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author | Paul Mackerras <paulus@samba.org> | 2008-04-18 00:26:08 -0400 |
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committer | Paul Mackerras <paulus@samba.org> | 2008-04-18 02:25:15 -0400 |
commit | 9f264be6101c42cb9e471c58322fb83a5cde1461 (patch) | |
tree | 5d96ec582d5483c67e5511f0aa0c61d869a48640 /include/asm-powerpc/delay.h | |
parent | 945feb174b14e7098cc7ecf0cf4768d35bc52f9c (diff) |
[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>
Diffstat (limited to 'include/asm-powerpc/delay.h')
0 files changed, 0 insertions, 0 deletions