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, i32>,
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 MipsWrapperPIC : SDNode<"MipsISD::WrapperPIC", SDTIntUnaryOp>;
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 NotMips64 : Predicate<"!Subtarget.hasMips64()">;
132 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">;
133 def IsN64 : Predicate<"Subtarget.isABI_N64()">;
134 def NotN64 : Predicate<"!Subtarget.isABI_N64()">;
136 //===----------------------------------------------------------------------===//
137 // Mips Operand, Complex Patterns and Transformations Definitions.
138 //===----------------------------------------------------------------------===//
140 // Instruction operand types
141 def brtarget : Operand<OtherVT>;
142 def calltarget : Operand<i32>;
143 def simm16 : Operand<i32>;
144 def simm16_64 : Operand<i64>;
145 def shamt : Operand<i32>;
148 def uimm16 : Operand<i32> {
149 let PrintMethod = "printUnsignedImm";
153 def mem : Operand<i32> {
154 let PrintMethod = "printMemOperand";
155 let MIOperandInfo = (ops CPURegs, simm16);
156 let EncoderMethod = "getMemEncoding";
159 def mem64 : Operand<i64> {
160 let PrintMethod = "printMemOperand";
161 let MIOperandInfo = (ops CPU64Regs, simm16_64);
164 def mem_ea : Operand<i32> {
165 let PrintMethod = "printMemOperandEA";
166 let MIOperandInfo = (ops CPURegs, simm16);
167 let EncoderMethod = "getMemEncoding";
170 // size operand of ext instruction
171 def size_ext : Operand<i32> {
172 let EncoderMethod = "getSizeExtEncoding";
175 // size operand of ins instruction
176 def size_ins : Operand<i32> {
177 let EncoderMethod = "getSizeInsEncoding";
180 // Transformation Function - get the lower 16 bits.
181 def LO16 : SDNodeXForm<imm, [{
182 return getI32Imm((unsigned)N->getZExtValue() & 0xFFFF);
185 // Transformation Function - get the higher 16 bits.
186 def HI16 : SDNodeXForm<imm, [{
187 return getI32Imm((unsigned)N->getZExtValue() >> 16);
190 // Node immediate fits as 16-bit sign extended on target immediate.
192 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
194 // Node immediate fits as 16-bit zero extended on target immediate.
195 // The LO16 param means that only the lower 16 bits of the node
196 // immediate are caught.
198 def immZExt16 : PatLeaf<(imm), [{
199 if (N->getValueType(0) == MVT::i32)
200 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
202 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
205 // shamt field must fit in 5 bits.
206 def immZExt5 : PatLeaf<(imm), [{
207 return N->getZExtValue() == ((N->getZExtValue()) & 0x1f) ;
210 // Mips Address Mode! SDNode frameindex could possibily be a match
211 // since load and store instructions from stack used it.
212 def addr : ComplexPattern<iPTR, 2, "SelectAddr", [frameindex], []>;
214 //===----------------------------------------------------------------------===//
215 // Pattern fragment for load/store
216 //===----------------------------------------------------------------------===//
217 class UnalignedLoad<PatFrag Node> : PatFrag<(ops node:$ptr), (Node node:$ptr), [{
218 LoadSDNode *LD = cast<LoadSDNode>(N);
219 return LD->getMemoryVT().getSizeInBits()/8 > LD->getAlignment();
222 class AlignedLoad<PatFrag Node> : PatFrag<(ops node:$ptr), (Node node:$ptr), [{
223 LoadSDNode *LD = cast<LoadSDNode>(N);
224 return LD->getMemoryVT().getSizeInBits()/8 <= LD->getAlignment();
227 class UnalignedStore<PatFrag Node> : PatFrag<(ops node:$val, node:$ptr),
228 (Node node:$val, node:$ptr), [{
229 StoreSDNode *SD = cast<StoreSDNode>(N);
230 return SD->getMemoryVT().getSizeInBits()/8 > SD->getAlignment();
233 class AlignedStore<PatFrag Node> : PatFrag<(ops node:$val, node:$ptr),
234 (Node node:$val, node:$ptr), [{
235 StoreSDNode *SD = cast<StoreSDNode>(N);
236 return SD->getMemoryVT().getSizeInBits()/8 <= SD->getAlignment();
239 // Load/Store PatFrags.
