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 OOL, dag IOL, string asmstr, InstrItinClass itin>
18 bit PPC64 = 0; // Default value, override with isPPC64
21 let Namespace = "PPC";
22 let Inst{0-5} = opcode;
23 let OutOperandList = OOL;
24 let InOperandList = IOL;
25 let AsmString = asmstr;
28 /// These fields correspond to the fields in PPCInstrInfo.h. Any changes to
29 /// these must be reflected there! See comments there for what these are.
30 bits<1> PPC970_First = 0;
31 bits<1> PPC970_Single = 0;
32 bits<1> PPC970_Cracked = 0;
33 bits<3> PPC970_Unit = 0;
36 class PPC970_DGroup_First { bits<1> PPC970_First = 1; }
37 class PPC970_DGroup_Single { bits<1> PPC970_Single = 1; }
38 class PPC970_DGroup_Cracked { bits<1> PPC970_Cracked = 1; }
39 class PPC970_MicroCode;
41 class PPC970_Unit_Pseudo { bits<3> PPC970_Unit = 0; }
42 class PPC970_Unit_FXU { bits<3> PPC970_Unit = 1; }
43 class PPC970_Unit_LSU { bits<3> PPC970_Unit = 2; }
44 class PPC970_Unit_FPU { bits<3> PPC970_Unit = 3; }
45 class PPC970_Unit_CRU { bits<3> PPC970_Unit = 4; }
46 class PPC970_Unit_VALU { bits<3> PPC970_Unit = 5; }
47 class PPC970_Unit_VPERM { bits<3> PPC970_Unit = 6; }
48 class PPC970_Unit_BRU { bits<3> PPC970_Unit = 7; }
52 class IForm<bits<6> opcode, bit aa, bit lk, dag OOL, dag IOL, string asmstr,
53 InstrItinClass itin, list<dag> pattern>
54 : I<opcode, OOL, IOL, asmstr, itin> {
55 let Pattern = pattern;
64 class BForm<bits<6> opcode, bit aa, bit lk, dag OOL, dag IOL, string asmstr>
65 : I<opcode, OOL, IOL, asmstr, BrB> {
66 bits<7> BIBO; // 2 bits of BI and 5 bits of BO.
71 let BI{0-1} = BIBO{5-6};
72 let BI{2-4} = CR{0-2};
74 let Inst{6-10} = BIBO{4-0};
83 class DForm_base<bits<6> opcode, dag OOL, dag IOL, string asmstr,
84 InstrItinClass itin, list<dag> pattern>
85 : I<opcode, OOL, IOL, asmstr, itin> {
90 let Pattern = pattern;
97 class DForm_1<bits<6> opcode, dag OOL, dag IOL, string asmstr,
98 InstrItinClass itin, list<dag> pattern>
99 : I<opcode, OOL, IOL, asmstr, itin> {
104 let Pattern = pattern;
111 class DForm_2<bits<6> opcode, dag OOL, dag IOL, string asmstr,
112 InstrItinClass itin, list<dag> pattern>
113 : DForm_base<opcode, OOL, IOL, asmstr, itin, pattern>;
115 class DForm_2_r0<bits<6> opcode, dag OOL, dag IOL, string asmstr,
116 InstrItinClass itin, list<dag> pattern>
117 : I<opcode, OOL, IOL, asmstr, itin> {
121 let Pattern = pattern;
128 class DForm_4<bits<6> opcode, dag OOL, dag IOL, string asmstr,
129 InstrItinClass itin, list<dag> pattern>
130 : I<opcode, OOL, IOL, asmstr, itin> {
135 let Pattern = pattern;
142 class DForm_4_zero<bits<6> opcode, dag OOL, dag IOL, string asmstr,
143 InstrItinClass itin, list<dag> pattern>
144 : DForm_1<opcode, OOL, IOL, asmstr, itin, pattern> {
150 class DForm_5<bits<6> opcode, dag OOL, dag IOL, string asmstr,
152 : I<opcode, OOL, IOL, asmstr, itin> {
161 let Inst{11-15} = RA;
165 class DForm_5_ext<bits<6> opcode, dag OOL, dag IOL, string asmstr,
167 : DForm_5<opcode, OOL, IOL, asmstr, itin> {
171 class DForm_6<bits<6> opcode, dag OOL, dag IOL, string asmstr,
173 : DForm_5<opcode, OOL, IOL, asmstr, itin>;
175 class DForm_6_ext<bits<6> opcode, dag OOL, dag IOL, string asmstr,
177 : DForm_6<opcode, OOL, IOL, asmstr, itin> {
183 class DSForm_1<bits<6> opcode, bits<2> xo, dag OOL, dag IOL, string asmstr,
184 InstrItinClass itin, list<dag> pattern>
185 : I<opcode, OOL, IOL, asmstr, itin> {
190 let Pattern = pattern;
192 let Inst{6-10} = RST;
193 let Inst{11-15} = RA;
