// PR10345
// CHECK: xchgl %eax, %eax
-// CHECK: encoding: [0x87,0xc0]
+// CHECK: encoding: [0x90]
xchgl %eax, %eax
// CHECK: xchgw %ax, %ax
-// CHECK: encoding: [0x66,0x87,0xc0]
+// CHECK: encoding: [0x66,0x90]
xchgw %ax, %ax
// CHECK: xchgl %ecx, %eax