package backend.mips.instr;

import backend.mips.instr.type.MipsCompareType;
import backend.mips.instr.type.MipsType;
import backend.mips.Register;

public class MipsComp extends MipsInstr {
    private MipsCompareType compareType;
    private Register rd;
    private Register rs;
    private Register rt;
    private int immediate;
    private boolean isImmediate;

    public MipsComp(MipsCompareType compareType, Register rd, Register rs, Register rt) {
        super(MipsType.COMPARE);
        this.compareType = compareType;
        this.rd = rd;
        this.rs = rs;
        this.rt = rt;
        this.immediate = 0;
        this.isImmediate = false;
    }

    public MipsComp(MipsCompareType compareType, Register rd, Register rs, int immediate) {
        super(MipsType.COMPARE);
        this.compareType = compareType;
        this.rd = rd;
        this.rs = rs;
        this.rt = null;
        this.immediate = immediate;
        this.isImmediate = true;
    }

    public String toString() {
        if (this.isImmediate) {
            return this.compareType.toString() + " " + this.rd + ", " + this.rs + ", " + this.immediate + "\n";
        } else {
            return this.compareType.toString() + " " + this.rd + ", " + this.rs + ", " + this.rt + "\n";
        }
    }
}