; RUN: not llvm-ml -m64 -filetype=s %s /Fo /dev/null 2>&1 | FileCheck %s .code mov word ptr al, ax ; CHECK: [[#@LINE-1]]:14: error: 8-bit register 'AL' cannot be used as a 16-bit WORD mov dword ptr al, eax ; CHECK: [[#@LINE-1]]:15: error: 8-bit register 'AL' cannot be used as a 32-bit DWORD mov qword ptr al, rax ; CHECK: [[#@LINE-1]]:15: error: 8-bit register 'AL' cannot be used as a 64-bit QWORD mov byte ptr ax, al ; CHECK: [[#@LINE-1]]:14: error: 16-bit register 'AX' cannot be used as a 8-bit BYTE mov dword ptr ax, eax ; CHECK: [[#@LINE-1]]:15: error: 16-bit register 'AX' cannot be used as a 32-bit DWORD mov qword ptr ax, rax ; CHECK: [[#@LINE-1]]:15: error: 16-bit register 'AX' cannot be used as a 64-bit QWORD mov byte ptr eax, al ; CHECK: [[#@LINE-1]]:14: error: 32-bit register 'EAX' cannot be used as a 8-bit BYTE mov word ptr eax, ax ; CHECK: [[#@LINE-1]]:14: error: 32-bit register 'EAX' cannot be used as a 16-bit WORD mov qword ptr eax, rax ; CHECK: [[#@LINE-1]]:15: error: 32-bit register 'EAX' cannot be used as a 64-bit QWORD mov byte ptr rax, al ; CHECK: [[#@LINE-1]]:14: error: 64-bit register 'RAX' cannot be used as a 8-bit BYTE mov word ptr rax, ax ; CHECK: [[#@LINE-1]]:14: error: 64-bit register 'RAX' cannot be used as a 16-bit WORD mov dword ptr rax, eax ; CHECK: [[#@LINE-1]]:15: error: 64-bit register 'RAX' cannot be used as a 32-bit DWORD END