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| author |   Paul Mackerras <paulus@samba.org> | 2008-04-18 14:26:08 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-04-18 16:25:15 +1000 |
| commit | 9f264be6101c42cb9e471c58322fb83a5cde1461 (patch) | |
| tree | 5d96ec582d5483c67e5511f0aa0c61d869a48640 /arch/powerpc/sysdev/xilinx_intc.c | |
| parent | [POWERPC] irqtrace support for 64-bit powerpc (diff) | |
| download | wireguard-linux-9f264be6101c42cb9e471c58322fb83a5cde1461.tar.xz wireguard-linux-9f264be6101c42cb9e471c58322fb83a5cde1461.zip | |
[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 'arch/powerpc/sysdev/xilinx_intc.c')
0 files changed, 0 insertions, 0 deletions