diff --git a/generators/x86_64.py b/generators/x86_64.py
index de1f285..b587227 100644
--- a/generators/x86_64.py
+++ b/generators/x86_64.py
@@ -402,8 +402,7 @@ class X86_64Generator(Generator):
 				self.change_variable(var_name, "rax")
 
 		else:
-			self.lines.append("; FUCK\n\t")
-			#raise NotImplementedError(f"A generate method hasn't been made for the \"{node.instruction}\" instruction.")
+			raise NotImplementedError(f"A generate method hasn't been made for the \"{node.instruction}\" instruction.")
 
 	
 	
diff --git a/optimizers/optimizer.py b/optimizers/optimizer.py
index 00ee9cf..c144e52 100644
--- a/optimizers/optimizer.py
+++ b/optimizers/optimizer.py
@@ -21,7 +21,7 @@ class Optimizer:
 		self.rules: list[PeepholeRule] = []
 
 	def match_instruction(self, pattern: Instruction, instr: Instruction, bindings: Dict[str, str]) -> bool:
-		#print(pattern.opcode == instr.opcode, instr.opcode, instr.operands, pattern.opcode)
+		print(pattern.opcode == instr.opcode, instr.opcode, instr.operands, pattern.opcode)
 		if pattern.opcode != instr.opcode:
 			return False
 		if len(pattern.operands) != len(instr.operands):
@@ -37,6 +37,7 @@ class Optimizer:
 			else:
 				if p_op != i_op:
 					return False
+		
 		return True
 
 	def match_window(self, patterns: List[Instruction], window: List[Instruction]) -> Union[Dict[str, str], None]:
@@ -88,6 +89,7 @@ class Optimizer:
 					matched = True
 					break
 			if not matched:
+				print('next')
 				i += 1
 		
 		self.lines = [f"{line.opcode} {', '.join(line.operands)}\n" for line in self.lines]
diff --git a/optimizers/x86_64.py b/optimizers/x86_64.py
index 9c504ee..48c2f82 100644
--- a/optimizers/x86_64.py
+++ b/optimizers/x86_64.py
@@ -124,13 +124,13 @@ class X86_64Optimizer(Optimizer):
 
 			PeepholeRule(
 				match=[
-					Instruction("mov", ["a", "b"]),
-					Instruction("mov", ["c", "d"]),
-					Instruction("cmp", ["a", "d"])
+					Instruction("mov", ["rax", "y"]),
+					Instruction("mov", ["rbx", "x"]),
+					Instruction("cmp", ["rax", "rbx"])
 				],
 				replace=[
-					Instruction("mov", ["c", "d"]),
-					Instruction("cmp", ["b", "c"])
+					Instruction("mov", ["rax", "y"]),
+					Instruction("cmp", ["rax", "x"])
 				]
 			)
 		]
\ No newline at end of file
diff --git a/out b/out
index b0bed4d..878b3e5 100644
Binary files a/out and b/out differ
diff --git a/out.asm b/out.asm
index 012f102..18a8f72 100644
--- a/out.asm
+++ b/out.asm
@@ -5,15 +5,11 @@ section .text
 global _start
 _start: 
 push 0
-push 1
-.loop: 
-mov rax, [rsp + 8]
-add rax, 1
-mov QWORD [rsp + 8], rax
-mov rax, 100000000
-mov rbx, [rsp + 8]
-cmp rax, rbx
-jg .loop
+mov rax, 1000
+cmp rax, [rsp + 0]
+setg al
+movzx rax, al
+push rax
 mov rax, 60
-mov rdi, [rsp + 8]
+mov rdi, [rsp + 0]
 syscall 
diff --git a/test2.grnd b/test2.grnd
index 573e90f..b3e36af 100644
--- a/test2.grnd
+++ b/test2.grnd
@@ -1,7 +1,3 @@
 set &var 0
-set &cond true
-@loop
-add $var 1 &var
-greater 100000000 $var &cond
-if $cond %loop
-end $var
\ No newline at end of file
+greater 1000 $var &cond
+end $cond
\ No newline at end of file