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 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
303 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
304 int32_t v = (int32_t)N->getZExtValue();
305 return v == 8 || v == 16 || v == 24; }]> {
306 string EncoderMethod = "getRotImmOpValue";
309 // shift_imm: An integer that encodes a shift amount and the type of shift
310 // (currently either asr or lsl) using the same encoding used for the
311 // immediates in so_reg operands.
312 def shift_imm : Operand<i32> {
313 let PrintMethod = "printShiftImmOperand";
316 // shifter_operand operands: so_reg and so_imm.
317 def so_reg : Operand<i32>, // reg reg imm
318 ComplexPattern<i32, 3, "SelectShifterOperandReg",
319 [shl,srl,sra,rotr]> {
320 string EncoderMethod = "getSORegOpValue";
321 let PrintMethod = "printSORegOperand";
322 let MIOperandInfo = (ops GPR, GPR, i32imm);
325 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
326 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
327 // represented in the imm field in the same 12-bit form that they are encoded
328 // into so_imm instructions: the 8-bit immediate is the least significant bits
329 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
330 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
331 string EncoderMethod = "getSOImmOpValue";
332 let PrintMethod = "printSOImmOperand";
335 // Break so_imm's up into two pieces. This handles immediates with up to 16
336 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
337 // get the first/second pieces.
338 def so_imm2part : Operand<i32>,
340 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
342 let PrintMethod = "printSOImm2PartOperand";
345 def so_imm2part_1 : SDNodeXForm<imm, [{
346 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
347 return CurDAG->getTargetConstant(V, MVT::i32);
350 def so_imm2part_2 : SDNodeXForm<imm, [{
351 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
352 return CurDAG->getTargetConstant(V, MVT::i32);
355 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
356 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
358 let PrintMethod = "printSOImm2PartOperand";
361 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
362 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
363 return CurDAG->getTargetConstant(V, MVT::i32);
366 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
367 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
368 return CurDAG->getTargetConstant(V, MVT::i32);
371 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
372 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
373 return (int32_t)N->getZExtValue() < 32;
376 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
377 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
378 return (int32_t)N->getZExtValue() < 32;
380 string EncoderMethod = "getImmMinusOneOpValue";
383 // Define ARM specific addressing modes.
386 // addrmode_imm12 := reg +/- imm12
388 def addrmode_imm12 : Operand<i32>,
389 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
391 string EncoderMethod = "getAddrModeImm12OpValue";
392 let PrintMethod = "printAddrModeImm12Operand";
393 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
395 // ldst_so_reg := reg +/- reg shop imm
397 def ldst_so_reg : Operand<i32>,
398 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
399 // FIXME: Simplify the printer
400 let PrintMethod = "printAddrMode2Operand";
401 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
404 // addrmode2 := reg +/- imm12
405 // := reg +/- reg shop imm
407 def addrmode2 : Operand<i32>,
408 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
409 let PrintMethod = "printAddrMode2Operand";
410 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
413 def am2offset : Operand<i32>,
414 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
415 [], [SDNPWantRoot]> {
416 let PrintMethod = "printAddrMode2OffsetOperand";
417 let MIOperandInfo = (ops GPR, i32imm);
420 // addrmode3 := reg +/- reg
421 // addrmode3 := reg +/- imm8
423 def addrmode3 : Operand<i32>,
424 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
425 let PrintMethod = "printAddrMode3Operand";
426 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
429 def am3offset : Operand<i32>,
430 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
431 [], [SDNPWantRoot]> {
432 let PrintMethod = "printAddrMode3OffsetOperand";
433 let MIOperandInfo = (ops GPR, i32imm);
436 // addrmode4 := reg, <mode|W>
438 def addrmode4 : Operand<i32>,
439 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
440 let PrintMethod = "printAddrMode4Operand";
441 let MIOperandInfo = (ops GPR:$addr, i32imm);
444 // addrmode5 := reg +/- imm8*4
446 def addrmode5 : Operand<i32>,
447 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
448 let PrintMethod = "printAddrMode5Operand";
449 let MIOperandInfo = (ops GPR:$base, i32imm);
452 // addrmode6 := reg with optional writeback
454 def addrmode6 : Operand<i32>,
455 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
456 let PrintMethod = "printAddrMode6Operand";
457 let MIOperandInfo = (ops GPR:$addr, i32imm);
460 def am6offset : Operand<i32> {
461 let PrintMethod = "printAddrMode6OffsetOperand";
462 let MIOperandInfo = (ops GPR);
465 // addrmodepc := pc + reg
467 def addrmodepc : Operand<i32>,
468 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
469 let PrintMethod = "printAddrModePCOperand";
470 let MIOperandInfo = (ops GPR, i32imm);
473 def nohash_imm : Operand<i32> {
474 let PrintMethod = "printNoHashImmediate";
477 //===----------------------------------------------------------------------===//
479 include "ARMInstrFormats.td"
481 //===----------------------------------------------------------------------===//
482 // Multiclass helpers...
485 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
486 /// binop that produces a value.
487 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
488 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
489 PatFrag opnode, bit Commutable = 0> {
490 // The register-immediate version is re-materializable. This is useful
491 // in particular for taking the address of a local.
492 let isReMaterializable = 1 in {
493 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
494 iii, opc, "\t$Rd, $Rn, $imm",
495 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
500 let Inst{15-12} = Rd;
501 let Inst{19-16} = Rn;
502 let Inst{11-0} = imm;
505 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
506 iir, opc, "\t$Rd, $Rn, $Rm",
507 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
511 let Inst{11-4} = 0b00000000;
513 let isCommutable = Commutable;
515 let Inst{15-12} = Rd;
516 let Inst{19-16} = Rn;
518 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
519 iis, opc, "\t$Rd, $Rn, $shift",
520 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
525 let Inst{11-0} = shift;
526 let Inst{15-12} = Rd;
527 let Inst{19-16} = Rn;
531 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
532 /// instruction modifies the CPSR register.
533 let Defs = [CPSR] in {
534 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
535 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
536 PatFrag opnode, bit Commutable = 0> {
537 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
538 iii, opc, "\t$Rd, $Rn, $imm",
539 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
544 let Inst{15-12} = Rd;
545 let Inst{19-16} = Rn;
546 let Inst{11-0} = imm;
549 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
550 iir, opc, "\t$Rd, $Rn, $Rm",
551 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
555 let Inst{11-4} = 0b00000000;
557 let isCommutable = Commutable;
559 let Inst{15-12} = Rd;
560 let Inst{19-16} = Rn;
563 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
564 iis, opc, "\t$Rd, $Rn, $shift",
565 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
570 let Inst{11-0} = shift;
571 let Inst{15-12} = Rd;
572 let Inst{19-16} = Rn;
578 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
579 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
580 /// a explicit result, only implicitly set CPSR.
581 let isCompare = 1, Defs = [CPSR] in {
582 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
583 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
584 PatFrag opnode, bit Commutable = 0> {
585 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
587 [(opnode GPR:$Rn, so_imm:$imm)]> {
591 let Inst{15-12} = 0b0000;
592 let Inst{19-16} = Rn;
593 let Inst{11-0} = imm;
597 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
599 [(opnode GPR:$Rn, GPR:$Rm)]> {
602 let Inst{11-4} = 0b00000000;
604 let isCommutable = Commutable;
606 let Inst{15-12} = 0b0000;
607 let Inst{19-16} = Rn;
610 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
611 opc, "\t$Rn, $shift",
612 [(opnode GPR:$Rn, so_reg:$shift)]> {
616 let Inst{11-0} = shift;
617 let Inst{15-12} = 0b0000;
618 let Inst{19-16} = Rn;
624 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
625 /// register and one whose operand is a register rotated by 8/16/24.
626 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
627 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
628 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
629 IIC_iEXTr, opc, "\t$Rd, $Rm",
630 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
631 Requires<[IsARM, HasV6]> {
634 let Inst{15-12} = Rd;
636 let Inst{11-10} = 0b00;
637 let Inst{19-16} = 0b1111;
639 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
640 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
641 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
642 Requires<[IsARM, HasV6]> {
646 let Inst{15-12} = Rd;
647 let Inst{11-10} = rot;
649 let Inst{19-16} = 0b1111;
653 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
654 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
655 IIC_iEXTr, opc, "\t$Rd, $Rm",
656 [/* For disassembly only; pattern left blank */]>,
657 Requires<[IsARM, HasV6]> {
658 let Inst{11-10} = 0b00;
659 let Inst{19-16} = 0b1111;
661 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
662 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
663 [/* For disassembly only; pattern left blank */]>,
664 Requires<[IsARM, HasV6]> {
666 let Inst{11-10} = rot;
667 let Inst{19-16} = 0b1111;
671 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
672 /// register and one whose operand is a register rotated by 8/16/24.
673 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
674 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
675 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
676 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
677 Requires<[IsARM, HasV6]> {
678 let Inst{11-10} = 0b00;
680 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
682 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
683 [(set GPR:$Rd, (opnode GPR:$Rn,
684 (rotr GPR:$Rm, rot_imm:$rot)))]>,
685 Requires<[IsARM, HasV6]> {
688 let Inst{19-16} = Rn;
689 let Inst{11-10} = rot;
693 // For disassembly only.
