xref: /freebsd/contrib/llvm-project/llvm/lib/Target/PowerPC/PPCInstrFormats.td (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
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  // Fields used for relation models.
49  string BaseName = "";
50
51  // For cases where multiple instruction definitions really represent the
52  // same underlying instruction but with one definition for 64-bit arguments
53  // and one for 32-bit arguments, this bit breaks the degeneracy between
54  // the two forms and allows TableGen to generate mapping tables.
55  bit Interpretation64Bit = 0;
56}
57
58class PPC970_DGroup_First   { bits<1> PPC970_First = 1;  }
59class PPC970_DGroup_Single  { bits<1> PPC970_Single = 1; }
60class PPC970_DGroup_Cracked { bits<1> PPC970_Cracked = 1; }
61class PPC970_MicroCode;
62
63class PPC970_Unit_Pseudo   { bits<3> PPC970_Unit = 0;   }
64class PPC970_Unit_FXU      { bits<3> PPC970_Unit = 1;   }
65class PPC970_Unit_LSU      { bits<3> PPC970_Unit = 2;   }
66class PPC970_Unit_FPU      { bits<3> PPC970_Unit = 3;   }
67class PPC970_Unit_CRU      { bits<3> PPC970_Unit = 4;   }
68class PPC970_Unit_VALU     { bits<3> PPC970_Unit = 5;   }
69class PPC970_Unit_VPERM    { bits<3> PPC970_Unit = 6;   }
70class PPC970_Unit_BRU      { bits<3> PPC970_Unit = 7;   }
71
72class XFormMemOp { bits<1> XFormMemOp = 1; }
73
74// Two joined instructions; used to emit two adjacent instructions as one.
75// The itinerary from the first instruction is used for scheduling and
76// classification.
77class I2<bits<6> opcode1, bits<6> opcode2, dag OOL, dag IOL, string asmstr,
78         InstrItinClass itin>
79        : Instruction {
80  field bits<64> Inst;
81  field bits<64> SoftFail = 0;
82  let Size = 8;
83
84  bit PPC64 = 0;  // Default value, override with isPPC64
85
86  let Namespace = "PPC";
87  let Inst{0-5} = opcode1;
88  let Inst{32-37} = opcode2;
89  let OutOperandList = OOL;
90  let InOperandList = IOL;
91  let AsmString = asmstr;
92  let Itinerary = itin;
93
94  bits<1> PPC970_First = 0;
95  bits<1> PPC970_Single = 0;
96  bits<1> PPC970_Cracked = 0;
97  bits<3> PPC970_Unit = 0;
98
99  /// These fields correspond to the fields in PPCInstrInfo.h.  Any changes to
100  /// these must be reflected there!  See comments there for what these are.
101  let TSFlags{0}   = PPC970_First;
102  let TSFlags{1}   = PPC970_Single;
103  let TSFlags{2}   = PPC970_Cracked;
104  let TSFlags{5-3} = PPC970_Unit;
105
106  // Fields used for relation models.
107  string BaseName = "";
108  bit Interpretation64Bit = 0;
109}
110
111// Base class for all X-Form memory instructions
112class IXFormMemOp<bits<6> opcode, dag OOL, dag IOL, string asmstr,
113                  InstrItinClass itin>
114        :I<opcode, OOL, IOL, asmstr, itin>, XFormMemOp;
115
116// 1.7.1 I-Form
117class IForm<bits<6> opcode, bit aa, bit lk, dag OOL, dag IOL, string asmstr,
118            InstrItinClass itin, list<dag> pattern>
119         : I<opcode, OOL, IOL, asmstr, itin> {
120  let Pattern = pattern;
121  bits<24> LI;
122
123  let Inst{6-29}  = LI;
124  let Inst{30}    = aa;
125  let Inst{31}    = lk;
126}
127
128// 1.7.2 B-Form
129class BForm<bits<6> opcode, bit aa, bit lk, dag OOL, dag IOL, string asmstr>
130  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
131  bits<7> BIBO;  // 2 bits of BI and 5 bits of BO.
132  bits<3>  CR;
133  bits<14> BD;
134
135  bits<5> BI;
136  let BI{0-1} = BIBO{5-6};
137  let BI{2-4} = CR{0-2};
138
139  let Inst{6-10}  = BIBO{4-0};
140  let Inst{11-15} = BI;
141  let Inst{16-29} = BD;
142  let Inst{30}    = aa;
143  let Inst{31}    = lk;
144}
145
146class BForm_1<bits<6> opcode, bits<5> bo, bit aa, bit lk, dag OOL, dag IOL,
147             string asmstr>
148  : BForm<opcode, aa, lk, OOL, IOL, asmstr> {
149  let BIBO{4-0} = bo;
150  let BIBO{6-5} = 0;
151  let CR = 0;
152}
153
154class BForm_2<bits<6> opcode, bits<5> bo, bits<5> bi, bit aa, bit lk,
155              dag OOL, dag IOL, string asmstr>
156  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
157  bits<14> BD;
158
159  let Inst{6-10}  = bo;
160  let Inst{11-15} = bi;
161  let Inst{16-29} = BD;
162  let Inst{30}    = aa;
163  let Inst{31}    = lk;
164}
165
166class BForm_3<bits<6> opcode, bit aa, bit lk,
167              dag OOL, dag IOL, string asmstr>
168  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
169  bits<5> BO;
170  bits<5> BI;
171  bits<14> BD;
172
173  let Inst{6-10}  = BO;
174  let Inst{11-15} = BI;
175  let Inst{16-29} = BD;
176  let Inst{30}    = aa;
177  let Inst{31}    = lk;
178}
179
180class BForm_3_at<bits<6> opcode, bit aa, bit lk,
181                 dag OOL, dag IOL, string asmstr>
182  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
183  bits<5> BO;
184  bits<2> at;
185  bits<5> BI;
186  bits<14> BD;
187
188  let Inst{6-8}   = BO{4-2};
189  let Inst{9-10}  = at;
190  let Inst{11-15} = BI;
191  let Inst{16-29} = BD;
192  let Inst{30}    = aa;
193  let Inst{31}    = lk;
194}
195
196class BForm_4<bits<6> opcode, bits<5> bo, bit aa, bit lk,
197              dag OOL, dag IOL, string asmstr>
198  : I<opcode, OOL, IOL, asmstr, IIC_BrB> {
199  bits<5> BI;
200  bits<14> BD;
201
202  let Inst{6-10}  = bo;
203  let Inst{11-15} = BI;
204  let Inst{16-29} = BD;
205  let Inst{30}    = aa;
206  let Inst{31}    = lk;
207}
208
209// 1.7.3 SC-Form
210class SCForm<bits<6> opcode, bits<1> xo,
211                     dag OOL, dag IOL, string asmstr, InstrItinClass itin,
212                     list<dag> pattern>
213  : I<opcode, OOL, IOL, asmstr, itin> {
214  bits<7>  LEV;
215
216  let Pattern = pattern;
217
218  let Inst{20-26} = LEV;
219  let Inst{30}    = xo;
220}
221
222// 1.7.4 D-Form
223class DForm_base<bits<6> opcode, dag OOL, dag IOL, string asmstr,
224                 InstrItinClass itin, list<dag> pattern>
225  : I<opcode, OOL, IOL, asmstr, itin> {
226  bits<5>  A;
227  bits<5>  B;
228  bits<16> C;
229
230  let Pattern = pattern;
231
232  let Inst{6-10}  = A;
233  let Inst{11-15} = B;
234  let Inst{16-31} = C;
235}
236
237class DForm_1<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>  A;
241  bits<21> Addr;
242
243  let Pattern = pattern;
244
245  let Inst{6-10}  = A;
246  let Inst{11-15} = Addr{20-16}; // Base Reg
247  let Inst{16-31} = Addr{15-0};  // Displacement
248}
249
250class DForm_1a<bits<6> opcode, dag OOL, dag IOL, string asmstr,
251               InstrItinClass itin, list<dag> pattern>
252  : I<opcode, OOL, IOL, asmstr, itin> {
253  bits<5>  A;
254  bits<16> C;
255  bits<5>  B;
256
257  let Pattern = pattern;
258
259  let Inst{6-10}  = A;
260  let Inst{11-15} = B;
261  let Inst{16-31} = C;
262}
263
264
265class DForm_2<bits<6> opcode, dag OOL, dag IOL, string asmstr,
266              InstrItinClass itin, list<dag> pattern>
267  : DForm_base<opcode, OOL, IOL, asmstr, itin, pattern> {
268
269  // Even though ADDIC_rec does not really have an RC bit, provide
270  // the declaration of one here so that isRecordForm has something to set.
