| .text |
| # All the following should be illegal for x86-64 |
| calll *%eax # 32-bit data size not allowed |
| calll *(%ax) # 32-bit data size not allowed |
| calll *(%eax) # 32-bit data size not allowed |
| calll *(%r8) # 32-bit data size not allowed |
| calll *(%rax) # 32-bit data size not allowed |
| callq *(%ax) # 32-bit data size not allowed |
| callw *(%ax) # no 16-bit addressing |
| foo: jcxz foo # No prefix exists to select CX as a counter |
| popl %eax # can't have 32-bit stack operands |
| pushl %eax # can't have 32-bit stack operands |
| pushfl # can't have 32-bit stack operands |
| popfl # can't have 32-bit stack operands |
