rdpru, 0, 0x0f01fd, None, 3, CpuRDPRU, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
// RDPRU instruction end
+
+// SERIALIZE instruction.
+
+serialize, 0, 0x0f01e8, None, 3, CpuSERIALIZE, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
+
+// SERIALIZE instruction end.
+
+// TSXLDTRK instructions.
+
+xsuspldtrk, 0, 0xf20f01e8, None, 3, CpuTSXLDTRK, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
+xresldtrk, 0, 0xf20f01e9, None, 3, CpuTSXLDTRK, No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
+
+// TSXLDTRK instructions end.