show_op
int len = sprintf(buf, "$ %s", show_op(state, op));
str = show_op(state, op);
output_insn(state, "lea %s,%s", show_op(state, op), reg->name);
str = show_op(state, op);
const char *str = show_op(state, op);
output_insn(state, "%s.%d %s,%s", op, insn->size, show_op(state, src2), dst->name);