feat: 增加 64 位整数比较

src/main/java/org/jcnc/snow/compiler/backend/generator/CmpJumpGenerator.java

@@ -46,9 +46,9 @@ public class CmpJumpGenerator implements InstructionGenerator<IRCompareJumpInstr
         // 获取右操作数所在的寄存器槽编号
         int rightSlot = slotMap.get(ins.right());
         // 加载左操作数到虚拟机栈
-        out.emit(OpHelper.opcode("I_LOAD") + " " + leftSlot);
+        out.emit(OpHelper.opcode("L_LOAD") + " " + leftSlot);
         // 加载右操作数到虚拟机栈
-        out.emit(OpHelper.opcode("I_LOAD") + " " + rightSlot);
+        out.emit(OpHelper.opcode("L_LOAD") + " " + rightSlot);
         // 获取与当前比较操作对应的虚拟机操作码
         String cmpOp = IROpCodeMapper.toVMOp(ins.op());
         // 生成分支跳转指令，如果比较成立则跳转到目标标签

src/main/java/org/jcnc/snow/compiler/backend/util/IROpCodeMapper.java

@@ -82,6 +82,7 @@ public final class IROpCodeMapper {
         opcodeMap.put(IROpCode.NEG_D64, "D_NEG");
 
         // 比较运算映射
+        // 整形32位比较运算映射
         opcodeMap.put(IROpCode.CMP_EQ, "IC_E");   // 相等
         opcodeMap.put(IROpCode.CMP_NE, "IC_NE");   // 不等
         opcodeMap.put(IROpCode.CMP_LT, "IC_L");    // 小于
@@ -89,6 +90,14 @@ public final class IROpCodeMapper {
         opcodeMap.put(IROpCode.CMP_LE, "IC_LE");   // 小于等于
         opcodeMap.put(IROpCode.CMP_GE, "IC_GE");   // 大于等于
 
+        // 整形64位比较运算映射
+        opcodeMap.put(IROpCode.CMP_LEQ, "LC_E");   // 相等
+        opcodeMap.put(IROpCode.CMP_LNE, "LC_NE");   // 不等
+        opcodeMap.put(IROpCode.CMP_LLT, "LC_L");    // 小于
+        opcodeMap.put(IROpCode.CMP_LGT, "LC_G");    // 大于
+        opcodeMap.put(IROpCode.CMP_LLE, "LC_LE");   // 小于等于
+        opcodeMap.put(IROpCode.CMP_LGE, "LC_GE");   // 大于等于
+
         // 加载与存储
         opcodeMap.put(IROpCode.LOAD, "I_LOAD");  // 加载
         opcodeMap.put(IROpCode.STORE, "I_STORE"); // 存储

src/main/java/org/jcnc/snow/compiler/backend/util/OpHelper.java

@@ -95,6 +95,12 @@ public final class OpHelper {
         map.put("IC_GE", Integer.toString(VMOpCode.IC_GE));
         map.put("IC_L", Integer.toString(VMOpCode.IC_L));
         map.put("IC_LE", Integer.toString(VMOpCode.IC_LE));
+        map.put("LC_E", Integer.toString(VMOpCode.LC_E));
+        map.put("LC_NE", Integer.toString(VMOpCode.LC_NE));
+        map.put("LC_G", Integer.toString(VMOpCode.LC_G));
+        map.put("LC_GE", Integer.toString(VMOpCode.LC_GE));
+        map.put("LC_L", Integer.toString(VMOpCode.LC_L));
+        map.put("LC_LE", Integer.toString(VMOpCode.LC_LE));
         map.put("I_PUSH", Integer.toString(VMOpCode.I_PUSH));
         map.put("L_PUSH", Integer.toString(VMOpCode.L_PUSH));
         map.put("S_PUSH", Integer.toString(VMOpCode.S_PUSH));

src/main/java/org/jcnc/snow/compiler/ir/core/IROpCode.java

@@ -66,13 +66,21 @@ public enum IROpCode {
     DIV_D64,   // 64位浮点除法
     NEG_D64,   // 64位浮点取负
 
