1 //===- MipsInstrInfo.td - Target Description for Mips Target -*- 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 // This file contains the Mips implementation of the TargetInstrInfo class.
12 //===----------------------------------------------------------------------===//
15 //===----------------------------------------------------------------------===//
16 // Mips profiles and nodes
17 //===----------------------------------------------------------------------===//
19 def SDT_MipsJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
20 def SDT_MipsCMov : SDTypeProfile<1, 4, [SDTCisSameAs<0, 1>,
24 def SDT_MipsCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
25 def SDT_MipsCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
26 def SDT_MipsMAddMSub : SDTypeProfile<0, 4,
27 [SDTCisVT<0, i32>, SDTCisSameAs<0, 1>,
30 def SDT_MipsDivRem : SDTypeProfile<0, 2,
34 def SDT_MipsThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
36 def SDT_Sync : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
38 def SDT_Ext : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
39 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>]>;
40 def SDT_Ins : SDTypeProfile<1, 4, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
41 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>,
44 def SDTMipsLoadLR : SDTypeProfile<1, 2,
45 [SDTCisInt<0>, SDTCisPtrTy<1>,
49 def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink,
50 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
54 def MipsTailCall : SDNode<"MipsISD::TailCall", SDT_MipsJmpLink,
55 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
57 // Hi and Lo nodes are used to handle global addresses. Used on
58 // MipsISelLowering to lower stuff like GlobalAddress, ExternalSymbol
59 // static model. (nothing to do with Mips Registers Hi and Lo)
60 def MipsHi : SDNode<"MipsISD::Hi", SDTIntUnaryOp>;
61 def MipsLo : SDNode<"MipsISD::Lo", SDTIntUnaryOp>;
62 def MipsGPRel : SDNode<"MipsISD::GPRel", SDTIntUnaryOp>;
64 // TlsGd node is used to handle General Dynamic TLS
65 def MipsTlsGd : SDNode<"MipsISD::TlsGd", SDTIntUnaryOp>;
67 // TprelHi and TprelLo nodes are used to handle Local Exec TLS
68 def MipsTprelHi : SDNode<"MipsISD::TprelHi", SDTIntUnaryOp>;
69 def MipsTprelLo : SDNode<"MipsISD::TprelLo", SDTIntUnaryOp>;
72 def MipsThreadPointer: SDNode<"MipsISD::ThreadPointer", SDT_MipsThreadPointer>;
75 def MipsRet : SDNode<"MipsISD::Ret", SDTNone, [SDNPHasChain, SDNPOptInGlue]>;
77 // These are target-independent nodes, but have target-specific formats.
78 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
79 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
80 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
81 [SDNPHasChain, SDNPSideEffect,
82 SDNPOptInGlue, SDNPOutGlue]>;
85 def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub,
86 [SDNPOptInGlue, SDNPOutGlue]>;
87 def MipsMAddu : SDNode<"MipsISD::MAddu", SDT_MipsMAddMSub,
88 [SDNPOptInGlue, SDNPOutGlue]>;
89 def MipsMSub : SDNode<"MipsISD::MSub", SDT_MipsMAddMSub,
90 [SDNPOptInGlue, SDNPOutGlue]>;
91 def MipsMSubu : SDNode<"MipsISD::MSubu", SDT_MipsMAddMSub,
92 [SDNPOptInGlue, SDNPOutGlue]>;
95 def MipsDivRem : SDNode<"MipsISD::DivRem", SDT_MipsDivRem,
97 def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsDivRem,
100 // Target constant nodes that are not part of any isel patterns and remain
101 // unchanged can cause instructions with illegal operands to be emitted.
102 // Wrapper node patterns give the instruction selector a chance to replace
103 // target constant nodes that would otherwise remain unchanged with ADDiu
104 // nodes. Without these wrapper node patterns, the following conditional move
105 // instrucion is emitted when function cmov2 in test/CodeGen/Mips/cmov.ll is
107 // movn %got(d)($gp), %got(c)($gp), $4
108 // This instruction is illegal since movn can take only register operands.
110 def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntBinOp>;
112 def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain,SDNPSideEffect]>;
114 def MipsExt : SDNode<"MipsISD::Ext", SDT_Ext>;
115 def MipsIns : SDNode<"MipsISD::Ins", SDT_Ins>;
117 def MipsLWL : SDNode<"MipsISD::LWL", SDTMipsLoadLR,
118 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
119 def MipsLWR : SDNode<"MipsISD::LWR", SDTMipsLoadLR,
120 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
121 def MipsSWL : SDNode<"MipsISD::SWL", SDTStore,
122 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
123 def MipsSWR : SDNode<"MipsISD::SWR", SDTStore,
124 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
125 def MipsLDL : SDNode<"MipsISD::LDL", SDTMipsLoadLR,
126 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
127 def MipsLDR : SDNode<"MipsISD::LDR", SDTMipsLoadLR,
128 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
129 def MipsSDL : SDNode<"MipsISD::SDL", SDTStore,
130 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
131 def MipsSDR : SDNode<"MipsISD::SDR", SDTStore,
132 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
134 //===----------------------------------------------------------------------===//
135 // Mips Instruction Predicate Definitions.
136 //===----------------------------------------------------------------------===//
137 def HasSEInReg : Predicate<"Subtarget.hasSEInReg()">,
138 AssemblerPredicate<"FeatureSEInReg">;
139 def HasBitCount : Predicate<"Subtarget.hasBitCount()">,
140 AssemblerPredicate<"FeatureBitCount">;
141 def HasSwap : Predicate<"Subtarget.hasSwap()">,
142 AssemblerPredicate<"FeatureSwap">;
143 def HasCondMov : Predicate<"Subtarget.hasCondMov()">,
144 AssemblerPredicate<"FeatureCondMov">;
145 def HasFPIdx : Predicate<"Subtarget.hasFPIdx()">,
146 AssemblerPredicate<"FeatureFPIdx">;
147 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
148 AssemblerPredicate<"FeatureMips32">;
149 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
150 AssemblerPredicate<"FeatureMips32r2">;
151 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
152 AssemblerPredicate<"FeatureMips64">;
153 def NotMips64 : Predicate<"!Subtarget.hasMips64()">,
154 AssemblerPredicate<"!FeatureMips64">;
155 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
156 AssemblerPredicate<"FeatureMips64r2">;
157 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
158 AssemblerPredicate<"FeatureN64">;
159 def NotN64 : Predicate<"!Subtarget.isABI_N64()">,
160 AssemblerPredicate<"!FeatureN64">;
161 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
162 AssemblerPredicate<"FeatureMips16">;
163 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
164 AssemblerPredicate<"FeatureMips32">;
165 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
166 AssemblerPredicate<"FeatureMips32">;
167 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">,
168 AssemblerPredicate<"FeatureMips32">;
169 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
170 AssemblerPredicate<"!FeatureMips16">;
172 class MipsPat<dag pattern, dag result> : Pat<pattern, result> {
173 let Predicates = [HasStdEnc];
190 bit isTerminator = 1;
193 bit hasExtraSrcRegAllocReq = 1;
194 bit isCodeGenOnly = 1;
197 class IsAsCheapAsAMove {
198 bit isAsCheapAsAMove = 1;
201 class NeverHasSideEffects {
202 bit neverHasSideEffects = 1;
205 //===----------------------------------------------------------------------===//
206 // Instruction format superclass
207 //===----------------------------------------------------------------------===//
209 include "MipsInstrFormats.td"
211 //===----------------------------------------------------------------------===//
212 // Mips Operand, Complex Patterns and Transformations Definitions.
