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authorDavid Daney <david.daney@cavium.com>2013-04-25 17:48:53 +0200
committerRalf Baechle <ralf@linux-mips.org>2013-04-26 17:18:24 +0200
commit3d39019a1655d195a60a86ebf38f9da30bd83d03 (patch)
tree3865e565fe49f2da4d9e690c8fdf63d7c04dbfa3 /arch/mips/sgi-ip22
parentMIPS: Remove further use of .subsection (diff)
downloadlinux-3d39019a1655d195a60a86ebf38f9da30bd83d03.tar.xz
linux-3d39019a1655d195a60a86ebf38f9da30bd83d03.zip
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 'arch/mips/sgi-ip22')
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