1 //===-- X86InstrMPX.td - MPX Instruction Set ---------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the X86 MPX instruction set, defining the
11 // instructions, and properties of the instructions which are needed for code
12 // generation, machine code emission, and analysis.
14 //===----------------------------------------------------------------------===//
16 multiclass mpx_bound_make<bits<8> opc, string OpcodeStr> {
17 def 32rm: I<opc, MRMSrcMem, (outs BNDR:$dst), (ins i32mem:$src),
18 OpcodeStr#" \t{$src, $dst|$dst, $src}", []>,
19 Requires<[HasMPX, Not64BitMode]>;
20 def 64rm: RI<opc, MRMSrcMem, (outs BNDR:$dst), (ins i64mem:$src),
21 OpcodeStr#" \t{$src, $dst|$dst, $src}", []>,
22 Requires<[HasMPX, In64BitMode]>;
25 defm BNDMK : mpx_bound_make<0x1B, "bndmk">, XS;
27 multiclass mpx_bound_check<bits<8> opc, string OpcodeStr> {
28 def 32rm: I<opc, MRMSrcMem, (outs), (ins BNDR:$src1, i32mem:$src2),
29 OpcodeStr#" \t{$src2, $src1|$src1, $src2}", []>,
30 Requires<[HasMPX, Not64BitMode]>;
31 def 64rm: RI<opc, MRMSrcMem, (outs), (ins BNDR:$src1, i64mem:$src2),
32 OpcodeStr#" \t{$src2, $src1|$src1, $src2}", []>,
33 Requires<[HasMPX, In64BitMode]>;
34 def 32rr: I<opc, MRMSrcReg, (outs), (ins BNDR:$src1, GR32:$src2),
35 OpcodeStr#" \t{$src2, $src1|$src1, $src2}", []>,
36 Requires<[HasMPX, Not64BitMode]>;
37 def 64rr: RI<opc, MRMSrcReg, (outs), (ins BNDR:$src1, GR64:$src2),
38 OpcodeStr#" \t{$src2, $src1|$src1, $src2}", []>,
39 Requires<[HasMPX, In64BitMode]>;
41 defm BNDCL : mpx_bound_check<0x1A, "bndcl">, XS;
42 defm BNDCU : mpx_bound_check<0x1A, "bndcu">, XD;
43 defm BNDCN : mpx_bound_check<0x1B, "bndcn">, XD;
45 def BNDMOVRMrr : I<0x1A, MRMSrcReg, (outs BNDR:$dst), (ins BNDR:$src),
46 "bndmov \t{$src, $dst|$dst, $src}", []>, PD,
48 def BNDMOVRM32rm : I<0x1A, MRMSrcMem, (outs BNDR:$dst), (ins i64mem:$src),
49 "bndmov \t{$src, $dst|$dst, $src}", []>, PD,
50 Requires<[HasMPX, Not64BitMode]>;
51 def BNDMOVRM64rm : RI<0x1A, MRMSrcMem, (outs BNDR:$dst), (ins i128mem:$src),
52 "bndmov \t{$src, $dst|$dst, $src}", []>, PD,
53 Requires<[HasMPX, In64BitMode]>;
55 def BNDMOVMRrr : I<0x1B, MRMDestReg, (outs BNDR:$dst), (ins BNDR:$src),
56 "bndmov \t{$src, $dst|$dst, $src}", []>, PD,
58 def BNDMOVMR32mr : I<0x1B, MRMDestMem, (outs i64mem:$dst), (ins BNDR:$src),
59 "bndmov \t{$src, $dst|$dst, $src}", []>, PD,
60 Requires<[HasMPX, Not64BitMode]>;
61 def BNDMOVMR64mr : RI<0x1B, MRMDestMem, (outs i128mem:$dst), (ins BNDR:$src),
62 "bndmov \t{$src, $dst|$dst, $src}", []>, PD,
63 Requires<[HasMPX, In64BitMode]>;
65 def BNDSTXmr: I<0x1B, MRMDestMem, (outs), (ins i64mem:$dst, BNDR:$src),
66 "bndstx \t{$src, $dst|$dst, $src}", []>, TB,
68 def BNDLDXrm: I<0x1A, MRMSrcMem, (outs BNDR:$dst), (ins i64mem:$src),
69 "bndldx \t{$src, $dst|$dst, $src}", []>, TB,