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, 1, [SDTCisInt<0>]>;
65 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
67 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
68 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
71 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
72 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
73 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
74 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
76 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
77 [SDNPHasChain, SDNPOutGlue]>;
78 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
79 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
81 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
82 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
84 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
85 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
87 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
88 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
91 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
92 [SDNPHasChain, SDNPOptInGlue]>;
94 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
96 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
99 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
100 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
102 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
104 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
107 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
110 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
113 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
114 [SDNPOutGlue, SDNPCommutative]>;
116 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
118 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
119 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
120 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
122 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
123 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
124 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
125 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
126 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
127 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
128 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
131 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
133 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
135 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDTPrefetch,
136 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
138 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
140 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
141 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
144 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
146 //===----------------------------------------------------------------------===//
147 // ARM Instruction Predicate Definitions.
149 def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
150 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
151 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
152 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
153 def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
154 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
155 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
156 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
157 def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
158 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
159 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
160 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
161 def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
162 def HasFP16 : Predicate<"Subtarget->hasFP16()">, AssemblerPredicate;
163 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
164 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
166 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
168 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
170 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
171 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
172 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
173 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
174 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
175 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
176 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
177 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
179 // FIXME: Eventually this will be just "hasV6T2Ops".
180 def UseMovt : Predicate<"Subtarget->useMovt()">;
181 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
182 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
184 //===----------------------------------------------------------------------===//
185 // ARM Flag Definitions.
187 class RegConstraint<string C> {
188 string Constraints = C;
191 //===----------------------------------------------------------------------===//
192 // ARM specific transformation functions and pattern fragments.
195 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
196 // so_imm_neg def below.
197 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
198 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
201 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
202 // so_imm_not def below.
203 def so_imm_not_XFORM : SDNodeXForm<imm, [{
204 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
207 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
208 def imm1_15 : PatLeaf<(i32 imm), [{
209 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
212 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
213 def imm16_31 : PatLeaf<(i32 imm), [{
214 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
219 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
220 }], so_imm_neg_XFORM>;
224 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
225 }], so_imm_not_XFORM>;
227 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
228 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
229 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
232 /// Split a 32-bit immediate into two 16 bit parts.
233 def hi16 : SDNodeXForm<imm, [{
234 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
237 def lo16AllZero : PatLeaf<(i32 imm), [{
238 // Returns true if all low 16-bits are 0.
239 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
242 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
244 def imm0_65535 : PatLeaf<(i32 imm), [{
245 return (uint32_t)N->getZExtValue() < 65536;
248 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
249 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
251 /// adde and sube predicates - True based on whether the carry flag output
252 /// will be needed or not.
253 def adde_dead_carry :
254 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
255 [{return !N->hasAnyUseOfValue(1);}]>;
256 def sube_dead_carry :
257 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
258 [{return !N->hasAnyUseOfValue(1);}]>;
259 def adde_live_carry :
260 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
261 [{return N->hasAnyUseOfValue(1);}]>;
262 def sube_live_carry :
263 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
264 [{return N->hasAnyUseOfValue(1);}]>;
266 // An 'and' node with a single use.
267 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
268 return N->hasOneUse();
271 // An 'xor' node with a single use.
272 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
273 return N->hasOneUse();
276 // An 'fmul' node with a single use.
277 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
278 return N->hasOneUse();
281 // An 'fadd' node which checks for single non-hazardous use.
282 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
283 return hasNoVMLxHazardUse(N);
286 // An 'fsub' node which checks for single non-hazardous use.
287 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
288 return hasNoVMLxHazardUse(N);
291 //===----------------------------------------------------------------------===//
292 // Operand Definitions.
296 // FIXME: rename brtarget to t2_brtarget
297 def brtarget : Operand<OtherVT> {
298 let EncoderMethod = "getBranchTargetOpValue";
301 // FIXME: get rid of this one?
302 def uncondbrtarget : Operand<OtherVT> {
303 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
306 // Branch target for ARM. Handles conditional/unconditional
307 def br_target : Operand<OtherVT> {
308 let EncoderMethod = "getARMBranchTargetOpValue";
312 // FIXME: rename bltarget to t2_bl_target?
313 def bltarget : Operand<i32> {
314 // Encoded the same as branch targets.
315 let EncoderMethod = "getBranchTargetOpValue";
318 // Call target for ARM. Handles conditional/unconditional
319 // FIXME: rename bl_target to t2_bltarget?
320 def bl_target : Operand<i32> {
321 // Encoded the same as branch targets.
322 let EncoderMethod = "getARMBranchTargetOpValue";
326 // A list of registers separated by comma. Used by load/store multiple.
