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Date: Thu, 26 Jan 2006 09:30:14 -0800
From: Richard Henderson <rth@twiddle.net>
To: Edgar Toernig <froese@gmx.de>
Subject: Re: [PATCH 3/6] C-language equivalents of include/asm-*/bitops.h
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Cc: linux-mips@linux-mips.org, linux-m68k@vger.kernel.org,
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On Thu, Jan 26, 2006 at 05:34:12AM +0100, Edgar Toernig wrote:
> Why shift at all?

Becuase that *is* a valid architecture tuning knob.  Most risc
machines can't AND with arbitrary constants like that, and loading
the constant might bulk things up more than just using the shift.


r~