1 //===-- LanaiInstrInfo.td - Target Description for Lanai Target -----------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file describes the Lanai instructions in TableGen format.
11 //===----------------------------------------------------------------------===//
13 //===----------------------------------------------------------------------===//
14 // Instruction format superclass
15 //===----------------------------------------------------------------------===//
17 include "LanaiInstrFormats.td"
19 // -------------------------------------------------- //
20 // Instruction Operands and Patterns
21 // -------------------------------------------------- //
23 // These are target-independent nodes, but have target-specific formats.
24 def SDT_LanaiCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>,
26 def SDT_LanaiCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
28 def SDT_LanaiCall : SDTypeProfile<0, -1, [SDTCisVT<0, i32>]>;
29 def SDT_LanaiSetFlag : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
30 def SDT_LanaiSelectCC : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>,
32 def SDT_LanaiSetCC : SDTypeProfile<1, 1, [SDTCisVT<0, i32>,
34 def SDT_LanaiBrCC : SDTypeProfile<0, 2, [SDTCisVT<0, OtherVT>,
36 def SDT_LanaiAdjDynAlloc : SDTypeProfile<1, 1, [SDTCisVT<0, i32>,
39 def Call : SDNode<"LanaiISD::CALL", SDT_LanaiCall,
40 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
42 def RetFlag : SDNode<"LanaiISD::RET_FLAG", SDTNone,
43 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
44 def CallSeqStart : SDNode<"ISD::CALLSEQ_START", SDT_LanaiCallSeqStart,
45 [SDNPHasChain, SDNPOutGlue]>;
46 def CallSeqEnd : SDNode<"ISD::CALLSEQ_END", SDT_LanaiCallSeqEnd,
47 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
48 def LanaiSetFlag : SDNode<"LanaiISD::SET_FLAG", SDT_LanaiSetFlag,
50 def LanaiSubbF : SDNode<"LanaiISD::SUBBF", SDT_LanaiSetFlag,
51 [SDNPOutGlue, SDNPInGlue]>;
52 def LanaiBrCC : SDNode<"LanaiISD::BR_CC", SDT_LanaiBrCC,
53 [SDNPHasChain, SDNPInGlue]>;
54 def LanaiSelectCC : SDNode<"LanaiISD::SELECT_CC", SDT_LanaiSelectCC,
56 def LanaiSetCC : SDNode<"LanaiISD::SETCC", SDT_LanaiSetCC,
58 def LanaiHi : SDNode<"LanaiISD::HI", SDTIntUnaryOp>;
59 def LanaiLo : SDNode<"LanaiISD::LO", SDTIntUnaryOp>;
60 def LanaiSmall : SDNode<"LanaiISD::SMALL", SDTIntUnaryOp>;
61 def LanaiAdjDynAlloc : SDNode<"LanaiISD::ADJDYNALLOC", SDT_LanaiAdjDynAlloc>;
63 // Extract bits 0-15 (low-end) of an immediate value.
64 def LO16 : SDNodeXForm<imm, [{
65 return CurDAG->getTargetConstant((uint64_t)N->getZExtValue() & 0xffff,
69 // Extract bits 16-31 (high-end) of an immediate value.
70 // Transformation function: shift the immediate value down into the low bits.
71 def HI16 : SDNodeXForm<imm, [{
72 return CurDAG->getTargetConstant((uint64_t)N->getZExtValue() >> 16, SDLoc(N),
76 def NEG : SDNodeXForm<imm, [{
77 return CurDAG->getTargetConstant(-N->getSExtValue(), SDLoc(N), MVT::i32);
80 def LO21 : SDNodeXForm<imm, [{
81 return CurDAG->getTargetConstant((uint64_t)N->getZExtValue() & 0x1fffff,
86 def BrTargetAsmOperand : AsmOperandClass {
87 let Name = "BrTarget";
89 def BrTarget : Operand<OtherVT> {
90 let ParserMatchClass = BrTargetAsmOperand;
91 let EncoderMethod = "getBranchTargetOpValue";
92 let DecoderMethod = "decodeBranch";
95 def CallTargetAsmOperand : AsmOperandClass {
96 let Name = "CallTarget";
98 def CallTarget : Operand<i32> {
99 let ParserMatchClass = CallTargetAsmOperand;
100 let EncoderMethod = "getBranchTargetOpValue";
101 let DecoderMethod = "decodeBranch";
104 def ImmShiftAsmOperand : AsmOperandClass { let Name = "ImmShift"; }
105 def immShift : Operand<i32>, PatLeaf<(imm), [{
106 int Imm = N->getSExtValue();
107 return Imm >= -31 && Imm <= 31;}]> {
108 let ParserMatchClass = ImmShiftAsmOperand;
109 let DecoderMethod = "decodeShiftImm";
112 def Imm10AsmOperand : AsmOperandClass { let Name = "Imm10"; }
113 def imm10 : Operand<i32>, PatLeaf<(imm), [{
114 return isInt<10>(N->getSExtValue()); }]> {
115 let ParserMatchClass = Imm10AsmOperand;
118 def LoImm16AsmOperand : AsmOperandClass { let Name = "LoImm16"; }
119 def i32lo16z : Operand<i32>, PatLeaf<(i32 imm), [{
120 // i32lo16 predicate - true if the 32-bit immediate has only rightmost 16
122 return ((N->getZExtValue() & 0xFFFFUL) == N->getZExtValue());}], LO16> {
123 let ParserMatchClass = LoImm16AsmOperand;
125 def i32neg16 : Operand<i32>, PatLeaf<(i32 imm), [{
126 // i32neg16 predicate - true if the 32-bit immediate is negative and can
127 // be represented by a 16 bit integer.
