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_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 0, []>;
64 def SDT_ARMSYNCBARRIER : SDTypeProfile<0, 0, []>;
65 def SDT_ARMMEMBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
66 def SDT_ARMSYNCBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
68 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
70 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
71 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
74 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
75 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
77 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
78 [SDNPHasChain, SDNPOutFlag]>;
79 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
82 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
85 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
86 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
88 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
89 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
92 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
93 [SDNPHasChain, SDNPOptInFlag]>;
95 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
97 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
100 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
101 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
103 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
105 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
108 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
111 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
114 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
115 [SDNPOutFlag, SDNPCommutative]>;
117 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
119 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
120 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
121 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
123 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
124 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
125 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
126 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
127 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
128 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
129 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
132 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
134 def ARMSyncBarrier : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIER,
136 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERMCR,
138 def ARMSyncBarrierMCR : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERMCR,
141 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
143 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
144 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
147 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
149 //===----------------------------------------------------------------------===//
150 // ARM Instruction Predicate Definitions.
152 def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
153 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
154 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
155 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
156 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
157 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
158 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
159 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
160 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
161 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
162 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
163 def HasNEON : Predicate<"Subtarget->hasNEON()">;
164 def HasDivide : Predicate<"Subtarget->hasDivide()">;
165 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
166 def HasDB : Predicate<"Subtarget->hasDataBarrier()">;
167 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
168 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
169 def IsThumb : Predicate<"Subtarget->isThumb()">;
170 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
171 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
172 def IsARM : Predicate<"!Subtarget->isThumb()">;
173 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
174 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
176 // FIXME: Eventually this will be just "hasV6T2Ops".
177 def UseMovt : Predicate<"Subtarget->useMovt()">;
178 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
179 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
181 //===----------------------------------------------------------------------===//
182 // ARM Flag Definitions.
184 class RegConstraint<string C> {
185 string Constraints = C;
188 //===----------------------------------------------------------------------===//
189 // ARM specific transformation functions and pattern fragments.
192 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
193 // so_imm_neg def below.
194 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
195 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
198 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
199 // so_imm_not def below.
200 def so_imm_not_XFORM : SDNodeXForm<imm, [{
201 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
204 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
205 def imm1_15 : PatLeaf<(i32 imm), [{
206 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
209 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
210 def imm16_31 : PatLeaf<(i32 imm), [{
211 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
216 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
217 }], so_imm_neg_XFORM>;
221 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
222 }], so_imm_not_XFORM>;
224 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
225 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
226 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
229 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
231 def bf_inv_mask_imm : Operand<i32>,
233 return ARM::isBitFieldInvertedMask(N->getZExtValue());
235 string EncoderMethod = "getBitfieldInvertedMaskOpValue";
236 let PrintMethod = "printBitfieldInvMaskImmOperand";
239 /// Split a 32-bit immediate into two 16 bit parts.
240 def hi16 : SDNodeXForm<imm, [{
241 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
244 def lo16AllZero : PatLeaf<(i32 imm), [{
245 // Returns true if all low 16-bits are 0.
246 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
249 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
251 def imm0_65535 : PatLeaf<(i32 imm), [{
252 return (uint32_t)N->getZExtValue() < 65536;
255 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
256 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
258 /// adde and sube predicates - True based on whether the carry flag output
259 /// will be needed or not.
260 def adde_dead_carry :
261 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
262 [{return !N->hasAnyUseOfValue(1);}]>;
263 def sube_dead_carry :
264 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
265 [{return !N->hasAnyUseOfValue(1);}]>;
266 def adde_live_carry :
267 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
268 [{return N->hasAnyUseOfValue(1);}]>;
269 def sube_live_carry :
270 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
271 [{return N->hasAnyUseOfValue(1);}]>;
273 //===----------------------------------------------------------------------===//
274 // Operand Definitions.
278 def brtarget : Operand<OtherVT>;
280 // A list of registers separated by comma. Used by load/store multiple.
281 def reglist : Operand<i32> {
282 let PrintMethod = "printRegisterList";
285 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
286 def cpinst_operand : Operand<i32> {
287 let PrintMethod = "printCPInstOperand";
290 def jtblock_operand : Operand<i32> {
291 let PrintMethod = "printJTBlockOperand";
293 def jt2block_operand : Operand<i32> {
294 let PrintMethod = "printJT2BlockOperand";
298 def pclabel : Operand<i32> {
299 let PrintMethod = "printPCLabel";
302 def neon_vcvt_imm32 : Operand<i32> {
303 string EncoderMethod = "getNEONVcvtImm32";
306 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
307 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
308 int32_t v = (int32_t)N->getZExtValue();
309 return v == 8 || v == 16 || v == 24; }]> {
310 string EncoderMethod = "getRotImmOpValue";
313 // shift_imm: An integer that encodes a shift amount and the type of shift
314 // (currently either asr or lsl) using the same encoding used for the
315 // immediates in so_reg operands.
316 def shift_imm : Operand<i32> {
317 let PrintMethod = "printShiftImmOperand";
320 // shifter_operand operands: so_reg and so_imm.
321 def so_reg : Operand<i32>, // reg reg imm
322 ComplexPattern<i32, 3, "SelectShifterOperandReg",
323 [shl,srl,sra,rotr]> {
324 string EncoderMethod = "getSORegOpValue";
325 let PrintMethod = "printSORegOperand";
326 let MIOperandInfo = (ops GPR, GPR, i32imm);
329 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
330 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
331 // represented in the imm field in the same 12-bit form that they are encoded
332 // into so_imm instructions: the 8-bit immediate is the least significant bits
333 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
334 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
335 string EncoderMethod = "getSOImmOpValue";
336 let PrintMethod = "printSOImmOperand";
339 // Break so_imm's up into two pieces. This handles immediates with up to 16
340 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
341 // get the first/second pieces.
342 def so_imm2part : Operand<i32>,
344 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
346 let PrintMethod = "printSOImm2PartOperand";
349 def so_imm2part_1 : SDNodeXForm<imm, [{
350 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
351 return CurDAG->getTargetConstant(V, MVT::i32);
354 def so_imm2part_2 : SDNodeXForm<imm, [{
355 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
356 return CurDAG->getTargetConstant(V, MVT::i32);
359 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
360 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
362 let PrintMethod = "printSOImm2PartOperand";
365 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
366 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
367 return CurDAG->getTargetConstant(V, MVT::i32);
370 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
371 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
372 return CurDAG->getTargetConstant(V, MVT::i32);
375 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
376 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
377 return (int32_t)N->getZExtValue() < 32;
380 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
381 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
382 return (int32_t)N->getZExtValue() < 32;
384 string EncoderMethod = "getImmMinusOneOpValue";
387 // Define ARM specific addressing modes.
390 // addrmode_imm12 := reg +/- imm12
392 def addrmode_imm12 : Operand<i32>,
393 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
395 string EncoderMethod = "getAddrModeImm12OpValue";
396 let PrintMethod = "printAddrModeImm12Operand";
397 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
399 // ldst_so_reg := reg +/- reg shop imm
401 def ldst_so_reg : Operand<i32>,
402 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
403 // FIXME: Simplify the printer
404 // FIXME: Add EncoderMethod for this addressing mode
405 let PrintMethod = "printAddrMode2Operand";
406 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
409 // addrmode2 := reg +/- imm12
410 // := reg +/- reg shop imm
412 def addrmode2 : Operand<i32>,
413 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
414 let PrintMethod = "printAddrMode2Operand";
415 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
418 def am2offset : Operand<i32>,
419 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
420 [], [SDNPWantRoot]> {
421 let PrintMethod = "printAddrMode2OffsetOperand";
422 let MIOperandInfo = (ops GPR, i32imm);
425 // addrmode3 := reg +/- reg
426 // addrmode3 := reg +/- imm8
428 def addrmode3 : Operand<i32>,
429 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
430 let PrintMethod = "printAddrMode3Operand";
431 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
434 def am3offset : Operand<i32>,
435 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
436 [], [SDNPWantRoot]> {
437 let PrintMethod = "printAddrMode3OffsetOperand";
438 let MIOperandInfo = (ops GPR, i32imm);
441 // addrmode4 := reg, <mode|W>
443 def addrmode4 : Operand<i32>,
444 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
445 let PrintMethod = "printAddrMode4Operand";
446 let MIOperandInfo = (ops GPR:$addr, i32imm);
449 // addrmode5 := reg +/- imm8*4
451 def addrmode5 : Operand<i32>,
452 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
453 let PrintMethod = "printAddrMode5Operand";
454 let MIOperandInfo = (ops GPR:$base, i32imm);
457 // addrmode6 := reg with optional writeback
459 def addrmode6 : Operand<i32>,
460 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
461 let PrintMethod = "printAddrMode6Operand";
462 let MIOperandInfo = (ops GPR:$addr, i32imm);
465 def am6offset : Operand<i32> {
466 let PrintMethod = "printAddrMode6OffsetOperand";
467 let MIOperandInfo = (ops GPR);
470 // addrmodepc := pc + reg
472 def addrmodepc : Operand<i32>,
473 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
474 let PrintMethod = "printAddrModePCOperand";
475 let MIOperandInfo = (ops GPR, i32imm);
478 def nohash_imm : Operand<i32> {
479 let PrintMethod = "printNoHashImmediate";
482 //===----------------------------------------------------------------------===//
484 include "ARMInstrFormats.td"
486 //===----------------------------------------------------------------------===//
487 // Multiclass helpers...
490 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
491 /// binop that produces a value.
492 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
493 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
494 PatFrag opnode, bit Commutable = 0> {
495 // The register-immediate version is re-materializable. This is useful
496 // in particular for taking the address of a local.
