1 //==- SystemZInstrFormats.td - SystemZ Instruction Formats --*- tablegen -*-==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
11 // Basic SystemZ instruction definition
12 //===----------------------------------------------------------------------===//
14 class InstSystemZ<int size, dag outs, dag ins, string asmstr,
15 list<dag> pattern> : Instruction {
16 let Namespace = "SystemZ";
18 dag OutOperandList = outs;
19 dag InOperandList = ins;
21 let Pattern = pattern;
22 let AsmString = asmstr;
24 // Some instructions come in pairs, one having a 12-bit displacement
25 // and the other having a 20-bit displacement. Both instructions in
26 // the pair have the same DispKey and their DispSizes are "12" and "20"
29 string DispSize = "none";
31 // Many register-based <INSN>R instructions have a memory-based <INSN>
32 // counterpart. OpKey uniquely identifies <INSN>, while OpType is
33 // "reg" for <INSN>R and "mem" for <INSN>.
35 string OpType = "none";
37 // Many distinct-operands instructions have older 2-operand equivalents.
38 // NumOpsKey uniquely identifies one of these 2-operand and 3-operand pairs,
39 // with NumOpsValue being "2" or "3" as appropriate.
40 string NumOpsKey = "";
41 string NumOpsValue = "none";
43 // True if this instruction is a simple D(X,B) load of a register
44 // (with no sign or zero extension).
45 bit SimpleBDXLoad = 0;
47 // True if this instruction is a simple D(X,B) store of a register
48 // (with no truncation).
49 bit SimpleBDXStore = 0;
51 // True if this instruction has a 20-bit displacement field.
52 bit Has20BitOffset = 0;
54 // True if addresses in this instruction have an index register.
57 // True if this is a 128-bit pseudo instruction that combines two 64-bit
61 // The access size of all memory operands in bytes, or 0 if not known.
62 bits<5> AccessBytes = 0;
64 // If the instruction sets CC to a useful value, this gives the mask
65 // of all possible CC results. The mask has the same form as
69 // The subset of CCValues that have the same meaning as they would after
70 // a comparison of the first operand against zero.
71 bits<4> CompareZeroCCMask = 0;
73 // True if the instruction is conditional and if the CC mask operand
74 // comes first (as for BRC, etc.).
77 // Similar, but true if the CC mask operand comes last (as for LOC, etc.).
80 // True if the instruction is the "logical" rather than "arithmetic" form,
81 // in cases where a distinction exists.
84 let TSFlags{0} = SimpleBDXLoad;
85 let TSFlags{1} = SimpleBDXStore;
86 let TSFlags{2} = Has20BitOffset;
87 let TSFlags{3} = HasIndex;
88 let TSFlags{4} = Is128Bit;
89 let TSFlags{9-5} = AccessBytes;
90 let TSFlags{13-10} = CCValues;
91 let TSFlags{17-14} = CompareZeroCCMask;
92 let TSFlags{18} = CCMaskFirst;
93 let TSFlags{19} = CCMaskLast;
94 let TSFlags{20} = IsLogical;
97 //===----------------------------------------------------------------------===//
98 // Mappings between instructions
99 //===----------------------------------------------------------------------===//
101 // Return the version of an instruction that has an unsigned 12-bit
103 def getDisp12Opcode : InstrMapping {
104 let FilterClass = "InstSystemZ";
105 let RowFields = ["DispKey"];
106 let ColFields = ["DispSize"];
108 let ValueCols = [["12"]];
111 // Return the version of an instruction that has a signed 20-bit displacement.
112 def getDisp20Opcode : InstrMapping {
113 let FilterClass = "InstSystemZ";
114 let RowFields = ["DispKey"];
115 let ColFields = ["DispSize"];
117 let ValueCols = [["20"]];
120 // Return the memory form of a register instruction.
121 def getMemOpcode : InstrMapping {
122 let FilterClass = "InstSystemZ";
123 let RowFields = ["OpKey"];
124 let ColFields = ["OpType"];
125 let KeyCol = ["reg"];
126 let ValueCols = [["mem"]];
129 // Return the 3-operand form of a 2-operand instruction.
130 def getThreeOperandOpcode : InstrMapping {
131 let FilterClass = "InstSystemZ";
132 let RowFields = ["NumOpsKey"];
133 let ColFields = ["NumOpsValue"];
135 let ValueCols = [["3"]];
138 //===----------------------------------------------------------------------===//
139 // Instruction formats
140 //===----------------------------------------------------------------------===//
142 // Formats are specified using operand field declarations of the form:
144 // bits<4> Rn : register input or output for operand n
145 // bits<m> In : immediate value of width m for operand n
146 // bits<4> BDn : address operand n, which has a base and a displacement
147 // bits<m> XBDn : address operand n, which has an index, a base and a
149 // bits<4> Xn : index register for address operand n
150 // bits<4> Mn : mode value for operand n
152 // The operand numbers ("n" in the list above) follow the architecture manual.
153 // Assembly operands sometimes have a different order; in particular, R3 often
154 // is often written between operands 1 and 2.
