summaryrefslogtreecommitdiff
path: root/lib/Target/X86/X86InstrTSX.td
blob: 4940efc4443d62a08d805bc3d7bf29204e7e4995 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
//===-- 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

def X86xtest: SDNode<"X86ISD::XTEST", SDTypeProfile<1, 0, [SDTCisVT<0, i32>]>,
                     [SDNPHasChain, SDNPSideEffect]>;

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", []>, Requires<[HasRTM]>;

def XEND : I<0x01, MRM_D5, (outs), (ins),
             "xend", [(int_x86_xend)]>, TB, Requires<[HasRTM]>;

let Defs = [EFLAGS] in
def XTEST : I<0x01, MRM_D6, (outs), (ins),
              "xtest", [(set EFLAGS, (X86xtest))]>, TB, Requires<[HasTSX]>;

def XABORT : Ii8<0xc6, MRM_F8, (outs), (ins i8imm:$imm),
                 "xabort\t$imm",
                 [(int_x86_xabort imm:$imm)]>, Requires<[HasRTM]>;

// HLE prefixes

let isAsmParserOnly = 1 in {
def XACQUIRE_PREFIX : I<0xF2, RawFrm, (outs), (ins), "xacquire", []>, Requires<[HasHLE]>;
def XRELEASE_PREFIX : I<0xF3, RawFrm, (outs), (ins), "xrelease", []>, Requires<[HasHLE]>;
}