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authorDavid Daney <ddaney@caviumnetworks.com>2012-08-16 20:15:22 +0200
committerRalf Baechle <ralf@linux-mips.org>2012-10-11 11:04:35 +0200
commitf59a2d22a05272034e856b7a2dd7a3ab7864a2ae (patch)
tree5111649972d2ea819f9f3e17096d263485c858c5 /fs/nfs
parentMIPS: perf: Add perf functionality for BMIPS5000 (diff)
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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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