1//===- PowerPCInstrFormats.td - PowerPC 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
9//===----------------------------------------------------------------------===//
10//
11// PowerPC instruction formats
12
13class I<bits<6> opcode, dag OOL, dag IOL, string asmstr, InstrItinClass itin>
14        : Instruction {
15  field bits<32> Inst;
16  field bits<32> SoftFail = 0;
17  let Size = 4;
18
19  bit PPC64 = 0;  // Default value, override with isPPC64
20
21  let Namespace = "PPC";
22  let Inst{0-5} = opcode;
23  let OutOperandList = OOL;
24  let InOperandList = IOL;
25  let AsmString = asmstr;
26  let Itinerary = itin;
27
28  bits<1> PPC970_First = 0;
29  bits<1> PPC970_Single = 0;
30  bits<1> PPC970_Cracked = 0;
31  bits<3> PPC970_Unit = 0;
32
33  /// These fields correspond to the fields in PPCInstrInfo.h.  Any changes to
34  /// these must be reflected there!  See comments there for what these are.
35  let TSFlags{0}   = PPC970_First;
36  let TSFlags{1}   = PPC970_Single;
37  let TSFlags{2}   = PPC970_Cracked;
38  let TSFlags{5-3} = PPC970_Unit;
39
40  // Indicate that this instruction is of type X-Form Load or Store
41  bits<1> XFormMemOp = 0;
42  let TSFlags{6}  = XFormMemOp;
43
44  // Indicate that this instruction is prefixed.
45  bits<1> Prefixed = 0;
46  let TSFlags{7}  = Prefixed;
47
48  // Indicate that this instruction produces a result that is sign extended from
49  // 32 bits to 64 bits.
50  bits<1> SExt32To64 = 0;
51  let TSFlags{8} = SExt32To64;
52
53  // Indicate that this instruction produces a result that is zero extended from
54  // 32 bits to 64 bits.
55  bits<1> ZExt32To64 = 0;
56  let TSFlags{9} = ZExt32To64;
57
58  // Fields used for relation models.
59  string BaseName = "";
60
61  // For cases where multiple instruction definitions really represent the
62  // same underlying instruction but with one definition for 64-bit arguments
63  // and one for 32-bit arguments, this bit breaks the degeneracy between
64  // the two forms and allows TableGen to generate mapping tables.
65  bit Interpretation64Bit = 0;
66}
67
68class PPC970_DGroup_First   { bits<1> PPC970_First = 1;  }
69class PPC970_DGroup_Single  { bits<1> PPC970_Single = 1; }
70class PPC970_DGroup_Cracked { bits<1> PPC970_Cracked = 1; }
71class PPC970_MicroCode;
72
73class PPC970_Unit_Pseudo   { bits<3> PPC970_Unit = 0;   }
74class PPC970_Unit_FXU      { bits<3> PPC970_Unit = 1;   }
75class PPC970_Unit_LSU      { bits<3> PPC970_Unit = 2;   }
76class PPC970_Unit_FPU      { bits<3> PPC970_Unit = 3;   }
77class PPC970_Unit_CRU      { bits<3> PPC970_Unit = 4;   }
78class PPC970_Unit_VALU     { bits<3> PPC970_Unit = 5;   }
79class PPC970_Unit_VPERM    { bits<3> PPC970_Unit = 6;   }
80class PPC970_Unit_BRU      { bits<3> PPC970_Unit = 7;   }
81
82class XFormMemOp { bits<1> XFormMemOp = 1; }
83class SExt32To64 { bits<1> SExt32To64 = 1; }
84class ZExt32To64 { bits<1> ZExt32To64 = 1; }
85
86// Two joined instructions; used to emit two adjacent instructions as one.
87// The itinerary from the first instruction is used for scheduling and
88// classification.
89class I2<bits<6> opcode1, bits<6> opcode2, dag OOL, dag IOL, string asmstr,
90         InstrItinClass itin>
91        : Instruction {
92  field bits<64> Inst;
93  field bits<64> SoftFail = 0;
94  let Size = 8;
95
96  bit PPC64 = 0;  // Default value, override with isPPC64
97
98  let Namespace = "PPC";
99  let Inst{0-5} = opcode1;
100  let Inst{32-37} = opcode2;
101  let OutOperandList = OOL;
102  let InOperandList = IOL;
103  let AsmString = asmstr;
104  let Itinerary = itin;
105
106  bits<1> PPC970_First = 0;
107  bits<1> PPC970_Single = 0;
108  bits<1> PPC970_Cracked = 0;
109  bits<3> PPC970_Unit = 0;
110
111  /// These fields correspond to the fields in PPCInstrInfo.h.  Any changes to
112  /// these must be reflected there!  See comments there for what these are.
113  let TSFlags{0}   = PPC970_First;
114  let TSFlags{1}   = PPC970_Single;
115  let TSFlags{2}   = PPC970_Cracked;
116  let TSFlags{5-3} = PPC970_Unit;
117
118  // Fields used for relation models.
119  string BaseName = "";
120  bit Interpretation64Bit = 0;
121}
122
123// Base class for all X-Form memory instructions
124class IXFormMemOp<bits<6> opcode, dag OOL, dag IOL, string asmstr,
125                  InstrItinClass itin>
126        :I<opcode, OOL, IOL, asmstr, itin>, XFormMemOp;
127
128// 1.7.1 I-Form
129class IForm<bits<6> opcode, bit aa, bit lk, dag OOL, dag IOL, string asmstr,
130            InstrItinClass itin, list<dag> pattern>
131         : I<opcode, OOL, IOL, asmstr, itin> {
132  let Pattern = pattern;
133  bits<24> LI;
134
135  let Inst{6-29}  = LI;
136  let Inst{30}    = aa;
137  let Inst{31}    = lk;
138}
139
140// 1.7.2 B-Form
141class BForm<bits<6> opcode, bit aa, bit lk, dag OOL, dag IOL, string asmstr>
142  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
143  bits<7> BIBO;  // 2 bits of BI and 5 bits of BO.
144  bits<3>  CR;
145  bits<14> BD;
146
147  bits<5> BI;
148  let BI{0-1} = BIBO{5-6};
149  let BI{2-4} = CR{0-2};
150
151  let Inst{6-10}  = BIBO{4-0};
152  let Inst{11-15} = BI;
153  let Inst{16-29} = BD;
154  let Inst{30}    = aa;
155  let Inst{31}    = lk;
156}
157
158class BForm_1<bits<6> opcode, bits<5> bo, bit aa, bit lk, dag OOL, dag IOL,
159             string asmstr>
160  : BForm<opcode, aa, lk, OOL, IOL, asmstr> {
161  let BIBO{4-0} = bo;
162  let BIBO{6-5} = 0;
163  let CR = 0;
164}
165
166class BForm_2<bits<6> opcode, bits<5> bo, bits<5> bi, bit aa, bit lk,
167              dag OOL, dag IOL, string asmstr>
168  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
169  bits<14> BD;
170
171  let Inst{6-10}  = bo;
172  let Inst{11-15} = bi;
173  let Inst{16-29} = BD;
174  let Inst{30}    = aa;
175  let Inst{31}    = lk;
176}
177
178class BForm_3<bits<6> opcode, bit aa, bit lk,
179              dag OOL, dag IOL, string asmstr>
180  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
181  bits<5> BO;
182  bits<5> BI;
183  bits<14> BD;
184
185  let Inst{6-10}  = BO;
186  let Inst{11-15} = BI;
187  let Inst{16-29} = BD;
188  let Inst{30}    = aa;
189  let Inst{31}    = lk;
190}
191
192class BForm_3_at<bits<6> opcode, bit aa, bit lk,
193                 dag OOL, dag IOL, string asmstr>
194  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
195  bits<5> BO;
196  bits<2> at;
197  bits<5> BI;
198  bits<14> BD;
199
200  let Inst{6-8}   = BO{4-2};
201  let Inst{9-10}  = at;
202  let Inst{11-15} = BI;
203  let Inst{16-29} = BD;
204  let Inst{30}    = aa;
205  let Inst{31}    = lk;
206}
207
208class
209BForm_4<bits<6> opcode, bits<5> bo, bit aa, bit lk,
210              dag OOL, dag IOL, string asmstr>
211  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
212  bits<5> BI;
213  bits<14> BD;
214
215  let Inst{6-10}  = bo;
216  let Inst{11-15} = BI;
217  let Inst{16-29} = BD;
218  let Inst{30}    = aa;
219  let Inst{31}    = lk;
220}
221
222// 1.7.3 SC-Form
223class SCForm<bits<6> opcode, bits<1> xo1, bits<1> xo2,
224                     dag OOL, dag IOL, string asmstr, InstrItinClass itin,
225                     list<dag> pattern>
226  : I<opcode, OOL, IOL, asmstr, itin> {
227  bits<7>  LEV;
228
229  let Pattern = pattern;
230
231  let Inst{20-26} = LEV;
232  let Inst{30}    = xo1;
233  let Inst{31}    = xo2;
234}
235
236// 1.7.4 D-Form
237class DForm_base<bits<6> opcode, dag OOL, dag IOL, string asmstr,
238                 InstrItinClass itin, list<dag> pattern>
239  : I<opcode, OOL, IOL, asmstr, itin> {
240  bits<5>  RST;
241  bits<5>  RA;
242  bits<16> D;
243
244  let Pattern = pattern;
245
246  let Inst{6-10}  = RST;
247  let Inst{11-15} = RA;
248  let Inst{16-31} = D;
249}
250
251class DForm_1<bits<6> opcode, dag OOL, dag IOL, string asmstr,
252              InstrItinClass itin, list<dag> pattern>
253  : DForm_base<opcode, OOL, IOL, asmstr, itin, pattern> {
254}
255
256class DForm_2<bits<6> opcode, dag OOL, dag IOL, string asmstr,
257              InstrItinClass itin, list<dag> pattern>
258  : DForm_base<opcode, OOL, IOL, asmstr, itin, pattern> {
259
260  // Even though ADDIC_rec does not really have an RC bit, provide
261  // the declaration of one here so that isRecordForm has something to set.