327 def RegListAsmOperand : AsmOperandClass {
328 let Name = "RegList";
329 let SuperClasses = [];
332 def DPRRegListAsmOperand : AsmOperandClass {
333 let Name = "DPRRegList";
334 let SuperClasses = [];
337 def SPRRegListAsmOperand : AsmOperandClass {
338 let Name = "SPRRegList";
339 let SuperClasses = [];
342 def reglist : Operand<i32> {
343 let EncoderMethod = "getRegisterListOpValue";
344 let ParserMatchClass = RegListAsmOperand;
345 let PrintMethod = "printRegisterList";
348 def dpr_reglist : Operand<i32> {
349 let EncoderMethod = "getRegisterListOpValue";
350 let ParserMatchClass = DPRRegListAsmOperand;
351 let PrintMethod = "printRegisterList";
354 def spr_reglist : Operand<i32> {
355 let EncoderMethod = "getRegisterListOpValue";
356 let ParserMatchClass = SPRRegListAsmOperand;
357 let PrintMethod = "printRegisterList";
360 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
361 def cpinst_operand : Operand<i32> {
362 let PrintMethod = "printCPInstOperand";
366 def pclabel : Operand<i32> {
367 let PrintMethod = "printPCLabel";
370 // ADR instruction labels.
371 def adrlabel : Operand<i32> {
372 let EncoderMethod = "getAdrLabelOpValue";
375 def neon_vcvt_imm32 : Operand<i32> {
376 let EncoderMethod = "getNEONVcvtImm32OpValue";
379 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
380 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
381 int32_t v = (int32_t)N->getZExtValue();
382 return v == 8 || v == 16 || v == 24; }]> {
383 let EncoderMethod = "getRotImmOpValue";
386 // shift_imm: An integer that encodes a shift amount and the type of shift
387 // (currently either asr or lsl) using the same encoding used for the
388 // immediates in so_reg operands.
389 def shift_imm : Operand<i32> {
390 let PrintMethod = "printShiftImmOperand";
393 // shifter_operand operands: so_reg and so_imm.
394 def so_reg : Operand<i32>, // reg reg imm
395 ComplexPattern<i32, 3, "SelectShifterOperandReg",
396 [shl,srl,sra,rotr]> {
397 let EncoderMethod = "getSORegOpValue";
398 let PrintMethod = "printSORegOperand";
399 let MIOperandInfo = (ops GPR, GPR, i32imm);
401 def shift_so_reg : Operand<i32>, // reg reg imm
402 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
403 [shl,srl,sra,rotr]> {
404 let EncoderMethod = "getSORegOpValue";
405 let PrintMethod = "printSORegOperand";
406 let MIOperandInfo = (ops GPR, GPR, i32imm);
409 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
410 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
411 // represented in the imm field in the same 12-bit form that they are encoded
412 // into so_imm instructions: the 8-bit immediate is the least significant bits
413 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
414 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
415 let EncoderMethod = "getSOImmOpValue";
416 let PrintMethod = "printSOImmOperand";
419 // Break so_imm's up into two pieces. This handles immediates with up to 16
420 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
421 // get the first/second pieces.
422 def so_imm2part : PatLeaf<(imm), [{
423 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
426 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
428 def arm_i32imm : PatLeaf<(imm), [{
429 if (Subtarget->hasV6T2Ops())
431 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
434 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
435 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
436 return (int32_t)N->getZExtValue() < 32;
439 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
440 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
441 return (int32_t)N->getZExtValue() < 32;
443 let EncoderMethod = "getImmMinusOneOpValue";
446 // i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
447 // The imm is split into imm{15-12}, imm{11-0}
449 def i32imm_hilo16 : Operand<i32> {
450 let EncoderMethod = "getHiLo16ImmOpValue";
453 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
455 def bf_inv_mask_imm : Operand<i32>,
457 return ARM::isBitFieldInvertedMask(N->getZExtValue());
459 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
460 let PrintMethod = "printBitfieldInvMaskImmOperand";
463 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
464 def lsb_pos_imm : Operand<i32>, PatLeaf<(imm), [{
465 return isInt<5>(N->getSExtValue());
468 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
469 def width_imm : Operand<i32>, PatLeaf<(imm), [{
470 return N->getSExtValue() > 0 && N->getSExtValue() <= 32;
472 let EncoderMethod = "getMsbOpValue";
475 // Define ARM specific addressing modes.
478 // addrmode_imm12 := reg +/- imm12
480 def addrmode_imm12 : Operand<i32>,
481 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
482 // 12-bit immediate operand. Note that instructions using this encode
483 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
484 // immediate values are as normal.
