1 //===-- LanaiInstrInfo.td - Target Description for Lanai Target -----------===//
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 // This file describes the Lanai instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // Instruction format superclass
16 //===----------------------------------------------------------------------===//
18 include "LanaiInstrFormats.td"
20 // -------------------------------------------------- //
21 // Instruction Operands and Patterns
22 // -------------------------------------------------- //
24 // These are target-independent nodes, but have target-specific formats.
25 def SDT_LanaiCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>,
27 def SDT_LanaiCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>,
29 def SDT_LanaiCall : SDTypeProfile<0, -1, [SDTCisVT<0, i32>]>;
30 def SDT_LanaiSetFlag : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
31 def SDT_LanaiSelectCC : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>,
33 def SDT_LanaiSetCC : SDTypeProfile<1, 1, [SDTCisVT<0, i32>,
35 def SDT_LanaiBrCC : SDTypeProfile<0, 2, [SDTCisVT<0, OtherVT>,
37 def SDT_LanaiAdjDynAlloc : SDTypeProfile<1, 1, [SDTCisVT<0, i32>,
40 def Call : SDNode<"LanaiISD::CALL", SDT_LanaiCall,
41 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
43 def RetFlag : SDNode<"LanaiISD::RET_FLAG", SDTNone,
44 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
45 def CallSeqStart : SDNode<"ISD::CALLSEQ_START", SDT_LanaiCallSeqStart,
46 [SDNPHasChain, SDNPOutGlue]>;
47 def CallSeqEnd : SDNode<"ISD::CALLSEQ_END", SDT_LanaiCallSeqEnd,
48 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
49 def LanaiSetFlag : SDNode<"LanaiISD::SET_FLAG", SDT_LanaiSetFlag,
51 def LanaiSubbF : SDNode<"LanaiISD::SUBBF", SDT_LanaiSetFlag,
52 [SDNPOutGlue, SDNPInGlue]>;
53 def LanaiBrCC : SDNode<"LanaiISD::BR_CC", SDT_LanaiBrCC,
54 [SDNPHasChain, SDNPInGlue]>;
55 def LanaiSelectCC : SDNode<"LanaiISD::SELECT_CC", SDT_LanaiSelectCC,
57 def LanaiSetCC : SDNode<"LanaiISD::SETCC", SDT_LanaiSetCC,
59 def LanaiHi : SDNode<"LanaiISD::HI", SDTIntUnaryOp>;
60 def LanaiLo : SDNode<"LanaiISD::LO", SDTIntUnaryOp>;
61 def LanaiSmall : SDNode<"LanaiISD::SMALL", SDTIntUnaryOp>;
62 def LanaiAdjDynAlloc : SDNode<"LanaiISD::ADJDYNALLOC", SDT_LanaiAdjDynAlloc>;
64 // Extract bits 0-15 (low-end) of an immediate value.
65 def LO16 : SDNodeXForm<imm, [{
66 return CurDAG->getTargetConstant((uint64_t)N->getZExtValue() & 0xffff,
70 // Extract bits 16-31 (high-end) of an immediate value.
71 // Transformation function: shift the immediate value down into the low bits.
72 def HI16 : SDNodeXForm<imm, [{
73 return CurDAG->getTargetConstant((uint64_t)N->getZExtValue() >> 16, SDLoc(N),
77 def NEG : SDNodeXForm<imm, [{
78 return CurDAG->getTargetConstant(-N->getSExtValue(), SDLoc(N), MVT::i32);
81 def LO21 : SDNodeXForm<imm, [{
82 return CurDAG->getTargetConstant((uint64_t)N->getZExtValue() & 0x1fffff,
87 def BrTargetAsmOperand : AsmOperandClass {
88 let Name = "BrTarget";
90 def BrTarget : Operand<OtherVT> {
91 let ParserMatchClass = BrTargetAsmOperand;
92 let EncoderMethod = "getBranchTargetOpValue";
93 let DecoderMethod = "decodeBranch";
96 def CallTargetAsmOperand : AsmOperandClass {
97 let Name = "CallTarget";
99 def CallTarget : Operand<i32> {
100 let ParserMatchClass = CallTargetAsmOperand;
101 let EncoderMethod = "getBranchTargetOpValue";
102 let DecoderMethod = "decodeBranch";
105 def ImmShiftAsmOperand : AsmOperandClass { let Name = "ImmShift"; }
106 def immShift : Operand<i32>, PatLeaf<(imm), [{
107 int Imm = N->getSExtValue();
108 return Imm >= -31 && Imm <= 31;}]> {
109 let ParserMatchClass = ImmShiftAsmOperand;
110 let DecoderMethod = "decodeShiftImm";
113 def Imm10AsmOperand : AsmOperandClass { let Name = "Imm10"; }
114 def imm10 : Operand<i32>, PatLeaf<(imm), [{
115 return isInt<10>(N->getSExtValue()); }]> {
116 let ParserMatchClass = Imm10AsmOperand;
119 def LoImm16AsmOperand : AsmOperandClass { let Name = "LoImm16"; }
120 def i32lo16z : Operand<i32>, PatLeaf<(i32 imm), [{
121 // i32lo16 predicate - true if the 32-bit immediate has only rightmost 16
123 return ((N->getZExtValue() & 0xFFFFUL) == N->getZExtValue());}], LO16> {
124 let ParserMatchClass = LoImm16AsmOperand;
126 def i32neg16 : Operand<i32>, PatLeaf<(i32 imm), [{
127 // i32neg16 predicate - true if the 32-bit immediate is negative and can
128 // be represented by a 16 bit integer.