128 int Imm = N->getSExtValue();
129 return (Imm < 0) && (isInt<16>(Imm));}], LO16> {
130 let ParserMatchClass = LoImm16AsmOperand;
132 def i32lo16s : Operand<i32>, PatLeaf<(i32 imm), [{
133 // i32lo16 predicate - true if the 32-bit immediate has only rightmost 16
135 return ((int64_t)(N->getSExtValue() & 0xFFFFUL) == N->getSExtValue());}], LO16> {
136 let ParserMatchClass = LoImm16AsmOperand;
139 def LoImm16AndAsmOperand : AsmOperandClass { let Name = "LoImm16And"; }
140 def i32lo16and : Operand<i32>, PatLeaf<(i32 imm), [{
141 // i32lo16 predicate - true if the 32-bit immediate has the rightmost 16
142 // bits set and the leftmost 16 bits 1's.
143 return (N->getZExtValue() >= 0xFFFF0000UL);}], LO16> {
144 let ParserMatchClass = LoImm16AndAsmOperand;
145 let PrintMethod = "printLo16AndImmOperand";
148 def HiImm16AsmOperand : AsmOperandClass { let Name = "HiImm16"; }
149 def i32hi16 : Operand<i32>, PatLeaf<(i32 imm), [{
150 // i32hi16 predicate - true if the 32-bit immediate has only leftmost 16
152 return ((N->getZExtValue() & 0xFFFF0000UL) == N->getZExtValue());}], HI16> {
153 let ParserMatchClass = HiImm16AsmOperand;
154 let PrintMethod = "printHi16ImmOperand";
157 def HiImm16AndAsmOperand : AsmOperandClass { let Name = "HiImm16And"; }
158 def i32hi16and : Operand<i32>, PatLeaf<(i32 imm), [{
159 // i32lo16 predicate - true if the 32-bit immediate has the leftmost 16
160 // bits set and the rightmost 16 bits 1's.
161 return ((N->getZExtValue() & 0xFFFFUL) == 0xFFFFUL);}], HI16> {
162 let ParserMatchClass = HiImm16AndAsmOperand;
163 let PrintMethod = "printHi16AndImmOperand";
166 def LoImm21AsmOperand : AsmOperandClass { let Name = "LoImm21"; }
167 def i32lo21 : Operand<i32>, PatLeaf<(i32 imm), [{
168 // i32lo21 predicate - true if the 32-bit immediate has only rightmost 21
170 return ((N->getZExtValue() & 0x1FFFFFUL) == N->getZExtValue());}], LO21> {
171 let ParserMatchClass = LoImm21AsmOperand;
174 def AluOp : Operand<i32> {
175 let PrintMethod = "printAluOperand";
179 def ADDRrr : ComplexPattern<i32, 3, "selectAddrRr", [], []>;
180 def ADDRri : ComplexPattern<i32, 3, "selectAddrRi", [frameindex], []>;
181 def ADDRsls : ComplexPattern<i32, 1, "selectAddrSls", [frameindex], []>;
182 def ADDRspls : ComplexPattern<i32, 3, "selectAddrSpls", [frameindex], []>;
185 def MemRegImmAsmOperand : AsmOperandClass {
186 let Name = "MemRegImm";
187 let ParserMethod = "parseMemoryOperand";
189 def MEMri : Operand<i32> {
190 let DecoderMethod = "decodeRiMemoryValue";
191 let EncoderMethod = "getRiMemoryOpValue";
192 let MIOperandInfo = (ops GPR:$base, i32lo16s:$offset, AluOp:$Opcode);
193 let ParserMatchClass = MemRegImmAsmOperand;
194 let PrintMethod = "printMemRiOperand";
197 def MemRegRegAsmOperand : AsmOperandClass {
198 let Name = "MemRegReg";
199 let ParserMethod = "parseMemoryOperand";
201 def MEMrr : Operand<i32> {
202 let DecoderMethod = "decodeRrMemoryValue";
203 let EncoderMethod = "getRrMemoryOpValue";
204 let MIOperandInfo = (ops GPR:$Op1, GPR:$Op2, AluOp:$Opcode);
205 let ParserMatchClass = MemRegRegAsmOperand;
206 let PrintMethod = "printMemRrOperand";
209 def MemImmAsmOperand : AsmOperandClass {
211 let ParserMethod = "parseMemoryOperand";
213 def MEMi : Operand<i32> {
214 let MIOperandInfo = (ops i32lo21:$offset);
215 let ParserMatchClass = MemImmAsmOperand;
216 let PrintMethod = "printMemImmOperand";
219 def MemSplsAsmOperand : AsmOperandClass {
220 let Name = "MemSpls";
221 let ParserMethod = "parseMemoryOperand";
223 def MEMspls : Operand<i32> {
224 let DecoderMethod = "decodeSplsValue";
225 let EncoderMethod = "getSplsOpValue";
226 let MIOperandInfo = (ops GPR:$base, imm10:$offset, AluOp:$Opcode);
227 let ParserMatchClass = MemSplsAsmOperand;
228 let PrintMethod = "printMemSplsOperand";
231 def CCOp : Operand<i32> {
232 let PrintMethod = "printCCOperand";
235 // Predicate operand. Default to 0 = true.
