{"lock", 0, 0xf0, X, 0, NoSuf|IsPrefix, { 0, 0, 0} },
{"wait", 0, 0x9b, X, 0, NoSuf|IsPrefix, { 0, 0, 0} },
#define CS_PREFIX_OPCODE 0x2e
-{"cs", 0, 0x2e, X, CpuNo64, NoSuf|IsPrefix, { 0, 0, 0} },
+{"cs", 0, 0x2e, X, 0, NoSuf|IsPrefix, { 0, 0, 0} },
#define DS_PREFIX_OPCODE 0x3e
-{"ds", 0, 0x3e, X, CpuNo64, NoSuf|IsPrefix, { 0, 0, 0} },
+{"ds", 0, 0x3e, X, 0, NoSuf|IsPrefix, { 0, 0, 0} },
#define ES_PREFIX_OPCODE 0x26
{"es", 0, 0x26, X, CpuNo64, NoSuf|IsPrefix, { 0, 0, 0} },
#define FS_PREFIX_OPCODE 0x64