497 let isReMaterializable = 1 in {
498 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
499 iii, opc, "\t$Rd, $Rn, $imm",
500 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
505 let Inst{15-12} = Rd;
506 let Inst{19-16} = Rn;
507 let Inst{11-0} = imm;
510 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
511 iir, opc, "\t$Rd, $Rn, $Rm",
512 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
516 let Inst{11-4} = 0b00000000;
518 let isCommutable = Commutable;
520 let Inst{15-12} = Rd;
521 let Inst{19-16} = Rn;
523 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
524 iis, opc, "\t$Rd, $Rn, $shift",
525 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
530 let Inst{11-0} = shift;
531 let Inst{15-12} = Rd;
532 let Inst{19-16} = Rn;
536 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
537 /// instruction modifies the CPSR register.
538 let Defs = [CPSR] in {
539 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
540 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
541 PatFrag opnode, bit Commutable = 0> {
542 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
543 iii, opc, "\t$Rd, $Rn, $imm",
544 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
549 let Inst{15-12} = Rd;
550 let Inst{19-16} = Rn;
551 let Inst{11-0} = imm;
554 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
555 iir, opc, "\t$Rd, $Rn, $Rm",
556 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
560 let Inst{11-4} = 0b00000000;
562 let isCommutable = Commutable;
564 let Inst{15-12} = Rd;
565 let Inst{19-16} = Rn;
568 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
569 iis, opc, "\t$Rd, $Rn, $shift",
570 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
575 let Inst{11-0} = shift;
576 let Inst{15-12} = Rd;
577 let Inst{19-16} = Rn;
583 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
584 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
585 /// a explicit result, only implicitly set CPSR.
586 let isCompare = 1, Defs = [CPSR] in {
587 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
588 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
589 PatFrag opnode, bit Commutable = 0> {
590 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
592 [(opnode GPR:$Rn, so_imm:$imm)]> {
596 let Inst{15-12} = 0b0000;
597 let Inst{19-16} = Rn;
598 let Inst{11-0} = imm;
602 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
604 [(opnode GPR:$Rn, GPR:$Rm)]> {
607 let Inst{11-4} = 0b00000000;
609 let isCommutable = Commutable;
611 let Inst{15-12} = 0b0000;
612 let Inst{19-16} = Rn;
615 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
616 opc, "\t$Rn, $shift",
617 [(opnode GPR:$Rn, so_reg:$shift)]> {
621 let Inst{11-0} = shift;
622 let Inst{15-12} = 0b0000;
623 let Inst{19-16} = Rn;
629 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
630 /// register and one whose operand is a register rotated by 8/16/24.
631 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
632 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
633 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
634 IIC_iEXTr, opc, "\t$Rd, $Rm",
635 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
636 Requires<[IsARM, HasV6]> {
639 let Inst{15-12} = Rd;
641 let Inst{11-10} = 0b00;
642 let Inst{19-16} = 0b1111;
644 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
645 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
646 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
647 Requires<[IsARM, HasV6]> {
651 let Inst{15-12} = Rd;
652 let Inst{11-10} = rot;
654 let Inst{19-16} = 0b1111;
658 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
659 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
660 IIC_iEXTr, opc, "\t$Rd, $Rm",
661 [/* For disassembly only; pattern left blank */]>,
662 Requires<[IsARM, HasV6]> {
663 let Inst{11-10} = 0b00;
664 let Inst{19-16} = 0b1111;
666 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
667 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
668 [/* For disassembly only; pattern left blank */]>,
669 Requires<[IsARM, HasV6]> {
671 let Inst{11-10} = rot;
672 let Inst{19-16} = 0b1111;
676 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
677 /// register and one whose operand is a register rotated by 8/16/24.
678 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
679 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
680 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
681 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
682 Requires<[IsARM, HasV6]> {
683 let Inst{11-10} = 0b00;
685 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
687 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
688 [(set GPR:$Rd, (opnode GPR:$Rn,
689 (rotr GPR:$Rm, rot_imm:$rot)))]>,
690 Requires<[IsARM, HasV6]> {
693 let Inst{19-16} = Rn;
694 let Inst{11-10} = rot;
698 // For disassembly only.
699 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
700 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
701 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
702 [/* For disassembly only; pattern left blank */]>,
703 Requires<[IsARM, HasV6]> {
704 let Inst{11-10} = 0b00;
706 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
708 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
709 [/* For disassembly only; pattern left blank */]>,
710 Requires<[IsARM, HasV6]> {
713 let Inst{19-16} = Rn;
714 let Inst{11-10} = rot;
718 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
719 let Uses = [CPSR] in {
720 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
721 bit Commutable = 0> {
722 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
723 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
724 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
730 let Inst{15-12} = Rd;
731 let Inst{19-16} = Rn;
732 let Inst{11-0} = imm;
734 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
735 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
736 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
741 let Inst{11-4} = 0b00000000;
743 let isCommutable = Commutable;
745 let Inst{15-12} = Rd;
746 let Inst{19-16} = Rn;
748 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
749 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
750 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
756 let Inst{11-0} = shift;
757 let Inst{15-12} = Rd;
758 let Inst{19-16} = Rn;
761 // Carry setting variants
762 let Defs = [CPSR] in {
763 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
764 bit Commutable = 0> {
765 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
766 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
767 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
772 let Inst{15-12} = Rd;
773 let Inst{19-16} = Rn;
774 let Inst{11-0} = imm;
778 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
779 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
780 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
785 let Inst{11-4} = 0b00000000;
786 let isCommutable = Commutable;
788 let Inst{15-12} = Rd;
789 let Inst{19-16} = Rn;
793 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
794 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
795 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
800 let Inst{11-0} = shift;
801 let Inst{15-12} = Rd;
802 let Inst{19-16} = Rn;
810 let canFoldAsLoad = 1, isReMaterializable = 1 in {
811 multiclass AI_ldr1<bit opc22, string opc, InstrItinClass iii,
812 InstrItinClass iir, PatFrag opnode> {
813 // Note: We use the complex addrmode_imm12 rather than just an input
814 // GPR and a constrained immediate so that we can use this to match
815 // frame index references and avoid matching constant pool references.
816 def i12 : AIldr1<0b010, opc22, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
817 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
818 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
821 let Inst{23} = addr{12}; // U (add = ('U' == 1))
822 let Inst{19-16} = addr{16-13}; // Rn
823 let Inst{15-12} = Rt;
824 let Inst{11-0} = addr{11-0}; // imm12
826 def rs : AIldr1<0b011, opc22, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
827 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
828 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
831 let Inst{23} = shift{12}; // U (add = ('U' == 1))
832 let Inst{19-16} = shift{16-13}; // Rn
833 let Inst{11-0} = shift{11-0};
838 //===----------------------------------------------------------------------===//
840 //===----------------------------------------------------------------------===//
842 //===----------------------------------------------------------------------===//
843 // Miscellaneous Instructions.
846 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
847 /// the function. The first operand is the ID# for this instruction, the second
848 /// is the index into the MachineConstantPool that this is, the third is the
849 /// size in bytes of this constant pool entry.
850 let neverHasSideEffects = 1, isNotDuplicable = 1 in
851 def CONSTPOOL_ENTRY :
852 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
853 i32imm:$size), NoItinerary, "", []>;
855 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
856 // from removing one half of the matched pairs. That breaks PEI, which assumes
857 // these will always be in pairs, and asserts if it finds otherwise. Better way?
858 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
860 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
861 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
863 def ADJCALLSTACKDOWN :
864 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
865 [(ARMcallseq_start timm:$amt)]>;
868 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
869 [/* For disassembly only; pattern left blank */]>,
870 Requires<[IsARM, HasV6T2]> {
871 let Inst{27-16} = 0b001100100000;
872 let Inst{15-8} = 0b11110000;
873 let Inst{7-0} = 0b00000000;
876 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
877 [/* For disassembly only; pattern left blank */]>,
878 Requires<[IsARM, HasV6T2]> {
879 let Inst{27-16} = 0b001100100000;
880 let Inst{15-8} = 0b11110000;
881 let Inst{7-0} = 0b00000001;
884 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
885 [/* For disassembly only; pattern left blank */]>,
886 Requires<[IsARM, HasV6T2]> {
887 let Inst{27-16} = 0b001100100000;
888 let Inst{15-8} = 0b11110000;
889 let Inst{7-0} = 0b00000010;
892 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
893 [/* For disassembly only; pattern left blank */]>,
894 Requires<[IsARM, HasV6T2]> {
895 let Inst{27-16} = 0b001100100000;
896 let Inst{15-8} = 0b11110000;
897 let Inst{7-0} = 0b00000011;
900 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
902 [/* For disassembly only; pattern left blank */]>,
903 Requires<[IsARM, HasV6]> {
908 let Inst{15-12} = Rd;
909 let Inst{19-16} = Rn;
910 let Inst{27-20} = 0b01101000;
911 let Inst{7-4} = 0b1011;
912 let Inst{11-8} = 0b1111;
915 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
916 [/* For disassembly only; pattern left blank */]>,
917 Requires<[IsARM, HasV6T2]> {
918 let Inst{27-16} = 0b001100100000;
919 let Inst{15-8} = 0b11110000;
920 let Inst{7-0} = 0b00000100;
923 // The i32imm operand $val can be used by a debugger to store more information
924 // about the breakpoint.
925 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
926 [/* For disassembly only; pattern left blank */]>,
929 let Inst{3-0} = val{3-0};
930 let Inst{19-8} = val{15-4};
931 let Inst{27-20} = 0b00010010;
932 let Inst{7-4} = 0b0111;
935 // Change Processor State is a system instruction -- for disassembly only.
