xref: /freebsd/contrib/llvm-project/llvm/lib/Target/Mips/MipsMSAInstrFormats.td (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf) 
1//===- MipsMSAInstrFormats.td - Mips Instruction Formats ---*- tablegen -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9class MSAInst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther>,
10                ASE_MSA {
11  let EncodingPredicates = [HasStdEnc];
12  let Inst{31-26} = 0b011110;
13}
14
15class MSACBranch : MSAInst {
16  let Inst{31-26} = 0b010001;
17}
18
19class MSASpecial : MSAInst {
20  let Inst{31-26} = 0b000000;
21}
22
23class MSAPseudo<dag outs, dag ins, list<dag> pattern,
24                InstrItinClass itin = IIPseudo>:
25  MipsPseudo<outs, ins, pattern, itin> {
26  let EncodingPredicates = [HasStdEnc];
27  let ASEPredicate = [HasMSA];
28}
29
30class MSA_BIT_B_FMT<bits<3> major, bits<6> minor>: MSAInst {
31  bits<5> ws;
32  bits<5> wd;
33  bits<3> m;
34
35  let Inst{25-23} = major;
36  let Inst{22-19} = 0b1110;
37  let Inst{18-16} = m;
38  let Inst{15-11} = ws;
39  let Inst{10-6} = wd;
40  let Inst{5-0} = minor;
41}
42
43class MSA_BIT_H_FMT<bits<3> major, bits<6> minor>: MSAInst {
44  bits<5> ws;
45  bits<5> wd;
46  bits<4> m;
47
48  let Inst{25-23} = major;
49  let Inst{22-20} = 0b110;
50  let Inst{19-16} = m;
51  let Inst{15-11} = ws;
52  let Inst{10-6} = wd;
53  let Inst{5-0} = minor;
54}
55
56class MSA_BIT_W_FMT<bits<3> major, bits<6> minor>: MSAInst {
57  bits<5> ws;
58  bits<5> wd;
59  bits<5> m;
60
61  let Inst{25-23} = major;
62  let Inst{22-21} = 0b10;
63  let Inst{20-16} = m;
64  let Inst{15-11} = ws;
65  let Inst{10-6} = wd;
66  let Inst{5-0} = minor;
67}
68
69class MSA_BIT_D_FMT<bits<3> major, bits<6> minor>: MSAInst {
70  bits<5> ws;
71  bits<5> wd;
72  bits<6> m;
73
74  let Inst{25-23} = major;
75  let Inst{22} = 0b0;
76  let Inst{21-16} = m;
77  let Inst{15-11} = ws;
78  let Inst{10-6} = wd;
79  let Inst{5-0} = minor;
80}
81
82class MSA_2R_FILL_FMT<bits<8> major, bits<2> df, bits<6> minor>: MSAInst {
83  bits<5> rs;
84  bits<5> wd;
85
86  let Inst{25-18} = major;
87  let Inst{17-16} = df;
88  let Inst{15-11} = rs;
89  let Inst{10-6} = wd;
90  let Inst{5-0} = minor;
91}
92
93class MSA_2R_FILL_D_FMT<bits<8> major, bits<2> df, bits<6> minor>: MSAInst {
94  bits<5> rs;
95  bits<5> wd;
96
97  let Inst{25-18} = major;
98  let Inst{17-16} = df;
99  let Inst{15-11} = rs;
100  let Inst{10-6} = wd;
101  let Inst{5-0} = minor;
102}
103
104class MSA_2R_FMT<bits<8> major, bits<2> df, bits<6> minor>: MSAInst {
105  bits<5> ws;
106  bits<5> wd;
107
108  let Inst{25-18} = major;
109  let Inst{17-16} = df;
110  let Inst{15-11} = ws;
111  let Inst{10-6} = wd;
112  let Inst{5-0} = minor;
113}
114
115class MSA_2RF_FMT<bits<9> major, bits<1> df, bits<6> minor>: MSAInst {
116  bits<5> ws;
117  bits<5> wd;
118
119  let Inst{25-17} = major;
120  let Inst{16} = df;
121  let Inst{15-11} = ws;
122  let Inst{10-6} = wd;
123  let Inst{5-0} = minor;
124}
125
126class MSA_3R_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
127  bits<5> wt;
128  bits<5> ws;
129  bits<5> wd;
130
131  let Inst{25-23} = major;
132  let Inst{22-21} = df;
133  let Inst{20-16} = wt;
134  let Inst{15-11} = ws;
135  let Inst{10-6} = wd;
136  let Inst{5-0} = minor;
137}
138
139class MSA_3RF_FMT<bits<4> major, bits<1> df, bits<6> minor>: MSAInst {
140  bits<5> wt;
141  bits<5> ws;
142  bits<5> wd;
143
144  let Inst{25-22} = major;
145  let Inst{21} = df;
146  let Inst{20-16} = wt;
147  let Inst{15-11} = ws;
148  let Inst{10-6} = wd;