236 def CondCodeOperand : AsmOperandClass { let Name = "CondCode"; }
238 def pred : PredicateOperand<i32, (ops i32imm), (ops (i32 0))> {
239 let PrintMethod = "printPredicateOperand";
240 let ParserMatchClass = CondCodeOperand;
241 let DecoderMethod = "decodePredicateOperand";
244 let hasSideEffects = 0, Inst = 0x00000001 in
245 def NOP : InstLanai<(outs), (ins), "nop", []>;
247 // Special NOPs to change logging level in vlanai.
248 let hasSideEffects = 0, Inst = 0x00000002 in
249 def LOG0 : InstLanai<(outs), (ins), "log_0", []>;
250 let hasSideEffects = 0, Inst = 0x00000003 in
251 def LOG1 : InstLanai<(outs), (ins), "log_1", []>;
252 let hasSideEffects = 0, Inst = 0x00000004 in
253 def LOG2 : InstLanai<(outs), (ins), "log_2", []>;
254 let hasSideEffects = 0, Inst = 0x00000005 in
255 def LOG3 : InstLanai<(outs), (ins), "log_3", []>;
256 let hasSideEffects = 0, Inst = 0x00000006 in
257 def LOG4 : InstLanai<(outs), (ins), "log_4", []>;
259 // Map an SPLS instruction onto itself. All other instructions will be mapped
260 // onto -1. Used to identify SPLS instructions.
261 def splsIdempotent : InstrMapping {
262 let FilterClass = "InstSPLS";
263 let RowFields = ["AsmString"];
264 let ColFields = ["PostEncoderMethod"];
265 let KeyCol = ["adjustPqBitsSpls"];
266 let ValueCols = [["adjustPqBitsSpls"]];
269 // -------------------------------------------------- //
271 // -------------------------------------------------- //
272 multiclass ALUbase<bits<3> subOp, string AsmStr, SDNode OpNode,
273 PatLeaf LoExt, PatLeaf HiExt,
274 list<dag> loPattern, list<dag> hiPattern> {
275 // Register Immediate
277 def LO : InstRI<subOp, (outs GPR:$Rd), (ins GPR:$Rs1, LoExt:$imm16),
278 !strconcat(AsmStr, "\t$Rs1, $imm16, $Rd"),
281 def HI : InstRI<subOp, (outs GPR:$Rd), (ins GPR:$Rs1, HiExt:$imm16),
282 !strconcat(AsmStr, "\t$Rs1, $imm16, $Rd"),
287 multiclass ALUarith<bits<3> subOp, string AsmStr, SDNode OpNode,
288 PatLeaf LoExt, PatLeaf HiExt> {
289 defm I_ : ALUbase<subOp, AsmStr, OpNode, LoExt, HiExt, [], []>;
293 def R : InstRR<subOp, (outs GPR:$Rd), (ins GPR:$Rs1, GPR:$Rs2, pred:$DDDI),
294 !strconcat(AsmStr, "$DDDI\t$Rs1, $Rs2, $Rd"),
295 [(set GPR:$Rd, (OpNode GPR:$Rs1, GPR:$Rs2))]>;
298 multiclass ALUlogic<bits<3> subOp, string AsmStr, SDNode OpNode,
299 PatLeaf LoExt, PatLeaf HiExt> {
300 defm I_ : ALUbase<subOp, AsmStr, OpNode, LoExt, HiExt,
301 [(set GPR:$Rd, (OpNode GPR:$Rs1, LoExt:$imm16))],
302 [(set GPR:$Rd, (OpNode GPR:$Rs1, HiExt:$imm16))]>;
306 def R : InstRR<subOp, (outs GPR:$Rd), (ins GPR:$Rs1, GPR:$Rs2, pred:$DDDI),
307 !strconcat(AsmStr, "$DDDI\t$Rs1, $Rs2, $Rd"),
308 [(set GPR:$Rd, (OpNode GPR:$Rs1, GPR:$Rs2))]>;
311 // Non flag setting ALU operations
312 let isAsCheapAsAMove = 1, F = 0 in {
313 let isCommutable = 1 in {
314 defm ADD_ : ALUarith<0b000, "add", add, i32lo16z, i32hi16>;
316 defm SUB_ : ALUarith<0b010, "sub", sub, i32lo16z, i32hi16>;
317 let isCommutable = 1 in {
318 defm AND_ : ALUlogic<0b100, "and", and, i32lo16and, i32hi16and>;
319 defm OR_ : ALUlogic<0b101, "or", or, i32lo16z, i32hi16>;
320 defm XOR_ : ALUlogic<0b110, "xor", xor, i32lo16z, i32hi16>;