-    /* ───── 逻辑与比较运算指令 ───── */
-    CMP_EQ,    // 相等比较：a == b
-    CMP_NE,    // 不等比较：a != b
-    CMP_LT,    // 小于比较：a < b
-    CMP_GT,    // 大于比较：a > b
-    CMP_LE,    // 小于等于：a <= b
-    CMP_GE,    // 大于等于：a >= b
+    /* ───── 逻辑与比较运算指令（32位整数：int） ───── */
+    CMP_EQ,    // 32位相等比较：a == b
+    CMP_NE,    // 32位不等比较：a != b
+    CMP_LT,    // 32位小于比较：a < b
+    CMP_GT,    // 32位大于比较：a > b
+    CMP_LE,    // 32位小于等于：a <= b
+    CMP_GE,    // 32位大于等于：a >= b
+
+    /* ───── 逻辑与比较运算指令（64位整数：long） ───── */
+    CMP_LEQ,    // 64位相等比较：a == b
+    CMP_LNE,    // 64位不等比较：a != b
+    CMP_LLT,    // 64位小于比较：a < b
+    CMP_LGT,    // 64位大于比较：a > b
+    CMP_LLE,    // 64位小于等于：a <= b
+    CMP_LGE,    // 64位大于等于：a >= b
 
     /* ───── 数据访问与常量操作 ───── */
     LOAD,      // 从内存加载数据至寄存器

src/main/java/org/jcnc/snow/compiler/ir/core/IROpCodeMappings.java

@@ -40,11 +40,11 @@ public final class IROpCodeMappings {
     );
     // 比较操作符映射
     public static final Map<String, IROpCode> CMP = Map.of(
-            "==", IROpCode.CMP_EQ,
-            "!=", IROpCode.CMP_NE,
-            "<",  IROpCode.CMP_LT,
-            ">",  IROpCode.CMP_GT,
-            "<=", IROpCode.CMP_LE,
-            ">=", IROpCode.CMP_GE
+            "==", IROpCode.CMP_LEQ,
+            "!=", IROpCode.CMP_LNE,
+            "<",  IROpCode.CMP_LLT,
+            ">",  IROpCode.CMP_LGT,
+            "<=", IROpCode.CMP_LLE,
+            ">=", IROpCode.CMP_LGE
     );
 }

src/main/java/org/jcnc/snow/compiler/ir/utils/IROpCodeUtils.java

@@ -9,12 +9,12 @@ import java.util.Map;
  */
 public class IROpCodeUtils {
     private static final Map<IROpCode, IROpCode> INVERT = Map.of(
-        IROpCode.CMP_EQ, IROpCode.CMP_NE,
-        IROpCode.CMP_NE, IROpCode.CMP_EQ,
-        IROpCode.CMP_LT, IROpCode.CMP_GE,
-        IROpCode.CMP_GE, IROpCode.CMP_LT,
-        IROpCode.CMP_GT, IROpCode.CMP_LE,
-        IROpCode.CMP_LE, IROpCode.CMP_GT
+        IROpCode.CMP_LEQ, IROpCode.CMP_LNE,
+        IROpCode.CMP_LNE, IROpCode.CMP_LEQ,
+        IROpCode.CMP_LLT, IROpCode.CMP_LGE,
+        IROpCode.CMP_LGE, IROpCode.CMP_LLT,
+        IROpCode.CMP_LGT, IROpCode.CMP_LLE,
+        IROpCode.CMP_LLE, IROpCode.CMP_LGT
     );
 
     /**

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.long64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The LCECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if they are equal, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>If the two integers are equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class LCECommand implements Command {
+    /**
+     * Default constructor for creating an instance of LCECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public LCECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        long b = (long) operandStack.pop();
+        long a = (long) operandStack.pop();
+
+        // If the operands are equal, jump to the target command
+        if (a == b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCGCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.long64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The LCGCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>If the first integer is greater than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class LCGCommand implements Command {
+    /**
+     * Default constructor for creating an instance of LCGCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public LCGCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        long b = (long) operandStack.pop();
+        long a = (long) operandStack.pop();
+
+        // If the first operand is greater than the second, jump to the target command
+        if (a > b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCGECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.long64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The LCGECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is greater than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>If the first integer is greater than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class LCGECommand implements Command {
+    /**
+     * Default constructor for creating an instance of LCGECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public LCGECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        long b = (long) operandStack.pop();
+        long a = (long) operandStack.pop();
+
+        // If the first operand is greater than or equal to the second, jump to the target command
+        if (a >= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCLCommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.long64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The LCLCommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>If the first integer is less than the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class LCLCommand implements Command {
+    /**
+     * Default constructor for creating an instance of LCLCommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public LCLCommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        long b = (long) operandStack.pop();
+        long a = (long) operandStack.pop();
+
+        // If the first operand is less than the second, jump to the target command
+        if (a < b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCLECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.long64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The LCLECommand class implements the {@link Command} interface and represents a conditional jump command in the virtual machine.
+ * This class compares two values from the stack, and if the first value is less than or equal to the second, it jumps to the specified target command.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>If the first integer is less than or equal to the second, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class LCLECommand implements Command {
+    /**
+     * Default constructor for creating an instance of LCLECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public LCLECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        long b = (long) operandStack.pop();
+        long a = (long) operandStack.pop();
+
+        // If the first operand is less than or equal to the second, jump to the target command
+        if (a <= b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/commands/control/long64/LCNECommand.java

