1// RUN: not llvm-mc -triple x86_64-unknown-unknown --show-encoding %s 2>&1 | FileCheck %s 2 3// CHECK: error: can't encode 'dh' in an instruction requiring REX prefix 4movzx %dh, %rsi 5 6// CHECK: error: can't encode 'ah' in an instruction requiring REX prefix 7movzx %ah, %r8d 8 9// CHECK: error: can't encode 'bh' in an instruction requiring REX prefix 10add %bh, %sil 11 12// CHECK: error: can't encode 'ch' in an instruction requiring REX prefix 13mov %ch, (%r8) 14 15// CHECK: error: can't encode 'dh' in an instruction requiring REX prefix 16mov %dh, (%rax,%r8) 17