486 let EncoderMethod = "getAddrModeImm12OpValue";
487 let PrintMethod = "printAddrModeImm12Operand";
488 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
490 // ldst_so_reg := reg +/- reg shop imm
492 def ldst_so_reg : Operand<i32>,
493 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
494 let EncoderMethod = "getLdStSORegOpValue";
495 // FIXME: Simplify the printer
496 let PrintMethod = "printAddrMode2Operand";
497 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
500 // addrmode2 := reg +/- imm12
501 // := reg +/- reg shop imm
503 def addrmode2 : Operand<i32>,
504 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
505 let EncoderMethod = "getAddrMode2OpValue";
506 let PrintMethod = "printAddrMode2Operand";
507 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
510 def am2offset : Operand<i32>,
511 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
512 [], [SDNPWantRoot]> {
513 let EncoderMethod = "getAddrMode2OffsetOpValue";
514 let PrintMethod = "printAddrMode2OffsetOperand";
515 let MIOperandInfo = (ops GPR, i32imm);
518 // addrmode3 := reg +/- reg
519 // addrmode3 := reg +/- imm8
521 def addrmode3 : Operand<i32>,
522 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
523 let EncoderMethod = "getAddrMode3OpValue";
524 let PrintMethod = "printAddrMode3Operand";
525 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
528 def am3offset : Operand<i32>,
529 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
530 [], [SDNPWantRoot]> {
531 let EncoderMethod = "getAddrMode3OffsetOpValue";
532 let PrintMethod = "printAddrMode3OffsetOperand";
533 let MIOperandInfo = (ops GPR, i32imm);
536 // ldstm_mode := {ia, ib, da, db}
538 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
539 let EncoderMethod = "getLdStmModeOpValue";
540 let PrintMethod = "printLdStmModeOperand";
543 def MemMode5AsmOperand : AsmOperandClass {
544 let Name = "MemMode5";
545 let SuperClasses = [];
548 // addrmode5 := reg +/- imm8*4
550 def addrmode5 : Operand<i32>,
551 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
552 let PrintMethod = "printAddrMode5Operand";
553 let MIOperandInfo = (ops GPR:$base, i32imm);
554 let ParserMatchClass = MemMode5AsmOperand;
555 let EncoderMethod = "getAddrMode5OpValue";
558 // addrmode6 := reg with optional writeback
560 def addrmode6 : Operand<i32>,
561 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
562 let PrintMethod = "printAddrMode6Operand";
563 let MIOperandInfo = (ops GPR:$addr, i32imm);
564 let EncoderMethod = "getAddrMode6AddressOpValue";
567 def am6offset : Operand<i32> {
568 let PrintMethod = "printAddrMode6OffsetOperand";
569 let MIOperandInfo = (ops GPR);
570 let EncoderMethod = "getAddrMode6OffsetOpValue";
573 // Special version of addrmode6 to handle alignment encoding for VLD-dup
574 // instructions, specifically VLD4-dup.
575 def addrmode6dup : Operand<i32>,
576 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
577 let PrintMethod = "printAddrMode6Operand";
578 let MIOperandInfo = (ops GPR:$addr, i32imm);
579 let EncoderMethod = "getAddrMode6DupAddressOpValue";
582 // addrmodepc := pc + reg
584 def addrmodepc : Operand<i32>,
585 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
586 let PrintMethod = "printAddrModePCOperand";
587 let MIOperandInfo = (ops GPR, i32imm);
590 def nohash_imm : Operand<i32> {
591 let PrintMethod = "printNoHashImmediate";
594 def p_imm : Operand<i32> {
595 let PrintMethod = "printPImmediate";
598 def c_imm : Operand<i32> {
599 let PrintMethod = "printCImmediate";
602 //===----------------------------------------------------------------------===//
604 include "ARMInstrFormats.td"
606 //===----------------------------------------------------------------------===//
607 // Multiclass helpers...
610 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
611 /// binop that produces a value.
612 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
613 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
614 PatFrag opnode, bit Commutable = 0> {
615 // The register-immediate version is re-materializable. This is useful
616 // in particular for taking the address of a local.
617 let isReMaterializable = 1 in {
618 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
619 iii, opc, "\t$Rd, $Rn, $imm",
620 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
625 let Inst{19-16} = Rn;
626 let Inst{15-12} = Rd;
627 let Inst{11-0} = imm;
630 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
631 iir, opc, "\t$Rd, $Rn, $Rm",
632 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
637 let isCommutable = Commutable;
638 let Inst{19-16} = Rn;
639 let Inst{15-12} = Rd;
640 let Inst{11-4} = 0b00000000;
643 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
644 iis, opc, "\t$Rd, $Rn, $shift",
645 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
650 let Inst{19-16} = Rn;
651 let Inst{15-12} = Rd;
652 let Inst{11-0} = shift;
656 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
657 /// instruction modifies the CPSR register.
658 let isCodeGenOnly = 1, Defs = [CPSR] in {
659 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
660 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
661 PatFrag opnode, bit Commutable = 0> {
662 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
663 iii, opc, "\t$Rd, $Rn, $imm",
664 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
670 let Inst{19-16} = Rn;
671 let Inst{15-12} = Rd;
672 let Inst{11-0} = imm;
674 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
675 iir, opc, "\t$Rd, $Rn, $Rm",
676 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
680 let isCommutable = Commutable;
683 let Inst{19-16} = Rn;
684 let Inst{15-12} = Rd;
685 let Inst{11-4} = 0b00000000;
688 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
689 iis, opc, "\t$Rd, $Rn, $shift",
690 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
696 let Inst{19-16} = Rn;
697 let Inst{15-12} = Rd;
698 let Inst{11-0} = shift;
703 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
704 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
705 /// a explicit result, only implicitly set CPSR.