262  bit RC = 0;
263}
264
265class DForm_2_r0<bits<6> opcode, dag OOL, dag IOL, string asmstr,
266                 InstrItinClass itin, list<dag> pattern>
267  : I<opcode, OOL, IOL, asmstr, itin> {
268  bits<5>  RST;
269  bits<16> D;
270
271  let Pattern = pattern;
272
273  let Inst{6-10}  = RST;
274  let Inst{11-15} = 0;
275  let Inst{16-31} = D;
276}
277
278class DForm_4<bits<6> opcode, dag OOL, dag IOL, string asmstr,
279              InstrItinClass itin, list<dag> pattern>
280  : I<opcode, OOL, IOL, asmstr, itin> {
281  bits<5>  RA;
282  bits<5>  RST;
283  bits<16> D;
284
285  let Pattern = pattern;
286
287  let Inst{6-10}  = RST;
288  let Inst{11-15} = RA;
289  let Inst{16-31} = D;
290}
291
292class DForm_4_zero<bits<6> opcode, dag OOL, dag IOL, string asmstr,
293                   InstrItinClass itin, list<dag> pattern>
294  : DForm_1<opcode, OOL, IOL, asmstr, itin, pattern> {
295  let RST = 0;
296  let RA = 0;
297  let D = 0;
298}
299
300class DForm_4_fixedreg_zero<bits<6> opcode, bits<5> R, dag OOL, dag IOL,
301                            string asmstr, InstrItinClass itin,
302                            list<dag> pattern>
303  : DForm_4<opcode, OOL, IOL, asmstr, itin, pattern> {
304  let RST = R;
305  let RA = R;
306  let D = 0;
307}
308
309class IForm_and_DForm_1<bits<6> opcode1, bit aa, bit lk, bits<6> opcode2,
310            dag OOL, dag IOL, string asmstr,
311            InstrItinClass itin, list<dag> pattern>
312         : I2<opcode1, opcode2, OOL, IOL, asmstr, itin> {
313  bits<5>  RST;
314  bits<5>  RA;
315  bits<16> D;
316
317  let Pattern = pattern;
318  bits<24> LI;
319
320  let Inst{6-29}  = LI;
321  let Inst{30}    = aa;
322  let Inst{31}    = lk;
323
324  let Inst{38-42}  = RST;
325  let Inst{43-47} = RA;
326  let Inst{48-63} = D;
327}
328
329// This is used to emit BL8+NOP.
330class IForm_and_DForm_4_zero<bits<6> opcode1, bit aa, bit lk, bits<6> opcode2,
331            dag OOL, dag IOL, string asmstr,
332            InstrItinClass itin, list<dag> pattern>
333         :  IForm_and_DForm_1<opcode1, aa, lk, opcode2,
334                              OOL, IOL, asmstr, itin, pattern> {
335  let RST = 0;
336  let RA = 0;
337  let D = 0;
338}
339
340class DForm_5<bits<6> opcode, dag OOL, dag IOL, string asmstr,
341              InstrItinClass itin>
342  : I<opcode, OOL, IOL, asmstr, itin> {
343  bits<3>  BF;
344  bits<1>  L;
345  bits<5>  RA;
346  bits<16> D;
347
348  let Inst{6-8}   = BF;
349  let Inst{9}     = 0;
350  let Inst{10}    = L;
351  let Inst{11-15} = RA;
352  let Inst{16-31} = D;
353}
354
355class DForm_5_ext<bits<6> opcode, dag OOL, dag IOL, string asmstr,
356                  InstrItinClass itin>
357  : DForm_5<opcode, OOL, IOL, asmstr, itin> {
358  let L = PPC64;
359}
360
361class DForm_6<bits<6> opcode, dag OOL, dag IOL, string asmstr,
362              InstrItinClass itin>
363  : DForm_5<opcode, OOL, IOL, asmstr, itin>;
364
365class DForm_6_ext<bits<6> opcode, dag OOL, dag IOL, string asmstr,
366                  InstrItinClass itin>
367  : DForm_6<opcode, OOL, IOL, asmstr, itin> {
368  let L = PPC64;
369}
370
371
372// 1.7.5 DS-Form
373class DSForm_1<bits<6> opcode, bits<2> xo, dag OOL, dag IOL, string asmstr,
374               InstrItinClass itin, list<dag> pattern>
375         : I<opcode, OOL, IOL, asmstr, itin> {
376  bits<5>  RST;
377  bits<5>  RA;
378  bits<14> D;
379
380  let Pattern = pattern;
381
382  let Inst{6-10}  = RST;
383  let Inst{11-15} = RA;
384  let Inst{16-29} = D;
385  let Inst{30-31} = xo;
386}
387
388// ISA V3.0B 1.6.6 DX-Form
389class DXForm<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
390             InstrItinClass itin, list<dag> pattern>
391         : I<opcode, OOL, IOL, asmstr, itin> {
392  bits<5>  RT;
393  bits<16> D;
394
395  let Pattern = pattern;
396
397  let Inst{6-10}  = RT;
398  let Inst{11-15} = D{5-1};  // d1
399  let Inst{16-25} = D{15-6}; // d0
400  let Inst{26-30} = xo;
401  let Inst{31}    = D{0};    // d2
402}
403
404// DQ-Form: [PO T RA DQ TX XO] or [PO S RA DQ SX XO]
405class DQ_RD6_RS5_DQ12<bits<6> opcode, bits<3> xo, dag OOL, dag IOL,
406                      string asmstr, InstrItinClass itin, list<dag> pattern>
407  : I<opcode, OOL, IOL, asmstr, itin> {
408  bits<6>  XT;
409  bits<5> RA;
410  bits<12> DQ;
411
412  let Pattern = pattern;
413
414  let Inst{6-10}  = XT{4-0};
415  let Inst{11-15} = RA;
416  let Inst{16-27} = DQ;
417  let Inst{28}    = XT{5};
418  let Inst{29-31} = xo;
419}
420
421class DQForm_RTp5_RA17_MEM<bits<6> opcode, bits<4> xo, dag OOL, dag IOL,
422                           string asmstr, InstrItinClass itin,
423                           list<dag> pattern>
424  : I<opcode, OOL, IOL, asmstr, itin> {
425  bits<5> RTp;
426  bits<5> RA;
427  bits<12> DQ;
428  let Pattern = pattern;
429
430  let Inst{6-10} =  RTp{4-0};
431  let Inst{11-15} = RA;
432  let Inst{16-27} = DQ;
433  let Inst{28-31} = xo;
434}
435
436// 1.7.6 X-Form
437class XForm_base_r3xo<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
438                      InstrItinClass itin, list<dag> pattern>
439  : I<opcode, OOL, IOL, asmstr, itin> {
440  bits<5> RST;
441  bits<5> RA;
442  bits<5> RB;
443
444  let Pattern = pattern;
445
446  bit RC = 0;    // set by isRecordForm
447
448  let Inst{6-10}  = RST;
449  let Inst{11-15} = RA;
450  let Inst{16-20} = RB;
451  let Inst{21-30} = xo;
452  let Inst{31}    = RC;
453}
454
455class XForm_base_r3xo_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
456                            string asmstr, InstrItinClass itin,
457                            list<dag> pattern>
458  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>, XFormMemOp;
459
460class XForm_tlb<bits<10> xo, dag OOL, dag IOL, string asmstr,
461                InstrItinClass itin> : XForm_base_r3xo<31, xo, OOL, IOL, asmstr, itin, []> {
462  let RST = 0;
463}
464
465class XForm_tlbilx<bits<10> xo, dag OOL, dag IOL, string asmstr,
466      InstrItinClass itin> : XForm_base_r3xo<31, xo, OOL, IOL, asmstr, itin, []> {
467  bits<5> T;
468  let RST = T;
469}
470
471class XForm_attn<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
472                 InstrItinClass itin>
473  : I<opcode, OOL, IOL, asmstr, itin> {
474  let Inst{21-30} = xo;
475}
476
477// This is the same as XForm_base_r3xo, but the first two operands are swapped
478// when code is emitted.
479class XForm_base_r3xo_swapped
480        <bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
481        InstrItinClass itin>
482  : I<opcode, OOL, IOL, asmstr, itin> {
483  bits<5> RA;
484  bits<5> RST;
485  bits<5> RB;
486
487  bit RC = 0;    // set by isRecordForm
488
489  let Inst{6-10}  = RST;
490  let Inst{11-15} = RA;
491  let Inst{16-20} = RB;
492  let Inst{21-30} = xo;
493  let Inst{31}    = RC;
494}
495
496
497class XForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
498              InstrItinClass itin, list<dag> pattern>
499  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
500
501class XForm_1_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
502              InstrItinClass itin, list<dag> pattern>
503  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
504
505class XForm_1a<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
506              InstrItinClass itin, list<dag> pattern>
507  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
508  let RST = 0;
509}
510
511class XForm_rs<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
512              InstrItinClass itin, list<dag> pattern>
513  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
514  let RA = 0;
515  let RB = 0;
516}
517
518class XForm_tlbws<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
519              InstrItinClass itin, list<dag> pattern>
520  : I<opcode, OOL, IOL, asmstr, itin> {
521  bits<5> RST;
522  bits<5> RA;
523  bits<1> WS;
524
525  let Pattern = pattern;
526
527  let Inst{6-10}  = RST;
528  let Inst{11-15} = RA;
529  let Inst{20}    = WS;
530  let Inst{21-30} = xo;
531  let Inst{31}    = 0;
532}
533
534class XForm_6<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
535              InstrItinClass itin, list<dag> pattern>
536  : XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
537  let Pattern = pattern;
538}
539
540class XForm_8<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
541              InstrItinClass itin, list<dag> pattern>
542  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
543
544class XForm_8_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
545              InstrItinClass itin, list<dag> pattern>
546  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
547
548class XForm_10<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
549               InstrItinClass itin, list<dag> pattern>
550  : XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
551    let Pattern = pattern;
552}
553
554class XForm_11<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
555               InstrItinClass itin, list<dag> pattern>
556  : XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
557  let RB = 0;
558  let Pattern = pattern;
559}
560
561class XForm_16<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
562               InstrItinClass itin>
563         : I<opcode, OOL, IOL, asmstr, itin> {
564  bits<3> BF;
565  bits<1> L;
566  bits<5> RA;
567  bits<5> RB;
568
569  let Inst{6-8}   = BF;
570  let Inst{9}     = 0;
571  let Inst{10}    = L;
572  let Inst{11-15} = RA;
573  let Inst{16-20} = RB;
574  let Inst{21-30} = xo;
575  let Inst{31}    = 0;
576}
577
578class XForm_icbt<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
