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 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // Instruction format superclass
16 //===----------------------------------------------------------------------===//
18 include "MipsInstrFormats.td"
20 //===----------------------------------------------------------------------===//
21 // Mips profiles and nodes
22 //===----------------------------------------------------------------------===//
24 def SDT_MipsRet : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
25 def SDT_MipsJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
26 def SDT_MipsCMov : SDTypeProfile<1, 4, [SDTCisSameAs<0, 1>,
30 def SDT_MipsCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
31 def SDT_MipsCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
32 def SDT_MipsMAddMSub : SDTypeProfile<0, 4,
33 [SDTCisVT<0, i32>, SDTCisSameAs<0, 1>,
36 def SDT_MipsDivRem : SDTypeProfile<0, 2,
40 def SDT_MipsThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
42 def SDT_MipsDynAlloc : SDTypeProfile<1, 1, [SDTCisVT<0, iPTR>,
44 def SDT_Sync : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
46 def SDT_Ext : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
47 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>]>;
48 def SDT_Ins : SDTypeProfile<1, 4, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
49 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>,
53 def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink,
54 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
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", SDT_MipsRet, [SDNPHasChain,
78 // These are target-independent nodes, but have target-specific formats.
79 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
80 [SDNPHasChain, SDNPOutGlue]>;
81 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
82 [SDNPHasChain, 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 // Pointer to dynamically allocated stack area.
113 def MipsDynAlloc : SDNode<"MipsISD::DynAlloc", SDT_MipsDynAlloc,
114 [SDNPHasChain, SDNPInGlue]>;
116 def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain]>;
118 def MipsExt : SDNode<"MipsISD::Ext", SDT_Ext>;
119 def MipsIns : SDNode<"MipsISD::Ins", SDT_Ins>;
121 //===----------------------------------------------------------------------===//
122 // Mips Instruction Predicate Definitions.
123 //===----------------------------------------------------------------------===//
124 def HasSEInReg : Predicate<"Subtarget.hasSEInReg()">;
125 def HasBitCount : Predicate<"Subtarget.hasBitCount()">;
126 def HasSwap : Predicate<"Subtarget.hasSwap()">;
127 def HasCondMov : Predicate<"Subtarget.hasCondMov()">;
128 def HasMips32 : Predicate<"Subtarget.hasMips32()">;
129 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">;
130 def HasMips64 : Predicate<"Subtarget.hasMips64()">;
131 def HasMips32r2Or64 : Predicate<"Subtarget.hasMips32r2Or64()">;
132 def NotMips64 : Predicate<"!Subtarget.hasMips64()">;
133 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">;
134 def IsN64 : Predicate<"Subtarget.isABI_N64()">;
135 def NotN64 : Predicate<"!Subtarget.isABI_N64()">;
136 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
137 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">;
138 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
140 //===----------------------------------------------------------------------===//
141 // Mips Operand, Complex Patterns and Transformations Definitions.
142 //===----------------------------------------------------------------------===//
144 // Instruction operand types
145 def jmptarget : Operand<OtherVT> {
146 let EncoderMethod = "getJumpTargetOpValue";
148 def brtarget : Operand<OtherVT> {
149 let EncoderMethod = "getBranchTargetOpValue";
150 let OperandType = "OPERAND_PCREL";
152 def calltarget : Operand<iPTR> {
153 let EncoderMethod = "getJumpTargetOpValue";
155 def calltarget64: Operand<i64>;
156 def simm16 : Operand<i32>;
157 def simm16_64 : Operand<i64>;
158 def shamt : Operand<i32>;
161 def uimm16 : Operand<i32> {
162 let PrintMethod = "printUnsignedImm";
166 def mem : Operand<i32> {
167 let PrintMethod = "printMemOperand";
168 let MIOperandInfo = (ops CPURegs, simm16);
169 let EncoderMethod = "getMemEncoding";
172 def mem64 : Operand<i64> {
173 let PrintMethod = "printMemOperand";
174 let MIOperandInfo = (ops CPU64Regs, simm16_64);
177 def mem_ea : Operand<i32> {
178 let PrintMethod = "printMemOperandEA";
179 let MIOperandInfo = (ops CPURegs, simm16);
180 let EncoderMethod = "getMemEncoding";
183 def mem_ea_64 : Operand<i64> {
184 let PrintMethod = "printMemOperandEA";
185 let MIOperandInfo = (ops CPU64Regs, simm16_64);
186 let EncoderMethod = "getMemEncoding";
189 // size operand of ext instruction
190 def size_ext : Operand<i32> {
191 let EncoderMethod = "getSizeExtEncoding";
194 // size operand of ins instruction
195 def size_ins : Operand<i32> {
196 let EncoderMethod = "getSizeInsEncoding";
199 // Transformation Function - get the lower 16 bits.
200 def LO16 : SDNodeXForm<imm, [{
201 return getImm(N, N->getZExtValue() & 0xFFFF);
204 // Transformation Function - get the higher 16 bits.
205 def HI16 : SDNodeXForm<imm, [{
206 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
209 // Node immediate fits as 16-bit sign extended on target immediate.
211 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
213 // Node immediate fits as 16-bit zero extended on target immediate.
214 // The LO16 param means that only the lower 16 bits of the node
215 // immediate are caught.
217 def immZExt16 : PatLeaf<(imm), [{
218 if (N->getValueType(0) == MVT::i32)
219 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
221 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
224 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
225 def immLow16Zero : PatLeaf<(imm), [{
226 int64_t Val = N->getSExtValue();
227 return isInt<32>(Val) && !(Val & 0xffff);
230 // shamt field must fit in 5 bits.
231 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
233 // Mips Address Mode! SDNode frameindex could possibily be a match
234 // since load and store instructions from stack used it.
