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 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 jmptarget : Operand<OtherVT> {
142 let EncoderMethod = "getJumpTargetOpValue";
144 def brtarget : Operand<OtherVT> {
145 let EncoderMethod = "getBranchTargetOpValue";
146 let OperandType = "OPERAND_PCREL";
148 def calltarget : Operand<i32>;
149 def calltarget64: Operand<i64>;
150 def simm16 : Operand<i32>;
151 def simm16_64 : Operand<i64>;
152 def shamt : Operand<i32>;
155 def uimm16 : Operand<i32> {
156 let PrintMethod = "printUnsignedImm";
160 def mem : Operand<i32> {
161 let PrintMethod = "printMemOperand";
162 let MIOperandInfo = (ops CPURegs, simm16);
163 let EncoderMethod = "getMemEncoding";
166 def mem64 : Operand<i64> {
167 let PrintMethod = "printMemOperand";
168 let MIOperandInfo = (ops CPU64Regs, simm16_64);
171 def mem_ea : Operand<i32> {
172 let PrintMethod = "printMemOperandEA";
173 let MIOperandInfo = (ops CPURegs, simm16);
174 let EncoderMethod = "getMemEncoding";
177 def mem_ea_64 : Operand<i64> {
178 let PrintMethod = "printMemOperandEA";
179 let MIOperandInfo = (ops CPU64Regs, simm16_64);
180 let EncoderMethod = "getMemEncoding";
183 // size operand of ext instruction
184 def size_ext : Operand<i32> {
185 let EncoderMethod = "getSizeExtEncoding";
188 // size operand of ins instruction
189 def size_ins : Operand<i32> {
190 let EncoderMethod = "getSizeInsEncoding";
193 // Transformation Function - get the lower 16 bits.
194 def LO16 : SDNodeXForm<imm, [{
195 return getI32Imm((unsigned)N->getZExtValue() & 0xFFFF);
198 // Transformation Function - get the higher 16 bits.
199 def HI16 : SDNodeXForm<imm, [{
200 return getI32Imm((unsigned)N->getZExtValue() >> 16);
203 // Node immediate fits as 16-bit sign extended on target immediate.
205 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
207 // Node immediate fits as 16-bit zero extended on target immediate.
208 // The LO16 param means that only the lower 16 bits of the node
209 // immediate are caught.
211 def immZExt16 : PatLeaf<(imm), [{
212 if (N->getValueType(0) == MVT::i32)
213 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
215 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
218 // shamt field must fit in 5 bits.
219 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
221 // Mips Address Mode! SDNode frameindex could possibily be a match
222 // since load and store instructions from stack used it.
223 def addr : ComplexPattern<iPTR, 2, "SelectAddr", [frameindex], []>;
225 //===----------------------------------------------------------------------===//
226 // Pattern fragment for load/store
227 //===----------------------------------------------------------------------===//
228 class UnalignedLoad<PatFrag Node> : PatFrag<(ops node:$ptr), (Node node:$ptr), [{
229 LoadSDNode *LD = cast<LoadSDNode>(N);
230 return LD->getMemoryVT().getSizeInBits()/8 > LD->getAlignment();
233 class AlignedLoad<PatFrag Node> : PatFrag<(ops node:$ptr), (Node node:$ptr), [{
234 LoadSDNode *LD = cast<LoadSDNode>(N);
235 return LD->getMemoryVT().getSizeInBits()/8 <= LD->getAlignment();
238 class UnalignedStore<PatFrag Node> : PatFrag<(ops node:$val, node:$ptr),
239 (Node node:$val, node:$ptr), [{
240 StoreSDNode *SD = cast<StoreSDNode>(N);
241 return SD->getMemoryVT().getSizeInBits()/8 > SD->getAlignment();
244 class AlignedStore<PatFrag Node> : PatFrag<(ops node:$val, node:$ptr),
245 (Node node:$val, node:$ptr), [{
246 StoreSDNode *SD = cast<StoreSDNode>(N);
247 return SD->getMemoryVT().getSizeInBits()/8 <= SD->getAlignment();
250 // Load/Store PatFrags.
251 def sextloadi16_a : AlignedLoad<sextloadi16>;
252 def zextloadi16_a : AlignedLoad<zextloadi16>;
253 def extloadi16_a : AlignedLoad<extloadi16>;
254 def load_a : AlignedLoad<load>;
255 def sextloadi32_a : AlignedLoad<sextloadi32>;
256 def zextloadi32_a : AlignedLoad<zextloadi32>;
257 def extloadi32_a : AlignedLoad<extloadi32>;
258 def truncstorei16_a : AlignedStore<truncstorei16>;
259 def store_a : AlignedStore<store>;
260 def truncstorei32_a : AlignedStore<truncstorei32>;
261 def sextloadi16_u : UnalignedLoad<sextloadi16>;
262 def zextloadi16_u : UnalignedLoad<zextloadi16>;
263 def extloadi16_u : UnalignedLoad<extloadi16>;
264 def load_u : UnalignedLoad<load>;
265 def sextloadi32_u : UnalignedLoad<sextloadi32>;
266 def zextloadi32_u : UnalignedLoad<zextloadi32>;
267 def extloadi32_u : UnalignedLoad<extloadi32>;
268 def truncstorei16_u : UnalignedStore<truncstorei16>;
269 def store_u : UnalignedStore<store>;
270 def truncstorei32_u : UnalignedStore<truncstorei32>;
272 //===----------------------------------------------------------------------===//
273 // Instructions specific format
274 //===----------------------------------------------------------------------===//
276 // Arithmetic and logical instructions with 3 register operands.
