more loop tests

asm/creole.py

@@ -125,7 +125,7 @@ class TypecheckLenException(Exception):
 		self.argtypelen = argtypelen
 	def __str__(self):
 		return f'''\
-arguments {insargs} to opcode {self.opcode} not of length {self.argtypelen}\
+arguments {self.insargs} to opcode {self.opcode} not of length {self.argtypelen}\
 '''
 class TypecheckException(Exception):
 	""" Exception thrown when an argument to an instruction are of the

asm/test.py

@@ -338,6 +338,58 @@ class LabelTest(unittest.TestCase):
 		self.assertEqual(ex.getreg(0), 0)
 		self.assertEqual(ex.getreg(1), 30)
 
+	def test_signed_jmp(self):
+		p = Program()
+		p.parse_lines([
+			"mov r0 30",
+			"mov r1 0",
+			"CLB l0",
+			"add r0 r0 -1",
+			"add r1 r1 1",
+			"jls l0 -30 r0"
+		])
+		ex = ffi.Environment(p())
+		self.assertEqual(ex(), ffi.RunRet.STOP)
+		self.assertEqual(ex.getreg(0, signed=True), -30)
+		self.assertEqual(ex.getreg(1), 60)
+
+	def test_jeq(self):
+		p = Program()
+		p.parse_lines([
+			"mov r0 50",
+			"mov r1 0",
+			"CLB l0",
+			"add r1 r1 1",
+			"mul r2 r0 -1",
+			"add r2 r2 r1",
+			"jne l0 r2 0"
+		])
+		ex = ffi.Environment(p())
+		self.assertEqual(ex(), ffi.RunRet.STOP)
+		self.assertEqual(ex.getreg(0, signed=True), 50)
+		self.assertEqual(ex.getreg(1), 50)
+		self.assertEqual(ex.getreg(2), 0)
+
+	def test_nested_loop(self):
+		p = Program()
+		p.parse_lines([
+			"mov r0 0", # outer loop counter
+			"mov r2 0", # total iteration counter
+			"CLB l0",
+			"mov r1 0", # inner loop counter
+			"CLB l1",
+			"add r1 r1 1",
+			"add r2 r2 1",
+			"jl l1 r1 50",
+			"add r0 r0 1",
+			"jl l0 r0 50"
+		])
+		ex = ffi.Environment(p())
+		self.assertEqual(ex(), ffi.RunRet.STOP)
+		self.assertEqual(ex.getreg(0), 50)
+		self.assertEqual(ex.getreg(1), 50)
+		self.assertEqual(ex.getreg(2), 50*50)
+
 class ProgramTest(unittest.TestCase):
 	def test_exec_simple_reg(self):
 		p = Program()
@@ -359,6 +411,7 @@ class ProgramTest(unittest.TestCase):
 			self.assertEqual(ex(), ffi.RunRet.STOP)
 			self.assertEqual(ex.getreg(0, signed=sgn), i)
 
+	@unittest.skip("slow")
 	def test_parse_imm_compile(self):
 		self.range_test(0, 0x1000)
 		self.range_test(0x1000, 0x1100)
@@ -370,6 +423,7 @@ class ProgramTest(unittest.TestCase):
 		self.range_test(0x8000000, 0x8000100)
 		self.range_test(0xFFFFFF00, 0x100000000)
 
+	@unittest.skip("slow")
 	def test_parse_imm_signed(self):
 		self.range_test(0, 0x1000, sgn=True)
 		self.range_test(0x1000, 0x1100, sgn=True)