694 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
695 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
696 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
697 [/* For disassembly only; pattern left blank */]>,
698 Requires<[IsARM, HasV6]> {
699 let Inst{11-10} = 0b00;
701 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
703 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
704 [/* For disassembly only; pattern left blank */]>,
705 Requires<[IsARM, HasV6]> {
708 let Inst{19-16} = Rn;
709 let Inst{11-10} = rot;
713 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
714 let Uses = [CPSR] in {
715 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
716 bit Commutable = 0> {
717 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
718 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
719 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
725 let Inst{15-12} = Rd;
726 let Inst{19-16} = Rn;
727 let Inst{11-0} = imm;
729 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
730 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
731 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
736 let Inst{11-4} = 0b00000000;
738 let isCommutable = Commutable;
740 let Inst{15-12} = Rd;
741 let Inst{19-16} = Rn;
743 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
744 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
745 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
751 let Inst{11-0} = shift;
752 let Inst{15-12} = Rd;
753 let Inst{19-16} = Rn;
756 // Carry setting variants
757 let Defs = [CPSR] in {
758 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
759 bit Commutable = 0> {
760 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
761 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
762 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
767 let Inst{15-12} = Rd;
768 let Inst{19-16} = Rn;
769 let Inst{11-0} = imm;
773 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
774 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
775 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
780 let Inst{11-4} = 0b00000000;
781 let isCommutable = Commutable;
783 let Inst{15-12} = Rd;
784 let Inst{19-16} = Rn;
788 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
789 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
790 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
795 let Inst{11-0} = shift;
796 let Inst{15-12} = Rd;
797 let Inst{19-16} = Rn;
805 let canFoldAsLoad = 1, isReMaterializable = 1 in {
806 multiclass AI_ldr1<bit opc22, string opc, InstrItinClass iii,
807 InstrItinClass iir, PatFrag opnode> {
808 // Note: We use the complex addrmode_imm12 rather than just an input
809 // GPR and a constrained immediate so that we can use this to match
810 // frame index references and avoid matching constant pool references.
811 def i12 : AIldr1<0b010, opc22, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
812 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
813 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
816 let Inst{23} = addr{12}; // U (add = ('U' == 1))
817 let Inst{19-16} = addr{16-13}; // Rn
818 let Inst{15-12} = Rt;
819 let Inst{11-0} = addr{11-0}; // imm12
821 def rs : AIldr1<0b011, opc22, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
822 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
823 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
826 let Inst{23} = shift{12}; // U (add = ('U' == 1))
827 let Inst{19-16} = shift{16-13}; // Rn
828 let Inst{11-0} = shift{11-0};
833 //===----------------------------------------------------------------------===//
835 //===----------------------------------------------------------------------===//
837 //===----------------------------------------------------------------------===//
838 // Miscellaneous Instructions.
841 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
842 /// the function. The first operand is the ID# for this instruction, the second
843 /// is the index into the MachineConstantPool that this is, the third is the
844 /// size in bytes of this constant pool entry.
845 let neverHasSideEffects = 1, isNotDuplicable = 1 in
846 def CONSTPOOL_ENTRY :
847 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
848 i32imm:$size), NoItinerary, "", []>;
850 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
851 // from removing one half of the matched pairs. That breaks PEI, which assumes
852 // these will always be in pairs, and asserts if it finds otherwise. Better way?
853 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
855 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
856 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
858 def ADJCALLSTACKDOWN :
859 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
860 [(ARMcallseq_start timm:$amt)]>;
863 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
864 [/* For disassembly only; pattern left blank */]>,
865 Requires<[IsARM, HasV6T2]> {
866 let Inst{27-16} = 0b001100100000;
867 let Inst{15-8} = 0b11110000;
868 let Inst{7-0} = 0b00000000;
871 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
872 [/* For disassembly only; pattern left blank */]>,
873 Requires<[IsARM, HasV6T2]> {
874 let Inst{27-16} = 0b001100100000;
875 let Inst{15-8} = 0b11110000;
876 let Inst{7-0} = 0b00000001;
879 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
880 [/* For disassembly only; pattern left blank */]>,
881 Requires<[IsARM, HasV6T2]> {
882 let Inst{27-16} = 0b001100100000;
883 let Inst{15-8} = 0b11110000;
884 let Inst{7-0} = 0b00000010;
887 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
888 [/* For disassembly only; pattern left blank */]>,
889 Requires<[IsARM, HasV6T2]> {
890 let Inst{27-16} = 0b001100100000;
891 let Inst{15-8} = 0b11110000;
892 let Inst{7-0} = 0b00000011;
895 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
897 [/* For disassembly only; pattern left blank */]>,
898 Requires<[IsARM, HasV6]> {
903 let Inst{15-12} = Rd;
904 let Inst{19-16} = Rn;
905 let Inst{27-20} = 0b01101000;
906 let Inst{7-4} = 0b1011;
907 let Inst{11-8} = 0b1111;
910 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
911 [/* For disassembly only; pattern left blank */]>,
912 Requires<[IsARM, HasV6T2]> {
913 let Inst{27-16} = 0b001100100000;
914 let Inst{15-8} = 0b11110000;
915 let Inst{7-0} = 0b00000100;
918 // The i32imm operand $val can be used by a debugger to store more information
919 // about the breakpoint.
920 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
921 [/* For disassembly only; pattern left blank */]>,
924 let Inst{3-0} = val{3-0};
925 let Inst{19-8} = val{15-4};
926 let Inst{27-20} = 0b00010010;
927 let Inst{7-4} = 0b0111;
930 // Change Processor State is a system instruction -- for disassembly only.
931 // The singleton $opt operand contains the following information:
932 // opt{4-0} = mode from Inst{4-0}
933 // opt{5} = changemode from Inst{17}
934 // opt{8-6} = AIF from Inst{8-6}
935 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
936 // FIXME: Integrated assembler will need these split out.
937 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
938 [/* For disassembly only; pattern left blank */]>,
940 let Inst{31-28} = 0b1111;
941 let Inst{27-20} = 0b00010000;
946 // Preload signals the memory system of possible future data/instruction access.
947 // These are for disassembly only.
949 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
950 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
951 multiclass APreLoad<bit data, bit read, string opc> {
953 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
954 !strconcat(opc, "\t[$base, $imm]"), []> {
955 let Inst{31-26} = 0b111101;
956 let Inst{25} = 0; // 0 for immediate form
959 let Inst{21-20} = 0b01;
962 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
963 !strconcat(opc, "\t$addr"), []> {
964 let Inst{31-26} = 0b111101;
965 let Inst{25} = 1; // 1 for register form
968 let Inst{21-20} = 0b01;
973 defm PLD : APreLoad<1, 1, "pld">;
974 defm PLDW : APreLoad<1, 0, "pldw">;
975 defm PLI : APreLoad<0, 1, "pli">;
977 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
979 [/* For disassembly only; pattern left blank */]>,
982 let Inst{31-10} = 0b1111000100000001000000;
987 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
988 [/* For disassembly only; pattern left blank */]>,
989 Requires<[IsARM, HasV7]> {
991 let Inst{27-4} = 0b001100100000111100001111;
995 // A5.4 Permanently UNDEFINED instructions.
996 let isBarrier = 1, isTerminator = 1 in
997 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1000 let Inst{27-25} = 0b011;
1001 let Inst{24-20} = 0b11111;
1002 let Inst{7-5} = 0b111;
1006 // Address computation and loads and stores in PIC mode.
1007 // FIXME: These PIC insn patterns are pseudos, but derive from the normal insn
1008 // classes (AXI1, et.al.) and so have encoding information and such,
1009 // which is suboptimal. Once the rest of the code emitter (including
1010 // JIT) is MC-ized we should look at refactoring these into true
1012 let isNotDuplicable = 1 in {
1013 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1014 Pseudo, IIC_iALUr, "",
1015 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1017 let AddedComplexity = 10 in {
1018 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1019 Pseudo, IIC_iLoad_r, "",
1020 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1022 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1023 Pseudo, IIC_iLoad_bh_r, "",
1024 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
1026 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1027 Pseudo, IIC_iLoad_bh_r, "",
1028 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
1030 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1031 Pseudo, IIC_iLoad_bh_r, "",
1032 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
1034 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1035 Pseudo, IIC_iLoad_bh_r, "",
1036 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
1038 let AddedComplexity = 10 in {
1039 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1040 Pseudo, IIC_iStore_r, "",
1041 [(store GPR:$src, addrmodepc:$addr)]>;
1043 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1044 Pseudo, IIC_iStore_bh_r, "",
1045 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1047 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1048 Pseudo, IIC_iStore_bh_r, "",
1049 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1051 } // isNotDuplicable = 1
1054 // LEApcrel - Load a pc-relative address into a register without offending the
1056 // FIXME: These are marked as pseudos, but they're really not(?). They're just
1057 // the ADR instruction. Is this the right way to handle that? They need
1058 // encoding information regardless.
