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/BranchInstr.java
+++ b/midend/llvm/instr/BranchInstr.java
@@ -1,33 +1,48 @@
-package midend.llvm.instr;
-
-import midend.llvm.value.IrBasicBlock;
-import midend.llvm.value.IrValue;
-import midend.llvm.type.IrInterType;
-
-public class BranchInstr extends IrInstr {
-    public BranchInstr(String name, IrValue cond, IrBasicBlock trueBB, IrBasicBlock falseBB) {
-        super(IrInterType.VOID, name, IrInstrType.BR);
-        addUse(cond);
-        addUse(trueBB);
-        addUse(falseBB);
-    }
-
-    public IrValue getCond() {
-        return getUse(0);
-    }
-
-    public IrBasicBlock getTrueBB() {
-        return (IrBasicBlock) getUse(1);
-    }
-
-    public IrBasicBlock getFalseBB() {
-        return (IrBasicBlock) getUse(2);
-    }
-
-    public String toString() {
-        return "br i1 " + getCond().getName() +
-                ", label %" + getTrueBB().getName() + 
-                ", label %" + getFalseBB().getName();
-    }
-
-}
+package midend.llvm.instr;
+
+import midend.llvm.value.IrBasicBlock;
+import midend.llvm.value.IrValue;
+import backend.mips.MipsBuilder;
+import backend.mips.Register;
+import backend.mips.instr.MipsBranch;
+import backend.mips.instr.type.MipsBranchType;
+import backend.mips.instr.type.MipsJumpType;
+import backend.mips.instr.MipsJump;
+import midend.llvm.type.IrInterType;
+
+public class BranchInstr extends IrInstr {
+    public BranchInstr(String name, IrValue cond, IrBasicBlock trueBB, IrBasicBlock falseBB) {
+        super(IrInterType.VOID, name, IrInstrType.BR);
+        addUse(cond);
+        addUse(trueBB);
+        addUse(falseBB);
+    }
+
+    public IrValue getCond() {
+        return getUse(0);
+    }
+
+    public IrBasicBlock getTrueBB() {
+        return (IrBasicBlock) getUse(1);
+    }
+
+    public IrBasicBlock getFalseBB() {
+        return (IrBasicBlock) getUse(2);
+    }
+
+    public String toString() {
+        return "br i1 " + getCond().getName() +
+                ", label %" + getTrueBB().getName() + 
+                ", label %" + getFalseBB().getName();
+    }
+
+    public void toMips() {
+        Register condReg = MipsBuilder.getRegister(getCond());
+        if (condReg == null) {
+            condReg = Register.K0;
+        }
+        loadValueToReg(getCond(), condReg);
+        new MipsBranch(MipsBranchType.BNE, condReg, Register.ZERO, getTrueBB().getMipsLabel());
+        new MipsJump(MipsJumpType.J, getFalseBB().getMipsLabel());
+    }
+}