579                 InstrItinClass itin>
580         : I<opcode, OOL, IOL, asmstr, itin> {
581  bits<4> CT;
582  bits<5> RA;
583  bits<5> RB;
584
585  let Inst{6} = 0;
586  let Inst{7-10} = CT;
587  let Inst{11-15} = RA;
588  let Inst{16-20} = RB;
589  let Inst{21-30} = xo;
590  let Inst{31} = 0;
591}
592
593class XForm_sr<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
594                InstrItinClass itin>
595         : I<opcode, OOL, IOL, asmstr, itin> {
596  bits<5> RS;
597  bits<4> SR;
598
599  let Inst{6-10} = RS;
600  let Inst{12-15} = SR;
601  let Inst{21-30} = xo;
602}
603
604class XForm_mbar<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
605                InstrItinClass itin>
606         : I<opcode, OOL, IOL, asmstr, itin> {
607  bits<5> MO;
608
609  let Inst{6-10} = MO;
610  let Inst{21-30} = xo;
611}
612
613class XForm_srin<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
614                InstrItinClass itin>
615         : I<opcode, OOL, IOL, asmstr, itin> {
616  bits<5> RS;
617  bits<5> RB;
618
619  let Inst{6-10} = RS;
620  let Inst{16-20} = RB;
621  let Inst{21-30} = xo;
622}
623
624class XForm_mtmsr<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
625                InstrItinClass itin>
626         : I<opcode, OOL, IOL, asmstr, itin> {
627  bits<5> RS;
628  bits<1> L;
629
630  let Inst{6-10} = RS;
631  let Inst{15} = L;
632  let Inst{21-30} = xo;
633}
634
635class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
636                   InstrItinClass itin>
637  : XForm_16<opcode, xo, OOL, IOL, asmstr, itin> {
638  let L = PPC64;
639}
640
641class XForm_17<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
642               InstrItinClass itin>
643         : I<opcode, OOL, IOL, asmstr, itin> {
644  bits<3> BF;
645  bits<5> RA;
646  bits<5> RB;
647
648  let Inst{6-8}   = BF;
649  let Inst{9-10}  = 0;
650  let Inst{11-15} = RA;
651  let Inst{16-20} = RB;
652  let Inst{21-30} = xo;
653  let Inst{31}    = 0;
654}
655
656class XForm_17a<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
657               InstrItinClass itin, list<dag> pattern>
658  : XForm_17<opcode, xo, OOL, IOL, asmstr, itin > {
659  let RA = 0;
660  let Pattern = pattern;
661}
662
663class XForm_18<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
664               InstrItinClass itin, list<dag> pattern>
665         : I<opcode, OOL, IOL, asmstr, itin> {
666  bits<5> FRT;
667  bits<5> FRA;
668  bits<5> FRB;
669
670  let Pattern = pattern;
671
672  let Inst{6-10}  = FRT;
673  let Inst{11-15} = FRA;
674  let Inst{16-20} = FRB;
675  let Inst{21-30} = xo;
676  let Inst{31}    = 0;
677}
678
679class XForm_19<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
680              InstrItinClass itin, list<dag> pattern>
681  : XForm_18<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
682  let FRA = 0;
683}
684
685class XForm_20<bits<6> opcode, bits<6> xo, dag OOL, dag IOL, string asmstr,
686               InstrItinClass itin, list<dag> pattern>
687         : I<opcode, OOL, IOL, asmstr, itin> {
688  bits<5> FRT;
689  bits<5> FRA;
690  bits<5> FRB;
691  bits<4> tttt;
692
693  let Pattern = pattern;
694
695  let Inst{6-10}  = FRT;
696  let Inst{11-15} = FRA;
697  let Inst{16-20} = FRB;
698  let Inst{21-24} = tttt;
699  let Inst{25-30} = xo;
700  let Inst{31}    = 0;
701}
702
703class XForm_24<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
704               InstrItinClass itin, list<dag> pattern>
705  : I<opcode, OOL, IOL, asmstr, itin> {
706  let Pattern = pattern;
707  let Inst{6-10}  = 31;
708  let Inst{11-15} = 0;
709  let Inst{16-20} = 0;
710  let Inst{21-30} = xo;
711  let Inst{31}    = 0;
712}
713
714class XForm_24_sync<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
715               string asmstr, InstrItinClass itin, list<dag> pattern>
716  : I<opcode, OOL, IOL, asmstr, itin> {
717  bits<2> L;
718
719  let Pattern = pattern;
720  let Inst{6-8}   = 0;
721  let Inst{9-10}  = L;
722  let Inst{11-15} = 0;
723  let Inst{16-20} = 0;
724  let Inst{21-30} = xo;
725  let Inst{31}    = 0;
726}
727
728class XForm_IMM2_IMM2<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
729               string asmstr, InstrItinClass itin, list<dag> pattern>
730  : I<opcode, OOL, IOL, asmstr, itin> {
731  bits<2> L;
732  bits<2> PL;
733
734  let Pattern = pattern;
735  let Inst{6-8}   = 0;
736  let Inst{9-10}  = L;
737  let Inst{11-13} = 0;
738  let Inst{14-15} = PL;
739  let Inst{16-20} = 0;
740  let Inst{21-30} = xo;
741  let Inst{31}    = 0;
742}
743
744class XForm_IMM3_IMM2<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
745               string asmstr, InstrItinClass itin, list<dag> pattern>
746  : I<opcode, OOL, IOL, asmstr, itin> {
747  bits<3> L;
748  bits<2> SC;
749
750  let Pattern = pattern;
751  let Inst{6-7}   = 0;
752  let Inst{8-10}  = L;
753  let Inst{11-13} = 0;
754  let Inst{14-15} = SC;
755  let Inst{16-20} = 0;
756  let Inst{21-30} = xo;
757  let Inst{31}    = 0;
758}
759
760class XForm_24_eieio<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
761               string asmstr, InstrItinClass itin, list<dag> pattern>
762  : XForm_24_sync<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
763  let L = 0;
764}
765
766class XForm_25<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
767               InstrItinClass itin, list<dag> pattern>
768  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
769}
770
771class XForm_25_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
772                    string asmstr, InstrItinClass itin, list<dag> pattern>
773  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
774}
775
776// [PO RT /// RB XO RC]
777class XForm_26<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
778               InstrItinClass itin, list<dag> pattern>
779  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
780  let RA = 0;
781}
782
783class XForm_28_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
784                    string asmstr, InstrItinClass itin, list<dag> pattern>
785  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
786}
787
788class XForm_28<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
789               InstrItinClass itin, list<dag> pattern>
790  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
791}
792
793// This is used for MFFS, MTFSB0, MTFSB1.  42 is arbitrary; this series of
794// numbers presumably relates to some document, but I haven't found it.
795class XForm_42<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
796              InstrItinClass itin, list<dag> pattern>
797  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
798  let Pattern = pattern;
799
800  bit RC = 0;    // set by isRecordForm
801
802  let Inst{6-10}  = RST;
803  let Inst{11-20} = 0;
804  let Inst{21-30} = xo;
805  let Inst{31}    = RC;
806}
807class XForm_43<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
808              InstrItinClass itin, list<dag> pattern>
809  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
810  let Pattern = pattern;
811  bits<5> FM;
812
813  bit RC = 0;    // set by isRecordForm
814
815  let Inst{6-10}  = FM;
816  let Inst{11-20} = 0;
817  let Inst{21-30} = xo;
818  let Inst{31}    = RC;
819}
820
821class XForm_44<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
822               InstrItinClass itin>
823         : I<opcode, OOL, IOL, asmstr, itin> {
824  bits<5> RT;
825  bits<3> BFA;
826
827  let Inst{6-10}  = RT;
828  let Inst{11-13} = BFA;
829  let Inst{14-15} = 0;
830  let Inst{16-20} = 0;
831  let Inst{21-30} = xo;
832  let Inst{31}    = 0;
833}
834
835class XForm_45<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
836               InstrItinClass itin>
837         : I<opcode, OOL, IOL, asmstr, itin> {
838  bits<5> RT;
839  bits<2> L;
840
841  let Inst{6-10}  = RT;
842  let Inst{11-13} = 0;
843  let Inst{14-15} = L;
844  let Inst{16-20} = 0;
845  let Inst{21-30} = xo;
846  let Inst{31}    = 0;
847}
848
849class X_FRT5_XO2_XO3_XO10<bits<6> opcode, bits<2> xo1, bits<3> xo2, bits<10> xo,
850                         dag OOL, dag IOL, string asmstr, InstrItinClass itin,
851                         list<dag> pattern>
852  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
853  let Pattern = pattern;
854
855  let Inst{6-10}  = RST;
856  let Inst{11-12} = xo1;
857  let Inst{13-15} = xo2;
858  let Inst{16-20} = 0;
859  let Inst{21-30} = xo;
860  let Inst{31}    = 0;
861}
862
863class X_FRT5_XO2_XO3_FRB5_XO10<bits<6> opcode, bits<2> xo1, bits<3> xo2,
864                              bits<10> xo, dag OOL, dag IOL, string asmstr,
865                              InstrItinClass itin, list<dag> pattern>
866  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
867  let Pattern = pattern;
868  bits<5> FRB;
869
870  let Inst{6-10}  = RST;
871  let Inst{11-12} = xo1;
872  let Inst{13-15} = xo2;
873  let Inst{16-20} = FRB;
874  let Inst{21-30} = xo;
875  let Inst{31}    = 0;
876}
877
878class X_FRT5_XO2_XO3_DRM3_XO10<bits<6> opcode, bits<2> xo1, bits<3> xo2,
879                              bits<10> xo, dag OOL, dag IOL, string asmstr,
880                              InstrItinClass itin, list<dag> pattern>
881  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
882  let Pattern = pattern;
883  bits<3> DRM;
884
885  let Inst{6-10}  = RST;
886  let Inst{11-12} = xo1;
887  let Inst{13-15} = xo2;
888  let Inst{16-17} = 0;
889  let Inst{18-20} = DRM;
890  let Inst{21-30} = xo;
891  let Inst{31}    = 0;
892}
893
894class X_FRT5_XO2_XO3_RM2_X10<bits<6> opcode, bits<2> xo1, bits<3> xo2,