1059 let neverHasSideEffects = 1 in {
1060 let isReMaterializable = 1 in
1061 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
1063 "adr$p\t$dst, #$label", []>;
1065 } // neverHasSideEffects
1066 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
1067 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1069 "adr$p\t$dst, #${label}_${id}", []> {
1073 //===----------------------------------------------------------------------===//
1074 // Control Flow Instructions.
1077 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1079 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1080 "bx", "\tlr", [(ARMretflag)]>,
1081 Requires<[IsARM, HasV4T]> {
1082 let Inst{27-0} = 0b0001001011111111111100011110;
1086 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1087 "mov", "\tpc, lr", [(ARMretflag)]>,
1088 Requires<[IsARM, NoV4T]> {
1089 let Inst{27-0} = 0b0001101000001111000000001110;
1093 // Indirect branches
1094 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1096 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1097 [(brind GPR:$dst)]>,
1098 Requires<[IsARM, HasV4T]> {
1100 let Inst{31-4} = 0b1110000100101111111111110001;
1101 let Inst{3-0} = dst;
1105 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1106 [(brind GPR:$dst)]>,
1107 Requires<[IsARM, NoV4T]> {
1109 let Inst{31-4} = 0b1110000110100000111100000000;
1110 let Inst{3-0} = dst;
1114 // FIXME: remove when we have a way to marking a MI with these properties.
1115 // FIXME: Should pc be an implicit operand like PICADD, etc?
1116 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1117 hasExtraDefRegAllocReq = 1 in
1118 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1119 reglist:$dsts, variable_ops),
1120 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1121 "ldm${addr:submode}${p}\t$addr!, $dsts",
1122 "$addr.addr = $wb", []>;
1124 // On non-Darwin platforms R9 is callee-saved.
1126 Defs = [R0, R1, R2, R3, R12, LR,
1127 D0, D1, D2, D3, D4, D5, D6, D7,
1128 D16, D17, D18, D19, D20, D21, D22, D23,
1129 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1130 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1131 IIC_Br, "bl\t$func",
1132 [(ARMcall tglobaladdr:$func)]>,
1133 Requires<[IsARM, IsNotDarwin]> {
1134 let Inst{31-28} = 0b1110;
1135 // FIXME: Encoding info for $func. Needs fixups bits.
1138 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1139 IIC_Br, "bl", "\t$func",
1140 [(ARMcall_pred tglobaladdr:$func)]>,
1141 Requires<[IsARM, IsNotDarwin]>;
1144 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1145 IIC_Br, "blx\t$func",
1146 [(ARMcall GPR:$func)]>,
1147 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1149 let Inst{27-4} = 0b000100101111111111110011;
1150 let Inst{3-0} = func;
1154 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1155 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1156 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1157 [(ARMcall_nolink tGPR:$func)]>,
1158 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1160 let Inst{27-4} = 0b000100101111111111110001;
1161 let Inst{3-0} = func;
1165 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1166 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1167 [(ARMcall_nolink tGPR:$func)]>,
1168 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1170 let Inst{27-4} = 0b000110100000111100000000;
1171 let Inst{3-0} = func;
1175 // On Darwin R9 is call-clobbered.
1177 Defs = [R0, R1, R2, R3, R9, R12, LR,
1178 D0, D1, D2, D3, D4, D5, D6, D7,
1179 D16, D17, D18, D19, D20, D21, D22, D23,
1180 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1181 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1182 IIC_Br, "bl\t$func",
1183 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1184 let Inst{31-28} = 0b1110;
1185 // FIXME: Encoding info for $func. Needs fixups bits.
1188 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1189 IIC_Br, "bl", "\t$func",
1190 [(ARMcall_pred tglobaladdr:$func)]>,
1191 Requires<[IsARM, IsDarwin]>;
1194 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1195 IIC_Br, "blx\t$func",
1196 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1198 let Inst{27-4} = 0b000100101111111111110011;
1199 let Inst{3-0} = func;
1203 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1204 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1205 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1206 [(ARMcall_nolink tGPR:$func)]>,
1207 Requires<[IsARM, HasV4T, IsDarwin]> {
1209 let Inst{27-4} = 0b000100101111111111110001;
1210 let Inst{3-0} = func;
1214 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1215 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1216 [(ARMcall_nolink tGPR:$func)]>,
1217 Requires<[IsARM, NoV4T, IsDarwin]> {
1219 let Inst{27-4} = 0b000110100000111100000000;
1220 let Inst{3-0} = func;
1226 // FIXME: These should probably be xformed into the non-TC versions of the
1227 // instructions as part of MC lowering.
1228 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1230 let Defs = [R0, R1, R2, R3, R9, R12,
1231 D0, D1, D2, D3, D4, D5, D6, D7,
1232 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1233 D27, D28, D29, D30, D31, PC],
1235 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1237 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1239 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1241 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1243 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1244 IIC_Br, "b\t$dst @ TAILCALL",
1245 []>, Requires<[IsDarwin]>;
1247 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1248 IIC_Br, "b.w\t$dst @ TAILCALL",
1249 []>, Requires<[IsDarwin]>;
1251 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1252 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1253 []>, Requires<[IsDarwin]> {
1255 let Inst{31-4} = 0b1110000100101111111111110001;
1256 let Inst{3-0} = dst;
1260 // Non-Darwin versions (the difference is R9).
1261 let Defs = [R0, R1, R2, R3, R12,
1262 D0, D1, D2, D3, D4, D5, D6, D7,
1263 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1264 D27, D28, D29, D30, D31, PC],
1266 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1268 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1270 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1272 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1274 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1275 IIC_Br, "b\t$dst @ TAILCALL",
1276 []>, Requires<[IsARM, IsNotDarwin]>;
1278 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1279 IIC_Br, "b.w\t$dst @ TAILCALL",
1280 []>, Requires<[IsThumb, IsNotDarwin]>;
1282 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1283 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1284 []>, Requires<[IsNotDarwin]> {
1286 let Inst{31-4} = 0b1110000100101111111111110001;
1287 let Inst{3-0} = dst;
1292 let isBranch = 1, isTerminator = 1 in {
1293 // B is "predicable" since it can be xformed into a Bcc.
1294 let isBarrier = 1 in {
1295 let isPredicable = 1 in
1296 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1297 "b\t$target", [(br bb:$target)]>;
1299 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1300 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1301 IIC_Br, "mov\tpc, $target$jt",
1302 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1303 let Inst{11-4} = 0b00000000;
1304 let Inst{15-12} = 0b1111;
1305 let Inst{20} = 0; // S Bit
1306 let Inst{24-21} = 0b1101;
1307 let Inst{27-25} = 0b000;
1309 def BR_JTm : JTI<(outs),
1310 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1311 IIC_Br, "ldr\tpc, $target$jt",
1312 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1314 let Inst{15-12} = 0b1111;
1315 let Inst{20} = 1; // L bit
1316 let Inst{21} = 0; // W bit
1317 let Inst{22} = 0; // B bit
1318 let Inst{24} = 1; // P bit
1319 let Inst{27-25} = 0b011;
1321 def BR_JTadd : JTI<(outs),
1322 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1323 IIC_Br, "add\tpc, $target, $idx$jt",
1324 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1326 let Inst{15-12} = 0b1111;
1327 let Inst{20} = 0; // S bit
1328 let Inst{24-21} = 0b0100;
1329 let Inst{27-25} = 0b000;
1331 } // isNotDuplicable = 1, isIndirectBranch = 1
1334 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1335 // a two-value operand where a dag node expects two operands. :(
1336 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1337 IIC_Br, "b", "\t$target",
1338 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1341 // Branch and Exchange Jazelle -- for disassembly only
1342 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1343 [/* For disassembly only; pattern left blank */]> {
1344 let Inst{23-20} = 0b0010;
1345 //let Inst{19-8} = 0xfff;
1346 let Inst{7-4} = 0b0010;
1349 // Secure Monitor Call is a system instruction -- for disassembly only
1350 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1351 [/* For disassembly only; pattern left blank */]> {
1353 let Inst{23-4} = 0b01100000000000000111;
1354 let Inst{3-0} = opt;
1357 // Supervisor Call (Software Interrupt) -- for disassembly only
1359 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1360 [/* For disassembly only; pattern left blank */]> {
1362 let Inst{23-0} = svc;
1366 // Store Return State is a system instruction -- for disassembly only
1367 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1368 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1369 [/* For disassembly only; pattern left blank */]> {
1370 let Inst{31-28} = 0b1111;
1371 let Inst{22-20} = 0b110; // W = 1
1374 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1375 NoItinerary, "srs${addr:submode}\tsp, $mode",
1376 [/* For disassembly only; pattern left blank */]> {
1377 let Inst{31-28} = 0b1111;
1378 let Inst{22-20} = 0b100; // W = 0
1381 // Return From Exception is a system instruction -- for disassembly only
1382 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1383 NoItinerary, "rfe${addr:submode}\t$base!",
1384 [/* For disassembly only; pattern left blank */]> {
1385 let Inst{31-28} = 0b1111;
1386 let Inst{22-20} = 0b011; // W = 1
1389 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1390 NoItinerary, "rfe${addr:submode}\t$base",
1391 [/* For disassembly only; pattern left blank */]> {
1392 let Inst{31-28} = 0b1111;
1393 let Inst{22-20} = 0b001; // W = 0
1396 //===----------------------------------------------------------------------===//
1397 // Load / store Instructions.
