1 //===- PowerPCInstrFormats.td - PowerPC Instruction Formats --*- tablegen -*-=//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
13 //===----------------------------------------------------------------------===//
15 // PowerPC instruction formats
17 class I<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
21 bit PPC64 = 0; // Default value, override with isPPC64
22 bit VMX = 0; // Default value, override with isVMX
25 let Namespace = "PPC";
26 let Inst{0-5} = opcode;
28 let AsmString = asmstr;
33 class IForm<bits<6> opcode, bit aa, bit lk, dag OL, string asmstr,
35 : I<opcode, OL, asmstr, itin> {
44 class BForm<bits<6> opcode, bit aa, bit lk, bits<5> bo, bits<2> bicode, dag OL,
45 string asmstr, InstrItinClass itin>
46 : I<opcode, OL, asmstr, itin> {
52 let Inst{14-15} = bicode;
59 class DForm_base<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
61 : I<opcode, OL, asmstr, itin> {
62 let Pattern = pattern;
72 class DForm_1<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
73 : I<opcode, OL, asmstr, itin> {
83 class DForm_2<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
85 : DForm_base<opcode, OL, asmstr, itin, pattern>;
87 class DForm_2_r0<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
89 : I<opcode, OL, asmstr, itin> {
93 let Pattern = pattern;
100 // Currently we make the use/def reg distinction in ISel, not tablegen
101 class DForm_3<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
102 : DForm_1<opcode, OL, asmstr, itin>;
104 class DForm_4<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
106 : I<opcode, OL, asmstr, itin> {
111 let Pattern = pattern;
118 class DForm_4_zero<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
119 : DForm_1<opcode, OL, asmstr, itin> {
125 class DForm_5<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
126 : I<opcode, OL, asmstr, itin> {
135 let Inst{11-15} = RA;
139 class DForm_5_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
140 : DForm_5<opcode, OL, asmstr, itin> {
144 class DForm_6<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
145 : DForm_5<opcode, OL, asmstr, itin>;
147 class DForm_6_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
148 : DForm_6<opcode, OL, asmstr, itin> {
152 class DForm_8<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
153 : DForm_1<opcode, OL, asmstr, itin> {
156 class DForm_9<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
157 : DForm_1<opcode, OL, asmstr, itin> {
161 class DSForm_1<bits<6> opcode, bits<2> xo, dag OL, string asmstr,
163 : I<opcode, OL, asmstr, itin> {
168 let Inst{6-10} = RST;
169 let Inst{11-15} = RA;
170 let Inst{16-29} = DS;
171 let Inst{30-31} = xo;
174 class DSForm_2<bits<6> opcode, bits<2> xo, dag OL, string asmstr,
176 : DSForm_1<opcode, xo, OL, asmstr, itin>;
179 class XForm_base_r3xo<bits<6> opcode, bits<10> xo,
180 dag OL, string asmstr, InstrItinClass itin>
181 : I<opcode, OL, asmstr, itin> {
186 bit RC = 0; // set by isDOT
188 let Inst{6-10} = RST;
191 let Inst{21-30} = xo;
195 // This is the same as XForm_base_r3xo, but the first two operands are swapped
196 // when code is emitted.
197 class XForm_base_r3xo_swapped
198 <bits<6> opcode, bits<10> xo, dag OL, string asmstr,
200 : I<opcode, OL, asmstr, itin> {
205 bit RC = 0; // set by isDOT
207 let Inst{6-10} = RST;
210 let Inst{21-30} = xo;
215 class XForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
217 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin>;
219 class XForm_6<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
220 InstrItinClass itin, list<dag> pattern>
221 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
222 let Pattern = pattern;
225 class XForm_8<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
227 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin>;
229 class XForm_10<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
230 InstrItinClass itin, list<dag> pattern>
231 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
232 let Pattern = pattern;
235 class XForm_11<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
236 InstrItinClass itin, list<dag> pattern>
237 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
239 let Pattern = pattern;
242 class XForm_16<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
244 : I<opcode, OL, asmstr, itin> {
253 let Inst{11-15} = RA;
254 let Inst{16-20} = RB;
255 let Inst{21-30} = xo;
259 class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
261 : XForm_16<opcode, xo, OL, asmstr, itin> {
265 class XForm_17<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
267 : I<opcode, OL, asmstr, itin> {
274 let Inst{11-15} = FRA;
275 let Inst{16-20} = FRB;
276 let Inst{21-30} = xo;
280 class XForm_25<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
282 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin> {
285 class XForm_26<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
286 InstrItinClass itin, list<dag> pattern>
287 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin> {
289 let Pattern = pattern;
292 class XForm_28<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
