1 //===- ARMInstrInfo.td - Target Description for ARM 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 describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 0, []>;
62 def SDT_ARMSYNCBARRIER : SDTypeProfile<0, 0, []>;
63 def SDT_ARMMEMBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
64 def SDT_ARMSYNCBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
66 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
68 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
69 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
72 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
73 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
75 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
76 [SDNPHasChain, SDNPOutFlag]>;
77 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
78 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
80 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
81 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
83 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
84 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
86 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
87 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
90 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
91 [SDNPHasChain, SDNPOptInFlag]>;
93 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
95 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
98 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
99 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
101 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
103 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
106 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
109 def ARMand : SDNode<"ARMISD::AND", SDT_ARMAnd,
112 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
115 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
116 [SDNPOutFlag, SDNPCommutative]>;
118 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
120 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
121 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
122 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
124 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
125 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
126 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
127 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
128 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
130 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
132 def ARMSyncBarrier : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIER,
134 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERMCR,
136 def ARMSyncBarrierMCR : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERMCR,
139 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
141 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
142 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
145 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
147 //===----------------------------------------------------------------------===//
148 // ARM Instruction Predicate Definitions.
150 def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
151 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
152 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
153 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
154 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
155 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
156 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
157 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
158 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
159 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
160 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
161 def HasNEON : Predicate<"Subtarget->hasNEON()">;
162 def HasDivide : Predicate<"Subtarget->hasDivide()">;
163 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
164 def HasDB : Predicate<"Subtarget->hasDataBarrier()">;
165 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
166 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
167 def IsThumb : Predicate<"Subtarget->isThumb()">;
168 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
169 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
170 def IsARM : Predicate<"!Subtarget->isThumb()">;
171 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
172 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
174 // FIXME: Eventually this will be just "hasV6T2Ops".
175 def UseMovt : Predicate<"Subtarget->useMovt()">;
176 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
177 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
179 //===----------------------------------------------------------------------===//
180 // ARM Flag Definitions.
182 class RegConstraint<string C> {
183 string Constraints = C;
186 //===----------------------------------------------------------------------===//
187 // ARM specific transformation functions and pattern fragments.
190 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
191 // so_imm_neg def below.
192 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
193 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
196 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
197 // so_imm_not def below.
198 def so_imm_not_XFORM : SDNodeXForm<imm, [{
199 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
202 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
203 def rot_imm : PatLeaf<(i32 imm), [{
204 int32_t v = (int32_t)N->getZExtValue();
205 return v == 8 || v == 16 || v == 24;
208 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
209 def imm1_15 : PatLeaf<(i32 imm), [{
210 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
213 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
214 def imm16_31 : PatLeaf<(i32 imm), [{
215 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
220 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
221 }], so_imm_neg_XFORM>;
225 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
226 }], so_imm_not_XFORM>;
228 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
229 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
230 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
233 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
235 def bf_inv_mask_imm : Operand<i32>,
237 return ARM::isBitFieldInvertedMask(N->getZExtValue());
239 let PrintMethod = "printBitfieldInvMaskImmOperand";
242 /// Split a 32-bit immediate into two 16 bit parts.
243 def hi16 : SDNodeXForm<imm, [{
244 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
247 def lo16AllZero : PatLeaf<(i32 imm), [{
248 // Returns true if all low 16-bits are 0.
249 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
252 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
254 def imm0_65535 : PatLeaf<(i32 imm), [{
255 return (uint32_t)N->getZExtValue() < 65536;
258 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
259 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
261 /// adde and sube predicates - True based on whether the carry flag output
262 /// will be needed or not.
263 def adde_dead_carry :
264 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
265 [{return !N->hasAnyUseOfValue(1);}]>;
266 def sube_dead_carry :
267 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
268 [{return !N->hasAnyUseOfValue(1);}]>;
269 def adde_live_carry :
270 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
271 [{return N->hasAnyUseOfValue(1);}]>;
272 def sube_live_carry :
273 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
274 [{return N->hasAnyUseOfValue(1);}]>;
276 //===----------------------------------------------------------------------===//
277 // Operand Definitions.
281 def brtarget : Operand<OtherVT>;
283 // A list of registers separated by comma. Used by load/store multiple.
284 def reglist : Operand<i32> {
285 let PrintMethod = "printRegisterList";
288 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
289 def cpinst_operand : Operand<i32> {
290 let PrintMethod = "printCPInstOperand";
293 def jtblock_operand : Operand<i32> {
294 let PrintMethod = "printJTBlockOperand";
296 def jt2block_operand : Operand<i32> {
297 let PrintMethod = "printJT2BlockOperand";
301 def pclabel : Operand<i32> {
302 let PrintMethod = "printPCLabel";
305 // shift_imm: An integer that encodes a shift amount and the type of shift
306 // (currently either asr or lsl) using the same encoding used for the
307 // immediates in so_reg operands.
308 def shift_imm : Operand<i32> {
309 let PrintMethod = "printShiftImmOperand";
312 // shifter_operand operands: so_reg and so_imm.
313 def so_reg : Operand<i32>, // reg reg imm
314 ComplexPattern<i32, 3, "SelectShifterOperandReg",
315 [shl,srl,sra,rotr]> {
316 let PrintMethod = "printSORegOperand";
317 let MIOperandInfo = (ops GPR, GPR, i32imm);
320 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
321 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
322 // represented in the imm field in the same 12-bit form that they are encoded
323 // into so_imm instructions: the 8-bit immediate is the least significant bits
324 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
325 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
326 let PrintMethod = "printSOImmOperand";
329 // Break so_imm's up into two pieces. This handles immediates with up to 16
330 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
331 // get the first/second pieces.
332 def so_imm2part : Operand<i32>,
334 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
336 let PrintMethod = "printSOImm2PartOperand";
339 def so_imm2part_1 : SDNodeXForm<imm, [{
340 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
341 return CurDAG->getTargetConstant(V, MVT::i32);
344 def so_imm2part_2 : SDNodeXForm<imm, [{
345 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
346 return CurDAG->getTargetConstant(V, MVT::i32);
349 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
350 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
352 let PrintMethod = "printSOImm2PartOperand";
355 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
356 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
357 return CurDAG->getTargetConstant(V, MVT::i32);
360 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
361 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
362 return CurDAG->getTargetConstant(V, MVT::i32);
365 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
366 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
367 return (int32_t)N->getZExtValue() < 32;
370 // Define ARM specific addressing modes.
372 // addrmode2base := reg +/- imm12
374 def addrmode2base : Operand<i32>,
375 ComplexPattern<i32, 3, "SelectAddrMode2Base", []> {
376 let PrintMethod = "printAddrMode2Operand";
377 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
379 // addrmode2shop := reg +/- reg shop imm
381 def addrmode2shop : Operand<i32>,
382 ComplexPattern<i32, 3, "SelectAddrMode2ShOp", []> {
383 let PrintMethod = "printAddrMode2Operand";
384 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
387 // addrmode2 := (addrmode2base || addrmode2shop)
389 def addrmode2 : Operand<i32>,
390 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
391 let PrintMethod = "printAddrMode2Operand";
392 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
395 def am2offset : Operand<i32>,
396 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
397 [], [SDNPWantRoot]> {
398 let PrintMethod = "printAddrMode2OffsetOperand";
399 let MIOperandInfo = (ops GPR, i32imm);
402 // addrmode3 := reg +/- reg
403 // addrmode3 := reg +/- imm8
405 def addrmode3 : Operand<i32>,
406 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
407 let PrintMethod = "printAddrMode3Operand";
408 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
411 def am3offset : Operand<i32>,
412 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
413 [], [SDNPWantRoot]> {
414 let PrintMethod = "printAddrMode3OffsetOperand";
415 let MIOperandInfo = (ops GPR, i32imm);
418 // addrmode4 := reg, <mode|W>
420 def addrmode4 : Operand<i32>,
421 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
422 let PrintMethod = "printAddrMode4Operand";
423 let MIOperandInfo = (ops GPR:$addr, i32imm);
426 // addrmode5 := reg +/- imm8*4
428 def addrmode5 : Operand<i32>,
429 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
430 let PrintMethod = "printAddrMode5Operand";
431 let MIOperandInfo = (ops GPR:$base, i32imm);
434 // addrmode6 := reg with optional writeback
436 def addrmode6 : Operand<i32>,
437 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
438 let PrintMethod = "printAddrMode6Operand";
439 let MIOperandInfo = (ops GPR:$addr, i32imm);
442 def am6offset : Operand<i32> {
443 let PrintMethod = "printAddrMode6OffsetOperand";
444 let MIOperandInfo = (ops GPR);
447 // addrmodepc := pc + reg
449 def addrmodepc : Operand<i32>,
450 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
451 let PrintMethod = "printAddrModePCOperand";
452 let MIOperandInfo = (ops GPR, i32imm);
455 def nohash_imm : Operand<i32> {
456 let PrintMethod = "printNoHashImmediate";
459 //===----------------------------------------------------------------------===//
461 include "ARMInstrFormats.td"
463 //===----------------------------------------------------------------------===//
464 // Multiclass helpers...