129 int Imm = N->getSExtValue();
130 return (Imm < 0) && (isInt<16>(Imm));}], LO16> {
131 let ParserMatchClass = LoImm16AsmOperand;
133 def i32lo16s : Operand<i32>, PatLeaf<(i32 imm), [{
134 // i32lo16 predicate - true if the 32-bit immediate has only rightmost 16
136 return ((int64_t)(N->getSExtValue() & 0xFFFFUL) == N->getSExtValue());}], LO16> {
137 let ParserMatchClass = LoImm16AsmOperand;
140 def LoImm16AndAsmOperand : AsmOperandClass { let Name = "LoImm16And"; }
141 def i32lo16and : Operand<i32>, PatLeaf<(i32 imm), [{
142 // i32lo16 predicate - true if the 32-bit immediate has the rightmost 16
143 // bits set and the leftmost 16 bits 1's.
144 return (N->getZExtValue() >= 0xFFFF0000UL);}], LO16> {
145 let ParserMatchClass = LoImm16AndAsmOperand;
146 let PrintMethod = "printLo16AndImmOperand";
149 def HiImm16AsmOperand : AsmOperandClass { let Name = "HiImm16"; }
150 def i32hi16 : Operand<i32>, PatLeaf<(i32 imm), [{
151 // i32hi16 predicate - true if the 32-bit immediate has only leftmost 16
153 return ((N->getZExtValue() & 0xFFFF0000UL) == N->getZExtValue());}], HI16> {
154 let ParserMatchClass = HiImm16AsmOperand;
155 let PrintMethod = "printHi16ImmOperand";
158 def HiImm16AndAsmOperand : AsmOperandClass { let Name = "HiImm16And"; }
159 def i32hi16and : Operand<i32>, PatLeaf<(i32 imm), [{
160 // i32lo16 predicate - true if the 32-bit immediate has the leftmost 16
161 // bits set and the rightmost 16 bits 1's.
162 return ((N->getZExtValue() & 0xFFFFUL) == 0xFFFFUL);}], HI16> {
163 let ParserMatchClass = HiImm16AndAsmOperand;
164 let PrintMethod = "printHi16AndImmOperand";
167 def LoImm21AsmOperand : AsmOperandClass { let Name = "LoImm21"; }
168 def i32lo21 : Operand<i32>, PatLeaf<(i32 imm), [{
169 // i32lo21 predicate - true if the 32-bit immediate has only rightmost 21
171 return ((N->getZExtValue() & 0x1FFFFFUL) == N->getZExtValue());}], LO21> {
172 let ParserMatchClass = LoImm21AsmOperand;
175 def AluOp : Operand<i32> {
176 let PrintMethod = "printAluOperand";
180 def ADDRrr : ComplexPattern<i32, 3, "selectAddrRr", [], []>;
181 def ADDRri : ComplexPattern<i32, 3, "selectAddrRi", [frameindex], []>;
182 def ADDRsls : ComplexPattern<i32, 1, "selectAddrSls", [frameindex], []>;
183 def ADDRspls : ComplexPattern<i32, 3, "selectAddrSpls", [frameindex], []>;
186 def MemRegImmAsmOperand : AsmOperandClass {
187 let Name = "MemRegImm";
188 let ParserMethod = "parseMemoryOperand";
190 def MEMri : Operand<i32> {
191 let DecoderMethod = "decodeRiMemoryValue";
192 let EncoderMethod = "getRiMemoryOpValue";
193 let MIOperandInfo = (ops GPR:$base, i32lo16s:$offset, AluOp:$Opcode);
194 let ParserMatchClass = MemRegImmAsmOperand;
195 let PrintMethod = "printMemRiOperand";
198 def MemRegRegAsmOperand : AsmOperandClass {
199 let Name = "MemRegReg";
200 let ParserMethod = "parseMemoryOperand";
202 def MEMrr : Operand<i32> {
203 let DecoderMethod = "decodeRrMemoryValue";
204 let EncoderMethod = "getRrMemoryOpValue";
205 let MIOperandInfo = (ops GPR:$Op1, GPR:$Op2, AluOp:$Opcode);
206 let ParserMatchClass = MemRegRegAsmOperand;
207 let PrintMethod = "printMemRrOperand";
210 def MemImmAsmOperand : AsmOperandClass {
212 let ParserMethod = "parseMemoryOperand";
214 def MEMi : Operand<i32> {
215 let MIOperandInfo = (ops i32lo21:$offset);
216 let ParserMatchClass = MemImmAsmOperand;
217 let PrintMethod = "printMemImmOperand";
220 def MemSplsAsmOperand : AsmOperandClass {
221 let Name = "MemSpls";
222 let ParserMethod = "parseMemoryOperand";
224 def MEMspls : Operand<i32> {
225 let DecoderMethod = "decodeSplsValue";
226 let EncoderMethod = "getSplsOpValue";
227 let MIOperandInfo = (ops GPR:$base, imm10:$offset, AluOp:$Opcode);
228 let ParserMatchClass = MemSplsAsmOperand;
229 let PrintMethod = "printMemSplsOperand";
232 def CCOp : Operand<i32> {
233 let PrintMethod = "printCCOperand";
236 // Predicate operand. Default to 0 = true.