936 // The singleton $opt operand contains the following information:
937 // opt{4-0} = mode from Inst{4-0}
938 // opt{5} = changemode from Inst{17}
939 // opt{8-6} = AIF from Inst{8-6}
940 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
941 // FIXME: Integrated assembler will need these split out.
942 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
943 [/* For disassembly only; pattern left blank */]>,
945 let Inst{31-28} = 0b1111;
946 let Inst{27-20} = 0b00010000;
951 // Preload signals the memory system of possible future data/instruction access.
952 // These are for disassembly only.
954 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
955 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
956 multiclass APreLoad<bit data, bit read, string opc> {
958 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
959 !strconcat(opc, "\t[$base, $imm]"), []> {
960 let Inst{31-26} = 0b111101;
961 let Inst{25} = 0; // 0 for immediate form
964 let Inst{21-20} = 0b01;
967 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
968 !strconcat(opc, "\t$addr"), []> {
969 let Inst{31-26} = 0b111101;
970 let Inst{25} = 1; // 1 for register form
973 let Inst{21-20} = 0b01;
978 defm PLD : APreLoad<1, 1, "pld">;
979 defm PLDW : APreLoad<1, 0, "pldw">;
980 defm PLI : APreLoad<0, 1, "pli">;
982 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
984 [/* For disassembly only; pattern left blank */]>,
987 let Inst{31-10} = 0b1111000100000001000000;
992 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
993 [/* For disassembly only; pattern left blank */]>,
994 Requires<[IsARM, HasV7]> {
996 let Inst{27-4} = 0b001100100000111100001111;
1000 // A5.4 Permanently UNDEFINED instructions.
1001 let isBarrier = 1, isTerminator = 1 in
1002 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1005 let Inst{27-25} = 0b011;
1006 let Inst{24-20} = 0b11111;
1007 let Inst{7-5} = 0b111;
1011 // Address computation and loads and stores in PIC mode.
1012 // FIXME: These PIC insn patterns are pseudos, but derive from the normal insn
1013 // classes (AXI1, et.al.) and so have encoding information and such,
1014 // which is suboptimal. Once the rest of the code emitter (including
1015 // JIT) is MC-ized we should look at refactoring these into true
1017 let isNotDuplicable = 1 in {
1018 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1019 Pseudo, IIC_iALUr, "",
1020 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1022 let AddedComplexity = 10 in {
1023 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1024 Pseudo, IIC_iLoad_r, "",
1025 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1027 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1028 Pseudo, IIC_iLoad_bh_r, "",
1029 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
1031 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1032 Pseudo, IIC_iLoad_bh_r, "",
1033 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
1035 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1036 Pseudo, IIC_iLoad_bh_r, "",
1037 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
1039 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1040 Pseudo, IIC_iLoad_bh_r, "",
1041 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
1043 let AddedComplexity = 10 in {
1044 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1045 Pseudo, IIC_iStore_r, "",
1046 [(store GPR:$src, addrmodepc:$addr)]>;
1048 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1049 Pseudo, IIC_iStore_bh_r, "",
1050 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1052 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1053 Pseudo, IIC_iStore_bh_r, "",
1054 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1056 } // isNotDuplicable = 1
1059 // LEApcrel - Load a pc-relative address into a register without offending the
1061 // FIXME: These are marked as pseudos, but they're really not(?). They're just
1062 // the ADR instruction. Is this the right way to handle that? They need
1063 // encoding information regardless.
1064 let neverHasSideEffects = 1 in {
1065 let isReMaterializable = 1 in
1066 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
1068 "adr$p\t$dst, #$label", []>;
1070 } // neverHasSideEffects
1071 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
1072 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1074 "adr$p\t$dst, #${label}_${id}", []> {
1078 //===----------------------------------------------------------------------===//
1079 // Control Flow Instructions.
1082 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1084 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1085 "bx", "\tlr", [(ARMretflag)]>,
1086 Requires<[IsARM, HasV4T]> {
1087 let Inst{27-0} = 0b0001001011111111111100011110;
1091 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1092 "mov", "\tpc, lr", [(ARMretflag)]>,
1093 Requires<[IsARM, NoV4T]> {
1094 let Inst{27-0} = 0b0001101000001111000000001110;
1098 // Indirect branches
1099 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1101 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1102 [(brind GPR:$dst)]>,
1103 Requires<[IsARM, HasV4T]> {
1105 let Inst{31-4} = 0b1110000100101111111111110001;
1106 let Inst{3-0} = dst;
1110 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1111 [(brind GPR:$dst)]>,
1112 Requires<[IsARM, NoV4T]> {
1114 let Inst{31-4} = 0b1110000110100000111100000000;
1115 let Inst{3-0} = dst;
1119 // FIXME: remove when we have a way to marking a MI with these properties.
1120 // FIXME: Should pc be an implicit operand like PICADD, etc?
1121 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1122 hasExtraDefRegAllocReq = 1 in
1123 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1124 reglist:$dsts, variable_ops),
1125 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1126 "ldm${addr:submode}${p}\t$addr!, $dsts",
1127 "$addr.addr = $wb", []>;
1129 // On non-Darwin platforms R9 is callee-saved.
1131 Defs = [R0, R1, R2, R3, R12, LR,
1132 D0, D1, D2, D3, D4, D5, D6, D7,
1133 D16, D17, D18, D19, D20, D21, D22, D23,
1134 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1135 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1136 IIC_Br, "bl\t$func",
1137 [(ARMcall tglobaladdr:$func)]>,
1138 Requires<[IsARM, IsNotDarwin]> {
1139 let Inst{31-28} = 0b1110;
1140 // FIXME: Encoding info for $func. Needs fixups bits.
1143 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1144 IIC_Br, "bl", "\t$func",
1145 [(ARMcall_pred tglobaladdr:$func)]>,
1146 Requires<[IsARM, IsNotDarwin]>;
1149 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1150 IIC_Br, "blx\t$func",
1151 [(ARMcall GPR:$func)]>,
1152 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1154 let Inst{27-4} = 0b000100101111111111110011;
1155 let Inst{3-0} = func;
1159 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1160 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1161 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1162 [(ARMcall_nolink tGPR:$func)]>,
1163 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1165 let Inst{27-4} = 0b000100101111111111110001;
1166 let Inst{3-0} = func;
1170 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1171 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1172 [(ARMcall_nolink tGPR:$func)]>,
1173 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1175 let Inst{27-4} = 0b000110100000111100000000;
1176 let Inst{3-0} = func;
1180 // On Darwin R9 is call-clobbered.
1182 Defs = [R0, R1, R2, R3, R9, R12, LR,
1183 D0, D1, D2, D3, D4, D5, D6, D7,
1184 D16, D17, D18, D19, D20, D21, D22, D23,
1185 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1186 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1187 IIC_Br, "bl\t$func",
1188 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1189 let Inst{31-28} = 0b1110;
1190 // FIXME: Encoding info for $func. Needs fixups bits.
1193 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1194 IIC_Br, "bl", "\t$func",
1195 [(ARMcall_pred tglobaladdr:$func)]>,
1196 Requires<[IsARM, IsDarwin]>;
1199 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1200 IIC_Br, "blx\t$func",
1201 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1203 let Inst{27-4} = 0b000100101111111111110011;
1204 let Inst{3-0} = func;
1208 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1209 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1210 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1211 [(ARMcall_nolink tGPR:$func)]>,
1212 Requires<[IsARM, HasV4T, IsDarwin]> {
1214 let Inst{27-4} = 0b000100101111111111110001;
1215 let Inst{3-0} = func;
1219 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1220 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1221 [(ARMcall_nolink tGPR:$func)]>,
1222 Requires<[IsARM, NoV4T, IsDarwin]> {
1224 let Inst{27-4} = 0b000110100000111100000000;
1225 let Inst{3-0} = func;
1231 // FIXME: These should probably be xformed into the non-TC versions of the
1232 // instructions as part of MC lowering.
1233 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1235 let Defs = [R0, R1, R2, R3, R9, R12,
1236 D0, D1, D2, D3, D4, D5, D6, D7,
1237 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1238 D27, D28, D29, D30, D31, PC],
1240 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1242 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1244 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1246 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1248 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1249 IIC_Br, "b\t$dst @ TAILCALL",
1250 []>, Requires<[IsDarwin]>;
1252 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1253 IIC_Br, "b.w\t$dst @ TAILCALL",
1254 []>, Requires<[IsDarwin]>;
1256 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1257 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1258 []>, Requires<[IsDarwin]> {
1260 let Inst{31-4} = 0b1110000100101111111111110001;
1261 let Inst{3-0} = dst;
1265 // Non-Darwin versions (the difference is R9).
1266 let Defs = [R0, R1, R2, R3, R12,
1267 D0, D1, D2, D3, D4, D5, D6, D7,
1268 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1269 D27, D28, D29, D30, D31, PC],
1271 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1273 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1275 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1277 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1279 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1280 IIC_Br, "b\t$dst @ TAILCALL",
1281 []>, Requires<[IsARM, IsNotDarwin]>;
1283 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1284 IIC_Br, "b.w\t$dst @ TAILCALL",
1285 []>, Requires<[IsThumb, IsNotDarwin]>;
1287 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1288 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1289 []>, Requires<[IsNotDarwin]> {
1291 let Inst{31-4} = 0b1110000100101111111111110001;
1292 let Inst{3-0} = dst;
1297 let isBranch = 1, isTerminator = 1 in {
1298 // B is "predicable" since it can be xformed into a Bcc.