240 def sextloadi16_a : AlignedLoad<sextloadi16>;
241 def zextloadi16_a : AlignedLoad<zextloadi16>;
242 def extloadi16_a : AlignedLoad<extloadi16>;
243 def load_a : AlignedLoad<load>;
244 def sextloadi32_a : AlignedLoad<sextloadi32>;
245 def zextloadi32_a : AlignedLoad<zextloadi32>;
246 def extloadi32_a : AlignedLoad<extloadi32>;
247 def truncstorei16_a : AlignedStore<truncstorei16>;
248 def store_a : AlignedStore<store>;
249 def truncstorei32_a : AlignedStore<truncstorei32>;
250 def sextloadi16_u : UnalignedLoad<sextloadi16>;
251 def zextloadi16_u : UnalignedLoad<zextloadi16>;
252 def extloadi16_u : UnalignedLoad<extloadi16>;
253 def load_u : UnalignedLoad<load>;
254 def sextloadi32_u : UnalignedLoad<sextloadi32>;
255 def zextloadi32_u : UnalignedLoad<zextloadi32>;
256 def extloadi32_u : UnalignedLoad<extloadi32>;
257 def truncstorei16_u : UnalignedStore<truncstorei16>;
258 def store_u : UnalignedStore<store>;
259 def truncstorei32_u : UnalignedStore<truncstorei32>;
261 //===----------------------------------------------------------------------===//
262 // Instructions specific format
263 //===----------------------------------------------------------------------===//
265 // Arithmetic and logical instructions with 3 register operands.
266 class ArithLogicR<bits<6> op, bits<6> func, string instr_asm, SDNode OpNode,
267 InstrItinClass itin, RegisterClass RC, bit isComm = 0>:
268 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
269 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
270 [(set RC:$rd, (OpNode RC:$rs, RC:$rt))], itin> {
272 let isCommutable = isComm;
275 class ArithOverflowR<bits<6> op, bits<6> func, string instr_asm,
276 InstrItinClass itin, RegisterClass RC, bit isComm = 0>:
277 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
278 !strconcat(instr_asm, "\t$rd, $rs, $rt"), [], itin> {
280 let isCommutable = isComm;
283 // Arithmetic and logical instructions with 2 register operands.
284 class ArithLogicI<bits<6> op, string instr_asm, SDNode OpNode,
285 Operand Od, PatLeaf imm_type, RegisterClass RC> :
286 FI<op, (outs RC:$rt), (ins RC:$rs, Od:$imm16),
287 !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
288 [(set RC:$rt, (OpNode RC:$rs, imm_type:$imm16))], IIAlu>;
290 class ArithOverflowI<bits<6> op, string instr_asm, SDNode OpNode,
291 Operand Od, PatLeaf imm_type, RegisterClass RC> :
292 FI<op, (outs RC:$rt), (ins RC:$rs, Od:$imm16),
293 !strconcat(instr_asm, "\t$rt, $rs, $imm16"), [], IIAlu>;
295 // Arithmetic Multiply ADD/SUB
296 let rd = 0, shamt = 0, Defs = [HI, LO], Uses = [HI, LO] in
297 class MArithR<bits<6> func, string instr_asm, SDNode op, bit isComm = 0> :
298 FR<0x1c, func, (outs), (ins CPURegs:$rs, CPURegs:$rt),
299 !strconcat(instr_asm, "\t$rs, $rt"),
300 [(op CPURegs:$rs, CPURegs:$rt, LO, HI)], IIImul> {
303 let isCommutable = isComm;
307 class LogicNOR<bits<6> op, bits<6> func, string instr_asm, RegisterClass RC>:
308 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
309 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
310 [(set RC:$rd, (not (or RC:$rs, RC:$rt)))], IIAlu> {
312 let isCommutable = 1;
316 class LogicR_shift_rotate_imm<bits<6> func, bits<5> _rs, string instr_asm,
318 FR<0x00, func, (outs CPURegs:$rd), (ins CPURegs:$rt, shamt:$shamt),
319 !strconcat(instr_asm, "\t$rd, $rt, $shamt"),
320 [(set CPURegs:$rd, (OpNode CPURegs:$rt, (i32 immZExt5:$shamt)))], IIAlu> {
324 class LogicR_shift_rotate_reg<bits<6> func, bits<5> isRotate, string instr_asm,
326 FR<0x00, func, (outs CPURegs:$rd), (ins CPURegs:$rs, CPURegs:$rt),
327 !strconcat(instr_asm, "\t$rd, $rt, $rs"),
328 [(set CPURegs:$rd, (OpNode CPURegs:$rt, CPURegs:$rs))], IIAlu> {
329 let shamt = isRotate;
332 // Load Upper Imediate
333 class LoadUpper<bits<6> op, string instr_asm>:
334 FI<op, (outs CPURegs:$rt), (ins uimm16:$imm16),
335 !strconcat(instr_asm, "\t$rt, $imm16"), [], IIAlu> {
339 class FMem<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern,
340 InstrItinClass itin>: FFI<op, outs, ins, asmstr, pattern> {
342 let Inst{25-21} = addr{20-16};
343 let Inst{15-0} = addr{15-0};
347 let canFoldAsLoad = 1 in
348 class LoadM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
349 Operand MemOpnd, bit Pseudo>:
350 FMem<op, (outs RC:$rt), (ins MemOpnd:$addr),
351 !strconcat(instr_asm, "\t$rt, $addr"),
352 [(set RC:$rt, (OpNode addr:$addr))], IILoad> {
353 let isPseudo = Pseudo;
356 class StoreM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
357 Operand MemOpnd, bit Pseudo>:
358 FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr),
359 !strconcat(instr_asm, "\t$rt, $addr"),
360 [(OpNode RC:$rt, addr:$addr)], IIStore> {
