diff --git a/test/imm64.asm b/test/imm64.asm
new file mode 100644
index 00000000..ac50c624
--- /dev/null
+++ b/test/imm64.asm
@@ -0,0 +1,7 @@
+	bits 64
+	mov rax,11223344h
+	mov rax,dword 11223344h
+	mov eax,11223344h
+	mov [rax],dword 11223344h		; 32-bit operation
+	mov qword [rax],11223344h
+	mov qword [rax],dword 11223344h