1299 let isBarrier = 1 in {
1300 let isPredicable = 1 in
1301 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1302 "b\t$target", [(br bb:$target)]>;
1304 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1305 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1306 IIC_Br, "mov\tpc, $target$jt",
1307 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1308 let Inst{11-4} = 0b00000000;
1309 let Inst{15-12} = 0b1111;
1310 let Inst{20} = 0; // S Bit
1311 let Inst{24-21} = 0b1101;
1312 let Inst{27-25} = 0b000;
1314 def BR_JTm : JTI<(outs),
1315 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1316 IIC_Br, "ldr\tpc, $target$jt",
1317 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1319 let Inst{15-12} = 0b1111;
1320 let Inst{20} = 1; // L bit
1321 let Inst{21} = 0; // W bit
1322 let Inst{22} = 0; // B bit
1323 let Inst{24} = 1; // P bit
1324 let Inst{27-25} = 0b011;
1326 def BR_JTadd : JTI<(outs),
1327 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1328 IIC_Br, "add\tpc, $target, $idx$jt",
1329 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1331 let Inst{15-12} = 0b1111;
1332 let Inst{20} = 0; // S bit
1333 let Inst{24-21} = 0b0100;
1334 let Inst{27-25} = 0b000;
1336 } // isNotDuplicable = 1, isIndirectBranch = 1
1339 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1340 // a two-value operand where a dag node expects two operands. :(
1341 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1342 IIC_Br, "b", "\t$target",
1343 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1346 // Branch and Exchange Jazelle -- for disassembly only
1347 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1348 [/* For disassembly only; pattern left blank */]> {
1349 let Inst{23-20} = 0b0010;
1350 //let Inst{19-8} = 0xfff;
1351 let Inst{7-4} = 0b0010;
1354 // Secure Monitor Call is a system instruction -- for disassembly only
1355 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1356 [/* For disassembly only; pattern left blank */]> {
1358 let Inst{23-4} = 0b01100000000000000111;
1359 let Inst{3-0} = opt;
1362 // Supervisor Call (Software Interrupt) -- for disassembly only
1364 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1365 [/* For disassembly only; pattern left blank */]> {
1367 let Inst{23-0} = svc;
1371 // Store Return State is a system instruction -- for disassembly only
1372 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1373 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1374 [/* For disassembly only; pattern left blank */]> {
1375 let Inst{31-28} = 0b1111;
1376 let Inst{22-20} = 0b110; // W = 1
1379 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1380 NoItinerary, "srs${addr:submode}\tsp, $mode",
1381 [/* For disassembly only; pattern left blank */]> {
1382 let Inst{31-28} = 0b1111;
1383 let Inst{22-20} = 0b100; // W = 0
1386 // Return From Exception is a system instruction -- for disassembly only
1387 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1388 NoItinerary, "rfe${addr:submode}\t$base!",
1389 [/* For disassembly only; pattern left blank */]> {
1390 let Inst{31-28} = 0b1111;
1391 let Inst{22-20} = 0b011; // W = 1
1394 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1395 NoItinerary, "rfe${addr:submode}\t$base",
1396 [/* For disassembly only; pattern left blank */]> {
1397 let Inst{31-28} = 0b1111;
1398 let Inst{22-20} = 0b001; // W = 0
1401 //===----------------------------------------------------------------------===//
1402 // Load / store Instructions.
1408 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_i, IIC_iLoad_r,
1409 UnOpFrag<(load node:$Src)>>;
1410 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_i, IIC_iLoad_bh_r,
1411 UnOpFrag<(zextloadi8 node:$Src)>>;
1413 // Special LDR for loads from non-pc-relative constpools.
1414 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1415 isReMaterializable = 1 in
1416 def LDRcp : AIldr1<0b010, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1417 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr", []> {
1420 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1421 let Inst{19-16} = 0b1111;
1422 let Inst{15-12} = Rt;
1423 let Inst{11-0} = addr{11-0}; // imm12
1426 // Loads with zero extension
1427 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1428 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1429 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1431 // Loads with sign extension
1432 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1433 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1434 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1436 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1437 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1438 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1440 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1442 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1443 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1444 []>, Requires<[IsARM, HasV5TE]>;
1447 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1448 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1449 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1451 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1452 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1453 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1455 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1456 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1457 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1459 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1460 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1461 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1463 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1464 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1465 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1467 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1468 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1469 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1471 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1472 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1473 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1475 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1476 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1477 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1479 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1480 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1481 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1483 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1484 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1485 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1487 // For disassembly only
1488 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1489 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1490 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1491 Requires<[IsARM, HasV5TE]>;
1493 // For disassembly only
1494 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1495 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1496 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1497 Requires<[IsARM, HasV5TE]>;
1499 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1501 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1503 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1504 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1505 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1506 let Inst{21} = 1; // overwrite
1509 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1510 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1511 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1512 let Inst{21} = 1; // overwrite
1515 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1516 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1517 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1518 let Inst{21} = 1; // overwrite
1521 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1522 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1523 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1524 let Inst{21} = 1; // overwrite
1527 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1528 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1529 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1530 let Inst{21} = 1; // overwrite
1534 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStore_r,
1535 "str", "\t$src, $addr",
1536 [(store GPR:$src, addrmode2:$addr)]>;
1538 // Stores with truncate
1539 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1540 IIC_iStore_bh_r, "strh", "\t$src, $addr",
1541 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1543 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
1544 IIC_iStore_bh_r, "strb", "\t$src, $addr",
1545 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1548 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1549 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1550 StMiscFrm, IIC_iStore_d_r,
1551 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1554 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1555 (ins GPR:$src, GPR:$base, am2offset:$offset),
1556 StFrm, IIC_iStore_ru,
1557 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1559 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1561 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1562 (ins GPR:$src, GPR:$base,am2offset:$offset),
1563 StFrm, IIC_iStore_ru,
1564 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1566 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1568 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1569 (ins GPR:$src, GPR:$base,am3offset:$offset),
1570 StMiscFrm, IIC_iStore_ru,
1571 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1573 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1575 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1576 (ins GPR:$src, GPR:$base,am3offset:$offset),
1577 StMiscFrm, IIC_iStore_bh_ru,
1578 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1579 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1580 GPR:$base, am3offset:$offset))]>;
1582 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1583 (ins GPR:$src, GPR:$base,am2offset:$offset),
1584 StFrm, IIC_iStore_bh_ru,
1585 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1586 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1587 GPR:$base, am2offset:$offset))]>;
1589 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1590 (ins GPR:$src, GPR:$base,am2offset:$offset),
1591 StFrm, IIC_iStore_bh_ru,
1592 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1593 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1594 GPR:$base, am2offset:$offset))]>;
1596 // For disassembly only
1597 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1598 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1599 StMiscFrm, IIC_iStore_d_ru,
1600 "strd", "\t$src1, $src2, [$base, $offset]!",
1601 "$base = $base_wb", []>;
1603 // For disassembly only
1604 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1605 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1606 StMiscFrm, IIC_iStore_d_ru,
1607 "strd", "\t$src1, $src2, [$base], $offset",
1608 "$base = $base_wb", []>;
1610 // STRT, STRBT, and STRHT are for disassembly only.
1612 def STRT : AI2stwpo<(outs GPR:$base_wb),
1613 (ins GPR:$src, GPR:$base,am2offset:$offset),
1614 StFrm, IIC_iStore_ru,
1615 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1616 [/* For disassembly only; pattern left blank */]> {
1617 let Inst{21} = 1; // overwrite
1620 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1621 (ins GPR:$src, GPR:$base,am2offset:$offset),
1622 StFrm, IIC_iStore_bh_ru,
1623 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1624 [/* For disassembly only; pattern left blank */]> {
1625 let Inst{21} = 1; // overwrite
1628 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1629 (ins GPR:$src, GPR:$base,am3offset:$offset),
1630 StMiscFrm, IIC_iStore_bh_ru,
1631 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1632 [/* For disassembly only; pattern left blank */]> {
1633 let Inst{21} = 1; // overwrite
1636 //===----------------------------------------------------------------------===//
1637 // Load / store multiple Instructions.
1640 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1641 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1642 reglist:$dsts, variable_ops),
1643 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1644 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1646 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1647 reglist:$dsts, variable_ops),
1648 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1649 "ldm${addr:submode}${p}\t$addr!, $dsts",
1650 "$addr.addr = $wb", []>;
1651 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1653 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1654 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1655 reglist:$srcs, variable_ops),
1656 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1657 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1659 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1660 reglist:$srcs, variable_ops),
1661 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1662 "stm${addr:submode}${p}\t$addr!, $srcs",
1663 "$addr.addr = $wb", []>;
1664 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1666 //===----------------------------------------------------------------------===//
1667 // Move Instructions.
1670 let neverHasSideEffects = 1 in
1671 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1672 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1676 let Inst{11-4} = 0b00000000;
1679 let Inst{15-12} = Rd;
1682 // A version for the smaller set of tail call registers.
1683 let neverHasSideEffects = 1 in
1684 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1685 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1689 let Inst{11-4} = 0b00000000;
1692 let Inst{15-12} = Rd;
1695 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins so_reg:$src),
1696 DPSoRegFrm, IIC_iMOVsr,
1697 "mov", "\t$Rd, $src", [(set GPR:$Rd, so_reg:$src)]>, UnaryDP {
1700 let Inst{15-12} = Rd;
1701 let Inst{11-0} = src;
1705 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1706 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1707 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1711 let Inst{15-12} = Rd;
1712 let Inst{19-16} = 0b0000;
1713 let Inst{11-0} = imm;
1716 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1717 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1719 "movw", "\t$Rd, $imm",
1720 [(set GPR:$Rd, imm0_65535:$imm)]>,
1721 Requires<[IsARM, HasV6T2]>, UnaryDP {
1724 let Inst{15-12} = Rd;
1725 let Inst{11-0} = imm{11-0};
1726 let Inst{19-16} = imm{15-12};
1731 let Constraints = "$src = $Rd" in
1732 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1734 "movt", "\t$Rd, $imm",
1736 (or (and GPR:$src, 0xffff),
1737 lo16AllZero:$imm))]>, UnaryDP,
1738 Requires<[IsARM, HasV6T2]> {
1741 let Inst{15-12} = Rd;
1742 let Inst{11-0} = imm{11-0};
1743 let Inst{19-16} = imm{15-12};
1748 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1749 Requires<[IsARM, HasV6T2]>;
1751 let Uses = [CPSR] in
1752 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
1753 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1756 // These aren't really mov instructions, but we have to define them this way
1757 // due to flag operands.