194 let Inst{16-29} = DS;
195 let Inst{30-31} = xo;
199 class XForm_base_r3xo<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
200 InstrItinClass itin, list<dag> pattern>
201 : I<opcode, OOL, IOL, asmstr, itin> {
206 let Pattern = pattern;
208 bit RC = 0; // set by isDOT
210 let Inst{6-10} = RST;
213 let Inst{21-30} = xo;
217 // This is the same as XForm_base_r3xo, but the first two operands are swapped
218 // when code is emitted.
219 class XForm_base_r3xo_swapped
220 <bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
222 : I<opcode, OOL, IOL, asmstr, itin> {
227 bit RC = 0; // set by isDOT
229 let Inst{6-10} = RST;
232 let Inst{21-30} = xo;
237 class XForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
238 InstrItinClass itin, list<dag> pattern>
239 : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
241 class XForm_6<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
242 InstrItinClass itin, list<dag> pattern>
243 : XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
244 let Pattern = pattern;
247 class XForm_8<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
248 InstrItinClass itin, list<dag> pattern>
249 : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern>;
251 class XForm_10<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
252 InstrItinClass itin, list<dag> pattern>
253 : XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
254 let Pattern = pattern;
257 class XForm_11<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
258 InstrItinClass itin, list<dag> pattern>
259 : XForm_base_r3xo_swapped<opcode, xo, OOL, IOL, asmstr, itin> {
261 let Pattern = pattern;
264 class XForm_16<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
266 : I<opcode, OOL, IOL, asmstr, itin> {
275 let Inst{11-15} = RA;
276 let Inst{16-20} = RB;
277 let Inst{21-30} = xo;
281 class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
283 : XForm_16<opcode, xo, OOL, IOL, asmstr, itin> {
287 class XForm_17<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
289 : I<opcode, OOL, IOL, asmstr, itin> {
296 let Inst{11-15} = FRA;
297 let Inst{16-20} = FRB;
298 let Inst{21-30} = xo;
302 class XForm_25<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
303 InstrItinClass itin, list<dag> pattern>
304 : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
307 class XForm_26<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
308 InstrItinClass itin, list<dag> pattern>
309 : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
313 class XForm_28<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
314 InstrItinClass itin, list<dag> pattern>
315 : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
318 // This is used for MFFS, MTFSB0, MTFSB1. 42 is arbitrary; this series of
319 // numbers presumably relates to some document, but I haven't found it.
320 class XForm_42<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
321 InstrItinClass itin, list<dag> pattern>
322 : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
323 let Pattern = pattern;
325 bit RC = 0; // set by isDOT
327 let Inst{6-10} = RST;
329 let Inst{21-30} = xo;
332 class XForm_43<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
333 InstrItinClass itin, list<dag> pattern>
334 : XForm_base_r3xo<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
335 let Pattern = pattern;
338 bit RC = 0; // set by isDOT
342 let Inst{21-30} = xo;
346 // DCB_Form - Form X instruction, used for dcb* instructions.
