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authorDavid Daney <david.daney@cavium.com>2013-04-25 15:48:53 +0000
committerRalf Baechle <ralf@linux-mips.org>2013-04-26 17:18:24 +0200
commit3d39019a1655d195a60a86ebf38f9da30bd83d03 (patch)
tree3865e565fe49f2da4d9e690c8fdf63d7c04dbfa3 /virt
parente01961ceea5453ba93c386adf49fff6d1b811e74 (diff)
downloadvexpress-lsk-3d39019a1655d195a60a86ebf38f9da30bd83d03.tar.gz
MIPS: Remove redundant instructions from arch_spin_{,try}lock.
We were doing: SRL $r,$?,16 ANDI $r,$r,0xffff The logical right shift by 16 leaves the upper 16 bits clear, so the subsequent masking out of those bits is redundant, and can safely be removed. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'virt')
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