1403 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_i, IIC_iLoad_r,
1404 UnOpFrag<(load node:$Src)>>;
1405 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_i, IIC_iLoad_bh_r,
1406 UnOpFrag<(zextloadi8 node:$Src)>>;
1408 // Special LDR for loads from non-pc-relative constpools.
1409 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1410 isReMaterializable = 1 in
1411 def LDRcp : AIldr1<0b010, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1412 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr", []> {
1415 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1416 let Inst{19-16} = 0b1111;
1417 let Inst{15-12} = Rt;
1418 let Inst{11-0} = addr{11-0}; // imm12
1421 // Loads with zero extension
1422 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1423 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1424 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1426 // Loads with sign extension
1427 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1428 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1429 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1431 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1432 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1433 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1435 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1437 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1438 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1439 []>, Requires<[IsARM, HasV5TE]>;
1442 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1443 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1444 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1446 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1447 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1448 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1450 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1451 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1452 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1454 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1455 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1456 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1458 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1459 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1460 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1462 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1463 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1464 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1466 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1467 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1468 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1470 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1471 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1472 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1474 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1475 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1476 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1478 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1479 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1480 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1482 // For disassembly only
1483 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1484 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1485 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1486 Requires<[IsARM, HasV5TE]>;
1488 // For disassembly only
1489 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1490 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1491 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1492 Requires<[IsARM, HasV5TE]>;
1494 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1496 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1498 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1499 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1500 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1501 let Inst{21} = 1; // overwrite
1504 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1505 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1506 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1507 let Inst{21} = 1; // overwrite
1510 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1511 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1512 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1513 let Inst{21} = 1; // overwrite
1516 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1517 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1518 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1519 let Inst{21} = 1; // overwrite
1522 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1523 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1524 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1525 let Inst{21} = 1; // overwrite
1529 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStore_r,
1530 "str", "\t$src, $addr",
1531 [(store GPR:$src, addrmode2:$addr)]>;
1533 // Stores with truncate
1534 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1535 IIC_iStore_bh_r, "strh", "\t$src, $addr",
1536 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1538 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
1539 IIC_iStore_bh_r, "strb", "\t$src, $addr",
1540 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1543 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1544 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1545 StMiscFrm, IIC_iStore_d_r,
1546 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1549 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1550 (ins GPR:$src, GPR:$base, am2offset:$offset),
1551 StFrm, IIC_iStore_ru,
1552 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1554 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1556 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1557 (ins GPR:$src, GPR:$base,am2offset:$offset),
1558 StFrm, IIC_iStore_ru,
1559 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1561 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1563 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1564 (ins GPR:$src, GPR:$base,am3offset:$offset),
1565 StMiscFrm, IIC_iStore_ru,
1566 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1568 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1570 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1571 (ins GPR:$src, GPR:$base,am3offset:$offset),
1572 StMiscFrm, IIC_iStore_bh_ru,
1573 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1574 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1575 GPR:$base, am3offset:$offset))]>;
1577 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1578 (ins GPR:$src, GPR:$base,am2offset:$offset),
1579 StFrm, IIC_iStore_bh_ru,
1580 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1581 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1582 GPR:$base, am2offset:$offset))]>;
1584 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1585 (ins GPR:$src, GPR:$base,am2offset:$offset),
1586 StFrm, IIC_iStore_bh_ru,
1587 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1588 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1589 GPR:$base, am2offset:$offset))]>;
1591 // For disassembly only
1592 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1593 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1594 StMiscFrm, IIC_iStore_d_ru,
1595 "strd", "\t$src1, $src2, [$base, $offset]!",
1596 "$base = $base_wb", []>;
1598 // For disassembly only
1599 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1600 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1601 StMiscFrm, IIC_iStore_d_ru,
1602 "strd", "\t$src1, $src2, [$base], $offset",
1603 "$base = $base_wb", []>;
1605 // STRT, STRBT, and STRHT are for disassembly only.
1607 def STRT : AI2stwpo<(outs GPR:$base_wb),
1608 (ins GPR:$src, GPR:$base,am2offset:$offset),
1609 StFrm, IIC_iStore_ru,
1610 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1611 [/* For disassembly only; pattern left blank */]> {
1612 let Inst{21} = 1; // overwrite
1615 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1616 (ins GPR:$src, GPR:$base,am2offset:$offset),
1617 StFrm, IIC_iStore_bh_ru,
1618 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1619 [/* For disassembly only; pattern left blank */]> {
1620 let Inst{21} = 1; // overwrite
1623 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1624 (ins GPR:$src, GPR:$base,am3offset:$offset),
1625 StMiscFrm, IIC_iStore_bh_ru,
1626 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1627 [/* For disassembly only; pattern left blank */]> {
1628 let Inst{21} = 1; // overwrite
1631 //===----------------------------------------------------------------------===//
1632 // Load / store multiple Instructions.
1635 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1636 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1637 reglist:$dsts, variable_ops),
1638 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1639 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1641 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1642 reglist:$dsts, variable_ops),
1643 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1644 "ldm${addr:submode}${p}\t$addr!, $dsts",
1645 "$addr.addr = $wb", []>;
1646 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1648 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1649 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1650 reglist:$srcs, variable_ops),
1651 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1652 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1654 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1655 reglist:$srcs, variable_ops),
1656 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1657 "stm${addr:submode}${p}\t$addr!, $srcs",
1658 "$addr.addr = $wb", []>;
1659 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1661 //===----------------------------------------------------------------------===//
1662 // Move Instructions.
1665 let neverHasSideEffects = 1 in
1666 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1667 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1671 let Inst{11-4} = 0b00000000;
1674 let Inst{15-12} = Rd;
1677 // A version for the smaller set of tail call registers.
1678 let neverHasSideEffects = 1 in
1679 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1680 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1684 let Inst{11-4} = 0b00000000;
1687 let Inst{15-12} = Rd;
1690 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins so_reg:$src),
1691 DPSoRegFrm, IIC_iMOVsr,
1692 "mov", "\t$Rd, $src", [(set GPR:$Rd, so_reg:$src)]>, UnaryDP {
1695 let Inst{15-12} = Rd;
1696 let Inst{11-0} = src;
1700 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1701 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1702 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1706 let Inst{15-12} = Rd;
1707 let Inst{19-16} = 0b0000;
1708 let Inst{11-0} = imm;
1711 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1712 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1714 "movw", "\t$Rd, $imm",
1715 [(set GPR:$Rd, imm0_65535:$imm)]>,
1716 Requires<[IsARM, HasV6T2]>, UnaryDP {
1719 let Inst{15-12} = Rd;
1720 let Inst{11-0} = imm{11-0};
1721 let Inst{19-16} = imm{15-12};
1726 let Constraints = "$src = $Rd" in
1727 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1729 "movt", "\t$Rd, $imm",
1731 (or (and GPR:$src, 0xffff),
1732 lo16AllZero:$imm))]>, UnaryDP,
1733 Requires<[IsARM, HasV6T2]> {
1736 let Inst{15-12} = Rd;
1737 let Inst{11-0} = imm{11-0};
1738 let Inst{19-16} = imm{15-12};
1743 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1744 Requires<[IsARM, HasV6T2]>;
1746 let Uses = [CPSR] in
1747 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
1748 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1751 // These aren't really mov instructions, but we have to define them this way
1752 // due to flag operands.
1754 let Defs = [CPSR] in {
1755 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1756 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1758 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1759 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1763 //===----------------------------------------------------------------------===//
1764 // Extend Instructions.
1769 defm SXTB : AI_ext_rrot<0b01101010,
1770 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1771 defm SXTH : AI_ext_rrot<0b01101011,
1772 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1774 defm SXTAB : AI_exta_rrot<0b01101010,
1775 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1776 defm SXTAH : AI_exta_rrot<0b01101011,
1777 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1779 // For disassembly only
1780 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1782 // For disassembly only
1783 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1787 let AddedComplexity = 16 in {
1788 defm UXTB : AI_ext_rrot<0b01101110,
1789 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1790 defm UXTH : AI_ext_rrot<0b01101111,
1791 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1792 defm UXTB16 : AI_ext_rrot<0b01101100,
1793 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1795 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1796 // The transformation should probably be done as a combiner action
1797 // instead so we can include a check for masking back in the upper
1798 // eight bits of the source into the lower eight bits of the result.
1799 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1800 // (UXTB16r_rot GPR:$Src, 24)>;
1801 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1802 (UXTB16r_rot GPR:$Src, 8)>;
1804 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1805 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1806 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1807 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1810 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1811 // For disassembly only
1812 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1815 def SBFX : I<(outs GPR:$Rd),
1816 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1817 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1818 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1819 Requires<[IsARM, HasV6T2]> {
1824 let Inst{27-21} = 0b0111101;
1825 let Inst{6-4} = 0b101;
1826 let Inst{20-16} = width;
1827 let Inst{15-12} = Rd;
1828 let Inst{11-7} = lsb;
1832 def UBFX : I<(outs GPR:$Rd),
1833 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1834 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1835 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1836 Requires<[IsARM, HasV6T2]> {
1841 let Inst{27-21} = 0b0111111;
1842 let Inst{6-4} = 0b101;
1843 let Inst{20-16} = width;
1844 let Inst{15-12} = Rd;
1845 let Inst{11-7} = lsb;
1849 //===----------------------------------------------------------------------===//
1850 // Arithmetic Instructions.
