1 //===- MipsMSAInstrFormats.td - Mips 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 def HasMSA : Predicate<"Subtarget.hasMSA()">,
11 AssemblerPredicate<"FeatureMSA">;
13 class MSAInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther> {
14 let Predicates = [HasMSA];
15 let Inst{31-26} = 0b011110;
18 class MSACBranch : MSAInst {
19 let Inst{31-26} = 0b010001;
22 class PseudoMSA<dag outs, dag ins, list<dag> pattern,
23 InstrItinClass itin = IIPseudo>:
24 MipsPseudo<outs, ins, pattern, itin> {
25 let Predicates = [HasMSA];
28 class MSA_BIT_B_FMT<bits<3> major, bits<6> minor>: MSAInst {
33 let Inst{25-23} = major;
34 let Inst{22-19} = 0b1110;
38 let Inst{5-0} = minor;
41 class MSA_BIT_H_FMT<bits<3> major, bits<6> minor>: MSAInst {
46 let Inst{25-23} = major;
47 let Inst{22-20} = 0b110;
51 let Inst{5-0} = minor;
54 class MSA_BIT_W_FMT<bits<3> major, bits<6> minor>: MSAInst {
59 let Inst{25-23} = major;
60 let Inst{22-21} = 0b10;
64 let Inst{5-0} = minor;
67 class MSA_BIT_D_FMT<bits<3> major, bits<6> minor>: MSAInst {
72 let Inst{25-23} = major;
77 let Inst{5-0} = minor;
80 class MSA_2R_FILL_FMT<bits<8> major, bits<2> df, bits<6> minor>: MSAInst {
84 let Inst{25-18} = major;
88 let Inst{5-0} = minor;
91 class MSA_2R_FMT<bits<8> major, bits<2> df, bits<6> minor>: MSAInst {
95 let Inst{25-18} = major;
99 let Inst{5-0} = minor;
102 class MSA_2RF_FMT<bits<9> major, bits<1> df, bits<6> minor>: MSAInst {
106 let Inst{25-17} = major;
108 let Inst{15-11} = ws;
110 let Inst{5-0} = minor;
113 class MSA_3R_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
118 let Inst{25-23} = major;
119 let Inst{22-21} = df;
120 let Inst{20-16} = wt;
121 let Inst{15-11} = ws;
123 let Inst{5-0} = minor;
126 class MSA_3RF_FMT<bits<4> major, bits<1> df, bits<6> minor>: MSAInst {
131 let Inst{25-22} = major;
133 let Inst{20-16} = wt;
134 let Inst{15-11} = ws;
136 let Inst{5-0} = minor;
139 class MSA_3R_INDEX_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
144 let Inst{25-23} = major;
145 let Inst{22-21} = df;
146 let Inst{20-16} = rt;
147 let Inst{15-11} = ws;
149 let Inst{5-0} = minor;
152 class MSA_ELM_FMT<bits<10> major, bits<6> minor>: MSAInst {
156 let Inst{25-16} = major;
157 let Inst{15-11} = ws;
159 let Inst{5-0} = minor;
162 class MSA_ELM_CFCMSA_FMT<bits<10> major, bits<6> minor>: MSAInst {
166 let Inst{25-16} = major;
167 let Inst{15-11} = cs;
169 let Inst{5-0} = minor;
172 class MSA_ELM_CTCMSA_FMT<bits<10> major, bits<6> minor>: MSAInst {
176 let Inst{25-16} = major;
177 let Inst{15-11} = rs;
179 let Inst{5-0} = minor;
182 class MSA_ELM_B_FMT<bits<4> major, bits<6> minor>: MSAInst {
187 let Inst{25-22} = major;
188 let Inst{21-20} = 0b00;
189 let Inst{19-16} = n{3-0};
190 let Inst{15-11} = ws;
192 let Inst{5-0} = minor;
195 class MSA_ELM_H_FMT<bits<4> major, bits<6> minor>: MSAInst {
200 let Inst{25-22} = major;
201 let Inst{21-19} = 0b100;
202 let Inst{18-16} = n{2-0};
203 let Inst{15-11} = ws;
205 let Inst{5-0} = minor;