235 def addr : ComplexPattern<iPTR, 2, "SelectAddr", [frameindex], [SDNPWantParent]>;
237 //===----------------------------------------------------------------------===//
238 // Pattern fragment for load/store
239 //===----------------------------------------------------------------------===//
240 class UnalignedLoad<PatFrag Node> :
241 PatFrag<(ops node:$ptr), (Node node:$ptr), [{
242 LoadSDNode *LD = cast<LoadSDNode>(N);
243 return LD->getMemoryVT().getSizeInBits()/8 > LD->getAlignment();
246 class AlignedLoad<PatFrag Node> :
247 PatFrag<(ops node:$ptr), (Node node:$ptr), [{
248 LoadSDNode *LD = cast<LoadSDNode>(N);
249 return LD->getMemoryVT().getSizeInBits()/8 <= LD->getAlignment();
252 class UnalignedStore<PatFrag Node> :
253 PatFrag<(ops node:$val, node:$ptr), (Node node:$val, node:$ptr), [{
254 StoreSDNode *SD = cast<StoreSDNode>(N);
255 return SD->getMemoryVT().getSizeInBits()/8 > SD->getAlignment();
258 class AlignedStore<PatFrag Node> :
259 PatFrag<(ops node:$val, node:$ptr), (Node node:$val, node:$ptr), [{
260 StoreSDNode *SD = cast<StoreSDNode>(N);
261 return SD->getMemoryVT().getSizeInBits()/8 <= SD->getAlignment();
264 // Load/Store PatFrags.
265 def sextloadi16_a : AlignedLoad<sextloadi16>;
266 def zextloadi16_a : AlignedLoad<zextloadi16>;
267 def extloadi16_a : AlignedLoad<extloadi16>;
268 def load_a : AlignedLoad<load>;
269 def sextloadi32_a : AlignedLoad<sextloadi32>;
270 def zextloadi32_a : AlignedLoad<zextloadi32>;
271 def extloadi32_a : AlignedLoad<extloadi32>;
272 def truncstorei16_a : AlignedStore<truncstorei16>;
273 def store_a : AlignedStore<store>;
274 def truncstorei32_a : AlignedStore<truncstorei32>;
275 def sextloadi16_u : UnalignedLoad<sextloadi16>;
276 def zextloadi16_u : UnalignedLoad<zextloadi16>;
277 def extloadi16_u : UnalignedLoad<extloadi16>;
278 def load_u : UnalignedLoad<load>;
279 def sextloadi32_u : UnalignedLoad<sextloadi32>;
280 def zextloadi32_u : UnalignedLoad<zextloadi32>;
281 def extloadi32_u : UnalignedLoad<extloadi32>;
282 def truncstorei16_u : UnalignedStore<truncstorei16>;
283 def store_u : UnalignedStore<store>;
284 def truncstorei32_u : UnalignedStore<truncstorei32>;
286 //===----------------------------------------------------------------------===//
287 // Instructions specific format
288 //===----------------------------------------------------------------------===//
290 // Arithmetic and logical instructions with 3 register operands.
291 class ArithLogicR<bits<6> op, bits<6> func, string instr_asm, SDNode OpNode,
292 InstrItinClass itin, RegisterClass RC, bit isComm = 0>:
293 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
294 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
295 [(set RC:$rd, (OpNode RC:$rs, RC:$rt))], itin> {
297 let isCommutable = isComm;
300 class ArithOverflowR<bits<6> op, bits<6> func, string instr_asm,
301 InstrItinClass itin, RegisterClass RC, bit isComm = 0>:
302 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
303 !strconcat(instr_asm, "\t$rd, $rs, $rt"), [], itin> {
305 let isCommutable = isComm;
308 // Arithmetic and logical instructions with 2 register operands.
309 class ArithLogicI<bits<6> op, string instr_asm, SDNode OpNode,
310 Operand Od, PatLeaf imm_type, RegisterClass RC> :
311 FI<op, (outs RC:$rt), (ins RC:$rs, Od:$imm16),
312 !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
313 [(set RC:$rt, (OpNode RC:$rs, imm_type:$imm16))], IIAlu>;
315 class ArithOverflowI<bits<6> op, string instr_asm, SDNode OpNode,
316 Operand Od, PatLeaf imm_type, RegisterClass RC> :
317 FI<op, (outs RC:$rt), (ins RC:$rs, Od:$imm16),
318 !strconcat(instr_asm, "\t$rt, $rs, $imm16"), [], IIAlu>;
320 // Arithmetic Multiply ADD/SUB
321 let rd = 0, shamt = 0, Defs = [HI, LO], Uses = [HI, LO] in
322 class MArithR<bits<6> func, string instr_asm, SDNode op, bit isComm = 0> :
323 FR<0x1c, func, (outs), (ins CPURegs:$rs, CPURegs:$rt),
324 !strconcat(instr_asm, "\t$rs, $rt"),
325 [(op CPURegs:$rs, CPURegs:$rt, LO, HI)], IIImul> {
328 let isCommutable = isComm;
332 class LogicNOR<bits<6> op, bits<6> func, string instr_asm, RegisterClass RC>:
333 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
334 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
335 [(set RC:$rd, (not (or RC:$rs, RC:$rt)))], IIAlu> {
337 let isCommutable = 1;
341 class shift_rotate_imm<bits<6> func, bits<5> isRotate, string instr_asm,
342 SDNode OpNode, PatFrag PF, Operand ImmOpnd,
344 FR<0x00, func, (outs RC:$rd), (ins RC:$rt, ImmOpnd:$shamt),
345 !strconcat(instr_asm, "\t$rd, $rt, $shamt"),
346 [(set RC:$rd, (OpNode RC:$rt, PF:$shamt))], IIAlu> {
350 // 32-bit shift instructions.
