Fixed division. Chapter 12 is done!

Author: dplassgit

src/com/plasstech/lang/c/codegen/tacky/TackyInstructionToInstructionsVisitor.java

@@ -122,7 +122,9 @@ public List<Instruction> visit(TackyBinary op) {
           }
         } else {
           // page 288
-          // mov (left, register(ax))
+          // mov (left, register(ax)) (above)
+          // mov 0, rdx
+          instructions.add(new Mov(leftType, new Imm(0), RegisterOperand.RDX));
           // div(right)
           instructions.add(new Div(leftType, right));
           if (operator == TokenType.SLASH) {

src/com/plasstech/lang/c/typecheck/Initializer.java

@@ -6,14 +6,14 @@
 public record Initializer(StaticInit staticInit) implements InitialValue {
   public static Initializer of(long value, Type type) {
     if (type.equals(Type.INT)) {
-      return new Initializer(new IntInit((int) value));
+      return new Initializer(new IntInit(value));
     }
     if (type.equals(Type.LONG)) {
       return new Initializer(new LongInit(value));
     }
     // Not sure if this is right. Page 280
     if (type.equals(Type.UNSIGNED_INT)) {
-      return new Initializer(new UIntInit((int) value));
+      return new Initializer(new UIntInit(value));
     }
     if (type.equals(Type.UNSIGNED_LONG)) {
       return new Initializer(new ULongInit(value));

src/com/plasstech/lang/c/typecheck/IntInit.java

@@ -1,6 +1,10 @@
 package com.plasstech.lang.c.typecheck;
 
 public record IntInit(int value) implements StaticInit {
+  public IntInit(long lvalue) {
+    this((int) (lvalue % 4294967296L));
+  }
+
   @Override
   public long valueAsLong() {
     return value;

src/com/plasstech/lang/c/typecheck/UIntInit.java

@@ -1,6 +1,10 @@
 package com.plasstech.lang.c.typecheck;
 
 public record UIntInit(int value) implements StaticInit {
+  public UIntInit(long lvalue) {
+    this((int) (lvalue - 4294967296L));
+  }
+
   @Override
   public long valueAsLong() {
     return value;