324 def : Pat<(add GPR:$Rs1, i32lo16z:$imm),
325 (ADD_I_LO GPR:$Rs1, i32lo16z:$imm)>;
327 def : Pat<(sub GPR:$Rs1, i32lo16z:$imm),
328 (SUB_I_LO GPR:$Rs1, i32lo16z:$imm)>;
330 def : Pat<(add GPR:$Rs1, i32hi16:$imm),
331 (ADD_I_HI GPR:$Rs1, i32hi16:$imm)>;
333 def : Pat<(sub GPR:$Rs1, i32hi16:$imm),
334 (SUB_I_HI GPR:$Rs1, i32hi16:$imm)>;
336 def : Pat<(i32 i32lo16and:$imm), (AND_I_LO (i32 R1), i32lo16and:$imm)>;
337 def : Pat<(i32 i32hi16and:$imm), (AND_I_HI (i32 R1), i32hi16and:$imm)>;
339 // Change add/sub with negative number to sub/add
340 def : Pat<(add GPR:$Rs1, i32neg16:$imm),
341 (SUB_I_LO GPR:$Rs1, (NEG $imm))>;
342 def : Pat<(sub GPR:$Rs1, i32neg16:$imm),
343 (ADD_I_LO GPR:$Rs1, (NEG $imm))>;
345 // Flag (incl. carry) setting addition and subtraction
346 let F = 1, Defs = [SR] in {
347 defm ADD_F_ : ALUarith<0b000, "add.f", addc, i32lo16z, i32hi16>;
348 defm SUB_F_ : ALUarith<0b010, "sub.f", subc, i32lo16z, i32hi16>;
351 def : Pat<(addc GPR:$Rs1, i32lo16z:$imm),
352 (ADD_F_I_LO GPR:$Rs1, i32lo16z:$imm)>;
354 def : Pat<(subc GPR:$Rs1, i32lo16z:$imm),
355 (SUB_F_I_LO GPR:$Rs1, i32lo16z:$imm)>;
357 def : Pat<(addc GPR:$Rs1, i32hi16:$imm),
358 (ADD_F_I_HI GPR:$Rs1, i32hi16:$imm)>;
360 def : Pat<(subc GPR:$Rs1, i32hi16:$imm),
361 (SUB_F_I_HI GPR:$Rs1, i32hi16:$imm)>;
363 // Carry using addition and subtraction
364 let F = 0, Uses = [SR] in {
365 defm ADDC_ : ALUarith<0b001, "addc", adde, i32lo16z, i32hi16>;
366 defm SUBB_ : ALUarith<0b011, "subb", sube, i32lo16z, i32hi16>;
369 def : Pat<(adde GPR:$Rs1, i32lo16z:$imm),
370 (ADDC_I_LO GPR:$Rs1, i32lo16z:$imm)>;
372 def : Pat<(sube GPR:$Rs1, i32lo16z:$imm),
373 (SUBB_I_LO GPR:$Rs1, i32lo16z:$imm)>;
375 def : Pat<(adde GPR:$Rs1, i32hi16:$imm),
376 (ADDC_I_HI GPR:$Rs1, i32hi16:$imm)>;
378 def : Pat<(sube GPR:$Rs1, i32hi16:$imm),
379 (SUBB_I_HI GPR:$Rs1, i32hi16:$imm)>;
381 // Flag setting ALU operations
382 let isAsCheapAsAMove = 1, F = 1, Defs = [SR] in {
383 let isCommutable = 1 in {
384 defm AND_F_ : ALUlogic<0b100, "and.f", and, i32lo16and, i32hi16and>;
385 defm OR_F_ : ALUlogic<0b101, "or.f", or, i32lo16z, i32hi16>;
386 defm XOR_F_ : ALUlogic<0b110, "xor.f", xor, i32lo16z, i32hi16>;
390 let isAsCheapAsAMove = 1, F = 1, Defs = [SR], Uses = [SR] in {
391 defm ADDC_F_ : ALUarith<0b001, "addc.f", adde, i32lo16z, i32hi16>;
392 defm SUBB_F_ : ALUarith<0b011, "subb.f", sube, i32lo16z, i32hi16>;
395 def : Pat<(LanaiSubbF GPR:$Rs1, GPR:$Rs2),
396 (SUBB_F_R GPR:$Rs1, GPR:$Rs2)>;
398 def : Pat<(LanaiSubbF GPR:$Rs1, i32lo16z:$imm),
399 (SUBB_F_I_LO GPR:$Rs1, i32lo16z:$imm)>;
401 def : Pat<(LanaiSubbF GPR:$Rs1, i32hi16:$imm),
402 (SUBB_F_I_HI GPR:$Rs1, i32hi16:$imm)>;
404 def : InstAlias<"mov $src, $dst", (ADD_R GPR:$dst, GPR:$src, R0, 0)>;
406 let isAsCheapAsAMove = 1, Rs1 = R0.Num, isCodeGenOnly = 1, H = 1, F = 0,
407 isReMaterializable = 1 in
408 def MOVHI : InstRI<0b000, (outs GPR:$Rd), (ins i32hi16:$imm16),
410 [(set GPR:$Rd, i32hi16:$imm16)]>;
412 def : InstAlias<"mov $imm16, $dst", (ADD_I_LO GPR:$dst, R0, i32lo16z:$imm16)>;
413 def : InstAlias<"mov $imm16, $dst", (ADD_I_HI GPR:$dst, R0, i32hi16:$imm16)>;
414 def : InstAlias<"mov $imm16, $dst",