467 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
468 /// binop that produces a value.
469 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
470 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
471 PatFrag opnode, bit Commutable = 0> {
472 // The register-immediate version is re-materializable. This is useful
473 // in particular for taking the address of a local.
474 let isReMaterializable = 1 in {
475 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
476 iii, opc, "\t$dst, $a, $b",
477 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
481 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
482 iir, opc, "\t$Rd, $Rn, $Rm",
483 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
487 let Inst{11-4} = 0b00000000;
489 let isCommutable = Commutable;
491 let Inst{15-12} = Rd;
492 let Inst{19-16} = Rn;
494 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
495 iis, opc, "\t$dst, $a, $b",
496 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
502 let Inst{15-12} = Rd;
503 let Inst{19-16} = Rn;
507 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
508 /// instruction modifies the CPSR register.
509 let Defs = [CPSR] in {
510 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
511 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
512 PatFrag opnode, bit Commutable = 0> {
513 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
514 iii, opc, "\t$dst, $a, $b",
515 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
519 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
520 iir, opc, "\t$dst, $a, $b",
521 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
522 let isCommutable = Commutable;
523 let Inst{11-4} = 0b00000000;
527 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
528 iis, opc, "\t$dst, $a, $b",
529 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
536 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
537 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
538 /// a explicit result, only implicitly set CPSR.
539 let isCompare = 1, Defs = [CPSR] in {
540 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
541 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
542 PatFrag opnode, bit Commutable = 0> {
543 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, iii,
545 [(opnode GPR:$a, so_imm:$b)]> {
549 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, iir,
551 [(opnode GPR:$a, GPR:$b)]> {
552 let Inst{11-4} = 0b00000000;
555 let isCommutable = Commutable;
557 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, iis,
559 [(opnode GPR:$a, so_reg:$b)]> {
566 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
567 /// register and one whose operand is a register rotated by 8/16/24.
568 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
569 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
570 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
571 IIC_iEXTr, opc, "\t$dst, $src",
572 [(set GPR:$dst, (opnode GPR:$src))]>,
573 Requires<[IsARM, HasV6]> {
574 let Inst{11-10} = 0b00;
575 let Inst{19-16} = 0b1111;
577 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
578 IIC_iEXTr, opc, "\t$dst, $src, ror $rot",
579 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
580 Requires<[IsARM, HasV6]> {
581 let Inst{19-16} = 0b1111;
585 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
586 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
587 IIC_iEXTr, opc, "\t$dst, $src",
588 [/* For disassembly only; pattern left blank */]>,
589 Requires<[IsARM, HasV6]> {
590 let Inst{11-10} = 0b00;
591 let Inst{19-16} = 0b1111;
593 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
594 IIC_iEXTr, opc, "\t$dst, $src, ror $rot",
595 [/* For disassembly only; pattern left blank */]>,
596 Requires<[IsARM, HasV6]> {
597 let Inst{19-16} = 0b1111;
601 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
602 /// register and one whose operand is a register rotated by 8/16/24.
603 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
604 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
605 IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS",
606 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
607 Requires<[IsARM, HasV6]> {
608 let Inst{11-10} = 0b00;
610 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
612 IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS, ror $rot",
613 [(set GPR:$dst, (opnode GPR:$LHS,
614 (rotr GPR:$RHS, rot_imm:$rot)))]>,
615 Requires<[IsARM, HasV6]>;
618 // For disassembly only.
619 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
620 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
621 IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS",
622 [/* For disassembly only; pattern left blank */]>,
623 Requires<[IsARM, HasV6]> {
624 let Inst{11-10} = 0b00;
626 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
628 IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS, ror $rot",
629 [/* For disassembly only; pattern left blank */]>,
630 Requires<[IsARM, HasV6]>;
633 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
634 let Uses = [CPSR] in {
635 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
636 bit Commutable = 0> {
637 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
638 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
639 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
643 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
644 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
645 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
647 let isCommutable = Commutable;
648 let Inst{11-4} = 0b00000000;
651 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
652 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
653 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
658 // Carry setting variants
659 let Defs = [CPSR] in {
660 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
661 bit Commutable = 0> {
662 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
663 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
664 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
669 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
670 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
671 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
673 let Inst{11-4} = 0b00000000;
677 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
678 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
679 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
688 //===----------------------------------------------------------------------===//
690 //===----------------------------------------------------------------------===//
692 //===----------------------------------------------------------------------===//
693 // Miscellaneous Instructions.
696 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
697 /// the function. The first operand is the ID# for this instruction, the second
698 /// is the index into the MachineConstantPool that this is, the third is the
699 /// size in bytes of this constant pool entry.
700 let neverHasSideEffects = 1, isNotDuplicable = 1 in
701 def CONSTPOOL_ENTRY :
702 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
703 i32imm:$size), NoItinerary, "", []>;
705 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
706 // from removing one half of the matched pairs. That breaks PEI, which assumes
707 // these will always be in pairs, and asserts if it finds otherwise. Better way?
708 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
710 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
711 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
713 def ADJCALLSTACKDOWN :
714 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
715 [(ARMcallseq_start timm:$amt)]>;
718 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
719 [/* For disassembly only; pattern left blank */]>,
720 Requires<[IsARM, HasV6T2]> {
721 let Inst{27-16} = 0b001100100000;
722 let Inst{7-0} = 0b00000000;
725 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
726 [/* For disassembly only; pattern left blank */]>,
727 Requires<[IsARM, HasV6T2]> {
728 let Inst{27-16} = 0b001100100000;
729 let Inst{7-0} = 0b00000001;
732 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
733 [/* For disassembly only; pattern left blank */]>,
734 Requires<[IsARM, HasV6T2]> {
735 let Inst{27-16} = 0b001100100000;
736 let Inst{7-0} = 0b00000010;
739 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
740 [/* For disassembly only; pattern left blank */]>,
741 Requires<[IsARM, HasV6T2]> {
742 let Inst{27-16} = 0b001100100000;
743 let Inst{7-0} = 0b00000011;
746 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
748 [/* For disassembly only; pattern left blank */]>,
749 Requires<[IsARM, HasV6]> {
750 let Inst{27-20} = 0b01101000;
751 let Inst{7-4} = 0b1011;
754 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
755 [/* For disassembly only; pattern left blank */]>,
756 Requires<[IsARM, HasV6T2]> {
757 let Inst{27-16} = 0b001100100000;
758 let Inst{7-0} = 0b00000100;
761 // The i32imm operand $val can be used by a debugger to store more information
762 // about the breakpoint.
763 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
764 [/* For disassembly only; pattern left blank */]>,
766 let Inst{27-20} = 0b00010010;
767 let Inst{7-4} = 0b0111;
770 // Change Processor State is a system instruction -- for disassembly only.
771 // The singleton $opt operand contains the following information:
772 // opt{4-0} = mode from Inst{4-0}
773 // opt{5} = changemode from Inst{17}
774 // opt{8-6} = AIF from Inst{8-6}
775 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
776 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
777 [/* For disassembly only; pattern left blank */]>,
779 let Inst{31-28} = 0b1111;
780 let Inst{27-20} = 0b00010000;
785 // Preload signals the memory system of possible future data/instruction access.
786 // These are for disassembly only.
788 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
789 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
790 multiclass APreLoad<bit data, bit read, string opc> {
792 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
793 !strconcat(opc, "\t[$base, $imm]"), []> {
794 let Inst{31-26} = 0b111101;
795 let Inst{25} = 0; // 0 for immediate form
798 let Inst{21-20} = 0b01;
801 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
802 !strconcat(opc, "\t$addr"), []> {
803 let Inst{31-26} = 0b111101;
804 let Inst{25} = 1; // 1 for register form
807 let Inst{21-20} = 0b01;
812 defm PLD : APreLoad<1, 1, "pld">;
813 defm PLDW : APreLoad<1, 0, "pldw">;
814 defm PLI : APreLoad<0, 1, "pli">;
816 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
817 [/* For disassembly only; pattern left blank */]>,
819 let Inst{31-28} = 0b1111;
820 let Inst{27-20} = 0b00010000;
823 let Inst{7-4} = 0b0000;
826 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
827 [/* For disassembly only; pattern left blank */]>,
829 let Inst{31-28} = 0b1111;
830 let Inst{27-20} = 0b00010000;
833 let Inst{7-4} = 0b0000;
836 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
837 [/* For disassembly only; pattern left blank */]>,
838 Requires<[IsARM, HasV7]> {
839 let Inst{27-16} = 0b001100100000;
840 let Inst{7-4} = 0b1111;
843 // A5.4 Permanently UNDEFINED instructions.
844 let isBarrier = 1, isTerminator = 1 in
845 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
848 let Inst{27-25} = 0b011;
849 let Inst{24-20} = 0b11111;
850 let Inst{7-5} = 0b111;
854 // Address computation and loads and stores in PIC mode.