895                            bits<10> xo, dag OOL, dag IOL, string asmstr,
896                            InstrItinClass itin, list<dag> pattern>
897  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
898  let Pattern = pattern;
899  bits<2> RM;
900
901  let Inst{6-10}  = RST;
902  let Inst{11-12} = xo1;
903  let Inst{13-15} = xo2;
904  let Inst{16-18} = 0;
905  let Inst{19-20} = RM;
906  let Inst{21-30} = xo;
907  let Inst{31}    = 0;
908}
909
910
911class XForm_0<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
912              InstrItinClass itin, list<dag> pattern>
913  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
914  let RST = 0;
915  let RA = 0;
916  let RB = 0;
917}
918
919class XForm_16b<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
920              InstrItinClass itin, list<dag> pattern>
921  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
922  let RST = 0;
923  let RA = 0;
924}
925
926class XForm_htm0<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
927                 string asmstr, InstrItinClass itin>
928  : I<opcode, OOL, IOL, asmstr, itin> {
929  bit R;
930
931  bit RC = 1;
932
933  let Inst{6-9}   = 0;
934  let Inst{10}    = R;
935  let Inst{11-20} = 0;
936  let Inst{21-30} = xo;
937  let Inst{31}    = RC;
938}
939
940class XForm_htm1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
941                 string asmstr, InstrItinClass itin>
942  : I<opcode, OOL, IOL, asmstr, itin> {
943  bit A;
944
945  bit RC = 1;
946
947  let Inst{6}     = A;
948  let Inst{7-20}  = 0;
949  let Inst{21-30} = xo;
950  let Inst{31}    = RC;
951}
952
953class XForm_htm2<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
954              InstrItinClass itin>
955  : I<opcode, OOL, IOL, asmstr, itin> {
956  bit L;
957
958  bit RC = 0;    // set by isRecordForm
959
960  let Inst{7-9}   = 0;
961  let Inst{10}    = L;
962  let Inst{11-20} = 0;
963  let Inst{21-30} = xo;
964  let Inst{31}    = RC;
965}
966
967class XForm_htm3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
968              InstrItinClass itin>
969  : I<opcode, OOL, IOL, asmstr, itin> {
970  bits<3> BF;
971
972  bit RC = 0;
973
974  let Inst{6-8}   = BF;
975  let Inst{9-20}  = 0;
976  let Inst{21-30} = xo;
977  let Inst{31}    = RC;
978}
979
980// [PO RT RA RB XO /]
981class X_BF3_L1_RS5_RS5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
982                       string asmstr, InstrItinClass itin, list<dag> pattern>
983  : I<opcode, OOL, IOL, asmstr, itin> {
984  bits<3> BF;
985  bits<1> L;
986  bits<5> RA;
987  bits<5> RB;
988
989  let Pattern = pattern;
990
991  let Inst{6-8}   = BF;
992  let Inst{9}     = 0;
993  let Inst{10}    = L;
994  let Inst{11-15} = RA;
995  let Inst{16-20} = RB;
996  let Inst{21-30} = xo;
997  let Inst{31}    = 0;
998}
999
1000// Same as XForm_17 but with GPR's and new naming convention
1001class X_BF3_RS5_RS5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1002                    string asmstr, InstrItinClass itin, list<dag> pattern>
1003         : I<opcode, OOL, IOL, asmstr, itin> {
1004  bits<3> BF;
1005  bits<5> RA;
1006  bits<5> RB;
1007
1008  let Pattern = pattern;
1009
1010  let Inst{6-8}   = BF;
1011  let Inst{9-10}  = 0;
1012  let Inst{11-15} = RA;
1013  let Inst{16-20} = RB;
1014  let Inst{21-30} = xo;
1015  let Inst{31}    = 0;
1016}
1017
1018// e.g. [PO VRT XO VRB XO /] or [PO VRT XO VRB XO RO]
1019class X_RD5_XO5_RS5<bits<6> opcode, bits<5> xo2, bits<10> xo, dag OOL, dag IOL,
1020                    string asmstr, InstrItinClass itin, list<dag> pattern>
1021  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1022  let RA = xo2;
1023}
1024
1025class X_BF3_DCMX7_RS5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1026                      string asmstr, InstrItinClass itin, list<dag> pattern>
1027  : I<opcode, OOL, IOL, asmstr, itin> {
1028  bits<3> BF;
1029  bits<7> DCMX;
1030  bits<5> VB;
1031
1032  let Pattern = pattern;
1033
1034  let Inst{6-8}  = BF;
1035  let Inst{9-15} = DCMX;
1036  let Inst{16-20} = VB;
1037  let Inst{21-30} = xo;
1038  let Inst{31}    = 0;
1039}
1040
1041class X_RD6_IMM8<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1042                 string asmstr, InstrItinClass itin, list<dag> pattern>
1043  : I<opcode, OOL, IOL, asmstr, itin> {
1044  bits<6> XT;
1045  bits<8> IMM8;
1046
1047  let Pattern = pattern;
1048
1049  let Inst{6-10}  = XT{4-0};
1050  let Inst{11-12} = 0;
1051  let Inst{13-20} = IMM8;
1052  let Inst{21-30} = xo;
1053  let Inst{31}    = XT{5};
1054}
1055
1056// XForm_base_r3xo for instructions such as P9 atomics where we don't want
1057// to specify an SDAG pattern for matching.
1058class X_RD5_RS5_IM5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1059                    string asmstr, InstrItinClass itin>
1060  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, []> {
1061}
1062
1063class X_BF3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1064            InstrItinClass itin>
1065  : XForm_17<opcode, xo, OOL, IOL, asmstr, itin> {
1066  let RA = 0;
1067  let RB = 0;
1068}
1069
1070// [PO /// L RA RB XO /]
1071class X_L1_RS5_RS5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1072                   string asmstr, InstrItinClass itin, list<dag> pattern>
1073  : XForm_16<opcode, xo, OOL, IOL, asmstr, itin> {
1074  let BF = 0;
1075  let Pattern = pattern;
1076
1077  bit RC = 0;
1078  let Inst{31} = RC;
1079}
1080
1081// XX*-Form (VSX)
1082class XX1Form<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1083              InstrItinClass itin, list<dag> pattern>
1084  : I<opcode, OOL, IOL, asmstr, itin> {
1085  bits<6> XT;
1086  bits<5> RA;
1087  bits<5> RB;
1088
1089  let Pattern = pattern;
1090
1091  let Inst{6-10}  = XT{4-0};
1092  let Inst{11-15} = RA;
1093  let Inst{16-20} = RB;
1094  let Inst{21-30} = xo;
1095  let Inst{31}    = XT{5};
1096}
1097
1098class XX1Form_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1099                    string asmstr, InstrItinClass itin, list<dag> pattern>
1100  : XX1Form<opcode, xo, OOL, IOL, asmstr, itin, pattern>, XFormMemOp;
1101
1102class XX1_RS6_RD5_XO<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1103                     string asmstr, InstrItinClass itin, list<dag> pattern>
1104  : XX1Form<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1105  let RB = 0;
1106}
1107
1108class XX2Form<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
1109              InstrItinClass itin, list<dag> pattern>
1110  : I<opcode, OOL, IOL, asmstr, itin> {
1111  bits<6> XT;
1112  bits<6> XB;
1113
1114  let Pattern = pattern;
1115
1116  let Inst{6-10}  = XT{4-0};
1117  let Inst{11-15} = 0;
1118  let Inst{16-20} = XB{4-0};
1119  let Inst{21-29} = xo;
1120  let Inst{30}    = XB{5};
1121  let Inst{31}    = XT{5};
1122}
1123
1124class XX2Form_1<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
1125                InstrItinClass itin, list<dag> pattern>
1126  : I<opcode, OOL, IOL, asmstr, itin> {
1127  bits<3> CR;
1128  bits<6> XB;
1129
1130  let Pattern = pattern;
1131
1132  let Inst{6-8}   = CR;
1133  let Inst{9-15}  = 0;
1134  let Inst{16-20} = XB{4-0};
1135  let Inst{21-29} = xo;
1136  let Inst{30}    = XB{5};
1137  let Inst{31}    = 0;
1138}
1139
1140class XX2Form_2<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
1141                InstrItinClass itin, list<dag> pattern>
1142  : I<opcode, OOL, IOL, asmstr, itin> {
1143  bits<6> XT;
1144  bits<6> XB;
1145  bits<2> D;
1146
1147  let Pattern = pattern;
1148
1149  let Inst{6-10}  = XT{4-0};
1150  let Inst{11-13} = 0;
1151  let Inst{14-15} = D;
1152  let Inst{16-20} = XB{4-0};
1153  let Inst{21-29} = xo;
1154  let Inst{30}    = XB{5};
1155  let Inst{31}    = XT{5};
1156}
1157
1158class XX2_RD6_UIM5_RS6<bits<6> opcode, bits<9> xo, dag OOL, dag IOL,
1159                       string asmstr, InstrItinClass itin, list<dag> pattern>
1160  : I<opcode, OOL, IOL, asmstr, itin> {
1161  bits<6> XT;
1162  bits<6> XB;
1163  bits<5> UIM5;
1164
1165  let Pattern = pattern;
1166
1167  let Inst{6-10}  = XT{4-0};
1168  let Inst{11-15} = UIM5;
1169  let Inst{16-20} = XB{4-0};
1170  let Inst{21-29} = xo;
1171  let Inst{30}    = XB{5};
1172  let Inst{31}    = XT{5};
1173}
1174
1175// [PO T XO B XO BX /]
1176class XX2_RD5_XO5_RS6<bits<6> opcode, bits<5> xo2, bits<9> xo, dag OOL, dag IOL,
1177                       string asmstr, InstrItinClass itin, list<dag> pattern>
1178  : I<opcode, OOL, IOL, asmstr, itin> {
1179  bits<5> RT;
1180  bits<6> XB;
1181
1182  let Pattern = pattern;
1183
1184  let Inst{6-10}  = RT;
1185  let Inst{11-15} = xo2;
1186  let Inst{16-20} = XB{4-0};
1187  let Inst{21-29} = xo;
1188  let Inst{30}    = XB{5};
1189  let Inst{31}    = 0;
1190}
1191
1192// [PO T XO B XO BX TX]
1193class XX2_RD6_XO5_RS6<bits<6> opcode, bits<5> xo2, bits<9> xo, dag OOL, dag IOL,
1194                      string asmstr, InstrItinClass itin, list<dag> pattern>
1195  : I<opcode, OOL, IOL, asmstr, itin> {
1196  bits<6> XT;
1197  bits<6> XB;
1198
1199  let Pattern = pattern;
1200
1201  let Inst{6-10}  = XT{4-0};
1202  let Inst{11-15} = xo2;
1203  let Inst{16-20} = XB{4-0};
1204  let Inst{21-29} = xo;
1205  let Inst{30}    = XB{5};
1206  let Inst{31}    = XT{5};
1207}
1208
1209class XX2_BF3_DCMX7_RS6<bits<6> opcode, bits<9> xo, dag OOL, dag IOL,
1210                      string asmstr, InstrItinClass itin, list<dag> pattern>
1211  : I<opcode, OOL, IOL, asmstr, itin> {
1212  bits<3> BF;
1213  bits<7> DCMX;
1214  bits<6> XB;
1215
1216  let Pattern = pattern;
1217
1218  let Inst{6-8}  = BF;
1219  let Inst{9-15} = DCMX;
1220  let Inst{16-20} = XB{4-0};