271  bit RC = 0;
272}
273
274class DForm_2_r0<bits<6> opcode, dag OOL, dag IOL, string asmstr,
275                 InstrItinClass itin, list<dag> pattern>
276  : I<opcode, OOL, IOL, asmstr, itin> {
277  bits<5>  A;
278  bits<16> B;
279
280  let Pattern = pattern;
281
282  let Inst{6-10}  = A;
283  let Inst{11-15} = 0;
284  let Inst{16-31} = B;
285}
286
287class DForm_4<bits<6> opcode, dag OOL, dag IOL, string asmstr,
288              InstrItinClass itin, list<dag> pattern>
289  : I<opcode, OOL, IOL, asmstr, itin> {
290  bits<5>  B;
291  bits<5>  A;
292  bits<16> C;
293
294  let Pattern = pattern;
295
296  let Inst{6-10}  = A;
297  let Inst{11-15} = B;
298  let Inst{16-31} = C;
299}
300
301class DForm_4_zero<bits<6> opcode, dag OOL, dag IOL, string asmstr,
302                   InstrItinClass itin, list<dag> pattern>
303  : DForm_1<opcode, OOL, IOL, asmstr, itin, pattern> {
304  let A = 0;
305  let Addr = 0;
306}
307
308class DForm_4_fixedreg_zero<bits<6> opcode, bits<5> R, dag OOL, dag IOL,
309                            string asmstr, InstrItinClass itin,
310                            list<dag> pattern>
311  : DForm_4<opcode, OOL, IOL, asmstr, itin, pattern> {
312  let A = R;
313  let B = R;
314  let C = 0;
315}
316
317class IForm_and_DForm_1<bits<6> opcode1, bit aa, bit lk, bits<6> opcode2,
318            dag OOL, dag IOL, string asmstr,
319            InstrItinClass itin, list<dag> pattern>
320         : I2<opcode1, opcode2, OOL, IOL, asmstr, itin> {
321  bits<5>  A;
322  bits<21> Addr;
323
324  let Pattern = pattern;
325  bits<24> LI;
326
327  let Inst{6-29}  = LI;
328  let Inst{30}    = aa;
329  let Inst{31}    = lk;
330
331  let Inst{38-42}  = A;
332  let Inst{43-47} = Addr{20-16}; // Base Reg
333  let Inst{48-63} = Addr{15-0};  // Displacement
334}
335
336// This is used to emit BL8+NOP.
337class IForm_and_DForm_4_zero<bits<6> opcode1, bit aa, bit lk, bits<6> opcode2,
338            dag OOL, dag IOL, string asmstr,
339            InstrItinClass itin, list<dag> pattern>
340         :  IForm_and_DForm_1<opcode1, aa, lk, opcode2,
341                              OOL, IOL, asmstr, itin, pattern> {
342  let A = 0;
343  let Addr = 0;
344}
345
346class DForm_5<bits<6> opcode, dag OOL, dag IOL, string asmstr,
347              InstrItinClass itin>
348  : I<opcode, OOL, IOL, asmstr, itin> {
349  bits<3>  BF;
350  bits<1>  L;
351  bits<5>  RA;
352  bits<16> I;
353
354  let Inst{6-8}   = BF;
355  let Inst{9}     = 0;
356  let Inst{10}    = L;
357  let Inst{11-15} = RA;
358  let Inst{16-31} = I;
359}
360
361class DForm_5_ext<bits<6> opcode, dag OOL, dag IOL, string asmstr,
362                  InstrItinClass itin>
363  : DForm_5<opcode, OOL, IOL, asmstr, itin> {
364  let L = PPC64;
365}
366
367class DForm_6<bits<6> opcode, dag OOL, dag IOL, string asmstr,
368              InstrItinClass itin>
369  : DForm_5<opcode, OOL, IOL, asmstr, itin>;
370
371class DForm_6_ext<bits<6> opcode, dag OOL, dag IOL, string asmstr,
372                  InstrItinClass itin>
373  : DForm_6<opcode, OOL, IOL, asmstr, itin> {
374  let L = PPC64;
375}
376
377
378// 1.7.5 DS-Form
379class DSForm_1<bits<6> opcode, bits<2> xo, dag OOL, dag IOL, string asmstr,
380               InstrItinClass itin, list<dag> pattern>
381         : I<opcode, OOL, IOL, asmstr, itin> {
382  bits<5>  RST;
383  bits<19> DS_RA;
384
385  let Pattern = pattern;
386
387  let Inst{6-10}  = RST;
388  let Inst{11-15} = DS_RA{18-14};  // Register #
389  let Inst{16-29} = DS_RA{13-0};   // Displacement.
390  let Inst{30-31} = xo;
391}
392
393// ISA V3.0B 1.6.6 DX-Form
394class DXForm<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
395             InstrItinClass itin, list<dag> pattern>
396         : I<opcode, OOL, IOL, asmstr, itin> {
397  bits<5>  RT;
398  bits<16> D;
399
400  let Pattern = pattern;
401
402  let Inst{6-10}  = RT;
403  let Inst{11-15} = D{5-1};  // d1
404  let Inst{16-25} = D{15-6}; // d0
405  let Inst{26-30} = xo;
406  let Inst{31}    = D{0};    // d2
407}
408
409// DQ-Form: [PO T RA DQ TX XO] or [PO S RA DQ SX XO]
410class DQ_RD6_RS5_DQ12<bits<6> opcode, bits<3> xo, dag OOL, dag IOL,
411                      string asmstr, InstrItinClass itin, list<dag> pattern>
412  : I<opcode, OOL, IOL, asmstr, itin> {
413  bits<6>  XT;
414  bits<17> DS_RA;
415
416  let Pattern = pattern;
417
418  let Inst{6-10}  = XT{4-0};
419  let Inst{11-15} = DS_RA{16-12};  // Register #
420  let Inst{16-27} = DS_RA{11-0};   // Displacement.
421  let Inst{28}    = XT{5};
422  let Inst{29-31} = xo;
423}
424
425// 1.7.6 X-Form
426class XForm_base_r3xo<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
427                      InstrItinClass itin, list<dag> pattern>
428  : I<opcode, OOL, IOL, asmstr, itin> {
429  bits<5> RST;
430  bits<5> A;
431  bits<5> B;
432
433  let Pattern = pattern;
434
435  bit RC = 0;    // set by isRecordForm
436
437  let Inst{6-10}  = RST;
438  let Inst{11-15} = A;
439  let Inst{16-20} = B;
440  let Inst{21-30} = xo;
441  let Inst{31}    = RC;
442}
443
444class XForm_base_r3xo_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
445                            string asmstr, InstrItinClass itin,
446                            list<dag> pattern>
447  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>, XFormMemOp;
448
449class XForm_tlb<bits<10> xo, dag OOL, dag IOL, string asmstr,
450                InstrItinClass itin> : XForm_base_r3xo<31, xo, OOL, IOL, asmstr, itin, []> {
451  let RST = 0;
452}
453
454class XForm_attn<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
455                 InstrItinClass itin>
456  : I<opcode, OOL, IOL, asmstr, itin> {
457  let Inst{21-30} = xo;
458}
459
460// This is the same as XForm_base_r3xo, but the first two operands are swapped
461// when code is emitted.
462class XForm_base_r3xo_swapped
463        <bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
464        InstrItinClass itin>
465  : I<opcode, OOL, IOL, asmstr, itin> {
466  bits<5> A;
467  bits<5> RST;
468  bits<5> B;
469
470  bit RC = 0;    // set by isRecordForm
471
472  let Inst{6-10}  = RST;
473  let Inst{11-15} = A;
474  let Inst{16-20} = B;
475  let Inst{21-30} = xo;
476  let Inst{31}    = RC;
477}
478
479
480class XForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
481              InstrItinClass itin, list<dag> pattern>
482  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
483
484class XForm_1_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
485              InstrItinClass itin, list<dag> pattern>
486  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
487
488class XForm_1a<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
489              InstrItinClass itin, list<dag> pattern>
490  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
491  let RST = 0;
492}
493
494class XForm_rs<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
495              InstrItinClass itin, list<dag> pattern>
496  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
497  let A = 0;
498  let B = 0;
499}
500
501class XForm_tlbws<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
502              InstrItinClass itin, list<dag> pattern>
503  : I<opcode, OOL, IOL, asmstr, itin> {
504  bits<5> RST;
505  bits<5> A;
506  bits<1> WS;
507
508  let Pattern = pattern;
509
510  let Inst{6-10}  = RST;
511  let Inst{11-15} = A;
512  let Inst{20}    = WS;
513  let Inst{21-30} = xo;
514  let Inst{31}    = 0;
515}
516
517class XForm_6<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
518              InstrItinClass itin, list<dag> pattern>
519  : XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
520  let Pattern = pattern;
521}
522
523class XForm_8<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
524              InstrItinClass itin, list<dag> pattern>
525  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
526
527class XForm_8_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
528              InstrItinClass itin, list<dag> pattern>
529  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
530
531class XForm_10<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
532               InstrItinClass itin, list<dag> pattern>
533  : XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
534    let Pattern = pattern;
535}
536
537class XForm_11<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
538               InstrItinClass itin, list<dag> pattern>
539  : XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
540  let B = 0;
541  let Pattern = pattern;
542}
543
544class XForm_16<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
545               InstrItinClass itin>
546         : I<opcode, OOL, IOL, asmstr, itin> {