855 let isNotDuplicable = 1 in {
856 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
857 Pseudo, IIC_iALUr, "",
858 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
860 let AddedComplexity = 10 in {
861 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
862 Pseudo, IIC_iLoad_r, "",
863 [(set GPR:$dst, (load addrmodepc:$addr))]>;
865 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
866 Pseudo, IIC_iLoad_bh_r, "",
867 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
869 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
870 Pseudo, IIC_iLoad_bh_r, "",
871 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
873 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
874 Pseudo, IIC_iLoad_bh_r, "",
875 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
877 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
878 Pseudo, IIC_iLoad_bh_r, "",
879 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
881 let AddedComplexity = 10 in {
882 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
883 Pseudo, IIC_iStore_r, "",
884 [(store GPR:$src, addrmodepc:$addr)]>;
886 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
887 Pseudo, IIC_iStore_bh_r, "",
888 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
890 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
891 Pseudo, IIC_iStore_bh_r, "",
892 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
894 } // isNotDuplicable = 1
897 // LEApcrel - Load a pc-relative address into a register without offending the
899 let neverHasSideEffects = 1 in {
900 let isReMaterializable = 1 in
901 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
903 "adr$p\t$dst, #$label", []>;
905 } // neverHasSideEffects
906 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
907 (ins i32imm:$label, nohash_imm:$id, pred:$p),
909 "adr$p\t$dst, #${label}_${id}", []> {
913 //===----------------------------------------------------------------------===//
914 // Control Flow Instructions.
917 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
919 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
920 "bx", "\tlr", [(ARMretflag)]>,
921 Requires<[IsARM, HasV4T]> {
922 let Inst{3-0} = 0b1110;
923 let Inst{7-4} = 0b0001;
924 let Inst{19-8} = 0b111111111111;
925 let Inst{27-20} = 0b00010010;
929 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
930 "mov", "\tpc, lr", [(ARMretflag)]>,
931 Requires<[IsARM, NoV4T]> {
932 let Inst{11-0} = 0b000000001110;
933 let Inst{15-12} = 0b1111;
934 let Inst{19-16} = 0b0000;
935 let Inst{27-20} = 0b00011010;
940 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
942 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
944 Requires<[IsARM, HasV4T]> {
946 let Inst{7-4} = 0b0001;
947 let Inst{19-8} = 0b111111111111;
948 let Inst{27-20} = 0b00010010;
949 let Inst{31-28} = 0b1110;
954 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
956 Requires<[IsARM, NoV4T]> {
958 let Inst{11-4} = 0b00000000;
959 let Inst{15-12} = 0b1111;
960 let Inst{19-16} = 0b0000;
961 let Inst{27-20} = 0b00011010;
962 let Inst{31-28} = 0b1110;
967 // FIXME: remove when we have a way to marking a MI with these properties.
968 // FIXME: Should pc be an implicit operand like PICADD, etc?
969 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
970 hasExtraDefRegAllocReq = 1 in
971 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
972 reglist:$dsts, variable_ops),
973 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
974 "ldm${addr:submode}${p}\t$addr!, $dsts",
975 "$addr.addr = $wb", []>;
977 // On non-Darwin platforms R9 is callee-saved.
979 Defs = [R0, R1, R2, R3, R12, LR,
980 D0, D1, D2, D3, D4, D5, D6, D7,
981 D16, D17, D18, D19, D20, D21, D22, D23,
982 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
983 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
985 [(ARMcall tglobaladdr:$func)]>,
986 Requires<[IsARM, IsNotDarwin]> {
987 let Inst{31-28} = 0b1110;
990 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
991 IIC_Br, "bl", "\t$func",
992 [(ARMcall_pred tglobaladdr:$func)]>,
993 Requires<[IsARM, IsNotDarwin]>;
996 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
997 IIC_Br, "blx\t$func",
998 [(ARMcall GPR:$func)]>,
999 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1001 let Inst{7-4} = 0b0011;
1002 let Inst{19-8} = 0b111111111111;
1003 let Inst{27-20} = 0b00010010;
1004 let Inst{3-0} = func;
1008 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1009 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1010 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1011 [(ARMcall_nolink tGPR:$func)]>,
1012 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1013 let Inst{7-4} = 0b0001;
1014 let Inst{19-8} = 0b111111111111;
1015 let Inst{27-20} = 0b00010010;
1019 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1020 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1021 [(ARMcall_nolink tGPR:$func)]>,
1022 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1023 let Inst{11-4} = 0b00000000;
1024 let Inst{15-12} = 0b1111;
1025 let Inst{19-16} = 0b0000;
1026 let Inst{27-20} = 0b00011010;
1030 // On Darwin R9 is call-clobbered.
1032 Defs = [R0, R1, R2, R3, R9, R12, LR,
1033 D0, D1, D2, D3, D4, D5, D6, D7,
1034 D16, D17, D18, D19, D20, D21, D22, D23,
1035 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1036 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1037 IIC_Br, "bl\t$func",
1038 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1039 let Inst{31-28} = 0b1110;
1042 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1043 IIC_Br, "bl", "\t$func",
1044 [(ARMcall_pred tglobaladdr:$func)]>,
1045 Requires<[IsARM, IsDarwin]>;
1048 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1049 IIC_Br, "blx\t$func",
1050 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1051 let Inst{7-4} = 0b0011;
1052 let Inst{19-8} = 0b111111111111;
1053 let Inst{27-20} = 0b00010010;
1057 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1058 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1059 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1060 [(ARMcall_nolink tGPR:$func)]>,
1061 Requires<[IsARM, HasV4T, IsDarwin]> {
1062 let Inst{7-4} = 0b0001;
1063 let Inst{19-8} = 0b111111111111;
1064 let Inst{27-20} = 0b00010010;
1068 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1069 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1070 [(ARMcall_nolink tGPR:$func)]>,
1071 Requires<[IsARM, NoV4T, IsDarwin]> {
1072 let Inst{11-4} = 0b00000000;
1073 let Inst{15-12} = 0b1111;
1074 let Inst{19-16} = 0b0000;
1075 let Inst{27-20} = 0b00011010;
1081 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1083 let Defs = [R0, R1, R2, R3, R9, R12,
1084 D0, D1, D2, D3, D4, D5, D6, D7,
1085 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1086 D27, D28, D29, D30, D31, PC],
1088 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1090 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1092 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1094 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1096 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1097 IIC_Br, "b\t$dst @ TAILCALL",
1098 []>, Requires<[IsDarwin]>;
1100 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1101 IIC_Br, "b.w\t$dst @ TAILCALL",
1102 []>, Requires<[IsDarwin]>;
1104 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1105 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1106 []>, Requires<[IsDarwin]> {
1107 let Inst{7-4} = 0b0001;
1108 let Inst{19-8} = 0b111111111111;
1109 let Inst{27-20} = 0b00010010;
1110 let Inst{31-28} = 0b1110;
1114 // Non-Darwin versions (the difference is R9).
1115 let Defs = [R0, R1, R2, R3, R12,
1116 D0, D1, D2, D3, D4, D5, D6, D7,
1117 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1118 D27, D28, D29, D30, D31, PC],
1120 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1122 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1124 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1126 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1128 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1129 IIC_Br, "b\t$dst @ TAILCALL",
1130 []>, Requires<[IsARM, IsNotDarwin]>;
1132 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1133 IIC_Br, "b.w\t$dst @ TAILCALL",
1134 []>, Requires<[IsThumb, IsNotDarwin]>;
1136 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1137 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1138 []>, Requires<[IsNotDarwin]> {
1139 let Inst{7-4} = 0b0001;
1140 let Inst{19-8} = 0b111111111111;
1141 let Inst{27-20} = 0b00010010;
1142 let Inst{31-28} = 0b1110;
1147 let isBranch = 1, isTerminator = 1 in {
1148 // B is "predicable" since it can be xformed into a Bcc.
