static void init_regs()

in net/bpf_jit_comp64.c [359:378]

• 18 lines of code
• 11 McCabe index (conditional complexity)

static void init_regs(u8 *rd, u8 *rs, const struct bpf_insn *insn,
		      struct rv_jit_context *ctx)
{
	u8 code = insn->code;

	switch (code) {
	case BPF_JMP | BPF_JA:
	case BPF_JMP | BPF_CALL:
	case BPF_JMP | BPF_EXIT:
	case BPF_JMP | BPF_TAIL_CALL:
		break;
	default:
		*rd = bpf_to_rv_reg(insn->dst_reg, ctx);
	}

	if (code & (BPF_ALU | BPF_X) || code & (BPF_ALU64 | BPF_X) ||
	    code & (BPF_JMP | BPF_X) || code & (BPF_JMP32 | BPF_X) ||
	    code & BPF_LDX || code & BPF_STX)
		*rs = bpf_to_rv_reg(insn->src_reg, ctx);
}