361 let isPseudo = Pseudo;
365 multiclass LoadM32<bits<6> op, string instr_asm, PatFrag OpNode,
367 def #NAME# : LoadM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
369 def _P8 : LoadM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
374 multiclass LoadM64<bits<6> op, string instr_asm, PatFrag OpNode,
376 def #NAME# : LoadM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
378 def _P8 : LoadM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
383 multiclass StoreM32<bits<6> op, string instr_asm, PatFrag OpNode,
385 def #NAME# : StoreM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
387 def _P8 : StoreM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
392 multiclass StoreM64<bits<6> op, string instr_asm, PatFrag OpNode,
394 def #NAME# : StoreM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
396 def _P8 : StoreM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
400 // Conditional Branch
401 class CBranch<bits<6> op, string instr_asm, PatFrag cond_op, RegisterClass RC>:
402 CBranchBase<op, (outs), (ins RC:$rs, RC:$rt, brtarget:$imm16),
403 !strconcat(instr_asm, "\t$rs, $rt, $imm16"),
404 [(brcond (i32 (cond_op RC:$rs, RC:$rt)), bb:$imm16)], IIBranch> {
406 let isTerminator = 1;
407 let hasDelaySlot = 1;
410 class CBranchZero<bits<6> op, bits<5> _rt, string instr_asm, PatFrag cond_op,
412 CBranchBase<op, (outs), (ins RC:$rs, brtarget:$imm16),
413 !strconcat(instr_asm, "\t$rs, $imm16"),
414 [(brcond (i32 (cond_op RC:$rs, 0)), bb:$imm16)], IIBranch> {
417 let isTerminator = 1;
418 let hasDelaySlot = 1;
422 class SetCC_R<bits<6> op, bits<6> func, string instr_asm, PatFrag cond_op,
424 FR<op, func, (outs CPURegs:$rd), (ins RC:$rs, RC:$rt),
425 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
426 [(set CPURegs:$rd, (cond_op RC:$rs, RC:$rt))],
431 class SetCC_I<bits<6> op, string instr_asm, PatFrag cond_op, Operand Od,
432 PatLeaf imm_type, RegisterClass RC>:
433 FI<op, (outs CPURegs:$rt), (ins RC:$rs, Od:$imm16),
434 !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
435 [(set CPURegs:$rt, (cond_op RC:$rs, imm_type:$imm16))],
438 // Unconditional branch
439 let isBranch=1, isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
440 class JumpFJ<bits<6> op, string instr_asm>:
441 FJ<op, (outs), (ins brtarget:$target),
442 !strconcat(instr_asm, "\t$target"), [(br bb:$target)], IIBranch>;
444 let isBranch=1, isTerminator=1, isBarrier=1, rd=0, hasDelaySlot = 1 in
445 class JumpFR<bits<6> op, bits<6> func, string instr_asm>:
446 FR<op, func, (outs), (ins CPURegs:$rs),
447 !strconcat(instr_asm, "\t$rs"), [(brind CPURegs:$rs)], IIBranch> {
453 // Jump and Link (Call)
454 let isCall=1, hasDelaySlot=1,
455 // All calls clobber the non-callee saved registers...
456 Defs = [AT, V0, V1, A0, A1, A2, A3, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,
457 K0, K1, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9], Uses = [GP] in {
458 class JumpLink<bits<6> op, string instr_asm>:
459 FJ<op, (outs), (ins calltarget:$target, variable_ops),
460 !strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
463 class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm>:
464 FR<op, func, (outs), (ins CPURegs:$rs, variable_ops),
465 !strconcat(instr_asm, "\t$rs"), [(MipsJmpLink CPURegs:$rs)], IIBranch> {
471 class BranchLink<string instr_asm>:
472 FI<0x1, (outs), (ins CPURegs:$rs, brtarget:$imm16, variable_ops),
473 !strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch>;
477 class Mul<bits<6> func, string instr_asm, InstrItinClass itin>:
478 FR<0x00, func, (outs), (ins CPURegs:$rs, CPURegs:$rt),
479 !strconcat(instr_asm, "\t$rs, $rt"), [], itin> {
482 let isCommutable = 1;
486 class Div<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
487 FR<0x00, func, (outs), (ins CPURegs:$rs, CPURegs:$rt),
488 !strconcat(instr_asm, "\t$$zero, $rs, $rt"),
489 [(op CPURegs:$rs, CPURegs:$rt)], itin> {
496 class MoveFromLOHI<bits<6> func, string instr_asm>:
497 FR<0x00, func, (outs CPURegs:$rd), (ins),
498 !strconcat(instr_asm, "\t$rd"), [], IIHiLo> {
504 class MoveToLOHI<bits<6> func, string instr_asm>:
505 FR<0x00, func, (outs), (ins CPURegs:$rs),
506 !strconcat(instr_asm, "\t$rs"), [], IIHiLo> {
512 class EffectiveAddress<string instr_asm> :
513 FMem<0x09, (outs CPURegs:$rt), (ins mem_ea:$addr),
514 instr_asm, [(set CPURegs:$rt, addr:$addr)], IIAlu>;
516 // Count Leading Ones/Zeros in Word
517 class CountLeading<bits<6> func, string instr_asm, list<dag> pattern>:
518 FR<0x1c, func, (outs CPURegs:$rd), (ins CPURegs:$rs),
519 !strconcat(instr_asm, "\t$rd, $rs"), pattern, IIAlu>,
520 Requires<[HasBitCount]> {
525 // Sign Extend in Register.
