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Date: Mon, 30 Jan 2006 17:06:47 +0000
From: Ralf Baechle <ralf@linux-mips.org>
To: Stuart Brady <sdbrady@ntlworld.com>
Cc: Grant Grundler <grundler@parisc-linux.org>,
       Akinobu Mita <mita@miraclelinux.com>, linux-kernel@vger.kernel.org,
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Subject: Re: [parisc-linux] Re: [PATCH 3/6] C-language equivalents of include/asm-*/bitops.h
Message-ID: <20060130170647.GC3816@linux-mips.org>
References: <20060125112625.GA18584@miraclelinux.com> <20060125113206.GD18584@miraclelinux.com> <20060125200250.GA26443@flint.arm.linux.org.uk> <20060126000618.GA5592@twiddle.net> <20060126085540.GA15377@flint.arm.linux.org.uk> <20060126161849.GA13632@colo.lackof.org> <20060126164020.GA27222@flint.arm.linux.org.uk> <20060126230443.GC13632@colo.lackof.org> <20060126230353.GC27222@flint.arm.linux.org.uk> <20060129071242.GA24624@miranda.arrow>
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On Sun, Jan 29, 2006 at 07:12:42AM +0000, Stuart Brady wrote:

> On MIPS, fls() and flz() should probably use CLO.

It actually uses clz.

> Curiously, MIPS is the only arch with a flz() function.

No longer.  The fls implementation was based on flz and fls was the only
user of flz.  So I cleaned that, once I commit flz will be gone.  Not
only a cleanup but also a minor optimization.

  Ralf