351 class shift_rotate_imm32<bits<6> func, bits<5> isRotate, string instr_asm,
353 shift_rotate_imm<func, isRotate, instr_asm, OpNode, immZExt5, shamt, CPURegs>;
355 class shift_rotate_reg<bits<6> func, bits<5> isRotate, string instr_asm,
356 SDNode OpNode, RegisterClass RC>:
357 FR<0x00, func, (outs RC:$rd), (ins CPURegs:$rs, RC:$rt),
358 !strconcat(instr_asm, "\t$rd, $rt, $rs"),
359 [(set RC:$rd, (OpNode RC:$rt, CPURegs:$rs))], IIAlu> {
360 let shamt = isRotate;
363 // Load Upper Imediate
364 class LoadUpper<bits<6> op, string instr_asm, RegisterClass RC, Operand Imm>:
365 FI<op, (outs RC:$rt), (ins Imm:$imm16),
366 !strconcat(instr_asm, "\t$rt, $imm16"), [], IIAlu> {
368 let neverHasSideEffects = 1;
371 class FMem<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern,
372 InstrItinClass itin>: FFI<op, outs, ins, asmstr, pattern> {
374 let Inst{25-21} = addr{20-16};
375 let Inst{15-0} = addr{15-0};
379 let canFoldAsLoad = 1 in
380 class LoadM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
381 Operand MemOpnd, bit Pseudo>:
382 FMem<op, (outs RC:$rt), (ins MemOpnd:$addr),
383 !strconcat(instr_asm, "\t$rt, $addr"),
384 [(set RC:$rt, (OpNode addr:$addr))], IILoad> {
385 let isPseudo = Pseudo;
388 class StoreM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
389 Operand MemOpnd, bit Pseudo>:
390 FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr),
391 !strconcat(instr_asm, "\t$rt, $addr"),
392 [(OpNode RC:$rt, addr:$addr)], IIStore> {
393 let isPseudo = Pseudo;
396 // Unaligned Memory Load/Store
397 let canFoldAsLoad = 1 in
398 class LoadUnAlign<bits<6> op, RegisterClass RC, Operand MemOpnd>:
399 FMem<op, (outs RC:$rt), (ins MemOpnd:$addr), "", [], IILoad> {}
401 class StoreUnAlign<bits<6> op, RegisterClass RC, Operand MemOpnd>:
402 FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr), "", [], IIStore> {}
405 multiclass LoadM32<bits<6> op, string instr_asm, PatFrag OpNode,
407 def #NAME# : LoadM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
409 def _P8 : LoadM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
414 multiclass LoadM64<bits<6> op, string instr_asm, PatFrag OpNode,
416 def #NAME# : LoadM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
418 def _P8 : LoadM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
423 multiclass LoadUnAlign32<bits<6> op> {
424 def #NAME# : LoadUnAlign<op, CPURegs, mem>,
426 def _P8 : LoadUnAlign<op, CPURegs, mem64>,
430 multiclass StoreM32<bits<6> op, string instr_asm, PatFrag OpNode,
432 def #NAME# : StoreM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
434 def _P8 : StoreM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
439 multiclass StoreM64<bits<6> op, string instr_asm, PatFrag OpNode,
441 def #NAME# : StoreM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
443 def _P8 : StoreM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
448 multiclass StoreUnAlign32<bits<6> op> {
449 def #NAME# : StoreUnAlign<op, CPURegs, mem>,
451 def _P8 : StoreUnAlign<op, CPURegs, mem64>,
455 // Conditional Branch
456 class CBranch<bits<6> op, string instr_asm, PatFrag cond_op, RegisterClass RC>:
457 BranchBase<op, (outs), (ins RC:$rs, RC:$rt, brtarget:$imm16),
458 !strconcat(instr_asm, "\t$rs, $rt, $imm16"),
459 [(brcond (i32 (cond_op RC:$rs, RC:$rt)), bb:$imm16)], IIBranch> {
461 let isTerminator = 1;
462 let hasDelaySlot = 1;
465 class CBranchZero<bits<6> op, bits<5> _rt, string instr_asm, PatFrag cond_op,
467 BranchBase<op, (outs), (ins RC:$rs, brtarget:$imm16),
468 !strconcat(instr_asm, "\t$rs, $imm16"),
469 [(brcond (i32 (cond_op RC:$rs, 0)), bb:$imm16)], IIBranch> {
472 let isTerminator = 1;
473 let hasDelaySlot = 1;
477 class SetCC_R<bits<6> op, bits<6> func, string instr_asm, PatFrag cond_op,
479 FR<op, func, (outs CPURegs:$rd), (ins RC:$rs, RC:$rt),
480 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
481 [(set CPURegs:$rd, (cond_op RC:$rs, RC:$rt))],
486 class SetCC_I<bits<6> op, string instr_asm, PatFrag cond_op, Operand Od,
487 PatLeaf imm_type, RegisterClass RC>:
488 FI<op, (outs CPURegs:$rt), (ins RC:$rs, Od:$imm16),
489 !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
490 [(set CPURegs:$rt, (cond_op RC:$rs, imm_type:$imm16))],
494 class JumpFJ<bits<6> op, string instr_asm>:
495 FJ<op, (outs), (ins jmptarget:$target),
496 !strconcat(instr_asm, "\t$target"), [(br bb:$target)], IIBranch> {
500 let hasDelaySlot = 1;
501 let Predicates = [RelocStatic];
504 // Unconditional branch
505 class UncondBranch<bits<6> op, string instr_asm>:
506 BranchBase<op, (outs), (ins brtarget:$imm16),
507 !strconcat(instr_asm, "\t$imm16"), [(br bb:$imm16)], IIBranch> {
511 let isTerminator = 1;
513 let hasDelaySlot = 1;
514 let Predicates = [RelocPIC];
517 let isBranch=1, isTerminator=1, isBarrier=1, rd=0, hasDelaySlot = 1,