213 //===----------------------------------------------------------------------===//
215 // Instruction operand types
216 def jmptarget : Operand<OtherVT> {
217 let EncoderMethod = "getJumpTargetOpValue";
219 def brtarget : Operand<OtherVT> {
220 let EncoderMethod = "getBranchTargetOpValue";
221 let OperandType = "OPERAND_PCREL";
222 let DecoderMethod = "DecodeBranchTarget";
224 def calltarget : Operand<iPTR> {
225 let EncoderMethod = "getJumpTargetOpValue";
227 def calltarget64: Operand<i64>;
228 def simm16 : Operand<i32> {
229 let DecoderMethod= "DecodeSimm16";
231 def simm16_64 : Operand<i64>;
232 def shamt : Operand<i32>;
235 def uimm16 : Operand<i32> {
236 let PrintMethod = "printUnsignedImm";
239 def MipsMemAsmOperand : AsmOperandClass {
241 let ParserMethod = "parseMemOperand";
245 def mem : Operand<i32> {
246 let PrintMethod = "printMemOperand";
247 let MIOperandInfo = (ops CPURegs, simm16);
248 let EncoderMethod = "getMemEncoding";
249 let ParserMatchClass = MipsMemAsmOperand;
252 def mem64 : Operand<i64> {
253 let PrintMethod = "printMemOperand";
254 let MIOperandInfo = (ops CPU64Regs, simm16_64);
255 let EncoderMethod = "getMemEncoding";
256 let ParserMatchClass = MipsMemAsmOperand;
259 def mem_ea : Operand<i32> {
260 let PrintMethod = "printMemOperandEA";
261 let MIOperandInfo = (ops CPURegs, simm16);
262 let EncoderMethod = "getMemEncoding";
265 def mem_ea_64 : Operand<i64> {
266 let PrintMethod = "printMemOperandEA";
267 let MIOperandInfo = (ops CPU64Regs, simm16_64);
268 let EncoderMethod = "getMemEncoding";
271 // size operand of ext instruction
272 def size_ext : Operand<i32> {
273 let EncoderMethod = "getSizeExtEncoding";
274 let DecoderMethod = "DecodeExtSize";
277 // size operand of ins instruction
278 def size_ins : Operand<i32> {
279 let EncoderMethod = "getSizeInsEncoding";
280 let DecoderMethod = "DecodeInsSize";
283 // Transformation Function - get the lower 16 bits.
284 def LO16 : SDNodeXForm<imm, [{
285 return getImm(N, N->getZExtValue() & 0xFFFF);
288 // Transformation Function - get the higher 16 bits.
289 def HI16 : SDNodeXForm<imm, [{
290 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
293 // Node immediate fits as 16-bit sign extended on target immediate.
295 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
297 // Node immediate fits as 16-bit zero extended on target immediate.
298 // The LO16 param means that only the lower 16 bits of the node
299 // immediate are caught.
301 def immZExt16 : PatLeaf<(imm), [{
302 if (N->getValueType(0) == MVT::i32)
303 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
305 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
308 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
309 def immLow16Zero : PatLeaf<(imm), [{
310 int64_t Val = N->getSExtValue();
311 return isInt<32>(Val) && !(Val & 0xffff);
314 // shamt field must fit in 5 bits.
315 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
317 // Mips Address Mode! SDNode frameindex could possibily be a match
318 // since load and store instructions from stack used it.
320 ComplexPattern<iPTR, 2, "SelectAddr", [frameindex], [SDNPWantParent]>;
322 //===----------------------------------------------------------------------===//
323 // Instructions specific format
324 //===----------------------------------------------------------------------===//
326 /// Move Control Registers From/To CPU Registers
327 def MFC0_3OP : MFC3OP<0x10, 0, (outs CPURegs:$rt),
328 (ins CPURegs:$rd, uimm16:$sel),"mfc0\t$rt, $rd, $sel">;
329 def : InstAlias<"mfc0 $rt, $rd", (MFC0_3OP CPURegs:$rt, CPURegs:$rd, 0)>;
331 def MTC0_3OP : MFC3OP<0x10, 4, (outs CPURegs:$rd, uimm16:$sel),
332 (ins CPURegs:$rt),"mtc0\t$rt, $rd, $sel">;
333 def : InstAlias<"mtc0 $rt, $rd", (MTC0_3OP CPURegs:$rd, 0, CPURegs:$rt)>;
335 def MFC2_3OP : MFC3OP<0x12, 0, (outs CPURegs:$rt),
336 (ins CPURegs:$rd, uimm16:$sel),"mfc2\t$rt, $rd, $sel">;
337 def : InstAlias<"mfc2 $rt, $rd", (MFC2_3OP CPURegs:$rt, CPURegs:$rd, 0)>;
339 def MTC2_3OP : MFC3OP<0x12, 4, (outs CPURegs:$rd, uimm16:$sel),
340 (ins CPURegs:$rt),"mtc2\t$rt, $rd, $sel">;
341 def : InstAlias<"mtc2 $rt, $rd", (MTC2_3OP CPURegs:$rd, 0, CPURegs:$rt)>;
343 // Arithmetic and logical instructions with 3 register operands.
344 class ArithLogicR<bits<6> op, bits<6> func, string instr_asm, SDNode OpNode,
345 InstrItinClass itin, RegisterClass RC, bit isComm = 0>:
346 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
347 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
348 [(set RC:$rd, (OpNode RC:$rs, RC:$rt))], itin> {
350 let isCommutable = isComm;
351 let isReMaterializable = 1;
354 class ArithOverflowR<bits<6> op, bits<6> func, string instr_asm,
355 InstrItinClass itin, RegisterClass RC, bit isComm = 0>:
356 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
357 !strconcat(instr_asm, "\t$rd, $rs, $rt"), [], itin> {
359 let isCommutable = isComm;
362 // Arithmetic and logical instructions with 2 register operands.