347 class DCB_Form<bits<10> xo, bits<5> immfield, dag OOL, dag IOL, string asmstr,
348 InstrItinClass itin, list<dag> pattern>
349 : I<31, OOL, IOL, asmstr, itin> {
353 let Pattern = pattern;
355 let Inst{6-10} = immfield;
358 let Inst{21-30} = xo;
363 // DSS_Form - Form X instruction, used for altivec dss* instructions.
364 class DSS_Form<bits<10> xo, dag OOL, dag IOL, string asmstr,
365 InstrItinClass itin, list<dag> pattern>
366 : I<31, OOL, IOL, asmstr, itin> {
372 let Pattern = pattern;
376 let Inst{9-10} = STRM;
379 let Inst{21-30} = xo;
384 class XLForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
385 InstrItinClass itin, list<dag> pattern>
386 : I<opcode, OOL, IOL, asmstr, itin> {
391 let Pattern = pattern;
393 let Inst{6-10} = CRD;
394 let Inst{11-15} = CRA;
395 let Inst{16-20} = CRB;
396 let Inst{21-30} = xo;
400 class XLForm_1_ext<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
401 InstrItinClass itin, list<dag> pattern>
402 : I<opcode, OOL, IOL, asmstr, itin> {
405 let Pattern = pattern;
407 let Inst{6-10} = CRD;
408 let Inst{11-15} = CRD;
409 let Inst{16-20} = CRD;
410 let Inst{21-30} = xo;
414 class XLForm_2<bits<6> opcode, bits<10> xo, bit lk, dag OOL, dag IOL, string asmstr,
415 InstrItinClass itin, list<dag> pattern>
416 : I<opcode, OOL, IOL, asmstr, itin> {
421 let Pattern = pattern;
424 let Inst{11-15} = BI;
426 let Inst{19-20} = BH;
427 let Inst{21-30} = xo;
431 class XLForm_2_br<bits<6> opcode, bits<10> xo, bit lk,
432 dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
433 : XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
434 bits<7> BIBO; // 2 bits of BI and 5 bits of BO.
438 let BI{0-1} = BIBO{0-1};
444 class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo, bits<5> bi, bit lk,
445 dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
446 : XLForm_2<opcode, xo, lk, OOL, IOL, asmstr, itin, pattern> {
452 class XLForm_3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
454 : I<opcode, OOL, IOL, asmstr, itin> {
460 let Inst{11-13} = BFA;
463 let Inst{21-30} = xo;
468 class XFXForm_1<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
470 : I<opcode, OOL, IOL, asmstr, itin> {
475 let Inst{11} = SPR{4};
476 let Inst{12} = SPR{3};
477 let Inst{13} = SPR{2};
478 let Inst{14} = SPR{1};
479 let Inst{15} = SPR{0};
480 let Inst{16} = SPR{9};
481 let Inst{17} = SPR{8};
482 let Inst{18} = SPR{7};
483 let Inst{19} = SPR{6};
484 let Inst{20} = SPR{5};
485 let Inst{21-30} = xo;
489 class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
490 dag OOL, dag IOL, string asmstr, InstrItinClass itin>
491 : XFXForm_1<opcode, xo, OOL, IOL, asmstr, itin> {
495 class XFXForm_3<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
497 : I<opcode, OOL, IOL, asmstr, itin> {
502 let Inst{21-30} = xo;
506 class XFXForm_5<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
508 : I<opcode, OOL, IOL, asmstr, itin> {
514 let Inst{12-19} = FXM;
516 let Inst{21-30} = xo;
520 class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
522 : I<opcode, OOL, IOL, asmstr, itin> {
528 let Inst{12-19} = FXM;
530 let Inst{21-30} = xo;
534 class XFXForm_7<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
536 : XFXForm_1<opcode, xo, OOL, IOL, asmstr, itin>;
538 class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
539 dag OOL, dag IOL, string asmstr, InstrItinClass itin>
540 : XFXForm_7<opcode, xo, OOL, IOL, asmstr, itin> {
545 // This is probably 1.7.9, but I don't have the reference that uses this
546 // numbering scheme...
