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H A D | jit.c | ac7a1717 Fri Feb 01 16:39:29 CST 2019 Jiong Wang <jiong.wang@netronome.com> nfp: bpf: complete ALU32 logic shift supports
The following ALU32 logic shift supports are missing:
BPF_ALU | BPF_LSH | BPF_X BPF_ALU | BPF_RSH | BPF_X BPF_ALU | BPF_RSH | BPF_K
For BPF_RSH | BPF_K, it could be implemented using NFP direct shift instruction. For the other BPF_X shifts, NFP indirect shifts sequences need to be used.
Separate code-gen hook is assigned to each instruction to make the implementation clear.
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> ac7a1717 Fri Feb 01 16:39:29 CST 2019 Jiong Wang <jiong.wang@netronome.com> nfp: bpf: complete ALU32 logic shift supports The following ALU32 logic shift supports are missing: BPF_ALU | BPF_LSH | BPF_X BPF_ALU | BPF_RSH | BPF_X BPF_ALU | BPF_RSH | BPF_K For BPF_RSH | BPF_K, it could be implemented using NFP direct shift instruction. For the other BPF_X shifts, NFP indirect shifts sequences need to be used. Separate code-gen hook is assigned to each instruction to make the implementation clear. Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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