518 isIndirectBranch = 1 in
519 class JumpFR<bits<6> op, bits<6> func, string instr_asm, RegisterClass RC>:
520 FR<op, func, (outs), (ins RC:$rs),
521 !strconcat(instr_asm, "\t$rs"), [(brind RC:$rs)], IIBranch> {
527 // Jump and Link (Call)
528 let isCall=1, hasDelaySlot=1 in {
529 class JumpLink<bits<6> op, string instr_asm>:
530 FJ<op, (outs), (ins calltarget:$target, variable_ops),
531 !strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
534 class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm,
536 FR<op, func, (outs), (ins RC:$rs, variable_ops),
537 !strconcat(instr_asm, "\t$rs"), [(MipsJmpLink RC:$rs)], IIBranch> {
543 class BranchLink<string instr_asm, bits<5> _rt, RegisterClass RC>:
544 FI<0x1, (outs), (ins RC:$rs, brtarget:$imm16, variable_ops),
545 !strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch> {
551 class Mult<bits<6> func, string instr_asm, InstrItinClass itin,
552 RegisterClass RC, list<Register> DefRegs>:
553 FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
554 !strconcat(instr_asm, "\t$rs, $rt"), [], itin> {
557 let isCommutable = 1;
559 let neverHasSideEffects = 1;
562 class Mult32<bits<6> func, string instr_asm, InstrItinClass itin>:
563 Mult<func, instr_asm, itin, CPURegs, [HI, LO]>;
565 class Div<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin,
566 RegisterClass RC, list<Register> DefRegs>:
567 FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
568 !strconcat(instr_asm, "\t$$zero, $rs, $rt"),
569 [(op RC:$rs, RC:$rt)], itin> {
575 class Div32<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
576 Div<op, func, instr_asm, itin, CPURegs, [HI, LO]>;
579 class MoveFromLOHI<bits<6> func, string instr_asm, RegisterClass RC,
580 list<Register> UseRegs>:
581 FR<0x00, func, (outs RC:$rd), (ins),
582 !strconcat(instr_asm, "\t$rd"), [], IIHiLo> {
587 let neverHasSideEffects = 1;
590 class MoveToLOHI<bits<6> func, string instr_asm, RegisterClass RC,
591 list<Register> DefRegs>:
592 FR<0x00, func, (outs), (ins RC:$rs),
593 !strconcat(instr_asm, "\t$rs"), [], IIHiLo> {
598 let neverHasSideEffects = 1;
601 class EffectiveAddress<string instr_asm, RegisterClass RC, Operand Mem> :
602 FMem<0x09, (outs RC:$rt), (ins Mem:$addr),
603 instr_asm, [(set RC:$rt, addr:$addr)], IIAlu>;
605 // Count Leading Ones/Zeros in Word
606 class CountLeading0<bits<6> func, string instr_asm, RegisterClass RC>:
607 FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
608 !strconcat(instr_asm, "\t$rd, $rs"),
609 [(set RC:$rd, (ctlz RC:$rs))], IIAlu>,
610 Requires<[HasBitCount]> {
615 class CountLeading1<bits<6> func, string instr_asm, RegisterClass RC>:
616 FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
617 !strconcat(instr_asm, "\t$rd, $rs"),
618 [(set RC:$rd, (ctlz (not RC:$rs)))], IIAlu>,
619 Requires<[HasBitCount]> {
624 // Sign Extend in Register.
625 class SignExtInReg<bits<5> sa, string instr_asm, ValueType vt,
627 FR<0x1f, 0x20, (outs RC:$rd), (ins RC:$rt),
628 !strconcat(instr_asm, "\t$rd, $rt"),
629 [(set RC:$rd, (sext_inreg RC:$rt, vt))], NoItinerary> {
632 let Predicates = [HasSEInReg];
636 class SubwordSwap<bits<6> func, bits<5> sa, string instr_asm, RegisterClass RC>:
637 FR<0x1f, func, (outs RC:$rd), (ins RC:$rt),
638 !strconcat(instr_asm, "\t$rd, $rt"), [], NoItinerary> {
641 let Predicates = [HasSwap];
642 let neverHasSideEffects = 1;
646 class ReadHardware<RegisterClass CPURegClass, RegisterClass HWRegClass>
647 : FR<0x1f, 0x3b, (outs CPURegClass:$rt), (ins HWRegClass:$rd),
648 "rdhwr\t$rt, $rd", [], IIAlu> {
654 class ExtBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
655 FR<0x1f, _funct, (outs RC:$rt), (ins RC:$rs, uimm16:$pos, size_ext:$sz),
656 !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
657 [(set RC:$rt, (MipsExt RC:$rs, imm:$pos, imm:$sz))], NoItinerary> {
662 let Predicates = [HasMips32r2];
665 class InsBase<bits<6> _funct, string instr_asm, RegisterClass RC>:
666 FR<0x1f, _funct, (outs RC:$rt),
667 (ins RC:$rs, uimm16:$pos, size_ins:$sz, RC:$src),
668 !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
669 [(set RC:$rt, (MipsIns RC:$rs, imm:$pos, imm:$sz, RC:$src))],
675 let Predicates = [HasMips32r2];
676 let Constraints = "$src = $rt";
679 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
680 class Atomic2Ops<PatFrag Op, string Opstr, RegisterClass DRC,
682 MipsPseudo<(outs DRC:$dst), (ins PRC:$ptr, DRC:$incr),
683 !strconcat("atomic_", Opstr, "\t$dst, $ptr, $incr"),
684 [(set DRC:$dst, (Op PRC:$ptr, DRC:$incr))]>;
686 multiclass Atomic2Ops32<PatFrag Op, string Opstr> {
687 def #NAME# : Atomic2Ops<Op, Opstr, CPURegs, CPURegs>, Requires<[NotN64]>;
688 def _P8 : Atomic2Ops<Op, Opstr, CPURegs, CPU64Regs>, Requires<[IsN64]>;
691 // Atomic Compare & Swap.
