--- /dev/null
+# Check illegal movbe in 64bit mode.
+ .text
+foo:
+ movbe (%rcx),%bl
+ movbe %ecx,%ebx
+ movbe %bx,%rcx
+ movbe %rbx,%rcx
+ movbe %bl,(%rcx)
+
+ .intel_syntax noprefix
+ movbe bl, byte ptr [rcx]
+ movbe ebx, ecx
+ movbe rcx, bx
+ movbe rcx, rbx
+ movbe byte ptr [rcx], bl