156 //===----------------------------------------------------------------------===//
158 class InstRI<bits<12> op, dag outs, dag ins, string asmstr, list<dag> pattern>
159 : InstSystemZ<4, outs, ins, asmstr, pattern> {
161 field bits<32> SoftFail = 0;
166 let Inst{31-24} = op{11-4};
167 let Inst{23-20} = R1;
168 let Inst{19-16} = op{3-0};
172 class InstRIEb<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
173 : InstSystemZ<6, outs, ins, asmstr, pattern> {
175 field bits<48> SoftFail = 0;
182 let Inst{47-40} = op{15-8};
183 let Inst{39-36} = R1;
184 let Inst{35-32} = R2;
185 let Inst{31-16} = RI4;
186 let Inst{15-12} = M3;
188 let Inst{7-0} = op{7-0};
191 class InstRIEc<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
192 : InstSystemZ<6, outs, ins, asmstr, pattern> {
194 field bits<48> SoftFail = 0;
201 let Inst{47-40} = op{15-8};
202 let Inst{39-36} = R1;
203 let Inst{35-32} = M3;
204 let Inst{31-16} = RI4;
206 let Inst{7-0} = op{7-0};
209 class InstRIEd<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
210 : InstSystemZ<6, outs, ins, asmstr, pattern> {
212 field bits<48> SoftFail = 0;
218 let Inst{47-40} = op{15-8};
219 let Inst{39-36} = R1;
220 let Inst{35-32} = R3;
221 let Inst{31-16} = I2;
223 let Inst{7-0} = op{7-0};
226 class InstRIEf<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
227 : InstSystemZ<6, outs, ins, asmstr, pattern> {
229 field bits<48> SoftFail = 0;
237 let Inst{47-40} = op{15-8};
238 let Inst{39-36} = R1;
239 let Inst{35-32} = R2;
240 let Inst{31-24} = I3;
241 let Inst{23-16} = I4;
243 let Inst{7-0} = op{7-0};
246 class InstRIL<bits<12> op, dag outs, dag ins, string asmstr, list<dag> pattern>
247 : InstSystemZ<6, outs, ins, asmstr, pattern> {
249 field bits<48> SoftFail = 0;
254 let Inst{47-40} = op{11-4};
255 let Inst{39-36} = R1;
256 let Inst{35-32} = op{3-0};
260 class InstRR<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern>
261 : InstSystemZ<2, outs, ins, asmstr, pattern> {
263 field bits<16> SoftFail = 0;
273 class InstRRD<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
274 : InstSystemZ<4, outs, ins, asmstr, pattern> {
276 field bits<32> SoftFail = 0;
282 let Inst{31-16} = op;
283 let Inst{15-12} = R1;
289 class InstRRE<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
290 : InstSystemZ<4, outs, ins, asmstr, pattern> {
292 field bits<32> SoftFail = 0;
297 let Inst{31-16} = op;
303 class InstRRF<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
304 : InstSystemZ<4, outs, ins, asmstr, pattern> {
306 field bits<32> SoftFail = 0;
313 let Inst{31-16} = op;
314 let Inst{15-12} = R3;
320 class InstRX<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern>
321 : InstSystemZ<4, outs, ins, asmstr, pattern> {
323 field bits<32> SoftFail = 0;
328 let Inst{31-24} = op;
329 let Inst{23-20} = R1;
330 let Inst{19-0} = XBD2;
335 class InstRXE<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
336 : InstSystemZ<6, outs, ins, asmstr, pattern> {
338 field bits<48> SoftFail = 0;
343 let Inst{47-40} = op{15-8};
344 let Inst{39-36} = R1;
345 let Inst{35-16} = XBD2;
347 let Inst{7-0} = op{7-0};
352 class InstRXF<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
353 : InstSystemZ<6, outs, ins, asmstr, pattern> {
355 field bits<48> SoftFail = 0;
361 let Inst{47-40} = op{15-8};
362 let Inst{39-36} = R3;
363 let Inst{35-16} = XBD2;
364 let Inst{15-12} = R1;
366 let Inst{7-0} = op{7-0};
371 class InstRXY<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
372 : InstSystemZ<6, outs, ins, asmstr, pattern> {
374 field bits<48> SoftFail = 0;
379 let Inst{47-40} = op{15-8};
380 let Inst{39-36} = R1;
381 let Inst{35-8} = XBD2;
382 let Inst{7-0} = op{7-0};
384 let Has20BitOffset = 1;
388 class InstRS<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern>
389 : InstSystemZ<4, outs, ins, asmstr, pattern> {
391 field bits<32> SoftFail = 0;
397 let Inst{31-24} = op;
398 let Inst{23-20} = R1;
399 let Inst{19-16} = R3;
400 let Inst{15-0} = BD2;
403 class InstRSY<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
404 : InstSystemZ<6, outs, ins, asmstr, pattern> {
406 field bits<48> SoftFail = 0;
412 let Inst{47-40} = op{15-8};
413 let Inst{39-36} = R1;
414 let Inst{35-32} = R3;
415 let Inst{31-8} = BD2;
416 let Inst{7-0} = op{7-0};
418 let Has20BitOffset = 1;
421 class InstSI<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern>
422 : InstSystemZ<4, outs, ins, asmstr, pattern> {
424 field bits<32> SoftFail = 0;
429 let Inst{31-24} = op;
430 let Inst{23-16} = I2;
431 let Inst{15-0} = BD1;
434 class InstSIL<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
435 : InstSystemZ<6, outs, ins, asmstr, pattern> {
437 field bits<48> SoftFail = 0;
442 let Inst{47-32} = op;
443 let Inst{31-16} = BD1;
447 class InstSIY<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
448 : InstSystemZ<6, outs, ins, asmstr, pattern> {
450 field bits<48> SoftFail = 0;
455 let Inst{47-40} = op{15-8};
456 let Inst{39-32} = I2;
457 let Inst{31-8} = BD1;
458 let Inst{7-0} = op{7-0};
460 let Has20BitOffset = 1;
463 class InstSS<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern>
464 : InstSystemZ<6, outs, ins, asmstr, pattern> {
466 field bits<48> SoftFail = 0;
471 let Inst{47-40} = op;
472 let Inst{39-16} = BDL1;
473 let Inst{15-0} = BD2;
476 //===----------------------------------------------------------------------===//
477 // Instruction definitions with semantics
478 //===----------------------------------------------------------------------===//
480 // These classes have the form [Cond]<Category><Format>, where <Format> is one
481 // of the formats defined above and where <Category> describes the inputs
482 // and outputs. "Cond" is used if the instruction is conditional,
483 // in which case the 4-bit condition-code mask is added as a final operand.
484 // <Category> can be one of:
487 // One register output operand and no input operands.
490 // One register output operand, one register input operand and
491 // one branch displacement. The instructions stores a modified
492 // form of the source register in the destination register and
493 // branches on the result.
496 // One register or immediate input operand and one address input operand.
497 // The instruction stores the first operand to the address.
499 // This category is used for both pure and truncating stores.
502 // One address input operand and two explicit output operands.
503 // The instruction loads a range of registers from the address,
504 // with the explicit operands giving the first and last register
505 // to load. Other loaded registers are added as implicit definitions.
508 // Two explicit input register operands and an address operand.
509 // The instruction stores a range of registers to the address,
510 // with the explicit operands giving the first and last register
511 // to store. Other stored registers are added as implicit uses.
514 // One register output operand and one input operand. The input
515 // operand may be a register, immediate or memory.
518 // One register output operand and two input operands. The first
519 // input operand is always a register and he second may be a register,
520 // immediate or memory.
523 // One register output operand and two input operands. The first
524 // input operand is a register and the second has the same form as
525 // an address (although it isn't actually used to address memory).
528 // Two input operands. The first operand is always a register,
529 // the second may be a register, immediate or memory.
532 // One register output operand and three register input operands.
535 // One output operand and three input operands. The first two
536 // operands are registers and the third is an address. The instruction
537 // both reads from and writes to the address.
540 // One output operand and five input operands. The first two operands
541 // are registers and the other three are immediates.
543 // The format determines which input operands are tied to output operands,
544 // and also determines the shape of any address operand.
