Paul Mackerras 9f264be610 [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>

2008-04-18 16:25:15 +10:00

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