mips without optimize

2025-12-12 20:14:00 +08:00
parent 84827838e2
commit c94bebf37b
130 changed files with 5462 additions and 4182 deletions
--- a/midend/llvm/instr/CmpInstr.java
+++ b/midend/llvm/instr/CmpInstr.java
@@ -1,32 +1,58 @@
-package midend.llvm.instr;
-
-import midend.llvm.value.IrValue;
-import midend.llvm.type.IrInterType;
-
-public class CmpInstr extends IrInstr {
-    private CmpType cmpType;
-
-    public CmpInstr(String name, String op, IrValue lhs, IrValue rhs) {
-        super(IrInterType.BOOL, name, IrInstrType.CMP);
-        cmpType = CmpType.getCmpType(op);
-        addUse(lhs);
-        addUse(rhs);
-    }
-
-    public CmpType getCmpType() {
-        return cmpType;
-    }
-
-    public IrValue getLhs() {
-        return getUse(0);
-    }
-
-    public IrValue getRhs() {
-        return getUse(1);
-    }
-
-    public String toString() {
-        return getName() + " = " + "icmp " + cmpType.toString()
-                + " i32 " + getLhs().getName() + ", " + getRhs().getName();
-    }
-}
+package midend.llvm.instr;
+
+import midend.llvm.value.IrValue;
+import backend.mips.Register;
+import backend.mips.instr.MipsComp;
+import backend.mips.instr.type.MipsCompareType;
+import midend.llvm.type.IrInterType;
+import backend.mips.MipsBuilder;
+
+public class CmpInstr extends IrInstr {
+    private CmpType cmpType;
+
+    public CmpInstr(String name, String op, IrValue lhs, IrValue rhs) {
+        super(IrInterType.BOOL, name, IrInstrType.CMP);
+        cmpType = CmpType.getCmpType(op);
+        addUse(lhs);
+        addUse(rhs);
+    }
+
+    public CmpType getCmpType() {
+        return cmpType;
+    }
+
+    public IrValue getLhs() {
+        return getUse(0);
+    }
+
+    public IrValue getRhs() {
+        return getUse(1);
+    }
+
+    public String toString() {
+        return getName() + " = " + "icmp " + cmpType.toString()
+                + " i32 " + getLhs().getName() + ", " + getRhs().getName();
+    }
+
+    public void toMips() {
+        Register leftReg = MipsBuilder.getRegister(getLhs()) != null ? MipsBuilder.getRegister(getLhs()) : Register.K0;
+        Register rightReg = MipsBuilder.getRegister(getRhs()) != null ? MipsBuilder.getRegister(getRhs()) : Register.K1;
+        Register resultReg = MipsBuilder.getRegister(this) != null ? MipsBuilder.getRegister(this) : Register.K1;
+        loadValueToReg(getLhs(), leftReg);
+        loadValueToReg(getRhs(), rightReg);
+        if (getCmpType() == CmpType.EQ) {
+            new MipsComp(MipsCompareType.SEQ, resultReg, leftReg, rightReg);
+        } else if (getCmpType() == CmpType.NE) {
+            new MipsComp(MipsCompareType.SNE, resultReg, leftReg, rightReg);
+        } else if (getCmpType() == CmpType.SGE) {
+            new MipsComp(MipsCompareType.SGE, resultReg, leftReg, rightReg);
+        } else if (getCmpType() == CmpType.SLE) {
+            new MipsComp(MipsCompareType.SLE, resultReg, leftReg, rightReg);
+        } else if (getCmpType() == CmpType.SGT) {
+            new MipsComp(MipsCompareType.SGT, resultReg, leftReg, rightReg);
+        } else if (getCmpType() == CmpType.SLT) {
+            new MipsComp(MipsCompareType.SLT, resultReg, leftReg, rightReg);
+        }
+        saveResult(this, resultReg);
+    }
+}