546 // Multiclasses of the form <Category><Format>Pair define two instructions,
547 // one with <Category><Format> and one with <Category><Format>Y. The name
548 // of the first instruction has no suffix, the name of the second has
551 //===----------------------------------------------------------------------===//
553 class InherentRRE<string mnemonic, bits<16> opcode, RegisterOperand cls,
555 : InstRRE<opcode, (outs cls:$R1), (ins),
557 [(set cls:$R1, src)]> {
561 class BranchUnaryRI<string mnemonic, bits<12> opcode, RegisterOperand cls>
562 : InstRI<opcode, (outs cls:$R1), (ins cls:$R1src, brtarget16:$I2),
563 mnemonic##"\t$R1, $I2", []> {
565 let isTerminator = 1;
566 let Constraints = "$R1 = $R1src";
567 let DisableEncoding = "$R1src";
570 class LoadMultipleRSY<string mnemonic, bits<16> opcode, RegisterOperand cls>
571 : InstRSY<opcode, (outs cls:$R1, cls:$R3), (ins bdaddr20only:$BD2),
572 mnemonic#"\t$R1, $R3, $BD2", []> {
576 class StoreRILPC<string mnemonic, bits<12> opcode, SDPatternOperator operator,
578 : InstRIL<opcode, (outs), (ins cls:$R1, pcrel32:$I2),
579 mnemonic#"\t$R1, $I2",
580 [(operator cls:$R1, pcrel32:$I2)]> {
582 // We want PC-relative addresses to be tried ahead of BD and BDX addresses.
583 // However, BDXs have two extra operands and are therefore 6 units more
585 let AddedComplexity = 7;
588 class StoreRX<string mnemonic, bits<8> opcode, SDPatternOperator operator,
589 RegisterOperand cls, bits<5> bytes,
590 AddressingMode mode = bdxaddr12only>
591 : InstRX<opcode, (outs), (ins cls:$R1, mode:$XBD2),
592 mnemonic#"\t$R1, $XBD2",
593 [(operator cls:$R1, mode:$XBD2)]> {
594 let OpKey = mnemonic ## cls;
597 let AccessBytes = bytes;
600 class StoreRXY<string mnemonic, bits<16> opcode, SDPatternOperator operator,
601 RegisterOperand cls, bits<5> bytes,
602 AddressingMode mode = bdxaddr20only>
603 : InstRXY<opcode, (outs), (ins cls:$R1, mode:$XBD2),
604 mnemonic#"\t$R1, $XBD2",
605 [(operator cls:$R1, mode:$XBD2)]> {
606 let OpKey = mnemonic ## cls;
609 let AccessBytes = bytes;
612 multiclass StoreRXPair<string mnemonic, bits<8> rxOpcode, bits<16> rxyOpcode,
613 SDPatternOperator operator, RegisterOperand cls,
615 let DispKey = mnemonic ## #cls in {
616 let DispSize = "12" in
617 def "" : StoreRX<mnemonic, rxOpcode, operator, cls, bytes, bdxaddr12pair>;
618 let DispSize = "20" in
619 def Y : StoreRXY<mnemonic#"y", rxyOpcode, operator, cls, bytes,
624 class StoreMultipleRSY<string mnemonic, bits<16> opcode, RegisterOperand cls>
625 : InstRSY<opcode, (outs), (ins cls:$R1, cls:$R3, bdaddr20only:$BD2),
626 mnemonic#"\t$R1, $R3, $BD2", []> {
630 class StoreSI<string mnemonic, bits<8> opcode, SDPatternOperator operator,
631 Immediate imm, AddressingMode mode = bdaddr12only>
632 : InstSI<opcode, (outs), (ins mode:$BD1, imm:$I2),
633 mnemonic#"\t$BD1, $I2",
634 [(operator imm:$I2, mode:$BD1)]> {
638 class StoreSIY<string mnemonic, bits<16> opcode, SDPatternOperator operator,
639 Immediate imm, AddressingMode mode = bdaddr20only>
640 : InstSIY<opcode, (outs), (ins mode:$BD1, imm:$I2),
641 mnemonic#"\t$BD1, $I2",
642 [(operator imm:$I2, mode:$BD1)]> {
646 class StoreSIL<string mnemonic, bits<16> opcode, SDPatternOperator operator,
648 : InstSIL<opcode, (outs), (ins bdaddr12only:$BD1, imm:$I2),
649 mnemonic#"\t$BD1, $I2",
650 [(operator imm:$I2, bdaddr12only:$BD1)]> {
654 multiclass StoreSIPair<string mnemonic, bits<8> siOpcode, bits<16> siyOpcode,
655 SDPatternOperator operator, Immediate imm> {
656 let DispKey = mnemonic in {
657 let DispSize = "12" in
658 def "" : StoreSI<mnemonic, siOpcode, operator, imm, bdaddr12pair>;
659 let DispSize = "20" in
660 def Y : StoreSIY<mnemonic#"y", siyOpcode, operator, imm, bdaddr20pair>;
664 class CondStoreRSY<string mnemonic, bits<16> opcode,
665 RegisterOperand cls, bits<5> bytes,
666 AddressingMode mode = bdaddr20only>
667 : InstRSY<opcode, (outs), (ins cls:$R1, mode:$BD2, cond4:$valid, cond4:$R3),
668 mnemonic#"$R3\t$R1, $BD2", []>,
669 Requires<[FeatureLoadStoreOnCond]> {
671 let AccessBytes = bytes;
675 // Like CondStoreRSY, but used for the raw assembly form. The condition-code
676 // mask is the third operand rather than being part of the mnemonic.
677 class AsmCondStoreRSY<string mnemonic, bits<16> opcode,
678 RegisterOperand cls, bits<5> bytes,
679 AddressingMode mode = bdaddr20only>
680 : InstRSY<opcode, (outs), (ins cls:$R1, mode:$BD2, uimm8zx4:$R3),
681 mnemonic#"\t$R1, $BD2, $R3", []>,
682 Requires<[FeatureLoadStoreOnCond]> {
684 let AccessBytes = bytes;
687 // Like CondStoreRSY, but with a fixed CC mask.
688 class FixedCondStoreRSY<string mnemonic, bits<16> opcode,
689 RegisterOperand cls, bits<4> ccmask, bits<5> bytes,
690 AddressingMode mode = bdaddr20only>
691 : InstRSY<opcode, (outs), (ins cls:$R1, mode:$BD2),
692 mnemonic#"\t$R1, $BD2", []>,
693 Requires<[FeatureLoadStoreOnCond]> {
695 let AccessBytes = bytes;
699 class UnaryRR<string mnemonic, bits<8> opcode, SDPatternOperator operator,
700 RegisterOperand cls1, RegisterOperand cls2>
701 : InstRR<opcode, (outs cls1:$R1), (ins cls2:$R2),
702 mnemonic#"r\t$R1, $R2",
703 [(set cls1:$R1, (operator cls2:$R2))]> {
704 let OpKey = mnemonic ## cls1;
708 class UnaryRRE<string mnemonic, bits<16> opcode, SDPatternOperator operator,
709 RegisterOperand cls1, RegisterOperand cls2>
710 : InstRRE<opcode, (outs cls1:$R1), (ins cls2:$R2),
711 mnemonic#"r\t$R1, $R2",
712 [(set cls1:$R1, (operator cls2:$R2))]> {
713 let OpKey = mnemonic ## cls1;
717 class UnaryRRF<string mnemonic, bits<16> opcode, RegisterOperand cls1,
718 RegisterOperand cls2>
719 : InstRRF<opcode, (outs cls1:$R1), (ins uimm8zx4:$R3, cls2:$R2),
720 mnemonic#"r\t$R1, $R3, $R2", []> {
721 let OpKey = mnemonic ## cls1;
726 class UnaryRRF4<string mnemonic, bits<16> opcode, RegisterOperand cls1,
727 RegisterOperand cls2>
728 : InstRRF<opcode, (outs cls1:$R1), (ins uimm8zx4:$R3, cls2:$R2, uimm8zx4:$R4),
729 mnemonic#"\t$R1, $R3, $R2, $R4", []>;
731 // These instructions are generated by if conversion. The old value of R1
732 // is added as an implicit use.