363 class ArithLogicI<bits<6> op, string instr_asm, SDNode OpNode,
364 Operand Od, PatLeaf imm_type, RegisterClass RC> :
365 FI<op, (outs RC:$rt), (ins RC:$rs, Od:$imm16),
366 !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
367 [(set RC:$rt, (OpNode RC:$rs, imm_type:$imm16))], IIAlu> {
368 let isReMaterializable = 1;
371 class ArithOverflowI<bits<6> op, string instr_asm, SDNode OpNode,
372 Operand Od, PatLeaf imm_type, RegisterClass RC> :
373 FI<op, (outs RC:$rt), (ins RC:$rs, Od:$imm16),
374 !strconcat(instr_asm, "\t$rt, $rs, $imm16"), [], IIAlu>;
376 // Arithmetic Multiply ADD/SUB
377 let rd = 0, shamt = 0, Defs = [HI, LO], Uses = [HI, LO] in
378 class MArithR<bits<6> func, string instr_asm, SDNode op, bit isComm = 0> :
379 FR<0x1c, func, (outs), (ins CPURegs:$rs, CPURegs:$rt),
380 !strconcat(instr_asm, "\t$rs, $rt"),
381 [(op CPURegs:$rs, CPURegs:$rt, LO, HI)], IIImul> {
384 let isCommutable = isComm;
388 class LogicNOR<bits<6> op, bits<6> func, string instr_asm, RegisterClass RC>:
389 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
390 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
391 [(set RC:$rd, (not (or RC:$rs, RC:$rt)))], IIAlu> {
393 let isCommutable = 1;
397 class shift_rotate_imm<bits<6> func, bits<5> isRotate, string instr_asm,
398 SDNode OpNode, PatFrag PF, Operand ImmOpnd,
400 FR<0x00, func, (outs RC:$rd), (ins RC:$rt, ImmOpnd:$shamt),
401 !strconcat(instr_asm, "\t$rd, $rt, $shamt"),
402 [(set RC:$rd, (OpNode RC:$rt, PF:$shamt))], IIAlu> {
406 // 32-bit shift instructions.
407 class shift_rotate_imm32<bits<6> func, bits<5> isRotate, string instr_asm,
409 shift_rotate_imm<func, isRotate, instr_asm, OpNode, immZExt5, shamt, CPURegs>;
411 class shift_rotate_reg<bits<6> func, bits<5> isRotate, string instr_asm,
412 SDNode OpNode, RegisterClass RC>:
413 FR<0x00, func, (outs RC:$rd), (ins CPURegs:$rs, RC:$rt),
414 !strconcat(instr_asm, "\t$rd, $rt, $rs"),
415 [(set RC:$rd, (OpNode RC:$rt, CPURegs:$rs))], IIAlu> {
416 let shamt = isRotate;
419 // Load Upper Imediate
420 class LoadUpper<bits<6> op, string instr_asm, RegisterClass RC, Operand Imm>:
421 FI<op, (outs RC:$rt), (ins Imm:$imm16),
422 !strconcat(instr_asm, "\t$rt, $imm16"), [], IIAlu>, IsAsCheapAsAMove {
424 let neverHasSideEffects = 1;
425 let isReMaterializable = 1;
428 class FMem<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern,
429 InstrItinClass itin>: FFI<op, outs, ins, asmstr, pattern> {
431 let Inst{25-21} = addr{20-16};
432 let Inst{15-0} = addr{15-0};
433 let DecoderMethod = "DecodeMem";
437 let canFoldAsLoad = 1 in
438 class LoadM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
439 Operand MemOpnd, bit Pseudo>:
440 FMem<op, (outs RC:$rt), (ins MemOpnd:$addr),
441 !strconcat(instr_asm, "\t$rt, $addr"),
442 [(set RC:$rt, (OpNode addr:$addr))], IILoad> {
443 let isPseudo = Pseudo;
446 class StoreM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
447 Operand MemOpnd, bit Pseudo>:
448 FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr),
449 !strconcat(instr_asm, "\t$rt, $addr"),
450 [(OpNode RC:$rt, addr:$addr)], IIStore> {
451 let isPseudo = Pseudo;
455 multiclass LoadM32<bits<6> op, string instr_asm, PatFrag OpNode,
457 def #NAME# : LoadM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
458 Requires<[NotN64, HasStdEnc]>;
459 def _P8 : LoadM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
460 Requires<[IsN64, HasStdEnc]> {
461 let DecoderNamespace = "Mips64";
462 let isCodeGenOnly = 1;
467 multiclass LoadM64<bits<6> op, string instr_asm, PatFrag OpNode,
469 def #NAME# : LoadM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
470 Requires<[NotN64, HasStdEnc]>;
471 def _P8 : LoadM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
472 Requires<[IsN64, HasStdEnc]> {
473 let DecoderNamespace = "Mips64";
474 let isCodeGenOnly = 1;
479 multiclass StoreM32<bits<6> op, string instr_asm, PatFrag OpNode,
481 def #NAME# : StoreM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
482 Requires<[NotN64, HasStdEnc]>;
483 def _P8 : StoreM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
484 Requires<[IsN64, HasStdEnc]> {
485 let DecoderNamespace = "Mips64";
486 let isCodeGenOnly = 1;
491 multiclass StoreM64<bits<6> op, string instr_asm, PatFrag OpNode,
493 def #NAME# : StoreM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
494 Requires<[NotN64, HasStdEnc]>;
495 def _P8 : StoreM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
496 Requires<[IsN64, HasStdEnc]> {
497 let DecoderNamespace = "Mips64";
498 let isCodeGenOnly = 1;
502 // Load/Store Left/Right
503 let canFoldAsLoad = 1 in
504 class LoadLeftRight<bits<6> op, string instr_asm, SDNode OpNode,
505 RegisterClass RC, Operand MemOpnd> :
506 FMem<op, (outs RC:$rt), (ins MemOpnd:$addr, RC:$src),
507 !strconcat(instr_asm, "\t$rt, $addr"),
508 [(set RC:$rt, (OpNode addr:$addr, RC:$src))], IILoad> {
509 string Constraints = "$src = $rt";
512 class StoreLeftRight<bits<6> op, string instr_asm, SDNode OpNode,
513 RegisterClass RC, Operand MemOpnd>:
514 FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr),
515 !strconcat(instr_asm, "\t$rt, $addr"), [(OpNode RC:$rt, addr:$addr)],
518 // 32-bit load left/right.
519 multiclass LoadLeftRightM32<bits<6> op, string instr_asm, SDNode OpNode> {
520 def #NAME# : LoadLeftRight<op, instr_asm, OpNode, CPURegs, mem>,
521 Requires<[NotN64, HasStdEnc]>;
522 def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
523 Requires<[IsN64, HasStdEnc]> {
524 let DecoderNamespace = "Mips64";
525 let isCodeGenOnly = 1;
529 // 64-bit load left/right.