547  bits<3> BF;
548  bits<1> L;
549  bits<5> RA;
550  bits<5> RB;
551
552  let Inst{6-8}   = BF;
553  let Inst{9}     = 0;
554  let Inst{10}    = L;
555  let Inst{11-15} = RA;
556  let Inst{16-20} = RB;
557  let Inst{21-30} = xo;
558  let Inst{31}    = 0;
559}
560
561class XForm_icbt<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
562                 InstrItinClass itin>
563         : I<opcode, OOL, IOL, asmstr, itin> {
564  bits<4> CT;
565  bits<5> RA;
566  bits<5> RB;
567
568  let Inst{6} = 0;
569  let Inst{7-10} = CT;
570  let Inst{11-15} = RA;
571  let Inst{16-20} = RB;
572  let Inst{21-30} = xo;
573  let Inst{31} = 0;
574}
575
576class XForm_sr<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
577                InstrItinClass itin>
578         : I<opcode, OOL, IOL, asmstr, itin> {
579  bits<5> RS;
580  bits<4> SR;
581
582  let Inst{6-10} = RS;
583  let Inst{12-15} = SR;
584  let Inst{21-30} = xo;
585}
586
587class XForm_mbar<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
588                InstrItinClass itin>
589         : I<opcode, OOL, IOL, asmstr, itin> {
590  bits<5> MO;
591
592  let Inst{6-10} = MO;
593  let Inst{21-30} = xo;
594}
595
596class XForm_srin<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
597                InstrItinClass itin>
598         : I<opcode, OOL, IOL, asmstr, itin> {
599  bits<5> RS;
600  bits<5> RB;
601
602  let Inst{6-10} = RS;
603  let Inst{16-20} = RB;
604  let Inst{21-30} = xo;
605}
606
607class XForm_mtmsr<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
608                InstrItinClass itin>
609         : I<opcode, OOL, IOL, asmstr, itin> {
610  bits<5> RS;
611  bits<1> L;
612
613  let Inst{6-10} = RS;
614  let Inst{15} = L;
615  let Inst{21-30} = xo;
616}
617
618class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
619                   InstrItinClass itin>
620  : XForm_16<opcode, xo, OOL, IOL, asmstr, itin> {
621  let L = PPC64;
622}
623
624class XForm_17<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
625               InstrItinClass itin>
626         : I<opcode, OOL, IOL, asmstr, itin> {
627  bits<3> BF;
628  bits<5> FRA;
629  bits<5> FRB;
630
631  let Inst{6-8}   = BF;
632  let Inst{9-10}  = 0;
633  let Inst{11-15} = FRA;
634  let Inst{16-20} = FRB;
635  let Inst{21-30} = xo;
636  let Inst{31}    = 0;
637}
638
639class XForm_17a<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
640               InstrItinClass itin>
641  : XForm_17<opcode, xo, OOL, IOL, asmstr, itin > {
642  let FRA = 0;
643}
644
645// Used for QPX
646class XForm_18<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
647               InstrItinClass itin, list<dag> pattern>
648         : I<opcode, OOL, IOL, asmstr, itin> {
649  bits<5> FRT;
650  bits<5> FRA;
651  bits<5> FRB;
652
653  let Pattern = pattern;
654
655  let Inst{6-10}  = FRT;
656  let Inst{11-15} = FRA;
657  let Inst{16-20} = FRB;
658  let Inst{21-30} = xo;
659  let Inst{31}    = 0;
660}
661
662class XForm_19<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
663              InstrItinClass itin, list<dag> pattern>
664  : XForm_18<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
665  let FRA = 0;
666}
667
668class XForm_20<bits<6> opcode, bits<6> xo, dag OOL, dag IOL, string asmstr,
669               InstrItinClass itin, list<dag> pattern>
670         : I<opcode, OOL, IOL, asmstr, itin> {
671  bits<5> FRT;
672  bits<5> FRA;
673  bits<5> FRB;
674  bits<4> tttt;
675
676  let Pattern = pattern;
677
678  let Inst{6-10}  = FRT;
679  let Inst{11-15} = FRA;
680  let Inst{16-20} = FRB;
681  let Inst{21-24} = tttt;
682  let Inst{25-30} = xo;
683  let Inst{31}    = 0;
684}
685
686class XForm_24<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
687               InstrItinClass itin, list<dag> pattern>
688  : I<opcode, OOL, IOL, asmstr, itin> {
689  let Pattern = pattern;
690  let Inst{6-10}  = 31;
691  let Inst{11-15} = 0;
692  let Inst{16-20} = 0;
693  let Inst{21-30} = xo;
694  let Inst{31}    = 0;
695}
696
697class XForm_24_sync<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
698               string asmstr, InstrItinClass itin, list<dag> pattern>
699  : I<opcode, OOL, IOL, asmstr, itin> {
700  bits<2> L;
701
702  let Pattern = pattern;
703  let Inst{6-8}   = 0;
704  let Inst{9-10}  = L;
705  let Inst{11-15} = 0;
706  let Inst{16-20} = 0;
707  let Inst{21-30} = xo;
708  let Inst{31}    = 0;
709}
710
711class XForm_24_eieio<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
712               string asmstr, InstrItinClass itin, list<dag> pattern>
713  : XForm_24_sync<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
714  let L = 0;
715}
716
717class XForm_25<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
718               InstrItinClass itin, list<dag> pattern>
719  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
720}
721
722class XForm_25_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
723                    string asmstr, InstrItinClass itin, list<dag> pattern>
724  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
725}
726
727// [PO RT /// RB XO RC]
728class XForm_26<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
729               InstrItinClass itin, list<dag> pattern>
730  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
731  let A = 0;
732}
733
734class XForm_28_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
735                    string asmstr, InstrItinClass itin, list<dag> pattern>
736  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
737}
738
739class XForm_28<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
740               InstrItinClass itin, list<dag> pattern>
741  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
742}
743
744// This is used for MFFS, MTFSB0, MTFSB1.  42 is arbitrary; this series of
745// numbers presumably relates to some document, but I haven't found it.
746class XForm_42<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
747              InstrItinClass itin, list<dag> pattern>
748  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
749  let Pattern = pattern;
750
751  bit RC = 0;    // set by isRecordForm
752
753  let Inst{6-10}  = RST;
754  let Inst{11-20} = 0;
755  let Inst{21-30} = xo;
756  let Inst{31}    = RC;
757}
758class XForm_43<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
759              InstrItinClass itin, list<dag> pattern>
760  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
761  let Pattern = pattern;
762  bits<5> FM;
763
764  bit RC = 0;    // set by isRecordForm
765
766  let Inst{6-10}  = FM;
767  let Inst{11-20} = 0;
768  let Inst{21-30} = xo;
769  let Inst{31}    = RC;
770}
771
772class XForm_44<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
773               InstrItinClass itin>
774         : I<opcode, OOL, IOL, asmstr, itin> {
775  bits<5> RT;
776  bits<3> BFA;
777
778  let Inst{6-10}  = RT;
779  let Inst{11-13} = BFA;
780  let Inst{14-15} = 0;
781  let Inst{16-20} = 0;
782  let Inst{21-30} = xo;
783  let Inst{31}    = 0;
784}
785
786class XForm_45<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
787               InstrItinClass itin>
788         : I<opcode, OOL, IOL, asmstr, itin> {
789  bits<5> RT;
790  bits<2> L;
791
792  let Inst{6-10}  = RT;
793  let Inst{11-13} = 0;
794  let Inst{14-15} = L;
795  let Inst{16-20} = 0;
796  let Inst{21-30} = xo;
797  let Inst{31}    = 0;
798}
799
800class X_FRT5_XO2_XO3_XO10<bits<6> opcode, bits<2> xo1, bits<3> xo2, bits<10> xo,
801                         dag OOL, dag IOL, string asmstr, InstrItinClass itin,
802                         list<dag> pattern>
803  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
804  let Pattern = pattern;
805
806  let Inst{6-10}  = RST;
807  let Inst{11-12} = xo1;
808  let Inst{13-15} = xo2;
809  let Inst{16-20} = 0;
810  let Inst{21-30} = xo;
811  let Inst{31}    = 0;
812}
813
814class X_FRT5_XO2_XO3_FRB5_XO10<bits<6> opcode, bits<2> xo1, bits<3> xo2,
815                              bits<10> xo, dag OOL, dag IOL, string asmstr,
816                              InstrItinClass itin, list<dag> pattern>
817  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
818  let Pattern = pattern;
819  bits<5> FRB;
820
821  let Inst{6-10}  = RST;
822  let Inst{11-12} = xo1;
823  let Inst{13-15} = xo2;
824  let Inst{16-20} = FRB;
825  let Inst{21-30} = xo;
826  let Inst{31}    = 0;
827}
828
829class X_FRT5_XO2_XO3_DRM3_XO10<bits<6> opcode, bits<2> xo1, bits<3> xo2,
830                              bits<10> xo, dag OOL, dag IOL, string asmstr,
831                              InstrItinClass itin, list<dag> pattern>
832  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