733 class CondUnaryRRF<string mnemonic, bits<16> opcode, RegisterOperand cls1,
734 RegisterOperand cls2>
735 : InstRRF<opcode, (outs cls1:$R1), (ins cls2:$R2, cond4:$valid, cond4:$R3),
736 mnemonic#"r$R3\t$R1, $R2", []>,
737 Requires<[FeatureLoadStoreOnCond]> {
742 // Like CondUnaryRRF, but used for the raw assembly form. The condition-code
743 // mask is the third operand rather than being part of the mnemonic.
744 class AsmCondUnaryRRF<string mnemonic, bits<16> opcode, RegisterOperand cls1,
745 RegisterOperand cls2>
746 : InstRRF<opcode, (outs cls1:$R1), (ins cls1:$R1src, cls2:$R2, uimm8zx4:$R3),
747 mnemonic#"r\t$R1, $R2, $R3", []>,
748 Requires<[FeatureLoadStoreOnCond]> {
749 let Constraints = "$R1 = $R1src";
750 let DisableEncoding = "$R1src";
754 // Like CondUnaryRRF, but with a fixed CC mask.
755 class FixedCondUnaryRRF<string mnemonic, bits<16> opcode, RegisterOperand cls1,
756 RegisterOperand cls2, bits<4> ccmask>
757 : InstRRF<opcode, (outs cls1:$R1), (ins cls1:$R1src, cls2:$R2),
758 mnemonic#"\t$R1, $R2", []>,
759 Requires<[FeatureLoadStoreOnCond]> {
760 let Constraints = "$R1 = $R1src";
761 let DisableEncoding = "$R1src";
766 class UnaryRI<string mnemonic, bits<12> opcode, SDPatternOperator operator,
767 RegisterOperand cls, Immediate imm>
768 : InstRI<opcode, (outs cls:$R1), (ins imm:$I2),
769 mnemonic#"\t$R1, $I2",
770 [(set cls:$R1, (operator imm:$I2))]>;
772 class UnaryRIL<string mnemonic, bits<12> opcode, SDPatternOperator operator,
773 RegisterOperand cls, Immediate imm>
774 : InstRIL<opcode, (outs cls:$R1), (ins imm:$I2),
775 mnemonic#"\t$R1, $I2",
776 [(set cls:$R1, (operator imm:$I2))]>;
778 class UnaryRILPC<string mnemonic, bits<12> opcode, SDPatternOperator operator,
780 : InstRIL<opcode, (outs cls:$R1), (ins pcrel32:$I2),
781 mnemonic#"\t$R1, $I2",
782 [(set cls:$R1, (operator pcrel32:$I2))]> {
784 // We want PC-relative addresses to be tried ahead of BD and BDX addresses.
785 // However, BDXs have two extra operands and are therefore 6 units more
787 let AddedComplexity = 7;
790 class CondUnaryRSY<string mnemonic, bits<16> opcode,
791 SDPatternOperator operator, RegisterOperand cls,
792 bits<5> bytes, AddressingMode mode = bdaddr20only>
793 : InstRSY<opcode, (outs cls:$R1),
794 (ins cls:$R1src, mode:$BD2, cond4:$valid, cond4:$R3),
795 mnemonic#"$R3\t$R1, $BD2",
797 (z_select_ccmask (load bdaddr20only:$BD2), cls:$R1src,
798 cond4:$valid, cond4:$R3))]>,
799 Requires<[FeatureLoadStoreOnCond]> {
800 let Constraints = "$R1 = $R1src";
801 let DisableEncoding = "$R1src";
803 let AccessBytes = bytes;
807 // Like CondUnaryRSY, but used for the raw assembly form. The condition-code
808 // mask is the third operand rather than being part of the mnemonic.
809 class AsmCondUnaryRSY<string mnemonic, bits<16> opcode,
810 RegisterOperand cls, bits<5> bytes,
811 AddressingMode mode = bdaddr20only>
812 : InstRSY<opcode, (outs cls:$R1), (ins cls:$R1src, mode:$BD2, uimm8zx4:$R3),
813 mnemonic#"\t$R1, $BD2, $R3", []>,
814 Requires<[FeatureLoadStoreOnCond]> {
816 let AccessBytes = bytes;
817 let Constraints = "$R1 = $R1src";
818 let DisableEncoding = "$R1src";
821 // Like CondUnaryRSY, but with a fixed CC mask.