1759 let Defs = [CPSR] in {
1760 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1761 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1763 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1764 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1768 //===----------------------------------------------------------------------===//
1769 // Extend Instructions.
1774 defm SXTB : AI_ext_rrot<0b01101010,
1775 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1776 defm SXTH : AI_ext_rrot<0b01101011,
1777 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1779 defm SXTAB : AI_exta_rrot<0b01101010,
1780 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1781 defm SXTAH : AI_exta_rrot<0b01101011,
1782 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1784 // For disassembly only
1785 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1787 // For disassembly only
1788 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1792 let AddedComplexity = 16 in {
1793 defm UXTB : AI_ext_rrot<0b01101110,
1794 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1795 defm UXTH : AI_ext_rrot<0b01101111,
1796 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1797 defm UXTB16 : AI_ext_rrot<0b01101100,
1798 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1800 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1801 // The transformation should probably be done as a combiner action
1802 // instead so we can include a check for masking back in the upper
1803 // eight bits of the source into the lower eight bits of the result.
1804 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1805 // (UXTB16r_rot GPR:$Src, 24)>;
1806 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1807 (UXTB16r_rot GPR:$Src, 8)>;
1809 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1810 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1811 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1812 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1815 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1816 // For disassembly only
1817 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1820 def SBFX : I<(outs GPR:$Rd),
1821 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1822 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1823 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1824 Requires<[IsARM, HasV6T2]> {
1829 let Inst{27-21} = 0b0111101;
1830 let Inst{6-4} = 0b101;
1831 let Inst{20-16} = width;
1832 let Inst{15-12} = Rd;
1833 let Inst{11-7} = lsb;
1837 def UBFX : I<(outs GPR:$Rd),
1838 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1839 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1840 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1841 Requires<[IsARM, HasV6T2]> {
1846 let Inst{27-21} = 0b0111111;
1847 let Inst{6-4} = 0b101;
1848 let Inst{20-16} = width;
1849 let Inst{15-12} = Rd;
1850 let Inst{11-7} = lsb;
1854 //===----------------------------------------------------------------------===//
1855 // Arithmetic Instructions.
1858 defm ADD : AsI1_bin_irs<0b0100, "add",
1859 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1860 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1861 defm SUB : AsI1_bin_irs<0b0010, "sub",
1862 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1863 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1865 // ADD and SUB with 's' bit set.
1866 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1867 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1868 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1869 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1870 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1871 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1873 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1874 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1875 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1876 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1877 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1878 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1879 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1880 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1882 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1883 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
1884 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
1889 let Inst{15-12} = Rd;
1890 let Inst{19-16} = Rn;
1891 let Inst{11-0} = imm;
1894 // The reg/reg form is only defined for the disassembler; for codegen it is
1895 // equivalent to SUBrr.
1896 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1897 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
1898 [/* For disassembly only; pattern left blank */]> {
1902 let Inst{11-4} = 0b00000000;
1905 let Inst{15-12} = Rd;
1906 let Inst{19-16} = Rn;
1909 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1910 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
1911 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
1916 let Inst{11-0} = shift;
1917 let Inst{15-12} = Rd;
1918 let Inst{19-16} = Rn;
1921 // RSB with 's' bit set.
1922 let Defs = [CPSR] in {
1923 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1924 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
1925 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
1931 let Inst{15-12} = Rd;
1932 let Inst{19-16} = Rn;
1933 let Inst{11-0} = imm;
1935 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1936 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
1937 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
1943 let Inst{11-0} = shift;
1944 let Inst{15-12} = Rd;
1945 let Inst{19-16} = Rn;
1949 let Uses = [CPSR] in {
1950 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1951 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
1952 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
1958 let Inst{15-12} = Rd;
1959 let Inst{19-16} = Rn;
1960 let Inst{11-0} = imm;
1962 // The reg/reg form is only defined for the disassembler; for codegen it is
1963 // equivalent to SUBrr.
1964 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1965 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
1966 [/* For disassembly only; pattern left blank */]> {
1970 let Inst{11-4} = 0b00000000;
1973 let Inst{15-12} = Rd;
1974 let Inst{19-16} = Rn;
1976 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1977 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
1978 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
1984 let Inst{11-0} = shift;
1985 let Inst{15-12} = Rd;
1986 let Inst{19-16} = Rn;
1990 // FIXME: Allow these to be predicated.
1991 let Defs = [CPSR], Uses = [CPSR] in {
1992 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1993 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
1994 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2001 let Inst{15-12} = Rd;
2002 let Inst{19-16} = Rn;
2003 let Inst{11-0} = imm;
2005 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2006 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2007 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2014 let Inst{11-0} = shift;
2015 let Inst{15-12} = Rd;
2016 let Inst{19-16} = Rn;
2020 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2021 // The assume-no-carry-in form uses the negation of the input since add/sub
2022 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2023 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2025 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2026 (SUBri GPR:$src, so_imm_neg:$imm)>;
2027 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2028 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2029 // The with-carry-in form matches bitwise not instead of the negation.
2030 // Effectively, the inverse interpretation of the carry flag already accounts
2031 // for part of the negation.
2032 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2033 (SBCri GPR:$src, so_imm_not:$imm)>;
2035 // Note: These are implemented in C++ code, because they have to generate
2036 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2038 // (mul X, 2^n+1) -> (add (X << n), X)
2039 // (mul X, 2^n-1) -> (rsb X, (X << n))
2041 // ARM Arithmetic Instruction -- for disassembly only
2042 // GPR:$dst = GPR:$a op GPR:$b
2043 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2044 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2045 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2046 opc, "\t$Rd, $Rn, $Rm", pattern> {
2050 let Inst{27-20} = op27_20;
2051 let Inst{11-4} = op11_4;
2052 let Inst{19-16} = Rn;
2053 let Inst{15-12} = Rd;
2057 // Saturating add/subtract -- for disassembly only
2059 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2060 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2061 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2062 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2063 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2064 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2066 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2067 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2068 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2069 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2070 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2071 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2072 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2073 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2074 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2075 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2076 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2077 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2079 // Signed/Unsigned add/subtract -- for disassembly only
2081 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2082 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2083 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2084 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2085 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2086 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2087 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2088 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2089 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2090 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2091 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2092 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2094 // Signed/Unsigned halving add/subtract -- for disassembly only
2096 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2097 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2098 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2099 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2100 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2101 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2102 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2103 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2104 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2105 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2106 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2107 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2109 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2111 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2112 MulFrm /* for convenience */, NoItinerary, "usad8",
2113 "\t$Rd, $Rn, $Rm", []>,
2114 Requires<[IsARM, HasV6]> {
2118 let Inst{27-20} = 0b01111000;
2119 let Inst{15-12} = 0b1111;
2120 let Inst{7-4} = 0b0001;
2121 let Inst{19-16} = Rd;
2122 let Inst{11-8} = Rm;
2125 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2126 MulFrm /* for convenience */, NoItinerary, "usada8",
2127 "\t$Rd, $Rn, $Rm, $Ra", []>,
2128 Requires<[IsARM, HasV6]> {
2133 let Inst{27-20} = 0b01111000;
2134 let Inst{7-4} = 0b0001;
2135 let Inst{19-16} = Rd;
2136 let Inst{15-12} = Ra;
2137 let Inst{11-8} = Rm;
2141 // Signed/Unsigned saturate -- for disassembly only
2143 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2144 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2145 [/* For disassembly only; pattern left blank */]> {
2150 let Inst{27-21} = 0b0110101;
2151 let Inst{5-4} = 0b01;
2152 let Inst{20-16} = sat_imm;
2153 let Inst{15-12} = Rd;
2154 let Inst{11-7} = sh{7-3};
2155 let Inst{6} = sh{0};
2159 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2160 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2161 [/* For disassembly only; pattern left blank */]> {
2165 let Inst{27-20} = 0b01101010;
2166 let Inst{11-4} = 0b11110011;
2167 let Inst{15-12} = Rd;
2168 let Inst{19-16} = sat_imm;
2172 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2173 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2174 [/* For disassembly only; pattern left blank */]> {
2179 let Inst{27-21} = 0b0110111;
2180 let Inst{5-4} = 0b01;
2181 let Inst{15-12} = Rd;
2182 let Inst{11-7} = sh{7-3};
2183 let Inst{6} = sh{0};
2184 let Inst{20-16} = sat_imm;
2188 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2189 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2190 [/* For disassembly only; pattern left blank */]> {
2194 let Inst{27-20} = 0b01101110;
2195 let Inst{11-4} = 0b11110011;
2196 let Inst{15-12} = Rd;
2197 let Inst{19-16} = sat_imm;
2201 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2202 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2204 //===----------------------------------------------------------------------===//
2205 // Bitwise Instructions.
