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Date:      Mon, 19 Dec 2011 18:46:24 +0100
From:      Luigi Rizzo <rizzo@iet.unipi.it>
To:        Warner Losh <imp@bsdimp.com>
Cc:        threads@freebsd.org, Poul-Henning Kamp <phk@phk.freebsd.dk>, Tijl Coosemans <tijl@coosemans.org>, freebsd-arch@freebsd.org
Subject:   Re: [Patch] C1X threading support
Message-ID:  <20111219174624.GA13576@onelab2.iet.unipi.it>
In-Reply-To: <AC4BCD04-6555-4AD1-BBCD-3C706852ECCF@bsdimp.com>
References:  <58923.1324292241@critter.freebsd.dk> <AC4BCD04-6555-4AD1-BBCD-3C706852ECCF@bsdimp.com>

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On Mon, Dec 19, 2011 at 10:09:53AM -0700, Warner Losh wrote:
> 
> On Dec 19, 2011, at 3:57 AM, Poul-Henning Kamp wrote:
> 
> > In message <201112191152.22907.tijl@coosemans.org>, Tijl Coosemans writes:
> > 
> >>> Big/Little Endian API ?
> >>> 
> >>> Naah, nobody moves binary data between computers.
> >> 
> >> Yes, but rather than having the programmer remember when to swap bytes,
> >> it would be better if he could just declare a variable big/little
> >> endian and have the compiler figure it out.
> > 
> > You'd think so, wouldn't you ?
> 
> Intel has a compiler that allows one to declare things are big or little endian and then things work.  A certain large router vendor used it to port its software that was big endian only at a very deep layer to Intel x86...
> 
> Linux marks things as beXX or leXX and uses static analysis to prevent mixing.
> 
> There's a lot of prior art for the committee to choose from.

and that would be the definition of a blacklist, right ? :)

	cheers
	luigi



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