530 multiclass LoadLeftRightM64<bits<6> op, string instr_asm, SDNode OpNode> {
531 def #NAME# : LoadLeftRight<op, instr_asm, OpNode, CPU64Regs, mem>,
532 Requires<[NotN64, HasStdEnc]>;
533 def _P8 : LoadLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
534 Requires<[IsN64, HasStdEnc]> {
535 let DecoderNamespace = "Mips64";
536 let isCodeGenOnly = 1;
540 // 32-bit store left/right.
541 multiclass StoreLeftRightM32<bits<6> op, string instr_asm, SDNode OpNode> {
542 def #NAME# : StoreLeftRight<op, instr_asm, OpNode, CPURegs, mem>,
543 Requires<[NotN64, HasStdEnc]>;
544 def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPURegs, mem64>,
545 Requires<[IsN64, HasStdEnc]> {
546 let DecoderNamespace = "Mips64";
547 let isCodeGenOnly = 1;
551 // 64-bit store left/right.
552 multiclass StoreLeftRightM64<bits<6> op, string instr_asm, SDNode OpNode> {
553 def #NAME# : StoreLeftRight<op, instr_asm, OpNode, CPU64Regs, mem>,
554 Requires<[NotN64, HasStdEnc]>;
555 def _P8 : StoreLeftRight<op, instr_asm, OpNode, CPU64Regs, mem64>,
556 Requires<[IsN64, HasStdEnc]> {
557 let DecoderNamespace = "Mips64";
558 let isCodeGenOnly = 1;
562 // Conditional Branch
563 class CBranch<bits<6> op, string instr_asm, PatFrag cond_op, RegisterClass RC>:
564 BranchBase<op, (outs), (ins RC:$rs, RC:$rt, brtarget:$imm16),
565 !strconcat(instr_asm, "\t$rs, $rt, $imm16"),
566 [(brcond (i32 (cond_op RC:$rs, RC:$rt)), bb:$imm16)], IIBranch> {
568 let isTerminator = 1;
569 let hasDelaySlot = 1;
573 class CBranchZero<bits<6> op, bits<5> _rt, string instr_asm, PatFrag cond_op,
575 BranchBase<op, (outs), (ins RC:$rs, brtarget:$imm16),
576 !strconcat(instr_asm, "\t$rs, $imm16"),
577 [(brcond (i32 (cond_op RC:$rs, 0)), bb:$imm16)], IIBranch> {
580 let isTerminator = 1;
581 let hasDelaySlot = 1;
586 class SetCC_R<bits<6> op, bits<6> func, string instr_asm, PatFrag cond_op,
588 FR<op, func, (outs CPURegs:$rd), (ins RC:$rs, RC:$rt),
589 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
590 [(set CPURegs:$rd, (cond_op RC:$rs, RC:$rt))],
595 class SetCC_I<bits<6> op, string instr_asm, PatFrag cond_op, Operand Od,
596 PatLeaf imm_type, RegisterClass RC>:
597 FI<op, (outs CPURegs:$rt), (ins RC:$rs, Od:$imm16),
598 !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
599 [(set CPURegs:$rt, (cond_op RC:$rs, imm_type:$imm16))],
603 class JumpFJ<bits<6> op, DAGOperand opnd, string instr_asm,
604 SDPatternOperator operator, SDPatternOperator targetoperator>:
605 FJ<op, (outs), (ins opnd:$target), !strconcat(instr_asm, "\t$target"),
606 [(operator targetoperator:$target)], IIBranch> {
609 let hasDelaySlot = 1;
610 let DecoderMethod = "DecodeJumpTarget";
614 // Unconditional branch
615 class UncondBranch<bits<6> op, string instr_asm>:
616 BranchBase<op, (outs), (ins brtarget:$imm16),
617 !strconcat(instr_asm, "\t$imm16"), [(br bb:$imm16)], IIBranch> {
621 let isTerminator = 1;
623 let hasDelaySlot = 1;
624 let Predicates = [RelocPIC, HasStdEnc];
628 // Base class for indirect branch and return instruction classes.
629 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
630 class JumpFR<RegisterClass RC, SDPatternOperator operator = null_frag>:
631 FR<0, 0x8, (outs), (ins RC:$rs), "jr\t$rs", [(operator RC:$rs)], IIBranch> {
638 class IndirectBranch<RegisterClass RC>: JumpFR<RC, brind> {
640 let isIndirectBranch = 1;
643 // Return instruction
644 class RetBase<RegisterClass RC>: JumpFR<RC> {
646 let isCodeGenOnly = 1;
648 let hasExtraSrcRegAllocReq = 1;
651 // Jump and Link (Call)
652 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
653 class JumpLink<bits<6> op, string instr_asm>:
654 FJ<op, (outs), (ins calltarget:$target),
655 !strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
657 let DecoderMethod = "DecodeJumpTarget";
660 class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm,
662 FR<op, func, (outs), (ins RC:$rs),
663 !strconcat(instr_asm, "\t$rs"), [(MipsJmpLink RC:$rs)], IIBranch> {
669 class BranchLink<string instr_asm, bits<5> _rt, RegisterClass RC>:
670 FI<0x1, (outs), (ins RC:$rs, brtarget:$imm16),
671 !strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch> {
677 class Mult<bits<6> func, string instr_asm, InstrItinClass itin,
678 RegisterClass RC, list<Register> DefRegs>:
679 FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
680 !strconcat(instr_asm, "\t$rs, $rt"), [], itin> {
683 let isCommutable = 1;
685 let neverHasSideEffects = 1;
688 class Mult32<bits<6> func, string instr_asm, InstrItinClass itin>:
689 Mult<func, instr_asm, itin, CPURegs, [HI, LO]>;
691 class Div<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin,
692 RegisterClass RC, list<Register> DefRegs>:
693 FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
694 !strconcat(instr_asm, "\t$$zero, $rs, $rt"),
695 [(op RC:$rs, RC:$rt)], itin> {
701 class Div32<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
702 Div<op, func, instr_asm, itin, CPURegs, [HI, LO]>;
705 class MoveFromLOHI<bits<6> func, string instr_asm, RegisterClass RC,
706 list<Register> UseRegs>:
707 FR<0x00, func, (outs RC:$rd), (ins),
708 !strconcat(instr_asm, "\t$rd"), [], IIHiLo> {
713 let neverHasSideEffects = 1;
716 class MoveToLOHI<bits<6> func, string instr_asm, RegisterClass RC,
717 list<Register> DefRegs>:
718 FR<0x00, func, (outs), (ins RC:$rs),
719 !strconcat(instr_asm, "\t$rs"), [], IIHiLo> {
724 let neverHasSideEffects = 1;
727 class EffectiveAddress<bits<6> opc, string instr_asm, RegisterClass RC, Operand Mem> :
728 FMem<opc, (outs RC:$rt), (ins Mem:$addr),
729 instr_asm, [(set RC:$rt, addr:$addr)], IIAlu> {
730 let isCodeGenOnly = 1;
733 // Count Leading Ones/Zeros in Word
734 class CountLeading0<bits<6> func, string instr_asm, RegisterClass RC>:
735 FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
736 !strconcat(instr_asm, "\t$rd, $rs"),
737 [(set RC:$rd, (ctlz RC:$rs))], IIAlu>,
738 Requires<[HasBitCount, HasStdEnc]> {
743 class CountLeading1<bits<6> func, string instr_asm, RegisterClass RC>:
744 FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
745 !strconcat(instr_asm, "\t$rd, $rs"),
746 [(set RC:$rd, (ctlz (not RC:$rs)))], IIAlu>,
747 Requires<[HasBitCount, HasStdEnc]> {
752 // Sign Extend in Register.
