mips without optimize

backend/mips/instr/MipsComp.java

@@ -0,0 +1,42 @@
+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";
+        }
+    }
+}