526 class SignExtInReg<bits<5> sa, string instr_asm, ValueType vt>:
527 FR<0x1f, 0x20, (outs CPURegs:$rd), (ins CPURegs:$rt),
528 !strconcat(instr_asm, "\t$rd, $rt"),
529 [(set CPURegs:$rd, (sext_inreg CPURegs:$rt, vt))], NoItinerary> {
532 let Predicates = [HasSEInReg];
536 class ByteSwap<bits<6> func, bits<5> sa, string instr_asm>:
537 FR<0x1f, func, (outs CPURegs:$rd), (ins CPURegs:$rt),
538 !strconcat(instr_asm, "\t$rd, $rt"),
539 [(set CPURegs:$rd, (bswap CPURegs:$rt))], NoItinerary> {
542 let Predicates = [HasSwap];
546 class ReadHardware: FR<0x1f, 0x3b, (outs CPURegs:$rt), (ins HWRegs:$rd),
547 "rdhwr\t$rt, $rd", [], IIAlu> {
553 class ExtIns<bits<6> _funct, string instr_asm, dag outs, dag ins,
554 list<dag> pattern, InstrItinClass itin>:
555 FR<0x1f, _funct, outs, ins, !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
556 pattern, itin>, Requires<[HasMips32r2]> {
563 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
564 class Atomic2Ops<PatFrag Op, string Opstr> :
565 MipsPseudo<(outs CPURegs:$dst), (ins CPURegs:$ptr, CPURegs:$incr),
566 !strconcat("atomic_", Opstr, "\t$dst, $ptr, $incr"),
568 (Op CPURegs:$ptr, CPURegs:$incr))]>;
570 // Atomic Compare & Swap.
571 class AtomicCmpSwap<PatFrag Op, string Width> :
572 MipsPseudo<(outs CPURegs:$dst),
573 (ins CPURegs:$ptr, CPURegs:$cmp, CPURegs:$swap),
574 !strconcat("atomic_cmp_swap_", Width,
575 "\t$dst, $ptr, $cmp, $swap"),
577 (Op CPURegs:$ptr, CPURegs:$cmp, CPURegs:$swap))]>;
579 //===----------------------------------------------------------------------===//
580 // Pseudo instructions
581 //===----------------------------------------------------------------------===//
583 // As stack alignment is always done with addiu, we need a 16-bit immediate
584 let Defs = [SP], Uses = [SP] in {
585 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins uimm16:$amt),
586 "!ADJCALLSTACKDOWN $amt",
587 [(callseq_start timm:$amt)]>;
588 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins uimm16:$amt1, uimm16:$amt2),
589 "!ADJCALLSTACKUP $amt1",
590 [(callseq_end timm:$amt1, timm:$amt2)]>;
593 // Some assembly macros need to avoid pseudoinstructions and assembler
594 // automatic reodering, we should reorder ourselves.
595 def MACRO : MipsPseudo<(outs), (ins), ".set\tmacro", []>;
596 def REORDER : MipsPseudo<(outs), (ins), ".set\treorder", []>;
597 def NOMACRO : MipsPseudo<(outs), (ins), ".set\tnomacro", []>;
598 def NOREORDER : MipsPseudo<(outs), (ins), ".set\tnoreorder", []>;
600 // These macros are inserted to prevent GAS from complaining
601 // when using the AT register.
602 def NOAT : MipsPseudo<(outs), (ins), ".set\tnoat", []>;
603 def ATMACRO : MipsPseudo<(outs), (ins), ".set\tat", []>;
605 // When handling PIC code the assembler needs .cpload and .cprestore
606 // directives. If the real instructions corresponding these directives
607 // are used, we have the same behavior, but get also a bunch of warnings
608 // from the assembler.