706 let isCompare = 1, Defs = [CPSR] in {
707 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
708 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
709 PatFrag opnode, bit Commutable = 0> {
710 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
712 [(opnode GPR:$Rn, so_imm:$imm)]> {
717 let Inst{19-16} = Rn;
718 let Inst{15-12} = 0b0000;
719 let Inst{11-0} = imm;
721 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
723 [(opnode GPR:$Rn, GPR:$Rm)]> {
726 let isCommutable = Commutable;
729 let Inst{19-16} = Rn;
730 let Inst{15-12} = 0b0000;
731 let Inst{11-4} = 0b00000000;
734 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
735 opc, "\t$Rn, $shift",
736 [(opnode GPR:$Rn, so_reg:$shift)]> {
741 let Inst{19-16} = Rn;
742 let Inst{15-12} = 0b0000;
743 let Inst{11-0} = shift;
748 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
749 /// register and one whose operand is a register rotated by 8/16/24.
750 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
751 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
752 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
753 IIC_iEXTr, opc, "\t$Rd, $Rm",
754 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
755 Requires<[IsARM, HasV6]> {
758 let Inst{19-16} = 0b1111;
759 let Inst{15-12} = Rd;
760 let Inst{11-10} = 0b00;
763 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
764 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
765 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
766 Requires<[IsARM, HasV6]> {
770 let Inst{19-16} = 0b1111;
771 let Inst{15-12} = Rd;
772 let Inst{11-10} = rot;
777 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
778 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
779 IIC_iEXTr, opc, "\t$Rd, $Rm",
780 [/* For disassembly only; pattern left blank */]>,
781 Requires<[IsARM, HasV6]> {
782 let Inst{19-16} = 0b1111;
783 let Inst{11-10} = 0b00;
785 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
786 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
787 [/* For disassembly only; pattern left blank */]>,
788 Requires<[IsARM, HasV6]> {
790 let Inst{19-16} = 0b1111;
791 let Inst{11-10} = rot;
795 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
796 /// register and one whose operand is a register rotated by 8/16/24.
797 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
798 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
799 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
800 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
801 Requires<[IsARM, HasV6]> {
805 let Inst{19-16} = Rn;
806 let Inst{15-12} = Rd;
807 let Inst{11-10} = 0b00;
808 let Inst{9-4} = 0b000111;
811 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
813 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
814 [(set GPR:$Rd, (opnode GPR:$Rn,
815 (rotr GPR:$Rm, rot_imm:$rot)))]>,
816 Requires<[IsARM, HasV6]> {
821 let Inst{19-16} = Rn;
822 let Inst{15-12} = Rd;
823 let Inst{11-10} = rot;
824 let Inst{9-4} = 0b000111;
829 // For disassembly only.
830 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
831 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
832 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
833 [/* For disassembly only; pattern left blank */]>,
834 Requires<[IsARM, HasV6]> {
835 let Inst{11-10} = 0b00;
837 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
839 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
840 [/* For disassembly only; pattern left blank */]>,
841 Requires<[IsARM, HasV6]> {
844 let Inst{19-16} = Rn;
845 let Inst{11-10} = rot;
849 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
850 let Uses = [CPSR] in {
851 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
852 bit Commutable = 0> {
853 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
854 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
855 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
861 let Inst{15-12} = Rd;
862 let Inst{19-16} = Rn;
863 let Inst{11-0} = imm;
865 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
866 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
867 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
872 let Inst{11-4} = 0b00000000;
874 let isCommutable = Commutable;
876 let Inst{15-12} = Rd;
877 let Inst{19-16} = Rn;
879 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
880 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
881 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
887 let Inst{11-0} = shift;
888 let Inst{15-12} = Rd;
889 let Inst{19-16} = Rn;
892 // Carry setting variants
893 let isCodeGenOnly = 1, Defs = [CPSR] in {
894 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
895 bit Commutable = 0> {
896 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
897 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
898 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
903 let Inst{15-12} = Rd;
904 let Inst{19-16} = Rn;
905 let Inst{11-0} = imm;
909 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
910 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
911 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
916 let Inst{11-4} = 0b00000000;
917 let isCommutable = Commutable;
919 let Inst{15-12} = Rd;
920 let Inst{19-16} = Rn;
924 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
925 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
926 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
931 let Inst{11-0} = shift;
932 let Inst{15-12} = Rd;
933 let Inst{19-16} = Rn;
941 let canFoldAsLoad = 1, isReMaterializable = 1 in {
942 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
943 InstrItinClass iir, PatFrag opnode> {
944 // Note: We use the complex addrmode_imm12 rather than just an input
945 // GPR and a constrained immediate so that we can use this to match
946 // frame index references and avoid matching constant pool references.
