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 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
12 // PowerPC instruction formats
14 class I<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
18 bit PPC64 = 0; // Default value, override with isPPC64
21 let Namespace = "PPC";
22 let Inst{0-5} = opcode;
24 let AsmString = asmstr;
27 /// These fields correspond to the fields in PPCInstrInfo.h. Any changes to
28 /// these must be reflected there! See comments there for what these are.
29 bits<1> PPC970_First = 0;
30 bits<1> PPC970_Single = 0;
31 bits<1> PPC970_Cracked = 0;
32 bits<3> PPC970_Unit = 0;
35 class PPC970_DGroup_First { bits<1> PPC970_First = 1; }
36 class PPC970_DGroup_Single { bits<1> PPC970_Single = 1; }
37 class PPC970_DGroup_Cracked { bits<1> PPC970_Cracked = 1; }
38 class PPC970_MicroCode;
40 class PPC970_Unit_Pseudo { bits<3> PPC970_Unit = 0; }
41 class PPC970_Unit_FXU { bits<3> PPC970_Unit = 1; }
42 class PPC970_Unit_LSU { bits<3> PPC970_Unit = 2; }
43 class PPC970_Unit_FPU { bits<3> PPC970_Unit = 3; }
44 class PPC970_Unit_CRU { bits<3> PPC970_Unit = 4; }
45 class PPC970_Unit_VALU { bits<3> PPC970_Unit = 5; }
46 class PPC970_Unit_VPERM { bits<3> PPC970_Unit = 6; }
47 class PPC970_Unit_BRU { bits<3> PPC970_Unit = 7; }
51 class IForm<bits<6> opcode, bit aa, bit lk, dag OL, string asmstr,
52 InstrItinClass itin, list<dag> pattern>
53 : I<opcode, OL, asmstr, itin> {
54 let Pattern = pattern;
63 class BForm<bits<6> opcode, bit aa, bit lk, dag OL, string asmstr>
64 : I<opcode, OL, asmstr, BrB> {
65 bits<7> BIBO; // 2 bits of BI and 5 bits of BO.
70 let BI{0-1} = BIBO{5-6};
71 let BI{2-4} = CR{0-2};
73 let Inst{6-10} = BIBO{4-0};
82 class DForm_base<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
84 : I<opcode, OL, asmstr, itin> {
89 let Pattern = pattern;
96 class DForm_1<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
98 : I<opcode, OL, asmstr, itin> {
103 let Pattern = pattern;
110 class DForm_2<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
112 : DForm_base<opcode, OL, asmstr, itin, pattern>;
114 class DForm_2_r0<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
116 : I<opcode, OL, asmstr, itin> {
120 let Pattern = pattern;
127 class DForm_4<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
129 : I<opcode, OL, asmstr, itin> {
134 let Pattern = pattern;
141 class DForm_4_zero<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
143 : DForm_1<opcode, OL, asmstr, itin, pattern> {
149 class DForm_5<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
150 : I<opcode, OL, asmstr, itin> {
159 let Inst{11-15} = RA;
163 class DForm_5_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
164 : DForm_5<opcode, OL, asmstr, itin> {
168 class DForm_6<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
169 : DForm_5<opcode, OL, asmstr, itin>;
171 class DForm_6_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
172 : DForm_6<opcode, OL, asmstr, itin> {
178 class DSForm_1<bits<6> opcode, bits<2> xo, dag OL, string asmstr,
179 InstrItinClass itin, list<dag> pattern>
180 : I<opcode, OL, asmstr, itin> {
185 let Pattern = pattern;
187 let Inst{6-10} = RST;
188 let Inst{11-15} = RA;
189 let Inst{16-29} = DS;
190 let Inst{30-31} = xo;
194 class XForm_base_r3xo<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
195 InstrItinClass itin, list<dag> pattern>
196 : I<opcode, OL, asmstr, itin> {
201 let Pattern = pattern;
203 bit RC = 0; // set by isDOT
205 let Inst{6-10} = RST;
208 let Inst{21-30} = xo;
212 // This is the same as XForm_base_r3xo, but the first two operands are swapped
213 // when code is emitted.