1149 let isBarrier = 1 in {
1150 let isPredicable = 1 in
1151 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1152 "b\t$target", [(br bb:$target)]>;
1154 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1155 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1156 IIC_Br, "mov\tpc, $target$jt",
1157 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1158 let Inst{11-4} = 0b00000000;
1159 let Inst{15-12} = 0b1111;
1160 let Inst{20} = 0; // S Bit
1161 let Inst{24-21} = 0b1101;
1162 let Inst{27-25} = 0b000;
1164 def BR_JTm : JTI<(outs),
1165 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1166 IIC_Br, "ldr\tpc, $target$jt",
1167 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1169 let Inst{15-12} = 0b1111;
1170 let Inst{20} = 1; // L bit
1171 let Inst{21} = 0; // W bit
1172 let Inst{22} = 0; // B bit
1173 let Inst{24} = 1; // P bit
1174 let Inst{27-25} = 0b011;
1176 def BR_JTadd : JTI<(outs),
1177 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1178 IIC_Br, "add\tpc, $target, $idx$jt",
1179 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1181 let Inst{15-12} = 0b1111;
1182 let Inst{20} = 0; // S bit
1183 let Inst{24-21} = 0b0100;
1184 let Inst{27-25} = 0b000;
1186 } // isNotDuplicable = 1, isIndirectBranch = 1
1189 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1190 // a two-value operand where a dag node expects two operands. :(
1191 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1192 IIC_Br, "b", "\t$target",
1193 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1196 // Branch and Exchange Jazelle -- for disassembly only
1197 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1198 [/* For disassembly only; pattern left blank */]> {
1199 let Inst{23-20} = 0b0010;
1200 //let Inst{19-8} = 0xfff;
1201 let Inst{7-4} = 0b0010;
1204 // Secure Monitor Call is a system instruction -- for disassembly only
1205 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1206 [/* For disassembly only; pattern left blank */]> {
1207 let Inst{23-20} = 0b0110;
1208 let Inst{7-4} = 0b0111;
1211 // Supervisor Call (Software Interrupt) -- for disassembly only
1213 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1214 [/* For disassembly only; pattern left blank */]>;
1217 // Store Return State is a system instruction -- for disassembly only
1218 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1219 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1220 [/* For disassembly only; pattern left blank */]> {
1221 let Inst{31-28} = 0b1111;
1222 let Inst{22-20} = 0b110; // W = 1
1225 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1226 NoItinerary, "srs${addr:submode}\tsp, $mode",
1227 [/* For disassembly only; pattern left blank */]> {
1228 let Inst{31-28} = 0b1111;
1229 let Inst{22-20} = 0b100; // W = 0
1232 // Return From Exception is a system instruction -- for disassembly only
1233 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1234 NoItinerary, "rfe${addr:submode}\t$base!",
1235 [/* For disassembly only; pattern left blank */]> {
1236 let Inst{31-28} = 0b1111;
1237 let Inst{22-20} = 0b011; // W = 1
1240 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1241 NoItinerary, "rfe${addr:submode}\t$base",
1242 [/* For disassembly only; pattern left blank */]> {
1243 let Inst{31-28} = 0b1111;
1244 let Inst{22-20} = 0b001; // W = 0
1247 //===----------------------------------------------------------------------===//
1248 // Load / store Instructions.
1252 let canFoldAsLoad = 1, isReMaterializable = 1 in
1253 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoad_r,
1254 "ldr", "\t$dst, $addr",
1255 [(set GPR:$dst, (load addrmode2:$addr))]>;
1257 // Special LDR for loads from non-pc-relative constpools.
1258 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1259 isReMaterializable = 1 in
1260 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoad_r,
1261 "ldr", "\t$dst, $addr", []>;
1263 // Loads with zero extension
1264 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1265 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1266 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1268 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1269 IIC_iLoad_bh_r, "ldrb", "\t$dst, $addr",
1270 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1272 // Loads with sign extension
1273 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1274 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1275 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1277 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1278 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1279 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1281 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1283 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1284 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1285 []>, Requires<[IsARM, HasV5TE]>;
1288 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1289 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1290 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1292 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1293 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1294 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1296 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1297 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1298 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1300 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1301 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1302 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1304 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1305 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1306 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1308 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1309 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1310 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1312 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1313 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1314 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1316 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1317 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1318 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1320 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1321 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1322 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1324 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1325 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1326 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1328 // For disassembly only
1329 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1330 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1331 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1332 Requires<[IsARM, HasV5TE]>;
1334 // For disassembly only
1335 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1336 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1337 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1338 Requires<[IsARM, HasV5TE]>;
1340 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1342 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1344 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1345 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1346 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1347 let Inst{21} = 1; // overwrite
1350 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1351 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1352 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1353 let Inst{21} = 1; // overwrite
1356 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1357 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1358 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1359 let Inst{21} = 1; // overwrite
1362 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1363 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1364 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1365 let Inst{21} = 1; // overwrite
1368 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1369 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1370 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1371 let Inst{21} = 1; // overwrite
1375 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStore_r,
1376 "str", "\t$src, $addr",
1377 [(store GPR:$src, addrmode2:$addr)]>;
1379 // Stores with truncate
1380 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1381 IIC_iStore_bh_r, "strh", "\t$src, $addr",
1382 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1384 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
1385 IIC_iStore_bh_r, "strb", "\t$src, $addr",
1386 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1389 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1390 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1391 StMiscFrm, IIC_iStore_d_r,
1392 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1395 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1396 (ins GPR:$src, GPR:$base, am2offset:$offset),
1397 StFrm, IIC_iStore_ru,
1398 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1400 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1402 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1403 (ins GPR:$src, GPR:$base,am2offset:$offset),
1404 StFrm, IIC_iStore_ru,
1405 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1407 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1409 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1410 (ins GPR:$src, GPR:$base,am3offset:$offset),
1411 StMiscFrm, IIC_iStore_ru,
1412 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1414 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1416 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1417 (ins GPR:$src, GPR:$base,am3offset:$offset),
1418 StMiscFrm, IIC_iStore_bh_ru,
1419 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1420 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1421 GPR:$base, am3offset:$offset))]>;
1423 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1424 (ins GPR:$src, GPR:$base,am2offset:$offset),
1425 StFrm, IIC_iStore_bh_ru,
1426 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1427 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1428 GPR:$base, am2offset:$offset))]>;
1430 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1431 (ins GPR:$src, GPR:$base,am2offset:$offset),
1432 StFrm, IIC_iStore_bh_ru,
1433 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1434 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1435 GPR:$base, am2offset:$offset))]>;
1437 // For disassembly only
1438 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1439 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1440 StMiscFrm, IIC_iStore_d_ru,
1441 "strd", "\t$src1, $src2, [$base, $offset]!",
1442 "$base = $base_wb", []>;
1444 // For disassembly only
1445 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1446 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1447 StMiscFrm, IIC_iStore_d_ru,
1448 "strd", "\t$src1, $src2, [$base], $offset",
1449 "$base = $base_wb", []>;
1451 // STRT, STRBT, and STRHT are for disassembly only.
1453 def STRT : AI2stwpo<(outs GPR:$base_wb),
1454 (ins GPR:$src, GPR:$base,am2offset:$offset),
1455 StFrm, IIC_iStore_ru,
1456 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1457 [/* For disassembly only; pattern left blank */]> {
1458 let Inst{21} = 1; // overwrite
1461 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1462 (ins GPR:$src, GPR:$base,am2offset:$offset),
1463 StFrm, IIC_iStore_bh_ru,
1464 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1465 [/* For disassembly only; pattern left blank */]> {
1466 let Inst{21} = 1; // overwrite
1469 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1470 (ins GPR:$src, GPR:$base,am3offset:$offset),
1471 StMiscFrm, IIC_iStore_bh_ru,
1472 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1473 [/* For disassembly only; pattern left blank */]> {
1474 let Inst{21} = 1; // overwrite
1477 //===----------------------------------------------------------------------===//
1478 // Load / store multiple Instructions.
1481 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1482 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1483 reglist:$dsts, variable_ops),
1484 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1485 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1487 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1488 reglist:$dsts, variable_ops),
1489 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1490 "ldm${addr:submode}${p}\t$addr!, $dsts",
1491 "$addr.addr = $wb", []>;
1492 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1494 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1495 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1496 reglist:$srcs, variable_ops),
1497 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1498 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1500 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1501 reglist:$srcs, variable_ops),
1502 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1503 "stm${addr:submode}${p}\t$addr!, $srcs",
1504 "$addr.addr = $wb", []>;
1505 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1507 //===----------------------------------------------------------------------===//
1508 // Move Instructions.
1511 let neverHasSideEffects = 1 in
1512 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1513 "mov", "\t$dst, $src", []>, UnaryDP {
1517 let Inst{11-4} = 0b00000000;
1519 let Inst{3-0} = src;
1520 let Inst{15-12} = dst;
1523 // A version for the smaller set of tail call registers.
1524 let neverHasSideEffects = 1 in
1525 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
1526 IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
1530 let Inst{11-4} = 0b00000000;
1532 let Inst{3-0} = src;
1533 let Inst{15-12} = dst;
1536 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1537 DPSoRegFrm, IIC_iMOVsr,
1538 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1542 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1543 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1544 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1548 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1549 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1551 "movw", "\t$dst, $src",
1552 [(set GPR:$dst, imm0_65535:$src)]>,
1553 Requires<[IsARM, HasV6T2]>, UnaryDP {
1558 let Constraints = "$src = $dst" in
1559 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1561 "movt", "\t$dst, $imm",
1563 (or (and GPR:$src, 0xffff),
1564 lo16AllZero:$imm))]>, UnaryDP,
1565 Requires<[IsARM, HasV6T2]> {
1570 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1571 Requires<[IsARM, HasV6T2]>;
1573 let Uses = [CPSR] in
1574 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1575 "mov", "\t$dst, $src, rrx",
1576 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1578 // These aren't really mov instructions, but we have to define them this way
1579 // due to flag operands.
1581 let Defs = [CPSR] in {
1582 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1583 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1584 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1585 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1586 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1587 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1590 //===----------------------------------------------------------------------===//
1591 // Extend Instructions.