@@ -0,0 +1,76 @@
+package org.jcnc.snow.vm.commands.control.long64;
+
+import org.jcnc.snow.vm.interfaces.Command;
+import org.jcnc.snow.vm.module.CallStack;
+import org.jcnc.snow.vm.module.LocalVariableStore;
+import org.jcnc.snow.vm.module.OperandStack;
+import org.jcnc.snow.vm.utils.LoggingUtils;
+
+/**
+ * The LCNECommand class implements the {@link Command} interface and represents a conditional jump command
+ * in the virtual machine that triggers if two values are not equal.
+ *
+ * <p>Specific behavior:</p>
+ * <ul>
+ *     <li>Pops two integers from the virtual machine stack.</li>
+ *     <li>If the two integers are not equal, jumps to the target command.</li>
+ *     <li>Otherwise, the program continues with the next command.</li>
+ * </ul>
+ */
+public class LCNECommand implements Command {
+    /**
+     * Default constructor for creating an instance of LCNECommand.
+     * This constructor is empty as no specific initialization is required.
+     */
+    public LCNECommand() {
+        // Empty constructor
+    }
+
+    /**
+     * Executes the virtual machine instruction's operation.
+     *
+     * <p>This method retrieves the necessary data from the virtual machine stack and local variable store based on the instruction's
+     * specific implementation, performs the operation, and updates the program counter (PC) to reflect the next instruction
+     * to be executed.</p>
+     *
+     * <p>The parameters provided allow the command to manipulate the operand stack, modify the local variables, and control the flow
+     * of execution by updating the program counter.</p>
+     *
+     * <p>The exact behavior of this method will depend on the specific instruction being executed (e.g., arithmetic, branching,
+     * function calls, etc.). For example, a `CALL` instruction will modify the call stack by pushing a new frame,
+     * while a `POP` instruction will remove an item from the operand stack.</p>
+     *
+     * @param parts              The array of instruction parameters, which usually includes the operator and related arguments
+     *                           (such as target addresses, values, or function names). These parameters may vary based on
+     *                           the instruction being executed.
+     * @param currentPC          The current program counter-value, indicating the address of the instruction being executed.
+     *                           This value is typically incremented after the execution of each instruction to point to the next one.
+     * @param operandStack       The virtual machine's operand stack manager, responsible for performing operations on the operand stack,
+     *                           such as pushing, popping, and peeking values.
+     * @param localVariableStore The local variable store, typically used to manage method-local variables during instruction execution.
+     *                           The store may not be used in every command but can be leveraged by instructions that require access
+     *                           to local variables.
+     * @param callStack          The virtual machine's call stack, which keeps track of the method invocation hierarchy. It is used by
+     *                           instructions that involve method calls or returns (such as `CALL` and `RETURN` instructions).
+     * @return The updated program counter-value, typically the current program counter-value incremented by 1, unless the
+     * instruction modifies control flow (such as a `JUMP` or `CALL`), in which case it may return a new address
+     * corresponding to the target of the jump or the subroutine to call.
+     */
+    @Override
+    public int execute(String[] parts, int currentPC, OperandStack operandStack, LocalVariableStore localVariableStore, CallStack callStack) {
+        // Parse the target command address
+        int target = Integer.parseInt(parts[1]);
+
+        // Pop the two operands from the stack
+        long b = (long) operandStack.pop();
+        long a = (long) operandStack.pop();
+
+        // If the operands are not equal, jump to the target command
+        if (a != b) {
+            LoggingUtils.logInfo("Jumping to command", String.valueOf(target));
+            return target;
+        }
+
+        return currentPC + 1;
+    }
+}