237 def CondCodeOperand : AsmOperandClass { let Name = "CondCode"; }
239 def pred : PredicateOperand<i32, (ops i32imm), (ops (i32 0))> {
240 let PrintMethod = "printPredicateOperand";
241 let ParserMatchClass = CondCodeOperand;
242 let DecoderMethod = "decodePredicateOperand";
245 let hasSideEffects = 0, Inst = 0x00000001 in
246 def NOP : InstLanai<(outs), (ins), "nop", []>;
248 // Special NOPs to change logging level in vlanai.
249 let hasSideEffects = 0, Inst = 0x00000002 in
250 def LOG0 : InstLanai<(outs), (ins), "log_0", []>;
251 let hasSideEffects = 0, Inst = 0x00000003 in
252 def LOG1 : InstLanai<(outs), (ins), "log_1", []>;
253 let hasSideEffects = 0, Inst = 0x00000004 in
254 def LOG2 : InstLanai<(outs), (ins), "log_2", []>;
255 let hasSideEffects = 0, Inst = 0x00000005 in
256 def LOG3 : InstLanai<(outs), (ins), "log_3", []>;
257 let hasSideEffects = 0, Inst = 0x00000006 in
258 def LOG4 : InstLanai<(outs), (ins), "log_4", []>;
260 // Map an SPLS instruction onto itself. All other instructions will be mapped
261 // onto -1. Used to identify SPLS instructions.
262 def splsIdempotent : InstrMapping {
263 let FilterClass = "InstSPLS";
264 let RowFields = ["AsmString"];
265 let ColFields = ["PostEncoderMethod"];
266 let KeyCol = ["adjustPqBitsSpls"];
267 let ValueCols = [["adjustPqBitsSpls"]];
270 // -------------------------------------------------- //
272 // -------------------------------------------------- //
273 multiclass ALUbase<bits<3> subOp, string AsmStr, SDNode OpNode,
274 PatLeaf LoExt, PatLeaf HiExt,
275 list<dag> loPattern, list<dag> hiPattern> {
276 // Register Immediate
278 def LO : InstRI<subOp, (outs GPR:$Rd), (ins GPR:$Rs1, LoExt:$imm16),
279 !strconcat(AsmStr, "\t$Rs1, $imm16, $Rd"),
282 def HI : InstRI<subOp, (outs GPR:$Rd), (ins GPR:$Rs1, HiExt:$imm16),
283 !strconcat(AsmStr, "\t$Rs1, $imm16, $Rd"),
288 multiclass ALUarith<bits<3> subOp, string AsmStr, SDNode OpNode,
289 PatLeaf LoExt, PatLeaf HiExt> {
290 defm I_ : ALUbase<subOp, AsmStr, OpNode, LoExt, HiExt, [], []>;
294 def R : InstRR<subOp, (outs GPR:$Rd), (ins GPR:$Rs1, GPR:$Rs2, pred:$DDDI),
295 !strconcat(AsmStr, "$DDDI\t$Rs1, $Rs2, $Rd"),
296 [(set GPR:$Rd, (OpNode GPR:$Rs1, GPR:$Rs2))]>;
299 multiclass ALUlogic<bits<3> subOp, string AsmStr, SDNode OpNode,
300 PatLeaf LoExt, PatLeaf HiExt> {
301 defm I_ : ALUbase<subOp, AsmStr, OpNode, LoExt, HiExt,
302 [(set GPR:$Rd, (OpNode GPR:$Rs1, LoExt:$imm16))],
303 [(set GPR:$Rd, (OpNode GPR:$Rs1, HiExt:$imm16))]>;
307 def R : InstRR<subOp, (outs GPR:$Rd), (ins GPR:$Rs1, GPR:$Rs2, pred:$DDDI),
308 !strconcat(AsmStr, "$DDDI\t$Rs1, $Rs2, $Rd"),
309 [(set GPR:$Rd, (OpNode GPR:$Rs1, GPR:$Rs2))]>;
312 // Non flag setting ALU operations
313 let isAsCheapAsAMove = 1, F = 0 in {
314 let isCommutable = 1 in {
315 defm ADD_ : ALUarith<0b000, "add", add, i32lo16z, i32hi16>;
317 defm SUB_ : ALUarith<0b010, "sub", sub, i32lo16z, i32hi16>;
318 let isCommutable = 1 in {
319 defm AND_ : ALUlogic<0b100, "and", and, i32lo16and, i32hi16and>;
320 defm OR_ : ALUlogic<0b101, "or", or, i32lo16z, i32hi16>;
321 defm XOR_ : ALUlogic<0b110, "xor", xor, i32lo16z, i32hi16>;
