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<dag outs, dag ins, string asmstr, list<dag> pattern>
89 : InstXCore<2, outs, ins, asmstr, pattern> {
92 class _FLRU6<dag outs, dag ins, string asmstr, list<dag> pattern>
93 : InstXCore<4, outs, ins, asmstr, pattern> {
96 class _FU6<dag outs, dag ins, string asmstr, list<dag> pattern>
97 : InstXCore<2, outs, ins, asmstr, pattern> {
100 class _FLU6<dag outs, dag ins, string asmstr, list<dag> pattern>
101 : InstXCore<4, outs, ins, asmstr, pattern> {
104 class _FU10<dag outs, dag ins, string asmstr, list<dag> pattern>
105 : InstXCore<2, outs, ins, asmstr, pattern> {
108 class _FLU10<dag outs, dag ins, string asmstr, list<dag> pattern>
109 : InstXCore<4, outs, ins, asmstr, pattern> {
112 class _F2R<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
113 : InstXCore<2, outs, ins, asmstr, pattern> {
114 let Inst{15-11} = opc{5-1};
115 let Inst{4} = opc{0};
116 let DecoderMethod = "Decode2RInstruction";
119 // 2R with first operand as both a source and a destination.
120 class _F2RSrcDst<bits<6> opc, dag outs, dag ins, string asmstr,
121 list<dag> pattern> : _F2R<opc, outs, ins, asmstr, pattern> {
122 let DecoderMethod = "Decode2RSrcDstInstruction";
125 // Same as 2R with last two operands swapped
126 class _FR2R<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
127 : _F2R<opc, outs, ins, asmstr, pattern> {
128 let DecoderMethod = "DecodeR2RInstruction";
131 class _FRUS<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
132 : InstXCore<2, outs, ins, asmstr, pattern> {
133 let Inst{15-11} = opc{5-1};
134 let Inst{4} = opc{0};
135 let DecoderMethod = "DecodeRUSInstruction";
138 // RUS with bitp operand
139 class _FRUSBitp<bits<6> opc, dag outs, dag ins, string asmstr,
141 : _FRUS<opc, outs, ins, asmstr, pattern> {
142 let DecoderMethod = "DecodeRUSBitpInstruction";
145 // RUS with first operand as both a source and a destination and a bitp second
147 class _FRUSSrcDstBitp<bits<6> opc, dag outs, dag ins, string asmstr,
149 : _FRUS<opc, outs, ins, asmstr, pattern> {
150 let DecoderMethod = "DecodeRUSSrcDstBitpInstruction";
153 class _FL2R<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
154 : InstXCore<4, outs, ins, asmstr, pattern> {
155 let Inst{31-27} = opc{9-5};
156 let Inst{26-20} = 0b1111110;
157 let Inst{19-16} = opc{4-1};
159 let Inst{15-11} = 0b11111;
160 let Inst{4} = opc{0};
161 let DecoderMethod = "DecodeL2RInstruction";
164 // Same as L2R with last two operands swapped
165 class _FLR2R<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
166 : _FL2R<opc, outs, ins, asmstr, pattern> {
167 let DecoderMethod = "DecodeLR2RInstruction";
170 class _F1R<bits<6> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
171 : InstXCore<2, outs, ins, asmstr, pattern> {
174 let Inst{15-11} = opc{5-1};
175 let Inst{10-5} = 0b111111;
176 let Inst{4} = opc{0};
180 class _F0R<bits<10> opc, dag outs, dag ins, string asmstr, list<dag> pattern>
181 : InstXCore<2, outs, ins, asmstr, pattern> {
182 let Inst{15-11} = opc{9-5};
183 let Inst{10-5} = 0b111111;
184 let Inst{4-0} = opc{4-0};
187 class _L4R<dag outs, dag ins, string asmstr, list<dag> pattern>
188 : InstXCore<4, outs, ins, asmstr, pattern> {
191 class _L5R<dag outs, dag ins, string asmstr, list<dag> pattern>
192 : InstXCore<4, outs, ins, asmstr, pattern> {
195 class _L6R<dag outs, dag ins, string asmstr, list<dag> pattern>
196 : InstXCore<4, outs, ins, asmstr, pattern> {