1853 defm ADD : AsI1_bin_irs<0b0100, "add",
1854 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1855 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1856 defm SUB : AsI1_bin_irs<0b0010, "sub",
1857 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1858 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1860 // ADD and SUB with 's' bit set.
1861 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1862 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1863 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1864 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1865 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1866 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1868 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1869 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1870 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1871 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1872 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1873 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1874 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1875 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1877 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1878 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
1879 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
1884 let Inst{15-12} = Rd;
1885 let Inst{19-16} = Rn;
1886 let Inst{11-0} = imm;
1889 // The reg/reg form is only defined for the disassembler; for codegen it is
1890 // equivalent to SUBrr.
1891 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1892 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
1893 [/* For disassembly only; pattern left blank */]> {
1897 let Inst{11-4} = 0b00000000;
1900 let Inst{15-12} = Rd;
1901 let Inst{19-16} = Rn;
1904 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1905 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
1906 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
1911 let Inst{11-0} = shift;
1912 let Inst{15-12} = Rd;
1913 let Inst{19-16} = Rn;
1916 // RSB with 's' bit set.
1917 let Defs = [CPSR] in {
1918 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1919 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
1920 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
1926 let Inst{15-12} = Rd;
1927 let Inst{19-16} = Rn;
1928 let Inst{11-0} = imm;
1930 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1931 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
1932 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
1938 let Inst{11-0} = shift;
1939 let Inst{15-12} = Rd;
1940 let Inst{19-16} = Rn;
1944 let Uses = [CPSR] in {
1945 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1946 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
1947 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
1953 let Inst{15-12} = Rd;
1954 let Inst{19-16} = Rn;
1955 let Inst{11-0} = imm;
1957 // The reg/reg form is only defined for the disassembler; for codegen it is
1958 // equivalent to SUBrr.
1959 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1960 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
1961 [/* For disassembly only; pattern left blank */]> {
1965 let Inst{11-4} = 0b00000000;
1968 let Inst{15-12} = Rd;
1969 let Inst{19-16} = Rn;
1971 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1972 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
1973 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
1979 let Inst{11-0} = shift;
1980 let Inst{15-12} = Rd;
1981 let Inst{19-16} = Rn;
1985 // FIXME: Allow these to be predicated.
1986 let Defs = [CPSR], Uses = [CPSR] in {
1987 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1988 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
1989 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
1996 let Inst{15-12} = Rd;
1997 let Inst{19-16} = Rn;
1998 let Inst{11-0} = imm;
2000 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2001 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2002 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2009 let Inst{11-0} = shift;
2010 let Inst{15-12} = Rd;
2011 let Inst{19-16} = Rn;
2015 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2016 // The assume-no-carry-in form uses the negation of the input since add/sub
2017 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2018 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2020 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2021 (SUBri GPR:$src, so_imm_neg:$imm)>;
2022 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2023 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2024 // The with-carry-in form matches bitwise not instead of the negation.
2025 // Effectively, the inverse interpretation of the carry flag already accounts
2026 // for part of the negation.
2027 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2028 (SBCri GPR:$src, so_imm_not:$imm)>;
2030 // Note: These are implemented in C++ code, because they have to generate
2031 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2033 // (mul X, 2^n+1) -> (add (X << n), X)
2034 // (mul X, 2^n-1) -> (rsb X, (X << n))
2036 // ARM Arithmetic Instruction -- for disassembly only
2037 // GPR:$dst = GPR:$a op GPR:$b
2038 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2039 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2040 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2041 opc, "\t$Rd, $Rn, $Rm", pattern> {
2045 let Inst{27-20} = op27_20;
2046 let Inst{11-4} = op11_4;
2047 let Inst{19-16} = Rn;
2048 let Inst{15-12} = Rd;
2052 // Saturating add/subtract -- for disassembly only
2054 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2055 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2056 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2057 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2058 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2059 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2061 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2062 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2063 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2064 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2065 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2066 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2067 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2068 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2069 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2070 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2071 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2072 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2074 // Signed/Unsigned add/subtract -- for disassembly only
2076 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2077 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2078 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2079 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2080 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2081 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2082 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2083 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2084 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2085 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2086 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2087 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2089 // Signed/Unsigned halving add/subtract -- for disassembly only
2091 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2092 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2093 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2094 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2095 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2096 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2097 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2098 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2099 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2100 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2101 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2102 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2104 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2106 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2107 MulFrm /* for convenience */, NoItinerary, "usad8",
2108 "\t$Rd, $Rn, $Rm", []>,
2109 Requires<[IsARM, HasV6]> {
2113 let Inst{27-20} = 0b01111000;
2114 let Inst{15-12} = 0b1111;
2115 let Inst{7-4} = 0b0001;
2116 let Inst{19-16} = Rd;
2117 let Inst{11-8} = Rm;
2120 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2121 MulFrm /* for convenience */, NoItinerary, "usada8",
2122 "\t$Rd, $Rn, $Rm, $Ra", []>,
2123 Requires<[IsARM, HasV6]> {
2128 let Inst{27-20} = 0b01111000;
2129 let Inst{7-4} = 0b0001;
2130 let Inst{19-16} = Rd;
2131 let Inst{15-12} = Ra;
2132 let Inst{11-8} = Rm;
2136 // Signed/Unsigned saturate -- for disassembly only
2138 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2139 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2140 [/* For disassembly only; pattern left blank */]> {
2145 let Inst{27-21} = 0b0110101;
2146 let Inst{5-4} = 0b01;
2147 let Inst{20-16} = sat_imm;
2148 let Inst{15-12} = Rd;
2149 let Inst{11-7} = sh{7-3};
2150 let Inst{6} = sh{0};
2154 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2155 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2156 [/* For disassembly only; pattern left blank */]> {
2160 let Inst{27-20} = 0b01101010;
2161 let Inst{11-4} = 0b11110011;
2162 let Inst{15-12} = Rd;
2163 let Inst{19-16} = sat_imm;
2167 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2168 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2169 [/* For disassembly only; pattern left blank */]> {
2174 let Inst{27-21} = 0b0110111;
2175 let Inst{5-4} = 0b01;
2176 let Inst{15-12} = Rd;
2177 let Inst{11-7} = sh{7-3};
2178 let Inst{6} = sh{0};
2179 let Inst{20-16} = sat_imm;
2183 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2184 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2185 [/* For disassembly only; pattern left blank */]> {
2189 let Inst{27-20} = 0b01101110;
2190 let Inst{11-4} = 0b11110011;
2191 let Inst{15-12} = Rd;
2192 let Inst{19-16} = sat_imm;
2196 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2197 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2199 //===----------------------------------------------------------------------===//
2200 // Bitwise Instructions.
2203 defm AND : AsI1_bin_irs<0b0000, "and",
2204 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2205 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2206 defm ORR : AsI1_bin_irs<0b1100, "orr",
2207 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2208 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2209 defm EOR : AsI1_bin_irs<0b0001, "eor",
2210 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2211 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2212 defm BIC : AsI1_bin_irs<0b1110, "bic",
2213 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2214 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2216 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2217 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2218 "bfc", "\t$Rd, $imm", "$src = $Rd",
2219 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2220 Requires<[IsARM, HasV6T2]> {
2223 let Inst{27-21} = 0b0111110;
2224 let Inst{6-0} = 0b0011111;
2225 let Inst{15-12} = Rd;
2226 let Inst{11-7} = imm{4-0}; // lsb
2227 let Inst{20-16} = imm{9-5}; // width
2230 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2231 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2232 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2233 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2234 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2235 bf_inv_mask_imm:$imm))]>,
2236 Requires<[IsARM, HasV6T2]> {
2240 let Inst{27-21} = 0b0111110;
2241 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2242 let Inst{15-12} = Rd;
2243 let Inst{11-7} = imm{4-0}; // lsb
2244 let Inst{20-16} = imm{9-5}; // width
2248 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2249 "mvn", "\t$Rd, $Rm",
2250 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2254 let Inst{19-16} = 0b0000;
2255 let Inst{11-4} = 0b00000000;
2256 let Inst{15-12} = Rd;
2259 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2260 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2261 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2266 let Inst{19-16} = 0b0000;
2267 let Inst{15-12} = Rd;
2268 let Inst{11-0} = shift;
2270 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
2271 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2272 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2273 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2278 let Inst{19-16} = 0b0000;
2279 let Inst{15-12} = Rd;
2280 let Inst{11-0} = imm;
2283 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2284 (BICri GPR:$src, so_imm_not:$imm)>;
2286 //===----------------------------------------------------------------------===//
2287 // Multiply Instructions.