833  let Pattern = pattern;
834  bits<3> DRM;
835
836  let Inst{6-10}  = RST;
837  let Inst{11-12} = xo1;
838  let Inst{13-15} = xo2;
839  let Inst{16-17} = 0;
840  let Inst{18-20} = DRM;
841  let Inst{21-30} = xo;
842  let Inst{31}    = 0;
843}
844
845class X_FRT5_XO2_XO3_RM2_X10<bits<6> opcode, bits<2> xo1, bits<3> xo2,
846                            bits<10> xo, dag OOL, dag IOL, string asmstr,
847                            InstrItinClass itin, list<dag> pattern>
848  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
849  let Pattern = pattern;
850  bits<2> RM;
851
852  let Inst{6-10}  = RST;
853  let Inst{11-12} = xo1;
854  let Inst{13-15} = xo2;
855  let Inst{16-18} = 0;
856  let Inst{19-20} = RM;
857  let Inst{21-30} = xo;
858  let Inst{31}    = 0;
859}
860
861
862class XForm_0<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
863              InstrItinClass itin, list<dag> pattern>
864  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
865  let RST = 0;
866  let A = 0;
867  let B = 0;
868}
869
870class XForm_16b<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
871              InstrItinClass itin, list<dag> pattern>
872  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
873  let RST = 0;
874  let A = 0;
875}
876
877class XForm_htm0<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
878                 string asmstr, InstrItinClass itin, list<dag> pattern>
879  : I<opcode, OOL, IOL, asmstr, itin> {
880  bit R;
881
882  bit RC = 1;
883
884  let Inst{6-9}   = 0;
885  let Inst{10}    = R;
886  let Inst{11-20} = 0;
887  let Inst{21-30} = xo;
888  let Inst{31}    = RC;
889}
890
891class XForm_htm1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
892                 string asmstr, InstrItinClass itin, list<dag> pattern>
893  : I<opcode, OOL, IOL, asmstr, itin> {
894  bit A;
895
896  bit RC = 1;
897
898  let Inst{6}     = A;
899  let Inst{7-20}  = 0;
900  let Inst{21-30} = xo;
901  let Inst{31}    = RC;
902}
903
904class XForm_htm2<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
905              InstrItinClass itin, list<dag> pattern>
906  : I<opcode, OOL, IOL, asmstr, itin> {
907  bit L;
908
909  bit RC = 0;    // set by isRecordForm
910
911  let Inst{7-9}   = 0;
912  let Inst{10}    = L;
913  let Inst{11-20} = 0;
914  let Inst{21-30} = xo;
915  let Inst{31}    = RC;
916}
917
918class XForm_htm3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
919              InstrItinClass itin, list<dag> pattern>
920  : I<opcode, OOL, IOL, asmstr, itin> {
921  bits<3> BF;
922
923  bit RC = 0;
924
925  let Inst{6-8}   = BF;
926  let Inst{9-20}  = 0;
927  let Inst{21-30} = xo;
928  let Inst{31}    = RC;
929}
930
931// [PO RT RA RB XO /]
932class X_BF3_L1_RS5_RS5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
933                       string asmstr, InstrItinClass itin, list<dag> pattern>
934  : I<opcode, OOL, IOL, asmstr, itin> {
935  bits<3> BF;
936  bits<1> L;
937  bits<5> RA;
938  bits<5> RB;
939
940  let Pattern = pattern;
941
942  let Inst{6-8}   = BF;
943  let Inst{9}     = 0;
944  let Inst{10}    = L;
945  let Inst{11-15} = RA;
946  let Inst{16-20} = RB;
947  let Inst{21-30} = xo;
948  let Inst{31}    = 0;
949}
950
951// Same as XForm_17 but with GPR's and new naming convention
952class X_BF3_RS5_RS5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
953                    string asmstr, InstrItinClass itin, list<dag> pattern>
954         : I<opcode, OOL, IOL, asmstr, itin> {
955  bits<3> BF;
956  bits<5> RA;
957  bits<5> RB;
958
959  let Pattern = pattern;
960
961  let Inst{6-8}   = BF;
962  let Inst{9-10}  = 0;
963  let Inst{11-15} = RA;
964  let Inst{16-20} = RB;
965  let Inst{21-30} = xo;
966  let Inst{31}    = 0;
967}
968
969// e.g. [PO VRT XO VRB XO /] or [PO VRT XO VRB XO RO]
970class X_RD5_XO5_RS5<bits<6> opcode, bits<5> xo2, bits<10> xo, dag OOL, dag IOL,
971                    string asmstr, InstrItinClass itin, list<dag> pattern>
972  : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
973  let A = xo2;
974}
975
976class X_BF3_DCMX7_RS5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
977                      string asmstr, InstrItinClass itin, list<dag> pattern>
978  : I<opcode, OOL, IOL, asmstr, itin> {
979  bits<3> BF;
980  bits<7> DCMX;
981  bits<5> VB;
982
983  let Pattern = pattern;
984
985  let Inst{6-8}  = BF;
986  let Inst{9-15} = DCMX;
987  let Inst{16-20} = VB;
988  let Inst{21-30} = xo;
989  let Inst{31}    = 0;
990}
991
992class X_RD6_IMM8<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
993                 string asmstr, InstrItinClass itin, list<dag> pattern>
994  : I<opcode, OOL, IOL, asmstr, itin> {
995  bits<6> XT;
996  bits<8> IMM8;
997
998  let Pattern = pattern;
999
1000  let Inst{6-10}  = XT{4-0};
1001  let Inst{11-12} = 0;
1002  let Inst{13-20} = IMM8;
1003  let Inst{21-30} = xo;
1004  let Inst{31}    = XT{5};
1005}
1006
1007// XForm_base_r3xo for instructions such as P9 atomics where we don't want
1008// to specify an SDAG pattern for matching.
1009class X_RD5_RS5_IM5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1010                    string asmstr, InstrItinClass itin>
1011  : XForm_base_r3xo_memOp<opcode, xo, OOL, IOL, asmstr, itin, []> {
1012}
1013
1014class X_BF3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1015            InstrItinClass itin>
1016  : XForm_17<opcode, xo, OOL, IOL, asmstr, itin> {
1017  let FRA = 0;
1018  let FRB = 0;
1019}
1020
1021// [PO /// L RA RB XO /]
1022class X_L1_RS5_RS5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1023                   string asmstr, InstrItinClass itin, list<dag> pattern>
1024  : XForm_16<opcode, xo, OOL, IOL, asmstr, itin> {
1025  let BF = 0;
1026  let Pattern = pattern;
1027
1028  bit RC = 0;
1029  let Inst{31} = RC;
1030}
1031
1032// XX*-Form (VSX)
1033class XX1Form<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1034              InstrItinClass itin, list<dag> pattern>
1035  : I<opcode, OOL, IOL, asmstr, itin> {
1036  bits<6> XT;
1037  bits<5> A;
1038  bits<5> B;
1039
1040  let Pattern = pattern;
1041
1042  let Inst{6-10}  = XT{4-0};
1043  let Inst{11-15} = A;
1044  let Inst{16-20} = B;
1045  let Inst{21-30} = xo;
1046  let Inst{31}    = XT{5};
1047}
1048
1049class XX1Form_memOp<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1050                    string asmstr, InstrItinClass itin, list<dag> pattern>
1051  : XX1Form<opcode, xo, OOL, IOL, asmstr, itin, pattern>, XFormMemOp;
1052
1053class XX1_RS6_RD5_XO<bits<6> opcode, bits<10> xo, dag OOL, dag IOL,
1054                     string asmstr, InstrItinClass itin, list<dag> pattern>
1055  : XX1Form<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1056  let B = 0;
1057}
1058
1059class XX2Form<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
1060              InstrItinClass itin, list<dag> pattern>
1061  : I<opcode, OOL, IOL, asmstr, itin> {
1062  bits<6> XT;
1063  bits<6> XB;
1064
1065  let Pattern = pattern;
1066
1067  let Inst{6-10}  = XT{4-0};
1068  let Inst{11-15} = 0;
1069  let Inst{16-20} = XB{4-0};
1070  let Inst{21-29} = xo;
1071  let Inst{30}    = XB{5};
1072  let Inst{31}    = XT{5};
1073}
1074
1075class XX2Form_1<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
1076                InstrItinClass itin, list<dag> pattern>
1077  : I<opcode, OOL, IOL, asmstr, itin> {
1078  bits<3> CR;
1079  bits<6> XB;
1080
1081  let Pattern = pattern;
1082
1083  let Inst{6-8}   = CR;
1084  let Inst{9-15}  = 0;
1085  let Inst{16-20} = XB{4-0};
1086  let Inst{21-29} = xo;
1087  let Inst{30}    = XB{5};
1088  let Inst{31}    = 0;
1089}
1090
1091class XX2Form_2<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
1092                InstrItinClass itin, list<dag> pattern>
1093  : I<opcode, OOL, IOL, asmstr, itin> {
1094  bits<6> XT;
1095  bits<6> XB;
1096  bits<2> D;
1097
1098  let Pattern = pattern;
1099
1100  let Inst{6-10}  = XT{4-0};
1101  let Inst{11-13} = 0;
1102  let Inst{14-15} = D;
1103  let Inst{16-20} = XB{4-0};
1104  let Inst{21-29} = xo;
1105  let Inst{30}    = XB{5};
1106  let Inst{31}    = XT{5};
1107}
1108
1109class XX2_RD6_UIM5_RS6<bits<6> opcode, bits<9> xo, dag OOL, dag IOL,
1110                       string asmstr, InstrItinClass itin, list<dag> pattern>
1111  : I<opcode, OOL, IOL, asmstr, itin> {
1112  bits<6> XT;
1113  bits<6> XB;
1114  bits<5> UIM5;
1115
1116  let Pattern = pattern;
1117
1118  let Inst{6-10}  = XT{4-0};
1119  let Inst{11-15} = UIM5;
1120  let Inst{16-20} = XB{4-0};
1121  let Inst{21-29} = xo;
1122  let Inst{30}    = XB{5};
1123  let Inst{31}    = XT{5};
1124}
1125
1126// [PO T XO B XO BX /]
