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/IrInstr.java
+++ b/midend/llvm/instr/IrInstr.java
@@ -1,28 +1,75 @@
-package midend.llvm.instr;
-
-import midend.llvm.use.IrUser;
-import midend.llvm.value.IrBasicBlock;
-import midend.llvm.type.IrType;
-
-public class IrInstr extends IrUser {
-    private IrInstrType type;
-    private IrBasicBlock block;
-
-    public IrInstr(IrType type, String name, IrInstrType instrType) {
-        super(type, name);
-        this.type = instrType;
-        this.block = null;
-    }
-
-    public IrInstrType getInstrType() {
-        return type;
-    }
-
-    public IrBasicBlock getBBlock() {
-        return block;
-    }
-
-    public void setBBlock(IrBasicBlock block) {
-        this.block = block;
-    }
-}
+package midend.llvm.instr;
+
+import midend.llvm.use.IrUser;
+import midend.llvm.value.IrBasicBlock;
+import midend.llvm.value.IrGlobalValue;
+import midend.llvm.value.IrValue;
+import midend.llvm.constant.IrConstantInt;
+import backend.mips.MipsBuilder;
+import backend.mips.Register;
+import backend.mips.instr.MipsLs;
+import backend.mips.instr.fake.MipsLa;
+import backend.mips.instr.fake.MipsLi;
+import backend.mips.instr.fake.MipsMove;
+import backend.mips.instr.type.MipsLsType;
+import midend.llvm.type.IrType;
+
+public class IrInstr extends IrUser {
+    private IrInstrType type;
+    private IrBasicBlock block;
+
+    public IrInstr(IrType type, String name, IrInstrType instrType) {
+        super(type, name);
+        this.type = instrType;
+        this.block = null;
+    }
+
+    public IrInstrType getInstrType() {
+        return type;
+    }
+
+    public IrBasicBlock getBBlock() {
+        return block;
+    }
+
+    public void setBBlock(IrBasicBlock block) {
+        this.block = block;
+    }
+
+    public void saveResult(IrValue value, Register reg) {
+        Register valueReg = MipsBuilder.getRegister(value);
+        if (valueReg == null) {
+            Integer offset = MipsBuilder.getOffset(value);
+            if (offset == null) {
+                MipsBuilder.allocaOffset(value);
+                offset = MipsBuilder.getOffset(value);
+            }
+            new MipsLs(MipsLsType.SW, reg, Register.SP, offset);
+        } else {
+            new MipsMove(valueReg, reg);
+        }
+    }
+
+    public void loadValueToReg(IrValue value, Register reg) {
+        if (value instanceof IrGlobalValue) {
+            new MipsLa(reg, value.getMipsLabel());
+            return;
+        }
+        if (value instanceof IrConstantInt) {
+            new MipsLi(reg, ((IrConstantInt) value).getValue());
+            return;
+        }
+
+        Register valueReg = MipsBuilder.getRegister(value);
+        if (valueReg != null) {
+            new MipsMove(reg, valueReg);
+            return;
+        }
+        Integer offset = MipsBuilder.getOffset(value);
+        if (offset == null) {
+            MipsBuilder.allocaOffset(value);
+            offset = MipsBuilder.getOffset(value);
+        }
+        new MipsLs(MipsLsType.LW, reg, Register.SP, offset);
+    }
+}