214 class XForm_base_r3xo_swapped
215 <bits<6> opcode, bits<10> xo, dag OL, string asmstr,
217 : I<opcode, OL, asmstr, itin> {
222 bit RC = 0; // set by isDOT
224 let Inst{6-10} = RST;
227 let Inst{21-30} = xo;
232 class XForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
233 InstrItinClass itin, list<dag> pattern>
234 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern>;
236 class XForm_6<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
237 InstrItinClass itin, list<dag> pattern>
238 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
239 let Pattern = pattern;
242 class XForm_8<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
243 InstrItinClass itin, list<dag> pattern>
244 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern>;
246 class XForm_10<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
247 InstrItinClass itin, list<dag> pattern>
248 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
249 let Pattern = pattern;
252 class XForm_11<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
253 InstrItinClass itin, list<dag> pattern>
254 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
256 let Pattern = pattern;
259 class XForm_16<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
261 : I<opcode, OL, asmstr, itin> {
270 let Inst{11-15} = RA;
271 let Inst{16-20} = RB;
272 let Inst{21-30} = xo;
276 class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
278 : XForm_16<opcode, xo, OL, asmstr, itin> {
282 class XForm_17<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
284 : I<opcode, OL, asmstr, itin> {
291 let Inst{11-15} = FRA;
292 let Inst{16-20} = FRB;
293 let Inst{21-30} = xo;
297 class XForm_25<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
298 InstrItinClass itin, list<dag> pattern>
299 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
302 class XForm_26<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
303 InstrItinClass itin, list<dag> pattern>
304 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
308 class XForm_28<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
309 InstrItinClass itin, list<dag> pattern>
310 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
313 // DCB_Form - Form X instruction, used for dcb* instructions.
314 class DCB_Form<bits<10> xo, bits<5> immfield, dag OL, string asmstr,
315 InstrItinClass itin, list<dag> pattern>
316 : I<31, OL, asmstr, itin> {
320 let Pattern = pattern;
322 let Inst{6-10} = immfield;
325 let Inst{21-30} = xo;
330 // DSS_Form - Form X instruction, used for altivec dss* instructions.
331 class DSS_Form<bits<10> xo, dag OL, string asmstr,
332 InstrItinClass itin, list<dag> pattern>
333 : I<31, OL, asmstr, itin> {
339 let Pattern = pattern;
343 let Inst{9-10} = STRM;
346 let Inst{21-30} = xo;
351 class XLForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
352 InstrItinClass itin, list<dag> pattern>
353 : I<opcode, OL, asmstr, itin> {
358 let Pattern = pattern;
360 let Inst{6-10} = CRD;
361 let Inst{11-15} = CRA;
362 let Inst{16-20} = CRB;
363 let Inst{21-30} = xo;
367 class XLForm_1_ext<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
368 InstrItinClass itin, list<dag> pattern>
369 : I<opcode, OL, asmstr, itin> {
372 let Pattern = pattern;
374 let Inst{6-10} = CRD;
375 let Inst{11-15} = CRD;
376 let Inst{16-20} = CRD;
377 let Inst{21-30} = xo;
381 class XLForm_2<bits<6> opcode, bits<10> xo, bit lk, dag OL, string asmstr,
382 InstrItinClass itin, list<dag> pattern>
383 : I<opcode, OL, asmstr, itin> {
388 let Pattern = pattern;
391 let Inst{11-15} = BI;
393 let Inst{19-20} = BH;
394 let Inst{21-30} = xo;
398 class XLForm_2_br<bits<6> opcode, bits<10> xo, bit lk,
399 dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
400 : XLForm_2<opcode, xo, lk, OL, asmstr, itin, pattern> {
401 bits<7> BIBO; // 2 bits of BI and 5 bits of BO.
