linux-kernel - Re: [PATCH 1/1] vsprintf: optimize decimal conversion (again)

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Message-Id: <20120326131304.018a5f4b.akpm@linux-foundation.org>
Date:	Mon, 26 Mar 2012 13:13:04 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Denys Vlasenko <vda.linux@...glemail.com>
Cc:	linux-kernel@...r.kernel.org, Douglas W Jones <jones@...uiowa.edu>,
	Michal Nazarewicz <mnazarewicz@...gle.com>
Subject: Re: [PATCH 1/1] vsprintf: optimize decimal conversion (again)

On Mon, 26 Mar 2012 21:56:38 +0200
Denys Vlasenko <vda.linux@...glemail.com> wrote:

> >> +#if BITS_PER_LONG != 32 || (~(0ULL)>>1) != ((1ULL<<63)-1)
> >
> > What's this for?
> 
> The second check should be just BITS_PER_LONG_LONG != 64,
> but we don't have BITS_PER_LONG_LONG.

So let's add BITS_PER_LONG_LONG rather than hacking around its absence!
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