325 def : Pat<(add GPR:$Rs1, i32lo16z:$imm),
326 (ADD_I_LO GPR:$Rs1, i32lo16z:$imm)>;
328 def : Pat<(sub GPR:$Rs1, i32lo16z:$imm),
329 (SUB_I_LO GPR:$Rs1, i32lo16z:$imm)>;
331 def : Pat<(add GPR:$Rs1, i32hi16:$imm),
332 (ADD_I_HI GPR:$Rs1, i32hi16:$imm)>;
334 def : Pat<(sub GPR:$Rs1, i32hi16:$imm),
335 (SUB_I_HI GPR:$Rs1, i32hi16:$imm)>;
337 def : Pat<(i32 i32lo16and:$imm), (AND_I_LO (i32 R1), i32lo16and:$imm)>;
338 def : Pat<(i32 i32hi16and:$imm), (AND_I_HI (i32 R1), i32hi16and:$imm)>;
340 // Change add/sub with negative number to sub/add
341 def : Pat<(add GPR:$Rs1, i32neg16:$imm),
342 (SUB_I_LO GPR:$Rs1, (NEG $imm))>;
343 def : Pat<(sub GPR:$Rs1, i32neg16:$imm),
344 (ADD_I_LO GPR:$Rs1, (NEG $imm))>;
346 // Flag (incl. carry) setting addition and subtraction
347 let F = 1, Defs = [SR] in {
348 defm ADD_F_ : ALUarith<0b000, "add.f", addc, i32lo16z, i32hi16>;
349 defm SUB_F_ : ALUarith<0b010, "sub.f", subc, i32lo16z, i32hi16>;
352 def : Pat<(addc GPR:$Rs1, i32lo16z:$imm),
353 (ADD_F_I_LO GPR:$Rs1, i32lo16z:$imm)>;
355 def : Pat<(subc GPR:$Rs1, i32lo16z:$imm),
356 (SUB_F_I_LO GPR:$Rs1, i32lo16z:$imm)>;
358 def : Pat<(addc GPR:$Rs1, i32hi16:$imm),
359 (ADD_F_I_HI GPR:$Rs1, i32hi16:$imm)>;
361 def : Pat<(subc GPR:$Rs1, i32hi16:$imm),
362 (SUB_F_I_HI GPR:$Rs1, i32hi16:$imm)>;
364 // Carry using addition and subtraction
365 let F = 0, Uses = [SR] in {
366 defm ADDC_ : ALUarith<0b001, "addc", adde, i32lo16z, i32hi16>;
367 defm SUBB_ : ALUarith<0b011, "subb", sube, i32lo16z, i32hi16>;
370 def : Pat<(adde GPR:$Rs1, i32lo16z:$imm),
371 (ADDC_I_LO GPR:$Rs1, i32lo16z:$imm)>;
373 def : Pat<(sube GPR:$Rs1, i32lo16z:$imm),
374 (SUBB_I_LO GPR:$Rs1, i32lo16z:$imm)>;
376 def : Pat<(adde GPR:$Rs1, i32hi16:$imm),
377 (ADDC_I_HI GPR:$Rs1, i32hi16:$imm)>;
379 def : Pat<(sube GPR:$Rs1, i32hi16:$imm),
380 (SUBB_I_HI GPR:$Rs1, i32hi16:$imm)>;
382 // Flag setting ALU operations
383 let isAsCheapAsAMove = 1, F = 1, Defs = [SR] in {
384 let isCommutable = 1 in {
385 defm AND_F_ : ALUlogic<0b100, "and.f", and, i32lo16and, i32hi16and>;
386 defm OR_F_ : ALUlogic<0b101, "or.f", or, i32lo16z, i32hi16>;
387 defm XOR_F_ : ALUlogic<0b110, "xor.f", xor, i32lo16z, i32hi16>;
391 let isAsCheapAsAMove = 1, F = 1, Defs = [SR], Uses = [SR] in {
392 defm ADDC_F_ : ALUarith<0b001, "addc.f", adde, i32lo16z, i32hi16>;
393 defm SUBB_F_ : ALUarith<0b011, "subb.f", sube, i32lo16z, i32hi16>;
396 def : Pat<(LanaiSubbF GPR:$Rs1, GPR:$Rs2),
397 (SUBB_F_R GPR:$Rs1, GPR:$Rs2)>;
399 def : Pat<(LanaiSubbF GPR:$Rs1, i32lo16z:$imm),
400 (SUBB_F_I_LO GPR:$Rs1, i32lo16z:$imm)>;
402 def : Pat<(LanaiSubbF GPR:$Rs1, i32hi16:$imm),
403 (SUBB_F_I_HI GPR:$Rs1, i32hi16:$imm)>;
405 def : InstAlias<"mov $src, $dst", (ADD_R GPR:$dst, GPR:$src, R0, 0)>;
407 let isAsCheapAsAMove = 1, Rs1 = R0.Num, isCodeGenOnly = 1, H = 1, F = 0,
408 isReMaterializable = 1 in
409 def MOVHI : InstRI<0b000, (outs GPR:$Rd), (ins i32hi16:$imm16),
411 [(set GPR:$Rd, i32hi16:$imm16)]>;
413 def : InstAlias<"mov $imm16, $dst", (ADD_I_LO GPR:$dst, R0, i32lo16z:$imm16)>;
414 def : InstAlias<"mov $imm16, $dst", (ADD_I_HI GPR:$dst, R0, i32hi16:$imm16)>;
415 def : InstAlias<"mov $imm16, $dst",