415 (AND_I_LO GPR:$dst, R1, i32lo16and:$imm16)>;
416 def : InstAlias<"mov $imm16, $dst",
417 (AND_I_HI GPR:$dst, R1, i32hi16and:$imm16)>;
419 // Shift instructions
420 class ShiftRI<string AsmStr, list<dag> Pattern>
421 : InstRI<0b111, (outs GPR:$Rd), (ins GPR:$Rs1, immShift:$imm16),
422 !strconcat(AsmStr, "\t$Rs1, $imm16, $Rd"), Pattern> {
423 let isReMaterializable = 1;
428 def SL_I : ShiftRI<"sh", [(set GPR:$Rd, (shl GPR:$Rs1, immShift:$imm16))]>;
430 def SA_I : ShiftRI<"sha", []>;
432 def : Pat<(srl GPR:$Rs1, immShift:$imm), (SL_I GPR:$Rs1, (NEG $imm))>;
433 def : Pat<(sra GPR:$Rs1, immShift:$imm), (SA_I GPR:$Rs1, (NEG $imm))>;
435 let F = 1, Defs = [SR] in {
437 def SL_F_I : ShiftRI<"sh.f", []>;
439 def SA_F_I : ShiftRI<"sha.f", []>;
442 class ShiftRR<string AsmStr, list<dag> Pattern>
443 : InstRR<0b111, (outs GPR:$Rd), (ins GPR:$Rs1, GPR:$Rs2, pred:$DDDI), AsmStr,
447 let JJJJJ = 0b10000 in
448 def SHL_R : ShiftRR<"sh$DDDI\t$Rs1, $Rs2, $Rd",
449 [(set GPR:$Rd, (shl GPR:$Rs1, GPR:$Rs2))]>;
450 let isCodeGenOnly = 1 in {
451 let JJJJJ = 0b10000 in
452 def SRL_R : ShiftRR<"sh$DDDI\t$Rs1, $Rs2, $Rd", []>;
454 let JJJJJ = 0b11000 in
455 def SRA_R : ShiftRR<"sha$DDDI\t$Rs1, $Rs2, $Rd", []>;
458 let F = 1, Defs = [SR] in {
459 let JJJJJ = 0b10000 in
460 def SHL_F_R : ShiftRR<"sh.f$DDDI\t$Rs1, $Rs2, $Rd", []>;
461 let isCodeGenOnly = 1 in {
462 let JJJJJ = 0b10000 in
463 def SRL_F_R : ShiftRR<"sh.f$DDDI\t$Rs1, $Rs2, $Rd", []>;
465 let JJJJJ = 0b11000 in
466 def SRA_F_R : ShiftRR<"sha.f$DDDI\t$Rs1, $Rs2, $Rd", []>;
469 // Expand shift-right operations
470 def : Pat<(srl GPR:$Rs1, GPR:$Rs2),
471 (SRL_R GPR:$Rs1, (SUB_R R0, GPR:$Rs2))>;
472 def : Pat<(sra GPR:$Rs1, GPR:$Rs2),
473 (SRA_R GPR:$Rs1, (SUB_R R0, GPR:$Rs2))>;
475 // -------------------------------------------------- //
477 // -------------------------------------------------- //
479 class LoadRR<string OpcString, PatFrag OpNode, ValueType Ty>
480 : InstRRM<0b0, (outs GPR:$Rd), (ins MEMrr:$src),
481 !strconcat(OpcString, "\t$src, $Rd"),
482 [(set (Ty GPR:$Rd), (OpNode ADDRrr:$src))]>,
486 let Rs1 = src{19-15};
487 let Rs2 = src{14-10};
491 let JJJJJ = src{4-0};
495 class LoadRI<string OpcString, PatFrag OpNode, ValueType Ty>
496 : InstRM<0b0, (outs GPR:$Rd), (ins MEMri:$src),
497 !strconcat(OpcString, "\t$src, $Rd"),
498 [(set (Ty GPR:$Rd), (OpNode ADDRri:$src))]>,
502 let Itinerary = IIC_LD;
503 let Rs1 = src{22-18};
506 let imm16 = src{15-0};
507 let isReMaterializable = 1;
513 // uld is used here and ld in the alias as the alias is printed out first if
515 def LDW_RI : LoadRI<"uld", load, i32>;
516 def LDW_RR : LoadRR<"ld", load, i32>;
520 def : InstAlias<"ld $src, $dst", (LDW_RI GPR:$dst, MEMri:$src)>;
524 def LDWz_RR : LoadRR<"uld", zextloadi32, i32>;
530 def LDHz_RR : LoadRR<"uld.h", zextloadi16, i32>;
532 def LDBz_RR : LoadRR<"uld.b", zextloadi8, i32>;
537 def LDHs_RR : LoadRR<"ld.h", sextloadi16, i32>;
539 def LDBs_RR : LoadRR<"ld.b", sextloadi8, i32>;
542 def LDADDR : InstSLS<0x0, (outs GPR:$Rd), (ins MEMi:$src),
544 [(set (i32 GPR:$Rd), (load ADDRsls:$src))]>,
548 let Itinerary = IIC_LD;
549 let msb = src{20-16};