947 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
948 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
949 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
952 let Inst{23} = addr{12}; // U (add = ('U' == 1))
953 let Inst{19-16} = addr{16-13}; // Rn
954 let Inst{15-12} = Rt;
955 let Inst{11-0} = addr{11-0}; // imm12
957 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
958 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
959 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
962 let Inst{23} = shift{12}; // U (add = ('U' == 1))
963 let Inst{19-16} = shift{16-13}; // Rn
964 let Inst{15-12} = Rt;
965 let Inst{11-0} = shift{11-0};
970 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
971 InstrItinClass iir, PatFrag opnode> {
972 // Note: We use the complex addrmode_imm12 rather than just an input
973 // GPR and a constrained immediate so that we can use this to match
974 // frame index references and avoid matching constant pool references.
975 def i12 : AI2ldst<0b010, 0, isByte, (outs),
976 (ins GPR:$Rt, addrmode_imm12:$addr),
977 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
978 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
981 let Inst{23} = addr{12}; // U (add = ('U' == 1))
982 let Inst{19-16} = addr{16-13}; // Rn
983 let Inst{15-12} = Rt;
984 let Inst{11-0} = addr{11-0}; // imm12
986 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
987 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
988 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
991 let Inst{23} = shift{12}; // U (add = ('U' == 1))
992 let Inst{19-16} = shift{16-13}; // Rn
993 let Inst{15-12} = Rt;
994 let Inst{11-0} = shift{11-0};
997 //===----------------------------------------------------------------------===//
999 //===----------------------------------------------------------------------===//
1001 //===----------------------------------------------------------------------===//
1002 // Miscellaneous Instructions.
1005 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1006 /// the function. The first operand is the ID# for this instruction, the second
1007 /// is the index into the MachineConstantPool that this is, the third is the
1008 /// size in bytes of this constant pool entry.
1009 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1010 def CONSTPOOL_ENTRY :
1011 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1012 i32imm:$size), NoItinerary, []>;
1014 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1015 // from removing one half of the matched pairs. That breaks PEI, which assumes
1016 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1017 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1018 def ADJCALLSTACKUP :
1019 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1020 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1022 def ADJCALLSTACKDOWN :
1023 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1024 [(ARMcallseq_start timm:$amt)]>;
1027 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1028 [/* For disassembly only; pattern left blank */]>,
1029 Requires<[IsARM, HasV6T2]> {
1030 let Inst{27-16} = 0b001100100000;
1031 let Inst{15-8} = 0b11110000;
1032 let Inst{7-0} = 0b00000000;
1035 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1036 [/* For disassembly only; pattern left blank */]>,
1037 Requires<[IsARM, HasV6T2]> {
1038 let Inst{27-16} = 0b001100100000;
1039 let Inst{15-8} = 0b11110000;
1040 let Inst{7-0} = 0b00000001;
1043 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1044 [/* For disassembly only; pattern left blank */]>,
1045 Requires<[IsARM, HasV6T2]> {
1046 let Inst{27-16} = 0b001100100000;
1047 let Inst{15-8} = 0b11110000;
1048 let Inst{7-0} = 0b00000010;
1051 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1052 [/* For disassembly only; pattern left blank */]>,
1053 Requires<[IsARM, HasV6T2]> {
1054 let Inst{27-16} = 0b001100100000;
1055 let Inst{15-8} = 0b11110000;
1056 let Inst{7-0} = 0b00000011;
1059 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1061 [/* For disassembly only; pattern left blank */]>,
1062 Requires<[IsARM, HasV6]> {
1067 let Inst{15-12} = Rd;
1068 let Inst{19-16} = Rn;
1069 let Inst{27-20} = 0b01101000;
1070 let Inst{7-4} = 0b1011;
1071 let Inst{11-8} = 0b1111;
1074 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1075 [/* For disassembly only; pattern left blank */]>,
1076 Requires<[IsARM, HasV6T2]> {
1077 let Inst{27-16} = 0b001100100000;
1078 let Inst{15-8} = 0b11110000;
1079 let Inst{7-0} = 0b00000100;
1082 // The i32imm operand $val can be used by a debugger to store more information
1083 // about the breakpoint.
1084 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1085 [/* For disassembly only; pattern left blank */]>,
1088 let Inst{3-0} = val{3-0};
1089 let Inst{19-8} = val{15-4};
1090 let Inst{27-20} = 0b00010010;
1091 let Inst{7-4} = 0b0111;
1094 // Change Processor State is a system instruction -- for disassembly only.
1095 // The singleton $opt operand contains the following information:
1096 // opt{4-0} = mode from Inst{4-0}
1097 // opt{5} = changemode from Inst{17}
1098 // opt{8-6} = AIF from Inst{8-6}
1099 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
1100 // FIXME: Integrated assembler will need these split out.
