From: David Daney <ddaney@caviumnetworks.com>
Date: Thu, 16 Aug 2012 18:15:22 +0000 (-0700)
Subject: MIPS: Optimize pgd_init and pmd_init
X-Git-Tag: v3.7-rc1~1^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f59a2d22a05272034e856b7a2dd7a3ab7864a2ae;p=pandora-kernel.git

MIPS: Optimize pgd_init and pmd_init

On a dual issue processor GCC generates code that saves a couple of
clock cycles per loop if we rearrange things slightly.  Checking for
p != end saves a SLTU per loop, moving the increment to the middle can
let it dual issue on multi-issue processors.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4249/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

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