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powerpc/bpf/jit: Optimize 64-bit Immediate loads
authorNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Wed, 22 Jun 2016 16:25:03 +0000 (21:55 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Fri, 24 Jun 2016 05:15:04 +0000 (15:15 +1000)
commitc0b30404b16890b1981e3acf7be13abaf1a7dac2
treebe16878f5cdb461040d2d217dc1d0a88fcf6b2b0tree | snapshot
parentec757bc0bac67b010c1cc7f2508c5ccdbf451038commit | diff
powerpc/bpf/jit: Optimize 64-bit Immediate loads

Similar to the LI32() optimization, if the value can be represented
in 32-bits, use LI32(). Also handle loading a few specific forms of
immediate values in an optimum manner.

Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/net/bpf_jit.h diff | blob | history
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