822 class FixedCondUnaryRSY<string mnemonic, bits<16> opcode,
823 RegisterOperand cls, bits<4> ccmask, bits<5> bytes,
824 AddressingMode mode = bdaddr20only>
825 : InstRSY<opcode, (outs cls:$R1), (ins cls:$R1src, mode:$BD2),
826 mnemonic#"\t$R1, $BD2", []>,
827 Requires<[FeatureLoadStoreOnCond]> {
828 let Constraints = "$R1 = $R1src";
829 let DisableEncoding = "$R1src";
832 let AccessBytes = bytes;
835 class UnaryRX<string mnemonic, bits<8> opcode, SDPatternOperator operator,
836 RegisterOperand cls, bits<5> bytes,
837 AddressingMode mode = bdxaddr12only>
838 : InstRX<opcode, (outs cls:$R1), (ins mode:$XBD2),
839 mnemonic#"\t$R1, $XBD2",
840 [(set cls:$R1, (operator mode:$XBD2))]> {
841 let OpKey = mnemonic ## cls;
844 let AccessBytes = bytes;
847 class UnaryRXE<string mnemonic, bits<16> opcode, SDPatternOperator operator,
848 RegisterOperand cls, bits<5> bytes>
849 : InstRXE<opcode, (outs cls:$R1), (ins bdxaddr12only:$XBD2),
850 mnemonic#"\t$R1, $XBD2",
851 [(set cls:$R1, (operator bdxaddr12only:$XBD2))]> {
852 let OpKey = mnemonic ## cls;
855 let AccessBytes = bytes;
858 class UnaryRXY<string mnemonic, bits<16> opcode, SDPatternOperator operator,
859 RegisterOperand cls, bits<5> bytes,
860 AddressingMode mode = bdxaddr20only>
861 : InstRXY<opcode, (outs cls:$R1), (ins mode:$XBD2),
862 mnemonic#"\t$R1, $XBD2",
863 [(set cls:$R1, (operator mode:$XBD2))]> {
864 let OpKey = mnemonic ## cls;
867 let AccessBytes = bytes;
870 multiclass UnaryRXPair<string mnemonic, bits<8> rxOpcode, bits<16> rxyOpcode,
871 SDPatternOperator operator, RegisterOperand cls,
873 let DispKey = mnemonic ## #cls in {
874 let DispSize = "12" in
875 def "" : UnaryRX<mnemonic, rxOpcode, operator, cls, bytes, bdxaddr12pair>;
876 let DispSize = "20" in
877 def Y : UnaryRXY<mnemonic#"y", rxyOpcode, operator, cls, bytes,
882 class BinaryRR<string mnemonic, bits<8> opcode, SDPatternOperator operator,
883 RegisterOperand cls1, RegisterOperand cls2>
884 : InstRR<opcode, (outs cls1:$R1), (ins cls1:$R1src, cls2:$R2),
885 mnemonic#"r\t$R1, $R2",
886 [(set cls1:$R1, (operator cls1:$R1src, cls2:$R2))]> {
887 let OpKey = mnemonic ## cls1;
889 let Constraints = "$R1 = $R1src";
890 let DisableEncoding = "$R1src";
893 class BinaryRRE<string mnemonic, bits<16> opcode, SDPatternOperator operator,
894 RegisterOperand cls1, RegisterOperand cls2>
895 : InstRRE<opcode, (outs cls1:$R1), (ins cls1:$R1src, cls2:$R2),
896 mnemonic#"r\t$R1, $R2",
897 [(set cls1:$R1, (operator cls1:$R1src, cls2:$R2))]> {
898 let OpKey = mnemonic ## cls1;
900 let Constraints = "$R1 = $R1src";
901 let DisableEncoding = "$R1src";
904 class BinaryRRF<string mnemonic, bits<16> opcode, SDPatternOperator operator,
905 RegisterOperand cls1, RegisterOperand cls2>
906 : InstRRF<opcode, (outs cls1:$R1), (ins cls1:$R3, cls2:$R2),
907 mnemonic#"r\t$R1, $R3, $R2",
908 [(set cls1:$R1, (operator cls1:$R3, cls2:$R2))]> {
909 let OpKey = mnemonic ## cls1;
914 class BinaryRRFK<string mnemonic, bits<16> opcode, SDPatternOperator operator,
915 RegisterOperand cls1, RegisterOperand cls2>
916 : InstRRF<opcode, (outs cls1:$R1), (ins cls1:$R2, cls2:$R3),
917 mnemonic#"rk\t$R1, $R2, $R3",
918 [(set cls1:$R1, (operator cls1:$R2, cls2:$R3))]> {
922 multiclass BinaryRRAndK<string mnemonic, bits<8> opcode1, bits<16> opcode2,
923 SDPatternOperator operator, RegisterOperand cls1,
924 RegisterOperand cls2> {
925 let NumOpsKey = mnemonic in {
926 let NumOpsValue = "3" in
927 def K : BinaryRRFK<mnemonic, opcode2, null_frag, cls1, cls2>,
928 Requires<[FeatureDistinctOps]>;
929 let NumOpsValue = "2", isConvertibleToThreeAddress = 1 in
930 def "" : BinaryRR<mnemonic, opcode1, operator, cls1, cls2>;
934 multiclass BinaryRREAndK<string mnemonic, bits<16> opcode1, bits<16> opcode2,
935 SDPatternOperator operator, RegisterOperand cls1,
936 RegisterOperand cls2> {
937 let NumOpsKey = mnemonic in {
938 let NumOpsValue = "3" in
939 def K : BinaryRRFK<mnemonic, opcode2, null_frag, cls1, cls2>,
940 Requires<[FeatureDistinctOps]>;
941 let NumOpsValue = "2", isConvertibleToThreeAddress = 1 in
942 def "" : BinaryRRE<mnemonic, opcode1, operator, cls1, cls2>;
946 class BinaryRI<string mnemonic, bits<12> opcode, SDPatternOperator operator,
947 RegisterOperand cls, Immediate imm>
948 : InstRI<opcode, (outs cls:$R1), (ins cls:$R1src, imm:$I2),
949 mnemonic#"\t$R1, $I2",
950 [(set cls:$R1, (operator cls:$R1src, imm:$I2))]> {
951 let Constraints = "$R1 = $R1src";
952 let DisableEncoding = "$R1src";
955 class BinaryRIE<string mnemonic, bits<16> opcode, SDPatternOperator operator,
956 RegisterOperand cls, Immediate imm>
957 : InstRIEd<opcode, (outs cls:$R1), (ins cls:$R3, imm:$I2),
958 mnemonic#"\t$R1, $R3, $I2",
959 [(set cls:$R1, (operator cls:$R3, imm:$I2))]>;
961 multiclass BinaryRIAndK<string mnemonic, bits<12> opcode1, bits<16> opcode2,
962 SDPatternOperator operator, RegisterOperand cls,
964 let NumOpsKey = mnemonic in {
965 let NumOpsValue = "3" in
966 def K : BinaryRIE<mnemonic##"k", opcode2, null_frag, cls, imm>,
967 Requires<[FeatureDistinctOps]>;
968 let NumOpsValue = "2", isConvertibleToThreeAddress = 1 in
969 def "" : BinaryRI<mnemonic, opcode1, operator, cls, imm>;
973 class BinaryRIL<string mnemonic, bits<12> opcode, SDPatternOperator operator,
974 RegisterOperand cls, Immediate imm>
975 : InstRIL<opcode, (outs cls:$R1), (ins cls:$R1src, imm:$I2),
976 mnemonic#"\t$R1, $I2",