277 class ArithLogicR<bits<6> op, bits<6> func, string instr_asm, SDNode OpNode,
278 InstrItinClass itin, RegisterClass RC, bit isComm = 0>:
279 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
280 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
281 [(set RC:$rd, (OpNode RC:$rs, RC:$rt))], itin> {
283 let isCommutable = isComm;
286 class ArithOverflowR<bits<6> op, bits<6> func, string instr_asm,
287 InstrItinClass itin, RegisterClass RC, bit isComm = 0>:
288 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
289 !strconcat(instr_asm, "\t$rd, $rs, $rt"), [], itin> {
291 let isCommutable = isComm;
294 // Arithmetic and logical instructions with 2 register operands.
295 class ArithLogicI<bits<6> op, string instr_asm, SDNode OpNode,
296 Operand Od, PatLeaf imm_type, RegisterClass RC> :
297 FI<op, (outs RC:$rt), (ins RC:$rs, Od:$imm16),
298 !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
299 [(set RC:$rt, (OpNode RC:$rs, imm_type:$imm16))], IIAlu>;
301 class ArithOverflowI<bits<6> op, string instr_asm, SDNode OpNode,
302 Operand Od, PatLeaf imm_type, RegisterClass RC> :
303 FI<op, (outs RC:$rt), (ins RC:$rs, Od:$imm16),
304 !strconcat(instr_asm, "\t$rt, $rs, $imm16"), [], IIAlu>;
306 // Arithmetic Multiply ADD/SUB
307 let rd = 0, shamt = 0, Defs = [HI, LO], Uses = [HI, LO] in
308 class MArithR<bits<6> func, string instr_asm, SDNode op, bit isComm = 0> :
309 FR<0x1c, func, (outs), (ins CPURegs:$rs, CPURegs:$rt),
310 !strconcat(instr_asm, "\t$rs, $rt"),
311 [(op CPURegs:$rs, CPURegs:$rt, LO, HI)], IIImul> {
314 let isCommutable = isComm;
318 class LogicNOR<bits<6> op, bits<6> func, string instr_asm, RegisterClass RC>:
319 FR<op, func, (outs RC:$rd), (ins RC:$rs, RC:$rt),
320 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
321 [(set RC:$rd, (not (or RC:$rs, RC:$rt)))], IIAlu> {
323 let isCommutable = 1;
327 class shift_rotate_imm<bits<6> func, bits<5> isRotate, string instr_asm,
328 SDNode OpNode, PatFrag PF, Operand ImmOpnd,
330 FR<0x00, func, (outs RC:$rd), (ins RC:$rt, ImmOpnd:$shamt),
331 !strconcat(instr_asm, "\t$rd, $rt, $shamt"),
332 [(set RC:$rd, (OpNode RC:$rt, PF:$shamt))], IIAlu> {
336 // 32-bit shift instructions.
337 class shift_rotate_imm32<bits<6> func, bits<5> isRotate, string instr_asm,
339 shift_rotate_imm<func, isRotate, instr_asm, OpNode, immZExt5, shamt, CPURegs>;
341 class shift_rotate_reg<bits<6> func, bits<5> isRotate, string instr_asm,
342 SDNode OpNode, RegisterClass RC>:
343 FR<0x00, func, (outs RC:$rd), (ins CPURegs:$rs, RC:$rt),
344 !strconcat(instr_asm, "\t$rd, $rt, $rs"),
345 [(set RC:$rd, (OpNode RC:$rt, CPURegs:$rs))], IIAlu> {
346 let shamt = isRotate;
349 // Load Upper Imediate
350 class LoadUpper<bits<6> op, string instr_asm, RegisterClass RC, Operand Imm>:
351 FI<op, (outs RC:$rt), (ins Imm:$imm16),
352 !strconcat(instr_asm, "\t$rt, $imm16"), [], IIAlu> {
356 class FMem<bits<6> op, dag outs, dag ins, string asmstr, list<dag> pattern,
357 InstrItinClass itin>: FFI<op, outs, ins, asmstr, pattern> {
359 let Inst{25-21} = addr{20-16};
360 let Inst{15-0} = addr{15-0};
364 let canFoldAsLoad = 1 in
365 class LoadM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