1101 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
1102 [/* For disassembly only; pattern left blank */]>,
1104 let Inst{31-28} = 0b1111;
1105 let Inst{27-20} = 0b00010000;
1110 // Preload signals the memory system of possible future data/instruction access.
1111 // These are for disassembly only.
1112 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1114 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1115 !strconcat(opc, "\t$addr"),
1116 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1119 let Inst{31-26} = 0b111101;
1120 let Inst{25} = 0; // 0 for immediate form
1121 let Inst{24} = data;
1122 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1123 let Inst{22} = read;
1124 let Inst{21-20} = 0b01;
1125 let Inst{19-16} = addr{16-13}; // Rn
1126 let Inst{15-12} = 0b1111;
1127 let Inst{11-0} = addr{11-0}; // imm12
1130 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1131 !strconcat(opc, "\t$shift"),
1132 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1134 let Inst{31-26} = 0b111101;
1135 let Inst{25} = 1; // 1 for register form
1136 let Inst{24} = data;
1137 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1138 let Inst{22} = read;
1139 let Inst{21-20} = 0b01;
1140 let Inst{19-16} = shift{16-13}; // Rn
1141 let Inst{15-12} = 0b1111;
1142 let Inst{11-0} = shift{11-0};
1146 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1147 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1148 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1150 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1152 [/* For disassembly only; pattern left blank */]>,
1155 let Inst{31-10} = 0b1111000100000001000000;
1160 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1161 [/* For disassembly only; pattern left blank */]>,
1162 Requires<[IsARM, HasV7]> {
1164 let Inst{27-4} = 0b001100100000111100001111;
1165 let Inst{3-0} = opt;
1168 // A5.4 Permanently UNDEFINED instructions.
1169 let isBarrier = 1, isTerminator = 1 in
1170 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1173 let Inst = 0xe7ffdefe;
1176 // Address computation and loads and stores in PIC mode.
1177 let isNotDuplicable = 1 in {
1178 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1179 Size4Bytes, IIC_iALUr,
1180 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1182 let AddedComplexity = 10 in {
1183 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1184 Size4Bytes, IIC_iLoad_r,
1185 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1187 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1188 Size4Bytes, IIC_iLoad_bh_r,
1189 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1191 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1192 Size4Bytes, IIC_iLoad_bh_r,
1193 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1195 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1196 Size4Bytes, IIC_iLoad_bh_r,
1197 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1199 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1200 Size4Bytes, IIC_iLoad_bh_r,
1201 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1203 let AddedComplexity = 10 in {
1204 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1205 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1207 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1208 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1209 addrmodepc:$addr)]>;
1211 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1212 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1214 } // isNotDuplicable = 1
1217 // LEApcrel - Load a pc-relative address into a register without offending the
1219 let neverHasSideEffects = 1, isReMaterializable = 1 in
1220 // The 'adr' mnemonic encodes differently if the label is before or after
1221 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1222 // know until then which form of the instruction will be used.
1223 def ADR : AI1<0, (outs GPR:$Rd), (ins adrlabel:$label),
1224 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1227 let Inst{27-25} = 0b001;
1229 let Inst{19-16} = 0b1111;
1230 let Inst{15-12} = Rd;
1231 let Inst{11-0} = label;
1233 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1234 Size4Bytes, IIC_iALUi, []>;
1236 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1237 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1238 Size4Bytes, IIC_iALUi, []>;
1240 //===----------------------------------------------------------------------===//
1241 // Control Flow Instructions.
1244 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1246 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1247 "bx", "\tlr", [(ARMretflag)]>,
1248 Requires<[IsARM, HasV4T]> {
1249 let Inst{27-0} = 0b0001001011111111111100011110;
1253 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1254 "mov", "\tpc, lr", [(ARMretflag)]>,
1255 Requires<[IsARM, NoV4T]> {
1256 let Inst{27-0} = 0b0001101000001111000000001110;
1260 // Indirect branches
1261 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1263 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1264 [(brind GPR:$dst)]>,
1265 Requires<[IsARM, HasV4T]> {
1267 let Inst{31-4} = 0b1110000100101111111111110001;
1268 let Inst{3-0} = dst;
1272 // FIXME: We would really like to define this as a vanilla ARMPat like:
1273 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1274 // With that, however, we can't set isBranch, isTerminator, etc..
1275 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1276 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1277 Requires<[IsARM, NoV4T]>;
1280 // All calls clobber the non-callee saved registers. SP is marked as
1281 // a use to prevent stack-pointer assignments that appear immediately
1282 // before calls from potentially appearing dead.
1284 // On non-Darwin platforms R9 is callee-saved.