753 class SignExtInReg<bits<5> sa, string instr_asm, ValueType vt,
755 FR<0x1f, 0x20, (outs RC:$rd), (ins RC:$rt),
756 !strconcat(instr_asm, "\t$rd, $rt"),
757 [(set RC:$rd, (sext_inreg RC:$rt, vt))], NoItinerary> {
760 let Predicates = [HasSEInReg, HasStdEnc];
764 class SubwordSwap<bits<6> func, bits<5> sa, string instr_asm, RegisterClass RC>:
765 FR<0x1f, func, (outs RC:$rd), (ins RC:$rt),
766 !strconcat(instr_asm, "\t$rd, $rt"), [], NoItinerary> {
769 let Predicates = [HasSwap, HasStdEnc];
770 let neverHasSideEffects = 1;
774 class ReadHardware<RegisterClass CPURegClass, RegisterClass HWRegClass>
775 : FR<0x1f, 0x3b, (outs CPURegClass:$rt), (ins HWRegClass:$rd),
776 "rdhwr\t$rt, $rd", [], IIAlu> {
782 class ExtBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
783 FR<0x1f, _funct, (outs RC:$rt), (ins RC:$rs, uimm16:$pos, size_ext:$sz),
784 !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
785 [(set RC:$rt, (MipsExt RC:$rs, imm:$pos, imm:$sz))], NoItinerary> {
790 let Predicates = [HasMips32r2, HasStdEnc];
793 class InsBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
794 FR<0x1f, _funct, (outs RC:$rt),
795 (ins RC:$rs, uimm16:$pos, size_ins:$sz, RC:$src),
796 !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
797 [(set RC:$rt, (MipsIns RC:$rs, imm:$pos, imm:$sz, RC:$src))],
803 let Predicates = [HasMips32r2, HasStdEnc];
804 let Constraints = "$src = $rt";
807 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
808 class Atomic2Ops<PatFrag Op, string Opstr, RegisterClass DRC,
810 PseudoSE<(outs DRC:$dst), (ins PRC:$ptr, DRC:$incr),
811 !strconcat("atomic_", Opstr, "\t$dst, $ptr, $incr"),
812 [(set DRC:$dst, (Op PRC:$ptr, DRC:$incr))]>;
814 multiclass Atomic2Ops32<PatFrag Op, string Opstr> {
815 def #NAME# : Atomic2Ops<Op, Opstr, CPURegs, CPURegs>,
816 Requires<[NotN64, HasStdEnc]>;
817 def _P8 : Atomic2Ops<Op, Opstr, CPURegs, CPU64Regs>,
818 Requires<[IsN64, HasStdEnc]> {
819 let DecoderNamespace = "Mips64";
823 // Atomic Compare & Swap.
824 class AtomicCmpSwap<PatFrag Op, string Width, RegisterClass DRC,
826 PseudoSE<(outs DRC:$dst), (ins PRC:$ptr, DRC:$cmp, DRC:$swap),
827 !strconcat("atomic_cmp_swap_", Width, "\t$dst, $ptr, $cmp, $swap"),
828 [(set DRC:$dst, (Op PRC:$ptr, DRC:$cmp, DRC:$swap))]>;
830 multiclass AtomicCmpSwap32<PatFrag Op, string Width> {
831 def #NAME# : AtomicCmpSwap<Op, Width, CPURegs, CPURegs>,
832 Requires<[NotN64, HasStdEnc]>;
833 def _P8 : AtomicCmpSwap<Op, Width, CPURegs, CPU64Regs>,
834 Requires<[IsN64, HasStdEnc]> {
835 let DecoderNamespace = "Mips64";
839 class LLBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
840 FMem<Opc, (outs RC:$rt), (ins Mem:$addr),
841 !strconcat(opstring, "\t$rt, $addr"), [], IILoad> {
845 class SCBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
846 FMem<Opc, (outs RC:$dst), (ins RC:$rt, Mem:$addr),
847 !strconcat(opstring, "\t$rt, $addr"), [], IIStore> {
849 let Constraints = "$rt = $dst";
852 //===----------------------------------------------------------------------===//
853 // Pseudo instructions
854 //===----------------------------------------------------------------------===//
857 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
858 def RetRA : PseudoSE<(outs), (ins), "", [(MipsRet)]>;
860 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
861 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
862 "!ADJCALLSTACKDOWN $amt",
863 [(callseq_start timm:$amt)]>;
864 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
865 "!ADJCALLSTACKUP $amt1",
866 [(callseq_end timm:$amt1, timm:$amt2)]>;
869 // When handling PIC code the assembler needs .cpload and .cprestore
870 // directives. If the real instructions corresponding these directives
871 // are used, we have the same behavior, but get also a bunch of warnings
872 // from the assembler.
