46 ` Aurelien Jarno
2007-11-21 15:49 ` Aurelien Jarno
2007-12-16 12:43 ` Aurelien Jarno
2007-11-03 18:30 ` Thiemo Seufer
2007-11-03 19:13 ` Aurelien Jarno [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=472CC873.4080502@aurel32.net \
--to=aurelien@aurel32.net \
--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 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 NNTP newsgroup(s).