1127class XX2_RD5_XO5_RS6<bits<6> opcode, bits<5> xo2, bits<9> xo, dag OOL, dag IOL,
1128                       string asmstr, InstrItinClass itin, list<dag> pattern>
1129  : I<opcode, OOL, IOL, asmstr, itin> {
1130  bits<5> RT;
1131  bits<6> XB;
1132
1133  let Pattern = pattern;
1134
1135  let Inst{6-10}  = RT;
1136  let Inst{11-15} = xo2;
1137  let Inst{16-20} = XB{4-0};
1138  let Inst{21-29} = xo;
1139  let Inst{30}    = XB{5};
1140  let Inst{31}    = 0;
1141}
1142
1143// [PO T XO B XO BX TX]
1144class XX2_RD6_XO5_RS6<bits<6> opcode, bits<5> xo2, bits<9> xo, dag OOL, dag IOL,
1145                      string asmstr, InstrItinClass itin, list<dag> pattern>
1146  : I<opcode, OOL, IOL, asmstr, itin> {
1147  bits<6> XT;
1148  bits<6> XB;
1149
1150  let Pattern = pattern;
1151
1152  let Inst{6-10}  = XT{4-0};
1153  let Inst{11-15} = xo2;
1154  let Inst{16-20} = XB{4-0};
1155  let Inst{21-29} = xo;
1156  let Inst{30}    = XB{5};
1157  let Inst{31}    = XT{5};
1158}
1159
1160class XX2_BF3_DCMX7_RS6<bits<6> opcode, bits<9> xo, dag OOL, dag IOL,
1161                      string asmstr, InstrItinClass itin, list<dag> pattern>
1162  : I<opcode, OOL, IOL, asmstr, itin> {
1163  bits<3> BF;
1164  bits<7> DCMX;
1165  bits<6> XB;
1166
1167  let Pattern = pattern;
1168
1169  let Inst{6-8}  = BF;
1170  let Inst{9-15} = DCMX;
1171  let Inst{16-20} = XB{4-0};
1172  let Inst{21-29} = xo;
1173  let Inst{30}    = XB{5};
1174  let Inst{31}    = 0;
1175}
1176
1177class XX2_RD6_DCMX7_RS6<bits<6> opcode, bits<4> xo1, bits<3> xo2,
1178                        dag OOL, dag IOL, string asmstr, InstrItinClass itin,
1179                        list<dag> pattern>
1180  : I<opcode, OOL, IOL, asmstr, itin> {
1181  bits<6> XT;
1182  bits<7> DCMX;
1183  bits<6> XB;
1184
1185  let Pattern = pattern;
1186
1187  let Inst{6-10}  = XT{4-0};
1188  let Inst{11-15} = DCMX{4-0};
1189  let Inst{16-20} = XB{4-0};
1190  let Inst{21-24} = xo1;
1191  let Inst{25}    = DCMX{6};
1192  let Inst{26-28} = xo2;
1193  let Inst{29}    = DCMX{5};
1194  let Inst{30}    = XB{5};
1195  let Inst{31}    = XT{5};
1196}
1197
1198class XX3Form<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
1199              InstrItinClass itin, list<dag> pattern>
1200  : I<opcode, OOL, IOL, asmstr, itin> {
1201  bits<6> XT;
1202  bits<6> XA;
1203  bits<6> XB;
1204
1205  let Pattern = pattern;
1206
1207  let Inst{6-10}  = XT{4-0};
1208  let Inst{11-15} = XA{4-0};
1209  let Inst{16-20} = XB{4-0};
1210  let Inst{21-28} = xo;
1211  let Inst{29}    = XA{5};
1212  let Inst{30}    = XB{5};
1213  let Inst{31}    = XT{5};
1214}
1215
1216class XX3Form_SameOp<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
1217              InstrItinClass itin, list<dag> pattern>
1218  : XX3Form<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1219  let XA = XT;
1220  let XB = XT;
1221}
1222
1223class XX3Form_1<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
1224                InstrItinClass itin, list<dag> pattern>
1225  : I<opcode, OOL, IOL, asmstr, itin> {
1226  bits<3> CR;
1227  bits<6> XA;
1228  bits<6> XB;
1229
1230  let Pattern = pattern;
1231
1232  let Inst{6-8}   = CR;
1233  let Inst{9-10}  = 0;
1234  let Inst{11-15} = XA{4-0};
1235  let Inst{16-20} = XB{4-0};
1236  let Inst{21-28} = xo;
1237  let Inst{29}    = XA{5};
1238  let Inst{30}    = XB{5};
1239  let Inst{31}    = 0;
1240}
1241
1242class XX3Form_2<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1243                InstrItinClass itin, list<dag> pattern>
1244  : I<opcode, OOL, IOL, asmstr, itin> {
1245  bits<6> XT;
1246  bits<6> XA;
1247  bits<6> XB;
1248  bits<2> D;
1249
1250  let Pattern = pattern;
1251
1252  let Inst{6-10}  = XT{4-0};
1253  let Inst{11-15} = XA{4-0};
1254  let Inst{16-20} = XB{4-0};
1255  let Inst{21}    = 0;
1256  let Inst{22-23} = D;
1257  let Inst{24-28} = xo;
1258  let Inst{29}    = XA{5};
1259  let Inst{30}    = XB{5};
1260  let Inst{31}    = XT{5};
1261}
1262
1263class XX3Form_Rc<bits<6> opcode, bits<7> xo, dag OOL, dag IOL, string asmstr,
1264              InstrItinClass itin, list<dag> pattern>
1265  : I<opcode, OOL, IOL, asmstr, itin> {
1266  bits<6> XT;
1267  bits<6> XA;
1268  bits<6> XB;
1269
1270  let Pattern = pattern;
1271
1272  bit RC = 0;    // set by isRecordForm
1273
1274  let Inst{6-10}  = XT{4-0};
1275  let Inst{11-15} = XA{4-0};
1276  let Inst{16-20} = XB{4-0};
1277  let Inst{21}    = RC;
1278  let Inst{22-28} = xo;
1279  let Inst{29}    = XA{5};
1280  let Inst{30}    = XB{5};
1281  let Inst{31}    = XT{5};
1282}
1283
1284class XX4Form<bits<6> opcode, bits<2> xo, dag OOL, dag IOL, string asmstr,
1285              InstrItinClass itin, list<dag> pattern>
1286  : I<opcode, OOL, IOL, asmstr, itin> {
1287  bits<6> XT;
1288  bits<6> XA;
1289  bits<6> XB;
1290  bits<6> XC;
1291
1292  let Pattern = pattern;
1293
1294  let Inst{6-10}  = XT{4-0};
1295  let Inst{11-15} = XA{4-0};
1296  let Inst{16-20} = XB{4-0};
1297  let Inst{21-25} = XC{4-0};
1298  let Inst{26-27} = xo;
1299  let Inst{28}    = XC{5};
1300  let Inst{29}    = XA{5};
1301  let Inst{30}    = XB{5};
1302  let Inst{31}    = XT{5};
1303}
1304
1305// DCB_Form - Form X instruction, used for dcb* instructions.
1306class DCB_Form<bits<10> xo, bits<5> immfield, dag OOL, dag IOL, string asmstr,
1307                      InstrItinClass itin, list<dag> pattern>
1308  : I<31, OOL, IOL, asmstr, itin> {
1309  bits<5> A;
1310  bits<5> B;
1311
1312  let Pattern = pattern;
1313
1314  let Inst{6-10}  = immfield;
1315  let Inst{11-15} = A;
1316  let Inst{16-20} = B;
1317  let Inst{21-30} = xo;
1318  let Inst{31}    = 0;
1319}
1320
1321class DCB_Form_hint<bits<10> xo, dag OOL, dag IOL, string asmstr,
1322                    InstrItinClass itin, list<dag> pattern>
1323  : I<31, OOL, IOL, asmstr, itin> {
1324  bits<5> TH;
1325  bits<5> A;
1326  bits<5> B;
1327
1328  let Pattern = pattern;
1329
1330  let Inst{6-10}  = TH;
1331  let Inst{11-15} = A;
1332  let Inst{16-20} = B;
1333  let Inst{21-30} = xo;
1334  let Inst{31}    = 0;
1335}
1336
1337// DSS_Form - Form X instruction, used for altivec dss* instructions.
1338class DSS_Form<bits<1> T, bits<10> xo, dag OOL, dag IOL, string asmstr,
1339                      InstrItinClass itin, list<dag> pattern>
1340  : I<31, OOL, IOL, asmstr, itin> {
1341  bits<2> STRM;
1342  bits<5> A;
1343  bits<5> B;
1344
1345  let Pattern = pattern;
1346
1347  let Inst{6}     = T;
1348  let Inst{7-8}   = 0;
1349  let Inst{9-10}  = STRM;
1350  let Inst{11-15} = A;
1351  let Inst{16-20} = B;
1352  let Inst{21-30} = xo;
1353  let Inst{31}    = 0;
1354}
1355
1356// 1.7.7 XL-Form
1357class XLForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1358               InstrItinClass itin, list<dag> pattern>
1359    : I<opcode, OOL, IOL, asmstr, itin> {
1360  bits<5> CRD;
1361  bits<5> CRA;
1362  bits<5> CRB;
1363
1364  let Pattern = pattern;
1365
1366  let Inst{6-10}  = CRD;
1367  let Inst{11-15} = CRA;
1368  let Inst{16-20} = CRB;
1369  let Inst{21-30} = xo;
1370  let Inst{31}    = 0;
1371}
1372
1373class XLForm_1_np<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1374                  InstrItinClass itin, list<dag> pattern>
1375  : XLForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1376  let CRD = 0;
1377  let CRA = 0;
1378  let CRB = 0;
1379}
1380
1381class XLForm_1_gen<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1382                   InstrItinClass itin, list<dag> pattern>
1383  : XLForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1384  bits<5> RT;
1385  bits<5> RB;
1386
1387  let CRD = RT;
1388  let CRA = 0;
1389  let CRB = RB;
1390}
1391
1392class XLForm_1_ext<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1393               InstrItinClass itin, list<dag> pattern>
1394    : I<opcode, OOL, IOL, asmstr, itin> {
1395  bits<5> CRD;
1396
1397  let Pattern = pattern;
1398
1399  let Inst{6-10}  = CRD;
1400  let Inst{11-15} = CRD;
1401  let Inst{16-20} = CRD;
1402  let Inst{21-30} = xo;
1403  let Inst{31}    = 0;
1404}
1405
1406class XLForm_2<bits<6> opcode, bits<10> xo, bit lk, dag OOL, dag IOL, string asmstr,
1407               InstrItinClass itin, list<dag> pattern>
1408    : I<opcode, OOL, IOL, asmstr, itin> {
1409  bits<5> BO;
1410  bits<5> BI;
1411  bits<2> BH;
1412
1413  let Pattern = pattern;
1414
1415  let Inst{6-10}  = BO;
1416  let Inst{11-15} = BI;
1417  let Inst{16-18} = 0;
1418  let Inst{19-20} = BH;
1419  let Inst{21-30} = xo;
1420  let Inst{31}    = lk;
1421}
1422
1423class XLForm_2_br<bits<6> opcode, bits<10> xo, bit lk,
1424                  dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
1425  : XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
1426  bits<7> BIBO;  // 2 bits of BI and 5 bits of BO.