977 [(set cls:$R1, (operator cls:$R1src, imm:$I2))]> {
978 let Constraints = "$R1 = $R1src";
979 let DisableEncoding = "$R1src";
982 class BinaryRX<string mnemonic, bits<8> opcode, SDPatternOperator operator,
983 RegisterOperand cls, SDPatternOperator load, bits<5> bytes,
984 AddressingMode mode = bdxaddr12only>
985 : InstRX<opcode, (outs cls:$R1), (ins cls:$R1src, mode:$XBD2),
986 mnemonic#"\t$R1, $XBD2",
987 [(set cls:$R1, (operator cls:$R1src, (load mode:$XBD2)))]> {
988 let OpKey = mnemonic ## cls;
990 let Constraints = "$R1 = $R1src";
991 let DisableEncoding = "$R1src";
993 let AccessBytes = bytes;
996 class BinaryRXE<string mnemonic, bits<16> opcode, SDPatternOperator operator,
997 RegisterOperand cls, SDPatternOperator load, bits<5> bytes>
998 : InstRXE<opcode, (outs cls:$R1), (ins cls:$R1src, bdxaddr12only:$XBD2),
999 mnemonic#"\t$R1, $XBD2",
1000 [(set cls:$R1, (operator cls:$R1src,
1001 (load bdxaddr12only:$XBD2)))]> {
1002 let OpKey = mnemonic ## cls;
1004 let Constraints = "$R1 = $R1src";
1005 let DisableEncoding = "$R1src";
1007 let AccessBytes = bytes;
1010 class BinaryRXY<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1011 RegisterOperand cls, SDPatternOperator load, bits<5> bytes,
1012 AddressingMode mode = bdxaddr20only>
1013 : InstRXY<opcode, (outs cls:$R1), (ins cls:$R1src, mode:$XBD2),
1014 mnemonic#"\t$R1, $XBD2",
1015 [(set cls:$R1, (operator cls:$R1src, (load mode:$XBD2)))]> {
1016 let OpKey = mnemonic ## cls;
1018 let Constraints = "$R1 = $R1src";
1019 let DisableEncoding = "$R1src";
1021 let AccessBytes = bytes;
1024 multiclass BinaryRXPair<string mnemonic, bits<8> rxOpcode, bits<16> rxyOpcode,
1025 SDPatternOperator operator, RegisterOperand cls,
1026 SDPatternOperator load, bits<5> bytes> {
1027 let DispKey = mnemonic ## #cls in {
1028 let DispSize = "12" in
1029 def "" : BinaryRX<mnemonic, rxOpcode, operator, cls, load, bytes,
1031 let DispSize = "20" in
1032 def Y : BinaryRXY<mnemonic#"y", rxyOpcode, operator, cls, load, bytes,
1037 class BinarySI<string mnemonic, bits<8> opcode, SDPatternOperator operator,
1038 Operand imm, AddressingMode mode = bdaddr12only>
1039 : InstSI<opcode, (outs), (ins mode:$BD1, imm:$I2),
1040 mnemonic#"\t$BD1, $I2",
1041 [(store (operator (load mode:$BD1), imm:$I2), mode:$BD1)]> {
1046 class BinarySIY<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1047 Operand imm, AddressingMode mode = bdaddr20only>
1048 : InstSIY<opcode, (outs), (ins mode:$BD1, imm:$I2),
1049 mnemonic#"\t$BD1, $I2",
1050 [(store (operator (load mode:$BD1), imm:$I2), mode:$BD1)]> {
1055 multiclass BinarySIPair<string mnemonic, bits<8> siOpcode,
1056 bits<16> siyOpcode, SDPatternOperator operator,
1058 let DispKey = mnemonic ## #cls in {
1059 let DispSize = "12" in
1060 def "" : BinarySI<mnemonic, siOpcode, operator, imm, bdaddr12pair>;
1061 let DispSize = "20" in
1062 def Y : BinarySIY<mnemonic#"y", siyOpcode, operator, imm, bdaddr20pair>;
1066 class ShiftRS<string mnemonic, bits<8> opcode, SDPatternOperator operator,
1067 RegisterOperand cls>
1068 : InstRS<opcode, (outs cls:$R1), (ins cls:$R1src, shift12only:$BD2),
1069 mnemonic#"\t$R1, $BD2",
1070 [(set cls:$R1, (operator cls:$R1src, shift12only:$BD2))]> {
1072 let Constraints = "$R1 = $R1src";
1073 let DisableEncoding = "$R1src";
1076 class ShiftRSY<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1077 RegisterOperand cls>
1078 : InstRSY<opcode, (outs cls:$R1), (ins cls:$R3, shift20only:$BD2),
1079 mnemonic#"\t$R1, $R3, $BD2",
1080 [(set cls:$R1, (operator cls:$R3, shift20only:$BD2))]>;
1082 multiclass ShiftRSAndK<string mnemonic, bits<8> opcode1, bits<16> opcode2,
1083 SDPatternOperator operator, RegisterOperand cls> {
1084 let NumOpsKey = mnemonic in {
1085 let NumOpsValue = "3" in
1086 def K : ShiftRSY<mnemonic##"k", opcode2, null_frag, cls>,
1087 Requires<[FeatureDistinctOps]>;
1088 let NumOpsValue = "2", isConvertibleToThreeAddress = 1 in
1089 def "" : ShiftRS<mnemonic, opcode1, operator, cls>;
1093 class CompareRR<string mnemonic, bits<8> opcode, SDPatternOperator operator,
1094 RegisterOperand cls1, RegisterOperand cls2>
1095 : InstRR<opcode, (outs), (ins cls1:$R1, cls2:$R2),
1096 mnemonic#"r\t$R1, $R2",
1097 [(operator cls1:$R1, cls2:$R2)]> {
1098 let OpKey = mnemonic ## cls1;
1103 class CompareRRE<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1104 RegisterOperand cls1, RegisterOperand cls2>
1105 : InstRRE<opcode, (outs), (ins cls1:$R1, cls2:$R2),
1106 mnemonic#"r\t$R1, $R2",
1107 [(operator cls1:$R1, cls2:$R2)]> {
1108 let OpKey = mnemonic ## cls1;
1113 class CompareRI<string mnemonic, bits<12> opcode, SDPatternOperator operator,
1114 RegisterOperand cls, Immediate imm>
1115 : InstRI<opcode, (outs), (ins cls:$R1, imm:$I2),
1116 mnemonic#"\t$R1, $I2",
1117 [(operator cls:$R1, imm:$I2)]> {
1121 class CompareRIL<string mnemonic, bits<12> opcode, SDPatternOperator operator,
1122 RegisterOperand cls, Immediate imm>
1123 : InstRIL<opcode, (outs), (ins cls:$R1, imm:$I2),
1124 mnemonic#"\t$R1, $I2",
1125 [(operator cls:$R1, imm:$I2)]> {
1129 class CompareRILPC<string mnemonic, bits<12> opcode, SDPatternOperator operator,
1130 RegisterOperand cls, SDPatternOperator load>
1131 : InstRIL<opcode, (outs), (ins cls:$R1, pcrel32:$I2),
1132 mnemonic#"\t$R1, $I2",
1133 [(operator cls:$R1, (load pcrel32:$I2))]> {
1136 // We want PC-relative addresses to be tried ahead of BD and BDX addresses.