294 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin> {
298 class XLForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
300 : I<opcode, OL, asmstr, itin> {
309 let Inst{9-10} = CRDb;
310 let Inst{11-13} = CRA;
311 let Inst{14-15} = CRAb;
312 let Inst{16-18} = CRB;
313 let Inst{19-20} = CRBb;
314 let Inst{21-30} = xo;
318 class XLForm_2<bits<6> opcode, bits<10> xo, bit lk, dag OL, string asmstr,
320 : I<opcode, OL, asmstr, itin> {
326 let Inst{11-15} = BI;
328 let Inst{19-20} = BH;
329 let Inst{21-30} = xo;
333 class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo, bits<5> bi, bit lk,
334 dag OL, string asmstr, InstrItinClass itin>
335 : XLForm_2<opcode, xo, lk, OL, asmstr, itin> {
341 class XLForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
343 : I<opcode, OL, asmstr, itin> {
349 let Inst{11-13} = BFA;
352 let Inst{21-30} = xo;
357 class XFXForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
359 : I<opcode, OL, asmstr, itin> {
364 let Inst{11-20} = SPR;
365 let Inst{21-30} = xo;
369 class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
370 dag OL, string asmstr, InstrItinClass itin>
371 : XFXForm_1<opcode, xo, OL, asmstr, itin> {
375 class XFXForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
377 : I<opcode, OL, asmstr, itin> {
382 let Inst{21-30} = xo;
386 class XFXForm_5<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
388 : I<opcode, OL, asmstr, itin> {
394 let Inst{12-19} = FXM;
396 let Inst{21-30} = xo;
400 class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
402 : I<opcode, OL, asmstr, itin> {
408 let Inst{12-19} = FXM;
410 let Inst{21-30} = xo;
415 class XFXForm_7<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
417 : XFXForm_1<opcode, xo, OL, asmstr, itin>;
419 class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
420 dag OL, string asmstr, InstrItinClass itin>
421 : XFXForm_7<opcode, xo, OL, asmstr, itin> {
426 class XSForm_1<bits<6> opcode, bits<9> xo, dag OL, string asmstr,
428 : I<opcode, OL, asmstr, itin> {
433 bit RC = 0; // set by isDOT
437 let Inst{16-20} = SH{1-5};
438 let Inst{21-29} = xo;
439 let Inst{30} = SH{0};
444 class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OL, string asmstr,
445 InstrItinClass itin, list<dag> pattern>
446 : I<opcode, OL, asmstr, itin> {
451 let Pattern = pattern;
453 bit RC = 0; // set by isDOT
456 let Inst{11-15} = RA;
457 let Inst{16-20} = RB;
459 let Inst{22-30} = xo;
463 class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
464 dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
465 : XOForm_1<opcode, xo, oe, OL, asmstr, itin, pattern> {
470 class AForm_1<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
471 InstrItinClass itin, list<dag> pattern>
472 : I<opcode, OL, asmstr, itin> {
478 let Pattern = pattern;
480 bit RC = 0; // set by isDOT
482 let Inst{6-10} = FRT;
483 let Inst{11-15} = FRA;
484 let Inst{16-20} = FRB;
485 let Inst{21-25} = FRC;
486 let Inst{26-30} = xo;
490 class AForm_2<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
491 InstrItinClass itin, list<dag> pattern>
492 : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
496 class AForm_3<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
497 InstrItinClass itin, list<dag> pattern>
498 : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
503 class MForm_1<bits<6> opcode, dag OL, string asmstr,
504 InstrItinClass itin, list<dag> pattern>
505 : I<opcode, OL, asmstr, itin> {
512 let Pattern = pattern;
514 bit RC = 0; // set by isDOT
517 let Inst{11-15} = RA;
518 let Inst{16-20} = RB;
519 let Inst{21-25} = MB;
520 let Inst{26-30} = ME;
524 class MForm_2<bits<6> opcode, dag OL, string asmstr,
525 InstrItinClass itin, list<dag> pattern>
526 : MForm_1<opcode, OL, asmstr, itin, pattern> {
530 class MDForm_1<bits<6> opcode, bits<3> xo, dag OL, string asmstr,
531 InstrItinClass itin, list<dag> pattern>
532 : I<opcode, OL, asmstr, itin> {
538 let Pattern = pattern;
540 bit RC = 0; // set by isDOT
543 let Inst{11-15} = RA;
544 let Inst{16-20} = SH{1-5};
545 let Inst{21-26} = MBE;
546 let Inst{27-29} = xo;
547 let Inst{30} = SH{0};
552 class VAForm_1<bits<6> xo, dag OL, string asmstr,
553 InstrItinClass itin, list<dag> pattern>
554 : I<4, OL, asmstr, itin> {
560 let Pattern = pattern;
563 let Inst{11-15} = VA;
564 let Inst{16-20} = VB;
565 let Inst{21-25} = VC;
566 let Inst{26-31} = xo;
570 class VXForm_1<bits<11> xo, dag OL, string asmstr,
571 InstrItinClass itin, list<dag> pattern>
572 : I<4, OL, asmstr, itin> {
577 let Pattern = pattern;
580 let Inst{11-15} = VA;
581 let Inst{16-20} = VB;
582 let Inst{21-31} = xo;
586 class VXRForm_1<bits<10> xo, bit rc, dag OL, string asmstr,
587 InstrItinClass itin, list<dag> pattern>
588 : I<4, OL, asmstr, itin> {
593 let Pattern = pattern;
596 let Inst{11-15} = VA;
597 let Inst{16-20} = VB;
599 let Inst{22-31} = xo;
602 //===----------------------------------------------------------------------===//
603 def NoItin : InstrItinClass;
604 class Pseudo<dag OL, string asmstr, list<dag> pattern>
605 : I<0, OL, asmstr, NoItin> {
608 let Pattern = pattern;