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,
34 InstrItinClass itin, list<dag> pattern>
35 : I<opcode, OL, asmstr, itin> {
36 let Pattern = pattern;
45 class BForm<bits<6> opcode, bit aa, bit lk, bits<5> bo, bits<2> bicode, dag OL,
46 string asmstr, InstrItinClass itin>
47 : I<opcode, OL, asmstr, itin> {
53 let Inst{14-15} = bicode;
60 class DForm_base<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
62 : I<opcode, OL, asmstr, itin> {
67 let Pattern = pattern;
74 class DForm_1<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
76 : I<opcode, OL, asmstr, itin> {
81 let Pattern = pattern;
88 class DForm_2<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
90 : DForm_base<opcode, OL, asmstr, itin, pattern>;
92 class DForm_2_r0<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
94 : I<opcode, OL, asmstr, itin> {
98 let Pattern = pattern;
105 // Currently we make the use/def reg distinction in ISel, not tablegen
106 class DForm_3<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
108 : DForm_1<opcode, OL, asmstr, itin, pattern>;
110 class DForm_4<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
112 : I<opcode, OL, asmstr, itin> {
117 let Pattern = pattern;
124 class DForm_4_zero<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
126 : DForm_1<opcode, OL, asmstr, itin, pattern> {
132 class DForm_5<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
133 : I<opcode, OL, asmstr, itin> {
142 let Inst{11-15} = RA;
146 class DForm_5_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
147 : DForm_5<opcode, OL, asmstr, itin> {
151 class DForm_6<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
152 : DForm_5<opcode, OL, asmstr, itin>;
154 class DForm_6_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
155 : DForm_6<opcode, OL, asmstr, itin> {
159 class DForm_8<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
161 : DForm_1<opcode, OL, asmstr, itin, pattern> {
164 class DForm_9<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
166 : DForm_1<opcode, OL, asmstr, itin, pattern> {
170 class DSForm_1<bits<6> opcode, bits<2> xo, dag OL, string asmstr,
171 InstrItinClass itin, list<dag> pattern>
172 : I<opcode, OL, asmstr, itin> {
177 let Pattern = pattern;
179 let Inst{6-10} = RST;
180 let Inst{11-15} = RA;
181 let Inst{16-29} = DS;
182 let Inst{30-31} = xo;
185 class DSForm_2<bits<6> opcode, bits<2> xo, dag OL, string asmstr,
186 InstrItinClass itin, list<dag> pattern>
187 : DSForm_1<opcode, xo, OL, asmstr, itin, pattern>;
190 class XForm_base_r3xo<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
191 InstrItinClass itin, list<dag> pattern>
192 : I<opcode, OL, asmstr, itin> {
197 let Pattern = pattern;
199 bit RC = 0; // set by isDOT
201 let Inst{6-10} = RST;
204 let Inst{21-30} = xo;
208 // This is the same as XForm_base_r3xo, but the first two operands are swapped
209 // when code is emitted.
210 class XForm_base_r3xo_swapped
211 <bits<6> opcode, bits<10> xo, dag OL, string asmstr,
213 : I<opcode, OL, asmstr, itin> {
218 bit RC = 0; // set by isDOT
220 let Inst{6-10} = RST;
223 let Inst{21-30} = xo;
228 class XForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
229 InstrItinClass itin, list<dag> pattern>
230 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern>;
232 class XForm_6<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
233 InstrItinClass itin, list<dag> pattern>
234 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
235 let Pattern = pattern;
238 class XForm_8<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
239 InstrItinClass itin, list<dag> pattern>
240 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern>;
242 class XForm_10<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
243 InstrItinClass itin, list<dag> pattern>
244 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
245 let Pattern = pattern;
248 class XForm_11<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
249 InstrItinClass itin, list<dag> pattern>
250 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
252 let Pattern = pattern;
255 class XForm_16<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
257 : I<opcode, OL, asmstr, itin> {
266 let Inst{11-15} = RA;
267 let Inst{16-20} = RB;
268 let Inst{21-30} = xo;
272 class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
274 : XForm_16<opcode, xo, OL, asmstr, itin> {
278 class XForm_17<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
280 : I<opcode, OL, asmstr, itin> {
287 let Inst{11-15} = FRA;
288 let Inst{16-20} = FRB;
289 let Inst{21-30} = xo;
293 class XForm_25<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
294 InstrItinClass itin, list<dag> pattern>
295 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
298 class XForm_26<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
299 InstrItinClass itin, list<dag> pattern>
300 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
304 class XForm_28<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
305 InstrItinClass itin, list<dag> pattern>
306 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
310 class XLForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
312 : I<opcode, OL, asmstr, itin> {
321 let Inst{9-10} = CRDb;
322 let Inst{11-13} = CRA;
323 let Inst{14-15} = CRAb;
324 let Inst{16-18} = CRB;
325 let Inst{19-20} = CRBb;
326 let Inst{21-30} = xo;
330 class XLForm_2<bits<6> opcode, bits<10> xo, bit lk, dag OL, string asmstr,
