1 //===-- XCoreInstrFormats.td - XCore Instruction Formats ---*- 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 //===----------------------------------------------------------------------===//
11 // Instruction format superclass
12 //===----------------------------------------------------------------------===//
13 class InstXCore<int sz, dag outs, dag ins, string asmstr, list<dag> pattern>
17 let Namespace = "XCore";
18 dag OutOperandList = outs;
19 dag InOperandList = ins;
20 let AsmString = asmstr;
21 let Pattern = pattern;
23 field bits<32> SoftFail = 0;
26 // XCore pseudo instructions format
27 class PseudoInstXCore<dag outs, dag ins, string asmstr, list<dag> pattern>
28 : InstXCore<0, outs, ins, asmstr, pattern> {
32 //===----------------------------------------------------------------------===//
33 // Instruction formats
34 //===----------------------------------------------------------------------===//
36 class _F3R<bits<5> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
37 : InstXCore<2, outs, ins, asmstr, pattern> {
38 let Inst{15-11} = opc;
39 let DecoderMethod = "Decode3RInstruction";
42 class _FL3R<bits<9> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
43 : InstXCore<4, outs, ins, asmstr, pattern> {
44 let Inst{31-27} = opc{8-4};
45 let Inst{26-20} = 0b1111110;
46 let Inst{19-16} = opc{3-0};
48 let Inst{15-11} = 0b11111;
49 let DecoderMethod = "DecodeL3RInstruction";
52 // L3R with first operand as both a source and a destination.
53 class _FL3RSrcDst<bits<9> opc, dag outs, dag ins, string asmstr,
54 list<dag> pattern> : _FL3R<opc, outs, ins, asmstr, pattern> {
55 let DecoderMethod = "DecodeL3RSrcDstInstruction";
58 class _F2RUS<bits<5> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
59 : InstXCore<2, outs, ins, asmstr, pattern> {
60 let Inst{15-11} = opc;
61 let DecoderMethod = "Decode2RUSInstruction";
64 // 2RUS with bitp operand
65 class _F2RUSBitp<bits<5> opc, dag outs, dag ins, string asmstr,
67 : _F2RUS<opc, outs, ins, asmstr, pattern> {
68 let DecoderMethod = "Decode2RUSBitpInstruction";
71 class _FL2RUS<dag outs, dag ins, string asmstr, list<dag> pattern>
72 : InstXCore<4, outs, ins, asmstr, pattern> {
75 class _FRU6<dag outs, dag ins, string asmstr, list<dag> pattern>
76 : InstXCore<2, outs, ins, asmstr, pattern> {
79 class _FLRU6<dag outs, dag ins, string asmstr, list<dag> pattern>
80 : InstXCore<4, outs, ins, asmstr, pattern> {
83 class _FU6<dag outs, dag ins, string asmstr, list<dag> pattern>
84 : InstXCore<2, outs, ins, asmstr, pattern> {
87 class _FLU6<dag outs, dag ins, string asmstr, list<dag> pattern>
88 : InstXCore<4, outs, ins, asmstr, pattern> {
91 class _FU10<dag outs, dag ins, string asmstr, list<dag> pattern>
92 : InstXCore<2, outs, ins, asmstr, pattern> {
95 class _FLU10<dag outs, dag ins, string asmstr, list<dag> pattern>
96 : InstXCore<4, outs, ins, asmstr, pattern> {
99 class _F2R<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
100 : InstXCore<2, outs, ins, asmstr, pattern> {
101 let Inst{15-11} = opc{5-1};
102 let Inst{4} = opc{0};
103 let DecoderMethod = "Decode2RInstruction";
106 // 2R with first operand as both a source and a destination.
107 class _F2RSrcDst<bits<6> opc, dag outs, dag ins, string asmstr,
108 list<dag> pattern> : _F2R<opc, outs, ins, asmstr, pattern> {
109 let DecoderMethod = "Decode2RSrcDstInstruction";
112 // Same as 2R with last two operands swapped
113 class _FR2R<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
114 : _F2R<opc, outs, ins, asmstr, pattern> {
115 let DecoderMethod = "DecodeR2RInstruction";
118 class _FRUS<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
119 : InstXCore<2, outs, ins, asmstr, pattern> {
120 let Inst{15-11} = opc{5-1};
121 let Inst{4} = opc{0};
122 let DecoderMethod = "DecodeRUSInstruction";
125 // RUS with bitp operand
126 class _FRUSBitp<bits<6> opc, dag outs, dag ins, string asmstr,
128 : _FRUS<opc, outs, ins, asmstr, pattern> {
129 let DecoderMethod = "DecodeRUSBitpInstruction";
132 // RUS with first operand as both a source and a destination and a bitp second
134 class _FRUSSrcDstBitp<bits<6> opc, dag outs, dag ins, string asmstr,
136 : _FRUS<opc, outs, ins, asmstr, pattern> {
137 let DecoderMethod = "DecodeRUSSrcDstBitpInstruction";
140 class _FL2R<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
141 : InstXCore<4, outs, ins, asmstr, pattern> {
142 let Inst{31-27} = opc{9-5};
143 let Inst{26-20} = 0b1111110;
144 let Inst{19-16} = opc{4-1};
146 let Inst{15-11} = 0b11111;
147 let Inst{4} = opc{0};
148 let DecoderMethod = "DecodeL2RInstruction";
151 // Same as L2R with last two operands swapped
152 class _FLR2R<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
153 : _FL2R<opc, outs, ins, asmstr, pattern> {
154 let DecoderMethod = "DecodeLR2RInstruction";
157 class _F1R<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
158 : InstXCore<2, outs, ins, asmstr, pattern> {
161 let Inst{15-11} = opc{5-1};
162 let Inst{10-5} = 0b111111;
163 let Inst{4} = opc{0};
167 class _F0R<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
168 : InstXCore<2, outs, ins, asmstr, pattern> {
169 let Inst{15-11} = opc{9-5};
170 let Inst{10-5} = 0b111111;
171 let Inst{4-0} = opc{4-0};
174 class _L4R<dag outs, dag ins, string asmstr, list<dag> pattern>
175 : InstXCore<4, outs, ins, asmstr, pattern> {
178 class _L5R<dag outs, dag ins, string asmstr, list<dag> pattern>
179 : InstXCore<4, outs, ins, asmstr, pattern> {
182 class _L6R<dag outs, dag ins, string asmstr, list<dag> pattern>
183 : InstXCore<4, outs, ins, asmstr, pattern> {