src/main/java/org/jcnc/snow/vm/engine/VMOpCode.java

@@ -1101,6 +1101,7 @@ public class VMOpCode {
 
 
     // 3. Control Flow Operations (91–110)
+    // 3.1 JUMP (91-91)
     /**
      * JUMP Opcode: Represents an unconditional jump to a target instruction address.
      * <p>This opcode is implemented by the {@link JumpCommand} class, which defines its specific execution logic.</p>
@@ -1120,6 +1121,7 @@ public class VMOpCode {
      * </ul>
      */
     public static final int JUMP = 91;
+    // 3.2 int32 (92-97)
     /**
      * IC_E Opcode: Represents a conditional jump based on int32 equality.
      * <p>This opcode is implemented by the {@link ICECommand} class, which defines its specific execution logic.</p>
@@ -1246,6 +1248,133 @@ public class VMOpCode {
      * </ul>
      */
     public static final int IC_LE = 97;
+    // 3.3 long64 (98-103)
+    /**
+     * LC_E Opcode: Represents a conditional jump based on long64 equality.
+     * <p>This opcode is implemented by the {@link ICECommand} class, which defines its specific execution logic.</p>
+     *
+     * <p>Execution Steps:</p>
+     * <ol>
+     *     <li>Parses the target instruction address from the instruction parameters.</li>
+     *     <li>Pops two long64 values from the operand stack.</li>
+     *     <li>Compares the two long64s for equality.</li>
+     *     <li>If the long64s are equal, updates the program counter (PC) to the specified target address,
+     *         effectively jumping to the target instruction.</li>
+     *     <li>If the long64s are not equal, increments the program counter to proceed with the next sequential instruction.</li>
+     * </ol>
+     *
+     * <p>This opcode is commonly used for:</p>
+     * <ul>
+     *     <li>Conditional branching in virtual machine execution based on long64 comparison.</li>
+     *     <li>Implementing control flow structures such as if-statements and loops.</li>
+     * </ul>
+     */
+    public static final int LC_E = 98;
+    /**
+     * LC_NE Opcode: Represents a conditional jump based on long64 inequality.
+     * <p>This opcode is implemented by the {@link ICNECommand} class, which defines its specific execution logic.</p>
+     *
+     * <p>Execution Steps:</p>
+     * <ol>
+     *     <li>Parses the target instruction address from the instruction parameters.</li>
+     *     <li>Pops two long64 values from the operand stack.</li>
+     *     <li>Compares the two long64s for inequality.</li>
+     *     <li>If the long64s are not equal, updates the program counter (PC) to the specified target address,
+     *         effectively jumping to the target instruction.</li>
+     *     <li>If the long64s are equal, increments the program counter to proceed with the next sequential instruction.</li>
+     * </ol>
+     *
+     * <p>This opcode is commonly used for:</p>
+     * <ul>
+     *     <li>Conditional branching in virtual machine execution based on long64 comparison.</li>
+     *     <li>Implementing control flow structures such as conditional loops and if-else statements.</li>
+     * </ul>
+     */
+    public static final int LC_NE = 99;
+    /**
+     * LC_G Opcode: Represents a conditional jump based on long64 comparison (greater than).
+     * <p>This opcode is implemented by the {@link ICGCommand} class, which defines its specific execution logic.</p>
+     *
+     * <p>Execution Steps:</p>
+     * <ol>
+     *     <li>Parses the target instruction address from the instruction parameters.</li>
+     *     <li>Pops two long64 values from the operand stack.</li>
+     *     <li>Compares the first long64 with the second to determine if it is greater.</li>
+     *     <li>If the first long64 is greater than the second, updates the program counter (PC) to the specified target address,
+     *         effectively jumping to the target instruction.</li>
+     *     <li>If the first long64 is not greater than the second, increments the program counter to proceed with the next sequential instruction.</li>
+     * </ol>
+     *
+     * <p>This opcode is commonly used for:</p>
+     * <ul>
+     *     <li>Conditional branching in virtual machine execution based on long64 comparison.</li>
+     *     <li>Implementing control flow structures such as greater-than conditions in loops and conditional statements.</li>
+     * </ul>
+     */
+    public static final int LC_G = 100;
+    /**
+     * LC_GE Opcode: Represents a conditional jump based on long64 comparison (greater than or equal to).
+     * <p>This opcode is implemented by the {@link ICGECommand} class, which defines its specific execution logic.</p>
+     *
+     * <p>Execution Steps:</p>
+     * <ol>
+     *     <li>Parses the target instruction address from the instruction parameters.</li>
+     *     <li>Pops two long64 values from the operand stack.</li>
+     *     <li>Compares the first long64 with the second to determine if it is greater than or equal to the second long64.</li>
+     *     <li>If the first long64 is greater than or equal to the second, updates the program counter (PC) to the specified target address,
+     *         effectively jumping to the target instruction.</li>
+     *     <li>If the first long64 is less than the second, increments the program counter to proceed with the next sequential instruction.</li>
+     * </ol>
+     *
+     * <p>This opcode is commonly used for:</p>
+     * <ul>
+     *     <li>Conditional branching in virtual machine execution based on long64 comparison.</li>
+     *     <li>Implementing control flow structures such as loops, conditional statements, and range checks.</li>
+     * </ul>
+     */
+    public static final int LC_GE = 101;
+    /**
+     * LC_L Opcode: Represents a conditional jump based on long64 comparison (less than).
+     * <p>This opcode is implemented by the {@link ICLCommand} class, which defines its specific execution logic.</p>
+     *
+     * <p>Execution Steps:</p>
+     * <ol>
+     *     <li>Parses the target instruction address from the instruction parameters.</li>
+     *     <li>Pops two long64 values from the operand stack.</li>
+     *     <li>Compares the first long64 with the second to determine if it is less than the second long64.</li>
+     *     <li>If the first long64 is less than the second, updates the program counter (PC) to the specified target address,
+     *         effectively jumping to the target instruction.</li>
+     *     <li>If the first long64 is greater than or equal to the second, increments the program counter to proceed with the next sequential instruction.</li>
+     * </ol>
+     *
+     * <p>This opcode is commonly used for:</p>
+     * <ul>
+     *     <li>Conditional branching in virtual machine execution based on long64 comparison.</li>
+     *     <li>Implementing control flow structures such as loops, conditional statements, and range validations.</li>
+     * </ul>
+     */
+    public static final int LC_L = 102;
+    /**
+     * LC_LE Opcode: Represents a conditional jump based on long64 comparison (less than or equal).
+     * <p>This opcode is implemented by the {@link ICLECommand} class, which defines its specific execution logic.</p>
+     *
+     * <p>Execution Steps:</p>
+     * <ol>
+     *     <li>Parses the target instruction address from the instruction parameters.</li>
+     *     <li>Pops two long64 values from the operand stack.</li>
+     *     <li>Compares the first long64 with the second to determine if it is less than or equal to the second long64.</li>
+     *     <li>If the first long64 is less than or equal to the second, updates the program counter (PC) to the specified target address,
+     *         effectively jumping to the target instruction.</li>
+     *     <li>If the first long64 is greater than the second, increments the program counter to proceed with the next sequential instruction.</li>
+     * </ol>
+     *
+     * <p>This opcode is commonly used for:</p>
+     * <ul>
+     *     <li>Conditional branching in virtual machine execution based on long64 comparison.</li>
+     *     <li>Implementing control flow structures such as loops, conditional statements, and boundary checks.</li>
+     * </ul>
+     */
+    public static final int LC_LE = 103;
 
