Add test_isel

diff --git a/src/soc/fu/cr/test/test_pipe_caller.py b/src/soc/fu/cr/test/test_pipe_caller.py
index 1f2a183e4ba22e487fb04e619e76fee6e95c5af8..949238b7372d44e2e806fa9a8e7b31b5aa07b388 100644 (file)
--- a/src/soc/fu/cr/test/test_pipe_caller.py
+++ b/src/soc/fu/cr/test/test_pipe_caller.py
@@ -125,6 +125,18 @@ class CRTestCase(FHDLTestCase):
             cr = random.randint(0, (1<<32)-1)
             self.run_tst_program(Program(lst), initial_cr=cr)
 
+    def test_isel(self):
+        for i in range(20):
+            bc = random.randint(0, 31)
+            lst = [f"isel 1, 2, 3, {bc}"]
+            cr = random.randint(0, (1<<32)-1)
+            initial_regs = [0] * 32
+            initial_regs[2] = random.randint(0, (1<<64)-1)
+            initial_regs[3] = random.randint(0, (1<<64)-1)
+            self.run_tst_program(Program(lst), initial_cr=cr)
+
+            
+
     def test_ilang(self):
         pspec = CRPipeSpec(id_wid=2)
         alu = CRBasePipe(pspec)