405 let BI{0-1} = BIBO{0-1};
411 class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo, bits<5> bi, bit lk,
412 dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
413 : XLForm_2<opcode, xo, lk, OL, asmstr, itin, pattern> {
419 class XLForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
421 : I<opcode, OL, asmstr, itin> {
427 let Inst{11-13} = BFA;
430 let Inst{21-30} = xo;
435 class XFXForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
437 : I<opcode, OL, asmstr, itin> {
442 let Inst{11} = SPR{4};
443 let Inst{12} = SPR{3};
444 let Inst{13} = SPR{2};
445 let Inst{14} = SPR{1};
446 let Inst{15} = SPR{0};
447 let Inst{16} = SPR{9};
448 let Inst{17} = SPR{8};
449 let Inst{18} = SPR{7};
450 let Inst{19} = SPR{6};
451 let Inst{20} = SPR{5};
452 let Inst{21-30} = xo;
456 class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
457 dag OL, string asmstr, InstrItinClass itin>
458 : XFXForm_1<opcode, xo, OL, asmstr, itin> {
462 class XFXForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
464 : I<opcode, OL, asmstr, itin> {
469 let Inst{21-30} = xo;
473 class XFXForm_5<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
475 : I<opcode, OL, asmstr, itin> {
481 let Inst{12-19} = FXM;
483 let Inst{21-30} = xo;
487 class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
489 : I<opcode, OL, asmstr, itin> {
495 let Inst{12-19} = FXM;
497 let Inst{21-30} = xo;
501 class XFXForm_7<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
503 : XFXForm_1<opcode, xo, OL, asmstr, itin>;
505 class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
506 dag OL, string asmstr, InstrItinClass itin>
507 : XFXForm_7<opcode, xo, OL, asmstr, itin> {
511 // 1.7.10 XS-Form - SRADI.
512 class XSForm_1<bits<6> opcode, bits<9> xo, dag OL, string asmstr,
513 InstrItinClass itin, list<dag> pattern>
514 : I<opcode, OL, asmstr, itin> {
519 bit RC = 0; // set by isDOT
520 let Pattern = pattern;
524 let Inst{16-20} = SH{4,3,2,1,0};
525 let Inst{21-29} = xo;
526 let Inst{30} = SH{5};
531 class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OL, string asmstr,
532 InstrItinClass itin, list<dag> pattern>
533 : 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} = RB;
546 let Inst{22-30} = xo;
550 class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
551 dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
552 : XOForm_1<opcode, xo, oe, OL, asmstr, itin, pattern> {
557 class AForm_1<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
558 InstrItinClass itin, list<dag> pattern>
559 : I<opcode, OL, asmstr, itin> {
565 let Pattern = pattern;
567 bit RC = 0; // set by isDOT
569 let Inst{6-10} = FRT;
570 let Inst{11-15} = FRA;
571 let Inst{16-20} = FRB;
572 let Inst{21-25} = FRC;
573 let Inst{26-30} = xo;
577 class AForm_2<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
578 InstrItinClass itin, list<dag> pattern>
579 : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
583 class AForm_3<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
584 InstrItinClass itin, list<dag> pattern>
585 : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
590 class MForm_1<bits<6> opcode, dag OL, string asmstr,
591 InstrItinClass itin, list<dag> pattern>
592 : I<opcode, OL, asmstr, itin> {
599 let Pattern = pattern;
601 bit RC = 0; // set by isDOT
604 let Inst{11-15} = RA;
605 let Inst{16-20} = RB;
606 let Inst{21-25} = MB;
607 let Inst{26-30} = ME;
611 class MForm_2<bits<6> opcode, dag OL, string asmstr,
612 InstrItinClass itin, list<dag> pattern>
613 : MForm_1<opcode, OL, asmstr, itin, pattern> {
617 class MDForm_1<bits<6> opcode, bits<3> xo, dag OL, string asmstr,
618 InstrItinClass itin, list<dag> pattern>
619 : I<opcode, OL, asmstr, itin> {
625 let Pattern = pattern;
627 bit RC = 0; // set by isDOT
630 let Inst{11-15} = RA;
631 let Inst{16-20} = SH{4,3,2,1,0};
632 let Inst{21-26} = MBE{4,3,2,1,0,5};
633 let Inst{27-29} = xo;
634 let Inst{30} = SH{5};
642 // VAForm_1 - DACB ordering.