2208 defm AND : AsI1_bin_irs<0b0000, "and",
2209 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2210 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2211 defm ORR : AsI1_bin_irs<0b1100, "orr",
2212 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2213 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2214 defm EOR : AsI1_bin_irs<0b0001, "eor",
2215 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2216 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2217 defm BIC : AsI1_bin_irs<0b1110, "bic",
2218 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2219 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2221 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2222 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2223 "bfc", "\t$Rd, $imm", "$src = $Rd",
2224 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2225 Requires<[IsARM, HasV6T2]> {
2228 let Inst{27-21} = 0b0111110;
2229 let Inst{6-0} = 0b0011111;
2230 let Inst{15-12} = Rd;
2231 let Inst{11-7} = imm{4-0}; // lsb
2232 let Inst{20-16} = imm{9-5}; // width
2235 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2236 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2237 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2238 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2239 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2240 bf_inv_mask_imm:$imm))]>,
2241 Requires<[IsARM, HasV6T2]> {
2245 let Inst{27-21} = 0b0111110;
2246 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2247 let Inst{15-12} = Rd;
2248 let Inst{11-7} = imm{4-0}; // lsb
2249 let Inst{20-16} = imm{9-5}; // width
2253 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2254 "mvn", "\t$Rd, $Rm",
2255 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2259 let Inst{19-16} = 0b0000;
2260 let Inst{11-4} = 0b00000000;
2261 let Inst{15-12} = Rd;
2264 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2265 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2266 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2271 let Inst{19-16} = 0b0000;
2272 let Inst{15-12} = Rd;
2273 let Inst{11-0} = shift;
2275 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
2276 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2277 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2278 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2283 let Inst{19-16} = 0b0000;
2284 let Inst{15-12} = Rd;
2285 let Inst{11-0} = imm;
2288 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2289 (BICri GPR:$src, so_imm_not:$imm)>;
2291 //===----------------------------------------------------------------------===//
2292 // Multiply Instructions.
2294 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2295 string opc, string asm, list<dag> pattern>
2296 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2300 let Inst{19-16} = Rd;
2301 let Inst{11-8} = Rm;
2304 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2305 string opc, string asm, list<dag> pattern>
2306 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2311 let Inst{19-16} = RdHi;
2312 let Inst{15-12} = RdLo;
2313 let Inst{11-8} = Rm;
2317 let isCommutable = 1 in
2318 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2319 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2320 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2322 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2323 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2324 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2326 let Inst{15-12} = Ra;
2329 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2330 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2331 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2332 Requires<[IsARM, HasV6T2]> {
2336 let Inst{19-16} = Rd;
2337 let Inst{11-8} = Rm;
2341 // Extra precision multiplies with low / high results
2343 let neverHasSideEffects = 1 in {
2344 let isCommutable = 1 in {
2345 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2346 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2347 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2349 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2350 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2351 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2354 // Multiply + accumulate
2355 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2356 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2357 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2359 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2360 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2361 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2363 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2364 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2365 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2366 Requires<[IsARM, HasV6]> {
2371 let Inst{19-16} = RdLo;
2372 let Inst{15-12} = RdHi;
2373 let Inst{11-8} = Rm;
2376 } // neverHasSideEffects
2378 // Most significant word multiply
2379 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2380 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2381 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2382 Requires<[IsARM, HasV6]> {
2383 let Inst{15-12} = 0b1111;
2386 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2387 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2388 [/* For disassembly only; pattern left blank */]>,
2389 Requires<[IsARM, HasV6]> {
2390 let Inst{15-12} = 0b1111;
2393 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2394 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2395 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2396 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2397 Requires<[IsARM, HasV6]>;
2399 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2400 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2401 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2402 [/* For disassembly only; pattern left blank */]>,
2403 Requires<[IsARM, HasV6]>;
2405 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2406 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2407 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2408 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2409 Requires<[IsARM, HasV6]>;
2411 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2412 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2413 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2414 [/* For disassembly only; pattern left blank */]>,
2415 Requires<[IsARM, HasV6]>;
2417 multiclass AI_smul<string opc, PatFrag opnode> {
2418 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2419 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2420 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2421 (sext_inreg GPR:$Rm, i16)))]>,
2422 Requires<[IsARM, HasV5TE]>;
2424 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2425 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2426 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2427 (sra GPR:$Rm, (i32 16))))]>,
2428 Requires<[IsARM, HasV5TE]>;
2430 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2431 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2432 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2433 (sext_inreg GPR:$Rm, i16)))]>,
2434 Requires<[IsARM, HasV5TE]>;
2436 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2437 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2438 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2439 (sra GPR:$Rm, (i32 16))))]>,
2440 Requires<[IsARM, HasV5TE]>;
2442 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2443 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2444 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2445 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2446 Requires<[IsARM, HasV5TE]>;
2448 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2449 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2450 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2451 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2452 Requires<[IsARM, HasV5TE]>;
2456 multiclass AI_smla<string opc, PatFrag opnode> {
2457 def BB : AMulxyI<0b0001000, 0b00, (outs GPR:$Rd),
2458 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2459 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2460 [(set GPR:$Rd, (add GPR:$Ra,
2461 (opnode (sext_inreg GPR:$Rn, i16),
2462 (sext_inreg GPR:$Rm, i16))))]>,
2463 Requires<[IsARM, HasV5TE]>;
2465 def BT : AMulxyI<0b0001000, 0b10, (outs GPR:$Rd),
2466 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2467 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2468 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2469 (sra GPR:$Rm, (i32 16)))))]>,
2470 Requires<[IsARM, HasV5TE]>;
2472 def TB : AMulxyI<0b0001000, 0b01, (outs GPR:$Rd),
2473 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2474 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2475 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2476 (sext_inreg GPR:$Rm, i16))))]>,
2477 Requires<[IsARM, HasV5TE]>;
2479 def TT : AMulxyI<0b0001000, 0b11, (outs GPR:$Rd),
2480 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2481 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2482 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2483 (sra GPR:$Rm, (i32 16)))))]>,
2484 Requires<[IsARM, HasV5TE]>;
2486 def WB : AMulxyI<0b0001001, 0b00, (outs GPR:$Rd),
2487 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2488 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2489 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2490 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2491 Requires<[IsARM, HasV5TE]>;
2493 def WT : AMulxyI<0b0001001, 0b10, (outs GPR:$Rd),
2494 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2495 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2496 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2497 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2498 Requires<[IsARM, HasV5TE]>;
2501 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2502 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2504 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2505 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2506 (ins GPR:$Rn, GPR:$Rm),
2507 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2508 [/* For disassembly only; pattern left blank */]>,
2509 Requires<[IsARM, HasV5TE]>;
2511 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2512 (ins GPR:$Rn, GPR:$Rm),
2513 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2514 [/* For disassembly only; pattern left blank */]>,
2515 Requires<[IsARM, HasV5TE]>;
2517 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2518 (ins GPR:$Rn, GPR:$Rm),
2519 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2520 [/* For disassembly only; pattern left blank */]>,
2521 Requires<[IsARM, HasV5TE]>;
2523 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2524 (ins GPR:$Rn, GPR:$Rm),
2525 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2526 [/* For disassembly only; pattern left blank */]>,
2527 Requires<[IsARM, HasV5TE]>;
2529 // Helper class for AI_smld -- for disassembly only
2530 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2531 InstrItinClass itin, string opc, string asm>
2532 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2539 let Inst{21-20} = 0b00;
2540 let Inst{22} = long;
2541 let Inst{27-23} = 0b01110;
2542 let Inst{11-8} = Rm;
2545 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2546 InstrItinClass itin, string opc, string asm>
2547 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2549 let Inst{15-12} = 0b1111;
2550 let Inst{19-16} = Rd;
2552 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2553 InstrItinClass itin, string opc, string asm>
2554 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2556 let Inst{15-12} = Ra;
2558 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2559 InstrItinClass itin, string opc, string asm>
2560 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2563 let Inst{19-16} = RdHi;
2564 let Inst{15-12} = RdLo;
2567 multiclass AI_smld<bit sub, string opc> {
2569 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2570 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2572 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2573 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2575 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2576 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2577 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2579 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2580 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2581 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2585 defm SMLA : AI_smld<0, "smla">;
2586 defm SMLS : AI_smld<1, "smls">;
2588 multiclass AI_sdml<bit sub, string opc> {
2590 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2591 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2592 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2593 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2596 defm SMUA : AI_sdml<0, "smua">;
2597 defm SMUS : AI_sdml<1, "smus">;
2599 //===----------------------------------------------------------------------===//
2600 // Misc. Arithmetic Instructions.
2603 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2604 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2605 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2607 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2608 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2609 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2610 Requires<[IsARM, HasV6T2]>;
2612 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2613 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2614 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2616 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2617 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2619 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2620 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2621 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2622 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2623 Requires<[IsARM, HasV6]>;
2625 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2626 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2629 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2630 (shl GPR:$Rm, (i32 8))), i16))]>,
2631 Requires<[IsARM, HasV6]>;
2633 def lsl_shift_imm : SDNodeXForm<imm, [{
2634 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2635 return CurDAG->getTargetConstant(Sh, MVT::i32);
2638 def lsl_amt : PatLeaf<(i32 imm), [{
2639 return (N->getZExtValue() < 32);
2642 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2643 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2644 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2645 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2646 (and (shl GPR:$Rm, lsl_amt:$sh),
2648 Requires<[IsARM, HasV6]>;
2650 // Alternate cases for PKHBT where identities eliminate some nodes.
2651 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2652 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2653 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2654 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2656 def asr_shift_imm : SDNodeXForm<imm, [{
2657 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2658 return CurDAG->getTargetConstant(Sh, MVT::i32);
2661 def asr_amt : PatLeaf<(i32 imm), [{
2662 return (N->getZExtValue() <= 32);
2665 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2666 // will match the pattern below.
