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, bits<5> bo, bits<2> bicode, dag OL,
64 string asmstr, InstrItinClass itin>
65 : I<opcode, OL, asmstr, itin> {
71 let Inst{14-15} = bicode;
78 class DForm_base<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
80 : I<opcode, OL, asmstr, itin> {
85 let Pattern = pattern;
92 class DForm_1<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
94 : I<opcode, OL, asmstr, itin> {
99 let Pattern = pattern;
106 class DForm_2<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
108 : DForm_base<opcode, OL, asmstr, itin, pattern>;
110 class DForm_2_r0<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
112 : I<opcode, OL, asmstr, itin> {
116 let Pattern = pattern;
123 // Currently we make the use/def reg distinction in ISel, not tablegen
124 class DForm_3<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
126 : DForm_1<opcode, OL, asmstr, itin, pattern>;
128 class DForm_4<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
130 : I<opcode, OL, asmstr, itin> {
135 let Pattern = pattern;
142 class DForm_4_zero<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
144 : DForm_1<opcode, OL, asmstr, itin, pattern> {
150 class DForm_5<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
151 : I<opcode, OL, asmstr, itin> {
160 let Inst{11-15} = RA;
164 class DForm_5_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
165 : DForm_5<opcode, OL, asmstr, itin> {
169 class DForm_6<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
170 : DForm_5<opcode, OL, asmstr, itin>;
172 class DForm_6_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
173 : DForm_6<opcode, OL, asmstr, itin> {
177 class DForm_8<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
179 : DForm_1<opcode, OL, asmstr, itin, pattern> {
182 class DForm_9<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
184 : DForm_1<opcode, OL, asmstr, itin, pattern> {
188 class DSForm_1<bits<6> opcode, bits<2> xo, dag OL, string asmstr,
189 InstrItinClass itin, list<dag> pattern>
190 : I<opcode, OL, asmstr, itin> {
195 let Pattern = pattern;
197 let Inst{6-10} = RST;
198 let Inst{11-15} = RA;
199 let Inst{16-29} = DS;
200 let Inst{30-31} = xo;
203 class DSForm_2<bits<6> opcode, bits<2> xo, dag OL, string asmstr,
204 InstrItinClass itin, list<dag> pattern>
205 : DSForm_1<opcode, xo, OL, asmstr, itin, pattern>;
208 class XForm_base_r3xo<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
209 InstrItinClass itin, list<dag> pattern>
210 : I<opcode, OL, asmstr, itin> {
215 let Pattern = pattern;
217 bit RC = 0; // set by isDOT
219 let Inst{6-10} = RST;
222 let Inst{21-30} = xo;
226 // This is the same as XForm_base_r3xo, but the first two operands are swapped
227 // when code is emitted.
228 class XForm_base_r3xo_swapped
229 <bits<6> opcode, bits<10> xo, dag OL, string asmstr,
231 : I<opcode, OL, asmstr, itin> {
236 bit RC = 0; // set by isDOT
238 let Inst{6-10} = RST;
241 let Inst{21-30} = xo;
246 class XForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
247 InstrItinClass itin, list<dag> pattern>
248 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern>;
250 class XForm_6<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
251 InstrItinClass itin, list<dag> pattern>
252 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
253 let Pattern = pattern;
256 class XForm_8<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
257 InstrItinClass itin, list<dag> pattern>
258 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern>;
260 class XForm_10<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
261 InstrItinClass itin, list<dag> pattern>
262 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
263 let Pattern = pattern;
266 class XForm_11<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
267 InstrItinClass itin, list<dag> pattern>
268 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
270 let Pattern = pattern;
273 class XForm_16<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
275 : I<opcode, OL, asmstr, itin> {
284 let Inst{11-15} = RA;
285 let Inst{16-20} = RB;
286 let Inst{21-30} = xo;
290 class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
292 : XForm_16<opcode, xo, OL, asmstr, itin> {
296 class XForm_17<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
298 : I<opcode, OL, asmstr, itin> {
305 let Inst{11-15} = FRA;
306 let Inst{16-20} = FRB;
307 let Inst{21-30} = xo;
311 class XForm_25<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
312 InstrItinClass itin, list<dag> pattern>
313 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
316 class XForm_26<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
317 InstrItinClass itin, list<dag> pattern>
318 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
322 class XForm_28<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
323 InstrItinClass itin, list<dag> pattern>
324 : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
327 // DCB_Form - Form X instruction, used for dcb* instructions.