     // 4.  Stack Operations (111–150)
     // 4.1 PUSH (111-120)

src/main/java/org/jcnc/snow/vm/factories/CommandFactory.java

@@ -16,6 +16,7 @@ import org.jcnc.snow.vm.commands.bitwise.long64.LOrCommand;
 import org.jcnc.snow.vm.commands.bitwise.long64.LXorCommand;
 import org.jcnc.snow.vm.commands.control.all.JumpCommand;
 import org.jcnc.snow.vm.commands.control.int32.*;
+import org.jcnc.snow.vm.commands.control.long64.*;
 import org.jcnc.snow.vm.commands.function.CallCommand;
 import org.jcnc.snow.vm.commands.function.RetCommand;
 import org.jcnc.snow.vm.commands.memory.all.MovCommand;
@@ -142,13 +143,22 @@ public class CommandFactory {
         COMMANDS[VMOpCode.L_XOR] = new LXorCommand();      // 88
 
         // 3. Control Flow Operations (91–110)
+        // 3.1 JUMP (91-91)
         COMMANDS[VMOpCode.JUMP] = new JumpCommand();       // 91
+        // 3.2 int32 (92-97)
         COMMANDS[VMOpCode.IC_E] = new ICECommand();        // 92
         COMMANDS[VMOpCode.IC_NE] = new ICNECommand();      // 93
         COMMANDS[VMOpCode.IC_G] = new ICGCommand();        // 94
         COMMANDS[VMOpCode.IC_GE] = new ICGECommand();      // 95
         COMMANDS[VMOpCode.IC_L] = new ICLCommand();        // 96
         COMMANDS[VMOpCode.IC_LE] = new ICLECommand();      // 97
+        // 3.3 long64 (98-103)
+        COMMANDS[VMOpCode.LC_E] = new LCECommand();        // 98
+        COMMANDS[VMOpCode.LC_NE] = new LCNECommand();      // 99
+        COMMANDS[VMOpCode.LC_G] = new LCGCommand();        // 100
+        COMMANDS[VMOpCode.LC_GE] = new LCGECommand();      // 101
+        COMMANDS[VMOpCode.LC_L] = new LCLCommand();        // 102
+        COMMANDS[VMOpCode.LC_LE] = new LCLECommand();      // 103
 
         // 4.  Stack Operations (111–150)
         // 4.1 PUSH (111-120)