2 # All the following should be illegal for x86-64
3 calll
*%eax
# 32-bit data size not allowed
4 calll
*(%ax
) # 32-bit data size not allowed
5 calll
*(%eax
) # 32-bit data size not allowed
6 calll
*(%r8) # 32-bit data size not allowed
7 calll
*(%rax
) # 32-bit data size not allowed
8 callq
*(%ax
) # 32-bit data size not allowed
9 callw
*(%ax
) # no 16-bit addressing
10 foo
: jcxz foo
# No prefix exists to select CX as a counter
11 popl
%eax
# can't have 32-bit stack operands
12 pushl
%eax
# can't have 32-bit stack operands
13 pushfl
# can't have 32-bit stack operands
14 popfl
# can't have 32-bit stack operands