416 (AND_I_LO GPR:$dst, R1, i32lo16and:$imm16)>;
417 def : InstAlias<"mov $imm16, $dst",
418 (AND_I_HI GPR:$dst, R1, i32hi16and:$imm16)>;
420 // Shift instructions
421 class ShiftRI<string AsmStr, list<dag> Pattern>
422 : InstRI<0b111, (outs GPR:$Rd), (ins GPR:$Rs1, immShift:$imm16),
423 !strconcat(AsmStr, "\t$Rs1, $imm16, $Rd"), Pattern> {
424 let isReMaterializable = 1;
429 def SL_I : ShiftRI<"sh", [(set GPR:$Rd, (shl GPR:$Rs1, immShift:$imm16))]>;
431 def SA_I : ShiftRI<"sha", []>;
433 def : Pat<(srl GPR:$Rs1, immShift:$imm), (SL_I GPR:$Rs1, (NEG $imm))>;
434 def : Pat<(sra GPR:$Rs1, immShift:$imm), (SA_I GPR:$Rs1, (NEG $imm))>;
436 let F = 1, Defs = [SR] in {
438 def SL_F_I : ShiftRI<"sh.f", []>;
440 def SA_F_I : ShiftRI<"sha.f", []>;
443 class ShiftRR<string AsmStr, list<dag> Pattern>
444 : InstRR<0b111, (outs GPR:$Rd), (ins GPR:$Rs1, GPR:$Rs2, pred:$DDDI), AsmStr,
448 let JJJJJ = 0b10000 in
449 def SHL_R : ShiftRR<"sh$DDDI\t$Rs1, $Rs2, $Rd",
450 [(set GPR:$Rd, (shl GPR:$Rs1, GPR:$Rs2))]>;
451 let isCodeGenOnly = 1 in {
452 let JJJJJ = 0b10000 in
453 def SRL_R : ShiftRR<"sh$DDDI\t$Rs1, $Rs2, $Rd", []>;
455 let JJJJJ = 0b11000 in
456 def SRA_R : ShiftRR<"sha$DDDI\t$Rs1, $Rs2, $Rd", []>;
459 let F = 1, Defs = [SR] in {
460 let JJJJJ = 0b10000 in
461 def SHL_F_R : ShiftRR<"sh.f$DDDI\t$Rs1, $Rs2, $Rd", []>;
462 let isCodeGenOnly = 1 in {
463 let JJJJJ = 0b10000 in
464 def SRL_F_R : ShiftRR<"sh.f$DDDI\t$Rs1, $Rs2, $Rd", []>;
466 let JJJJJ = 0b11000 in
467 def SRA_F_R : ShiftRR<"sha.f$DDDI\t$Rs1, $Rs2, $Rd", []>;
470 // Expand shift-right operations
471 def : Pat<(srl GPR:$Rs1, GPR:$Rs2),
472 (SRL_R GPR:$Rs1, (SUB_R R0, GPR:$Rs2))>;
473 def : Pat<(sra GPR:$Rs1, GPR:$Rs2),
474 (SRA_R GPR:$Rs1, (SUB_R R0, GPR:$Rs2))>;
476 // -------------------------------------------------- //
478 // -------------------------------------------------- //
480 class LoadRR<string OpcString, PatFrag OpNode, ValueType Ty>
481 : InstRRM<0b0, (outs GPR:$Rd), (ins MEMrr:$src),
482 !strconcat(OpcString, "\t$src, $Rd"),
483 [(set (Ty GPR:$Rd), (OpNode ADDRrr:$src))]>,
487 let Rs1 = src{19-15};
488 let Rs2 = src{14-10};
492 let JJJJJ = src{4-0};
496 class LoadRI<string OpcString, PatFrag OpNode, ValueType Ty>
497 : InstRM<0b0, (outs GPR:$Rd), (ins MEMri:$src),
498 !strconcat(OpcString, "\t$src, $Rd"),
499 [(set (Ty GPR:$Rd), (OpNode ADDRri:$src))]>,
503 let Itinerary = IIC_LD;
504 let Rs1 = src{22-18};
507 let imm16 = src{15-0};
508 let isReMaterializable = 1;
514 // uld is used here and ld in the alias as the alias is printed out first if
516 def LDW_RI : LoadRI<"uld", load, i32>;
517 def LDW_RR : LoadRR<"ld", load, i32>;
521 def : InstAlias<"ld $src, $dst", (LDW_RI GPR:$dst, MEMri:$src)>;
525 def LDWz_RR : LoadRR<"uld", zextloadi32, i32>;
531 def LDHz_RR : LoadRR<"uld.h", zextloadi16, i32>;
533 def LDBz_RR : LoadRR<"uld.b", zextloadi8, i32>;
538 def LDHs_RR : LoadRR<"ld.h", sextloadi16, i32>;
540 def LDBs_RR : LoadRR<"ld.b", sextloadi8, i32>;
543 def LDADDR : InstSLS<0x0, (outs GPR:$Rd), (ins MEMi:$src),
545 [(set (i32 GPR:$Rd), (load ADDRsls:$src))]>,
549 let Itinerary = IIC_LD;
550 let msb = src{20-16};
