Re: [PATCH 3/6] C-language equivalents of include/asm-*/bitops.h
From: Richard Henderson <hidden>
Date: 2006-01-26 17:31:58
Also in:
linux-mips, linuxppc-dev, sparclinux
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~