643 class VAForm_1<bits<6> xo, dag OL, string asmstr,
644 InstrItinClass itin, list<dag> pattern>
645 : I<4, OL, asmstr, itin> {
651 let Pattern = pattern;
654 let Inst{11-15} = VA;
655 let Inst{16-20} = VB;
656 let Inst{21-25} = VC;
657 let Inst{26-31} = xo;
660 // VAForm_1a - DABC ordering.
661 class VAForm_1a<bits<6> xo, dag OL, string asmstr,
662 InstrItinClass itin, list<dag> pattern>
663 : I<4, OL, asmstr, itin> {
669 let Pattern = pattern;
672 let Inst{11-15} = VA;
673 let Inst{16-20} = VB;
674 let Inst{21-25} = VC;
675 let Inst{26-31} = xo;
678 class VAForm_2<bits<6> xo, dag OL, string asmstr,
679 InstrItinClass itin, list<dag> pattern>
680 : I<4, OL, asmstr, itin> {
686 let Pattern = pattern;
689 let Inst{11-15} = VA;
690 let Inst{16-20} = VB;
692 let Inst{22-25} = SH;
693 let Inst{26-31} = xo;
697 class VXForm_1<bits<11> xo, dag OL, string asmstr,
698 InstrItinClass itin, list<dag> pattern>
699 : I<4, OL, asmstr, itin> {
704 let Pattern = pattern;
707 let Inst{11-15} = VA;
708 let Inst{16-20} = VB;
709 let Inst{21-31} = xo;
712 class VXForm_setzero<bits<11> xo, dag OL, string asmstr,
713 InstrItinClass itin, list<dag> pattern>
714 : VXForm_1<xo, OL, asmstr, itin, pattern> {
720 class VXForm_2<bits<11> xo, dag OL, string asmstr,
721 InstrItinClass itin, list<dag> pattern>
722 : I<4, OL, asmstr, itin> {
726 let Pattern = pattern;
730 let Inst{16-20} = VB;
731 let Inst{21-31} = xo;
734 class VXForm_3<bits<11> xo, dag OL, string asmstr,
735 InstrItinClass itin, list<dag> pattern>
736 : I<4, OL, asmstr, itin> {
740 let Pattern = pattern;
743 let Inst{11-15} = IMM;
745 let Inst{21-31} = xo;
748 /// VXForm_4 - VX instructions with "VD,0,0" register fields, like mfvscr.
749 class VXForm_4<bits<11> xo, dag OL, string asmstr,
750 InstrItinClass itin, list<dag> pattern>
751 : I<4, OL, asmstr, itin> {
754 let Pattern = pattern;
759 let Inst{21-31} = xo;
762 /// VXForm_5 - VX instructions with "0,0,VB" register fields, like mtvscr.
763 class VXForm_5<bits<11> xo, dag OL, string asmstr,
764 InstrItinClass itin, list<dag> pattern>
765 : I<4, OL, asmstr, itin> {
768 let Pattern = pattern;
772 let Inst{16-20} = VB;
773 let Inst{21-31} = xo;
777 class VXRForm_1<bits<10> xo, dag OL, string asmstr,
778 InstrItinClass itin, list<dag> pattern>
779 : I<4, OL, asmstr, itin> {
785 let Pattern = pattern;
788 let Inst{11-15} = VA;
789 let Inst{16-20} = VB;
791 let Inst{22-31} = xo;
794 //===----------------------------------------------------------------------===//
795 class Pseudo<dag OL, string asmstr, list<dag> pattern>
796 : I<0, OL, asmstr, NoItinerary> {
798 let Pattern = pattern;