1427  bits<3>  CR;
1428
1429  let BO = BIBO{4-0};
1430  let BI{0-1} = BIBO{5-6};
1431  let BI{2-4} = CR{0-2};
1432  let BH = 0;
1433}
1434
1435class XLForm_2_br2<bits<6> opcode, bits<10> xo, bits<5> bo, bit lk,
1436                   dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
1437  : XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
1438  let BO = bo;
1439  let BH = 0;
1440}
1441
1442class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo,  bits<5> bi, bit lk,
1443                  dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
1444  : XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
1445  let BO = bo;
1446  let BI = bi;
1447  let BH = 0;
1448}
1449
1450class XLForm_3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1451               InstrItinClass itin>
1452         : I<opcode, OOL, IOL, asmstr, itin> {
1453  bits<3> BF;
1454  bits<3> BFA;
1455
1456  let Inst{6-8}   = BF;
1457  let Inst{9-10}  = 0;
1458  let Inst{11-13} = BFA;
1459  let Inst{14-15} = 0;
1460  let Inst{16-20} = 0;
1461  let Inst{21-30} = xo;
1462  let Inst{31}    = 0;
1463}
1464
1465class XLForm_4<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1466               InstrItinClass itin>
1467         : I<opcode, OOL, IOL, asmstr, itin> {
1468  bits<3> BF;
1469  bit W;
1470  bits<4> U;
1471
1472  bit RC = 0;
1473
1474  let Inst{6-8}   = BF;
1475  let Inst{9-10}  = 0;
1476  let Inst{11-14} = 0;
1477  let Inst{15}    = W;
1478  let Inst{16-19} = U;
1479  let Inst{20}    = 0;
1480  let Inst{21-30} = xo;
1481  let Inst{31}    = RC;
1482}
1483
1484class XLForm_S<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1485               InstrItinClass itin, list<dag> pattern>
1486    : I<opcode, OOL, IOL, asmstr, itin> {
1487  bits<1> S;
1488
1489  let Pattern = pattern;
1490
1491  let Inst{6-19}  = 0;
1492  let Inst{20}    = S;
1493  let Inst{21-30} = xo;
1494  let Inst{31}    = 0;
1495}
1496
1497class XLForm_2_and_DSForm_1<bits<6> opcode1, bits<10> xo1, bit lk,
1498                            bits<6> opcode2, bits<2> xo2,
1499                            dag OOL, dag IOL, string asmstr,
1500                            InstrItinClass itin, list<dag> pattern>
1501        : I2<opcode1, opcode2, OOL, IOL, asmstr, itin> {
1502  bits<5> BO;
1503  bits<5> BI;
1504  bits<2> BH;
1505
1506  bits<5>  RST;
1507  bits<19> DS_RA;
1508
1509  let Pattern = pattern;
1510
1511  let Inst{6-10}  = BO;
1512  let Inst{11-15} = BI;
1513  let Inst{16-18} = 0;
1514  let Inst{19-20} = BH;
1515  let Inst{21-30} = xo1;
1516  let Inst{31}    = lk;
1517
1518  let Inst{38-42} = RST;
1519  let Inst{43-47} = DS_RA{18-14};  // Register #
1520  let Inst{48-61} = DS_RA{13-0};   // Displacement.
1521  let Inst{62-63} = xo2;
1522}
1523
1524class XLForm_2_ext_and_DSForm_1<bits<6> opcode1, bits<10> xo1,
1525                                bits<5> bo, bits<5> bi, bit lk,
1526                                bits<6> opcode2, bits<2> xo2,
1527                                dag OOL, dag IOL, string asmstr,
1528                                InstrItinClass itin, list<dag> pattern>
1529  : XLForm_2_and_DSForm_1<opcode1, xo1, lk, opcode2, xo2,
1530                          OOL, IOL, asmstr, itin, pattern> {
1531  let BO = bo;
1532  let BI = bi;
1533  let BH = 0;
1534}
1535
1536class XLForm_2_ext_and_DForm_1<bits<6> opcode1, bits<10> xo1, bits<5> bo,
1537                               bits<5> bi, bit lk, bits<6> opcode2, dag OOL,
1538                               dag IOL, string asmstr, InstrItinClass itin,
1539                               list<dag> pattern>
1540  : I2<opcode1, opcode2, OOL, IOL, asmstr, itin> {
1541
1542  bits<5>  RST;
1543  bits<21> D_RA;
1544
1545  let Pattern = pattern;
1546
1547  let Inst{6-10} = bo;
1548  let Inst{11-15} = bi;
1549  let Inst{16-18} = 0;
1550  let Inst{19-20} = 0;  // Unused (BH)
1551  let Inst{21-30} = xo1;
1552  let Inst{31} = lk;
1553
1554  let Inst{38-42} = RST;
1555  let Inst{43-47} = D_RA{20-16};  // Base Register
1556  let Inst{48-63} = D_RA{15-0};   // Displacement
1557}
1558
1559// 1.7.8 XFX-Form
1560class XFXForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1561                InstrItinClass itin>
1562         : I<opcode, OOL, IOL, asmstr, itin> {
1563  bits<5>  RT;
1564  bits<10> SPR;
1565
1566  let Inst{6-10}  = RT;
1567  let Inst{11}    = SPR{4};
1568  let Inst{12}    = SPR{3};
1569  let Inst{13}    = SPR{2};
1570  let Inst{14}    = SPR{1};
1571  let Inst{15}    = SPR{0};
1572  let Inst{16}    = SPR{9};
1573  let Inst{17}    = SPR{8};
1574  let Inst{18}    = SPR{7};
1575  let Inst{19}    = SPR{6};
1576  let Inst{20}    = SPR{5};
1577  let Inst{21-30} = xo;
1578  let Inst{31}    = 0;
1579}
1580
1581class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
1582                   dag OOL, dag IOL, string asmstr, InstrItinClass itin>
1583  : XFXForm_1<opcode, xo, OOL, IOL, asmstr, itin> {
1584  let SPR = spr;
1585}
1586
1587class XFXForm_3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1588                InstrItinClass itin>
1589         : I<opcode, OOL, IOL, asmstr, itin> {
1590  bits<5>  RT;
1591
1592  let Inst{6-10}  = RT;
1593  let Inst{11-20} = 0;
1594  let Inst{21-30} = xo;
1595  let Inst{31}    = 0;
1596}
1597
1598class XFXForm_3p<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1599                 InstrItinClass itin, list<dag> pattern>
1600         : I<opcode, OOL, IOL, asmstr, itin> {
1601  bits<5>  RT;
1602  bits<10> Entry;
1603  let Pattern = pattern;
1604
1605  let Inst{6-10}  = RT;
1606  let Inst{11-20} = Entry;
1607  let Inst{21-30} = xo;
1608  let Inst{31}    = 0;
1609}
1610
1611class XFXForm_5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1612                InstrItinClass itin>
1613  : I<opcode, OOL, IOL, asmstr, itin> {
1614  bits<8>  FXM;
1615  bits<5>  rS;
1616
1617  let Inst{6-10}  = rS;
1618  let Inst{11}    = 0;
1619  let Inst{12-19} = FXM;
1620  let Inst{20}    = 0;
1621  let Inst{21-30} = xo;
1622  let Inst{31}    = 0;
1623}
1624
1625class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1626                 InstrItinClass itin>
1627  : I<opcode, OOL, IOL, asmstr, itin> {
1628  bits<5>  ST;
1629  bits<8>  FXM;
1630
1631  let Inst{6-10}  = ST;
1632  let Inst{11}    = 1;
1633  let Inst{12-19} = FXM;
1634  let Inst{20}    = 0;
1635  let Inst{21-30} = xo;
1636  let Inst{31}    = 0;
1637}
1638
1639class XFXForm_7<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1640                InstrItinClass itin>
1641  : XFXForm_1<opcode, xo, OOL, IOL, asmstr, itin>;
1642
1643class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
1644                    dag OOL, dag IOL, string asmstr, InstrItinClass itin>
1645  : XFXForm_7<opcode, xo, OOL, IOL, asmstr, itin> {
1646  let SPR = spr;
1647}
1648
1649// XFL-Form - MTFSF
1650// This is probably 1.7.9, but I don't have the reference that uses this
1651// numbering scheme...
1652class XFLForm<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1653              InstrItinClass itin, list<dag>pattern>
1654  : I<opcode, OOL, IOL, asmstr, itin> {
1655  bits<8> FM;
1656  bits<5> rT;
1657
1658  bit RC = 0;    // set by isRecordForm
1659  let Pattern = pattern;
1660
1661  let Inst{6} = 0;
1662  let Inst{7-14}  = FM;
1663  let Inst{15} = 0;
1664  let Inst{16-20} = rT;
1665  let Inst{21-30} = xo;
1666  let Inst{31}    = RC;
1667}
1668
1669class XFLForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
1670                InstrItinClass itin, list<dag>pattern>
1671  : I<opcode, OOL, IOL, asmstr, itin> {
1672  bit L;
1673  bits<8> FLM;
1674  bit W;
1675  bits<5> FRB;
1676
1677  bit RC = 0;    // set by isRecordForm
1678  let Pattern = pattern;
1679
1680  let Inst{6}     = L;
1681  let Inst{7-14}  = FLM;
1682  let Inst{15}    = W;
1683  let Inst{16-20} = FRB;
1684  let Inst{21-30} = xo;
1685  let Inst{31}    = RC;
1686}
1687
1688// 1.7.10 XS-Form - SRADI.