149  let Inst{5-0} = minor;
150}
151
152class MSA_3R_INDEX_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
153  bits<5> rt;
154  bits<5> ws;
155  bits<5> wd;
156
157  let Inst{25-23} = major;
158  let Inst{22-21} = df;
159  let Inst{20-16} = rt;
160  let Inst{15-11} = ws;
161  let Inst{10-6} = wd;
162  let Inst{5-0} = minor;
163}
164
165class MSA_ELM_FMT<bits<10> major, bits<6> minor>: MSAInst {
166  bits<5> ws;
167  bits<5> wd;
168
169  let Inst{25-16} = major;
170  let Inst{15-11} = ws;
171  let Inst{10-6} = wd;
172  let Inst{5-0} = minor;
173}
174
175class MSA_ELM_CFCMSA_FMT<bits<10> major, bits<6> minor>: MSAInst {
176  bits<5> rd;
177  bits<5> cs;
178
179  let Inst{25-16} = major;
180  let Inst{15-11} = cs;
181  let Inst{10-6} = rd;
182  let Inst{5-0} = minor;
183}
184
185class MSA_ELM_CTCMSA_FMT<bits<10> major, bits<6> minor>: MSAInst {
186  bits<5> rs;
187  bits<5> cd;
188
189  let Inst{25-16} = major;
190  let Inst{15-11} = rs;
191  let Inst{10-6} = cd;
192  let Inst{5-0} = minor;
193}
194
195class MSA_ELM_B_FMT<bits<4> major, bits<6> minor>: MSAInst {
196  bits<4> n;
197  bits<5> ws;
198  bits<5> wd;
199
200  let Inst{25-22} = major;
201  let Inst{21-20} = 0b00;
202  let Inst{19-16} = n{3-0};
203  let Inst{15-11} = ws;
204  let Inst{10-6} = wd;
205  let Inst{5-0} = minor;
206}
207
208class MSA_ELM_H_FMT<bits<4> major, bits<6> minor>: MSAInst {
209  bits<4> n;
210  bits<5> ws;
211  bits<5> wd;
212
213  let Inst{25-22} = major;
214  let Inst{21-19} = 0b100;
215  let Inst{18-16} = n{2-0};
216  let Inst{15-11} = ws;
217  let Inst{10-6} = wd;
218  let Inst{5-0} = minor;
219}
220
221class MSA_ELM_W_FMT<bits<4> major, bits<6> minor>: MSAInst {
222  bits<4> n;
223  bits<5> ws;
224  bits<5> wd;
225
226  let Inst{25-22} = major;
227  let Inst{21-18} = 0b1100;
228  let Inst{17-16} = n{1-0};
229  let Inst{15-11} = ws;
230  let Inst{10-6} = wd;
231  let Inst{5-0} = minor;
232}
233
234class MSA_ELM_D_FMT<bits<4> major, bits<6> minor>: MSAInst {
235  bits<4> n;
236  bits<5> ws;
237  bits<5> wd;
238
239  let Inst{25-22} = major;
240  let Inst{21-17} = 0b11100;
241  let Inst{16} = n{0};
242  let Inst{15-11} = ws;
243  let Inst{10-6} = wd;
244  let Inst{5-0} = minor;
245}
246
247class MSA_ELM_COPY_B_FMT<bits<4> major, bits<6> minor>: MSAInst {
248  bits<4> n;
249  bits<5> ws;
250  bits<5> rd;
251
252  let Inst{25-22} = major;
253  let Inst{21-20} = 0b00;
254  let Inst{19-16} = n{3-0};
255  let Inst{15-11} = ws;
256  let Inst{10-6} = rd;
257  let Inst{5-0} = minor;
258}
259
260class MSA_ELM_COPY_H_FMT<bits<4> major, bits<6> minor>: MSAInst {
261  bits<4> n;
262  bits<5> ws;
263  bits<5> rd;
264
265  let Inst{25-22} = major;
266  let Inst{21-19} = 0b100;
267  let Inst{18-16} = n{2-0};
268  let Inst{15-11} = ws;
269  let Inst{10-6} = rd;
270  let Inst{5-0} = minor;
271}
272
273class MSA_ELM_COPY_W_FMT<bits<4> major, bits<6> minor>: MSAInst {
274  bits<4> n;
275  bits<5> ws;
276  bits<5> rd;
277
278  let Inst{25-22} = major;
279  let Inst{21-18} = 0b1100;
280  let Inst{17-16} = n{1-0};
281  let Inst{15-11} = ws;
282  let Inst{10-6} = rd;
283  let Inst{5-0} = minor;
284}
285
286class MSA_ELM_COPY_D_FMT<bits<4> major, bits<6> minor>: MSAInst {
287  bits<4> n;
288  bits<5> ws;
289  bits<5> rd;
290
291  let Inst{25-22} = major;
292  let Inst{21-17} = 0b11100;
293  let Inst{16} = n{0};
294  let Inst{15-11} = ws;
295  let Inst{10-6} = rd;
296  let Inst{5-0} = minor;
297}
298
299class MSA_ELM_INSERT_B_FMT<bits<4> major, bits<6> minor>: MSAInst {
