nfp: bpf: fix code-gen bug on BPF_ALU | BPF_XOR | BPF_K
The intended optimization should be A ^ 0 = A, not A ^ -1 = A.
Fixes: cd7df56ed3
("nfp: add BPF to NFP code translator")
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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@ -2309,7 +2309,7 @@ static int xor_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
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static int xor_imm(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
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{
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return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR, !~meta->insn.imm);
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return wrp_alu32_imm(nfp_prog, meta, ALU_OP_XOR, !meta->insn.imm);
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}
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static int and_reg(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
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