692 class AtomicCmpSwap<PatFrag Op, string Width, RegisterClass DRC,
694 MipsPseudo<(outs DRC:$dst), (ins PRC:$ptr, DRC:$cmp, DRC:$swap),
695 !strconcat("atomic_cmp_swap_", Width, "\t$dst, $ptr, $cmp, $swap"),
696 [(set DRC:$dst, (Op PRC:$ptr, DRC:$cmp, DRC:$swap))]>;
698 multiclass AtomicCmpSwap32<PatFrag Op, string Width> {
699 def #NAME# : AtomicCmpSwap<Op, Width, CPURegs, CPURegs>, Requires<[NotN64]>;
700 def _P8 : AtomicCmpSwap<Op, Width, CPURegs, CPU64Regs>, Requires<[IsN64]>;
703 class LLBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
704 FMem<Opc, (outs RC:$rt), (ins Mem:$addr),
705 !strconcat(opstring, "\t$rt, $addr"), [], IILoad> {
709 class SCBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
710 FMem<Opc, (outs RC:$dst), (ins RC:$rt, Mem:$addr),
711 !strconcat(opstring, "\t$rt, $addr"), [], IIStore> {
713 let Constraints = "$rt = $dst";
716 //===----------------------------------------------------------------------===//
717 // Pseudo instructions
718 //===----------------------------------------------------------------------===//
720 // As stack alignment is always done with addiu, we need a 16-bit immediate
721 let Defs = [SP], Uses = [SP] in {
722 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins uimm16:$amt),
723 "!ADJCALLSTACKDOWN $amt",
724 [(callseq_start timm:$amt)]>;
725 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins uimm16:$amt1, uimm16:$amt2),
726 "!ADJCALLSTACKUP $amt1",
727 [(callseq_end timm:$amt1, timm:$amt2)]>;
730 // Some assembly macros need to avoid pseudoinstructions and assembler
731 // automatic reodering, we should reorder ourselves.
732 def MACRO : MipsPseudo<(outs), (ins), ".set\tmacro", []>;
733 def REORDER : MipsPseudo<(outs), (ins), ".set\treorder", []>;
734 def NOMACRO : MipsPseudo<(outs), (ins), ".set\tnomacro", []>;
735 def NOREORDER : MipsPseudo<(outs), (ins), ".set\tnoreorder", []>;
737 // These macros are inserted to prevent GAS from complaining
738 // when using the AT register.
739 def NOAT : MipsPseudo<(outs), (ins), ".set\tnoat", []>;
740 def ATMACRO : MipsPseudo<(outs), (ins), ".set\tat", []>;
742 // When handling PIC code the assembler needs .cpload and .cprestore
743 // directives. If the real instructions corresponding these directives
744 // are used, we have the same behavior, but get also a bunch of warnings
745 // from the assembler.
746 def CPLOAD : MipsPseudo<(outs), (ins CPURegs:$picreg), ".cpload\t$picreg", []>;
747 def CPRESTORE : MipsPseudo<(outs), (ins i32imm:$loc), ".cprestore\t$loc", []>;
749 // For O32 ABI & PIC & non-fixed global base register, the following instruction
750 // seqeunce is emitted to set the global base register:
752 // 0. lui $2, %hi(_gp_disp)
753 // 1. addiu $2, $2, %lo(_gp_disp)
754 // 2. addu $globalbasereg, $2, $t9
756 // SETGP01 is emitted during Prologue/Epilogue insertion and then converted to
757 // instructions 0 and 1 in the sequence above during MC lowering.
758 // SETGP2 is emitted just before register allocation and converted to
759 // instruction 2 just prior to post-RA scheduling.
761 // These pseudo instructions are needed to ensure no instructions are inserted
762 // before or between instructions 0 and 1, which is a limitation imposed by
765 def SETGP01 : MipsPseudo<(outs CPURegs:$dst), (ins), "", []>;
766 def SETGP2 : MipsPseudo<(outs CPURegs:$globalreg), (ins CPURegs:$picreg), "",
769 let usesCustomInserter = 1 in {
770 defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8, "load_add_8">;
771 defm ATOMIC_LOAD_ADD_I16 : Atomic2Ops32<atomic_load_add_16, "load_add_16">;
772 defm ATOMIC_LOAD_ADD_I32 : Atomic2Ops32<atomic_load_add_32, "load_add_32">;
773 defm ATOMIC_LOAD_SUB_I8 : Atomic2Ops32<atomic_load_sub_8, "load_sub_8">;
774 defm ATOMIC_LOAD_SUB_I16 : Atomic2Ops32<atomic_load_sub_16, "load_sub_16">;
775 defm ATOMIC_LOAD_SUB_I32 : Atomic2Ops32<atomic_load_sub_32, "load_sub_32">;
776 defm ATOMIC_LOAD_AND_I8 : Atomic2Ops32<atomic_load_and_8, "load_and_8">;
777 defm ATOMIC_LOAD_AND_I16 : Atomic2Ops32<atomic_load_and_16, "load_and_16">;
778 defm ATOMIC_LOAD_AND_I32 : Atomic2Ops32<atomic_load_and_32, "load_and_32">;
779 defm ATOMIC_LOAD_OR_I8 : Atomic2Ops32<atomic_load_or_8, "load_or_8">;
780 defm ATOMIC_LOAD_OR_I16 : Atomic2Ops32<atomic_load_or_16, "load_or_16">;
781 defm ATOMIC_LOAD_OR_I32 : Atomic2Ops32<atomic_load_or_32, "load_or_32">;
782 defm ATOMIC_LOAD_XOR_I8 : Atomic2Ops32<atomic_load_xor_8, "load_xor_8">;
783 defm ATOMIC_LOAD_XOR_I16 : Atomic2Ops32<atomic_load_xor_16, "load_xor_16">;
784 defm ATOMIC_LOAD_XOR_I32 : Atomic2Ops32<atomic_load_xor_32, "load_xor_32">;
785 defm ATOMIC_LOAD_NAND_I8 : Atomic2Ops32<atomic_load_nand_8, "load_nand_8">;
786 defm ATOMIC_LOAD_NAND_I16 : Atomic2Ops32<atomic_load_nand_16, "load_nand_16">;
787 defm ATOMIC_LOAD_NAND_I32 : Atomic2Ops32<atomic_load_nand_32, "load_nand_32">;
789 defm ATOMIC_SWAP_I8 : Atomic2Ops32<atomic_swap_8, "swap_8">;
790 defm ATOMIC_SWAP_I16 : Atomic2Ops32<atomic_swap_16, "swap_16">;