366 Operand MemOpnd, bit Pseudo>:
367 FMem<op, (outs RC:$rt), (ins MemOpnd:$addr),
368 !strconcat(instr_asm, "\t$rt, $addr"),
369 [(set RC:$rt, (OpNode addr:$addr))], IILoad> {
370 let isPseudo = Pseudo;
373 class StoreM<bits<6> op, string instr_asm, PatFrag OpNode, RegisterClass RC,
374 Operand MemOpnd, bit Pseudo>:
375 FMem<op, (outs), (ins RC:$rt, MemOpnd:$addr),
376 !strconcat(instr_asm, "\t$rt, $addr"),
377 [(OpNode RC:$rt, addr:$addr)], IIStore> {
378 let isPseudo = Pseudo;
382 multiclass LoadM32<bits<6> op, string instr_asm, PatFrag OpNode,
384 def #NAME# : LoadM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
386 def _P8 : LoadM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
391 multiclass LoadM64<bits<6> op, string instr_asm, PatFrag OpNode,
393 def #NAME# : LoadM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
395 def _P8 : LoadM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
400 multiclass StoreM32<bits<6> op, string instr_asm, PatFrag OpNode,
402 def #NAME# : StoreM<op, instr_asm, OpNode, CPURegs, mem, Pseudo>,
404 def _P8 : StoreM<op, instr_asm, OpNode, CPURegs, mem64, Pseudo>,
409 multiclass StoreM64<bits<6> op, string instr_asm, PatFrag OpNode,
411 def #NAME# : StoreM<op, instr_asm, OpNode, CPU64Regs, mem, Pseudo>,
413 def _P8 : StoreM<op, instr_asm, OpNode, CPU64Regs, mem64, Pseudo>,
417 // Conditional Branch
418 class CBranch<bits<6> op, string instr_asm, PatFrag cond_op, RegisterClass RC>:
419 CBranchBase<op, (outs), (ins RC:$rs, RC:$rt, brtarget:$imm16),
420 !strconcat(instr_asm, "\t$rs, $rt, $imm16"),
421 [(brcond (i32 (cond_op RC:$rs, RC:$rt)), bb:$imm16)], IIBranch> {
423 let isTerminator = 1;
424 let hasDelaySlot = 1;
427 class CBranchZero<bits<6> op, bits<5> _rt, string instr_asm, PatFrag cond_op,
429 CBranchBase<op, (outs), (ins RC:$rs, brtarget:$imm16),
430 !strconcat(instr_asm, "\t$rs, $imm16"),
431 [(brcond (i32 (cond_op RC:$rs, 0)), bb:$imm16)], IIBranch> {
434 let isTerminator = 1;
435 let hasDelaySlot = 1;
439 class SetCC_R<bits<6> op, bits<6> func, string instr_asm, PatFrag cond_op,
441 FR<op, func, (outs CPURegs:$rd), (ins RC:$rs, RC:$rt),
442 !strconcat(instr_asm, "\t$rd, $rs, $rt"),
443 [(set CPURegs:$rd, (cond_op RC:$rs, RC:$rt))],
448 class SetCC_I<bits<6> op, string instr_asm, PatFrag cond_op, Operand Od,
449 PatLeaf imm_type, RegisterClass RC>:
450 FI<op, (outs CPURegs:$rt), (ins RC:$rs, Od:$imm16),
451 !strconcat(instr_asm, "\t$rt, $rs, $imm16"),
452 [(set CPURegs:$rt, (cond_op RC:$rs, imm_type:$imm16))],
455 // Unconditional branch
456 let isBranch=1, isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
457 class JumpFJ<bits<6> op, string instr_asm>:
458 FJ<op, (outs), (ins jmptarget:$target),
459 !strconcat(instr_asm, "\t$target"), [(br bb:$target)], IIBranch>;
461 let isBranch=1, isTerminator=1, isBarrier=1, rd=0, hasDelaySlot = 1,
462 isIndirectBranch = 1 in
463 class JumpFR<bits<6> op, bits<6> func, string instr_asm, RegisterClass RC>:
464 FR<op, func, (outs), (ins RC:$rs),
465 !strconcat(instr_asm, "\t$rs"), [(brind RC:$rs)], IIBranch> {
471 // Jump and Link (Call)
472 let isCall=1, hasDelaySlot=1,
473 // All calls clobber the non-callee saved registers...