1137 // However, BDXs have two extra operands and are therefore 6 units more
1139 let AddedComplexity = 7;
1142 class CompareRX<string mnemonic, bits<8> opcode, SDPatternOperator operator,
1143 RegisterOperand cls, SDPatternOperator load, bits<5> bytes,
1144 AddressingMode mode = bdxaddr12only>
1145 : InstRX<opcode, (outs), (ins cls:$R1, mode:$XBD2),
1146 mnemonic#"\t$R1, $XBD2",
1147 [(operator cls:$R1, (load mode:$XBD2))]> {
1148 let OpKey = mnemonic ## cls;
1152 let AccessBytes = bytes;
1155 class CompareRXE<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1156 RegisterOperand cls, SDPatternOperator load, bits<5> bytes>
1157 : InstRXE<opcode, (outs), (ins cls:$R1, bdxaddr12only:$XBD2),
1158 mnemonic#"\t$R1, $XBD2",
1159 [(operator cls:$R1, (load bdxaddr12only:$XBD2))]> {
1160 let OpKey = mnemonic ## cls;
1164 let AccessBytes = bytes;
1167 class CompareRXY<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1168 RegisterOperand cls, SDPatternOperator load, bits<5> bytes,
1169 AddressingMode mode = bdxaddr20only>
1170 : InstRXY<opcode, (outs), (ins cls:$R1, mode:$XBD2),
1171 mnemonic#"\t$R1, $XBD2",
1172 [(operator cls:$R1, (load mode:$XBD2))]> {
1173 let OpKey = mnemonic ## cls;
1177 let AccessBytes = bytes;
1180 multiclass CompareRXPair<string mnemonic, bits<8> rxOpcode, bits<16> rxyOpcode,
1181 SDPatternOperator operator, RegisterOperand cls,
1182 SDPatternOperator load, bits<5> bytes> {
1183 let DispKey = mnemonic ## #cls in {
1184 let DispSize = "12" in
1185 def "" : CompareRX<mnemonic, rxOpcode, operator, cls,
1186 load, bytes, bdxaddr12pair>;
1187 let DispSize = "20" in
1188 def Y : CompareRXY<mnemonic#"y", rxyOpcode, operator, cls,
1189 load, bytes, bdxaddr20pair>;
1193 class CompareSI<string mnemonic, bits<8> opcode, SDPatternOperator operator,
1194 SDPatternOperator load, Immediate imm,
1195 AddressingMode mode = bdaddr12only>
1196 : InstSI<opcode, (outs), (ins mode:$BD1, imm:$I2),
1197 mnemonic#"\t$BD1, $I2",
1198 [(operator (load mode:$BD1), imm:$I2)]> {
1203 class CompareSIL<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1204 SDPatternOperator load, Immediate imm>
1205 : InstSIL<opcode, (outs), (ins bdaddr12only:$BD1, imm:$I2),
1206 mnemonic#"\t$BD1, $I2",
1207 [(operator (load bdaddr12only:$BD1), imm:$I2)]> {
1212 class CompareSIY<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1213 SDPatternOperator load, Immediate imm,
1214 AddressingMode mode = bdaddr20only>
1215 : InstSIY<opcode, (outs), (ins mode:$BD1, imm:$I2),
1216 mnemonic#"\t$BD1, $I2",
1217 [(operator (load mode:$BD1), imm:$I2)]> {
1222 multiclass CompareSIPair<string mnemonic, bits<8> siOpcode, bits<16> siyOpcode,
1223 SDPatternOperator operator, SDPatternOperator load,
1225 let DispKey = mnemonic in {
1226 let DispSize = "12" in
1227 def "" : CompareSI<mnemonic, siOpcode, operator, load, imm, bdaddr12pair>;
1228 let DispSize = "20" in
1229 def Y : CompareSIY<mnemonic#"y", siyOpcode, operator, load, imm,
1234 class TernaryRRD<string mnemonic, bits<16> opcode,
1235 SDPatternOperator operator, RegisterOperand cls>
1236 : InstRRD<opcode, (outs cls:$R1), (ins cls:$R1src, cls:$R3, cls:$R2),
1237 mnemonic#"r\t$R1, $R3, $R2",
1238 [(set cls:$R1, (operator cls:$R1src, cls:$R3, cls:$R2))]> {
1239 let OpKey = mnemonic ## cls;
1241 let Constraints = "$R1 = $R1src";
1242 let DisableEncoding = "$R1src";
1245 class TernaryRXF<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1246 RegisterOperand cls, SDPatternOperator load, bits<5> bytes>
1247 : InstRXF<opcode, (outs cls:$R1),
1248 (ins cls:$R1src, cls:$R3, bdxaddr12only:$XBD2),
1249 mnemonic#"\t$R1, $R3, $XBD2",
1250 [(set cls:$R1, (operator cls:$R1src, cls:$R3,
1251 (load bdxaddr12only:$XBD2)))]> {
1252 let OpKey = mnemonic ## cls;
1254 let Constraints = "$R1 = $R1src";
1255 let DisableEncoding = "$R1src";
1257 let AccessBytes = bytes;
1260 class CmpSwapRS<string mnemonic, bits<8> opcode, SDPatternOperator operator,
1261 RegisterOperand cls, AddressingMode mode = bdaddr12only>
1262 : InstRS<opcode, (outs cls:$R1), (ins cls:$R1src, cls:$R3, mode:$BD2),
1263 mnemonic#"\t$R1, $R3, $BD2",
1264 [(set cls:$R1, (operator mode:$BD2, cls:$R1src, cls:$R3))]> {
1265 let Constraints = "$R1 = $R1src";
1266 let DisableEncoding = "$R1src";
1271 class CmpSwapRSY<string mnemonic, bits<16> opcode, SDPatternOperator operator,
1272 RegisterOperand cls, AddressingMode mode = bdaddr20only>
1273 : InstRSY<opcode, (outs cls:$R1), (ins cls:$R1src, cls:$R3, mode:$BD2),
1274 mnemonic#"\t$R1, $R3, $BD2",
1275 [(set cls:$R1, (operator mode:$BD2, cls:$R1src, cls:$R3))]> {
1276 let Constraints = "$R1 = $R1src";
1277 let DisableEncoding = "$R1src";
1282 multiclass CmpSwapRSPair<string mnemonic, bits<8> rsOpcode, bits<16> rsyOpcode,
1283 SDPatternOperator operator, RegisterOperand cls> {
1284 let DispKey = mnemonic ## #cls in {
1285 let DispSize = "12" in
1286 def "" : CmpSwapRS<mnemonic, rsOpcode, operator, cls, bdaddr12pair>;
1287 let DispSize = "20" in
1288 def Y : CmpSwapRSY<mnemonic#"y", rsyOpcode, operator, cls, bdaddr20pair>;
1292 class RotateSelectRIEf<string mnemonic, bits<16> opcode, RegisterOperand cls1,
1293 RegisterOperand cls2>
1294 : InstRIEf<opcode, (outs cls1:$R1),
1295 (ins cls1:$R1src, cls2:$R2, uimm8:$I3, uimm8:$I4, uimm8zx6:$I5),
1296 mnemonic#"\t$R1, $R2, $I3, $I4, $I5", []> {
1297 let Constraints = "$R1 = $R1src";
1298 let DisableEncoding = "$R1src";
1301 // A floating-point load-and test operation. Create both a normal unary
1302 // operation and one that acts as a comparison against zero.