551 let isReMaterializable = 1;
555 class LoadSPLS<string asmstring, PatFrag opNode>
556 : InstSPLS<(outs GPR:$Rd), (ins MEMspls:$src),
557 !strconcat(asmstring, "\t$src, $Rd"),
558 [(set (i32 GPR:$Rd), (opNode ADDRspls:$src))]>,
561 let Itinerary = IIC_LDSW;
562 let Rs1 = src{16-12};
565 let imm10 = src{9-0};
567 let isReMaterializable = 1;
570 let Y = 0, S = 0, E = 1 in
571 def LDHz_RI : LoadSPLS<"uld.h", zextloadi16>;
573 let Y = 0, S = 0, E = 0 in
574 def LDHs_RI : LoadSPLS<"ld.h", sextloadi16>;
576 let Y = 1, S = 0, E = 1 in
577 def LDBz_RI : LoadSPLS<"uld.b", zextloadi8>;
579 let Y = 1, S = 0, E = 0 in
580 def LDBs_RI : LoadSPLS<"ld.b", sextloadi8>;
582 def SLI : InstSLI<(outs GPR:$Rd), (ins i32lo21:$imm),
584 [(set GPR:$Rd, i32lo21:$imm)]> {
587 let msb = imm{20-16};
589 let isReMaterializable = 1;
590 let isAsCheapAsAMove = 1;
593 // -------------------------------------------------- //
594 // STORE instructions
595 // -------------------------------------------------- //
597 class StoreRR<string OpcString, PatFrag OpNode, ValueType Ty>
598 : InstRRM<0b1, (outs), (ins GPR:$Rd, MEMrr:$dst),
599 !strconcat(OpcString, "\t$Rd, $dst"),
600 [(OpNode (Ty GPR:$Rd), ADDRrr:$dst)]>,
604 let Itinerary = IIC_ST;
605 let Rs1 = dst{19-15};
606 let Rs2 = dst{14-10};
610 let JJJJJ = dst{4-0};
614 class StoreRI<string OpcString, PatFrag OpNode, ValueType Ty>
615 : InstRM<0b1, (outs), (ins GPR:$Rd, MEMri:$dst),
616 !strconcat(OpcString, "\t$Rd, $dst"),
617 [(OpNode (Ty GPR:$Rd), ADDRri:$dst)]>,
621 let Itinerary = IIC_ST;
622 let Rs1 = dst{22-18};
625 let imm16 = dst{15-0};
629 let YL = 0b01, E = 0 in {
630 def SW_RR : StoreRR<"st", store, i32>;
631 def SW_RI : StoreRI<"st", store, i32>;
636 def STH_RR : StoreRR<"st.h", truncstorei16, i32>;
638 def STB_RR : StoreRR<"st.b", truncstorei8, i32>;
641 def STADDR : InstSLS<0x1, (outs), (ins GPR:$Rd, MEMi:$dst),
643 [(store (i32 GPR:$Rd), ADDRsls:$dst)]>,
647 let Itinerary = IIC_ST;
648 let msb = dst{20-16};
653 class StoreSPLS<string asmstring, PatFrag opNode>
654 : InstSPLS<(outs), (ins GPR:$Rd, MEMspls:$dst),
655 !strconcat(asmstring, "\t$Rd, $dst"),
656 [(opNode (i32 GPR:$Rd), ADDRspls:$dst)]>,
660 let Itinerary = IIC_STSW;
661 let Rs1 = dst{16-12};
664 let imm10 = dst{9-0};
668 let Y = 0, S = 1, E = 0 in
669 def STH_RI : StoreSPLS<"st.h", truncstorei16>;
671 let Y = 1, S = 1, E = 0 in
672 def STB_RI : StoreSPLS<"st.b", truncstorei8>;
674 // -------------------------------------------------- //
675 // BRANCH instructions
676 // -------------------------------------------------- //
678 let isBranch = 1, isBarrier = 1, isTerminator = 1, hasDelaySlot = 1 in {
679 def BT : InstBR<(outs), (ins BrTarget:$addr),
685 def BRCC : InstBR<(outs), (ins BrTarget:$addr, CCOp:$DDDI),
687 [(LanaiBrCC bb:$addr, imm:$DDDI)]>;
689 let isIndirectBranch = 1 in {
690 def JR : InstRR<0b101, (outs), (ins GPR:$Rs2), "bt\t$Rs2",
691 [(brind GPR:$Rs2)]> {
701 // -------------------------------------------------- //
702 // Condition/SF instructions
703 // -------------------------------------------------- //
705 // Instructions to set flags used in lowering comparisons.