474 Defs = [AT, V0, V1, A0, A1, A2, A3, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9,
475 K0, K1, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9], Uses = [GP] in {
476 class JumpLink<bits<6> op, string instr_asm>:
477 FJ<op, (outs), (ins calltarget:$target, variable_ops),
478 !strconcat(instr_asm, "\t$target"), [(MipsJmpLink imm:$target)],
481 class JumpLinkReg<bits<6> op, bits<6> func, string instr_asm>:
482 FR<op, func, (outs), (ins CPURegs:$rs, variable_ops),
483 !strconcat(instr_asm, "\t$rs"), [(MipsJmpLink CPURegs:$rs)], IIBranch> {
489 class BranchLink<string instr_asm>:
490 FI<0x1, (outs), (ins CPURegs:$rs, brtarget:$imm16, variable_ops),
491 !strconcat(instr_asm, "\t$rs, $imm16"), [], IIBranch>;
495 class Mult<bits<6> func, string instr_asm, InstrItinClass itin,
496 RegisterClass RC, list<Register> DefRegs>:
497 FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
498 !strconcat(instr_asm, "\t$rs, $rt"), [], itin> {
501 let isCommutable = 1;
505 class Mult32<bits<6> func, string instr_asm, InstrItinClass itin>:
506 Mult<func, instr_asm, itin, CPURegs, [HI, LO]>;
508 class Div<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin,
509 RegisterClass RC, list<Register> DefRegs>:
510 FR<0x00, func, (outs), (ins RC:$rs, RC:$rt),
511 !strconcat(instr_asm, "\t$$zero, $rs, $rt"),
512 [(op RC:$rs, RC:$rt)], itin> {
518 class Div32<SDNode op, bits<6> func, string instr_asm, InstrItinClass itin>:
519 Div<op, func, instr_asm, itin, CPURegs, [HI, LO]>;
522 class MoveFromLOHI<bits<6> func, string instr_asm, RegisterClass RC,
523 list<Register> UseRegs>:
524 FR<0x00, func, (outs RC:$rd), (ins),
525 !strconcat(instr_asm, "\t$rd"), [], IIHiLo> {
532 class MoveToLOHI<bits<6> func, string instr_asm, RegisterClass RC,
533 list<Register> DefRegs>:
534 FR<0x00, func, (outs), (ins RC:$rs),
535 !strconcat(instr_asm, "\t$rs"), [], IIHiLo> {
542 class EffectiveAddress<string instr_asm, RegisterClass RC, Operand Mem> :
543 FMem<0x09, (outs RC:$rt), (ins Mem:$addr),
544 instr_asm, [(set RC:$rt, addr:$addr)], IIAlu>;
546 // Count Leading Ones/Zeros in Word
547 class CountLeading0<bits<6> func, string instr_asm, RegisterClass RC>:
548 FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
549 !strconcat(instr_asm, "\t$rd, $rs"),
550 [(set RC:$rd, (ctlz RC:$rs))], IIAlu>,
551 Requires<[HasBitCount]> {
556 class CountLeading1<bits<6> func, string instr_asm, RegisterClass RC>:
557 FR<0x1c, func, (outs RC:$rd), (ins RC:$rs),
558 !strconcat(instr_asm, "\t$rd, $rs"),
559 [(set RC:$rd, (ctlz (not RC:$rs)))], IIAlu>,
560 Requires<[HasBitCount]> {
565 // Sign Extend in Register.
566 class SignExtInReg<bits<5> sa, string instr_asm, ValueType vt>:
567 FR<0x1f, 0x20, (outs CPURegs:$rd), (ins CPURegs:$rt),
568 !strconcat(instr_asm, "\t$rd, $rt"),
569 [(set CPURegs:$rd, (sext_inreg CPURegs:$rt, vt))], NoItinerary> {
572 let Predicates = [HasSEInReg];
576 class ByteSwap<bits<6> func, bits<5> sa, string instr_asm>:
577 FR<0x1f, func, (outs CPURegs:$rd), (ins CPURegs:$rt),
578 !strconcat(instr_asm, "\t$rd, $rt"),
579 [(set CPURegs:$rd, (bswap CPURegs:$rt))], NoItinerary> {
582 let Predicates = [HasSwap];
586 class ReadHardware: FR<0x1f, 0x3b, (outs CPURegs:$rt), (ins HWRegs:$rd),
587 "rdhwr\t$rt, $rd", [], IIAlu> {
593 class ExtIns<bits<6> _funct, string instr_asm, dag outs, dag ins,
594 list<dag> pattern, InstrItinClass itin>:
595 FR<0x1f, _funct, outs, ins, !strconcat(instr_asm, " $rt, $rs, $pos, $sz"),
596 pattern, itin>, Requires<[HasMips32r2]> {
603 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
604 class Atomic2Ops<PatFrag Op, string Opstr, RegisterClass DRC,
606 MipsPseudo<(outs DRC:$dst), (ins PRC:$ptr, DRC:$incr),
607 !strconcat("atomic_", Opstr, "\t$dst, $ptr, $incr"),
608 [(set DRC:$dst, (Op PRC:$ptr, DRC:$incr))]>;
610 multiclass Atomic2Ops32<PatFrag Op, string Opstr> {
611 def #NAME# : Atomic2Ops<Op, Opstr, CPURegs, CPURegs>, Requires<[NotN64]>;
612 def _P8 : Atomic2Ops<Op, Opstr, CPURegs, CPU64Regs>, Requires<[IsN64]>;
615 // Atomic Compare & Swap.
616 class AtomicCmpSwap<PatFrag Op, string Width, RegisterClass DRC,
618 MipsPseudo<(outs DRC:$dst), (ins PRC:$ptr, DRC:$cmp, DRC:$swap),
619 !strconcat("atomic_cmp_swap_", Width, "\t$dst, $ptr, $cmp, $swap"),
620 [(set DRC:$dst, (Op PRC:$ptr, DRC:$cmp, DRC:$swap))]>;
622 multiclass AtomicCmpSwap32<PatFrag Op, string Width> {
623 def #NAME# : AtomicCmpSwap<Op, Width, CPURegs, CPURegs>, Requires<[NotN64]>;
624 def _P8 : AtomicCmpSwap<Op, Width, CPURegs, CPU64Regs>, Requires<[IsN64]>;
627 class LLBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
628 FMem<Opc, (outs RC:$rt), (ins Mem:$addr),
629 !strconcat(opstring, "\t$rt, $addr"), [], IILoad> {
633 class SCBase<bits<6> Opc, string opstring, RegisterClass RC, Operand Mem> :
634 FMem<Opc, (outs RC:$dst), (ins RC:$rt, Mem:$addr),
635 !strconcat(opstring, "\t$rt, $addr"), [], IIStore> {
637 let Constraints = "$rt = $dst";
640 //===----------------------------------------------------------------------===//
641 // Pseudo instructions
642 //===----------------------------------------------------------------------===//
644 // As stack alignment is always done with addiu, we need a 16-bit immediate
645 let Defs = [SP], Uses = [SP] in {
646 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins uimm16:$amt),
647 "!ADJCALLSTACKDOWN $amt",
648 [(callseq_start timm:$amt)]>;
649 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins uimm16:$amt1, uimm16:$amt2),
650 "!ADJCALLSTACKUP $amt1",
651 [(callseq_end timm:$amt1, timm:$amt2)]>;
654 // Some assembly macros need to avoid pseudoinstructions and assembler
655 // automatic reodering, we should reorder ourselves.