208 class MSA_ELM_W_FMT<bits<4> major, bits<6> minor>: MSAInst {
213 let Inst{25-22} = major;
214 let Inst{21-18} = 0b1100;
215 let Inst{17-16} = n{1-0};
216 let Inst{15-11} = ws;
218 let Inst{5-0} = minor;
221 class MSA_ELM_D_FMT<bits<4> major, bits<6> minor>: MSAInst {
226 let Inst{25-22} = major;
227 let Inst{21-17} = 0b11100;
229 let Inst{15-11} = ws;
231 let Inst{5-0} = minor;
234 class MSA_ELM_COPY_B_FMT<bits<4> major, bits<6> minor>: MSAInst {
239 let Inst{25-22} = major;
240 let Inst{21-20} = 0b00;
241 let Inst{19-16} = n{3-0};
242 let Inst{15-11} = ws;
244 let Inst{5-0} = minor;
247 class MSA_ELM_COPY_H_FMT<bits<4> major, bits<6> minor>: MSAInst {
252 let Inst{25-22} = major;
253 let Inst{21-19} = 0b100;
254 let Inst{18-16} = n{2-0};
255 let Inst{15-11} = ws;
257 let Inst{5-0} = minor;
260 class MSA_ELM_COPY_W_FMT<bits<4> major, bits<6> minor>: MSAInst {
265 let Inst{25-22} = major;
266 let Inst{21-18} = 0b1100;
267 let Inst{17-16} = n{1-0};
268 let Inst{15-11} = ws;
270 let Inst{5-0} = minor;
273 class MSA_ELM_INSERT_B_FMT<bits<4> major, bits<6> minor>: MSAInst {
278 let Inst{25-22} = major;
279 let Inst{21-20} = 0b00;
280 let Inst{19-16} = n{3-0};
281 let Inst{15-11} = rs;
283 let Inst{5-0} = minor;
286 class MSA_ELM_INSERT_H_FMT<bits<4> major, bits<6> minor>: MSAInst {
291 let Inst{25-22} = major;
292 let Inst{21-19} = 0b100;
293 let Inst{18-16} = n{2-0};
294 let Inst{15-11} = rs;
296 let Inst{5-0} = minor;
299 class MSA_ELM_INSERT_W_FMT<bits<4> major, bits<6> minor>: MSAInst {
304 let Inst{25-22} = major;
305 let Inst{21-18} = 0b1100;
306 let Inst{17-16} = n{1-0};
307 let Inst{15-11} = rs;
309 let Inst{5-0} = minor;
312 class MSA_I5_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
317 let Inst{25-23} = major;
318 let Inst{22-21} = df;
319 let Inst{20-16} = imm;
320 let Inst{15-11} = ws;
322 let Inst{5-0} = minor;
325 class MSA_I8_FMT<bits<2> major, bits<6> minor>: MSAInst {
330 let Inst{25-24} = major;
331 let Inst{23-16} = u8;
332 let Inst{15-11} = ws;
334 let Inst{5-0} = minor;
337 class MSA_I10_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
341 let Inst{25-23} = major;
342 let Inst{22-21} = df;
343 let Inst{20-11} = s10;
345 let Inst{5-0} = minor;
348 class MSA_MI10_FMT<bits<2> df, bits<4> minor>: MSAInst {
352 let Inst{25-16} = addr{9-0};
353 let Inst{15-11} = addr{20-16};
355 let Inst{5-2} = minor;
359 class MSA_VEC_FMT<bits<5> major, bits<6> minor>: MSAInst {
364 let Inst{25-21} = major;
365 let Inst{20-16} = wt;
366 let Inst{15-11} = ws;
368 let Inst{5-0} = minor;
371 class MSA_CBRANCH_FMT<bits<3> major, bits<2> df>: MSACBranch {
375 let Inst{25-23} = major;
376 let Inst{22-21} = df;
377 let Inst{20-16} = wt;
378 let Inst{15-0} = offset;
381 class MSA_CBRANCH_V_FMT<bits<5> major>: MSACBranch {
385 let Inst{25-21} = major;
386 let Inst{20-16} = wt;
387 let Inst{15-0} = offset;
390 class SPECIAL_LSA_FMT: MSAInst {
391 let Inst{25-21} = 0b000000;
392 let Inst{10-8} = 0b000;
393 let Inst{5-0} = 0b000101;