1221  let Inst{21-29} = xo;
1222  let Inst{30}    = XB{5};
1223  let Inst{31}    = 0;
1224}
1225
1226class XX2_RD6_DCMX7_RS6<bits<6> opcode, bits<4> xo1, bits<3> xo2,
1227                        dag OOL, dag IOL, string asmstr, InstrItinClass itin,
1228                        list<dag> pattern>
1229  : I<opcode, OOL, IOL, asmstr, itin> {
1230  bits<6> XT;
1231  bits<7> DCMX;
1232  bits<6> XB;
1233
1234  let Pattern = pattern;
1235
1236  let Inst{6-10}  = XT{4-0};
1237  let Inst{11-15} = DCMX{4-0};
1238  let Inst{16-20} = XB{4-0};
1239  let Inst{21-24} = xo1;
1240  let Inst{25}    = DCMX{6};
1241  let Inst{26-28} = xo2;
1242  let Inst{29}    = DCMX{5};
1243  let Inst{30}    = XB{5};
1244  let Inst{31}    = XT{5};
1245}
1246
1247class XForm_XD6_RA5_RB5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1248                        string asmstr, InstrItinClass itin, list<dag> pattern>
1249  : I<opcode, OOL, IOL, asmstr, itin> {
1250  bits<5> RA;
1251  bits<6> D;
1252  bits<5> RB;
1253
1254  let Pattern = pattern;
1255
1256  let Inst{6-10}  = D{4-0};  // D
1257  let Inst{11-15} = RA;
1258  let Inst{16-20} = RB;
1259  let Inst{21-30} = xo;
1260  let Inst{31}    = D{5};    // DX
1261}
1262
1263class XForm_BF3_UIM6_FRB5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1264                          string asmstr, InstrItinClass itin, list<dag> pattern>
1265  : I<opcode, OOL, IOL, asmstr, itin> {
1266  bits<3> BF;
1267  bits<6> UIM;
1268  bits<5> FRB;
1269
1270  let Pattern = pattern;
1271
1272  let Inst{6-8}   = BF;
1273  let Inst{9}     = 0;
1274  let Inst{10-15} = UIM;
1275  let Inst{16-20} = FRB;
1276  let Inst{21-30} = xo;
1277  let Inst{31}    = 0;
1278}
1279
1280class XForm_SP2_FRTB5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1281                  list<dag> pattern, InstrItinClass itin>
1282    : I<opcode, OOL, IOL, asmstr, itin> {
1283  bits<2> SP;
1284  bits<5> FRT;
1285  bits<5> FRB;
1286
1287  let Pattern = pattern;
1288
1289  bit RC = 0; // set by isRecordForm
1290
1291  let Inst{6 - 10} = FRT;
1292  let Inst{11 - 12} = SP;
1293  let Inst{13 - 15} = 0;
1294  let Inst{16 - 20} = FRB;
1295  let Inst{21 - 30} = xo;
1296  let Inst{31} = RC;
1297}
1298
1299class XForm_S1_FRTB5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1300                 string asmstr, list<dag> pattern, InstrItinClass itin>
1301    : I<opcode, OOL, IOL, asmstr, itin> {
1302  bit S;
1303  bits<5> FRT;
1304  bits<5> FRB;
1305
1306  let Pattern = pattern;
1307
1308  bit RC = 0; // set by isRecordForm
1309
1310  let Inst{6 - 10} = FRT;
1311  let Inst{11} = S;
1312  let Inst{12 - 15} = 0;
1313  let Inst{16 - 20} = FRB;
1314  let Inst{21 - 30} = xo;
1315  let Inst{31} = RC;
1316}
1317
1318class XX3Form<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
1319              InstrItinClass itin, list<dag> pattern>
1320  : I<opcode, OOL, IOL, asmstr, itin> {
1321  bits<6> XT;
1322  bits<6> XA;
1323  bits<6> XB;
1324
1325  let Pattern = pattern;
1326
1327  let Inst{6-10}  = XT{4-0};
1328  let Inst{11-15} = XA{4-0};
1329  let Inst{16-20} = XB{4-0};
1330  let Inst{21-28} = xo;
1331  let Inst{29}    = XA{5};
1332  let Inst{30}    = XB{5};
1333  let Inst{31}    = XT{5};
1334}
1335
1336class XX3Form_SameOp<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
1337              InstrItinClass itin, list<dag> pattern>
1338  : XX3Form<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1339  let XA = XT;
1340  let XB = XT;
1341}
1342
1343class XX3Form_1<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
1344                InstrItinClass itin, list<dag> pattern>
1345  : I<opcode, OOL, IOL, asmstr, itin> {
1346  bits<3> CR;
1347  bits<6> XA;
1348  bits<6> XB;
1349
1350  let Pattern = pattern;
1351
1352  let Inst{6-8}   = CR;
1353  let Inst{9-10}  = 0;
1354  let Inst{11-15} = XA{4-0};
1355  let Inst{16-20} = XB{4-0};
1356  let Inst{21-28} = xo;
1357  let Inst{29}    = XA{5};
1358  let Inst{30}    = XB{5};
1359  let Inst{31}    = 0;
1360}
1361
1362class XX3Form_2<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1363                InstrItinClass itin, list<dag> pattern>
1364  : I<opcode, OOL, IOL, asmstr, itin> {
1365  bits<6> XT;
1366  bits<6> XA;
1367  bits<6> XB;
1368  bits<2> D;
1369
1370  let Pattern = pattern;
1371
1372  let Inst{6-10}  = XT{4-0};
1373  let Inst{11-15} = XA{4-0};
1374  let Inst{16-20} = XB{4-0};
1375  let Inst{21}    = 0;
1376  let Inst{22-23} = D;
1377  let Inst{24-28} = xo;
1378  let Inst{29}    = XA{5};
1379  let Inst{30}    = XB{5};
1380  let Inst{31}    = XT{5};
1381}
1382
1383class XX3Form_Rc<bits<6> opcode, bits<7> xo, dag OOL, dag IOL, string asmstr,
1384              InstrItinClass itin, list<dag> pattern>
1385  : I<opcode, OOL, IOL, asmstr, itin> {
1386  bits<6> XT;
1387  bits<6> XA;
1388  bits<6> XB;
1389
1390  let Pattern = pattern;
1391
1392  bit RC = 0;    // set by isRecordForm
1393
1394  let Inst{6-10}  = XT{4-0};
1395  let Inst{11-15} = XA{4-0};
1396  let Inst{16-20} = XB{4-0};
1397  let Inst{21}    = RC;
1398  let Inst{22-28} = xo;
1399  let Inst{29}    = XA{5};
1400  let Inst{30}    = XB{5};
1401  let Inst{31}    = XT{5};
1402}
1403
1404class XX4Form<bits<6> opcode, bits<2> xo, dag OOL, dag IOL, string asmstr,
1405              InstrItinClass itin, list<dag> pattern>
1406  : I<opcode, OOL, IOL, asmstr, itin> {
1407  bits<6> XT;
1408  bits<6> XA;
1409  bits<6> XB;
1410  bits<6> XC;
1411
1412  let Pattern = pattern;
1413
1414  let Inst{6-10}  = XT{4-0};
1415  let Inst{11-15} = XA{4-0};
1416  let Inst{16-20} = XB{4-0};
1417  let Inst{21-25} = XC{4-0};
1418  let Inst{26-27} = xo;
1419  let Inst{28}    = XC{5};
1420  let Inst{29}    = XA{5};
1421  let Inst{30}    = XB{5};
1422  let Inst{31}    = XT{5};
1423}
1424
1425// DCB_Form - Form X instruction, used for dcb* instructions.
1426class DCB_Form<bits<10> xo, bits<5> immfield, dag OOL, dag IOL, string asmstr,
1427                      InstrItinClass itin, list<dag> pattern>
1428  : I<31, OOL, IOL, asmstr, itin> {
1429  bits<5> RA;
1430  bits<5> RB;
1431
1432  let Pattern = pattern;
1433
1434  let Inst{6-10}  = immfield;
1435  let Inst{11-15} = RA;
1436  let Inst{16-20} = RB;
1437  let Inst{21-30} = xo;
1438  let Inst{31}    = 0;
1439}
1440
1441class DCB_Form_hint<bits<10> xo, dag OOL, dag IOL, string asmstr,
1442                    InstrItinClass itin, list<dag> pattern>
1443  : I<31, OOL, IOL, asmstr, itin> {
1444  bits<5> TH;
1445  bits<5> RA;
1446  bits<5> RB;
1447
1448  let Pattern = pattern;
1449
1450  let Inst{6-10}  = TH;
1451  let Inst{11-15} = RA;
1452  let Inst{16-20} = RB;
1453  let Inst{21-30} = xo;
1454  let Inst{31}    = 0;
1455}
1456
1457// DSS_Form - Form X instruction, used for altivec dss* instructions.
1458class DSS_Form<bits<1> T, bits<10> xo, dag OOL, dag IOL, string asmstr,
1459                      InstrItinClass itin, list<dag> pattern>
1460  : I<31, OOL, IOL, asmstr, itin> {
1461  bits<2> STRM;
1462  bits<5> RA;
1463  bits<5> RB;
1464
1465  let Pattern = pattern;
1466
1467  let Inst{6}     = T;
1468  let Inst{7-8}   = 0;
1469  let Inst{9-10}  = STRM;
1470  let Inst{11-15} = RA;
1471  let Inst{16-20} = RB;
1472  let Inst{21-30} = xo;
1473  let Inst{31}    = 0;
1474}
1475
1476// 1.7.7 XL-Form
1477class XLForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1478               InstrItinClass itin, list<dag> pattern>
1479    : I<opcode, OOL, IOL, asmstr, itin> {
1480  bits<5> CRD;
1481  bits<5> CRA;
1482  bits<5> CRB;
1483
1484  let Pattern = pattern;
1485
1486  let Inst{6-10}  = CRD;
1487  let Inst{11-15} = CRA;
1488  let Inst{16-20} = CRB;
1489  let Inst{21-30} = xo;
1490  let Inst{31}    = 0;
1491}
1492
1493// XL-Form for unary alias for CRNOR (CRNOT)
1494class XLForm_1s<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1495                InstrItinClass itin, list<dag> pattern>
1496    : XLForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1497  let CRB = CRA;
1498}
1499
1500class XLForm_1_np<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1501                  InstrItinClass itin, list<dag> pattern>
1502  : XLForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1503  let CRD = 0;
1504  let CRA = 0;
1505  let CRB = 0;
1506}
1507
1508class XLForm_1_gen<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1509                   InstrItinClass itin, list<dag> pattern>
1510  : XLForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1511  bits<5> RT;
1512  bits<5> RB;
1513
1514  let CRD = RT;
1515  let CRA = 0;
1516  let CRB = RB;
1517}
1518
1519class XLForm_1_ext<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1520               InstrItinClass itin, list<dag> pattern>
1521    : I<opcode, OOL, IOL, asmstr, itin> {
1522  bits<5> CRD;
1523
1524  let Pattern = pattern;
1525
1526  let Inst{6-10}  = CRD;
1527  let Inst{11-15} = CRD;
1528  let Inst{16-20} = CRD;
1529  let Inst{21-30} = xo;
1530  let Inst{31}    = 0;
1531}
1532
1533class XLForm_2<bits<6> opcode, bits<10> xo, bit lk, dag OOL, dag IOL, string asmstr,
1534               InstrItinClass itin, list<dag> pattern>
1535    : I<opcode, OOL, IOL, asmstr, itin> {
1536  bits<5> BO;
1537  bits<5> BI;
1538  bits<2> BH;
1539
1540  let Pattern = pattern;
1541
1542  let Inst{6-10}  = BO;
1543  let Inst{11-15} = BI;
1544  let Inst{16-18} = 0;
1545  let Inst{19-20} = BH;
1546  let Inst{21-30} = xo;
1547  let Inst{31}    = lk;
1548}
1549
1550class XLForm_2_br<bits<6> opcode, bits<10> xo, bit lk,
1551                  dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
1552  : XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
1553  bits<7> BIBO;  // 2 bits of BI and 5 bits of BO.