300  bits<6> n;
301  bits<5> rs;
302  bits<5> wd;
303
304  let Inst{25-22} = major;
305  let Inst{21-20} = 0b00;
306  let Inst{19-16} = n{3-0};
307  let Inst{15-11} = rs;
308  let Inst{10-6} = wd;
309  let Inst{5-0} = minor;
310}
311
312class MSA_ELM_INSERT_H_FMT<bits<4> major, bits<6> minor>: MSAInst {
313  bits<6> n;
314  bits<5> rs;
315  bits<5> wd;
316
317  let Inst{25-22} = major;
318  let Inst{21-19} = 0b100;
319  let Inst{18-16} = n{2-0};
320  let Inst{15-11} = rs;
321  let Inst{10-6} = wd;
322  let Inst{5-0} = minor;
323}
324
325class MSA_ELM_INSERT_W_FMT<bits<4> major, bits<6> minor>: MSAInst {
326  bits<6> n;
327  bits<5> rs;
328  bits<5> wd;
329
330  let Inst{25-22} = major;
331  let Inst{21-18} = 0b1100;
332  let Inst{17-16} = n{1-0};
333  let Inst{15-11} = rs;
334  let Inst{10-6} = wd;
335  let Inst{5-0} = minor;
336}
337
338class MSA_ELM_INSERT_D_FMT<bits<4> major, bits<6> minor>: MSAInst {
339  bits<6> n;
340  bits<5> rs;
341  bits<5> wd;
342
343  let Inst{25-22} = major;
344  let Inst{21-17} = 0b11100;
345  let Inst{16} = n{0};
346  let Inst{15-11} = rs;
347  let Inst{10-6} = wd;
348  let Inst{5-0} = minor;
349}
350
351class MSA_I5_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
352  bits<5> imm;
353  bits<5> ws;
354  bits<5> wd;
355
356  let Inst{25-23} = major;
357  let Inst{22-21} = df;
358  let Inst{20-16} = imm;
359  let Inst{15-11} = ws;
360  let Inst{10-6} = wd;
361  let Inst{5-0} = minor;
362}
363
364class MSA_I8_FMT<bits<2> major, bits<6> minor>: MSAInst {
365  bits<8> u8;
366  bits<5> ws;
367  bits<5> wd;
368
369  let Inst{25-24} = major;
370  let Inst{23-16} = u8;
371  let Inst{15-11} = ws;
372  let Inst{10-6} = wd;
373  let Inst{5-0} = minor;
374}
375
376class MSA_I10_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
377  bits<10> s10;
378  bits<5> wd;
379
380  let Inst{25-23} = major;
381  let Inst{22-21} = df;
382  let Inst{20-11} = s10;
383  let Inst{10-6} = wd;
384  let Inst{5-0} = minor;
385}
386
387class MSA_MI10_FMT<bits<2> df, bits<4> minor>: MSAInst {
388  bits<21> addr;
389  bits<5> wd;
390
391  let Inst{25-16} = addr{9-0};
392  let Inst{15-11} = addr{20-16};
393  let Inst{10-6} = wd;
394  let Inst{5-2} = minor;
395  let Inst{1-0} = df;
396}
397
398class MSA_VEC_FMT<bits<5> major, bits<6> minor>: MSAInst {
399  bits<5> wt;
400  bits<5> ws;
401  bits<5> wd;
402
403  let Inst{25-21} = major;
404  let Inst{20-16} = wt;
405  let Inst{15-11} = ws;
406  let Inst{10-6} = wd;
407  let Inst{5-0} = minor;
408}
409
410class MSA_CBRANCH_FMT<bits<3> major, bits<2> df>: MSACBranch {
411  bits<16> offset;
412  bits<5> wt;
413
414  let Inst{25-23} = major;
415  let Inst{22-21} = df;
416  let Inst{20-16} = wt;
417  let Inst{15-0} = offset;
418}
419
420class MSA_CBRANCH_V_FMT<bits<5> major>: MSACBranch {
421  bits<16> offset;
422  bits<5> wt;
423
424  let Inst{25-21} = major;
425  let Inst{20-16} = wt;
426  let Inst{15-0} = offset;
427}
428
429class SPECIAL_LSA_FMT<bits<6> minor>: MSASpecial {
430  bits<5> rs;
431  bits<5> rt;
432  bits<5> rd;
433  bits<2> sa;
434
435  let Inst{25-21} = rs;
436  let Inst{20-16} = rt;
437  let Inst{15-11} = rd;
438  let Inst{10-8} = 0b000;
439  let Inst{7-6} = sa;
440  let Inst{5-0} = minor;
441}
442
443class SPECIAL_DLSA_FMT<bits<6> minor>: MSASpecial {
444  bits<5> rs;
445  bits<5> rt;
446  bits<5> rd;
447  bits<2> sa;
448
449  let Inst{25-21} = rs;
450  let Inst{20-16} = rt;
451  let Inst{15-11} = rd;
452  let Inst{10-8} = 0b000;
453  let Inst{7-6} = sa;
454  let Inst{5-0} = minor;
455}
456