1303 multiclass LoadAndTestRRE<string mnemonic, bits<16> opcode,
1304 RegisterOperand cls> {
1305 def "" : UnaryRRE<mnemonic, opcode, null_frag, cls, cls>;
1306 let isCodeGenOnly = 1 in
1307 def Compare : CompareRRE<mnemonic, opcode, null_frag, cls, cls>;
1310 //===----------------------------------------------------------------------===//
1311 // Pseudo instructions
1312 //===----------------------------------------------------------------------===//
1314 // Convenience instructions that get lowered to real instructions
1315 // by either SystemZTargetLowering::EmitInstrWithCustomInserter()
1316 // or SystemZInstrInfo::expandPostRAPseudo().
1318 //===----------------------------------------------------------------------===//
1320 class Pseudo<dag outs, dag ins, list<dag> pattern>
1321 : InstSystemZ<0, outs, ins, "", pattern> {
1323 let isCodeGenOnly = 1;
1326 // Implements "$dst = $cc & (8 >> CC) ? $src1 : $src2", where CC is
1327 // the value of the PSW's 2-bit condition code field.
1328 class SelectWrapper<RegisterOperand cls>
1329 : Pseudo<(outs cls:$dst),
1330 (ins cls:$src1, cls:$src2, uimm8zx4:$valid, uimm8zx4:$cc),
1331 [(set cls:$dst, (z_select_ccmask cls:$src1, cls:$src2,
1332 uimm8zx4:$valid, uimm8zx4:$cc))]> {
1333 let usesCustomInserter = 1;
1334 // Although the instructions used by these nodes do not in themselves
1335 // change CC, the insertion requires new blocks, and CC cannot be live
1341 // Stores $new to $addr if $cc is true ("" case) or false (Inv case).
1342 multiclass CondStores<RegisterOperand cls, SDPatternOperator store,
1343 SDPatternOperator load, AddressingMode mode> {
1344 let Defs = [CC], Uses = [CC], usesCustomInserter = 1 in {
1345 def "" : Pseudo<(outs),
1346 (ins cls:$new, mode:$addr, uimm8zx4:$valid, uimm8zx4:$cc),
1347 [(store (z_select_ccmask cls:$new, (load mode:$addr),
1348 uimm8zx4:$valid, uimm8zx4:$cc),
1350 def Inv : Pseudo<(outs),
1351 (ins cls:$new, mode:$addr, uimm8zx4:$valid, uimm8zx4:$cc),
1352 [(store (z_select_ccmask (load mode:$addr), cls:$new,
1353 uimm8zx4:$valid, uimm8zx4:$cc),
1358 // OPERATOR is ATOMIC_SWAP or an ATOMIC_LOAD_* operation. PAT and OPERAND
1359 // describe the second (non-memory) operand.
1360 class AtomicLoadBinary<SDPatternOperator operator, RegisterOperand cls,
1361 dag pat, DAGOperand operand>
1362 : Pseudo<(outs cls:$dst), (ins bdaddr20only:$ptr, operand:$src2),
1363 [(set cls:$dst, (operator bdaddr20only:$ptr, pat))]> {
1365 let Has20BitOffset = 1;
1368 let usesCustomInserter = 1;
1371 // Specializations of AtomicLoadWBinary.
1372 class AtomicLoadBinaryReg32<SDPatternOperator operator>
1373 : AtomicLoadBinary<operator, GR32, (i32 GR32:$src2), GR32>;
1374 class AtomicLoadBinaryImm32<SDPatternOperator operator, Immediate imm>
1375 : AtomicLoadBinary<operator, GR32, (i32 imm:$src2), imm>;
1376 class AtomicLoadBinaryReg64<SDPatternOperator operator>
1377 : AtomicLoadBinary<operator, GR64, (i64 GR64:$src2), GR64>;
1378 class AtomicLoadBinaryImm64<SDPatternOperator operator, Immediate imm>
1379 : AtomicLoadBinary<operator, GR64, (i64 imm:$src2), imm>;
1381 // OPERATOR is ATOMIC_SWAPW or an ATOMIC_LOADW_* operation. PAT and OPERAND
1382 // describe the second (non-memory) operand.
1383 class AtomicLoadWBinary<SDPatternOperator operator, dag pat,
1385 : Pseudo<(outs GR32:$dst),
1386 (ins bdaddr20only:$ptr, operand:$src2, ADDR32:$bitshift,
1387 ADDR32:$negbitshift, uimm32:$bitsize),
1388 [(set GR32:$dst, (operator bdaddr20only:$ptr, pat, ADDR32:$bitshift,
1389 ADDR32:$negbitshift, uimm32:$bitsize))]> {
1391 let Has20BitOffset = 1;
1394 let usesCustomInserter = 1;
1397 // Specializations of AtomicLoadWBinary.
1398 class AtomicLoadWBinaryReg<SDPatternOperator operator>
1399 : AtomicLoadWBinary<operator, (i32 GR32:$src2), GR32>;
1400 class AtomicLoadWBinaryImm<SDPatternOperator operator, Immediate imm>
1401 : AtomicLoadWBinary<operator, (i32 imm:$src2), imm>;
1403 // Define an instruction that operates on two fixed-length blocks of memory.
1404 // The real instruction uses a bdladdr12onlylen8 for the first operand and a
1405 // bdaddr12only for the second, with the length of the second operand being
1406 // implicitly the same as the first. This arrangement matches the underlying
1407 // assembly syntax. However, for instruction selection it's easier to have
1408 // two normal bdaddr12onlys and a separate length operand, so define a pseudo
1409 // instruction for that too.
1410 multiclass MemorySS<string mnemonic, bits<8> opcode,
1411 SDPatternOperator operator> {
1412 def "" : InstSS<opcode, (outs), (ins bdladdr12onlylen8:$BDL1,
1414 mnemonic##"\t$BDL1, $BD2", []>;
1415 let usesCustomInserter = 1 in
1416 def Wrapper : Pseudo<(outs), (ins bdaddr12only:$dest, bdaddr12only:$src,
1418 [(operator bdaddr12only:$dest, bdaddr12only:$src,
1419 imm32len8:$length)]>;
1422 // Define an instruction that operates on two strings, both terminated
1423 // by the character in R0. The instruction processes a CPU-determinated
1424 // number of bytes at a time and sets CC to 3 if the instruction needs
1425 // to be repeated. Also define a pseudo instruction that represents
1426 // the full loop (the main instruction plus the branch on CC==3).
1427 multiclass StringRRE<string mnemonic, bits<16> opcode,
1428 SDPatternOperator operator> {
1429 def "" : InstRRE<opcode, (outs GR64:$R1, GR64:$R2),
1430 (ins GR64:$R1src, GR64:$R2src),
1431 mnemonic#"\t$R1, $R2", []> {
1432 let Constraints = "$R1 = $R1src, $R2 = $R2src";
1433 let DisableEncoding = "$R1src, $R2src";
1435 let usesCustomInserter = 1 in
1436 def Loop : Pseudo<(outs GR64:$end),
1437 (ins GR64:$start1, GR64:$start2, GR32:$char),
1438 [(set GR64:$end, (operator GR64:$start1, GR64:$start2,