1554  bits<3>  CR;
1555
1556  let BO = BIBO{4-0};
1557  let BI{0-1} = BIBO{5-6};
1558  let BI{2-4} = CR{0-2};
1559  let BH = 0;
1560}
1561
1562class XLForm_2_br2<bits<6> opcode, bits<10> xo, bits<5> bo, bit lk,
1563                   dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
1564  : XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
1565  let BO = bo;
1566  let BH = 0;
1567}
1568
1569class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo,  bits<5> bi, bit lk,
1570                  dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
1571  : XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
1572  let BO = bo;
1573  let BI = bi;
1574  let BH = 0;
1575}
1576
1577class XLForm_3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1578               InstrItinClass itin>
1579         : I<opcode, OOL, IOL, asmstr, itin> {
1580  bits<3> BF;
1581  bits<3> BFA;
1582
1583  let Inst{6-8}   = BF;
1584  let Inst{9-10}  = 0;
1585  let Inst{11-13} = BFA;
1586  let Inst{14-15} = 0;
1587  let Inst{16-20} = 0;
1588  let Inst{21-30} = xo;
1589  let Inst{31}    = 0;
1590}
1591
1592class XLForm_4<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1593               InstrItinClass itin>
1594         : I<opcode, OOL, IOL, asmstr, itin> {
1595  bits<3> BF;
1596  bit W;
1597  bits<4> U;
1598
1599  bit RC = 0;
1600
1601  let Inst{6-8}   = BF;
1602  let Inst{9-10}  = 0;
1603  let Inst{11-14} = 0;
1604  let Inst{15}    = W;
1605  let Inst{16-19} = U;
1606  let Inst{20}    = 0;
1607  let Inst{21-30} = xo;
1608  let Inst{31}    = RC;
1609}
1610
1611class XLForm_S<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1612               InstrItinClass itin, list<dag> pattern>
1613    : I<opcode, OOL, IOL, asmstr, itin> {
1614  bits<1> S;
1615
1616  let Pattern = pattern;
1617
1618  let Inst{6-19}  = 0;
1619  let Inst{20}    = S;
1620  let Inst{21-30} = xo;
1621  let Inst{31}    = 0;
1622}
1623
1624class XLForm_2_and_DSForm_1<bits<6> opcode1, bits<10> xo1, bit lk,
1625                            bits<6> opcode2, bits<2> xo2,
1626                            dag OOL, dag IOL, string asmstr,
1627                            InstrItinClass itin, list<dag> pattern>
1628        : I2<opcode1, opcode2, OOL, IOL, asmstr, itin> {
1629  bits<5> BO;
1630  bits<5> BI;
1631  bits<2> BH;
1632
1633  bits<5>  RST;
1634  bits<5>  RA;
1635  bits<14> D;
1636
1637  let Pattern = pattern;
1638
1639  let Inst{6-10}  = BO;
1640  let Inst{11-15} = BI;
1641  let Inst{16-18} = 0;
1642  let Inst{19-20} = BH;
1643  let Inst{21-30} = xo1;
1644  let Inst{31}    = lk;
1645
1646  let Inst{38-42} = RST;
1647  let Inst{43-47} = RA;
1648  let Inst{48-61} = D;
1649  let Inst{62-63} = xo2;
1650}
1651
1652class XLForm_2_ext_and_DSForm_1<bits<6> opcode1, bits<10> xo1,
1653                                bits<5> bo, bits<5> bi, bit lk,
1654                                bits<6> opcode2, bits<2> xo2,
1655                                dag OOL, dag IOL, string asmstr,
1656                                InstrItinClass itin, list<dag> pattern>
1657  : XLForm_2_and_DSForm_1<opcode1, xo1, lk, opcode2, xo2,
1658                          OOL, IOL, asmstr, itin, pattern> {
1659  let BO = bo;
1660  let BI = bi;
1661  let BH = 0;
1662}
1663
1664class XLForm_2_ext_and_DForm_1<bits<6> opcode1, bits<10> xo1, bits<5> bo,
1665                               bits<5> bi, bit lk, bits<6> opcode2, dag OOL,
1666                               dag IOL, string asmstr, InstrItinClass itin,
1667                               list<dag> pattern>
1668  : I2<opcode1, opcode2, OOL, IOL, asmstr, itin> {
1669
1670  bits<5>  RST;
1671  bits<5>  RA;
1672  bits<16> D;
1673
1674  let Pattern = pattern;
1675
1676  let Inst{6-10} = bo;
1677  let Inst{11-15} = bi;
1678  let Inst{16-18} = 0;
1679  let Inst{19-20} = 0;  // Unused (BH)
1680  let Inst{21-30} = xo1;
1681  let Inst{31} = lk;
1682
1683  let Inst{38-42} = RST;
1684  let Inst{43-47} = RA;
1685  let Inst{48-63} = D;
1686}
1687
1688// 1.7.8 XFX-Form
1689class XFXForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1690                InstrItinClass itin>
1691         : I<opcode, OOL, IOL, asmstr, itin> {
1692  bits<5>  RST;
1693  bits<10> SPR;
1694
1695  let Inst{6-10}  = RST;
1696  let Inst{11}    = SPR{4};
1697  let Inst{12}    = SPR{3};
1698  let Inst{13}    = SPR{2};
1699  let Inst{14}    = SPR{1};
1700  let Inst{15}    = SPR{0};
1701  let Inst{16}    = SPR{9};
1702  let Inst{17}    = SPR{8};
1703  let Inst{18}    = SPR{7};
1704  let Inst{19}    = SPR{6};
1705  let Inst{20}    = SPR{5};
1706  let Inst{21-30} = xo;
1707  let Inst{31}    = 0;
1708}
1709
1710class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
1711                   dag OOL, dag IOL, string asmstr, InstrItinClass itin>
1712  : XFXForm_1<opcode, xo, OOL, IOL, asmstr, itin> {
1713  let SPR = spr;
1714}
1715
1716class XFXForm_3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1717                InstrItinClass itin>
1718         : I<opcode, OOL, IOL, asmstr, itin> {
1719  bits<5>  RT;
1720
1721  let Inst{6-10}  = RT;
1722  let Inst{11-20} = 0;
1723  let Inst{21-30} = xo;
1724  let Inst{31}    = 0;
1725}
1726
1727class XFXForm_3p<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1728                 InstrItinClass itin, list<dag> pattern>
1729         : I<opcode, OOL, IOL, asmstr, itin> {
1730  bits<5>  RT;
1731  bits<10> imm;
1732  let Pattern = pattern;
1733
1734  let Inst{6-10}  = RT;
1735  let Inst{11-20} = imm;
1736  let Inst{21-30} = xo;
1737  let Inst{31}    = 0;
1738}
1739
1740class XFXForm_5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1741                InstrItinClass itin>
1742  : I<opcode, OOL, IOL, asmstr, itin> {
1743  bits<8>  FXM;
1744  bits<5>  RST;
1745
1746  let Inst{6-10}  = RST;
1747  let Inst{11}    = 0;
1748  let Inst{12-19} = FXM;
1749  let Inst{20}    = 0;
1750  let Inst{21-30} = xo;
1751  let Inst{31}    = 0;
1752}
1753
1754class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1755                 InstrItinClass itin>
1756  : I<opcode, OOL, IOL, asmstr, itin> {
1757  bits<5>  RST;
1758  bits<8>  FXM;
1759
1760  let Inst{6-10}  = RST;
1761  let Inst{11}    = 1;
1762  let Inst{12-19} = FXM;
1763  let Inst{20}    = 0;
1764  let Inst{21-30} = xo;
1765  let Inst{31}    = 0;
1766}
1767
1768// XFL-Form - MTFSF
1769// This is probably 1.7.9, but I don't have the reference that uses this
1770// numbering scheme...
1771class XFLForm<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1772              InstrItinClass itin, list<dag>pattern>
1773  : I<opcode, OOL, IOL, asmstr, itin> {
1774  bits<8> FM;
1775  bits<5> RT;
1776
1777  bit RC = 0;    // set by isRecordForm
1778  let Pattern = pattern;
1779
1780  let Inst{6} = 0;
1781  let Inst{7-14}  = FM;
1782  let Inst{15} = 0;
1783  let Inst{16-20} = RT;
1784  let Inst{21-30} = xo;
1785  let Inst{31}    = RC;
1786}
1787
1788class XFLForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1789                InstrItinClass itin, list<dag>pattern>
1790  : I<opcode, OOL, IOL, asmstr, itin> {
1791  bit L;
1792  bits<8> FLM;
1793  bit W;
1794  bits<5> FRB;
1795
1796  bit RC = 0;    // set by isRecordForm
1797  let Pattern = pattern;
1798
1799  let Inst{6}     = L;
1800  let Inst{7-14}  = FLM;
1801  let Inst{15}    = W;
1802  let Inst{16-20} = FRB;
1803  let Inst{21-30} = xo;
1804  let Inst{31}    = RC;
1805}
1806
1807// 1.7.10 XS-Form - SRADI.
