llvm-project/llvm/lib/Target/X86/X86InstrTSX.td

33 lines
1.2 KiB
TableGen

//===-- X86InstrVMX.td - TSX Instruction Set Extension -----*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the instructions that make up the Intel TSX instruction
// set.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// TSX instructions
let usesCustomInserter = 1 in
def XBEGIN : I<0, Pseudo, (outs GR32:$dst), (ins),
"# XBEGIN", [(set GR32:$dst, (int_x86_xbegin))]>,
Requires<[HasRTM]>;
let isBranch = 1, isTerminator = 1, Defs = [EAX] in
def XBEGIN_4 : Ii32PCRel<0xc7, MRM_F8, (outs), (ins brtarget:$dst),
"xbegin\t$dst", []>;
def XEND : I<0x01, MRM_D5, (outs), (ins),
"xend", [(int_x86_xend)]>, TB, Requires<[HasRTM]>;
def XABORT : Ii8<0xc6, MRM_F8, (outs), (ins i8imm:$imm),
"xabort\t$imm",
[(int_x86_xabort imm:$imm)]>, Requires<[HasRTM]>;