1285 Defs = [R0, R1, R2, R3, R12, LR,
1286 D0, D1, D2, D3, D4, D5, D6, D7,
1287 D16, D17, D18, D19, D20, D21, D22, D23,
1288 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1290 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1291 IIC_Br, "bl\t$func",
1292 [(ARMcall tglobaladdr:$func)]>,
1293 Requires<[IsARM, IsNotDarwin]> {
1294 let Inst{31-28} = 0b1110;
1296 let Inst{23-0} = func;
1299 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1300 IIC_Br, "bl", "\t$func",
1301 [(ARMcall_pred tglobaladdr:$func)]>,
1302 Requires<[IsARM, IsNotDarwin]> {
1304 let Inst{23-0} = func;
1308 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1309 IIC_Br, "blx\t$func",
1310 [(ARMcall GPR:$func)]>,
1311 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1313 let Inst{31-4} = 0b1110000100101111111111110011;
1314 let Inst{3-0} = func;
1318 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1319 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1320 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1321 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1324 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1325 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1326 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1330 // On Darwin R9 is call-clobbered.
1331 // R7 is marked as a use to prevent frame-pointer assignments from being
1332 // moved above / below calls.
1333 Defs = [R0, R1, R2, R3, R9, R12, LR,
1334 D0, D1, D2, D3, D4, D5, D6, D7,
1335 D16, D17, D18, D19, D20, D21, D22, D23,
1336 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1337 Uses = [R7, SP] in {
1338 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1339 IIC_Br, "bl\t$func",
1340 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1341 let Inst{31-28} = 0b1110;
1343 let Inst{23-0} = func;
1346 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1347 IIC_Br, "bl", "\t$func",
1348 [(ARMcall_pred tglobaladdr:$func)]>,
1349 Requires<[IsARM, IsDarwin]> {
1351 let Inst{23-0} = func;
1355 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1356 IIC_Br, "blx\t$func",
1357 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1359 let Inst{31-4} = 0b1110000100101111111111110011;
1360 let Inst{3-0} = func;
1364 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1365 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1366 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1367 Requires<[IsARM, HasV4T, IsDarwin]>;
1370 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1371 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1372 Requires<[IsARM, NoV4T, IsDarwin]>;
1377 // FIXME: These should probably be xformed into the non-TC versions of the
1378 // instructions as part of MC lowering.
1379 // FIXME: These seem to be used for both Thumb and ARM instruction selection.
1380 // Thumb should have its own version since the instruction is actually
1381 // different, even though the mnemonic is the same.
1382 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1384 let Defs = [R0, R1, R2, R3, R9, R12,
1385 D0, D1, D2, D3, D4, D5, D6, D7,
1386 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1387 D27, D28, D29, D30, D31, PC],
1389 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1390 IIC_Br, []>, Requires<[IsDarwin]>;
1392 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1393 IIC_Br, []>, Requires<[IsDarwin]>;
1395 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1396 IIC_Br, "b\t$dst @ TAILCALL",
1397 []>, Requires<[IsARM, IsDarwin]>;
1399 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1400 IIC_Br, "b.w\t$dst @ TAILCALL",
1401 []>, Requires<[IsThumb, IsDarwin]>;
1403 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1404 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1405 []>, Requires<[IsDarwin]> {
1407 let Inst{31-4} = 0b1110000100101111111111110001;
1408 let Inst{3-0} = dst;
1412 // Non-Darwin versions (the difference is R9).
1413 let Defs = [R0, R1, R2, R3, R12,
1414 D0, D1, D2, D3, D4, D5, D6, D7,
1415 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1416 D27, D28, D29, D30, D31, PC],
1418 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1419 IIC_Br, []>, Requires<[IsNotDarwin]>;
1421 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1422 IIC_Br, []>, Requires<[IsNotDarwin]>;
1424 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1425 IIC_Br, "b\t$dst @ TAILCALL",
1426 []>, Requires<[IsARM, IsNotDarwin]>;
1428 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1429 IIC_Br, "b.w\t$dst @ TAILCALL",
1430 []>, Requires<[IsThumb, IsNotDarwin]>;
1432 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1433 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1434 []>, Requires<[IsNotDarwin]> {
1436 let Inst{31-4} = 0b1110000100101111111111110001;
1437 let Inst{3-0} = dst;
1442 let isBranch = 1, isTerminator = 1 in {
1443 // B is "predicable" since it can be xformed into a Bcc.
1444 let isBarrier = 1 in {
1445 let isPredicable = 1 in
1446 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1447 "b\t$target", [(br bb:$target)]> {
1449 let Inst{31-28} = 0b1110;
1450 let Inst{23-0} = target;
1453 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1454 def BR_JTr : ARMPseudoInst<(outs),
1455 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1456 SizeSpecial, IIC_Br,
1457 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1458 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1459 // into i12 and rs suffixed versions.