547 class XFLForm<bits<6> opcode, bits<10> xo, dag OOL, dag IOL, string asmstr,
548 string cstr, InstrItinClass itin, list<dag>pattern>
549 : I<opcode, OOL, IOL, asmstr, itin> {
553 bit RC = 0; // set by isDOT
554 let Pattern = pattern;
555 let Constraints = cstr;
560 let Inst{16-20} = RT;
561 let Inst{21-30} = xo;
565 // 1.7.10 XS-Form - SRADI.
566 class XSForm_1<bits<6> opcode, bits<9> xo, dag OOL, dag IOL, string asmstr,
567 InstrItinClass itin, list<dag> pattern>
568 : I<opcode, OOL, IOL, asmstr, itin> {
573 bit RC = 0; // set by isDOT
574 let Pattern = pattern;
578 let Inst{16-20} = SH{4,3,2,1,0};
579 let Inst{21-29} = xo;
580 let Inst{30} = SH{5};
585 class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OOL, dag IOL, string asmstr,
586 InstrItinClass itin, list<dag> pattern>
587 : I<opcode, OOL, IOL, asmstr, itin> {
592 let Pattern = pattern;
594 bit RC = 0; // set by isDOT
597 let Inst{11-15} = RA;
598 let Inst{16-20} = RB;
600 let Inst{22-30} = xo;
604 class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
605 dag OOL, dag IOL, string asmstr, InstrItinClass itin, list<dag> pattern>
606 : XOForm_1<opcode, xo, oe, OOL, IOL, asmstr, itin, pattern> {
611 class AForm_1<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
612 InstrItinClass itin, list<dag> pattern>
613 : I<opcode, OOL, IOL, asmstr, itin> {
619 let Pattern = pattern;
621 bit RC = 0; // set by isDOT
623 let Inst{6-10} = FRT;
624 let Inst{11-15} = FRA;
625 let Inst{16-20} = FRB;
626 let Inst{21-25} = FRC;
627 let Inst{26-30} = xo;
631 class AForm_2<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
632 InstrItinClass itin, list<dag> pattern>
633 : AForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
637 class AForm_3<bits<6> opcode, bits<5> xo, dag OOL, dag IOL, string asmstr,
638 InstrItinClass itin, list<dag> pattern>
639 : AForm_1<opcode, xo, OOL, IOL, asmstr, itin, pattern> {
644 class MForm_1<bits<6> opcode, dag OOL, dag IOL, string asmstr,
645 InstrItinClass itin, list<dag> pattern>
646 : I<opcode, OOL, IOL, asmstr, itin> {
653 let Pattern = pattern;
655 bit RC = 0; // set by isDOT
658 let Inst{11-15} = RA;
659 let Inst{16-20} = RB;
660 let Inst{21-25} = MB;
661 let Inst{26-30} = ME;
665 class MForm_2<bits<6> opcode, dag OOL, dag IOL, string asmstr,
666 InstrItinClass itin, list<dag> pattern>
667 : MForm_1<opcode, OOL, IOL, asmstr, itin, pattern> {
671 class MDForm_1<bits<6> opcode, bits<3> xo, dag OOL, dag IOL, string asmstr,
672 InstrItinClass itin, list<dag> pattern>
673 : I<opcode, OOL, IOL, asmstr, itin> {
679 let Pattern = pattern;
681 bit RC = 0; // set by isDOT
684 let Inst{11-15} = RA;
685 let Inst{16-20} = SH{4,3,2,1,0};
686 let Inst{21-26} = MBE{4,3,2,1,0,5};
687 let Inst{27-29} = xo;
688 let Inst{30} = SH{5};
696 // VAForm_1 - DACB ordering.
