linux-kernel - Re: [PATCH] RTC: rtc_time_to

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Message-ID: <Pine.LNX.4.55.0805070207230.16173@cliff.in.clinika.pl>
Date:	Wed, 7 May 2008 02:11:08 +0100 (BST)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Dmitri Vorobiev <dmitri.vorobiev@...il.com>
cc:	Alessandro Zummo <a.zummo@...ertech.it>,
	Andrew Morton <akpm@...ux-foundation.org>,
	rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] RTC: rtc_time_to_tm: use unsigned arithmetic

On Wed, 7 May 2008, Dmitri Vorobiev wrote:

> > -	register int days, month, year;
> > +	register unsigned int days, month, year;
> 
> Does it make any sense to use the `register' keyword nowadays?

 It may or may not -- I have not investigated it that thoroughly.  It is
still correct syntax and a valid optimization hint -- I could imagine the
-Os mode utilizing it on some architecture that can do ALU operations on
memory.

  Maciej
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