static int register_insn (opc_handler_t **ppc_opcodes, opcode_t *insn) { if (insn->opc2 != 0xFF) { if (insn->opc3 != 0xFF) { if (register_dblind_insn(ppc_opcodes, insn->opc1, insn->opc2, insn->opc3, &insn->handler) < 0) return -1; } else { if (register_ind_insn(ppc_opcodes, insn->opc1, insn->opc2, &insn->handler) < 0) return -1; } } else { if (register_direct_insn(ppc_opcodes, insn->opc1, &insn->handler) < 0) return -1; } return 0; }