// 32: error: invalid segment register
// 64: error: invalid segment register
movl %eax:0x00, %ebx
+
+// 32: error: invalid operand for instruction
+// 64: error: invalid operand for instruction
+cmpps $-129, %xmm0, %xmm0
+
+// 32: error: invalid operand for instruction
+// 64: error: invalid operand for instruction
+cmppd $256, %xmm0, %xmm0
+
+// 32: error: instruction requires: 64-bit mode
+jrcxz 1
+
+// 64: error: instruction requires: Not 64-bit mode
+jcxz 1