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authorPaul Mackerras <paulus@samba.org>2008-04-18 14:26:08 +1000
committerPaul Mackerras <paulus@samba.org>2008-04-18 16:25:15 +1000
commit9f264be6101c42cb9e471c58322fb83a5cde1461 (patch)
tree5d96ec582d5483c67e5511f0aa0c61d869a48640 /drivers/of
parent945feb174b14e7098cc7ecf0cf4768d35bc52f9c (diff)
downloadlinux-9f264be6101c42cb9e471c58322fb83a5cde1461.tar.bz2
[POWERPC] Optimize fls64() on 64-bit processors
64-bit powerpc processors can find the leftmost 1 bit in a 64-bit doubleword in one instruction, so use that rather than using the generic fls64(), which does two 32-bit fls() calls. Signed-off-by: Paul Mackerras <paulus@samba.org>
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