2667 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2668 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2669 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2670 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2671 (and (sra GPR:$Rm, asr_amt:$sh),
2673 Requires<[IsARM, HasV6]>;
2675 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2676 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2677 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2678 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2679 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2680 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2681 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2683 //===----------------------------------------------------------------------===//
2684 // Comparison Instructions...
2687 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2688 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2689 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2691 // FIXME: We have to be careful when using the CMN instruction and comparison
2692 // with 0. One would expect these two pieces of code should give identical
2708 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2709 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2710 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2711 // value of r0 and the carry bit (because the "carry bit" parameter to
2712 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2713 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2714 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2715 // parameter to AddWithCarry is defined as 0).
2717 // When x is 0 and unsigned:
2721 // ~x + 1 = 0x1 0000 0000
2722 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2724 // Therefore, we should disable CMN when comparing against zero, until we can
2725 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2726 // when it's a comparison which doesn't look at the 'carry' flag).
2728 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2730 // This is related to <rdar://problem/7569620>.
2732 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2733 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2735 // Note that TST/TEQ don't set all the same flags that CMP does!
2736 defm TST : AI1_cmp_irs<0b1000, "tst",
2737 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2738 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2739 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2740 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2741 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2743 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2744 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2745 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2746 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2747 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2748 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2750 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2751 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2753 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2754 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2756 // Pseudo i64 compares for some floating point compares.
2757 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2759 def BCCi64 : PseudoInst<(outs),
2760 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2762 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2764 def BCCZi64 : PseudoInst<(outs),
2765 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2766 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2767 } // usesCustomInserter
2770 // Conditional moves
2771 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2772 // a two-value operand where a dag node expects two operands. :(
2773 // FIXME: These should all be pseudo-instructions that get expanded to
2774 // the normal MOV instructions. That would fix the dependency on
2775 // special casing them in tblgen.
2776 let neverHasSideEffects = 1 in {
2777 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2778 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2779 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2780 RegConstraint<"$false = $Rd">, UnaryDP {
2784 let Inst{11-4} = 0b00000000;
2787 let Inst{15-12} = Rd;
2788 let Inst{11-4} = 0b00000000;
2792 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2793 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2794 "mov", "\t$dst, $true",
2795 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2796 RegConstraint<"$false = $dst">, UnaryDP {
2800 def MOVCCi16 : AI1<0b1000, (outs GPR:$dst), (ins GPR:$false, i32imm:$src),
2802 "movw", "\t$dst, $src",
2804 RegConstraint<"$false = $dst">, Requires<[IsARM, HasV6T2]>,
2810 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2811 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2812 "mov", "\t$dst, $true",
2813 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2814 RegConstraint<"$false = $dst">, UnaryDP {
2817 } // neverHasSideEffects
2819 //===----------------------------------------------------------------------===//
2820 // Atomic operations intrinsics
2823 // memory barriers protect the atomic sequences
2824 let hasSideEffects = 1 in {
2825 def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
2826 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2827 let Inst{31-4} = 0xf57ff05;
2828 // FIXME: add support for options other than a full system DMB
2829 // See DMB disassembly-only variants below.
2830 let Inst{3-0} = 0b1111;
2833 def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
2834 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2835 let Inst{31-4} = 0xf57ff04;
2836 // FIXME: add support for options other than a full system DSB
2837 // See DSB disassembly-only variants below.
2838 let Inst{3-0} = 0b1111;
2841 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2842 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2843 [(ARMMemBarrierMCR GPR:$zero)]>,
2844 Requires<[IsARM, HasV6]> {
2845 // FIXME: add support for options other than a full system DMB
2846 // FIXME: add encoding
2849 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2850 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2851 [(ARMSyncBarrierMCR GPR:$zero)]>,
2852 Requires<[IsARM, HasV6]> {
2853 // FIXME: add support for options other than a full system DSB
2854 // FIXME: add encoding
2858 // Memory Barrier Operations Variants -- for disassembly only
2860 def memb_opt : Operand<i32> {
2861 let PrintMethod = "printMemBOption";
2864 class AMBI<bits<4> op7_4, string opc>
2865 : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
2866 [/* For disassembly only; pattern left blank */]>,
2867 Requires<[IsARM, HasDB]> {
2868 let Inst{31-8} = 0xf57ff0;
2869 let Inst{7-4} = op7_4;
2872 // These DMB variants are for disassembly only.
2873 def DMBvar : AMBI<0b0101, "dmb">;
2875 // These DSB variants are for disassembly only.
2876 def DSBvar : AMBI<0b0100, "dsb">;
2878 // ISB has only full system option -- for disassembly only
2879 def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2880 Requires<[IsARM, HasDB]> {
2881 let Inst{31-4} = 0xf57ff06;
2882 let Inst{3-0} = 0b1111;
2885 let usesCustomInserter = 1 in {
2886 let Uses = [CPSR] in {
2887 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2888 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2889 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2890 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2891 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2892 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2893 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2894 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2895 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2896 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2897 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2898 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2899 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2900 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2901 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2902 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2903 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2904 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2905 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2906 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2907 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2908 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2909 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2910 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2911 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2912 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2913 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2914 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2915 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2916 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2917 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2918 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2919 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2920 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2921 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2922 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2923 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2924 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2925 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2926 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2927 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2928 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2929 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2930 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2931 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2932 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2933 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2934 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2935 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2936 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2937 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2938 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2939 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2940 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2942 def ATOMIC_SWAP_I8 : PseudoInst<
2943 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2944 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2945 def ATOMIC_SWAP_I16 : PseudoInst<
2946 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2947 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2948 def ATOMIC_SWAP_I32 : PseudoInst<
2949 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2950 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2952 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2953 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2954 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2955 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2956 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2957 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2958 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2959 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2960 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2964 let mayLoad = 1 in {
2965 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2966 "ldrexb", "\t$dest, [$ptr]",
2968 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2969 "ldrexh", "\t$dest, [$ptr]",
2971 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2972 "ldrex", "\t$dest, [$ptr]",
2974 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2976 "ldrexd", "\t$dest, $dest2, [$ptr]",
2980 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2981 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2983 "strexb", "\t$success, $src, [$ptr]",
2985 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2987 "strexh", "\t$success, $src, [$ptr]",
2989 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2991 "strex", "\t$success, $src, [$ptr]",
2993 def STREXD : AIstrex<0b01, (outs GPR:$success),
2994 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2996 "strexd", "\t$success, $src, $src2, [$ptr]",
3000 // Clear-Exclusive is for disassembly only.
3001 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3002 [/* For disassembly only; pattern left blank */]>,
3003 Requires<[IsARM, HasV7]> {
3004 let Inst{31-20} = 0xf57;
3005 let Inst{7-4} = 0b0001;
3008 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3009 let mayLoad = 1 in {
3010 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
3011 "swp", "\t$dst, $src, [$ptr]",
3012 [/* For disassembly only; pattern left blank */]> {
3013 let Inst{27-23} = 0b00010;
3014 let Inst{22} = 0; // B = 0
3015 let Inst{21-20} = 0b00;
3016 let Inst{7-4} = 0b1001;
3019 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
3020 "swpb", "\t$dst, $src, [$ptr]",
3021 [/* For disassembly only; pattern left blank */]> {
3022 let Inst{27-23} = 0b00010;
3023 let Inst{22} = 1; // B = 1
3024 let Inst{21-20} = 0b00;
3025 let Inst{7-4} = 0b1001;
3029 //===----------------------------------------------------------------------===//
3033 // __aeabi_read_tp preserves the registers r1-r3.
3035 Defs = [R0, R12, LR, CPSR] in {
3036 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3037 "bl\t__aeabi_read_tp",
3038 [(set R0, ARMthread_pointer)]>;
3041 //===----------------------------------------------------------------------===//
3042 // SJLJ Exception handling intrinsics
3043 // eh_sjlj_setjmp() is an instruction sequence to store the return
3044 // address and save #0 in R0 for the non-longjmp case.
3045 // Since by its nature we may be coming from some other function to get
3046 // here, and we're using the stack frame for the containing function to
3047 // save/restore registers, we can't keep anything live in regs across
3048 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3049 // when we get here from a longjmp(). We force everthing out of registers
3050 // except for our own input by listing the relevant registers in Defs. By
3051 // doing so, we also cause the prologue/epilogue code to actively preserve
3052 // all of the callee-saved resgisters, which is exactly what we want.
3053 // A constant value is passed in $val, and we use the location as a scratch.
3055 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3056 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3057 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3058 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3059 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3060 AddrModeNone, SizeSpecial, IndexModeNone,
3061 Pseudo, NoItinerary, "", "",
3062 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3063 Requires<[IsARM, HasVFP2]>;
3067 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3068 hasSideEffects = 1, isBarrier = 1 in {
3069 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3070 AddrModeNone, SizeSpecial, IndexModeNone,
3071 Pseudo, NoItinerary, "", "",
3072 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3073 Requires<[IsARM, NoVFP]>;
3076 // FIXME: Non-Darwin version(s)
3077 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3078 Defs = [ R7, LR, SP ] in {
3079 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3080 AddrModeNone, SizeSpecial, IndexModeNone,
3081 Pseudo, NoItinerary, "", "",
3082 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3083 Requires<[IsARM, IsDarwin]>;
3086 // eh.sjlj.dispatchsetup pseudo-instruction.
3087 // This pseudo is usef for ARM, Thumb1 and Thumb2. Any differences are
3088 // handled when the pseudo is expanded (which happens before any passes
3089 // that need the instruction size).
3090 let isBarrier = 1, hasSideEffects = 1 in
3091 def Int_eh_sjlj_dispatchsetup :
3092 PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
3093 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3094 Requires<[IsDarwin]>;
3096 //===----------------------------------------------------------------------===//
3097 // Non-Instruction Patterns
3100 // Large immediate handling.