791 defm ATOMIC_SWAP_I32 : Atomic2Ops32<atomic_swap_32, "swap_32">;
793 defm ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap32<atomic_cmp_swap_8, "8">;
794 defm ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap32<atomic_cmp_swap_16, "16">;
795 defm ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap32<atomic_cmp_swap_32, "32">;
798 //===----------------------------------------------------------------------===//
799 // Instruction definition
800 //===----------------------------------------------------------------------===//
802 //===----------------------------------------------------------------------===//
803 // MipsI Instructions
804 //===----------------------------------------------------------------------===//
806 /// Arithmetic Instructions (ALU Immediate)
807 def ADDiu : ArithLogicI<0x09, "addiu", add, simm16, immSExt16, CPURegs>;
808 def ADDi : ArithOverflowI<0x08, "addi", add, simm16, immSExt16, CPURegs>;
809 def SLTi : SetCC_I<0x0a, "slti", setlt, simm16, immSExt16, CPURegs>;
810 def SLTiu : SetCC_I<0x0b, "sltiu", setult, simm16, immSExt16, CPURegs>;
811 def ANDi : ArithLogicI<0x0c, "andi", and, uimm16, immZExt16, CPURegs>;
812 def ORi : ArithLogicI<0x0d, "ori", or, uimm16, immZExt16, CPURegs>;
813 def XORi : ArithLogicI<0x0e, "xori", xor, uimm16, immZExt16, CPURegs>;
814 def LUi : LoadUpper<0x0f, "lui", CPURegs, uimm16>;
816 /// Arithmetic Instructions (3-Operand, R-Type)
817 def ADDu : ArithLogicR<0x00, 0x21, "addu", add, IIAlu, CPURegs, 1>;
818 def SUBu : ArithLogicR<0x00, 0x23, "subu", sub, IIAlu, CPURegs>;
819 def ADD : ArithOverflowR<0x00, 0x20, "add", IIAlu, CPURegs, 1>;
820 def SUB : ArithOverflowR<0x00, 0x22, "sub", IIAlu, CPURegs>;
821 def SLT : SetCC_R<0x00, 0x2a, "slt", setlt, CPURegs>;
822 def SLTu : SetCC_R<0x00, 0x2b, "sltu", setult, CPURegs>;
823 def AND : ArithLogicR<0x00, 0x24, "and", and, IIAlu, CPURegs, 1>;
824 def OR : ArithLogicR<0x00, 0x25, "or", or, IIAlu, CPURegs, 1>;
825 def XOR : ArithLogicR<0x00, 0x26, "xor", xor, IIAlu, CPURegs, 1>;
826 def NOR : LogicNOR<0x00, 0x27, "nor", CPURegs>;
828 /// Shift Instructions
829 def SLL : shift_rotate_imm32<0x00, 0x00, "sll", shl>;
830 def SRL : shift_rotate_imm32<0x02, 0x00, "srl", srl>;
831 def SRA : shift_rotate_imm32<0x03, 0x00, "sra", sra>;
832 def SLLV : shift_rotate_reg<0x04, 0x00, "sllv", shl, CPURegs>;
833 def SRLV : shift_rotate_reg<0x06, 0x00, "srlv", srl, CPURegs>;
834 def SRAV : shift_rotate_reg<0x07, 0x00, "srav", sra, CPURegs>;
836 // Rotate Instructions
837 let Predicates = [HasMips32r2] in {
838 def ROTR : shift_rotate_imm32<0x02, 0x01, "rotr", rotr>;
839 def ROTRV : shift_rotate_reg<0x06, 0x01, "rotrv", rotr, CPURegs>;
842 /// Load and Store Instructions
844 defm LB : LoadM32<0x20, "lb", sextloadi8>;
845 defm LBu : LoadM32<0x24, "lbu", zextloadi8>;
846 defm LH : LoadM32<0x21, "lh", sextloadi16_a>;
847 defm LHu : LoadM32<0x25, "lhu", zextloadi16_a>;
848 defm LW : LoadM32<0x23, "lw", load_a>;
849 defm SB : StoreM32<0x28, "sb", truncstorei8>;
850 defm SH : StoreM32<0x29, "sh", truncstorei16_a>;
851 defm SW : StoreM32<0x2b, "sw", store_a>;
854 defm ULH : LoadM32<0x21, "ulh", sextloadi16_u, 1>;
855 defm ULHu : LoadM32<0x25, "ulhu", zextloadi16_u, 1>;
856 defm ULW : LoadM32<0x23, "ulw", load_u, 1>;
857 defm USH : StoreM32<0x29, "ush", truncstorei16_u, 1>;
858 defm USW : StoreM32<0x2b, "usw", store_u, 1>;
860 /// Primitives for unaligned
861 defm LWL : LoadUnAlign32<0x22>;
862 defm LWR : LoadUnAlign32<0x26>;
863 defm SWL : StoreUnAlign32<0x2A>;
864 defm SWR : StoreUnAlign32<0x2E>;
866 let hasSideEffects = 1 in
867 def SYNC : MipsInst<(outs), (ins i32imm:$stype), "sync $stype",
868 [(MipsSync imm:$stype)], NoItinerary, FrmOther>
873 let Inst{10-6} = stype;
877 /// Load-linked, Store-conditional
878 def LL : LLBase<0x30, "ll", CPURegs, mem>, Requires<[NotN64]>;
879 def LL_P8 : LLBase<0x30, "ll", CPURegs, mem64>, Requires<[IsN64]>;
880 def SC : SCBase<0x38, "sc", CPURegs, mem>, Requires<[NotN64]>;
881 def SC_P8 : SCBase<0x38, "sc", CPURegs, mem64>, Requires<[IsN64]>;
883 /// Jump and Branch Instructions
884 def J : JumpFJ<0x02, "j">;
885 def JR : JumpFR<0x00, 0x08, "jr", CPURegs>;
886 def B : UncondBranch<0x04, "b">;
887 def BEQ : CBranch<0x04, "beq", seteq, CPURegs>;
888 def BNE : CBranch<0x05, "bne", setne, CPURegs>;
889 def BGEZ : CBranchZero<0x01, 1, "bgez", setge, CPURegs>;
890 def BGTZ : CBranchZero<0x07, 0, "bgtz", setgt, CPURegs>;
891 def BLEZ : CBranchZero<0x06, 0, "blez", setle, CPURegs>;
892 def BLTZ : CBranchZero<0x01, 0, "bltz", setlt, CPURegs>;
894 def JAL : JumpLink<0x03, "jal">;
895 def JALR : JumpLinkReg<0x00, 0x09, "jalr", CPURegs>;
896 def BGEZAL : BranchLink<"bgezal", 0x11, CPURegs>;
897 def BLTZAL : BranchLink<"bltzal", 0x10, CPURegs>;
899 let isReturn=1, isTerminator=1, hasDelaySlot=1,
900 isBarrier=1, hasCtrlDep=1, rd=0, rt=0, shamt=0 in
901 def RET : FR <0x00, 0x08, (outs), (ins CPURegs:$target),
902 "jr\t$target", [(MipsRet CPURegs:$target)], IIBranch>;
904 /// Multiply and Divide Instructions.
