| bits 64 | |
| add [rax], dword 4 ; illegal; must use dword [eax], 4 | |
| add [rax], strict dword 4 ; illegal; must use dword [eax], strict dword 4 | |
| add [rax], qword 4 ; illegal; must use qword [rax], 4 | |
| add [rax], strict qword 4 ; illegal; must use qword [eax], strict dword 4 |