331 InstrItinClass itin, list<dag> pattern>
332 : I<opcode, OL, asmstr, itin> {
337 let Pattern = pattern;
340 let Inst{11-15} = BI;
342 let Inst{19-20} = BH;
343 let Inst{21-30} = xo;
347 class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo, bits<5> bi, bit lk,
348 dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
349 : XLForm_2<opcode, xo, lk, OL, asmstr, itin, pattern> {
355 class XLForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
357 : I<opcode, OL, asmstr, itin> {
363 let Inst{11-13} = BFA;
366 let Inst{21-30} = xo;
371 class XFXForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
373 : I<opcode, OL, asmstr, itin> {
378 let Inst{11} = SPR{4};
379 let Inst{12} = SPR{3};
380 let Inst{13} = SPR{2};
381 let Inst{14} = SPR{1};
382 let Inst{15} = SPR{0};
383 let Inst{16} = SPR{9};
384 let Inst{17} = SPR{8};
385 let Inst{18} = SPR{7};
386 let Inst{19} = SPR{6};
387 let Inst{20} = SPR{5};
388 let Inst{21-30} = xo;
392 class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
393 dag OL, string asmstr, InstrItinClass itin>
394 : XFXForm_1<opcode, xo, OL, asmstr, itin> {
398 class XFXForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
400 : I<opcode, OL, asmstr, itin> {
405 let Inst{21-30} = xo;
409 class XFXForm_5<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
411 : I<opcode, OL, asmstr, itin> {
417 let Inst{12-19} = FXM;
419 let Inst{21-30} = xo;
423 class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
425 : I<opcode, OL, asmstr, itin> {
431 let Inst{12-19} = FXM;
433 let Inst{21-30} = xo;
437 class XFXForm_7<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
439 : XFXForm_1<opcode, xo, OL, asmstr, itin>;
441 class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
442 dag OL, string asmstr, InstrItinClass itin>
443 : XFXForm_7<opcode, xo, OL, asmstr, itin> {
448 class XSForm_1<bits<6> opcode, bits<9> xo, dag OL, string asmstr,
450 : I<opcode, OL, asmstr, itin> {
455 bit RC = 0; // set by isDOT
459 let Inst{16-20} = SH{1-5};
460 let Inst{21-29} = xo;
461 let Inst{30} = SH{0};
466 class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OL, string asmstr,
467 InstrItinClass itin, list<dag> pattern>
468 : I<opcode, OL, asmstr, itin> {
473 let Pattern = pattern;
475 bit RC = 0; // set by isDOT
478 let Inst{11-15} = RA;
479 let Inst{16-20} = RB;
481 let Inst{22-30} = xo;
485 class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
486 dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
487 : XOForm_1<opcode, xo, oe, OL, asmstr, itin, pattern> {
492 class AForm_1<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
493 InstrItinClass itin, list<dag> pattern>
494 : I<opcode, OL, asmstr, itin> {
500 let Pattern = pattern;
502 bit RC = 0; // set by isDOT
504 let Inst{6-10} = FRT;
505 let Inst{11-15} = FRA;
506 let Inst{16-20} = FRB;
507 let Inst{21-25} = FRC;
508 let Inst{26-30} = xo;
512 class AForm_2<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
513 InstrItinClass itin, list<dag> pattern>
514 : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
518 class AForm_3<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
519 InstrItinClass itin, list<dag> pattern>
520 : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
525 class MForm_1<bits<6> opcode, dag OL, string asmstr,
526 InstrItinClass itin, list<dag> pattern>
527 : I<opcode, OL, asmstr, itin> {
534 let Pattern = pattern;
536 bit RC = 0; // set by isDOT
539 let Inst{11-15} = RA;
540 let Inst{16-20} = RB;
541 let Inst{21-25} = MB;
542 let Inst{26-30} = ME;
546 class MForm_2<bits<6> opcode, dag OL, string asmstr,
547 InstrItinClass itin, list<dag> pattern>
548 : MForm_1<opcode, OL, asmstr, itin, pattern> {
552 class MDForm_1<bits<6> opcode, bits<3> xo, dag OL, string asmstr,
553 InstrItinClass itin, list<dag> pattern>
554 : I<opcode, OL, asmstr, itin> {
560 let Pattern = pattern;
562 bit RC = 0; // set by isDOT
565 let Inst{11-15} = RA;
566 let Inst{16-20} = SH{1-5};
567 let Inst{21-26} = MBE;
568 let Inst{27-29} = xo;
569 let Inst{30} = SH{0};
574 class VAForm_1<bits<6> xo, dag OL, string asmstr,
575 InstrItinClass itin, list<dag> pattern>
576 : I<4, OL, asmstr, itin> {
582 let Pattern = pattern;
585 let Inst{11-15} = VA;
586 let Inst{16-20} = VB;
587 let Inst{21-25} = VC;
588 let Inst{26-31} = xo;
592 class VXForm_1<bits<11> xo, dag OL, string asmstr,
593 InstrItinClass itin, list<dag> pattern>
594 : I<4, OL, asmstr, itin> {
599 let Pattern = pattern;
602 let Inst{11-15} = VA;
603 let Inst{16-20} = VB;
604 let Inst{21-31} = xo;
607 class VXForm_setzero<bits<11> xo, dag OL, string asmstr,
608 InstrItinClass itin, list<dag> pattern>
609 : VXForm_1<xo, OL, asmstr, itin, pattern> {
615 class VXForm_2<bits<11> xo, dag OL, string asmstr,
616 InstrItinClass itin, list<dag> pattern>
617 : I<4, OL, asmstr, itin> {
621 let Pattern = pattern;
625 let Inst{16-20} = VB;
626 let Inst{21-31} = xo;
630 class VXRForm_1<bits<10> xo, bit rc, dag OL, string asmstr,
631 InstrItinClass itin, list<dag> pattern>
632 : I<4, OL, asmstr, itin> {
637 let Pattern = pattern;
640 let Inst{11-15} = VA;
641 let Inst{16-20} = VB;
643 let Inst{22-31} = xo;
646 //===----------------------------------------------------------------------===//
647 class Pseudo<dag OL, string asmstr, list<dag> pattern>
648 : I<0, OL, asmstr, NoItinerary> {
651 let Pattern = pattern;