552 let isReMaterializable = 1;
556 class LoadSPLS<string asmstring, PatFrag opNode>
557 : InstSPLS<(outs GPR:$Rd), (ins MEMspls:$src),
558 !strconcat(asmstring, "\t$src, $Rd"),
559 [(set (i32 GPR:$Rd), (opNode ADDRspls:$src))]>,
562 let Itinerary = IIC_LDSW;
563 let Rs1 = src{16-12};
566 let imm10 = src{9-0};
568 let isReMaterializable = 1;
571 let Y = 0, S = 0, E = 1 in
572 def LDHz_RI : LoadSPLS<"uld.h", zextloadi16>;
574 let Y = 0, S = 0, E = 0 in
575 def LDHs_RI : LoadSPLS<"ld.h", sextloadi16>;
577 let Y = 1, S = 0, E = 1 in
578 def LDBz_RI : LoadSPLS<"uld.b", zextloadi8>;
580 let Y = 1, S = 0, E = 0 in
581 def LDBs_RI : LoadSPLS<"ld.b", sextloadi8>;
583 def SLI : InstSLI<(outs GPR:$Rd), (ins i32lo21:$imm),
585 [(set GPR:$Rd, i32lo21:$imm)]> {
588 let msb = imm{20-16};
590 let isReMaterializable = 1;
591 let isAsCheapAsAMove = 1;
594 // -------------------------------------------------- //
595 // STORE instructions
596 // -------------------------------------------------- //
598 class StoreRR<string OpcString, PatFrag OpNode, ValueType Ty>
599 : InstRRM<0b1, (outs), (ins GPR:$Rd, MEMrr:$dst),
600 !strconcat(OpcString, "\t$Rd, $dst"),
601 [(OpNode (Ty GPR:$Rd), ADDRrr:$dst)]>,
605 let Itinerary = IIC_ST;
606 let Rs1 = dst{19-15};
607 let Rs2 = dst{14-10};
611 let JJJJJ = dst{4-0};
615 class StoreRI<string OpcString, PatFrag OpNode, ValueType Ty>
616 : InstRM<0b1, (outs), (ins GPR:$Rd, MEMri:$dst),
617 !strconcat(OpcString, "\t$Rd, $dst"),
618 [(OpNode (Ty GPR:$Rd), ADDRri:$dst)]>,
622 let Itinerary = IIC_ST;
623 let Rs1 = dst{22-18};
626 let imm16 = dst{15-0};
630 let YL = 0b01, E = 0 in {
631 def SW_RR : StoreRR<"st", store, i32>;
632 def SW_RI : StoreRI<"st", store, i32>;
637 def STH_RR : StoreRR<"st.h", truncstorei16, i32>;
639 def STB_RR : StoreRR<"st.b", truncstorei8, i32>;
642 def STADDR : InstSLS<0x1, (outs), (ins GPR:$Rd, MEMi:$dst),
644 [(store (i32 GPR:$Rd), ADDRsls:$dst)]>,
648 let Itinerary = IIC_ST;
649 let msb = dst{20-16};
654 class StoreSPLS<string asmstring, PatFrag opNode>
655 : InstSPLS<(outs), (ins GPR:$Rd, MEMspls:$dst),
656 !strconcat(asmstring, "\t$Rd, $dst"),
657 [(opNode (i32 GPR:$Rd), ADDRspls:$dst)]>,
661 let Itinerary = IIC_STSW;
662 let Rs1 = dst{16-12};
665 let imm10 = dst{9-0};
669 let Y = 0, S = 1, E = 0 in
670 def STH_RI : StoreSPLS<"st.h", truncstorei16>;
672 let Y = 1, S = 1, E = 0 in
673 def STB_RI : StoreSPLS<"st.b", truncstorei8>;
675 // -------------------------------------------------- //
676 // BRANCH instructions
677 // -------------------------------------------------- //
679 let isBranch = 1, isBarrier = 1, isTerminator = 1, hasDelaySlot = 1 in {
680 def BT : InstBR<(outs), (ins BrTarget:$addr),
686 def BRCC : InstBR<(outs), (ins BrTarget:$addr, CCOp:$DDDI),
688 [(LanaiBrCC bb:$addr, imm:$DDDI)]>;
690 let isIndirectBranch = 1 in {
691 def JR : InstRR<0b101, (outs), (ins GPR:$Rs2), "bt\t$Rs2",
692 [(brind GPR:$Rs2)]> {
702 // -------------------------------------------------- //
703 // Condition/SF instructions
704 // -------------------------------------------------- //
706 // Instructions to set flags used in lowering comparisons.