3102 // Two piece so_imms.
3103 // FIXME: Expand this in ARMExpandPseudoInsts.
3104 // FIXME: Remove this when we can do generalized remat.
3105 let isReMaterializable = 1 in
3106 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
3107 Pseudo, IIC_iMOVix2,
3108 "mov", "\t$dst, $src",
3109 [(set GPR:$dst, so_imm2part:$src)]>,
3110 Requires<[IsARM, NoV6T2]>;
3112 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
3113 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3114 (so_imm2part_2 imm:$RHS))>;
3115 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
3116 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3117 (so_imm2part_2 imm:$RHS))>;
3118 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
3119 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3120 (so_imm2part_2 imm:$RHS))>;
3121 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
3122 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
3123 (so_neg_imm2part_2 imm:$RHS))>;
3125 // 32-bit immediate using movw + movt.
3126 // This is a single pseudo instruction, the benefit is that it can be remat'd
3127 // as a single unit instead of having to handle reg inputs.
3128 // FIXME: Remove this when we can do generalized remat.
3129 let isReMaterializable = 1 in
3130 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
3131 [(set GPR:$dst, (i32 imm:$src))]>,
3132 Requires<[IsARM, HasV6T2]>;
3134 // ConstantPool, GlobalAddress, and JumpTable
3135 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3136 Requires<[IsARM, DontUseMovt]>;
3137 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3138 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3139 Requires<[IsARM, UseMovt]>;
3140 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3141 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3143 // TODO: add,sub,and, 3-instr forms?
3146 def : ARMPat<(ARMtcret tcGPR:$dst),
3147 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3149 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3150 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3152 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3153 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3155 def : ARMPat<(ARMtcret tcGPR:$dst),
3156 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3158 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3159 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3161 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3162 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3165 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3166 Requires<[IsARM, IsNotDarwin]>;
3167 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3168 Requires<[IsARM, IsDarwin]>;
3170 // zextload i1 -> zextload i8
3171 //def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
3172 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3173 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3175 // extload -> zextload
3176 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3177 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3178 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3179 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3181 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3183 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3184 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3187 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3188 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3189 (SMULBB GPR:$a, GPR:$b)>;
3190 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3191 (SMULBB GPR:$a, GPR:$b)>;
3192 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3193 (sra GPR:$b, (i32 16))),
3194 (SMULBT GPR:$a, GPR:$b)>;
3195 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3196 (SMULBT GPR:$a, GPR:$b)>;
3197 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3198 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3199 (SMULTB GPR:$a, GPR:$b)>;
3200 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3201 (SMULTB GPR:$a, GPR:$b)>;
3202 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3204 (SMULWB GPR:$a, GPR:$b)>;
3205 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3206 (SMULWB GPR:$a, GPR:$b)>;
3208 def : ARMV5TEPat<(add GPR:$acc,
3209 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3210 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3211 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3212 def : ARMV5TEPat<(add GPR:$acc,
3213 (mul sext_16_node:$a, sext_16_node:$b)),
3214 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3215 def : ARMV5TEPat<(add GPR:$acc,
3216 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3217 (sra GPR:$b, (i32 16)))),
3218 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3219 def : ARMV5TEPat<(add GPR:$acc,
3220 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3221 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3222 def : ARMV5TEPat<(add GPR:$acc,
3223 (mul (sra GPR:$a, (i32 16)),
3224 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3225 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3226 def : ARMV5TEPat<(add GPR:$acc,
3227 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3228 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3229 def : ARMV5TEPat<(add GPR:$acc,
3230 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3232 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3233 def : ARMV5TEPat<(add GPR:$acc,
3234 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3235 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3237 //===----------------------------------------------------------------------===//
3241 include "ARMInstrThumb.td"
3243 //===----------------------------------------------------------------------===//
3247 include "ARMInstrThumb2.td"
3249 //===----------------------------------------------------------------------===//
3250 // Floating Point Support
3253 include "ARMInstrVFP.td"
3255 //===----------------------------------------------------------------------===//
3256 // Advanced SIMD (NEON) Support
3259 include "ARMInstrNEON.td"
3261 //===----------------------------------------------------------------------===//
3262 // Coprocessor Instructions. For disassembly only.
3265 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3266 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3267 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3268 [/* For disassembly only; pattern left blank */]> {
3272 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3273 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3274 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3275 [/* For disassembly only; pattern left blank */]> {
3276 let Inst{31-28} = 0b1111;
3280 class ACI<dag oops, dag iops, string opc, string asm>
3281 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3282 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3283 let Inst{27-25} = 0b110;
3286 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3288 def _OFFSET : ACI<(outs),
3289 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3290 opc, "\tp$cop, cr$CRd, $addr"> {
3291 let Inst{31-28} = op31_28;
3292 let Inst{24} = 1; // P = 1
3293 let Inst{21} = 0; // W = 0
3294 let Inst{22} = 0; // D = 0
3295 let Inst{20} = load;
3298 def _PRE : ACI<(outs),
3299 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3300 opc, "\tp$cop, cr$CRd, $addr!"> {
3301 let Inst{31-28} = op31_28;
3302 let Inst{24} = 1; // P = 1
3303 let Inst{21} = 1; // W = 1
3304 let Inst{22} = 0; // D = 0
3305 let Inst{20} = load;
3308 def _POST : ACI<(outs),
3309 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3310 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3311 let Inst{31-28} = op31_28;
3312 let Inst{24} = 0; // P = 0
3313 let Inst{21} = 1; // W = 1
3314 let Inst{22} = 0; // D = 0
3315 let Inst{20} = load;
3318 def _OPTION : ACI<(outs),
3319 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3320 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3321 let Inst{31-28} = op31_28;
3322 let Inst{24} = 0; // P = 0
3323 let Inst{23} = 1; // U = 1
3324 let Inst{21} = 0; // W = 0
3325 let Inst{22} = 0; // D = 0
3326 let Inst{20} = load;
3329 def L_OFFSET : ACI<(outs),
3330 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3331 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3332 let Inst{31-28} = op31_28;
3333 let Inst{24} = 1; // P = 1
3334 let Inst{21} = 0; // W = 0
3335 let Inst{22} = 1; // D = 1
3336 let Inst{20} = load;
3339 def L_PRE : ACI<(outs),
3340 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3341 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3342 let Inst{31-28} = op31_28;
3343 let Inst{24} = 1; // P = 1
3344 let Inst{21} = 1; // W = 1
3345 let Inst{22} = 1; // D = 1
3346 let Inst{20} = load;
3349 def L_POST : ACI<(outs),
3350 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3351 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3352 let Inst{31-28} = op31_28;
3353 let Inst{24} = 0; // P = 0
3354 let Inst{21} = 1; // W = 1
3355 let Inst{22} = 1; // D = 1
3356 let Inst{20} = load;
3359 def L_OPTION : ACI<(outs),
3360 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3361 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3362 let Inst{31-28} = op31_28;
3363 let Inst{24} = 0; // P = 0
3364 let Inst{23} = 1; // U = 1
3365 let Inst{21} = 0; // W = 0
3366 let Inst{22} = 1; // D = 1
3367 let Inst{20} = load;
3371 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3372 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3373 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3374 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3376 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3377 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3378 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3379 [/* For disassembly only; pattern left blank */]> {
3384 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3385 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3386 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3387 [/* For disassembly only; pattern left blank */]> {
3388 let Inst{31-28} = 0b1111;
3393 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3394 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3395 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3396 [/* For disassembly only; pattern left blank */]> {
3401 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3402 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3403 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3404 [/* For disassembly only; pattern left blank */]> {
3405 let Inst{31-28} = 0b1111;
3410 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3411 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3412 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3413 [/* For disassembly only; pattern left blank */]> {
3414 let Inst{23-20} = 0b0100;
3417 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3418 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3419 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3420 [/* For disassembly only; pattern left blank */]> {
3421 let Inst{31-28} = 0b1111;
3422 let Inst{23-20} = 0b0100;
3425 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3426 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3427 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3428 [/* For disassembly only; pattern left blank */]> {
3429 let Inst{23-20} = 0b0101;
3432 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3433 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3434 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3435 [/* For disassembly only; pattern left blank */]> {
3436 let Inst{31-28} = 0b1111;
3437 let Inst{23-20} = 0b0101;
3440 //===----------------------------------------------------------------------===//
3441 // Move between special register and ARM core register -- for disassembly only
3444 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3445 [/* For disassembly only; pattern left blank */]> {
3446 let Inst{23-20} = 0b0000;
3447 let Inst{7-4} = 0b0000;
3450 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3451 [/* For disassembly only; pattern left blank */]> {
3452 let Inst{23-20} = 0b0100;
3453 let Inst{7-4} = 0b0000;
3456 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3457 "msr", "\tcpsr$mask, $src",
3458 [/* For disassembly only; pattern left blank */]> {
3459 let Inst{23-20} = 0b0010;
3460 let Inst{7-4} = 0b0000;
3463 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3464 "msr", "\tcpsr$mask, $a",
3465 [/* For disassembly only; pattern left blank */]> {
3466 let Inst{23-20} = 0b0010;
3467 let Inst{7-4} = 0b0000;
3470 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3471 "msr", "\tspsr$mask, $src",
3472 [/* For disassembly only; pattern left blank */]> {
3473 let Inst{23-20} = 0b0110;
3474 let Inst{7-4} = 0b0000;
3477 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3478 "msr", "\tspsr$mask, $a",
3479 [/* For disassembly only; pattern left blank */]> {
3480 let Inst{23-20} = 0b0110;
3481 let Inst{7-4} = 0b0000;