609 def CPLOAD : MipsPseudo<(outs), (ins CPURegs:$picreg), ".cpload\t$picreg", []>;
610 def CPRESTORE : MipsPseudo<(outs), (ins i32imm:$loc), ".cprestore\t$loc", []>;
612 let usesCustomInserter = 1 in {
613 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, "load_add_8">;
614 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, "load_add_16">;
615 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, "load_add_32">;
616 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, "load_sub_8">;
617 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, "load_sub_16">;
618 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, "load_sub_32">;
619 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, "load_and_8">;
620 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, "load_and_16">;
621 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, "load_and_32">;
622 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, "load_or_8">;
623 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, "load_or_16">;
624 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, "load_or_32">;
625 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, "load_xor_8">;
626 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, "load_xor_16">;
627 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, "load_xor_32">;
628 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, "load_nand_8">;
629 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, "load_nand_16">;
630 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, "load_nand_32">;
632 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, "swap_8">;
633 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, "swap_16">;
634 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, "swap_32">;
636 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, "8">;
637 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, "16">;
638 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, "32">;
641 //===----------------------------------------------------------------------===//
642 // Instruction definition
643 //===----------------------------------------------------------------------===//
645 //===----------------------------------------------------------------------===//
646 // MipsI Instructions
647 //===----------------------------------------------------------------------===//
649 /// Arithmetic Instructions (ALU Immediate)
650 def ADDiu : ArithLogicI<0x09, "addiu", add, simm16, immSExt16, CPURegs>;
651 def ADDi : ArithOverflowI<0x08, "addi", add, simm16, immSExt16, CPURegs>;
652 def SLTi : SetCC_I<0x0a, "slti", setlt, simm16, immSExt16, CPURegs>;
653 def SLTiu : SetCC_I<0x0b, "sltiu", setult, simm16, immSExt16, CPURegs>;
654 def ANDi : ArithLogicI<0x0c, "andi", and, uimm16, immZExt16, CPURegs>;
655 def ORi : ArithLogicI<0x0d, "ori", or, uimm16, immZExt16, CPURegs>;
656 def XORi : ArithLogicI<0x0e, "xori", xor, uimm16, immZExt16, CPURegs>;
657 def LUi : LoadUpper<0x0f, "lui">;
659 /// Arithmetic Instructions (3-Operand, R-Type)
660 def ADDu : ArithLogicR<0x00, 0x21, "addu", add, IIAlu, CPURegs, 1>;
661 def SUBu : ArithLogicR<0x00, 0x23, "subu", sub, IIAlu, CPURegs>;
662 def ADD : ArithOverflowR<0x00, 0x20, "add", IIAlu, CPURegs, 1>;
663 def SUB : ArithOverflowR<0x00, 0x22, "sub", IIAlu, CPURegs>;
664 def SLT : SetCC_R<0x00, 0x2a, "slt", setlt, CPURegs>;
665 def SLTu : SetCC_R<0x00, 0x2b, "sltu", setult, CPURegs>;
666 def AND : ArithLogicR<0x00, 0x24, "and", and, IIAlu, CPURegs, 1>;
667 def OR : ArithLogicR<0x00, 0x25, "or", or, IIAlu, CPURegs, 1>;
668 def XOR : ArithLogicR<0x00, 0x26, "xor", xor, IIAlu, CPURegs, 1>;
669 def NOR : LogicNOR<0x00, 0x27, "nor", CPURegs>;
671 /// Shift Instructions
672 def SLL : LogicR_shift_rotate_imm<0x00, 0x00, "sll", shl>;
673 def SRL : LogicR_shift_rotate_imm<0x02, 0x00, "srl", srl>;
674 def SRA : LogicR_shift_rotate_imm<0x03, 0x00, "sra", sra>;
675 def SLLV : LogicR_shift_rotate_reg<0x04, 0x00, "sllv", shl>;
676 def SRLV : LogicR_shift_rotate_reg<0x06, 0x00, "srlv", srl>;
677 def SRAV : LogicR_shift_rotate_reg<0x07, 0x00, "srav", sra>;
679 // Rotate Instructions
680 let Predicates = [HasMips32r2] in {