707 multiclass SF<bits<3> op2Val, string AsmStr> {
708 let F = 1, Rd = R0.Num, JJJJJ = 0, Defs = [SR], DDDI = 0 in
709 def _RR : InstRR<op2Val, (outs), (ins GPR:$Rs1, GPR:$Rs2),
710 !strconcat(AsmStr, "\t$Rs1, $Rs2, %r0"),
711 [(LanaiSetFlag (i32 GPR:$Rs1), (i32 GPR:$Rs2))]>;
712 let F = 1, Rd = R0.Num, H = 0, Defs = [SR] in
713 def _RI_LO : InstRI<op2Val, (outs), (ins GPR:$Rs1, i32lo16z:$imm16),
714 !strconcat(AsmStr, "\t$Rs1, $imm16, %r0"),
715 [(LanaiSetFlag (i32 GPR:$Rs1), i32lo16z:$imm16)]>;
716 let F = 1, Rd = R0.Num, H = 1, Defs = [SR] in
717 def _RI_HI : InstRI<op2Val, (outs), (ins GPR:$Rs1, i32hi16:$imm16),
718 !strconcat(AsmStr, "\t$Rs1, $imm16, %r0"),
719 [(LanaiSetFlag (i32 GPR:$Rs1), i32hi16:$imm16)]>;
721 let isCodeGenOnly = 1, isCompare = 1 in {
722 defm SFSUB_F : SF<0b010, "sub.f">;
726 let isCall = 1, hasDelaySlot = 1, isCodeGenOnly = 1, Uses = [SP],
728 def CALL : Pseudo<(outs), (ins CallTarget:$addr), "", []>;
729 def CALLR : Pseudo<(outs), (ins GPR:$Rs1), "", [(Call GPR:$Rs1)]>;
732 let isReturn = 1, isTerminator = 1, hasDelaySlot = 1, isBarrier = 1,
734 def RET : InstRM<0b0, (outs), (ins),
735 "ld\t-4[%fp], %pc ! return",
743 // Post encoding is not needed for RET.
744 let PostEncoderMethod = "";
748 // ADJCALLSTACKDOWN/UP implicitly use/def SP because they may be expanded into
749 // a stack adjustment and the codegen must know that they may modify the stack
750 // pointer before prolog-epilog rewriting occurs.
751 // Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
752 // sub / add which can clobber SP.
753 let Defs = [SP], Uses = [SP] in {
754 def ADJCALLSTACKDOWN : Pseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
755 "#ADJCALLSTACKDOWN $amt1 $amt2",
756 [(CallSeqStart timm:$amt1, timm:$amt2)]>;
757 def ADJCALLSTACKUP : Pseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
758 "#ADJCALLSTACKUP $amt1 $amt2",
759 [(CallSeqEnd timm:$amt1, timm:$amt2)]>;
762 let Defs = [SP], Uses = [SP] in {
763 def ADJDYNALLOC : Pseudo<(outs GPR:$dst), (ins GPR:$src),
764 "#ADJDYNALLOC $dst $src",
765 [(set GPR:$dst, (LanaiAdjDynAlloc GPR:$src))]>;
769 def SCC : InstSCC<(outs GPR:$Rs1), (ins CCOp:$DDDI),
771 [(set (i32 GPR:$Rs1), (LanaiSetCC imm:$DDDI))]>;
774 // Select with hardware support
775 let Uses = [SR], isSelect = 1 in {
776 def SELECT : InstRR<0b111, (outs GPR:$Rd),
777 (ins GPR:$Rs1, GPR:$Rs2, CCOp:$DDDI),
778 "sel.$DDDI $Rs1, $Rs2, $Rd",
780 (LanaiSelectCC (i32 GPR:$Rs1), (i32 GPR:$Rs2),
787 let isBranch = 1, isBarrier = 1, isTerminator = 1, hasDelaySlot = 1,
788 isIndirectBranch = 1, Uses = [SR] in {
789 def BRIND_CC : InstRR<0b101, (outs), (ins GPR:$Rs1, CCOp:$DDDI),
790 "b$DDDI\t$Rs1", []> {
797 def BRIND_CCA : InstRR<0b101, (outs), (ins GPR:$Rs1, GPR:$Rs2, CCOp:$DDDI),
798 "b${DDDI}\t$Rs1 add $Rs2", []> {
805 // TODO: This only considers the case where BROFF is an immediate and not where
806 // it is a register. Add support for register relative branching.