905 def MULT : Mult32<0x18, "mult", IIImul>;
906 def MULTu : Mult32<0x19, "multu", IIImul>;
907 def SDIV : Div32<MipsDivRem, 0x1a, "div", IIIdiv>;
908 def UDIV : Div32<MipsDivRemU, 0x1b, "divu", IIIdiv>;
910 def MTHI : MoveToLOHI<0x11, "mthi", CPURegs, [HI]>;
911 def MTLO : MoveToLOHI<0x13, "mtlo", CPURegs, [LO]>;
912 def MFHI : MoveFromLOHI<0x10, "mfhi", CPURegs, [HI]>;
913 def MFLO : MoveFromLOHI<0x12, "mflo", CPURegs, [LO]>;
915 /// Sign Ext In Register Instructions.
916 def SEB : SignExtInReg<0x10, "seb", i8, CPURegs>;
917 def SEH : SignExtInReg<0x18, "seh", i16, CPURegs>;
920 def CLZ : CountLeading0<0x20, "clz", CPURegs>;
921 def CLO : CountLeading1<0x21, "clo", CPURegs>;
923 /// Word Swap Bytes Within Halfwords
924 def WSBH : SubwordSwap<0x20, 0x2, "wsbh", CPURegs>;
928 def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
930 // FrameIndexes are legalized when they are operands from load/store
931 // instructions. The same not happens for stack address copies, so an
932 // add op with mem ComplexPattern is used and the stack address copy
933 // can be matched. It's similar to Sparc LEA_ADDRi
934 def LEA_ADDiu : EffectiveAddress<"addiu\t$rt, $addr", CPURegs, mem_ea>;
936 // DynAlloc node points to dynamically allocated stack space.
937 // $sp is added to the list of implicitly used registers to prevent dead code
938 // elimination from removing instructions that modify $sp.
940 def DynAlloc : EffectiveAddress<"addiu\t$rt, $addr", CPURegs, mem_ea>;
943 def MADD : MArithR<0, "madd", MipsMAdd, 1>;
944 def MADDU : MArithR<1, "maddu", MipsMAddu, 1>;
945 def MSUB : MArithR<4, "msub", MipsMSub>;
946 def MSUBU : MArithR<5, "msubu", MipsMSubu>;
948 // MUL is a assembly macro in the current used ISAs. In recent ISA's
949 // it is a real instruction.
950 def MUL : ArithLogicR<0x1c, 0x02, "mul", mul, IIImul, CPURegs, 1>,
951 Requires<[HasMips32]>;
953 def RDHWR : ReadHardware<CPURegs, HWRegs>;
955 def EXT : ExtBase<0, "ext", CPURegs>;
956 def INS : InsBase<4, "ins", CPURegs>;
958 //===----------------------------------------------------------------------===//
959 // Arbitrary patterns that map to one or more instructions
960 //===----------------------------------------------------------------------===//
963 def : Pat<(i32 immSExt16:$in),
964 (ADDiu ZERO, imm:$in)>;
965 def : Pat<(i32 immZExt16:$in),
966 (ORi ZERO, imm:$in)>;
967 def : Pat<(i32 immLow16Zero:$in),
968 (LUi (HI16 imm:$in))>;
970 // Arbitrary immediates
971 def : Pat<(i32 imm:$imm),
972 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
975 def : Pat<(subc CPURegs:$lhs, CPURegs:$rhs),
976 (SUBu CPURegs:$lhs, CPURegs:$rhs)>;
977 def : Pat<(addc CPURegs:$lhs, CPURegs:$rhs),
978 (ADDu CPURegs:$lhs, CPURegs:$rhs)>;
979 def : Pat<(addc CPURegs:$src, immSExt16:$imm),
980 (ADDiu CPURegs:$src, imm:$imm)>;
983 def : Pat<(MipsJmpLink (i32 tglobaladdr:$dst)),
984 (JAL tglobaladdr:$dst)>;
985 def : Pat<(MipsJmpLink (i32 texternalsym:$dst)),
986 (JAL texternalsym:$dst)>;
987 //def : Pat<(MipsJmpLink CPURegs:$dst),
988 // (JALR CPURegs:$dst)>;
991 def : Pat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
992 def : Pat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
993 def : Pat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
994 def : Pat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
995 def : Pat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
997 def : Pat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
998 def : Pat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
999 def : Pat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1000 def : Pat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1001 def : Pat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1003 def : Pat<(add CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
1004 (ADDiu CPURegs:$hi, tglobaladdr:$lo)>;
1005 def : Pat<(add CPURegs:$hi, (MipsLo tblockaddress:$lo)),
1006 (ADDiu CPURegs:$hi, tblockaddress:$lo)>;
1007 def : Pat<(add CPURegs:$hi, (MipsLo tjumptable:$lo)),
1008 (ADDiu CPURegs:$hi, tjumptable:$lo)>;
1009 def : Pat<(add CPURegs:$hi, (MipsLo tconstpool:$lo)),
1010 (ADDiu CPURegs:$hi, tconstpool:$lo)>;
1011 def : Pat<(add CPURegs:$hi, (MipsLo tglobaltlsaddr:$lo)),
1012 (ADDiu CPURegs:$hi, tglobaltlsaddr:$lo)>;
1015 def : Pat<(add CPURegs:$gp, (MipsGPRel tglobaladdr:$in)),
1016 (ADDiu CPURegs:$gp, tglobaladdr:$in)>;
1017 def : Pat<(add CPURegs:$gp, (MipsGPRel tconstpool:$in)),
1018 (ADDiu CPURegs:$gp, tconstpool:$in)>;
1021 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1022 Pat<(MipsWrapper RC:$gp, node:$in),
1023 (ADDiuOp RC:$gp, node:$in)>;
1025 def : WrapperPat<tglobaladdr, ADDiu, CPURegs>;