1808class XSForm_1<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
1809               InstrItinClass itin, list<dag> pattern>
1810         : I<opcode, OOL, IOL, asmstr, itin> {
1811  bits<5> RA;
1812  bits<5> RS;
1813  bits<6> SH;
1814
1815  bit RC = 0;    // set by isRecordForm
1816  let Pattern = pattern;
1817
1818  let Inst{6-10}  = RS;
1819  let Inst{11-15} = RA;
1820  let Inst{16-20} = SH{4,3,2,1,0};
1821  let Inst{21-29} = xo;
1822  let Inst{30}    = SH{5};
1823  let Inst{31}    = RC;
1824}
1825
1826// 1.7.11 XO-Form
1827class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OOL, dag IOL, string asmstr,
1828               InstrItinClass itin, list<dag> pattern>
1829         : I<opcode, OOL, IOL, asmstr, itin> {
1830  bits<5> RT;
1831  bits<5> RA;
1832  bits<5> RB;
1833
1834  let Pattern = pattern;
1835
1836  bit RC = 0;    // set by isRecordForm
1837
1838  let Inst{6-10}  = RT;
1839  let Inst{11-15} = RA;
1840  let Inst{16-20} = RB;
1841  let Inst{21}    = oe;
1842  let Inst{22-30} = xo;
1843  let Inst{31}    = RC;
1844}
1845
1846class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
1847               dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
1848  : XOForm_1<opcode, xo, oe, OOL, IOL, asmstr, itin, pattern> {
1849  let RB = 0;
1850}
1851
1852// 1.7.12 A-Form
1853class AForm_1<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1854              InstrItinClass itin, list<dag> pattern>
1855         : I<opcode, OOL, IOL, asmstr, itin> {
1856  bits<5> FRT;
1857  bits<5> FRA;
1858  bits<5> FRC;
1859  bits<5> FRB;
1860
1861  let Pattern = pattern;
1862
1863  bit RC = 0;    // set by isRecordForm
1864
1865  let Inst{6-10}  = FRT;
1866  let Inst{11-15} = FRA;
1867  let Inst{16-20} = FRB;
1868  let Inst{21-25} = FRC;
1869  let Inst{26-30} = xo;
1870  let Inst{31}    = RC;
1871}
1872
1873class AForm_2<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1874              InstrItinClass itin, list<dag> pattern>
1875  : AForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1876  let FRC = 0;
1877}
1878
1879class AForm_3<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1880              InstrItinClass itin, list<dag> pattern>
1881  : AForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1882  let FRB = 0;
1883}
1884
1885class AForm_4<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1886              InstrItinClass itin, list<dag> pattern>
1887         : I<opcode, OOL, IOL, asmstr, itin> {
1888  bits<5> RT;
1889  bits<5> RA;
1890  bits<5> RB;
1891  bits<5> COND;
1892
1893  let Pattern = pattern;
1894
1895  let Inst{6-10}  = RT;
1896  let Inst{11-15} = RA;
1897  let Inst{16-20} = RB;
1898  let Inst{21-25} = COND;
1899  let Inst{26-30} = xo;
1900  let Inst{31}    = 0;
1901}
1902
1903// 1.7.13 M-Form
1904class MForm_1<bits<6> opcode, dag OOL, dag IOL, string asmstr,
1905              InstrItinClass itin, list<dag> pattern>
1906    : I<opcode, OOL, IOL, asmstr, itin> {
1907  bits<5> RA;
1908  bits<5> RS;
1909  bits<5> RB;
1910  bits<5> MB;
1911  bits<5> ME;
1912
1913  let Pattern = pattern;
1914
1915  bit RC = 0;    // set by isRecordForm
1916
1917  let Inst{6-10}  = RS;
1918  let Inst{11-15} = RA;
1919  let Inst{16-20} = RB;
1920  let Inst{21-25} = MB;
1921  let Inst{26-30} = ME;
1922  let Inst{31}    = RC;
1923}
1924
1925class MForm_2<bits<6> opcode, dag OOL, dag IOL, string asmstr,
1926              InstrItinClass itin, list<dag> pattern>
1927    : I<opcode, OOL, IOL, asmstr, itin> {
1928  bits<5> RA;
1929  bits<5> RS;
1930  bits<5> SH;
1931  bits<5> MB;
1932  bits<5> ME;
1933
1934  let Pattern = pattern;
1935
1936  bit RC = 0;    // set by isRecordForm
1937
1938  let Inst{6-10}  = RS;
1939  let Inst{11-15} = RA;
1940  let Inst{16-20} = SH;
1941  let Inst{21-25} = MB;
1942  let Inst{26-30} = ME;
1943  let Inst{31}    = RC;
1944}
1945
1946// 1.7.14 MD-Form
1947class MDForm_1<bits<6> opcode, bits<3> xo, dag OOL, dag IOL, string asmstr,
1948               InstrItinClass itin, list<dag> pattern>
1949    : I<opcode, OOL, IOL, asmstr, itin> {
1950  bits<5> RA;
1951  bits<5> RS;
1952  bits<6> SH;
1953  bits<6> MBE;
1954
1955  let Pattern = pattern;
1956
1957  bit RC = 0;    // set by isRecordForm
1958
1959  let Inst{6-10}  = RS;
1960  let Inst{11-15} = RA;
1961  let Inst{16-20} = SH{4,3,2,1,0};
1962  let Inst{21-26} = MBE{4,3,2,1,0,5};
1963  let Inst{27-29} = xo;
1964  let Inst{30}    = SH{5};
1965  let Inst{31}    = RC;
1966}
1967
1968class MDSForm_1<bits<6> opcode, bits<4> xo, dag OOL, dag IOL, string asmstr,
1969                InstrItinClass itin, list<dag> pattern>
1970    : I<opcode, OOL, IOL, asmstr, itin> {
1971  bits<5> RA;
1972  bits<5> RS;
1973  bits<5> RB;
1974  bits<6> MBE;
1975
1976  let Pattern = pattern;
1977
1978  bit RC = 0;    // set by isRecordForm
1979
1980  let Inst{6-10}  = RS;
1981  let Inst{11-15} = RA;
1982  let Inst{16-20} = RB;
1983  let Inst{21-26} = MBE{4,3,2,1,0,5};
1984  let Inst{27-30} = xo;
1985  let Inst{31}    = RC;
1986}
1987
1988
1989// E-1 VA-Form
1990
1991// VAForm_1 - DACB ordering.
1992class VAForm_1<bits<6> xo, dag OOL, dag IOL, string asmstr,
1993               InstrItinClass itin, list<dag> pattern>
1994    : I<4, OOL, IOL, asmstr, itin> {
1995  bits<5> RT;
1996  bits<5> RA;
1997  bits<5> RC;
1998  bits<5> RB;
1999
2000  let Pattern = pattern;
2001
2002  let Inst{6-10}  = RT;
2003  let Inst{11-15} = RA;
2004  let Inst{16-20} = RB;
2005  let Inst{21-25} = RC;
2006  let Inst{26-31} = xo;
2007}
2008
2009// VAForm_1a - DABC ordering.
2010class VAForm_1a<bits<6> xo, dag OOL, dag IOL, string asmstr,
2011                InstrItinClass itin, list<dag> pattern>
2012    : I<4, OOL, IOL, asmstr, itin> {
2013  bits<5> RT;
2014  bits<5> RA;
2015  bits<5> RB;
2016  bits<5> RC;
2017
2018  let Pattern = pattern;
2019
2020  let Inst{6-10}  = RT;
2021  let Inst{11-15} = RA;
2022  let Inst{16-20} = RB;
2023  let Inst{21-25} = RC;
2024  let Inst{26-31} = xo;
2025}
2026
2027class VAForm_2<bits<6> xo, dag OOL, dag IOL, string asmstr,
2028               InstrItinClass itin, list<dag> pattern>
2029    : I<4, OOL, IOL, asmstr, itin> {
2030  bits<5> RT;
2031  bits<5> RA;
2032  bits<5> RB;
2033  bits<4> SH;
2034
2035  let Pattern = pattern;
2036
2037  let Inst{6-10}  = RT;
2038  let Inst{11-15} = RA;
2039  let Inst{16-20} = RB;
2040  let Inst{21}    = 0;
2041  let Inst{22-25} = SH;
2042  let Inst{26-31} = xo;
2043}
2044
2045// E-2 VX-Form
2046class VXForm_1<bits<11> xo, dag OOL, dag IOL, string asmstr,
2047               InstrItinClass itin, list<dag> pattern>
2048    : I<4, OOL, IOL, asmstr, itin> {
2049  bits<5> VD;
2050  bits<5> VA;
2051  bits<5> VB;
2052
2053  let Pattern = pattern;
2054
2055  let Inst{6-10}  = VD;
2056  let Inst{11-15} = VA;
2057  let Inst{16-20} = VB;
2058  let Inst{21-31} = xo;
2059}
2060
2061class VXForm_setzero<bits<11> xo, dag OOL, dag IOL, string asmstr,
2062               InstrItinClass itin, list<dag> pattern>
2063    : VXForm_1<xo, OOL, IOL, asmstr, itin, pattern> {
2064  let VA = VD;
2065  let VB = VD;
2066}
2067
2068
2069class VXForm_2<bits<11> xo, dag OOL, dag IOL, string asmstr,
2070               InstrItinClass itin, list<dag> pattern>
2071    : I<4, OOL, IOL, asmstr, itin> {
2072  bits<5> VD;
2073  bits<5> VB;
2074
2075  let Pattern = pattern;
2076
2077  let Inst{6-10}  = VD;
2078  let Inst{11-15} = 0;
2079  let Inst{16-20} = VB;
2080  let Inst{21-31} = xo;
2081}
2082
2083class VXForm_3<bits<11> xo, dag OOL, dag IOL, string asmstr,
2084               InstrItinClass itin, list<dag> pattern>
2085    : I<4, OOL, IOL, asmstr, itin> {
2086  bits<5> VD;
2087  bits<5> IMM;
2088
2089  let Pattern = pattern;
2090
2091  let Inst{6-10}  = VD;
2092  let Inst{11-15} = IMM;
2093  let Inst{16-20} = 0;
2094  let Inst{21-31} = xo;
2095}
2096
2097/// VXForm_4 - VX instructions with "VD,0,0" register fields, like mfvscr.
2098class VXForm_4<bits<11> xo, dag OOL, dag IOL, string asmstr,
2099               InstrItinClass itin, list<dag> pattern>
2100    : I<4, OOL, IOL, asmstr, itin> {
2101  bits<5> VD;
2102
2103  let Pattern = pattern;
2104
2105  let Inst{6-10}  = VD;
2106  let Inst{11-15} = 0;
2107  let Inst{16-20} = 0;
2108  let Inst{21-31} = xo;
2109}
2110
2111/// VXForm_5 - VX instructions with "0,0,VB" register fields, like mtvscr.