328 class DCB_Form<bits<10> xo, bits<5> immfield, dag OL, string asmstr,
329 InstrItinClass itin, list<dag> pattern>
330 : I<31, OL, asmstr, itin> {
334 let Pattern = pattern;
336 let Inst{6-10} = immfield;
339 let Inst{21-30} = xo;
344 // DSS_Form - Form X instruction, used for altivec dss* instructions.
345 class DSS_Form<bits<10> xo, dag OL, string asmstr,
346 InstrItinClass itin, list<dag> pattern>
347 : I<31, OL, asmstr, itin> {
353 let Pattern = pattern;
357 let Inst{9-10} = STRM;
360 let Inst{21-30} = xo;
365 class XLForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
367 : I<opcode, OL, asmstr, itin> {
376 let Inst{9-10} = CRDb;
377 let Inst{11-13} = CRA;
378 let Inst{14-15} = CRAb;
379 let Inst{16-18} = CRB;
380 let Inst{19-20} = CRBb;
381 let Inst{21-30} = xo;
385 class XLForm_2<bits<6> opcode, bits<10> xo, bit lk, dag OL, string asmstr,
386 InstrItinClass itin, list<dag> pattern>
387 : I<opcode, OL, asmstr, itin> {
392 let Pattern = pattern;
395 let Inst{11-15} = BI;
397 let Inst{19-20} = BH;
398 let Inst{21-30} = xo;
402 class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo, bits<5> bi, bit lk,
403 dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
404 : XLForm_2<opcode, xo, lk, OL, asmstr, itin, pattern> {
410 class XLForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
412 : I<opcode, OL, asmstr, itin> {
418 let Inst{11-13} = BFA;
421 let Inst{21-30} = xo;
426 class XFXForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
428 : I<opcode, OL, asmstr, itin> {
433 let Inst{11} = SPR{4};
434 let Inst{12} = SPR{3};
435 let Inst{13} = SPR{2};
436 let Inst{14} = SPR{1};
437 let Inst{15} = SPR{0};
438 let Inst{16} = SPR{9};
439 let Inst{17} = SPR{8};
440 let Inst{18} = SPR{7};
441 let Inst{19} = SPR{6};
442 let Inst{20} = SPR{5};
443 let Inst{21-30} = xo;
447 class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
448 dag OL, string asmstr, InstrItinClass itin>
449 : XFXForm_1<opcode, xo, OL, asmstr, itin> {
453 class XFXForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
455 : I<opcode, OL, asmstr, itin> {
460 let Inst{21-30} = xo;
464 class XFXForm_5<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
466 : I<opcode, OL, asmstr, itin> {
472 let Inst{12-19} = FXM;
474 let Inst{21-30} = xo;
478 class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
480 : I<opcode, OL, asmstr, itin> {
486 let Inst{12-19} = FXM;
488 let Inst{21-30} = xo;
492 class XFXForm_7<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
494 : XFXForm_1<opcode, xo, OL, asmstr, itin>;
496 class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
497 dag OL, string asmstr, InstrItinClass itin>
498 : XFXForm_7<opcode, xo, OL, asmstr, itin> {
503 class XSForm_1<bits<6> opcode, bits<9> xo, dag OL, string asmstr,
505 : I<opcode, OL, asmstr, itin> {
510 bit RC = 0; // set by isDOT
514 let Inst{16-20} = SH{1-5};
515 let Inst{21-29} = xo;
516 let Inst{30} = SH{0};
521 class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OL, string asmstr,
522 InstrItinClass itin, list<dag> pattern>
523 : I<opcode, OL, asmstr, itin> {
528 let Pattern = pattern;
530 bit RC = 0; // set by isDOT
533 let Inst{11-15} = RA;
534 let Inst{16-20} = RB;
536 let Inst{22-30} = xo;
540 class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
541 dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
542 : XOForm_1<opcode, xo, oe, OL, asmstr, itin, pattern> {
547 class AForm_1<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
548 InstrItinClass itin, list<dag> pattern>
549 : I<opcode, OL, asmstr, itin> {
555 let Pattern = pattern;
557 bit RC = 0; // set by isDOT
559 let Inst{6-10} = FRT;
560 let Inst{11-15} = FRA;
561 let Inst{16-20} = FRB;
562 let Inst{21-25} = FRC;
563 let Inst{26-30} = xo;
567 class AForm_2<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
568 InstrItinClass itin, list<dag> pattern>
569 : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
573 class AForm_3<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
574 InstrItinClass itin, list<dag> pattern>
575 : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
580 class MForm_1<bits<6> opcode, dag OL, string asmstr,
581 InstrItinClass itin, list<dag> pattern>
582 : I<opcode, OL, asmstr, itin> {
589 let Pattern = pattern;
591 bit RC = 0; // set by isDOT
594 let Inst{11-15} = RA;
595 let Inst{16-20} = RB;
596 let Inst{21-25} = MB;
597 let Inst{26-30} = ME;
601 class MForm_2<bits<6> opcode, dag OL, string asmstr,
602 InstrItinClass itin, list<dag> pattern>
603 : MForm_1<opcode, OL, asmstr, itin, pattern> {
607 class MDForm_1<bits<6> opcode, bits<3> xo, dag OL, string asmstr,
608 InstrItinClass itin, list<dag> pattern>
609 : I<opcode, OL, asmstr, itin> {
615 let Pattern = pattern;
617 bit RC = 0; // set by isDOT
620 let Inst{11-15} = RA;
621 let Inst{16-20} = SH{1-5};
622 let Inst{21-26} = MBE;
623 let Inst{27-29} = xo;
624 let Inst{30} = SH{0};
632 // VAForm_1 - DACB ordering.
