//===-- X86InstrSNP.td - SNP Instruction Set Extension -----*- tablegen -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file describes the instructions that make up the AMD Secure Nested // Paging (SNP) instruction set. // //===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===// // SNP instructions let SchedRW = [WriteSystem] in { // F3 0F 01 FF let Uses = [RAX] in def PSMASH: I<0x01, MRM_FF, (outs), (ins), "psmash", []>, XS, Requires<[In64BitMode]>; // F2 0F 01 FF let Uses = [RAX] in def PVALIDATE64: I<0x01, MRM_FF, (outs), (ins), "pvalidate",[]>, XD, Requires<[In64BitMode]>; let Uses = [EAX] in def PVALIDATE32: I<0x01, MRM_FF, (outs), (ins), "pvalidate",[]>, XD, Requires<[Not64BitMode]>; // F2 0F 01 FE let Uses = [RAX] in def RMPUPDATE: I<0x01, MRM_FE, (outs), (ins), "rmpupdate", []>, XD, Requires<[In64BitMode]>; // F3 0F 01 FE let Uses = [RAX] in def RMPADJUST: I<0x01, MRM_FE, (outs), (ins), "rmpadjust", []>, XS, Requires<[In64BitMode]>; } // SchedRW def : InstAlias<"psmash\t{%rax|rax}", (PSMASH)>, Requires<[In64BitMode]>; def : InstAlias<"pvalidate\t{%rax|rax}", (PVALIDATE64)>, Requires<[In64BitMode]>; def : InstAlias<"pvalidate\t{%eax|eax}", (PVALIDATE32)>, Requires<[Not64BitMode]>; def : InstAlias<"rmpupdate\t{%rax|rax}", (RMPUPDATE)>, Requires<[In64BitMode]>; def : InstAlias<"rmpadjust\t{%rax|rax}", (RMPADJUST)>, Requires<[In64BitMode]>;