873 let neverHasSideEffects = 1 in
874 def CPRESTORE : PseudoSE<(outs), (ins i32imm:$loc, CPURegs:$gp),
875 ".cprestore\t$loc", []>;
877 let usesCustomInserter = 1 in {
878 defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8, "load_add_8">;
879 defm ATOMIC_LOAD_ADD_I16 : Atomic2Ops32<atomic_load_add_16, "load_add_16">;
880 defm ATOMIC_LOAD_ADD_I32 : Atomic2Ops32<atomic_load_add_32, "load_add_32">;
881 defm ATOMIC_LOAD_SUB_I8 : Atomic2Ops32<atomic_load_sub_8, "load_sub_8">;
882 defm ATOMIC_LOAD_SUB_I16 : Atomic2Ops32<atomic_load_sub_16, "load_sub_16">;
883 defm ATOMIC_LOAD_SUB_I32 : Atomic2Ops32<atomic_load_sub_32, "load_sub_32">;
884 defm ATOMIC_LOAD_AND_I8 : Atomic2Ops32<atomic_load_and_8, "load_and_8">;
885 defm ATOMIC_LOAD_AND_I16 : Atomic2Ops32<atomic_load_and_16, "load_and_16">;
886 defm ATOMIC_LOAD_AND_I32 : Atomic2Ops32<atomic_load_and_32, "load_and_32">;
887 defm ATOMIC_LOAD_OR_I8 : Atomic2Ops32<atomic_load_or_8, "load_or_8">;
888 defm ATOMIC_LOAD_OR_I16 : Atomic2Ops32<atomic_load_or_16, "load_or_16">;
889 defm ATOMIC_LOAD_OR_I32 : Atomic2Ops32<atomic_load_or_32, "load_or_32">;
890 defm ATOMIC_LOAD_XOR_I8 : Atomic2Ops32<atomic_load_xor_8, "load_xor_8">;
891 defm ATOMIC_LOAD_XOR_I16 : Atomic2Ops32<atomic_load_xor_16, "load_xor_16">;
892 defm ATOMIC_LOAD_XOR_I32 : Atomic2Ops32<atomic_load_xor_32, "load_xor_32">;
893 defm ATOMIC_LOAD_NAND_I8 : Atomic2Ops32<atomic_load_nand_8, "load_nand_8">;
894 defm ATOMIC_LOAD_NAND_I16 : Atomic2Ops32<atomic_load_nand_16, "load_nand_16">;
895 defm ATOMIC_LOAD_NAND_I32 : Atomic2Ops32<atomic_load_nand_32, "load_nand_32">;
897 defm ATOMIC_SWAP_I8 : Atomic2Ops32<atomic_swap_8, "swap_8">;
898 defm ATOMIC_SWAP_I16 : Atomic2Ops32<atomic_swap_16, "swap_16">;
899 defm ATOMIC_SWAP_I32 : Atomic2Ops32<atomic_swap_32, "swap_32">;
901 defm ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap32<atomic_cmp_swap_8, "8">;
902 defm ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap32<atomic_cmp_swap_16, "16">;
903 defm ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap32<atomic_cmp_swap_32, "32">;
906 //===----------------------------------------------------------------------===//
907 // Instruction definition
908 //===----------------------------------------------------------------------===//
910 class LoadImm32< string instr_asm, Operand Od, RegisterClass RC> :
911 MipsAsmPseudoInst<(outs RC:$rt), (ins Od:$imm32),
912 !strconcat(instr_asm, "\t$rt, $imm32")> ;
913 def LoadImm32Reg : LoadImm32<"li", shamt,CPURegs>;
915 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterClass RC> :
916 MipsAsmPseudoInst<(outs RC:$rt), (ins MemOpnd:$addr),
917 !strconcat(instr_asm, "\t$rt, $addr")> ;
918 def LoadAddr32Reg : LoadAddress<"la", mem, CPURegs>;
920 class LoadAddressImm<string instr_asm, Operand Od, RegisterClass RC> :
921 MipsAsmPseudoInst<(outs RC:$rt), (ins Od:$imm32),
922 !strconcat(instr_asm, "\t$rt, $imm32")> ;
923 def LoadAddr32Imm : LoadAddressImm<"la", shamt,CPURegs>;
925 //===----------------------------------------------------------------------===//
926 // MipsI Instructions
927 //===----------------------------------------------------------------------===//
929 /// Arithmetic Instructions (ALU Immediate)
930 def ADDiu : ArithLogicI<0x09, "addiu", add, simm16, immSExt16, CPURegs>,
932 def ADDi : ArithOverflowI<0x08, "addi", add, simm16, immSExt16, CPURegs>;
933 def SLTi : SetCC_I<0x0a, "slti", setlt, simm16, immSExt16, CPURegs>;
934 def SLTiu : SetCC_I<0x0b, "sltiu", setult, simm16, immSExt16, CPURegs>;
935 def ANDi : ArithLogicI<0x0c, "andi", and, uimm16, immZExt16, CPURegs>;
936 def ORi : ArithLogicI<0x0d, "ori", or, uimm16, immZExt16, CPURegs>;
937 def XORi : ArithLogicI<0x0e, "xori", xor, uimm16, immZExt16, CPURegs>;
938 def LUi : LoadUpper<0x0f, "lui", CPURegs, uimm16>;
940 /// Arithmetic Instructions (3-Operand, R-Type)
941 def ADDu : ArithLogicR<0x00, 0x21, "addu", add, IIAlu, CPURegs, 1>;
942 def SUBu : ArithLogicR<0x00, 0x23, "subu", sub, IIAlu, CPURegs>;
943 def ADD : ArithOverflowR<0x00, 0x20, "add", IIAlu, CPURegs, 1>;
944 def SUB : ArithOverflowR<0x00, 0x22, "sub", IIAlu, CPURegs>;
945 def SLT : SetCC_R<0x00, 0x2a, "slt", setlt, CPURegs>;
946 def SLTu : SetCC_R<0x00, 0x2b, "sltu", setult, CPURegs>;
947 def AND : ArithLogicR<0x00, 0x24, "and", and, IIAlu, CPURegs, 1>;
948 def OR : ArithLogicR<0x00, 0x25, "or", or, IIAlu, CPURegs, 1>;
949 def XOR : ArithLogicR<0x00, 0x26, "xor", xor, IIAlu, CPURegs, 1>;
950 def NOR : LogicNOR<0x00, 0x27, "nor", CPURegs>;
952 /// Shift Instructions
953 def SLL : shift_rotate_imm32<0x00, 0x00, "sll", shl>;