1689class XSForm_1<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
1690               InstrItinClass itin, list<dag> pattern>
1691         : I<opcode, OOL, IOL, asmstr, itin> {
1692  bits<5> A;
1693  bits<5> RS;
1694  bits<6> SH;
1695
1696  bit RC = 0;    // set by isRecordForm
1697  let Pattern = pattern;
1698
1699  let Inst{6-10}  = RS;
1700  let Inst{11-15} = A;
1701  let Inst{16-20} = SH{4,3,2,1,0};
1702  let Inst{21-29} = xo;
1703  let Inst{30}    = SH{5};
1704  let Inst{31}    = RC;
1705}
1706
1707// 1.7.11 XO-Form
1708class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OOL, dag IOL, string asmstr,
1709               InstrItinClass itin, list<dag> pattern>
1710         : I<opcode, OOL, IOL, asmstr, itin> {
1711  bits<5> RT;
1712  bits<5> RA;
1713  bits<5> RB;
1714
1715  let Pattern = pattern;
1716
1717  bit RC = 0;    // set by isRecordForm
1718
1719  let Inst{6-10}  = RT;
1720  let Inst{11-15} = RA;
1721  let Inst{16-20} = RB;
1722  let Inst{21}    = oe;
1723  let Inst{22-30} = xo;
1724  let Inst{31}    = RC;
1725}
1726
1727class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
1728               dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
1729  : XOForm_1<opcode, xo, oe, OOL, IOL, asmstr, itin, pattern> {
1730  let RB = 0;
1731}
1732
1733// 1.7.12 A-Form
1734class AForm_1<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1735              InstrItinClass itin, list<dag> pattern>
1736         : I<opcode, OOL, IOL, asmstr, itin> {
1737  bits<5> FRT;
1738  bits<5> FRA;
1739  bits<5> FRC;
1740  bits<5> FRB;
1741
1742  let Pattern = pattern;
1743
1744  bit RC = 0;    // set by isRecordForm
1745
1746  let Inst{6-10}  = FRT;
1747  let Inst{11-15} = FRA;
1748  let Inst{16-20} = FRB;
1749  let Inst{21-25} = FRC;
1750  let Inst{26-30} = xo;
1751  let Inst{31}    = RC;
1752}
1753
1754class AForm_2<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1755              InstrItinClass itin, list<dag> pattern>
1756  : AForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1757  let FRC = 0;
1758}
1759
1760class AForm_3<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1761              InstrItinClass itin, list<dag> pattern>
1762  : AForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1763  let FRB = 0;
1764}
1765
1766class AForm_4<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1767              InstrItinClass itin, list<dag> pattern>
1768         : I<opcode, OOL, IOL, asmstr, itin> {
1769  bits<5> RT;
1770  bits<5> RA;
1771  bits<5> RB;
1772  bits<5> COND;
1773
1774  let Pattern = pattern;
1775
1776  let Inst{6-10}  = RT;
1777  let Inst{11-15} = RA;
1778  let Inst{16-20} = RB;
1779  let Inst{21-25} = COND;
1780  let Inst{26-30} = xo;
1781  let Inst{31}    = 0;
1782}
1783
1784// Used for QPX
1785class AForm_4a<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
1786              InstrItinClass itin, list<dag> pattern>
1787  : AForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
1788  let FRA = 0;
1789  let FRC = 0;
1790}
1791
1792// 1.7.13 M-Form
1793class MForm_1<bits<6> opcode, dag OOL, dag IOL, string asmstr,
1794              InstrItinClass itin, list<dag> pattern>
1795    : I<opcode, OOL, IOL, asmstr, itin> {
1796  bits<5> RA;
1797  bits<5> RS;
1798  bits<5> RB;
1799  bits<5> MB;
1800  bits<5> ME;
1801
1802  let Pattern = pattern;
1803
1804  bit RC = 0;    // set by isRecordForm
1805
1806  let Inst{6-10}  = RS;
1807  let Inst{11-15} = RA;
1808  let Inst{16-20} = RB;
1809  let Inst{21-25} = MB;
1810  let Inst{26-30} = ME;
1811  let Inst{31}    = RC;
1812}
1813
1814class MForm_2<bits<6> opcode, dag OOL, dag IOL, string asmstr,
1815              InstrItinClass itin, list<dag> pattern>
1816  : MForm_1<opcode, OOL, IOL, asmstr, itin, pattern> {
1817}
1818
1819// 1.7.14 MD-Form
1820class MDForm_1<bits<6> opcode, bits<3> xo, dag OOL, dag IOL, string asmstr,
1821               InstrItinClass itin, list<dag> pattern>
1822    : I<opcode, OOL, IOL, asmstr, itin> {
1823  bits<5> RA;
1824  bits<5> RS;
1825  bits<6> SH;
1826  bits<6> MBE;
1827
1828  let Pattern = pattern;
1829
1830  bit RC = 0;    // set by isRecordForm
1831
1832  let Inst{6-10}  = RS;
1833  let Inst{11-15} = RA;
1834  let Inst{16-20} = SH{4,3,2,1,0};
1835  let Inst{21-26} = MBE{4,3,2,1,0,5};
1836  let Inst{27-29} = xo;
1837  let Inst{30}    = SH{5};
1838  let Inst{31}    = RC;
1839}
1840
1841class MDSForm_1<bits<6> opcode, bits<4> xo, dag OOL, dag IOL, string asmstr,
1842                InstrItinClass itin, list<dag> pattern>
1843    : I<opcode, OOL, IOL, asmstr, itin> {
1844  bits<5> RA;
1845  bits<5> RS;
1846  bits<5> RB;
1847  bits<6> MBE;
1848
1849  let Pattern = pattern;
1850
1851  bit RC = 0;    // set by isRecordForm
1852
1853  let Inst{6-10}  = RS;
1854  let Inst{11-15} = RA;
1855  let Inst{16-20} = RB;
1856  let Inst{21-26} = MBE{4,3,2,1,0,5};
1857  let Inst{27-30} = xo;
1858  let Inst{31}    = RC;
1859}
1860
1861
1862// E-1 VA-Form
1863
1864// VAForm_1 - DACB ordering.
1865class VAForm_1<bits<6> xo, dag OOL, dag IOL, string asmstr,
1866               InstrItinClass itin, list<dag> pattern>
1867    : I<4, OOL, IOL, asmstr, itin> {
1868  bits<5> VD;
1869  bits<5> VA;
1870  bits<5> VC;
1871  bits<5> VB;
1872
1873  let Pattern = pattern;
1874
1875  let Inst{6-10}  = VD;
1876  let Inst{11-15} = VA;
1877  let Inst{16-20} = VB;
1878  let Inst{21-25} = VC;
1879  let Inst{26-31} = xo;
1880}
1881
1882// VAForm_1a - DABC ordering.
1883class VAForm_1a<bits<6> xo, dag OOL, dag IOL, string asmstr,
1884                InstrItinClass itin, list<dag> pattern>
1885    : I<4, OOL, IOL, asmstr, itin> {
1886  bits<5> VD;
1887  bits<5> VA;
1888  bits<5> VB;
1889  bits<5> VC;
1890
1891  let Pattern = pattern;
1892
1893  let Inst{6-10}  = VD;
1894  let Inst{11-15} = VA;
1895  let Inst{16-20} = VB;
1896  let Inst{21-25} = VC;
1897  let Inst{26-31} = xo;
1898}
1899
1900class VAForm_2<bits<6> xo, dag OOL, dag IOL, string asmstr,
1901               InstrItinClass itin, list<dag> pattern>
1902    : I<4, OOL, IOL, asmstr, itin> {
1903  bits<5> VD;
1904  bits<5> VA;
1905  bits<5> VB;
1906  bits<4> SH;
1907
1908  let Pattern = pattern;
1909
1910  let Inst{6-10}  = VD;
1911  let Inst{11-15} = VA;
1912  let Inst{16-20} = VB;
1913  let Inst{21}    = 0;
1914  let Inst{22-25} = SH;
1915  let Inst{26-31} = xo;
1916}
1917
1918// E-2 VX-Form
1919class VXForm_1<bits<11> xo, dag OOL, dag IOL, string asmstr,
1920               InstrItinClass itin, list<dag> pattern>
1921    : I<4, OOL, IOL, asmstr, itin> {
1922  bits<5> VD;
1923  bits<5> VA;
1924  bits<5> VB;
1925
1926  let Pattern = pattern;
1927
1928  let Inst{6-10}  = VD;
1929  let Inst{11-15} = VA;
1930  let Inst{16-20} = VB;
1931  let Inst{21-31} = xo;
1932}
1933
1934class VXForm_setzero<bits<11> xo, dag OOL, dag IOL, string asmstr,
1935               InstrItinClass itin, list<dag> pattern>
1936    : VXForm_1<xo, OOL, IOL, asmstr, itin, pattern> {
1937  let VA = VD;
1938  let VB = VD;
1939}
1940
1941
1942class VXForm_2<bits<11> xo, dag OOL, dag IOL, string asmstr,
1943               InstrItinClass itin, list<dag> pattern>
1944    : I<4, OOL, IOL, asmstr, itin> {
1945  bits<5> VD;
1946  bits<5> VB;
1947
1948  let Pattern = pattern;
1949
1950  let Inst{6-10}  = VD;
1951  let Inst{11-15} = 0;
1952  let Inst{16-20} = VB;
1953  let Inst{21-31} = xo;
1954}
1955
1956class VXForm_3<bits<11> xo, dag OOL, dag IOL, string asmstr,
1957               InstrItinClass itin, list<dag> pattern>
1958    : I<4, OOL, IOL, asmstr, itin> {
1959  bits<5> VD;
1960  bits<5> IMM;
1961
1962  let Pattern = pattern;
1963
1964  let Inst{6-10}  = VD;
1965  let Inst{11-15} = IMM;
1966  let Inst{16-20} = 0;
1967  let Inst{21-31} = xo;
1968}
1969
1970/// VXForm_4 - VX instructions with "VD,0,0" register fields, like mfvscr.