1596 defm SXTB : AI_ext_rrot<0b01101010,
1597 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1598 defm SXTH : AI_ext_rrot<0b01101011,
1599 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1601 defm SXTAB : AI_exta_rrot<0b01101010,
1602 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1603 defm SXTAH : AI_exta_rrot<0b01101011,
1604 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1606 // For disassembly only
1607 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1609 // For disassembly only
1610 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1614 let AddedComplexity = 16 in {
1615 defm UXTB : AI_ext_rrot<0b01101110,
1616 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1617 defm UXTH : AI_ext_rrot<0b01101111,
1618 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1619 defm UXTB16 : AI_ext_rrot<0b01101100,
1620 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1622 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1623 // The transformation should probably be done as a combiner action
1624 // instead so we can include a check for masking back in the upper
1625 // eight bits of the source into the lower eight bits of the result.
1626 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1627 // (UXTB16r_rot GPR:$Src, 24)>;
1628 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1629 (UXTB16r_rot GPR:$Src, 8)>;
1631 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1632 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1633 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1634 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1637 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1638 // For disassembly only
1639 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1642 def SBFX : I<(outs GPR:$dst),
1643 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1644 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1645 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1646 Requires<[IsARM, HasV6T2]> {
1647 let Inst{27-21} = 0b0111101;
1648 let Inst{6-4} = 0b101;
1651 def UBFX : I<(outs GPR:$dst),
1652 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1653 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1654 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1655 Requires<[IsARM, HasV6T2]> {
1656 let Inst{27-21} = 0b0111111;
1657 let Inst{6-4} = 0b101;
1660 //===----------------------------------------------------------------------===//
1661 // Arithmetic Instructions.
1664 defm ADD : AsI1_bin_irs<0b0100, "add",
1665 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1666 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1667 defm SUB : AsI1_bin_irs<0b0010, "sub",
1668 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1669 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1671 // ADD and SUB with 's' bit set.
1672 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1673 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1674 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1675 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1676 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1677 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1679 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1680 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1681 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1682 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1683 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1684 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1685 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1686 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1688 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1689 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1690 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1694 // The reg/reg form is only defined for the disassembler; for codegen it is
1695 // equivalent to SUBrr.
1696 def RSBrr : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1697 IIC_iALUr, "rsb", "\t$dst, $a, $b",
1698 [/* For disassembly only; pattern left blank */]> {
1700 let Inst{11-4} = 0b00000000;
1703 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1704 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1705 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1709 // RSB with 's' bit set.
1710 let Defs = [CPSR] in {
1711 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1712 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1713 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1717 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1718 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1719 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1725 let Uses = [CPSR] in {
1726 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1727 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1728 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1732 // The reg/reg form is only defined for the disassembler; for codegen it is
1733 // equivalent to SUBrr.
1734 def RSCrr : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1735 DPFrm, IIC_iALUr, "rsc", "\t$dst, $a, $b",
1736 [/* For disassembly only; pattern left blank */]> {
1738 let Inst{11-4} = 0b00000000;
1740 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1741 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1742 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1748 // FIXME: Allow these to be predicated.
1749 let Defs = [CPSR], Uses = [CPSR] in {
1750 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1751 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1752 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1757 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1758 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1759 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1766 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1767 // The assume-no-carry-in form uses the negation of the input since add/sub
1768 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
1769 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
1771 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1772 (SUBri GPR:$src, so_imm_neg:$imm)>;
1773 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1774 (SUBSri GPR:$src, so_imm_neg:$imm)>;
1775 // The with-carry-in form matches bitwise not instead of the negation.
1776 // Effectively, the inverse interpretation of the carry flag already accounts
1777 // for part of the negation.
1778 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
1779 (SBCri GPR:$src, so_imm_not:$imm)>;
1781 // Note: These are implemented in C++ code, because they have to generate
1782 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1784 // (mul X, 2^n+1) -> (add (X << n), X)
1785 // (mul X, 2^n-1) -> (rsb X, (X << n))
1787 // ARM Arithmetic Instruction -- for disassembly only
1788 // GPR:$dst = GPR:$a op GPR:$b
1789 class AAI<bits<8> op27_20, bits<4> op7_4, string opc,
1790 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
1791 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1792 opc, "\t$dst, $a, $b", pattern> {
1793 let Inst{27-20} = op27_20;
1794 let Inst{7-4} = op7_4;
1797 // Saturating add/subtract -- for disassembly only
1799 def QADD : AAI<0b00010000, 0b0101, "qadd",
1800 [(set GPR:$dst, (int_arm_qadd GPR:$a, GPR:$b))]>;
1801 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1802 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1803 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1804 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1805 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1806 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1807 def QSUB : AAI<0b00010010, 0b0101, "qsub",
1808 [(set GPR:$dst, (int_arm_qsub GPR:$a, GPR:$b))]>;
1809 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1810 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1811 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1812 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1813 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1814 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1815 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1816 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1818 // Signed/Unsigned add/subtract -- for disassembly only
1820 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1821 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1822 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1823 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1824 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1825 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1826 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1827 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1828 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1829 def USAX : AAI<0b01100101, 0b0101, "usax">;
1830 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1831 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1833 // Signed/Unsigned halving add/subtract -- for disassembly only
1835 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1836 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1837 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1838 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1839 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1840 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1841 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1842 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1843 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1844 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1845 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1846 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1848 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1850 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1851 MulFrm /* for convenience */, NoItinerary, "usad8",
1852 "\t$dst, $a, $b", []>,
1853 Requires<[IsARM, HasV6]> {
1854 let Inst{27-20} = 0b01111000;
1855 let Inst{15-12} = 0b1111;
1856 let Inst{7-4} = 0b0001;
1858 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1859 MulFrm /* for convenience */, NoItinerary, "usada8",
1860 "\t$dst, $a, $b, $acc", []>,
1861 Requires<[IsARM, HasV6]> {
1862 let Inst{27-20} = 0b01111000;
1863 let Inst{7-4} = 0b0001;
1866 // Signed/Unsigned saturate -- for disassembly only
1868 def SSAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1869 SatFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a$sh",
1870 [/* For disassembly only; pattern left blank */]> {
1871 let Inst{27-21} = 0b0110101;
1872 let Inst{5-4} = 0b01;
1875 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1876 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1877 [/* For disassembly only; pattern left blank */]> {
1878 let Inst{27-20} = 0b01101010;
1879 let Inst{7-4} = 0b0011;
1882 def USAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1883 SatFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a$sh",
1884 [/* For disassembly only; pattern left blank */]> {
1885 let Inst{27-21} = 0b0110111;
1886 let Inst{5-4} = 0b01;
1889 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1890 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1891 [/* For disassembly only; pattern left blank */]> {
1892 let Inst{27-20} = 0b01101110;
1893 let Inst{7-4} = 0b0011;
1896 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
1897 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
1899 //===----------------------------------------------------------------------===//
1900 // Bitwise Instructions.
1903 defm AND : AsI1_bin_irs<0b0000, "and",
1904 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1905 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1906 defm ANDS : AI1_bin_s_irs<0b0000, "and",
1907 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1908 BinOpFrag<(ARMand node:$LHS, node:$RHS)>, 1>;
1909 defm ORR : AsI1_bin_irs<0b1100, "orr",
1910 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1911 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1912 defm EOR : AsI1_bin_irs<0b0001, "eor",
1913 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1914 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1915 defm BIC : AsI1_bin_irs<0b1110, "bic",
1916 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1917 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1919 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1920 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1921 "bfc", "\t$dst, $imm", "$src = $dst",
1922 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1923 Requires<[IsARM, HasV6T2]> {
1924 let Inst{27-21} = 0b0111110;
1925 let Inst{6-0} = 0b0011111;
1928 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1929 def BFI : I<(outs GPR:$dst), (ins GPR:$src, GPR:$val, bf_inv_mask_imm:$imm),
1930 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1931 "bfi", "\t$dst, $val, $imm", "$src = $dst",
1932 [(set GPR:$dst, (ARMbfi GPR:$src, GPR:$val,
1933 bf_inv_mask_imm:$imm))]>,
1934 Requires<[IsARM, HasV6T2]> {
1935 let Inst{27-21} = 0b0111110;
1936 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1939 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMVNr,
1940 "mvn", "\t$dst, $src",
1941 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1943 let Inst{11-4} = 0b00000000;
1945 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1946 IIC_iMVNsr, "mvn", "\t$dst, $src",
1947 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1950 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1951 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1952 IIC_iMVNi, "mvn", "\t$dst, $imm",
1953 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1957 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1958 (BICri GPR:$src, so_imm_not:$imm)>;
1960 //===----------------------------------------------------------------------===//
1961 // Multiply Instructions.