656 def MACRO : MipsPseudo<(outs), (ins), ".set\tmacro", []>;
657 def REORDER : MipsPseudo<(outs), (ins), ".set\treorder", []>;
658 def NOMACRO : MipsPseudo<(outs), (ins), ".set\tnomacro", []>;
659 def NOREORDER : MipsPseudo<(outs), (ins), ".set\tnoreorder", []>;
661 // These macros are inserted to prevent GAS from complaining
662 // when using the AT register.
663 def NOAT : MipsPseudo<(outs), (ins), ".set\tnoat", []>;
664 def ATMACRO : MipsPseudo<(outs), (ins), ".set\tat", []>;
666 // When handling PIC code the assembler needs .cpload and .cprestore
667 // directives. If the real instructions corresponding these directives
668 // are used, we have the same behavior, but get also a bunch of warnings
669 // from the assembler.
670 def CPLOAD : MipsPseudo<(outs), (ins CPURegs:$picreg), ".cpload\t$picreg", []>;
671 def CPRESTORE : MipsPseudo<(outs), (ins i32imm:$loc), ".cprestore\t$loc", []>;
673 let usesCustomInserter = 1 in {
674 defm ATOMIC_LOAD_ADD_I8 : Atomic2Ops32<atomic_load_add_8, "load_add_8">;
675 defm ATOMIC_LOAD_ADD_I16 : Atomic2Ops32<atomic_load_add_16, "load_add_16">;
676 defm ATOMIC_LOAD_ADD_I32 : Atomic2Ops32<atomic_load_add_32, "load_add_32">;
677 defm ATOMIC_LOAD_SUB_I8 : Atomic2Ops32<atomic_load_sub_8, "load_sub_8">;
678 defm ATOMIC_LOAD_SUB_I16 : Atomic2Ops32<atomic_load_sub_16, "load_sub_16">;
679 defm ATOMIC_LOAD_SUB_I32 : Atomic2Ops32<atomic_load_sub_32, "load_sub_32">;
680 defm ATOMIC_LOAD_AND_I8 : Atomic2Ops32<atomic_load_and_8, "load_and_8">;
681 defm ATOMIC_LOAD_AND_I16 : Atomic2Ops32<atomic_load_and_16, "load_and_16">;
682 defm ATOMIC_LOAD_AND_I32 : Atomic2Ops32<atomic_load_and_32, "load_and_32">;
683 defm ATOMIC_LOAD_OR_I8 : Atomic2Ops32<atomic_load_or_8, "load_or_8">;
684 defm ATOMIC_LOAD_OR_I16 : Atomic2Ops32<atomic_load_or_16, "load_or_16">;
685 defm ATOMIC_LOAD_OR_I32 : Atomic2Ops32<atomic_load_or_32, "load_or_32">;
686 defm ATOMIC_LOAD_XOR_I8 : Atomic2Ops32<atomic_load_xor_8, "load_xor_8">;
687 defm ATOMIC_LOAD_XOR_I16 : Atomic2Ops32<atomic_load_xor_16, "load_xor_16">;
688 defm ATOMIC_LOAD_XOR_I32 : Atomic2Ops32<atomic_load_xor_32, "load_xor_32">;
689 defm ATOMIC_LOAD_NAND_I8 : Atomic2Ops32<atomic_load_nand_8, "load_nand_8">;
690 defm ATOMIC_LOAD_NAND_I16 : Atomic2Ops32<atomic_load_nand_16, "load_nand_16">;
691 defm ATOMIC_LOAD_NAND_I32 : Atomic2Ops32<atomic_load_nand_32, "load_nand_32">;
693 defm ATOMIC_SWAP_I8 : Atomic2Ops32<atomic_swap_8, "swap_8">;
694 defm ATOMIC_SWAP_I16 : Atomic2Ops32<atomic_swap_16, "swap_16">;
695 defm ATOMIC_SWAP_I32 : Atomic2Ops32<atomic_swap_32, "swap_32">;
697 defm ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap32<atomic_cmp_swap_8, "8">;
698 defm ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap32<atomic_cmp_swap_16, "16">;
699 defm ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap32<atomic_cmp_swap_32, "32">;
702 //===----------------------------------------------------------------------===//
703 // Instruction definition
704 //===----------------------------------------------------------------------===//
706 //===----------------------------------------------------------------------===//
707 // MipsI Instructions
708 //===----------------------------------------------------------------------===//
710 /// Arithmetic Instructions (ALU Immediate)
711 def ADDiu : ArithLogicI<0x09, "addiu", add, simm16, immSExt16, CPURegs>;
712 def ADDi : ArithOverflowI<0x08, "addi", add, simm16, immSExt16, CPURegs>;
713 def SLTi : SetCC_I<0x0a, "slti", setlt, simm16, immSExt16, CPURegs>;
714 def SLTiu : SetCC_I<0x0b, "sltiu", setult, simm16, immSExt16, CPURegs>;