2112class VXForm_5<bits<11> xo, dag OOL, dag IOL, string asmstr,
2113               InstrItinClass itin, list<dag> pattern>
2114    : I<4, OOL, IOL, asmstr, itin> {
2115  bits<5> VB;
2116
2117  let Pattern = pattern;
2118
2119  let Inst{6-10}  = 0;
2120  let Inst{11-15} = 0;
2121  let Inst{16-20} = VB;
2122  let Inst{21-31} = xo;
2123}
2124
2125// e.g. [PO VRT EO VRB XO]
2126class VXForm_RD5_XO5_RS5<bits<11> xo, bits<5> eo, dag OOL, dag IOL,
2127                         string asmstr, InstrItinClass itin, list<dag> pattern>
2128    : I<4, OOL, IOL, asmstr, itin> {
2129  bits<5> VD;
2130  bits<5> VB;
2131
2132  let Pattern = pattern;
2133
2134  let Inst{6-10}  = VD;
2135  let Inst{11-15} = eo;
2136  let Inst{16-20} = VB;
2137  let Inst{21-31} = xo;
2138}
2139
2140/// VXForm_CR - VX crypto instructions with "VRT, VRA, ST, SIX"
2141class VXForm_CR<bits<11> xo, dag OOL, dag IOL, string asmstr,
2142               InstrItinClass itin, list<dag> pattern>
2143    : I<4, OOL, IOL, asmstr, itin> {
2144  bits<5> VD;
2145  bits<5> VA;
2146  bits<1> ST;
2147  bits<4> SIX;
2148
2149  let Pattern = pattern;
2150
2151  let Inst{6-10}  = VD;
2152  let Inst{11-15} = VA;
2153  let Inst{16} =  ST;
2154  let Inst{17-20} = SIX;
2155  let Inst{21-31} = xo;
2156}
2157
2158/// VXForm_BX - VX crypto instructions with "VRT, VRA, 0 - like vsbox"
2159class VXForm_BX<bits<11> xo, dag OOL, dag IOL, string asmstr,
2160               InstrItinClass itin, list<dag> pattern>
2161    : I<4, OOL, IOL, asmstr, itin> {
2162  bits<5> VD;
2163  bits<5> VA;
2164
2165  let Pattern = pattern;
2166
2167  let Inst{6-10}  = VD;
2168  let Inst{11-15} = VA;
2169  let Inst{16-20} = 0;
2170  let Inst{21-31} = xo;
2171}
2172
2173// E-4 VXR-Form
2174class VXRForm_1<bits<10> xo, dag OOL, dag IOL, string asmstr,
2175               InstrItinClass itin, list<dag> pattern>
2176    : I<4, OOL, IOL, asmstr, itin> {
2177  bits<5> VD;
2178  bits<5> VA;
2179  bits<5> VB;
2180  bit RC = 0;
2181
2182  let Pattern = pattern;
2183
2184  let Inst{6-10}  = VD;
2185  let Inst{11-15} = VA;
2186  let Inst{16-20} = VB;
2187  let Inst{21}    = RC;
2188  let Inst{22-31} = xo;
2189}
2190
2191// VX-Form: [PO VRT EO VRB 1 PS XO]
2192class VX_RD5_EO5_RS5_PS1_XO9<bits<5> eo, bits<9> xo,
2193                             dag OOL, dag IOL, string asmstr,
2194                             InstrItinClass itin, list<dag> pattern>
2195  : I<4, OOL, IOL, asmstr, itin> {
2196  bits<5> VD;
2197  bits<5> VB;
2198  bit PS;
2199
2200  let Pattern = pattern;
2201
2202  let Inst{6-10}  = VD;
2203  let Inst{11-15} = eo;
2204  let Inst{16-20} = VB;
2205  let Inst{21}    = 1;
2206  let Inst{22}    = PS;
2207  let Inst{23-31} = xo;
2208}
2209
2210// VX-Form: [PO VRT VRA VRB 1 PS XO] or [PO VRT VRA VRB 1 / XO]
2211class VX_RD5_RSp5_PS1_XO9<bits<9> xo, dag OOL, dag IOL, string asmstr,
2212                          InstrItinClass itin, list<dag> pattern>
2213  : I<4, OOL, IOL, asmstr, itin> {
2214  bits<5> VD;
2215  bits<5> VA;
2216  bits<5> VB;
2217  bit PS;
2218
2219  let Pattern = pattern;
2220
2221  let Inst{6-10}  = VD;
2222  let Inst{11-15} = VA;
2223  let Inst{16-20} = VB;
2224  let Inst{21}    = 1;
2225  let Inst{22}    = PS;
2226  let Inst{23-31} = xo;
2227}
2228
2229class Z22Form_BF3_FRA5_DCM6<bits<6> opcode, bits<9> xo, dag OOL, dag IOL,
2230                            string asmstr, InstrItinClass itin,
2231                            list<dag> pattern>
2232  : I<opcode, OOL, IOL, asmstr, itin> {
2233  bits<3> BF;
2234  bits<5> FRA;
2235  bits<6> DCM;
2236
2237  let Pattern = pattern;
2238
2239  let Inst{6-8}   = BF;
2240  let Inst{9-10}  = 0;
2241  let Inst{11-15} = FRA;
2242  let Inst{16-21} = DCM;
2243  let Inst{22-30} = xo;
2244  let Inst{31}    = 0;
2245}
2246
2247class Z22Form_FRTA5_SH6<bits<6> opcode, bits<9> xo, dag OOL, dag IOL,
2248              string asmstr, list<dag> pattern, InstrItinClass itin>
2249    : I<opcode, OOL, IOL, asmstr, itin> {
2250
2251  bits<5> FRT;
2252  bits<5> FRA;
2253  bits<6> SH;
2254
2255  let Pattern = pattern;
2256
2257  bit RC = 0; // set by isRecordForm
2258
2259  let Inst{6 - 10} = FRT;
2260  let Inst{11 - 15} = FRA;
2261  let Inst{16 - 21} = SH;
2262  let Inst{22 - 30} = xo;
2263  let Inst{31} = RC;
2264}
2265
2266class Z23Form_8<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
2267              InstrItinClass itin, list<dag> pattern>
2268         : I<opcode, OOL, IOL, asmstr, itin> {
2269  bits<5> VRT;
2270  bit R;
2271  bits<5> VRB;
2272  bits<2> idx;
2273
2274  let Pattern = pattern;
2275
2276  bit RC = 0;    // set by isRecordForm
2277
2278  let Inst{6-10}  = VRT;
2279  let Inst{11-14} = 0;
2280  let Inst{15} = R;
2281  let Inst{16-20} = VRB;
2282  let Inst{21-22} = idx;
2283  let Inst{23-30} = xo;
2284  let Inst{31}    = RC;
2285}
2286
2287class Z23Form_RTAB5_CY2<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
2288                        string asmstr, InstrItinClass itin, list<dag> pattern>
2289         : I<opcode, OOL, IOL, asmstr, itin> {
2290  bits<5> RT;
2291  bits<5> RA;
2292  bits<5> RB;
2293  bits<2> CY;
2294
2295  let Pattern = pattern;
2296
2297  let Inst{6-10}  = RT;
2298  let Inst{11-15} = RA;
2299  let Inst{16-20} = RB;
2300  let Inst{21-22} = CY;
2301  let Inst{23-30} = xo;
2302  let Inst{31} = 0;
2303}
2304
2305class Z23Form_FRTAB5_RMC2<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
2306                          string asmstr, list<dag> pattern>
2307    : I<opcode, OOL, IOL, asmstr, NoItinerary> {
2308  bits<5> FRT;
2309  bits<5> FRA;
2310  bits<5> FRB;
2311  bits<2> RMC;
2312
2313  let Pattern = pattern;
2314
2315  bit RC = 0; // set by isRecordForm
2316
2317  let Inst{6 - 10} = FRT;
2318  let Inst{11 - 15} = FRA;
2319  let Inst{16 - 20} = FRB;
2320  let Inst{21 - 22} = RMC;
2321  let Inst{23 - 30} = xo;
2322  let Inst{31} = RC;
2323}
2324
2325class Z23Form_TE5_FRTB5_RMC2<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
2326                             string asmstr, list<dag> pattern>
2327    : Z23Form_FRTAB5_RMC2<opcode, xo, OOL, IOL, asmstr, pattern> {
2328  bits<5> TE;
2329  let FRA = TE;
2330}
2331
2332class Z23Form_FRTB5_R1_RMC2<bits<6> opcode, bits<8> xo, dag OOL, dag IOL,
2333                            string asmstr, list<dag> pattern>
2334    : I<opcode, OOL, IOL, asmstr, NoItinerary> {
2335  bits<5> FRT;
2336  bits<1> R;
2337  bits<5> FRB;
2338  bits<2> RMC;
2339
2340  let Pattern = pattern;
2341
2342  bit RC = 0; // set by isRecordForm
2343
2344  let Inst{6 - 10} = FRT;
2345  let Inst{11 - 14} = 0;
2346  let Inst{15} = R;
2347  let Inst{16 - 20} = FRB;
2348  let Inst{21 - 22} = RMC;
2349  let Inst{23 - 30} = xo;
2350  let Inst{31} = RC;
2351}
2352
2353//===----------------------------------------------------------------------===//
2354// EmitTimePseudo won't have encoding information for the [MC]CodeEmitter
2355// stuff
2356class PPCEmitTimePseudo<dag OOL, dag IOL, string asmstr, list<dag> pattern>
2357    : I<0, OOL, IOL, asmstr, NoItinerary> {
2358  let isCodeGenOnly = 1;
2359  let PPC64 = 0;
2360  let Pattern = pattern;
2361  let Inst{31-0} = 0;
2362  let hasNoSchedulingInfo = 1;
2363}
2364
2365// Instruction that require custom insertion support
2366// a.k.a. ISelPseudos, however, these won't have isPseudo set
2367class PPCCustomInserterPseudo<dag OOL, dag IOL, string asmstr,
2368                              list<dag> pattern>
2369    : PPCEmitTimePseudo<OOL, IOL, asmstr, pattern> {
2370  let usesCustomInserter = 1;
2371}
2372
2373// PostRAPseudo will be expanded in expandPostRAPseudo, isPseudo flag in td
2374// files is set only for PostRAPseudo
2375class PPCPostRAExpPseudo<dag OOL, dag IOL, string asmstr, list<dag> pattern>
2376    : PPCEmitTimePseudo<OOL, IOL, asmstr, pattern> {
2377  let isPseudo = 1;
2378}
2379
2380class PseudoXFormMemOp<dag OOL, dag IOL, string asmstr, list<dag> pattern>
2381    : PPCPostRAExpPseudo<OOL, IOL, asmstr, pattern>, XFormMemOp;
2382
2383