2289 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2290 string opc, string asm, list<dag> pattern>
2291 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2295 let Inst{19-16} = Rd;
2296 let Inst{11-8} = Rm;
2299 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2300 string opc, string asm, list<dag> pattern>
2301 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2306 let Inst{19-16} = RdHi;
2307 let Inst{15-12} = RdLo;
2308 let Inst{11-8} = Rm;
2312 let isCommutable = 1 in
2313 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2314 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2315 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2317 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2318 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2319 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2321 let Inst{15-12} = Ra;
2324 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2325 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2326 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2327 Requires<[IsARM, HasV6T2]> {
2331 let Inst{19-16} = Rd;
2332 let Inst{11-8} = Rm;
2336 // Extra precision multiplies with low / high results
2338 let neverHasSideEffects = 1 in {
2339 let isCommutable = 1 in {
2340 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2341 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2342 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2344 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2345 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2346 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2349 // Multiply + accumulate
2350 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2351 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2352 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2354 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2355 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2356 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2358 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2359 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2360 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2361 Requires<[IsARM, HasV6]> {
2366 let Inst{19-16} = RdLo;
2367 let Inst{15-12} = RdHi;
2368 let Inst{11-8} = Rm;
2371 } // neverHasSideEffects
2373 // Most significant word multiply
2374 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2375 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2376 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2377 Requires<[IsARM, HasV6]> {
2378 let Inst{15-12} = 0b1111;
2381 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2382 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2383 [/* For disassembly only; pattern left blank */]>,
2384 Requires<[IsARM, HasV6]> {
2385 let Inst{15-12} = 0b1111;
2388 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2389 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2390 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2391 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2392 Requires<[IsARM, HasV6]>;
2394 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2395 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2396 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2397 [/* For disassembly only; pattern left blank */]>,
2398 Requires<[IsARM, HasV6]>;
2400 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2401 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2402 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2403 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2404 Requires<[IsARM, HasV6]>;
2406 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2407 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2408 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2409 [/* For disassembly only; pattern left blank */]>,
2410 Requires<[IsARM, HasV6]>;
2412 multiclass AI_smul<string opc, PatFrag opnode> {
2413 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2414 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2415 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2416 (sext_inreg GPR:$Rm, i16)))]>,
2417 Requires<[IsARM, HasV5TE]>;
2419 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2420 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2421 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2422 (sra GPR:$Rm, (i32 16))))]>,
2423 Requires<[IsARM, HasV5TE]>;
2425 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2426 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2427 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2428 (sext_inreg GPR:$Rm, i16)))]>,
2429 Requires<[IsARM, HasV5TE]>;
2431 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2432 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2433 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2434 (sra GPR:$Rm, (i32 16))))]>,
2435 Requires<[IsARM, HasV5TE]>;
2437 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2438 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2439 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2440 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2441 Requires<[IsARM, HasV5TE]>;
2443 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2444 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2445 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2446 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2447 Requires<[IsARM, HasV5TE]>;
2451 multiclass AI_smla<string opc, PatFrag opnode> {
2452 def BB : AMulxyI<0b0001000, 0b00, (outs GPR:$Rd),
2453 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2454 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2455 [(set GPR:$Rd, (add GPR:$Ra,
2456 (opnode (sext_inreg GPR:$Rn, i16),
2457 (sext_inreg GPR:$Rm, i16))))]>,
2458 Requires<[IsARM, HasV5TE]>;
2460 def BT : AMulxyI<0b0001000, 0b10, (outs GPR:$Rd),
2461 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2462 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2463 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2464 (sra GPR:$Rm, (i32 16)))))]>,
2465 Requires<[IsARM, HasV5TE]>;
2467 def TB : AMulxyI<0b0001000, 0b01, (outs GPR:$Rd),
2468 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2469 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2470 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2471 (sext_inreg GPR:$Rm, i16))))]>,
2472 Requires<[IsARM, HasV5TE]>;
2474 def TT : AMulxyI<0b0001000, 0b11, (outs GPR:$Rd),
2475 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2476 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2477 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2478 (sra GPR:$Rm, (i32 16)))))]>,
2479 Requires<[IsARM, HasV5TE]>;
2481 def WB : AMulxyI<0b0001001, 0b00, (outs GPR:$Rd),
2482 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2483 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2484 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2485 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2486 Requires<[IsARM, HasV5TE]>;
2488 def WT : AMulxyI<0b0001001, 0b10, (outs GPR:$Rd),
2489 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2490 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2491 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2492 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2493 Requires<[IsARM, HasV5TE]>;
2496 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2497 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2499 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2500 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2501 (ins GPR:$Rn, GPR:$Rm),
2502 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2503 [/* For disassembly only; pattern left blank */]>,
2504 Requires<[IsARM, HasV5TE]>;
2506 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2507 (ins GPR:$Rn, GPR:$Rm),
2508 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2509 [/* For disassembly only; pattern left blank */]>,
2510 Requires<[IsARM, HasV5TE]>;
2512 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2513 (ins GPR:$Rn, GPR:$Rm),
2514 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2515 [/* For disassembly only; pattern left blank */]>,
2516 Requires<[IsARM, HasV5TE]>;
2518 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2519 (ins GPR:$Rn, GPR:$Rm),
2520 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2521 [/* For disassembly only; pattern left blank */]>,
2522 Requires<[IsARM, HasV5TE]>;
2524 // Helper class for AI_smld -- for disassembly only
2525 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2526 InstrItinClass itin, string opc, string asm>
2527 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2534 let Inst{21-20} = 0b00;
2535 let Inst{22} = long;
2536 let Inst{27-23} = 0b01110;
2537 let Inst{11-8} = Rm;
2540 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2541 InstrItinClass itin, string opc, string asm>
2542 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2544 let Inst{15-12} = 0b1111;
2545 let Inst{19-16} = Rd;
2547 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2548 InstrItinClass itin, string opc, string asm>
2549 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2551 let Inst{15-12} = Ra;
2553 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2554 InstrItinClass itin, string opc, string asm>
2555 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2558 let Inst{19-16} = RdHi;
2559 let Inst{15-12} = RdLo;
2562 multiclass AI_smld<bit sub, string opc> {
2564 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2565 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2567 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2568 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2570 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2571 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2572 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2574 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2575 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2576 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2580 defm SMLA : AI_smld<0, "smla">;
2581 defm SMLS : AI_smld<1, "smls">;
2583 multiclass AI_sdml<bit sub, string opc> {
2585 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2586 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2587 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2588 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2591 defm SMUA : AI_sdml<0, "smua">;
2592 defm SMUS : AI_sdml<1, "smus">;
2594 //===----------------------------------------------------------------------===//
2595 // Misc. Arithmetic Instructions.
2598 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2599 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2600 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2602 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2603 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2604 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2605 Requires<[IsARM, HasV6T2]>;
2607 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2608 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2609 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2611 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2612 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2614 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2615 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2616 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2617 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2618 Requires<[IsARM, HasV6]>;
2620 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2621 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2624 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2625 (shl GPR:$Rm, (i32 8))), i16))]>,
2626 Requires<[IsARM, HasV6]>;
2628 def lsl_shift_imm : SDNodeXForm<imm, [{
2629 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2630 return CurDAG->getTargetConstant(Sh, MVT::i32);
2633 def lsl_amt : PatLeaf<(i32 imm), [{
2634 return (N->getZExtValue() < 32);
2637 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2638 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2639 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2640 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2641 (and (shl GPR:$Rm, lsl_amt:$sh),
2643 Requires<[IsARM, HasV6]>;
2645 // Alternate cases for PKHBT where identities eliminate some nodes.
2646 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2647 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2648 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2649 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2651 def asr_shift_imm : SDNodeXForm<imm, [{
2652 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2653 return CurDAG->getTargetConstant(Sh, MVT::i32);
2656 def asr_amt : PatLeaf<(i32 imm), [{
2657 return (N->getZExtValue() <= 32);
2660 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2661 // will match the pattern below.
2662 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2663 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2664 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2665 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2666 (and (sra GPR:$Rm, asr_amt:$sh),
2668 Requires<[IsARM, HasV6]>;
2670 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2671 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2672 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2673 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2674 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2675 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2676 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2678 //===----------------------------------------------------------------------===//
2679 // Comparison Instructions...
2682 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2683 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2684 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2686 // FIXME: We have to be careful when using the CMN instruction and comparison
2687 // with 0. One would expect these two pieces of code should give identical
2703 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2704 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2705 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2706 // value of r0 and the carry bit (because the "carry bit" parameter to
2707 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2708 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2709 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2710 // parameter to AddWithCarry is defined as 0).
2712 // When x is 0 and unsigned:
2716 // ~x + 1 = 0x1 0000 0000
2717 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2719 // Therefore, we should disable CMN when comparing against zero, until we can
2720 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2721 // when it's a comparison which doesn't look at the 'carry' flag).
2723 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2725 // This is related to <rdar://problem/7569620>.
2727 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2728 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2730 // Note that TST/TEQ don't set all the same flags that CMP does!