633 class VAForm_1<bits<6> xo, dag OL, string asmstr,
634 InstrItinClass itin, list<dag> pattern>
635 : I<4, OL, asmstr, itin> {
641 let Pattern = pattern;
644 let Inst{11-15} = VA;
645 let Inst{16-20} = VB;
646 let Inst{21-25} = VC;
647 let Inst{26-31} = xo;
650 // VAForm_1a - DABC ordering.
651 class VAForm_1a<bits<6> xo, dag OL, string asmstr,
652 InstrItinClass itin, list<dag> pattern>
653 : I<4, OL, asmstr, itin> {
659 let Pattern = pattern;
662 let Inst{11-15} = VA;
663 let Inst{16-20} = VB;
664 let Inst{21-25} = VC;
665 let Inst{26-31} = xo;
668 class VAForm_2<bits<6> xo, dag OL, string asmstr,
669 InstrItinClass itin, list<dag> pattern>
670 : I<4, OL, asmstr, itin> {
676 let Pattern = pattern;
679 let Inst{11-15} = VA;
680 let Inst{16-20} = VB;
682 let Inst{22-25} = SH;
683 let Inst{26-31} = xo;
687 class VXForm_1<bits<11> xo, dag OL, string asmstr,
688 InstrItinClass itin, list<dag> pattern>
689 : I<4, OL, asmstr, itin> {
694 let Pattern = pattern;
697 let Inst{11-15} = VA;
698 let Inst{16-20} = VB;
699 let Inst{21-31} = xo;
702 class VXForm_setzero<bits<11> xo, dag OL, string asmstr,
703 InstrItinClass itin, list<dag> pattern>
704 : VXForm_1<xo, OL, asmstr, itin, pattern> {
710 class VXForm_2<bits<11> xo, dag OL, string asmstr,
711 InstrItinClass itin, list<dag> pattern>
712 : I<4, OL, asmstr, itin> {
716 let Pattern = pattern;
720 let Inst{16-20} = VB;
721 let Inst{21-31} = xo;
724 class VXForm_3<bits<11> xo, dag OL, string asmstr,
725 InstrItinClass itin, list<dag> pattern>
726 : I<4, OL, asmstr, itin> {
730 let Pattern = pattern;
733 let Inst{11-15} = IMM;
735 let Inst{21-31} = xo;
738 /// VXForm_4 - VX instructions with "VD,0,0" register fields, like mfvscr.
739 class VXForm_4<bits<11> xo, dag OL, string asmstr,
740 InstrItinClass itin, list<dag> pattern>
741 : I<4, OL, asmstr, itin> {
744 let Pattern = pattern;
749 let Inst{21-31} = xo;
752 /// VXForm_5 - VX instructions with "0,0,VB" register fields, like mtvscr.
753 class VXForm_5<bits<11> xo, dag OL, string asmstr,
754 InstrItinClass itin, list<dag> pattern>
755 : I<4, OL, asmstr, itin> {
758 let Pattern = pattern;
762 let Inst{16-20} = VB;
763 let Inst{21-31} = xo;
767 class VXRForm_1<bits<10> xo, dag OL, string asmstr,
768 InstrItinClass itin, list<dag> pattern>
769 : I<4, OL, asmstr, itin> {
775 let Pattern = pattern;
778 let Inst{11-15} = VA;
779 let Inst{16-20} = VB;
781 let Inst{22-31} = xo;
784 //===----------------------------------------------------------------------===//
785 class Pseudo<dag OL, string asmstr, list<dag> pattern>
786 : I<0, OL, asmstr, NoItinerary> {
788 let Pattern = pattern;