1964 let isCommutable = 1 in
1965 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1966 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1967 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1969 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1970 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1971 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1973 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1974 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1975 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1976 Requires<[IsARM, HasV6T2]>;
1978 // Extra precision multiplies with low / high results
1979 let neverHasSideEffects = 1 in {
1980 let isCommutable = 1 in {
1981 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1982 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1983 "smull", "\t$ldst, $hdst, $a, $b", []>;
1985 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1986 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1987 "umull", "\t$ldst, $hdst, $a, $b", []>;
1990 // Multiply + accumulate
1991 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1992 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1993 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1995 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1996 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1997 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1999 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
2000 (ins GPR:$a, GPR:$b), IIC_iMAC64,
2001 "umaal", "\t$ldst, $hdst, $a, $b", []>,
2002 Requires<[IsARM, HasV6]>;
2003 } // neverHasSideEffects
2005 // Most significant word multiply
2006 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2007 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
2008 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
2009 Requires<[IsARM, HasV6]> {
2010 let Inst{7-4} = 0b0001;
2011 let Inst{15-12} = 0b1111;
2014 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2015 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
2016 [/* For disassembly only; pattern left blank */]>,
2017 Requires<[IsARM, HasV6]> {
2018 let Inst{7-4} = 0b0011; // R = 1
2019 let Inst{15-12} = 0b1111;
2022 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2023 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
2024 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
2025 Requires<[IsARM, HasV6]> {
2026 let Inst{7-4} = 0b0001;
2029 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2030 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
2031 [/* For disassembly only; pattern left blank */]>,
2032 Requires<[IsARM, HasV6]> {
2033 let Inst{7-4} = 0b0011; // R = 1
2036 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2037 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
2038 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
2039 Requires<[IsARM, HasV6]> {
2040 let Inst{7-4} = 0b1101;
2043 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2044 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
2045 [/* For disassembly only; pattern left blank */]>,
2046 Requires<[IsARM, HasV6]> {
2047 let Inst{7-4} = 0b1111; // R = 1
2050 multiclass AI_smul<string opc, PatFrag opnode> {
2051 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2052 IIC_iMUL16, !strconcat(opc, "bb"), "\t$dst, $a, $b",
2053 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2054 (sext_inreg GPR:$b, i16)))]>,
2055 Requires<[IsARM, HasV5TE]> {
2060 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2061 IIC_iMUL16, !strconcat(opc, "bt"), "\t$dst, $a, $b",
2062 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2063 (sra GPR:$b, (i32 16))))]>,
2064 Requires<[IsARM, HasV5TE]> {
2069 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2070 IIC_iMUL16, !strconcat(opc, "tb"), "\t$dst, $a, $b",
2071 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2072 (sext_inreg GPR:$b, i16)))]>,
2073 Requires<[IsARM, HasV5TE]> {
2078 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2079 IIC_iMUL16, !strconcat(opc, "tt"), "\t$dst, $a, $b",
2080 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2081 (sra GPR:$b, (i32 16))))]>,
2082 Requires<[IsARM, HasV5TE]> {
2087 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2088 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2089 [(set GPR:$dst, (sra (opnode GPR:$a,
2090 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2091 Requires<[IsARM, HasV5TE]> {
2096 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2097 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2098 [(set GPR:$dst, (sra (opnode GPR:$a,
2099 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2100 Requires<[IsARM, HasV5TE]> {
2107 multiclass AI_smla<string opc, PatFrag opnode> {
2108 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2109 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2110 [(set GPR:$dst, (add GPR:$acc,
2111 (opnode (sext_inreg GPR:$a, i16),
2112 (sext_inreg GPR:$b, i16))))]>,
2113 Requires<[IsARM, HasV5TE]> {
2118 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2119 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2120 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2121 (sra GPR:$b, (i32 16)))))]>,
2122 Requires<[IsARM, HasV5TE]> {
2127 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2128 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2129 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2130 (sext_inreg GPR:$b, i16))))]>,
2131 Requires<[IsARM, HasV5TE]> {
2136 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2137 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2138 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2139 (sra GPR:$b, (i32 16)))))]>,
2140 Requires<[IsARM, HasV5TE]> {
2145 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2146 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2147 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2148 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2149 Requires<[IsARM, HasV5TE]> {
2154 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2155 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2156 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2157 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2158 Requires<[IsARM, HasV5TE]> {
2164 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2165 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2167 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2168 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2169 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2170 [/* For disassembly only; pattern left blank */]>,
2171 Requires<[IsARM, HasV5TE]> {
2176 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2177 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2178 [/* For disassembly only; pattern left blank */]>,
2179 Requires<[IsARM, HasV5TE]> {
2184 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2185 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2186 [/* For disassembly only; pattern left blank */]>,
2187 Requires<[IsARM, HasV5TE]> {
2192 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2193 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2194 [/* For disassembly only; pattern left blank */]>,
2195 Requires<[IsARM, HasV5TE]> {
2200 // Helper class for AI_smld -- for disassembly only
2201 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2202 InstrItinClass itin, string opc, string asm>
2203 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2208 let Inst{21-20} = 0b00;
2209 let Inst{22} = long;
2210 let Inst{27-23} = 0b01110;
2213 multiclass AI_smld<bit sub, string opc> {
2215 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2216 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2218 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2219 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2221 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2222 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2224 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2225 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2229 defm SMLA : AI_smld<0, "smla">;
2230 defm SMLS : AI_smld<1, "smls">;
2232 multiclass AI_sdml<bit sub, string opc> {
2234 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2235 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2236 let Inst{15-12} = 0b1111;
2239 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2240 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2241 let Inst{15-12} = 0b1111;
2246 defm SMUA : AI_sdml<0, "smua">;
2247 defm SMUS : AI_sdml<1, "smus">;
2249 //===----------------------------------------------------------------------===//
2250 // Misc. Arithmetic Instructions.
2253 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2254 "clz", "\t$dst, $src",
2255 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2256 let Inst{7-4} = 0b0001;
2257 let Inst{11-8} = 0b1111;
2258 let Inst{19-16} = 0b1111;
2261 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2262 "rbit", "\t$dst, $src",
2263 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2264 Requires<[IsARM, HasV6T2]> {
2265 let Inst{7-4} = 0b0011;
2266 let Inst{11-8} = 0b1111;
2267 let Inst{19-16} = 0b1111;
2270 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2271 "rev", "\t$dst, $src",
2272 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2273 let Inst{7-4} = 0b0011;
2274 let Inst{11-8} = 0b1111;
2275 let Inst{19-16} = 0b1111;
2278 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2279 "rev16", "\t$dst, $src",
2281 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2282 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2283 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2284 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2285 Requires<[IsARM, HasV6]> {
2286 let Inst{7-4} = 0b1011;
2287 let Inst{11-8} = 0b1111;
2288 let Inst{19-16} = 0b1111;
2291 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2292 "revsh", "\t$dst, $src",
2295 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2296 (shl GPR:$src, (i32 8))), i16))]>,
2297 Requires<[IsARM, HasV6]> {
2298 let Inst{7-4} = 0b1011;
2299 let Inst{11-8} = 0b1111;
2300 let Inst{19-16} = 0b1111;
2303 def lsl_shift_imm : SDNodeXForm<imm, [{
2304 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2305 return CurDAG->getTargetConstant(Sh, MVT::i32);
2308 def lsl_amt : PatLeaf<(i32 imm), [{
2309 return (N->getZExtValue() < 32);
2312 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2313 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2314 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2$sh",
2315 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2316 (and (shl GPR:$src2, lsl_amt:$sh),
2318 Requires<[IsARM, HasV6]> {
2319 let Inst{6-4} = 0b001;
2322 // Alternate cases for PKHBT where identities eliminate some nodes.
2323 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2324 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2325 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$sh)),
2326 (PKHBT GPR:$src1, GPR:$src2, (lsl_shift_imm imm16_31:$sh))>;
2328 def asr_shift_imm : SDNodeXForm<imm, [{
2329 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2330 return CurDAG->getTargetConstant(Sh, MVT::i32);
2333 def asr_amt : PatLeaf<(i32 imm), [{
2334 return (N->getZExtValue() <= 32);
2337 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2338 // will match the pattern below.
2339 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2340 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2341 IIC_iBITsi, "pkhtb", "\t$dst, $src1, $src2$sh",
2342 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2343 (and (sra GPR:$src2, asr_amt:$sh),
2345 Requires<[IsARM, HasV6]> {
2346 let Inst{6-4} = 0b101;
2349 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2350 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2351 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2352 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2353 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2354 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2355 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2357 //===----------------------------------------------------------------------===//
2358 // Comparison Instructions...
2361 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2362 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2363 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2365 // FIXME: We have to be careful when using the CMN instruction and comparison
2366 // with 0. One would expect these two pieces of code should give identical
2382 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2383 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2384 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2385 // value of r0 and the carry bit (because the "carry bit" parameter to
2386 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2387 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2388 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2389 // parameter to AddWithCarry is defined as 0).
2391 // When x is 0 and unsigned:
2395 // ~x + 1 = 0x1 0000 0000
2396 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2398 // Therefore, we should disable CMN when comparing against zero, until we can
2399 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2400 // when it's a comparison which doesn't look at the 'carry' flag).