2731 defm TST : AI1_cmp_irs<0b1000, "tst",
2732 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2733 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2734 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2735 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2736 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2738 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2739 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2740 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2741 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2742 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2743 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2745 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2746 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2748 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2749 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2751 // Pseudo i64 compares for some floating point compares.
2752 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2754 def BCCi64 : PseudoInst<(outs),
2755 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2757 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2759 def BCCZi64 : PseudoInst<(outs),
2760 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2761 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2762 } // usesCustomInserter
2765 // Conditional moves
2766 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2767 // a two-value operand where a dag node expects two operands. :(
2768 // FIXME: These should all be pseudo-instructions that get expanded to
2769 // the normal MOV instructions. That would fix the dependency on
2770 // special casing them in tblgen.
2771 let neverHasSideEffects = 1 in {
2772 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2773 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2774 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2775 RegConstraint<"$false = $Rd">, UnaryDP {
2779 let Inst{11-4} = 0b00000000;
2782 let Inst{15-12} = Rd;
2783 let Inst{11-4} = 0b00000000;
2787 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2788 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2789 "mov", "\t$dst, $true",
2790 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2791 RegConstraint<"$false = $dst">, UnaryDP {
2795 def MOVCCi16 : AI1<0b1000, (outs GPR:$dst), (ins GPR:$false, i32imm:$src),
2797 "movw", "\t$dst, $src",
2799 RegConstraint<"$false = $dst">, Requires<[IsARM, HasV6T2]>,
2805 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2806 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2807 "mov", "\t$dst, $true",
2808 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2809 RegConstraint<"$false = $dst">, UnaryDP {
2812 } // neverHasSideEffects
2814 //===----------------------------------------------------------------------===//
2815 // Atomic operations intrinsics
2818 // memory barriers protect the atomic sequences
2819 let hasSideEffects = 1 in {
2820 def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
2821 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2822 let Inst{31-4} = 0xf57ff05;
2823 // FIXME: add support for options other than a full system DMB
2824 // See DMB disassembly-only variants below.
2825 let Inst{3-0} = 0b1111;
2828 def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
2829 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2830 let Inst{31-4} = 0xf57ff04;
2831 // FIXME: add support for options other than a full system DSB
2832 // See DSB disassembly-only variants below.
2833 let Inst{3-0} = 0b1111;
2836 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2837 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2838 [(ARMMemBarrierMCR GPR:$zero)]>,
2839 Requires<[IsARM, HasV6]> {
2840 // FIXME: add support for options other than a full system DMB
2841 // FIXME: add encoding
2844 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2845 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2846 [(ARMSyncBarrierMCR GPR:$zero)]>,
2847 Requires<[IsARM, HasV6]> {
2848 // FIXME: add support for options other than a full system DSB
2849 // FIXME: add encoding
2853 // Memory Barrier Operations Variants -- for disassembly only
2855 def memb_opt : Operand<i32> {
2856 let PrintMethod = "printMemBOption";
2859 class AMBI<bits<4> op7_4, string opc>
2860 : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
2861 [/* For disassembly only; pattern left blank */]>,
2862 Requires<[IsARM, HasDB]> {
2863 let Inst{31-8} = 0xf57ff0;
2864 let Inst{7-4} = op7_4;
2867 // These DMB variants are for disassembly only.
2868 def DMBvar : AMBI<0b0101, "dmb">;
2870 // These DSB variants are for disassembly only.
2871 def DSBvar : AMBI<0b0100, "dsb">;
2873 // ISB has only full system option -- for disassembly only
2874 def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2875 Requires<[IsARM, HasDB]> {
2876 let Inst{31-4} = 0xf57ff06;
2877 let Inst{3-0} = 0b1111;
2880 let usesCustomInserter = 1 in {
2881 let Uses = [CPSR] in {
2882 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2883 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2884 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2885 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2886 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2887 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2888 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2889 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2890 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2891 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2892 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2893 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2894 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2895 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2896 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2897 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2898 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2899 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2900 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2901 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2902 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2903 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2904 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2905 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2906 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2907 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2908 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2909 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2910 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2911 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2912 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2913 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2914 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2915 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2916 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2917 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2918 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2919 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2920 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2921 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2922 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2923 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2924 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2925 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2926 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2927 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2928 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2929 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2930 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2931 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2932 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2933 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2934 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2935 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2937 def ATOMIC_SWAP_I8 : PseudoInst<
2938 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2939 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2940 def ATOMIC_SWAP_I16 : PseudoInst<
2941 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2942 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2943 def ATOMIC_SWAP_I32 : PseudoInst<
2944 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2945 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2947 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2948 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2949 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2950 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2951 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2952 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2953 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2954 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2955 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2959 let mayLoad = 1 in {
2960 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2961 "ldrexb", "\t$dest, [$ptr]",
2963 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2964 "ldrexh", "\t$dest, [$ptr]",
2966 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2967 "ldrex", "\t$dest, [$ptr]",
2969 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2971 "ldrexd", "\t$dest, $dest2, [$ptr]",
2975 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2976 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2978 "strexb", "\t$success, $src, [$ptr]",
2980 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2982 "strexh", "\t$success, $src, [$ptr]",
2984 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2986 "strex", "\t$success, $src, [$ptr]",
2988 def STREXD : AIstrex<0b01, (outs GPR:$success),
2989 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2991 "strexd", "\t$success, $src, $src2, [$ptr]",
2995 // Clear-Exclusive is for disassembly only.
2996 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2997 [/* For disassembly only; pattern left blank */]>,
2998 Requires<[IsARM, HasV7]> {
2999 let Inst{31-20} = 0xf57;
3000 let Inst{7-4} = 0b0001;
3003 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3004 let mayLoad = 1 in {
3005 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
3006 "swp", "\t$dst, $src, [$ptr]",
3007 [/* For disassembly only; pattern left blank */]> {
3008 let Inst{27-23} = 0b00010;
3009 let Inst{22} = 0; // B = 0
3010 let Inst{21-20} = 0b00;
3011 let Inst{7-4} = 0b1001;
3014 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
3015 "swpb", "\t$dst, $src, [$ptr]",
3016 [/* For disassembly only; pattern left blank */]> {
3017 let Inst{27-23} = 0b00010;
3018 let Inst{22} = 1; // B = 1
3019 let Inst{21-20} = 0b00;
3020 let Inst{7-4} = 0b1001;
3024 //===----------------------------------------------------------------------===//
3028 // __aeabi_read_tp preserves the registers r1-r3.
3030 Defs = [R0, R12, LR, CPSR] in {
3031 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3032 "bl\t__aeabi_read_tp",
3033 [(set R0, ARMthread_pointer)]>;
3036 //===----------------------------------------------------------------------===//
3037 // SJLJ Exception handling intrinsics
3038 // eh_sjlj_setjmp() is an instruction sequence to store the return
3039 // address and save #0 in R0 for the non-longjmp case.
3040 // Since by its nature we may be coming from some other function to get
3041 // here, and we're using the stack frame for the containing function to
3042 // save/restore registers, we can't keep anything live in regs across
3043 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3044 // when we get here from a longjmp(). We force everthing out of registers
3045 // except for our own input by listing the relevant registers in Defs. By
3046 // doing so, we also cause the prologue/epilogue code to actively preserve
3047 // all of the callee-saved resgisters, which is exactly what we want.
3048 // A constant value is passed in $val, and we use the location as a scratch.
3050 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3051 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3052 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3053 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3054 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3055 AddrModeNone, SizeSpecial, IndexModeNone,
3056 Pseudo, NoItinerary, "", "",
3057 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3058 Requires<[IsARM, HasVFP2]>;
3062 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3063 hasSideEffects = 1, isBarrier = 1 in {
3064 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3065 AddrModeNone, SizeSpecial, IndexModeNone,
3066 Pseudo, NoItinerary, "", "",
3067 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3068 Requires<[IsARM, NoVFP]>;
3071 // FIXME: Non-Darwin version(s)
3072 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3073 Defs = [ R7, LR, SP ] in {
3074 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3075 AddrModeNone, SizeSpecial, IndexModeNone,
3076 Pseudo, NoItinerary, "", "",
3077 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3078 Requires<[IsARM, IsDarwin]>;
3081 // eh.sjlj.dispatchsetup pseudo-instruction.
3082 // This pseudo is usef for ARM, Thumb1 and Thumb2. Any differences are
3083 // handled when the pseudo is expanded (which happens before any passes
3084 // that need the instruction size).
3085 let isBarrier = 1, hasSideEffects = 1 in
3086 def Int_eh_sjlj_dispatchsetup :
3087 PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
3088 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3089 Requires<[IsDarwin]>;
3091 //===----------------------------------------------------------------------===//
3092 // Non-Instruction Patterns
3095 // Large immediate handling.
3097 // Two piece so_imms.
3098 // FIXME: Expand this in ARMExpandPseudoInsts.
3099 // FIXME: Remove this when we can do generalized remat.
