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//===- X86InstrTDX.td - TDX 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 Intel TDX instruction
// set.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// TDX instructions
// 64-bit only instructions
let SchedRW = [WriteSystem], Predicates = [In64BitMode] in {
// SEAMCALL - Call to SEAM VMX-root Operation Module
def SEAMCALL : I<0x01, MRM_CF, (outs), (ins),
"seamcall", []>, PD;
// SEAMRET - Return to Legacy VMX-root Operation
def SEAMRET : I<0x01, MRM_CD, (outs), (ins),
"seamret", []>, PD;
// SEAMOPS - SEAM Operations
def SEAMOPS : I<0x01, MRM_CE, (outs), (ins),
"seamops", []>, PD;
} // SchedRW
// common instructions
let SchedRW = [WriteSystem] in {
// TDCALL - Call SEAM Module Functions
def TDCALL : I<0x01, MRM_CC, (outs), (ins),
"tdcall", []>, PD;
} // SchedRW
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