706 multiclass SF<bits<3> op2Val, string AsmStr> {
707 let F = 1, Rd = R0.Num, JJJJJ = 0, Defs = [SR], DDDI = 0 in
708 def _RR : InstRR<op2Val, (outs), (ins GPR:$Rs1, GPR:$Rs2),
709 !strconcat(AsmStr, "\t$Rs1, $Rs2, %r0"),
710 [(LanaiSetFlag (i32 GPR:$Rs1), (i32 GPR:$Rs2))]>;
711 let F = 1, Rd = R0.Num, H = 0, Defs = [SR] in
712 def _RI_LO : InstRI<op2Val, (outs), (ins GPR:$Rs1, i32lo16z:$imm16),
713 !strconcat(AsmStr, "\t$Rs1, $imm16, %r0"),
714 [(LanaiSetFlag (i32 GPR:$Rs1), i32lo16z:$imm16)]>;
715 let F = 1, Rd = R0.Num, H = 1, Defs = [SR] in
716 def _RI_HI : InstRI<op2Val, (outs), (ins GPR:$Rs1, i32hi16:$imm16),
717 !strconcat(AsmStr, "\t$Rs1, $imm16, %r0"),
718 [(LanaiSetFlag (i32 GPR:$Rs1), i32hi16:$imm16)]>;
720 let isCodeGenOnly = 1, isCompare = 1 in {
721 defm SFSUB_F : SF<0b010, "sub.f">;
725 let isCall = 1, hasDelaySlot = 1, isCodeGenOnly = 1, Uses = [SP],
727 def CALL : Pseudo<(outs), (ins CallTarget:$addr), "", []>;
728 def CALLR : Pseudo<(outs), (ins GPR:$Rs1), "", [(Call GPR:$Rs1)]>;
731 let isReturn = 1, isTerminator = 1, hasDelaySlot = 1, isBarrier = 1,
733 def RET : InstRM<0b0, (outs), (ins),
734 "ld\t-4[%fp], %pc ! return",
742 // Post encoding is not needed for RET.
743 let PostEncoderMethod = "";
747 // ADJCALLSTACKDOWN/UP implicitly use/def SP because they may be expanded into
748 // a stack adjustment and the codegen must know that they may modify the stack
749 // pointer before prolog-epilog rewriting occurs.
750 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
751 // sub / add which can clobber SP.
752 let Defs = [SP], Uses = [SP] in {
753 def ADJCALLSTACKDOWN : Pseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
754 "#ADJCALLSTACKDOWN $amt1 $amt2",
755 [(CallSeqStart timm:$amt1, timm:$amt2)]>;
756 def ADJCALLSTACKUP : Pseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
757 "#ADJCALLSTACKUP $amt1 $amt2",
758 [(CallSeqEnd timm:$amt1, timm:$amt2)]>;
761 let Defs = [SP], Uses = [SP] in {
762 def ADJDYNALLOC : Pseudo<(outs GPR:$dst), (ins GPR:$src),
763 "#ADJDYNALLOC $dst $src",
764 [(set GPR:$dst, (LanaiAdjDynAlloc GPR:$src))]>;
768 def SCC : InstSCC<(outs GPR:$Rs1), (ins CCOp:$DDDI),
770 [(set (i32 GPR:$Rs1), (LanaiSetCC imm:$DDDI))]>;
773 // Select with hardware support
774 let Uses = [SR], isSelect = 1 in {
775 def SELECT : InstRR<0b111, (outs GPR:$Rd),
776 (ins GPR:$Rs1, GPR:$Rs2, CCOp:$DDDI),
777 "sel.$DDDI $Rs1, $Rs2, $Rd",
779 (LanaiSelectCC (i32 GPR:$Rs1), (i32 GPR:$Rs2),
786 let isBranch = 1, isBarrier = 1, isTerminator = 1, hasDelaySlot = 1,
787 isIndirectBranch = 1, Uses = [SR] in {
788 def BRIND_CC : InstRR<0b101, (outs), (ins GPR:$Rs1, CCOp:$DDDI),
789 "b$DDDI\t$Rs1", []> {
796 def BRIND_CCA : InstRR<0b101, (outs), (ins GPR:$Rs1, GPR:$Rs2, CCOp:$DDDI),
797 "b${DDDI}\t$Rs1 add $Rs2", []> {
804 // TODO: This only considers the case where BROFF is an immediate and not where
805 // it is a register. Add support for register relative branching.