681 def ROTR : LogicR_shift_rotate_imm<0x02, 0x01, "rotr", rotr>;
682 def ROTRV : LogicR_shift_rotate_reg<0x06, 0x01, "rotrv", rotr>;
685 /// Load and Store Instructions
687 defm LB : LoadM32<0x20, "lb", sextloadi8>;
688 defm LBu : LoadM32<0x24, "lbu", zextloadi8>;
689 defm LH : LoadM32<0x21, "lh", sextloadi16_a>;
690 defm LHu : LoadM32<0x25, "lhu", zextloadi16_a>;
691 defm LW : LoadM32<0x23, "lw", load_a>;
692 defm SB : StoreM32<0x28, "sb", truncstorei8>;
693 defm SH : StoreM32<0x29, "sh", truncstorei16_a>;
694 defm SW : StoreM32<0x2b, "sw", store_a>;
697 defm ULH : LoadM32<0x21, "ulh", sextloadi16_u, 1>;
698 defm ULHu : LoadM32<0x25, "ulhu", zextloadi16_u, 1>;
699 defm ULW : LoadM32<0x23, "ulw", load_u, 1>;
700 defm USH : StoreM32<0x29, "ush", truncstorei16_u, 1>;
701 defm USW : StoreM32<0x2b, "usw", store_u, 1>;
703 let hasSideEffects = 1 in
704 def SYNC : MipsInst<(outs), (ins i32imm:$stype), "sync $stype",
705 [(MipsSync imm:$stype)], NoItinerary, FrmOther>
710 let Inst{10-6} = stype;
714 /// Load-linked, Store-conditional
716 def LL : FMem<0x30, (outs CPURegs:$rt), (ins mem:$addr),
717 "ll\t$rt, $addr", [], IILoad>;
718 let mayStore = 1, Constraints = "$rt = $dst" in
719 def SC : FMem<0x38, (outs CPURegs:$dst), (ins CPURegs:$rt, mem:$addr),
720 "sc\t$rt, $addr", [], IIStore>;
722 /// Jump and Branch Instructions
723 def J : JumpFJ<0x02, "j">;
724 let isIndirectBranch = 1 in
725 def JR : JumpFR<0x00, 0x08, "jr">;
726 def JAL : JumpLink<0x03, "jal">;
727 def JALR : JumpLinkReg<0x00, 0x09, "jalr">;
728 def BEQ : CBranch<0x04, "beq", seteq, CPURegs>;
729 def BNE : CBranch<0x05, "bne", setne, CPURegs>;
730 def BGEZ : CBranchZero<0x01, 1, "bgez", setge, CPURegs>;
731 def BGTZ : CBranchZero<0x07, 0, "bgtz", setgt, CPURegs>;
732 def BLEZ : CBranchZero<0x06, 0, "blez", setle, CPURegs>;
733 def BLTZ : CBranchZero<0x01, 0, "bltz", setlt, CPURegs>;
736 def BGEZAL : BranchLink<"bgezal">;
738 def BLTZAL : BranchLink<"bltzal">;
740 let isReturn=1, isTerminator=1, hasDelaySlot=1,
741 isBarrier=1, hasCtrlDep=1, rd=0, rt=0, shamt=0 in
742 def RET : FR <0x00, 0x08, (outs), (ins CPURegs:$target),
743 "jr\t$target", [(MipsRet CPURegs:$target)], IIBranch>;
745 /// Multiply and Divide Instructions.
746 def MULT : Mul<0x18, "mult", IIImul>;
747 def MULTu : Mul<0x19, "multu", IIImul>;
748 def SDIV : Div<MipsDivRem, 0x1a, "div", IIIdiv>;
749 def UDIV : Div<MipsDivRemU, 0x1b, "divu", IIIdiv>;
752 def MTHI : MoveToLOHI<0x11, "mthi">;
754 def MTLO : MoveToLOHI<0x13, "mtlo">;
757 def MFHI : MoveFromLOHI<0x10, "mfhi">;
759 def MFLO : MoveFromLOHI<0x12, "mflo">;
761 /// Sign Ext In Register Instructions.
762 def SEB : SignExtInReg<0x10, "seb", i8>;
763 def SEH : SignExtInReg<0x18, "seh", i16>;
766 def CLZ : CountLeading<0x20, "clz",
767 [(set CPURegs:$rd, (ctlz CPURegs:$rs))]>;
768 def CLO : CountLeading<0x21, "clo",
769 [(set CPURegs:$rd, (ctlz (not CPURegs:$rs)))]>;
772 def WSBW : ByteSwap<0x20, 0x2, "wsbw">;
774 // Conditional moves:
775 // These instructions are expanded in
776 // MipsISelLowering::EmitInstrWithCustomInserter if target does not have
777 // conditional move instructions.
778 // flag:int, data:int
779 class CondMovIntInt<bits<6> funct, string instr_asm> :
780 FR<0, funct, (outs CPURegs:$rd),
781 (ins CPURegs:$rs, CPURegs:$rt, CPURegs:$F),
782 !strconcat(instr_asm, "\t$rd, $rs, $rt"), [], NoItinerary> {
784 let usesCustomInserter = 1;
785 let Constraints = "$F = $rd";
788 def MOVZ_I : CondMovIntInt<0x0a, "movz">;
789 def MOVN_I : CondMovIntInt<0x0b, "movn">;
793 def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
795 // FrameIndexes are legalized when they are operands from load/store
796 // instructions. The same not happens for stack address copies, so an
797 // add op with mem ComplexPattern is used and the stack address copy
798 // can be matched. It's similar to Sparc LEA_ADDRi
799 def LEA_ADDiu : EffectiveAddress<"addiu\t$rt, $addr">;
801 // DynAlloc node points to dynamically allocated stack space.
802 // $sp is added to the list of implicitly used registers to prevent dead code
803 // elimination from removing instructions that modify $sp.