954 def SRL : shift_rotate_imm32<0x02, 0x00, "srl", srl>;
955 def SRA : shift_rotate_imm32<0x03, 0x00, "sra", sra>;
956 def SLLV : shift_rotate_reg<0x04, 0x00, "sllv", shl, CPURegs>;
957 def SRLV : shift_rotate_reg<0x06, 0x00, "srlv", srl, CPURegs>;
958 def SRAV : shift_rotate_reg<0x07, 0x00, "srav", sra, CPURegs>;
960 // Rotate Instructions
961 let Predicates = [HasMips32r2, HasStdEnc] in {
962 def ROTR : shift_rotate_imm32<0x02, 0x01, "rotr", rotr>;
963 def ROTRV : shift_rotate_reg<0x06, 0x01, "rotrv", rotr, CPURegs>;
966 /// Load and Store Instructions
968 defm LB : LoadM32<0x20, "lb", sextloadi8>;
969 defm LBu : LoadM32<0x24, "lbu", zextloadi8>;
970 defm LH : LoadM32<0x21, "lh", sextloadi16>;
971 defm LHu : LoadM32<0x25, "lhu", zextloadi16>;
972 defm LW : LoadM32<0x23, "lw", load>;
973 defm SB : StoreM32<0x28, "sb", truncstorei8>;
974 defm SH : StoreM32<0x29, "sh", truncstorei16>;
975 defm SW : StoreM32<0x2b, "sw", store>;
977 /// load/store left/right
978 defm LWL : LoadLeftRightM32<0x22, "lwl", MipsLWL>;
979 defm LWR : LoadLeftRightM32<0x26, "lwr", MipsLWR>;
980 defm SWL : StoreLeftRightM32<0x2a, "swl", MipsSWL>;
981 defm SWR : StoreLeftRightM32<0x2e, "swr", MipsSWR>;
983 let hasSideEffects = 1 in
984 def SYNC : InstSE<(outs), (ins i32imm:$stype), "sync $stype",
985 [(MipsSync imm:$stype)], NoItinerary, FrmOther>
990 let Inst{10-6} = stype;
994 /// Load-linked, Store-conditional
995 def LL : LLBase<0x30, "ll", CPURegs, mem>,
996 Requires<[NotN64, HasStdEnc]>;
997 def LL_P8 : LLBase<0x30, "ll", CPURegs, mem64>,
998 Requires<[IsN64, HasStdEnc]> {
999 let DecoderNamespace = "Mips64";
1002 def SC : SCBase<0x38, "sc", CPURegs, mem>,
1003 Requires<[NotN64, HasStdEnc]>;
1004 def SC_P8 : SCBase<0x38, "sc", CPURegs, mem64>,
1005 Requires<[IsN64, HasStdEnc]> {
1006 let DecoderNamespace = "Mips64";
1009 /// Jump and Branch Instructions
1010 def J : JumpFJ<0x02, jmptarget, "j", br, bb>,
1011 Requires<[RelocStatic, HasStdEnc]>, IsBranch;
1012 def JR : IndirectBranch<CPURegs>;
1013 def B : UncondBranch<0x04, "b">;
1014 def BEQ : CBranch<0x04, "beq", seteq, CPURegs>;
1015 def BNE : CBranch<0x05, "bne", setne, CPURegs>;
1016 def BGEZ : CBranchZero<0x01, 1, "bgez", setge, CPURegs>;
1017 def BGTZ : CBranchZero<0x07, 0, "bgtz", setgt, CPURegs>;
1018 def BLEZ : CBranchZero<0x06, 0, "blez", setle, CPURegs>;
1019 def BLTZ : CBranchZero<0x01, 0, "bltz", setlt, CPURegs>;
1021 let rt = 0, rs = 0, isBranch = 1, isTerminator = 1, isBarrier = 1,
1022 hasDelaySlot = 1, Defs = [RA] in
1023 def BAL_BR: FI<0x1, (outs), (ins brtarget:$imm16), "bal\t$imm16", [], IIBranch>;
1025 def JAL : JumpLink<0x03, "jal">;
1026 def JALR : JumpLinkReg<0x00, 0x09, "jalr", CPURegs>;
1027 def BGEZAL : BranchLink<"bgezal", 0x11, CPURegs>;
1028 def BLTZAL : BranchLink<"bltzal", 0x10, CPURegs>;
1029 def TAILCALL : JumpFJ<0x02, calltarget, "j", MipsTailCall, imm>, IsTailCall;
1030 def TAILCALL_R : JumpFR<CPURegs, MipsTailCall>, IsTailCall;
1032 def RET : RetBase<CPURegs>;
1034 /// Multiply and Divide Instructions.
1035 def MULT : Mult32<0x18, "mult", IIImul>;
1036 def MULTu : Mult32<0x19, "multu", IIImul>;
1037 def SDIV : Div32<MipsDivRem, 0x1a, "div", IIIdiv>;
1038 def UDIV : Div32<MipsDivRemU, 0x1b, "divu", IIIdiv>;
1040 def MTHI : MoveToLOHI<0x11, "mthi", CPURegs, [HI]>;
1041 def MTLO : MoveToLOHI<0x13, "mtlo", CPURegs, [LO]>;
1042 def MFHI : MoveFromLOHI<0x10, "mfhi", CPURegs, [HI]>;
1043 def MFLO : MoveFromLOHI<0x12, "mflo", CPURegs, [LO]>;
1045 /// Sign Ext In Register Instructions.
1046 def SEB : SignExtInReg<0x10, "seb", i8, CPURegs>;
1047 def SEH : SignExtInReg<0x18, "seh", i16, CPURegs>;
1050 def CLZ : CountLeading0<0x20, "clz", CPURegs>;
1051 def CLO : CountLeading1<0x21, "clo", CPURegs>;
1053 /// Word Swap Bytes Within Halfwords
1054 def WSBH : SubwordSwap<0x20, 0x2, "wsbh", CPURegs>;
1058 def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
1060 // FrameIndexes are legalized when they are operands from load/store
1061 // instructions. The same not happens for stack address copies, so an
1062 // add op with mem ComplexPattern is used and the stack address copy
1063 // can be matched. It's similar to Sparc LEA_ADDRi
1064 def LEA_ADDiu : EffectiveAddress<0x09,"addiu\t$rt, $addr", CPURegs, mem_ea>;
1067 def MADD : MArithR<0, "madd", MipsMAdd, 1>;
1068 def MADDU : MArithR<1, "maddu", MipsMAddu, 1>;
1069 def MSUB : MArithR<4, "msub", MipsMSub>;
1070 def MSUBU : MArithR<5, "msubu", MipsMSubu>;
1072 // MUL is a assembly macro in the current used ISAs. In recent ISA's
1073 // it is a real instruction.