807 let isBranch = 1, isBarrier = 1, isTerminator = 1, hasDelaySlot = 1, Rs1 = 0,
809 def BRR : InstBRR<(outs), (ins i16imm:$imm16, CCOp:$DDDI),
810 "b${DDDI}.r\t$imm16", []>;
813 // Population Count (POPC)
814 def POPC: InstSpecial<0b001, (outs GPR:$Rd), (ins GPR:$Rs1),
816 [(set GPR:$Rd, (ctpop GPR:$Rs1))]>;
818 // Count Leading Zeros (LEADZ)
819 def LEADZ: InstSpecial<0b010, (outs GPR:$Rd), (ins GPR:$Rs1),
820 "leadz\t$Rs1, $Rd", [(set GPR:$Rd, (ctlz GPR:$Rs1))]>;
822 // Count Trailing Zeros (TRAILZ)
823 def TRAILZ : InstSpecial<0b011, (outs GPR:$Rd), (ins GPR:$Rs1),
825 [(set GPR:$Rd, (cttz GPR:$Rs1))]>;
828 //===----------------------------------------------------------------------===//
829 // Non-Instruction Patterns
830 //===----------------------------------------------------------------------===//
832 // unsigned 16-bit immediate
833 def : Pat<(i32 i32lo16z:$imm), (OR_I_LO (i32 R0), imm:$imm)>;
835 // arbitrary immediate
836 def : Pat<(i32 imm:$imm), (OR_I_LO (MOVHI (HI16 imm:$imm)), (LO16 imm:$imm))>;
839 def : Pat<(Call tglobaladdr:$dst), (CALL tglobaladdr:$dst)>;
840 def : Pat<(Call texternalsym:$dst), (CALL texternalsym:$dst)>;
843 def : Pat<(extloadi8 ADDRspls:$src), (i32 (LDBz_RI ADDRspls:$src))>;
844 def : Pat<(extloadi16 ADDRspls:$src), (i32 (LDHz_RI ADDRspls:$src))>;
845 // Loads up to 32-bits are already atomic.
846 // TODO: This is a workaround for a particular failing case and should be
847 // handled more generally.
848 def : Pat<(atomic_load_8 ADDRspls:$src), (i32 (LDBz_RI ADDRspls:$src))>;
850 // GlobalAddress, ExternalSymbol, Jumptable, ConstantPool
851 def : Pat<(LanaiHi tglobaladdr:$dst), (MOVHI tglobaladdr:$dst)>;
852 def : Pat<(LanaiLo tglobaladdr:$dst), (OR_I_LO (i32 R0), tglobaladdr:$dst)>;
853 def : Pat<(LanaiSmall tglobaladdr:$dst), (SLI tglobaladdr:$dst)>;
854 def : Pat<(LanaiHi texternalsym:$dst), (MOVHI texternalsym:$dst)>;
855 def : Pat<(LanaiLo texternalsym:$dst), (OR_I_LO (i32 R0), texternalsym:$dst)>;
856 def : Pat<(LanaiSmall texternalsym:$dst), (SLI texternalsym:$dst)>;
857 def : Pat<(LanaiHi tblockaddress:$dst), (MOVHI tblockaddress:$dst)>;
858 def : Pat<(LanaiLo tblockaddress:$dst), (OR_I_LO (i32 R0), tblockaddress:$dst)>;
859 def : Pat<(LanaiSmall tblockaddress:$dst), (SLI tblockaddress:$dst)>;
860 def : Pat<(LanaiHi tjumptable:$dst), (MOVHI tjumptable:$dst)>;
861 def : Pat<(LanaiLo tjumptable:$dst), (OR_I_LO (i32 R0), tjumptable:$dst)>;
862 def : Pat<(LanaiSmall tjumptable:$dst), (SLI tjumptable:$dst)>;
863 def : Pat<(LanaiHi tconstpool:$dst), (MOVHI tconstpool:$dst)>;
864 def : Pat<(LanaiLo tconstpool:$dst), (OR_I_LO (i32 R0), tconstpool:$dst)>;
865 def : Pat<(LanaiSmall tconstpool:$dst), (SLI tconstpool:$dst)>;
867 def : Pat<(or GPR:$hi, (LanaiLo tglobaladdr:$lo)),
868 (OR_I_LO GPR:$hi, tglobaladdr:$lo)>;
869 def : Pat<(or R0, (LanaiSmall tglobaladdr:$small)),
870 (SLI tglobaladdr:$small)>;
871 def : Pat<(or GPR:$hi, (LanaiLo texternalsym:$lo)),
872 (OR_I_LO GPR:$hi, texternalsym:$lo)>;
873 def : Pat<(or R0, (LanaiSmall texternalsym:$small)),
874 (SLI texternalsym:$small)>;
875 def : Pat<(or GPR:$hi, (LanaiLo tblockaddress:$lo)),
876 (OR_I_LO GPR:$hi, tblockaddress:$lo)>;
877 def : Pat<(or R0, (LanaiSmall tblockaddress:$small)),
878 (SLI tblockaddress:$small)>;
879 def : Pat<(or GPR:$hi, (LanaiLo tjumptable:$lo)),
880 (OR_I_LO GPR:$hi, tjumptable:$lo)>;
881 def : Pat<(or R0, (LanaiSmall tjumptable:$small)),
882 (SLI tjumptable:$small)>;
883 def : Pat<(or GPR:$hi, (LanaiLo tconstpool:$lo)),
884 (OR_I_LO GPR:$hi, tconstpool:$lo)>;
885 def : Pat<(or R0, (LanaiSmall tconstpool:$small)),
886 (SLI tconstpool:$small)>;