805 def DynAlloc : EffectiveAddress<"addiu\t$rt, $addr">;
808 def MADD : MArithR<0, "madd", MipsMAdd, 1>;
809 def MADDU : MArithR<1, "maddu", MipsMAddu, 1>;
810 def MSUB : MArithR<4, "msub", MipsMSub>;
811 def MSUBU : MArithR<5, "msubu", MipsMSubu>;
813 // MUL is a assembly macro in the current used ISAs. In recent ISA's
814 // it is a real instruction.
815 def MUL : ArithLogicR<0x1c, 0x02, "mul", mul, IIImul, CPURegs, 1>,
816 Requires<[HasMips32]>;
818 def RDHWR : ReadHardware;
820 def EXT : ExtIns<0, "ext", (outs CPURegs:$rt),
821 (ins CPURegs:$rs, uimm16:$pos, size_ext:$sz),
823 (MipsExt CPURegs:$rs, immZExt5:$pos, immZExt5:$sz))],
826 let Constraints = "$src = $rt" in
827 def INS : ExtIns<4, "ins", (outs CPURegs:$rt),
828 (ins CPURegs:$rs, uimm16:$pos, size_ins:$sz, CPURegs:$src),
830 (MipsIns CPURegs:$rs, immZExt5:$pos, immZExt5:$sz,
834 //===----------------------------------------------------------------------===//
835 // Arbitrary patterns that map to one or more instructions
836 //===----------------------------------------------------------------------===//
839 def : Pat<(i32 immSExt16:$in),
840 (ADDiu ZERO, imm:$in)>;
841 def : Pat<(i32 immZExt16:$in),
842 (ORi ZERO, imm:$in)>;
844 // Arbitrary immediates
845 def : Pat<(i32 imm:$imm),
846 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
849 def : Pat<(subc CPURegs:$lhs, CPURegs:$rhs),
850 (SUBu CPURegs:$lhs, CPURegs:$rhs)>;
851 def : Pat<(addc CPURegs:$lhs, CPURegs:$rhs),
852 (ADDu CPURegs:$lhs, CPURegs:$rhs)>;
853 def : Pat<(addc CPURegs:$src, immSExt16:$imm),
854 (ADDiu CPURegs:$src, imm:$imm)>;
857 def : Pat<(MipsJmpLink (i32 tglobaladdr:$dst)),
858 (JAL tglobaladdr:$dst)>;
859 def : Pat<(MipsJmpLink (i32 texternalsym:$dst)),
860 (JAL texternalsym:$dst)>;
861 //def : Pat<(MipsJmpLink CPURegs:$dst),
862 // (JALR CPURegs:$dst)>;
865 def : Pat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
866 def : Pat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
867 def : Pat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
868 def : Pat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
869 def : Pat<(add CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
870 (ADDiu CPURegs:$hi, tglobaladdr:$lo)>;
871 def : Pat<(add CPURegs:$hi, (MipsLo tblockaddress:$lo)),
872 (ADDiu CPURegs:$hi, tblockaddress:$lo)>;
874 def : Pat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
875 def : Pat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
876 def : Pat<(add CPURegs:$hi, (MipsLo tjumptable:$lo)),
877 (ADDiu CPURegs:$hi, tjumptable:$lo)>;
879 def : Pat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
880 def : Pat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
881 def : Pat<(add CPURegs:$hi, (MipsLo tconstpool:$lo)),
882 (ADDiu CPURegs:$hi, tconstpool:$lo)>;
885 def : Pat<(add CPURegs:$gp, (MipsGPRel tglobaladdr:$in)),
886 (ADDiu CPURegs:$gp, tglobaladdr:$in)>;
887 def : Pat<(add CPURegs:$gp, (MipsGPRel tconstpool:$in)),
888 (ADDiu CPURegs:$gp, tconstpool:$in)>;
891 def : Pat<(add CPURegs:$gp, (MipsTlsGd tglobaltlsaddr:$in)),
892 (ADDiu CPURegs:$gp, tglobaltlsaddr:$in)>;
895 def : Pat<(MipsTprelHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
896 def : Pat<(MipsTprelLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
897 def : Pat<(add CPURegs:$hi, (MipsTprelLo tglobaltlsaddr:$lo)),
898 (ADDiu CPURegs:$hi, tglobaltlsaddr:$lo)>;
901 class WrapperPICPat<SDNode node>:
902 Pat<(MipsWrapperPIC node:$in),
903 (ADDiu GP, node:$in)>;
905 def : WrapperPICPat<tglobaladdr>;
906 def : WrapperPICPat<tconstpool>;
907 def : WrapperPICPat<texternalsym>;
908 def : WrapperPICPat<tblockaddress>;
909 def : WrapperPICPat<tjumptable>;
911 // Mips does not have "not", so we expand our way
912 def : Pat<(not CPURegs:$in),
913 (NOR CPURegs:$in, ZERO)>;
915 // extended load and stores
916 def : Pat<(extloadi1 addr:$src), (LBu addr:$src)>;
917 def : Pat<(extloadi8 addr:$src), (LBu addr:$src)>;
918 def : Pat<(extloadi16_a addr:$src), (LHu addr:$src)>;
919 def : Pat<(extloadi16_u addr:$src), (ULHu addr:$src)>;
922 def : Pat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
925 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
926 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
927 Instruction SLTiuOp, Register ZEROReg> {
928 def : Pat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
929 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
930 def : Pat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
931 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
933 def : Pat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
