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1//=-   MicroMips64r6InstrFormats.td - Instruction Formats  -*- tablegen -*  -=//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file describes microMIPS64r6 instruction formats.
11//
12//===----------------------------------------------------------------------===//
13
14class DAUI_FM_MMR6 {
15  bits<5> rt;
16  bits<5> rs;
17  bits<16> imm;
18
19  bits<32> Inst;
20
21  let Inst{31-26} = 0b111100;
22  let Inst{25-21} = rt;
23  let Inst{20-16} = rs;
24  let Inst{15-0}  = imm;
25}
26
27class POOL32I_ADD_IMM_FM_MMR6<bits<5> funct> {
28  bits<5> rs;
29  bits<16> imm;
30
31  bits<32> Inst;
32
33  let Inst{31-26} = 0b010000;
34  let Inst{25-21} = funct;
35  let Inst{20-16} = rs;
36  let Inst{15-0} = imm;
37}
38
39class POOL32S_EXTBITS_FM_MMR6<bits<6> funct> {
40  bits<5> rt;
41  bits<5> rs;
42  bits<5> size;
43  bits<5> pos;
44
45  bits<32> Inst;
46
47  let Inst{31-26} = 0b010110;
48  let Inst{25-21} = rt;
49  let Inst{20-16} = rs;
50  let Inst{15-11} = size;
51  let Inst{10-6}  = pos;
52  let Inst{5-0}   = funct;
53}
54
55class POOL32S_DALIGN_FM_MMR6 {
56  bits<5> rs;
57  bits<5> rt;
58  bits<5> rd;
59  bits<3> bp;
60
61  bits<32> Inst;
62
63  let Inst{31-26} = 0b010110;
64  let Inst{25-21} = rs;
65  let Inst{20-16} = rt;
66  let Inst{15-11} = rd;
67  let Inst{10-8}  = bp;
68  let Inst{7-6}   = 0b00;
69  let Inst{5-0}   = 0b011100;
70}
71
72class POOL32A_DIVMOD_FM_MMR6<string instr_asm, bits<9> funct>
73    : MMR6Arch<instr_asm> {
74  bits<5> rd;
75  bits<5> rs;
76  bits<5> rt;
77
78  bits<32> Inst;
79
80  let Inst{31-26} = 0b010110;
81  let Inst{25-21} = rd;
82  let Inst{20-16} = rs;
83  let Inst{15-11} = rt;
84  let Inst{10-9}  = 0b00;
85  let Inst{8-0}  = funct;
86}
87