715 def ANDi : ArithLogicI<0x0c, "andi", and, uimm16, immZExt16, CPURegs>;
716 def ORi : ArithLogicI<0x0d, "ori", or, uimm16, immZExt16, CPURegs>;
717 def XORi : ArithLogicI<0x0e, "xori", xor, uimm16, immZExt16, CPURegs>;
718 def LUi : LoadUpper<0x0f, "lui", CPURegs, uimm16>;
720 /// Arithmetic Instructions (3-Operand, R-Type)
721 def ADDu : ArithLogicR<0x00, 0x21, "addu", add, IIAlu, CPURegs, 1>;
722 def SUBu : ArithLogicR<0x00, 0x23, "subu", sub, IIAlu, CPURegs>;
723 def ADD : ArithOverflowR<0x00, 0x20, "add", IIAlu, CPURegs, 1>;
724 def SUB : ArithOverflowR<0x00, 0x22, "sub", IIAlu, CPURegs>;
725 def SLT : SetCC_R<0x00, 0x2a, "slt", setlt, CPURegs>;
726 def SLTu : SetCC_R<0x00, 0x2b, "sltu", setult, CPURegs>;
727 def AND : ArithLogicR<0x00, 0x24, "and", and, IIAlu, CPURegs, 1>;
728 def OR : ArithLogicR<0x00, 0x25, "or", or, IIAlu, CPURegs, 1>;
729 def XOR : ArithLogicR<0x00, 0x26, "xor", xor, IIAlu, CPURegs, 1>;
730 def NOR : LogicNOR<0x00, 0x27, "nor", CPURegs>;
732 /// Shift Instructions
733 def SLL : shift_rotate_imm32<0x00, 0x00, "sll", shl>;
734 def SRL : shift_rotate_imm32<0x02, 0x00, "srl", srl>;
735 def SRA : shift_rotate_imm32<0x03, 0x00, "sra", sra>;
736 def SLLV : shift_rotate_reg<0x04, 0x00, "sllv", shl, CPURegs>;
737 def SRLV : shift_rotate_reg<0x06, 0x00, "srlv", srl, CPURegs>;
738 def SRAV : shift_rotate_reg<0x07, 0x00, "srav", sra, CPURegs>;
740 // Rotate Instructions
741 let Predicates = [HasMips32r2] in {
742 def ROTR : shift_rotate_imm32<0x02, 0x01, "rotr", rotr>;
743 def ROTRV : shift_rotate_reg<0x06, 0x01, "rotrv", rotr, CPURegs>;
746 /// Load and Store Instructions
748 defm LB : LoadM32<0x20, "lb", sextloadi8>;
749 defm LBu : LoadM32<0x24, "lbu", zextloadi8>;
750 defm LH : LoadM32<0x21, "lh", sextloadi16_a>;
751 defm LHu : LoadM32<0x25, "lhu", zextloadi16_a>;
752 defm LW : LoadM32<0x23, "lw", load_a>;
753 defm SB : StoreM32<0x28, "sb", truncstorei8>;
754 defm SH : StoreM32<0x29, "sh", truncstorei16_a>;
755 defm SW : StoreM32<0x2b, "sw", store_a>;
758 defm ULH : LoadM32<0x21, "ulh", sextloadi16_u, 1>;
759 defm ULHu : LoadM32<0x25, "ulhu", zextloadi16_u, 1>;
760 defm ULW : LoadM32<0x23, "ulw", load_u, 1>;
761 defm USH : StoreM32<0x29, "ush", truncstorei16_u, 1>;
762 defm USW : StoreM32<0x2b, "usw", store_u, 1>;
764 let hasSideEffects = 1 in
765 def SYNC : MipsInst<(outs), (ins i32imm:$stype), "sync $stype",
766 [(MipsSync imm:$stype)], NoItinerary, FrmOther>
771 let Inst{10-6} = stype;
775 /// Load-linked, Store-conditional
776 def LL : LLBase<0x30, "ll", CPURegs, mem>, Requires<[NotN64]>;
777 def LL_P8 : LLBase<0x30, "ll", CPURegs, mem64>, Requires<[IsN64]>;
778 def SC : SCBase<0x38, "sc", CPURegs, mem>, Requires<[NotN64]>;
779 def SC_P8 : SCBase<0x38, "sc", CPURegs, mem64>, Requires<[IsN64]>;
781 /// Jump and Branch Instructions
782 def J : JumpFJ<0x02, "j">;
783 def JR : JumpFR<0x00, 0x08, "jr", CPURegs>;
784 def JAL : JumpLink<0x03, "jal">;
785 def JALR : JumpLinkReg<0x00, 0x09, "jalr">;
786 def BEQ : CBranch<0x04, "beq", seteq, CPURegs>;
787 def BNE : CBranch<0x05, "bne", setne, CPURegs>;
788 def BGEZ : CBranchZero<0x01, 1, "bgez", setge, CPURegs>;
789 def BGTZ : CBranchZero<0x07, 0, "bgtz", setgt, CPURegs>;
790 def BLEZ : CBranchZero<0x06, 0, "blez", setle, CPURegs>;
791 def BLTZ : CBranchZero<0x01, 0, "bltz", setlt, CPURegs>;
794 def BGEZAL : BranchLink<"bgezal">;
796 def BLTZAL : BranchLink<"bltzal">;
798 let isReturn=1, isTerminator=1, hasDelaySlot=1,
799 isBarrier=1, hasCtrlDep=1, rd=0, rt=0, shamt=0 in
800 def RET : FR <0x00, 0x08, (outs), (ins CPURegs:$target),
801 "jr\t$target", [(MipsRet CPURegs:$target)], IIBranch>;
803 /// Multiply and Divide Instructions.