934 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
935 def : Pat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
936 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
937 def : Pat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
938 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
939 def : Pat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
940 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
942 def : Pat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
943 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
944 def : Pat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
945 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
947 def : Pat<(brcond RC:$cond, bb:$dst),
948 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
951 defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
954 multiclass MovzPats<RegisterClass RC, Instruction MOVZInst> {
955 def : Pat<(select (i32 (setge CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
956 (MOVZInst RC:$T, (SLT CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
957 def : Pat<(select (i32 (setuge CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
958 (MOVZInst RC:$T, (SLTu CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
959 def : Pat<(select (i32 (setge CPURegs:$lhs, immSExt16:$rhs)), RC:$T, RC:$F),
960 (MOVZInst RC:$T, (SLTi CPURegs:$lhs, immSExt16:$rhs), RC:$F)>;
961 def : Pat<(select (i32 (setuge CPURegs:$lh, immSExt16:$rh)), RC:$T, RC:$F),
962 (MOVZInst RC:$T, (SLTiu CPURegs:$lh, immSExt16:$rh), RC:$F)>;
963 def : Pat<(select (i32 (setle CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
964 (MOVZInst RC:$T, (SLT CPURegs:$rhs, CPURegs:$lhs), RC:$F)>;
965 def : Pat<(select (i32 (setule CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
966 (MOVZInst RC:$T, (SLTu CPURegs:$rhs, CPURegs:$lhs), RC:$F)>;
967 def : Pat<(select (i32 (seteq CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
968 (MOVZInst RC:$T, (XOR CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
969 def : Pat<(select (i32 (seteq CPURegs:$lhs, 0)), RC:$T, RC:$F),
970 (MOVZInst RC:$T, CPURegs:$lhs, RC:$F)>;
973 multiclass MovnPats<RegisterClass RC, Instruction MOVNInst> {
974 def : Pat<(select (i32 (setne CPURegs:$lhs, CPURegs:$rhs)), RC:$T, RC:$F),
975 (MOVNInst RC:$T, (XOR CPURegs:$lhs, CPURegs:$rhs), RC:$F)>;
976 def : Pat<(select CPURegs:$cond, RC:$T, RC:$F),
977 (MOVNInst RC:$T, CPURegs:$cond, RC:$F)>;
978 def : Pat<(select (i32 (setne CPURegs:$lhs, 0)), RC:$T, RC:$F),
979 (MOVNInst RC:$T, CPURegs:$lhs, RC:$F)>;
982 defm : MovzPats<CPURegs, MOVZ_I>;
983 defm : MovnPats<CPURegs, MOVN_I>;
986 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
987 Instruction SLTuOp, Register ZEROReg> {
988 def : Pat<(seteq RC:$lhs, RC:$rhs),
989 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
990 def : Pat<(setne RC:$lhs, RC:$rhs),
991 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
994 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
995 def : Pat<(setle RC:$lhs, RC:$rhs),
996 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
997 def : Pat<(setule RC:$lhs, RC:$rhs),
998 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1001 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1002 def : Pat<(setgt RC:$lhs, RC:$rhs),
1003 (SLTOp RC:$rhs, RC:$lhs)>;
1004 def : Pat<(setugt RC:$lhs, RC:$rhs),
1005 (SLTuOp RC:$rhs, RC:$lhs)>;
1008 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1009 def : Pat<(setge RC:$lhs, RC:$rhs),
1010 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1011 def : Pat<(setuge RC:$lhs, RC:$rhs),
1012 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1015 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1016 Instruction SLTiuOp> {
1017 def : Pat<(setge RC:$lhs, immSExt16:$rhs),
1018 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1019 def : Pat<(setuge RC:$lhs, immSExt16:$rhs),
1020 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1023 defm : SeteqPats<CPURegs, SLTiu, XOR, SLTu, ZERO>;
1024 defm : SetlePats<CPURegs, SLT, SLTu>;
1025 defm : SetgtPats<CPURegs, SLT, SLTu>;
1026 defm : SetgePats<CPURegs, SLT, SLTu>;
1027 defm : SetgeImmPats<CPURegs, SLTi, SLTiu>;
1029 // select MipsDynAlloc
1030 def : Pat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>;
1032 //===----------------------------------------------------------------------===//
1033 // Floating Point Support
1034 //===----------------------------------------------------------------------===//
1036 include "MipsInstrFPU.td"
1037 include "Mips64InstrInfo.td"