3100 let isReMaterializable = 1 in
3101 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
3102 Pseudo, IIC_iMOVix2,
3103 "mov", "\t$dst, $src",
3104 [(set GPR:$dst, so_imm2part:$src)]>,
3105 Requires<[IsARM, NoV6T2]>;
3107 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
3108 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3109 (so_imm2part_2 imm:$RHS))>;
3110 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
3111 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3112 (so_imm2part_2 imm:$RHS))>;
3113 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
3114 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3115 (so_imm2part_2 imm:$RHS))>;
3116 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
3117 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
3118 (so_neg_imm2part_2 imm:$RHS))>;
3120 // 32-bit immediate using movw + movt.
3121 // This is a single pseudo instruction, the benefit is that it can be remat'd
3122 // as a single unit instead of having to handle reg inputs.
3123 // FIXME: Remove this when we can do generalized remat.
3124 let isReMaterializable = 1 in
3125 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
3126 [(set GPR:$dst, (i32 imm:$src))]>,
3127 Requires<[IsARM, HasV6T2]>;
3129 // ConstantPool, GlobalAddress, and JumpTable
3130 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3131 Requires<[IsARM, DontUseMovt]>;
3132 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3133 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3134 Requires<[IsARM, UseMovt]>;
3135 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3136 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3138 // TODO: add,sub,and, 3-instr forms?
3141 def : ARMPat<(ARMtcret tcGPR:$dst),
3142 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3144 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3145 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3147 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3148 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3150 def : ARMPat<(ARMtcret tcGPR:$dst),
3151 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3153 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3154 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3156 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3157 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3160 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3161 Requires<[IsARM, IsNotDarwin]>;
3162 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3163 Requires<[IsARM, IsDarwin]>;
3165 // zextload i1 -> zextload i8
3166 //def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
3167 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3168 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3170 // extload -> zextload
3171 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3172 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3173 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3174 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3176 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3178 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3179 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3182 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3183 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3184 (SMULBB GPR:$a, GPR:$b)>;
3185 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3186 (SMULBB GPR:$a, GPR:$b)>;
3187 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3188 (sra GPR:$b, (i32 16))),
3189 (SMULBT GPR:$a, GPR:$b)>;
3190 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3191 (SMULBT GPR:$a, GPR:$b)>;
3192 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3193 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3194 (SMULTB GPR:$a, GPR:$b)>;
3195 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3196 (SMULTB GPR:$a, GPR:$b)>;
3197 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3199 (SMULWB GPR:$a, GPR:$b)>;
3200 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3201 (SMULWB GPR:$a, GPR:$b)>;
3203 def : ARMV5TEPat<(add GPR:$acc,
3204 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3205 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3206 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3207 def : ARMV5TEPat<(add GPR:$acc,
3208 (mul sext_16_node:$a, sext_16_node:$b)),
3209 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3210 def : ARMV5TEPat<(add GPR:$acc,
3211 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3212 (sra GPR:$b, (i32 16)))),
3213 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3214 def : ARMV5TEPat<(add GPR:$acc,
3215 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3216 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3217 def : ARMV5TEPat<(add GPR:$acc,
3218 (mul (sra GPR:$a, (i32 16)),
3219 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3220 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3221 def : ARMV5TEPat<(add GPR:$acc,
3222 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3223 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3224 def : ARMV5TEPat<(add GPR:$acc,
3225 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3227 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3228 def : ARMV5TEPat<(add GPR:$acc,
3229 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3230 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3232 //===----------------------------------------------------------------------===//
3236 include "ARMInstrThumb.td"
3238 //===----------------------------------------------------------------------===//
3242 include "ARMInstrThumb2.td"
3244 //===----------------------------------------------------------------------===//
3245 // Floating Point Support
3248 include "ARMInstrVFP.td"
3250 //===----------------------------------------------------------------------===//
3251 // Advanced SIMD (NEON) Support
3254 include "ARMInstrNEON.td"
3256 //===----------------------------------------------------------------------===//
3257 // Coprocessor Instructions. For disassembly only.
3260 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3261 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3262 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3263 [/* For disassembly only; pattern left blank */]> {
3267 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3268 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3269 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3270 [/* For disassembly only; pattern left blank */]> {
3271 let Inst{31-28} = 0b1111;
3275 class ACI<dag oops, dag iops, string opc, string asm>
3276 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3277 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3278 let Inst{27-25} = 0b110;
3281 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3283 def _OFFSET : ACI<(outs),
3284 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3285 opc, "\tp$cop, cr$CRd, $addr"> {
3286 let Inst{31-28} = op31_28;
3287 let Inst{24} = 1; // P = 1
3288 let Inst{21} = 0; // W = 0
3289 let Inst{22} = 0; // D = 0
3290 let Inst{20} = load;
3293 def _PRE : ACI<(outs),
3294 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3295 opc, "\tp$cop, cr$CRd, $addr!"> {
3296 let Inst{31-28} = op31_28;
3297 let Inst{24} = 1; // P = 1
3298 let Inst{21} = 1; // W = 1
3299 let Inst{22} = 0; // D = 0
3300 let Inst{20} = load;
3303 def _POST : ACI<(outs),
3304 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3305 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3306 let Inst{31-28} = op31_28;
3307 let Inst{24} = 0; // P = 0
3308 let Inst{21} = 1; // W = 1
3309 let Inst{22} = 0; // D = 0
3310 let Inst{20} = load;
3313 def _OPTION : ACI<(outs),
3314 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3315 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3316 let Inst{31-28} = op31_28;
3317 let Inst{24} = 0; // P = 0
3318 let Inst{23} = 1; // U = 1
3319 let Inst{21} = 0; // W = 0
3320 let Inst{22} = 0; // D = 0
3321 let Inst{20} = load;
3324 def L_OFFSET : ACI<(outs),
3325 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3326 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3327 let Inst{31-28} = op31_28;
3328 let Inst{24} = 1; // P = 1
3329 let Inst{21} = 0; // W = 0
3330 let Inst{22} = 1; // D = 1
3331 let Inst{20} = load;
3334 def L_PRE : ACI<(outs),
3335 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3336 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3337 let Inst{31-28} = op31_28;
3338 let Inst{24} = 1; // P = 1
3339 let Inst{21} = 1; // W = 1
3340 let Inst{22} = 1; // D = 1
3341 let Inst{20} = load;
3344 def L_POST : ACI<(outs),
3345 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3346 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3347 let Inst{31-28} = op31_28;
3348 let Inst{24} = 0; // P = 0
3349 let Inst{21} = 1; // W = 1
3350 let Inst{22} = 1; // D = 1
3351 let Inst{20} = load;
3354 def L_OPTION : ACI<(outs),
3355 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3356 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3357 let Inst{31-28} = op31_28;
3358 let Inst{24} = 0; // P = 0
3359 let Inst{23} = 1; // U = 1
3360 let Inst{21} = 0; // W = 0
3361 let Inst{22} = 1; // D = 1
3362 let Inst{20} = load;
3366 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3367 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3368 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3369 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3371 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3372 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3373 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3374 [/* For disassembly only; pattern left blank */]> {
3379 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3380 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3381 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3382 [/* For disassembly only; pattern left blank */]> {
3383 let Inst{31-28} = 0b1111;
3388 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3389 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3390 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3391 [/* For disassembly only; pattern left blank */]> {
3396 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3397 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3398 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3399 [/* For disassembly only; pattern left blank */]> {
3400 let Inst{31-28} = 0b1111;
3405 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3406 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3407 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3408 [/* For disassembly only; pattern left blank */]> {
3409 let Inst{23-20} = 0b0100;
3412 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3413 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3414 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3415 [/* For disassembly only; pattern left blank */]> {
3416 let Inst{31-28} = 0b1111;
3417 let Inst{23-20} = 0b0100;
3420 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3421 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3422 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3423 [/* For disassembly only; pattern left blank */]> {
3424 let Inst{23-20} = 0b0101;
3427 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3428 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3429 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3430 [/* For disassembly only; pattern left blank */]> {
3431 let Inst{31-28} = 0b1111;
3432 let Inst{23-20} = 0b0101;
3435 //===----------------------------------------------------------------------===//
3436 // Move between special register and ARM core register -- for disassembly only
3439 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3440 [/* For disassembly only; pattern left blank */]> {
3441 let Inst{23-20} = 0b0000;
3442 let Inst{7-4} = 0b0000;
3445 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3446 [/* For disassembly only; pattern left blank */]> {
3447 let Inst{23-20} = 0b0100;
3448 let Inst{7-4} = 0b0000;
3451 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3452 "msr", "\tcpsr$mask, $src",
3453 [/* For disassembly only; pattern left blank */]> {
3454 let Inst{23-20} = 0b0010;
3455 let Inst{7-4} = 0b0000;
3458 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3459 "msr", "\tcpsr$mask, $a",
3460 [/* For disassembly only; pattern left blank */]> {
3461 let Inst{23-20} = 0b0010;
3462 let Inst{7-4} = 0b0000;
3465 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3466 "msr", "\tspsr$mask, $src",
3467 [/* For disassembly only; pattern left blank */]> {
3468 let Inst{23-20} = 0b0110;
3469 let Inst{7-4} = 0b0000;
3472 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3473 "msr", "\tspsr$mask, $a",
3474 [/* For disassembly only; pattern left blank */]> {
3475 let Inst{23-20} = 0b0110;
3476 let Inst{7-4} = 0b0000;