1074 def MUL : ArithLogicR<0x1c, 0x02, "mul", mul, IIImul, CPURegs, 1>,
1075 Requires<[HasStdEnc]>;
1077 def RDHWR : ReadHardware<CPURegs, HWRegs>;
1079 def EXT : ExtBase<0, "ext", CPURegs>;
1080 def INS : InsBase<4, "ins", CPURegs>;
1082 //===----------------------------------------------------------------------===//
1083 // Instruction aliases
1084 //===----------------------------------------------------------------------===//
1085 def : InstAlias<"move $dst,$src", (ADD CPURegs:$dst,CPURegs:$src,ZERO)>;
1086 def : InstAlias<"bal $offset", (BGEZAL RA,brtarget:$offset)>;
1087 def : InstAlias<"addu $rs,$rt,$imm",
1088 (ADDiu CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
1089 def : InstAlias<"add $rs,$rt,$imm",
1090 (ADDi CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
1091 def : InstAlias<"and $rs,$rt,$imm",
1092 (ANDi CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
1093 def : InstAlias<"j $rs", (JR CPURegs:$rs)>;
1094 def : InstAlias<"not $rt,$rs", (NOR CPURegs:$rt,CPURegs:$rs,ZERO)>;
1095 def : InstAlias<"neg $rt,$rs", (SUB CPURegs:$rt,ZERO,CPURegs:$rs)>;
1096 def : InstAlias<"negu $rt,$rs", (SUBu CPURegs:$rt,ZERO,CPURegs:$rs)>;
1097 def : InstAlias<"slt $rs,$rt,$imm",
1098 (SLTi CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
1099 def : InstAlias<"xor $rs,$rt,$imm",
1100 (XORi CPURegs:$rs,CPURegs:$rt,simm16:$imm)>;
1102 //===----------------------------------------------------------------------===//
1103 // Arbitrary patterns that map to one or more instructions
1104 //===----------------------------------------------------------------------===//
1107 def : MipsPat<(i32 immSExt16:$in),
1108 (ADDiu ZERO, imm:$in)>;
1109 def : MipsPat<(i32 immZExt16:$in),
1110 (ORi ZERO, imm:$in)>;
1111 def : MipsPat<(i32 immLow16Zero:$in),
1112 (LUi (HI16 imm:$in))>;
1114 // Arbitrary immediates
1115 def : MipsPat<(i32 imm:$imm),
1116 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1118 // Carry MipsPatterns
1119 def : MipsPat<(subc CPURegs:$lhs, CPURegs:$rhs),
1120 (SUBu CPURegs:$lhs, CPURegs:$rhs)>;
1121 def : MipsPat<(addc CPURegs:$lhs, CPURegs:$rhs),
1122 (ADDu CPURegs:$lhs, CPURegs:$rhs)>;
1123 def : MipsPat<(addc CPURegs:$src, immSExt16:$imm),
1124 (ADDiu CPURegs:$src, imm:$imm)>;
1127 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1128 (JAL tglobaladdr:$dst)>;
1129 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1130 (JAL texternalsym:$dst)>;
1131 //def : MipsPat<(MipsJmpLink CPURegs:$dst),
1132 // (JALR CPURegs:$dst)>;
1135 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1136 (TAILCALL tglobaladdr:$dst)>;
1137 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1138 (TAILCALL texternalsym:$dst)>;
1140 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1141 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1142 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1143 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1144 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1145 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1147 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1148 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1149 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1150 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1151 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1152 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1154 def : MipsPat<(add CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
1155 (ADDiu CPURegs:$hi, tglobaladdr:$lo)>;
1156 def : MipsPat<(add CPURegs:$hi, (MipsLo tblockaddress:$lo)),
1157 (ADDiu CPURegs:$hi, tblockaddress:$lo)>;
1158 def : MipsPat<(add CPURegs:$hi, (MipsLo tjumptable:$lo)),
1159 (ADDiu CPURegs:$hi, tjumptable:$lo)>;
1160 def : MipsPat<(add CPURegs:$hi, (MipsLo tconstpool:$lo)),
1161 (ADDiu CPURegs:$hi, tconstpool:$lo)>;
1162 def : MipsPat<(add CPURegs:$hi, (MipsLo tglobaltlsaddr:$lo)),
1163 (ADDiu CPURegs:$hi, tglobaltlsaddr:$lo)>;
1166 def : MipsPat<(add CPURegs:$gp, (MipsGPRel tglobaladdr:$in)),
1167 (ADDiu CPURegs:$gp, tglobaladdr:$in)>;
1168 def : MipsPat<(add CPURegs:$gp, (MipsGPRel tconstpool:$in)),
1169 (ADDiu CPURegs:$gp, tconstpool:$in)>;
1172 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1173 MipsPat<(MipsWrapper RC:$gp, node:$in),
1174 (ADDiuOp RC:$gp, node:$in)>;
1176 def : WrapperPat<tglobaladdr, ADDiu, CPURegs>;
1177 def : WrapperPat<tconstpool, ADDiu, CPURegs>;
1178 def : WrapperPat<texternalsym, ADDiu, CPURegs>;
1179 def : WrapperPat<tblockaddress, ADDiu, CPURegs>;
1180 def : WrapperPat<tjumptable, ADDiu, CPURegs>;
1181 def : WrapperPat<tglobaltlsaddr, ADDiu, CPURegs>;
1183 // Mips does not have "not", so we expand our way
1184 def : MipsPat<(not CPURegs:$in),
1185 (NOR CPURegs:$in, ZERO)>;
1188 let Predicates = [NotN64, HasStdEnc] in {
1189 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1190 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1191 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1193 let Predicates = [IsN64, HasStdEnc] in {
1194 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu_P8 addr:$src)>;
1195 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu_P8 addr:$src)>;
1196 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu_P8 addr:$src)>;
1200 let Predicates = [NotN64, HasStdEnc] in {
1201 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1203 let Predicates = [IsN64, HasStdEnc] in {
1204 def : MipsPat<(store (i32 0), addr:$dst), (SW_P8 ZERO, addr:$dst)>;
1208 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1209 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1210 Instruction SLTiuOp, Register ZEROReg> {
1211 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1212 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1213 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1214 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1216 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1217 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1218 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1219 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1220 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1221 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1222 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1223 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1225 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1226 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1227 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1228 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1230 def : MipsPat<(brcond RC:$cond, bb:$dst),
1231 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1234 defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1237 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1238 Instruction SLTuOp, Register ZEROReg> {
1239 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1240 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1241 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1242 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1245 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1246 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1247 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1248 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1249 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1252 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1253 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1254 (SLTOp RC:$rhs, RC:$lhs)>;
1255 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1256 (SLTuOp RC:$rhs, RC:$lhs)>;
1259 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1260 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1261 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1262 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1263 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1266 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1267 Instruction SLTiuOp> {
1268 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1269 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1270 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1271 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1274 defm : SeteqPats<CPURegs, SLTiu, XOR, SLTu, ZERO>;
1275 defm : SetlePats<CPURegs, SLT, SLTu>;
1276 defm : SetgtPats<CPURegs, SLT, SLTu>;
1277 defm : SetgePats<CPURegs, SLT, SLTu>;
1278 defm : SetgeImmPats<CPURegs, SLTi, SLTiu>;
1281 def : MipsPat<(bswap CPURegs:$rt), (ROTR (WSBH CPURegs:$rt), 16)>;
1283 //===----------------------------------------------------------------------===//
1284 // Floating Point Support
1285 //===----------------------------------------------------------------------===//
1287 include "MipsInstrFPU.td"
1288 include "Mips64InstrInfo.td"
1289 include "MipsCondMov.td"
1294 include "Mips16InstrFormats.td"
1295 include "Mips16InstrInfo.td"
1298 include "MipsDSPInstrFormats.td"
1299 include "MipsDSPInstrInfo.td"