804 def MULT : Mult32<0x18, "mult", IIImul>;
805 def MULTu : Mult32<0x19, "multu", IIImul>;
806 def SDIV : Div32<MipsDivRem, 0x1a, "div", IIIdiv>;
807 def UDIV : Div32<MipsDivRemU, 0x1b, "divu", IIIdiv>;
809 def MTHI : MoveToLOHI<0x11, "mthi", CPURegs, [HI]>;
810 def MTLO : MoveToLOHI<0x13, "mtlo", CPURegs, [LO]>;
811 def MFHI : MoveFromLOHI<0x10, "mfhi", CPURegs, [HI]>;
812 def MFLO : MoveFromLOHI<0x12, "mflo", CPURegs, [LO]>;
814 /// Sign Ext In Register Instructions.
815 def SEB : SignExtInReg<0x10, "seb", i8>;
816 def SEH : SignExtInReg<0x18, "seh", i16>;
819 def CLZ : CountLeading0<0x20, "clz", CPURegs>;
820 def CLO : CountLeading1<0x21, "clo", CPURegs>;
823 def WSBW : ByteSwap<0x20, 0x2, "wsbw">;
827 def NOP : FJ<0, (outs), (ins), "nop", [], IIAlu>;
829 // FrameIndexes are legalized when they are operands from load/store
830 // instructions. The same not happens for stack address copies, so an
831 // add op with mem ComplexPattern is used and the stack address copy
832 // can be matched. It's similar to Sparc LEA_ADDRi
833 def LEA_ADDiu : EffectiveAddress<"addiu\t$rt, $addr", CPURegs, mem_ea>;
835 // DynAlloc node points to dynamically allocated stack space.
836 // $sp is added to the list of implicitly used registers to prevent dead code
837 // elimination from removing instructions that modify $sp.
839 def DynAlloc : EffectiveAddress<"addiu\t$rt, $addr", CPURegs, mem_ea>;
842 def MADD : MArithR<0, "madd", MipsMAdd, 1>;
843 def MADDU : MArithR<1, "maddu", MipsMAddu, 1>;
844 def MSUB : MArithR<4, "msub", MipsMSub>;
845 def MSUBU : MArithR<5, "msubu", MipsMSubu>;
847 // MUL is a assembly macro in the current used ISAs. In recent ISA's
848 // it is a real instruction.
849 def MUL : ArithLogicR<0x1c, 0x02, "mul", mul, IIImul, CPURegs, 1>,
850 Requires<[HasMips32]>;
852 def RDHWR : ReadHardware;
854 def EXT : ExtIns<0, "ext", (outs CPURegs:$rt),
855 (ins CPURegs:$rs, uimm16:$pos, size_ext:$sz),
857 (MipsExt CPURegs:$rs, immZExt5:$pos, immZExt5:$sz))],
860 let Constraints = "$src = $rt" in
861 def INS : ExtIns<4, "ins", (outs CPURegs:$rt),
862 (ins CPURegs:$rs, uimm16:$pos, size_ins:$sz, CPURegs:$src),
864 (MipsIns CPURegs:$rs, immZExt5:$pos, immZExt5:$sz,
868 //===----------------------------------------------------------------------===//
869 // Arbitrary patterns that map to one or more instructions
870 //===----------------------------------------------------------------------===//
873 def : Pat<(i32 immSExt16:$in),
874 (ADDiu ZERO, imm:$in)>;
875 def : Pat<(i32 immZExt16:$in),
876 (ORi ZERO, imm:$in)>;
878 // Arbitrary immediates
879 def : Pat<(i32 imm:$imm),
880 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
883 def : Pat<(subc CPURegs:$lhs, CPURegs:$rhs),
884 (SUBu CPURegs:$lhs, CPURegs:$rhs)>;
885 def : Pat<(addc CPURegs:$lhs, CPURegs:$rhs),
886 (ADDu CPURegs:$lhs, CPURegs:$rhs)>;
887 def : Pat<(addc CPURegs:$src, immSExt16:$imm),
888 (ADDiu CPURegs:$src, imm:$imm)>;
891 def : Pat<(MipsJmpLink (i32 tglobaladdr:$dst)),
892 (JAL tglobaladdr:$dst)>;
893 def : Pat<(MipsJmpLink (i32 texternalsym:$dst)),
894 (JAL texternalsym:$dst)>;
895 //def : Pat<(MipsJmpLink CPURegs:$dst),
896 // (JALR CPURegs:$dst)>;
899 def : Pat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
900 def : Pat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
901 def : Pat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
902 def : Pat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
904 def : Pat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
905 def : Pat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
906 def : Pat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
907 def : Pat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
909 def : Pat<(add CPURegs:$hi, (MipsLo tglobaladdr:$lo)),
910 (ADDiu CPURegs:$hi, tglobaladdr:$lo)>;
911 def : Pat<(add CPURegs:$hi, (MipsLo tblockaddress:$lo)),
912 (ADDiu CPURegs:$hi, tblockaddress:$lo)>;
913 def : Pat<(add CPURegs:$hi, (MipsLo tjumptable:$lo)),
914 (ADDiu CPURegs:$hi, tjumptable:$lo)>;
915 def : Pat<(add CPURegs:$hi, (MipsLo tconstpool:$lo)),
916 (ADDiu CPURegs:$hi, tconstpool:$lo)>;
919 def : Pat<(add CPURegs:$gp, (MipsGPRel tglobaladdr:$in)),
920 (ADDiu CPURegs:$gp, tglobaladdr:$in)>;
921 def : Pat<(add CPURegs:$gp, (MipsGPRel tconstpool:$in)),
922 (ADDiu CPURegs:$gp, tconstpool:$in)>;