1971class VXForm_4<bits<11> xo, dag OOL, dag IOL, string asmstr,
1972               InstrItinClass itin, list<dag> pattern>
1973    : I<4, OOL, IOL, asmstr, itin> {
1974  bits<5> VD;
1975
1976  let Pattern = pattern;
1977
1978  let Inst{6-10}  = VD;
1979  let Inst{11-15} = 0;
1980  let Inst{16-20} = 0;
1981  let Inst{21-31} = xo;
1982}
1983
1984/// VXForm_5 - VX instructions with "0,0,VB" register fields, like mtvscr.
1985class VXForm_5<bits<11> xo, dag OOL, dag IOL, string asmstr,
1986               InstrItinClass itin, list<dag> pattern>
1987    : I<4, OOL, IOL, asmstr, itin> {
1988  bits<5> VB;
1989
1990  let Pattern = pattern;
1991
1992  let Inst{6-10}  = 0;
1993  let Inst{11-15} = 0;
1994  let Inst{16-20} = VB;
1995  let Inst{21-31} = xo;
1996}
1997
1998// e.g. [PO VRT EO VRB XO]
1999class VXForm_RD5_XO5_RS5<bits<11> xo, bits<5> eo, dag OOL, dag IOL,
2000                         string asmstr, InstrItinClass itin, list<dag> pattern>
2001    : I<4, OOL, IOL, asmstr, itin> {
2002  bits<5> RD;
2003  bits<5> VB;
2004
2005  let Pattern = pattern;
2006
2007  let Inst{6-10}  = RD;
2008  let Inst{11-15} = eo;
2009  let Inst{16-20} = VB;
2010  let Inst{21-31} = xo;
2011}
2012
2013/// VXForm_CR - VX crypto instructions with "VRT, VRA, ST, SIX"
2014class VXForm_CR<bits<11> xo, dag OOL, dag IOL, string asmstr,
2015               InstrItinClass itin, list<dag> pattern>
2016    : I<4, OOL, IOL, asmstr, itin> {
2017  bits<5> VD;
2018  bits<5> VA;
2019  bits<1> ST;
2020  bits<4> SIX;
2021
2022  let Pattern = pattern;
2023
2024  let Inst{6-10}  = VD;
2025  let Inst{11-15} = VA;
2026  let Inst{16} =  ST;
2027  let Inst{17-20} = SIX;
2028  let Inst{21-31} = xo;
2029}
2030
2031/// VXForm_BX - VX crypto instructions with "VRT, VRA, 0 - like vsbox"
2032class VXForm_BX<bits<11> xo, dag OOL, dag IOL, string asmstr,
2033               InstrItinClass itin, list<dag> pattern>
2034    : I<4, OOL, IOL, asmstr, itin> {
2035  bits<5> VD;
2036  bits<5> VA;
2037
2038  let Pattern = pattern;
2039
2040  let Inst{6-10}  = VD;
2041  let Inst{11-15} = VA;
2042  let Inst{16-20} = 0;
2043  let Inst{21-31} = xo;
2044}
2045
2046// E-4 VXR-Form
2047class VXRForm_1<bits<10> xo, dag OOL, dag IOL, string asmstr,
2048               InstrItinClass itin, list<dag> pattern>
2049    : I<4, OOL, IOL, asmstr, itin> {
2050  bits<5> VD;
2051  bits<5> VA;
2052  bits<5> VB;
2053  bit RC = 0;
2054
2055  let Pattern = pattern;
2056
2057  let Inst{6-10}  = VD;
2058  let Inst{11-15} = VA;
2059  let Inst{16-20} = VB;
2060  let Inst{21}    = RC;
2061  let Inst{22-31} = xo;
2062}
2063
2064// VX-Form: [PO VRT EO VRB 1 PS XO]
2065class VX_RD5_EO5_RS5_PS1_XO9<bits<5> eo, bits<9> xo,
2066                             dag OOL, dag IOL, string asmstr,
2067                             InstrItinClass itin, list<dag> pattern>
2068  : I<4, OOL, IOL, asmstr, itin> {
2069  bits<5> VD;
2070  bits<5> VB;
2071  bit PS;
2072
2073  let Pattern = pattern;
2074
2075  let Inst{6-10}  = VD;
2076  let Inst{11-15} = eo;
2077  let Inst{16-20} = VB;
2078  let Inst{21}    = 1;
2079  let Inst{22}    = PS;
2080  let Inst{23-31} = xo;
2081}
2082
2083// VX-Form: [PO VRT VRA VRB 1 PS XO] or [PO VRT VRA VRB 1 / XO]
2084class VX_RD5_RSp5_PS1_XO9<bits<9> xo, dag OOL, dag IOL, string asmstr,
2085                          InstrItinClass itin, list<dag> pattern>
2086  : I<4, OOL, IOL, asmstr, itin> {
2087  bits<5> VD;
2088  bits<5> VA;
2089  bits<5> VB;
2090  bit PS;
2091
2092  let Pattern = pattern;
2093
2094  let Inst{6-10}  = VD;
2095  let Inst{11-15} = VA;
2096  let Inst{16-20} = VB;
2097  let Inst{21}    = 1;
2098  let Inst{22}    = PS;
2099  let Inst{23-31} = xo;
2100}
2101
2102// Z23-Form (used by QPX)
2103class Z23Form_1<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
2104              InstrItinClass itin, list<dag> pattern>
2105         : I<opcode, OOL, IOL, asmstr, itin> {
2106  bits<5> FRT;
2107  bits<5> FRA;
2108  bits<5> FRB;
2109  bits<2> idx;
2110
2111  let Pattern = pattern;
2112
2113  bit RC = 0;    // set by isRecordForm
2114
2115  let Inst{6-10}  = FRT;
2116  let Inst{11-15} = FRA;
2117  let Inst{16-20} = FRB;
2118  let Inst{21-22} = idx;
2119  let Inst{23-30} = xo;
2120  let Inst{31}    = RC;
2121}
2122
2123class Z23Form_2<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
2124              InstrItinClass itin, list<dag> pattern>
2125  : Z23Form_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
2126  let FRB = 0;
2127}
2128
2129class Z23Form_3<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
2130              InstrItinClass itin, list<dag> pattern>
2131         : I<opcode, OOL, IOL, asmstr, itin> {
2132  bits<5> FRT;
2133  bits<12> idx;
2134
2135  let Pattern = pattern;
2136
2137  bit RC = 0;    // set by isRecordForm
2138
2139  let Inst{6-10}  = FRT;
2140  let Inst{11-22} = idx;
2141  let Inst{23-30} = xo;
2142  let Inst{31}    = RC;
2143}
2144
2145class Z23Form_8<bits<6> opcode, bits<8> xo, dag OOL, dag IOL, string asmstr,
2146              InstrItinClass itin, list<dag> pattern>
2147         : I<opcode, OOL, IOL, asmstr, itin> {
2148  bits<5> VRT;
2149  bit R;
2150  bits<5> VRB;
2151  bits<2> idx;
2152
2153  let Pattern = pattern;
2154
2155  bit RC = 0;    // set by isRecordForm
2156
2157  let Inst{6-10}  = VRT;
2158  let Inst{11-14} = 0;
2159  let Inst{15} = R;
2160  let Inst{16-20} = VRB;
2161  let Inst{21-22} = idx;
2162  let Inst{23-30} = xo;
2163  let Inst{31}    = RC;
2164}
2165
2166//===----------------------------------------------------------------------===//
2167// EmitTimePseudo won't have encoding information for the [MC]CodeEmitter
2168// stuff
2169class PPCEmitTimePseudo<dag OOL, dag IOL, string asmstr, list<dag> pattern>
2170    : I<0, OOL, IOL, asmstr, NoItinerary> {
2171  let isCodeGenOnly = 1;
2172  let PPC64 = 0;
2173  let Pattern = pattern;
2174  let Inst{31-0} = 0;
2175  let hasNoSchedulingInfo = 1;
2176}
2177
2178// Instruction that require custom insertion support
2179// a.k.a. ISelPseudos, however, these won't have isPseudo set
2180class PPCCustomInserterPseudo<dag OOL, dag IOL, string asmstr,
2181                              list<dag> pattern>
2182    : PPCEmitTimePseudo<OOL, IOL, asmstr, pattern> {
2183  let usesCustomInserter = 1;
2184}
2185
2186// PostRAPseudo will be expanded in expandPostRAPseudo, isPseudo flag in td
2187// files is set only for PostRAPseudo
2188class PPCPostRAExpPseudo<dag OOL, dag IOL, string asmstr, list<dag> pattern>
2189    : PPCEmitTimePseudo<OOL, IOL, asmstr, pattern> {
2190  let isPseudo = 1;
2191}
2192
2193class PseudoXFormMemOp<dag OOL, dag IOL, string asmstr, list<dag> pattern>
2194    : PPCPostRAExpPseudo<OOL, IOL, asmstr, pattern>, XFormMemOp;
2195
2196