1026 def : WrapperPat<tconstpool, ADDiu, CPURegs>;
1027 def : WrapperPat<texternalsym, ADDiu, CPURegs>;
1028 def : WrapperPat<tblockaddress, ADDiu, CPURegs>;
1029 def : WrapperPat<tjumptable, ADDiu, CPURegs>;
1030 def : WrapperPat<tglobaltlsaddr, ADDiu, CPURegs>;
1032 // Mips does not have "not", so we expand our way
1033 def : Pat<(not CPURegs:$in),
1034 (NOR CPURegs:$in, ZERO)>;
1037 let Predicates = [NotN64] in {
1038 def : Pat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1039 def : Pat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1040 def : Pat<(i32 (extloadi16_a addr:$src)), (LHu addr:$src)>;
1041 def : Pat<(i32 (extloadi16_u addr:$src)), (ULHu addr:$src)>;
1043 let Predicates = [IsN64] in {
1044 def : Pat<(i32 (extloadi1 addr:$src)), (LBu_P8 addr:$src)>;
1045 def : Pat<(i32 (extloadi8 addr:$src)), (LBu_P8 addr:$src)>;
1046 def : Pat<(i32 (extloadi16_a addr:$src)), (LHu_P8 addr:$src)>;
1047 def : Pat<(i32 (extloadi16_u addr:$src)), (ULHu_P8 addr:$src)>;
1051 let Predicates = [NotN64] in {
1052 def : Pat<(store_a (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1053 def : Pat<(store_u (i32 0), addr:$dst), (USW ZERO, addr:$dst)>;
1055 let Predicates = [IsN64] in {
1056 def : Pat<(store_a (i32 0), addr:$dst), (SW_P8 ZERO, addr:$dst)>;
1057 def : Pat<(store_u (i32 0), addr:$dst), (USW_P8 ZERO, addr:$dst)>;
1061 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1062 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1063 Instruction SLTiuOp, Register ZEROReg> {
1064 def : Pat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1065 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1066 def : Pat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1067 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1069 def : Pat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1070 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1071 def : Pat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1072 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1073 def : Pat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1074 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1075 def : Pat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1076 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1078 def : Pat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1079 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1080 def : Pat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1081 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1083 def : Pat<(brcond RC:$cond, bb:$dst),
1084 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1087 defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1090 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1091 Instruction SLTuOp, Register ZEROReg> {
1092 def : Pat<(seteq RC:$lhs, RC:$rhs),
1093 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1094 def : Pat<(setne RC:$lhs, RC:$rhs),
1095 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1098 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1099 def : Pat<(setle RC:$lhs, RC:$rhs),
1100 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1101 def : Pat<(setule RC:$lhs, RC:$rhs),
1102 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1105 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1106 def : Pat<(setgt RC:$lhs, RC:$rhs),
1107 (SLTOp RC:$rhs, RC:$lhs)>;
1108 def : Pat<(setugt RC:$lhs, RC:$rhs),
1109 (SLTuOp RC:$rhs, RC:$lhs)>;
1112 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1113 def : Pat<(setge RC:$lhs, RC:$rhs),
1114 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1115 def : Pat<(setuge RC:$lhs, RC:$rhs),
1116 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1119 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1120 Instruction SLTiuOp> {
1121 def : Pat<(setge RC:$lhs, immSExt16:$rhs),
1122 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1123 def : Pat<(setuge RC:$lhs, immSExt16:$rhs),
1124 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1127 defm : SeteqPats<CPURegs, SLTiu, XOR, SLTu, ZERO>;
1128 defm : SetlePats<CPURegs, SLT, SLTu>;
1129 defm : SetgtPats<CPURegs, SLT, SLTu>;
1130 defm : SetgePats<CPURegs, SLT, SLTu>;
1131 defm : SetgeImmPats<CPURegs, SLTi, SLTiu>;
1133 // select MipsDynAlloc
1134 def : Pat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>;
1137 def : Pat<(bswap CPURegs:$rt), (ROTR (WSBH CPURegs:$rt), 16)>;
1139 //===----------------------------------------------------------------------===//
1140 // Floating Point Support
1141 //===----------------------------------------------------------------------===//
1143 include "MipsInstrFPU.td"
1144 include "Mips64InstrInfo.td"
1145 include "MipsCondMov.td"