697 class VAForm_1<bits<6> xo, dag OOL, dag IOL, string asmstr,
698 InstrItinClass itin, list<dag> pattern>
699 : I<4, OOL, IOL, asmstr, itin> {
705 let Pattern = pattern;
708 let Inst{11-15} = VA;
709 let Inst{16-20} = VB;
710 let Inst{21-25} = VC;
711 let Inst{26-31} = xo;
714 // VAForm_1a - DABC ordering.
715 class VAForm_1a<bits<6> xo, dag OOL, dag IOL, string asmstr,
716 InstrItinClass itin, list<dag> pattern>
717 : I<4, OOL, IOL, asmstr, itin> {
723 let Pattern = pattern;
726 let Inst{11-15} = VA;
727 let Inst{16-20} = VB;
728 let Inst{21-25} = VC;
729 let Inst{26-31} = xo;
732 class VAForm_2<bits<6> xo, dag OOL, dag IOL, string asmstr,
733 InstrItinClass itin, list<dag> pattern>
734 : I<4, OOL, IOL, asmstr, itin> {
740 let Pattern = pattern;
743 let Inst{11-15} = VA;
744 let Inst{16-20} = VB;
746 let Inst{22-25} = SH;
747 let Inst{26-31} = xo;
751 class VXForm_1<bits<11> xo, dag OOL, dag IOL, string asmstr,
752 InstrItinClass itin, list<dag> pattern>
753 : I<4, OOL, IOL, asmstr, itin> {
758 let Pattern = pattern;
761 let Inst{11-15} = VA;
762 let Inst{16-20} = VB;
763 let Inst{21-31} = xo;
766 class VXForm_setzero<bits<11> xo, dag OOL, dag IOL, string asmstr,
767 InstrItinClass itin, list<dag> pattern>
768 : VXForm_1<xo, OOL, IOL, asmstr, itin, pattern> {
774 class VXForm_2<bits<11> xo, dag OOL, dag IOL, string asmstr,
775 InstrItinClass itin, list<dag> pattern>
776 : I<4, OOL, IOL, asmstr, itin> {
780 let Pattern = pattern;
784 let Inst{16-20} = VB;
785 let Inst{21-31} = xo;
788 class VXForm_3<bits<11> xo, dag OOL, dag IOL, string asmstr,
789 InstrItinClass itin, list<dag> pattern>
790 : I<4, OOL, IOL, asmstr, itin> {
794 let Pattern = pattern;
797 let Inst{11-15} = IMM;
799 let Inst{21-31} = xo;
802 /// VXForm_4 - VX instructions with "VD,0,0" register fields, like mfvscr.
803 class VXForm_4<bits<11> xo, dag OOL, dag IOL, string asmstr,
804 InstrItinClass itin, list<dag> pattern>
805 : I<4, OOL, IOL, asmstr, itin> {
808 let Pattern = pattern;
813 let Inst{21-31} = xo;
816 /// VXForm_5 - VX instructions with "0,0,VB" register fields, like mtvscr.
817 class VXForm_5<bits<11> xo, dag OOL, dag IOL, string asmstr,
818 InstrItinClass itin, list<dag> pattern>
819 : I<4, OOL, IOL, asmstr, itin> {
822 let Pattern = pattern;
826 let Inst{16-20} = VB;
827 let Inst{21-31} = xo;
831 class VXRForm_1<bits<10> xo, dag OOL, dag IOL, string asmstr,
832 InstrItinClass itin, list<dag> pattern>
833 : I<4, OOL, IOL, asmstr, itin> {
839 let Pattern = pattern;
842 let Inst{11-15} = VA;
843 let Inst{16-20} = VB;
845 let Inst{22-31} = xo;
848 //===----------------------------------------------------------------------===//
849 class Pseudo<dag OOL, dag IOL, string asmstr, list<dag> pattern>
850 : I<0, OOL, IOL, asmstr, NoItinerary> {
852 let Pattern = pattern;