2402 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2404 // This is related to <rdar://problem/7569620>.
2406 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2407 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2409 // Note that TST/TEQ don't set all the same flags that CMP does!
2410 defm TST : AI1_cmp_irs<0b1000, "tst",
2411 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2412 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2413 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2414 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2415 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2417 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2418 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2419 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2420 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2421 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2422 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2424 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2425 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2427 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2428 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2430 // Pseudo i64 compares for some floating point compares.
2431 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2433 def BCCi64 : PseudoInst<(outs),
2434 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2436 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2438 def BCCZi64 : PseudoInst<(outs),
2439 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2440 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2441 } // usesCustomInserter
2444 // Conditional moves
2445 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2446 // a two-value operand where a dag node expects two operands. :(
2447 // FIXME: These should all be pseudo-instructions that get expanded to
2448 // the normal MOV instructions. That would fix the dependency on
2449 // special casing them in tblgen.
2450 let neverHasSideEffects = 1 in {
2451 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2452 IIC_iCMOVr, "mov", "\t$dst, $true",
2453 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2454 RegConstraint<"$false = $dst">, UnaryDP {
2455 let Inst{11-4} = 0b00000000;
2459 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2460 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2461 "mov", "\t$dst, $true",
2462 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2463 RegConstraint<"$false = $dst">, UnaryDP {
2467 def MOVCCi16 : AI1<0b1000, (outs GPR:$dst), (ins GPR:$false, i32imm:$src),
2469 "movw", "\t$dst, $src",
2471 RegConstraint<"$false = $dst">, Requires<[IsARM, HasV6T2]>,
2477 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2478 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2479 "mov", "\t$dst, $true",
2480 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2481 RegConstraint<"$false = $dst">, UnaryDP {
2484 } // neverHasSideEffects
2486 //===----------------------------------------------------------------------===//
2487 // Atomic operations intrinsics
2490 // memory barriers protect the atomic sequences
2491 let hasSideEffects = 1 in {
2492 def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
2493 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2494 let Inst{31-4} = 0xf57ff05;
2495 // FIXME: add support for options other than a full system DMB
2496 // See DMB disassembly-only variants below.
2497 let Inst{3-0} = 0b1111;
2500 def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
2501 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2502 let Inst{31-4} = 0xf57ff04;
2503 // FIXME: add support for options other than a full system DSB
2504 // See DSB disassembly-only variants below.
2505 let Inst{3-0} = 0b1111;
2508 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2509 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2510 [(ARMMemBarrierMCR GPR:$zero)]>,
2511 Requires<[IsARM, HasV6]> {
2512 // FIXME: add support for options other than a full system DMB
2513 // FIXME: add encoding
2516 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2517 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2518 [(ARMSyncBarrierMCR GPR:$zero)]>,
2519 Requires<[IsARM, HasV6]> {
2520 // FIXME: add support for options other than a full system DSB
2521 // FIXME: add encoding
2525 // Memory Barrier Operations Variants -- for disassembly only
2527 def memb_opt : Operand<i32> {
2528 let PrintMethod = "printMemBOption";
2531 class AMBI<bits<4> op7_4, string opc>
2532 : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
2533 [/* For disassembly only; pattern left blank */]>,
2534 Requires<[IsARM, HasDB]> {
2535 let Inst{31-8} = 0xf57ff0;
2536 let Inst{7-4} = op7_4;
2539 // These DMB variants are for disassembly only.
2540 def DMBvar : AMBI<0b0101, "dmb">;
2542 // These DSB variants are for disassembly only.
2543 def DSBvar : AMBI<0b0100, "dsb">;
2545 // ISB has only full system option -- for disassembly only
2546 def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2547 Requires<[IsARM, HasDB]> {
2548 let Inst{31-4} = 0xf57ff06;
2549 let Inst{3-0} = 0b1111;
2552 let usesCustomInserter = 1 in {
2553 let Uses = [CPSR] in {
2554 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2555 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2556 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2557 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2558 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2559 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2560 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2561 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2562 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2563 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2564 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2565 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2566 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2567 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2568 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2569 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2570 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2571 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2572 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2573 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2574 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2575 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2576 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2577 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2578 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2579 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2580 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2581 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2582 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2583 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2584 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2585 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2586 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2587 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2588 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2589 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2590 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2591 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2592 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2593 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2594 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2595 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2596 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2597 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2598 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2599 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2600 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2601 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2602 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2603 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2604 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2605 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2606 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2607 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2609 def ATOMIC_SWAP_I8 : PseudoInst<
2610 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2611 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2612 def ATOMIC_SWAP_I16 : PseudoInst<
2613 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2614 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2615 def ATOMIC_SWAP_I32 : PseudoInst<
2616 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2617 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2619 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2620 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2621 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2622 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2623 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2624 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2625 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2626 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2627 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2631 let mayLoad = 1 in {
2632 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2633 "ldrexb", "\t$dest, [$ptr]",
2635 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2636 "ldrexh", "\t$dest, [$ptr]",
2638 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2639 "ldrex", "\t$dest, [$ptr]",
2641 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2643 "ldrexd", "\t$dest, $dest2, [$ptr]",
2647 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2648 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2650 "strexb", "\t$success, $src, [$ptr]",
2652 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2654 "strexh", "\t$success, $src, [$ptr]",
2656 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2658 "strex", "\t$success, $src, [$ptr]",
2660 def STREXD : AIstrex<0b01, (outs GPR:$success),
2661 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2663 "strexd", "\t$success, $src, $src2, [$ptr]",
2667 // Clear-Exclusive is for disassembly only.
2668 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2669 [/* For disassembly only; pattern left blank */]>,
2670 Requires<[IsARM, HasV7]> {
2671 let Inst{31-20} = 0xf57;
2672 let Inst{7-4} = 0b0001;
2675 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2676 let mayLoad = 1 in {
2677 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2678 "swp", "\t$dst, $src, [$ptr]",
2679 [/* For disassembly only; pattern left blank */]> {
2680 let Inst{27-23} = 0b00010;
2681 let Inst{22} = 0; // B = 0
2682 let Inst{21-20} = 0b00;
2683 let Inst{7-4} = 0b1001;
2686 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2687 "swpb", "\t$dst, $src, [$ptr]",
2688 [/* For disassembly only; pattern left blank */]> {
2689 let Inst{27-23} = 0b00010;
2690 let Inst{22} = 1; // B = 1
2691 let Inst{21-20} = 0b00;
2692 let Inst{7-4} = 0b1001;
2696 //===----------------------------------------------------------------------===//
2700 // __aeabi_read_tp preserves the registers r1-r3.
2702 Defs = [R0, R12, LR, CPSR] in {
2703 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2704 "bl\t__aeabi_read_tp",
2705 [(set R0, ARMthread_pointer)]>;
2708 //===----------------------------------------------------------------------===//
2709 // SJLJ Exception handling intrinsics
2710 // eh_sjlj_setjmp() is an instruction sequence to store the return
2711 // address and save #0 in R0 for the non-longjmp case.
2712 // Since by its nature we may be coming from some other function to get
2713 // here, and we're using the stack frame for the containing function to
2714 // save/restore registers, we can't keep anything live in regs across
2715 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2716 // when we get here from a longjmp(). We force everthing out of registers
2717 // except for our own input by listing the relevant registers in Defs. By
2718 // doing so, we also cause the prologue/epilogue code to actively preserve
2719 // all of the callee-saved resgisters, which is exactly what we want.
2720 // A constant value is passed in $val, and we use the location as a scratch.
2722 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2723 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2724 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2725 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2726 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2727 AddrModeNone, SizeSpecial, IndexModeNone,
2728 Pseudo, NoItinerary, "", "",
2729 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2730 Requires<[IsARM, HasVFP2]>;
2734 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2735 hasSideEffects = 1, isBarrier = 1 in {
2736 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2737 AddrModeNone, SizeSpecial, IndexModeNone,
2738 Pseudo, NoItinerary, "", "",
2739 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2740 Requires<[IsARM, NoVFP]>;
2743 // FIXME: Non-Darwin version(s)
2744 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2745 Defs = [ R7, LR, SP ] in {
2746 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2747 AddrModeNone, SizeSpecial, IndexModeNone,
2748 Pseudo, NoItinerary, "", "",
2749 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2750 Requires<[IsARM, IsDarwin]>;
2753 //===----------------------------------------------------------------------===//
2754 // Non-Instruction Patterns
2757 // Large immediate handling.
2759 // Two piece so_imms.
2760 // FIXME: Expand this in ARMExpandPseudoInsts.
2761 // FIXME: Remove this when we can do generalized remat.
2762 let isReMaterializable = 1 in
2763 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2764 Pseudo, IIC_iMOVix2,
2765 "mov", "\t$dst, $src",
2766 [(set GPR:$dst, so_imm2part:$src)]>,
2767 Requires<[IsARM, NoV6T2]>;
2769 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2770 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2771 (so_imm2part_2 imm:$RHS))>;
2772 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2773 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2774 (so_imm2part_2 imm:$RHS))>;
2775 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2776 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2777 (so_imm2part_2 imm:$RHS))>;
2778 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2779 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2780 (so_neg_imm2part_2 imm:$RHS))>;
2782 // 32-bit immediate using movw + movt.
