diff --git a/bench/tests/op/li.s b/bench/tests/op/li.s
new file mode 100644
index 0000000..a29f314
--- /dev/null
+++ b/bench/tests/op/li.s
@@ -0,0 +1,9 @@
+# exepected: 1234567890ABCDEF, 00000000FFFFFFFF
+
+# li is a PSEUDO-INSTRUCTION.
+# This test makes sure we can reliably load 64bit words
+# into the processor as it is essential for all other tests
+    .text
+_start:
+    li x31, 0x1234567890ABCDEF
+    li x31, 0x00000000FFFFFFFF