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From: Rich Felker <dalias@aerifal.cx>
To: "Maciej W. Rozycki" <macro@codesourcery.com>
Cc: libc-ports@sourceware.org, libc-alpha@sourceware.org,
	Doug Gilmore <Doug.Gilmore@imgtec.com>
Subject: Re: [RFC][PATCH] MIPS: IEEE 754-2008 NaN encoding support
Date: Fri, 23 Aug 2013 03:46:00 -0000	[thread overview]
Message-ID: <20130823034617.GP20515@brightrain.aerifal.cx> (raw)
In-Reply-To: <alpine.DEB.1.10.1308222343480.8514@tp.orcam.me.uk>

On Fri, Aug 23, 2013 at 12:52:43AM +0100, Maciej W. Rozycki wrote:
>  As from revision 3.50 [2][3] the MIPS Architecture provides for 
> processors that support the IEEE 754-2008 preferred NaN encoding format.  
> As the two formats (further referred to as "legacy NaN" and "2008 NaN") 
> are incompatible to each other, tools will have to provide support for the 
> two formats to help people avoid using incompatible binary modules.  Here 
> is the glibc part.
> [...]
>  References:
> 
> [1] "IEEE Standard for Floating-Point Arithmetic", IEEE Computer Society, 
>     IEEE Std 754-2008, 29 August 2008
> 
> [2] "MIPS Architecture For Programmers, Volume I-A: Introduction to the 
>     MIPS32 Architecture", MIPS Technologies, Inc., Document Number: 
>     MD00082, Revision 3.50, September 20, 2012
> 
> [3] "MIPS Architecture For Programmers, Volume I-A: Introduction to the 
>     MIPS64 Architecture", MIPS Technologies, Inc., Document Number: 
>     MD00083, Revision 3.50, September 20, 2012

These documents do not seem to be publicly available; I can only mind
much older versions online, such as 0.95:

http://www.ece.lsu.edu/ee4720/mips64v1.pdf

Perhaps you could quote some of the relevant text?

Rich

  parent reply	other threads:[~2013-08-23  3:46 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-22 23:53 Maciej W. Rozycki
2013-08-23  0:58 ` Rich Felker
2013-08-23  1:41   ` Maciej W. Rozycki
2013-08-23  1:57     ` Rich Felker
2013-08-23  3:11       ` pinskia
2013-08-23  3:38         ` Rich Felker
2013-08-23  4:08           ` pinskia
2013-08-23  4:12             ` Rich Felker
2013-08-23  4:10     ` Rich Felker
2013-08-23  3:46 ` Rich Felker [this message]
2013-08-23 10:53   ` Maciej W. Rozycki
2013-08-23 15:26 ` Joseph S. Myers
2013-09-05 22:47   ` [RFC][PATCH v2] " Maciej W. Rozycki
2013-09-06 16:24     ` Joseph S. Myers
2013-09-10  9:36       ` Maciej W. Rozycki
2013-09-10 23:24         ` Joseph S. Myers
2013-09-16 15:14           ` [PATCH v3] " Maciej W. Rozycki
2013-09-16 15:26             ` Joseph S. Myers
2013-09-18 20:48               ` Maciej W. Rozycki

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