2783 // This is a single pseudo instruction, the benefit is that it can be remat'd
2784 // as a single unit instead of having to handle reg inputs.
2785 // FIXME: Remove this when we can do generalized remat.
2786 let isReMaterializable = 1 in
2787 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
2788 [(set GPR:$dst, (i32 imm:$src))]>,
2789 Requires<[IsARM, HasV6T2]>;
2791 // ConstantPool, GlobalAddress, and JumpTable
2792 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2793 Requires<[IsARM, DontUseMovt]>;
2794 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2795 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2796 Requires<[IsARM, UseMovt]>;
2797 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2798 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2800 // TODO: add,sub,and, 3-instr forms?
2803 def : ARMPat<(ARMtcret tcGPR:$dst),
2804 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
2806 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2807 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2809 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2810 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2812 def : ARMPat<(ARMtcret tcGPR:$dst),
2813 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
2815 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2816 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2818 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2819 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2822 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2823 Requires<[IsARM, IsNotDarwin]>;
2824 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2825 Requires<[IsARM, IsDarwin]>;
2827 // zextload i1 -> zextload i8
2828 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2830 // extload -> zextload
2831 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2832 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2833 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2835 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2836 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2839 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2840 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2841 (SMULBB GPR:$a, GPR:$b)>;
2842 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2843 (SMULBB GPR:$a, GPR:$b)>;
2844 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2845 (sra GPR:$b, (i32 16))),
2846 (SMULBT GPR:$a, GPR:$b)>;
2847 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2848 (SMULBT GPR:$a, GPR:$b)>;
2849 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2850 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2851 (SMULTB GPR:$a, GPR:$b)>;
2852 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2853 (SMULTB GPR:$a, GPR:$b)>;
2854 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2856 (SMULWB GPR:$a, GPR:$b)>;
2857 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2858 (SMULWB GPR:$a, GPR:$b)>;
2860 def : ARMV5TEPat<(add GPR:$acc,
2861 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2862 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2863 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2864 def : ARMV5TEPat<(add GPR:$acc,
2865 (mul sext_16_node:$a, sext_16_node:$b)),
2866 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2867 def : ARMV5TEPat<(add GPR:$acc,
2868 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2869 (sra GPR:$b, (i32 16)))),
2870 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2871 def : ARMV5TEPat<(add GPR:$acc,
2872 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2873 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2874 def : ARMV5TEPat<(add GPR:$acc,
2875 (mul (sra GPR:$a, (i32 16)),
2876 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2877 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2878 def : ARMV5TEPat<(add GPR:$acc,
2879 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2880 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2881 def : ARMV5TEPat<(add GPR:$acc,
2882 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2884 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2885 def : ARMV5TEPat<(add GPR:$acc,
2886 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2887 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2889 //===----------------------------------------------------------------------===//
2893 include "ARMInstrThumb.td"
2895 //===----------------------------------------------------------------------===//
2899 include "ARMInstrThumb2.td"
2901 //===----------------------------------------------------------------------===//
2902 // Floating Point Support
2905 include "ARMInstrVFP.td"
2907 //===----------------------------------------------------------------------===//
2908 // Advanced SIMD (NEON) Support
2911 include "ARMInstrNEON.td"
2913 //===----------------------------------------------------------------------===//
2914 // Coprocessor Instructions. For disassembly only.
2917 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2918 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2919 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2920 [/* For disassembly only; pattern left blank */]> {
2924 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2925 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2926 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2927 [/* For disassembly only; pattern left blank */]> {
2928 let Inst{31-28} = 0b1111;
2932 class ACI<dag oops, dag iops, string opc, string asm>
2933 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2934 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2935 let Inst{27-25} = 0b110;
2938 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2940 def _OFFSET : ACI<(outs),
2941 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2942 opc, "\tp$cop, cr$CRd, $addr"> {
2943 let Inst{31-28} = op31_28;
2944 let Inst{24} = 1; // P = 1
2945 let Inst{21} = 0; // W = 0
2946 let Inst{22} = 0; // D = 0
2947 let Inst{20} = load;
2950 def _PRE : ACI<(outs),
2951 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2952 opc, "\tp$cop, cr$CRd, $addr!"> {
2953 let Inst{31-28} = op31_28;
2954 let Inst{24} = 1; // P = 1
2955 let Inst{21} = 1; // W = 1
2956 let Inst{22} = 0; // D = 0
2957 let Inst{20} = load;
2960 def _POST : ACI<(outs),
2961 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2962 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2963 let Inst{31-28} = op31_28;
2964 let Inst{24} = 0; // P = 0
2965 let Inst{21} = 1; // W = 1
2966 let Inst{22} = 0; // D = 0
2967 let Inst{20} = load;
2970 def _OPTION : ACI<(outs),
2971 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2972 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2973 let Inst{31-28} = op31_28;
2974 let Inst{24} = 0; // P = 0
2975 let Inst{23} = 1; // U = 1
2976 let Inst{21} = 0; // W = 0
2977 let Inst{22} = 0; // D = 0
2978 let Inst{20} = load;
2981 def L_OFFSET : ACI<(outs),
2982 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2983 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2984 let Inst{31-28} = op31_28;
2985 let Inst{24} = 1; // P = 1
2986 let Inst{21} = 0; // W = 0
2987 let Inst{22} = 1; // D = 1
2988 let Inst{20} = load;
2991 def L_PRE : ACI<(outs),
2992 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2993 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2994 let Inst{31-28} = op31_28;
2995 let Inst{24} = 1; // P = 1
2996 let Inst{21} = 1; // W = 1
2997 let Inst{22} = 1; // D = 1
2998 let Inst{20} = load;
3001 def L_POST : ACI<(outs),
3002 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3003 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3004 let Inst{31-28} = op31_28;
3005 let Inst{24} = 0; // P = 0
3006 let Inst{21} = 1; // W = 1
3007 let Inst{22} = 1; // D = 1
3008 let Inst{20} = load;
3011 def L_OPTION : ACI<(outs),
3012 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3013 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3014 let Inst{31-28} = op31_28;
3015 let Inst{24} = 0; // P = 0
3016 let Inst{23} = 1; // U = 1
3017 let Inst{21} = 0; // W = 0
3018 let Inst{22} = 1; // D = 1
3019 let Inst{20} = load;
3023 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3024 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3025 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3026 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3028 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3029 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3030 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3031 [/* For disassembly only; pattern left blank */]> {
3036 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3037 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3038 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3039 [/* For disassembly only; pattern left blank */]> {
3040 let Inst{31-28} = 0b1111;
3045 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3046 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3047 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3048 [/* For disassembly only; pattern left blank */]> {
3053 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3054 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3055 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3056 [/* For disassembly only; pattern left blank */]> {
3057 let Inst{31-28} = 0b1111;
3062 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3063 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3064 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3065 [/* For disassembly only; pattern left blank */]> {
3066 let Inst{23-20} = 0b0100;
3069 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3070 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3071 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3072 [/* For disassembly only; pattern left blank */]> {
3073 let Inst{31-28} = 0b1111;
3074 let Inst{23-20} = 0b0100;
3077 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3078 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3079 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3080 [/* For disassembly only; pattern left blank */]> {
3081 let Inst{23-20} = 0b0101;
3084 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3085 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3086 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3087 [/* For disassembly only; pattern left blank */]> {
3088 let Inst{31-28} = 0b1111;
3089 let Inst{23-20} = 0b0101;
3092 //===----------------------------------------------------------------------===//
3093 // Move between special register and ARM core register -- for disassembly only
3096 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3097 [/* For disassembly only; pattern left blank */]> {
3098 let Inst{23-20} = 0b0000;
3099 let Inst{7-4} = 0b0000;
3102 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3103 [/* For disassembly only; pattern left blank */]> {
3104 let Inst{23-20} = 0b0100;
3105 let Inst{7-4} = 0b0000;
3108 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3109 "msr", "\tcpsr$mask, $src",
3110 [/* For disassembly only; pattern left blank */]> {
3111 let Inst{23-20} = 0b0010;
3112 let Inst{7-4} = 0b0000;
3115 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3116 "msr", "\tcpsr$mask, $a",
3117 [/* For disassembly only; pattern left blank */]> {
3118 let Inst{23-20} = 0b0010;
3119 let Inst{7-4} = 0b0000;
3122 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3123 "msr", "\tspsr$mask, $src",
3124 [/* For disassembly only; pattern left blank */]> {
3125 let Inst{23-20} = 0b0110;
3126 let Inst{7-4} = 0b0000;
3129 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3130 "msr", "\tspsr$mask, $a",
3131 [/* For disassembly only; pattern left blank */]> {
3132 let Inst{23-20} = 0b0110;
3133 let Inst{7-4} = 0b0000;