806 let isBranch = 1, isBarrier = 1, isTerminator = 1, hasDelaySlot = 1, Rs1 = 0,
808 def BRR : InstBRR<(outs), (ins i16imm:$imm16, CCOp:$DDDI),
809 "b${DDDI}.r\t$imm16", []>;
812 // Population Count (POPC)
813 def POPC: InstSpecial<0b001, (outs GPR:$Rd), (ins GPR:$Rs1),
815 [(set GPR:$Rd, (ctpop GPR:$Rs1))]>;
817 // Count Leading Zeros (LEADZ)
818 def LEADZ: InstSpecial<0b010, (outs GPR:$Rd), (ins GPR:$Rs1),
819 "leadz\t$Rs1, $Rd", [(set GPR:$Rd, (ctlz GPR:$Rs1))]>;
821 // Count Trailing Zeros (TRAILZ)
822 def TRAILZ : InstSpecial<0b011, (outs GPR:$Rd), (ins GPR:$Rs1),
824 [(set GPR:$Rd, (cttz GPR:$Rs1))]>;
827 //===----------------------------------------------------------------------===//
828 // Non-Instruction Patterns
829 //===----------------------------------------------------------------------===//
831 // unsigned 16-bit immediate
832 def : Pat<(i32 i32lo16z:$imm), (OR_I_LO (i32 R0), imm:$imm)>;
834 // arbitrary immediate
835 def : Pat<(i32 imm:$imm), (OR_I_LO (MOVHI (HI16 imm:$imm)), (LO16 imm:$imm))>;
838 def : Pat<(Call tglobaladdr:$dst), (CALL tglobaladdr:$dst)>;
839 def : Pat<(Call texternalsym:$dst), (CALL texternalsym:$dst)>;
842 def : Pat<(extloadi8 ADDRspls:$src), (i32 (LDBz_RI ADDRspls:$src))>;
843 def : Pat<(extloadi16 ADDRspls:$src), (i32 (LDHz_RI ADDRspls:$src))>;
844 // Loads up to 32-bits are already atomic.
845 // TODO: This is a workaround for a particular failing case and should be
846 // handled more generally.
847 def : Pat<(atomic_load_8 ADDRspls:$src), (i32 (LDBz_RI ADDRspls:$src))>;
849 // GlobalAddress, ExternalSymbol, Jumptable, ConstantPool
850 def : Pat<(LanaiHi tglobaladdr:$dst), (MOVHI tglobaladdr:$dst)>;
851 def : Pat<(LanaiLo tglobaladdr:$dst), (OR_I_LO (i32 R0), tglobaladdr:$dst)>;
852 def : Pat<(LanaiSmall tglobaladdr:$dst), (SLI tglobaladdr:$dst)>;
853 def : Pat<(LanaiHi texternalsym:$dst), (MOVHI texternalsym:$dst)>;
854 def : Pat<(LanaiLo texternalsym:$dst), (OR_I_LO (i32 R0), texternalsym:$dst)>;
855 def : Pat<(LanaiSmall texternalsym:$dst), (SLI texternalsym:$dst)>;
856 def : Pat<(LanaiHi tblockaddress:$dst), (MOVHI tblockaddress:$dst)>;
857 def : Pat<(LanaiLo tblockaddress:$dst), (OR_I_LO (i32 R0), tblockaddress:$dst)>;
858 def : Pat<(LanaiSmall tblockaddress:$dst), (SLI tblockaddress:$dst)>;
859 def : Pat<(LanaiHi tjumptable:$dst), (MOVHI tjumptable:$dst)>;
860 def : Pat<(LanaiLo tjumptable:$dst), (OR_I_LO (i32 R0), tjumptable:$dst)>;
861 def : Pat<(LanaiSmall tjumptable:$dst), (SLI tjumptable:$dst)>;
862 def : Pat<(LanaiHi tconstpool:$dst), (MOVHI tconstpool:$dst)>;
863 def : Pat<(LanaiLo tconstpool:$dst), (OR_I_LO (i32 R0), tconstpool:$dst)>;
864 def : Pat<(LanaiSmall tconstpool:$dst), (SLI tconstpool:$dst)>;
866 def : Pat<(or GPR:$hi, (LanaiLo tglobaladdr:$lo)),
867 (OR_I_LO GPR:$hi, tglobaladdr:$lo)>;
868 def : Pat<(or R0, (LanaiSmall tglobaladdr:$small)),
869 (SLI tglobaladdr:$small)>;
870 def : Pat<(or GPR:$hi, (LanaiLo texternalsym:$lo)),
871 (OR_I_LO GPR:$hi, texternalsym:$lo)>;
872 def : Pat<(or R0, (LanaiSmall texternalsym:$small)),
873 (SLI texternalsym:$small)>;
874 def : Pat<(or GPR:$hi, (LanaiLo tblockaddress:$lo)),
875 (OR_I_LO GPR:$hi, tblockaddress:$lo)>;
876 def : Pat<(or R0, (LanaiSmall tblockaddress:$small)),
877 (SLI tblockaddress:$small)>;
878 def : Pat<(or GPR:$hi, (LanaiLo tjumptable:$lo)),
879 (OR_I_LO GPR:$hi, tjumptable:$lo)>;
880 def : Pat<(or R0, (LanaiSmall tjumptable:$small)),
881 (SLI tjumptable:$small)>;
882 def : Pat<(or GPR:$hi, (LanaiLo tconstpool:$lo)),
883 (OR_I_LO GPR:$hi, tconstpool:$lo)>;
884 def : Pat<(or R0, (LanaiSmall tconstpool:$small)),
885 (SLI tconstpool:$small)>;