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<bits<9> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
72 : InstXCore<4, outs, ins, asmstr, pattern> {
73 let Inst{31-27} = opc{8-4};
74 let Inst{26-20} = 0b1111110;
75 let Inst{19-16} = opc{3-0};
77 let Inst{15-11} = 0b11111;
78 let DecoderMethod = "DecodeL2RUSInstruction";
81 // L2RUS with bitp operand
82 class _FL2RUSBitp<bits<9> opc, dag outs, dag ins, string asmstr,
84 : _FL2RUS<opc, outs, ins, asmstr, pattern> {
85 let DecoderMethod = "DecodeL2RUSBitpInstruction";
88 class _FRU6<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
89 : InstXCore<2, outs, ins, asmstr, pattern> {
93 let Inst{15-10} = opc;
98 class _FLRU6<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
99 : InstXCore<4, outs, ins, asmstr, pattern> {
103 let Inst{31-26} = opc;
105 let Inst{21-16} = b{5-0};
106 let Inst{15-10} = 0b111100;
107 let Inst{9-0} = b{15-6};
110 class _FU6<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
111 : InstXCore<2, outs, ins, asmstr, pattern> {
114 let Inst{15-6} = opc;
118 class _FLU6<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
119 : InstXCore<4, outs, ins, asmstr, pattern> {
122 let Inst{31-22} = opc;
123 let Inst{21-16} = a{5-0};
124 let Inst{15-10} = 0b111100;
125 let Inst{9-0} = a{15-6};
128 class _FU10<dag outs, dag ins, string asmstr, list<dag> pattern>
129 : InstXCore<2, outs, ins, asmstr, pattern> {
132 class _FLU10<dag outs, dag ins, string asmstr, list<dag> pattern>
133 : InstXCore<4, outs, ins, asmstr, pattern> {
136 class _F2R<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
137 : InstXCore<2, outs, ins, asmstr, pattern> {
138 let Inst{15-11} = opc{5-1};
139 let Inst{4} = opc{0};
140 let DecoderMethod = "Decode2RInstruction";
143 // 2R with first operand as both a source and a destination.
144 class _F2RSrcDst<bits<6> opc, dag outs, dag ins, string asmstr,
145 list<dag> pattern> : _F2R<opc, outs, ins, asmstr, pattern> {
146 let DecoderMethod = "Decode2RSrcDstInstruction";
149 // Same as 2R with last two operands swapped
150 class _FR2R<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
151 : _F2R<opc, outs, ins, asmstr, pattern> {
152 let DecoderMethod = "DecodeR2RInstruction";
155 class _FRUS<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
156 : InstXCore<2, outs, ins, asmstr, pattern> {
157 let Inst{15-11} = opc{5-1};
158 let Inst{4} = opc{0};
159 let DecoderMethod = "DecodeRUSInstruction";
162 // RUS with bitp operand
163 class _FRUSBitp<bits<6> opc, dag outs, dag ins, string asmstr,
165 : _FRUS<opc, outs, ins, asmstr, pattern> {
166 let DecoderMethod = "DecodeRUSBitpInstruction";
169 // RUS with first operand as both a source and a destination and a bitp second
171 class _FRUSSrcDstBitp<bits<6> opc, dag outs, dag ins, string asmstr,
173 : _FRUS<opc, outs, ins, asmstr, pattern> {
174 let DecoderMethod = "DecodeRUSSrcDstBitpInstruction";
177 class _FL2R<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
178 : InstXCore<4, outs, ins, asmstr, pattern> {
179 let Inst{31-27} = opc{9-5};
180 let Inst{26-20} = 0b1111110;
181 let Inst{19-16} = opc{4-1};
183 let Inst{15-11} = 0b11111;
184 let Inst{4} = opc{0};
185 let DecoderMethod = "DecodeL2RInstruction";
188 // Same as L2R with last two operands swapped
189 class _FLR2R<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
190 : _FL2R<opc, outs, ins, asmstr, pattern> {
191 let DecoderMethod = "DecodeLR2RInstruction";
194 class _F1R<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
195 : InstXCore<2, outs, ins, asmstr, pattern> {
198 let Inst{15-11} = opc{5-1};
199 let Inst{10-5} = 0b111111;
200 let Inst{4} = opc{0};
204 class _F0R<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
205 : InstXCore<2, outs, ins, asmstr, pattern> {
206 let Inst{15-11} = opc{9-5};
207 let Inst{10-5} = 0b111111;
208 let Inst{4-0} = opc{4-0};
211 class _L4R<dag outs, dag ins, string asmstr, list<dag> pattern>
212 : InstXCore<4, outs, ins, asmstr, pattern> {
215 class _L5R<dag outs, dag ins, string asmstr, list<dag> pattern>
216 : InstXCore<4, outs, ins, asmstr, pattern> {
219 class _L6R<dag outs, dag ins, string asmstr, list<dag> pattern>
220 : InstXCore<4, outs, ins, asmstr, pattern> {