925 def : Pat<(add CPURegs:$gp, (MipsTlsGd tglobaltlsaddr:$in)),
926 (ADDiu CPURegs:$gp, tglobaltlsaddr:$in)>;
929 def : Pat<(MipsTprelHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
930 def : Pat<(MipsTprelLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
931 def : Pat<(add CPURegs:$hi, (MipsTprelLo tglobaltlsaddr:$lo)),
932 (ADDiu CPURegs:$hi, tglobaltlsaddr:$lo)>;
935 class WrapperPICPat<SDNode node>:
936 Pat<(MipsWrapperPIC node:$in),
937 (ADDiu GP, node:$in)>;
939 def : WrapperPICPat<tglobaladdr>;
940 def : WrapperPICPat<tconstpool>;
941 def : WrapperPICPat<texternalsym>;
942 def : WrapperPICPat<tblockaddress>;
943 def : WrapperPICPat<tjumptable>;
945 // Mips does not have "not", so we expand our way
946 def : Pat<(not CPURegs:$in),
947 (NOR CPURegs:$in, ZERO)>;
949 // extended load and stores
950 def : Pat<(extloadi1 addr:$src), (LBu addr:$src)>;
951 def : Pat<(extloadi8 addr:$src), (LBu addr:$src)>;
952 def : Pat<(extloadi16_a addr:$src), (LHu addr:$src)>;
953 def : Pat<(extloadi16_u addr:$src), (ULHu addr:$src)>;
956 def : Pat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
959 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
960 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
961 Instruction SLTiuOp, Register ZEROReg> {
962 def : Pat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
963 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
964 def : Pat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
965 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
967 def : Pat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
968 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
969 def : Pat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
970 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
971 def : Pat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
972 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
973 def : Pat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
974 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
976 def : Pat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
977 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
978 def : Pat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
979 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
981 def : Pat<(brcond RC:$cond, bb:$dst),
982 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
985 defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
988 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
989 Instruction SLTuOp, Register ZEROReg> {
990 def : Pat<(seteq RC:$lhs, RC:$rhs),
991 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
992 def : Pat<(setne RC:$lhs, RC:$rhs),
993 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
996 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
997 def : Pat<(setle RC:$lhs, RC:$rhs),
998 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
999 def : Pat<(setule RC:$lhs, RC:$rhs),
1000 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1003 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1004 def : Pat<(setgt RC:$lhs, RC:$rhs),
1005 (SLTOp RC:$rhs, RC:$lhs)>;
1006 def : Pat<(setugt RC:$lhs, RC:$rhs),
1007 (SLTuOp RC:$rhs, RC:$lhs)>;
1010 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1011 def : Pat<(setge RC:$lhs, RC:$rhs),
1012 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1013 def : Pat<(setuge RC:$lhs, RC:$rhs),
1014 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1017 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1018 Instruction SLTiuOp> {
1019 def : Pat<(setge RC:$lhs, immSExt16:$rhs),
1020 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1021 def : Pat<(setuge RC:$lhs, immSExt16:$rhs),
1022 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1025 defm : SeteqPats<CPURegs, SLTiu, XOR, SLTu, ZERO>;
1026 defm : SetlePats<CPURegs, SLT, SLTu>;
1027 defm : SetgtPats<CPURegs, SLT, SLTu>;
1028 defm : SetgePats<CPURegs, SLT, SLTu>;
1029 defm : SetgeImmPats<CPURegs, SLTi, SLTiu>;
1031 // select MipsDynAlloc
1032 def : Pat<(MipsDynAlloc addr:$f), (DynAlloc addr:$f)>;
1034 //===----------------------------------------------------------------------===//
1035 // Floating Point Support
1036 //===----------------------------------------------------------------------===//
1038 include "MipsInstrFPU.td"
1039 include "Mips64InstrInfo.td"
1040 include "MipsCondMov.td"