1460 def BR_JTm : ARMPseudoInst<(outs),
1461 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1462 SizeSpecial, IIC_Br,
1463 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1465 def BR_JTadd : ARMPseudoInst<(outs),
1466 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1467 SizeSpecial, IIC_Br,
1468 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1470 } // isNotDuplicable = 1, isIndirectBranch = 1
1473 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1474 // a two-value operand where a dag node expects two operands. :(
1475 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1476 IIC_Br, "b", "\t$target",
1477 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1479 let Inst{23-0} = target;
1483 // Branch and Exchange Jazelle -- for disassembly only
1484 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1485 [/* For disassembly only; pattern left blank */]> {
1486 let Inst{23-20} = 0b0010;
1487 //let Inst{19-8} = 0xfff;
1488 let Inst{7-4} = 0b0010;
1491 // Secure Monitor Call is a system instruction -- for disassembly only
1492 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1493 [/* For disassembly only; pattern left blank */]> {
1495 let Inst{23-4} = 0b01100000000000000111;
1496 let Inst{3-0} = opt;
1499 // Supervisor Call (Software Interrupt) -- for disassembly only
1500 let isCall = 1, Uses = [SP] in {
1501 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1502 [/* For disassembly only; pattern left blank */]> {
1504 let Inst{23-0} = svc;
1508 // Store Return State is a system instruction -- for disassembly only
1509 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1510 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1511 NoItinerary, "srs${amode}\tsp!, $mode",
1512 [/* For disassembly only; pattern left blank */]> {
1513 let Inst{31-28} = 0b1111;
1514 let Inst{22-20} = 0b110; // W = 1
1517 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1518 NoItinerary, "srs${amode}\tsp, $mode",
1519 [/* For disassembly only; pattern left blank */]> {
1520 let Inst{31-28} = 0b1111;
1521 let Inst{22-20} = 0b100; // W = 0
1524 // Return From Exception is a system instruction -- for disassembly only
1525 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1526 NoItinerary, "rfe${amode}\t$base!",
1527 [/* For disassembly only; pattern left blank */]> {
1528 let Inst{31-28} = 0b1111;
1529 let Inst{22-20} = 0b011; // W = 1
1532 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1533 NoItinerary, "rfe${amode}\t$base",
1534 [/* For disassembly only; pattern left blank */]> {
1535 let Inst{31-28} = 0b1111;
1536 let Inst{22-20} = 0b001; // W = 0
1538 } // isCodeGenOnly = 1
1540 //===----------------------------------------------------------------------===//
1541 // Load / store Instructions.
1547 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1548 UnOpFrag<(load node:$Src)>>;
1549 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1550 UnOpFrag<(zextloadi8 node:$Src)>>;
1551 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1552 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1553 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1554 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1556 // Special LDR for loads from non-pc-relative constpools.
1557 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1558 isReMaterializable = 1 in
1559 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1560 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1564 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1565 let Inst{19-16} = 0b1111;
1566 let Inst{15-12} = Rt;
1567 let Inst{11-0} = addr{11-0}; // imm12
1570 // Loads with zero extension
1571 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1572 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1573 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1575 // Loads with sign extension
1576 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1577 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1578 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1580 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1581 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1582 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1584 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1585 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1586 // FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
1587 // how to represent that such that tblgen is happy and we don't
1588 // mark this codegen only?
1590 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1591 (ins addrmode3:$addr), LdMiscFrm,
1592 IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
1593 []>, Requires<[IsARM, HasV5TE]>;
1597 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1598 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1599 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1600 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1602 // {13} 1 == Rm, 0 == imm12
1606 let Inst{25} = addr{13};
1607 let Inst{23} = addr{12};
1608 let Inst{19-16} = addr{17-14};
1609 let Inst{11-0} = addr{11-0};
1611 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1612 (ins GPR:$Rn, am2offset:$offset),
1613 IndexModePost, LdFrm, itin,
1614 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1615 // {13} 1 == Rm, 0 == imm12
1620 let Inst{25} = offset{13};
1621 let Inst{23} = offset{12};
1622 let Inst{19-16} = Rn;
1623 let Inst{11-0} = offset{11-0};
1627 let mayLoad = 1, neverHasSideEffects = 1 in {
1628 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1629 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1632 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1633 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1634 (ins addrmode3:$addr), IndexModePre,
1636 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1638 let Inst{23} = addr{8}; // U bit
1639 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1640 let Inst{19-16} = addr{12-9}; // Rn
1641 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1642 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1644 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1645 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1647 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1650 let Inst{23} = offset{8}; // U bit
1651 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1652 let Inst{19-16} = Rn;
1653 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1654 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1658 let mayLoad = 1, neverHasSideEffects = 1 in {
1659 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1660 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1661 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1662 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1663 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1664 } // mayLoad = 1, neverHasSideEffects = 1
1666 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1667 let mayLoad = 1, neverHasSideEffects = 1 in {
1668 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1669 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1670 LdFrm, IIC_iLoad_ru,
1671 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1672 let Inst{21} = 1; // overwrite
1674 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1675 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1676 LdFrm, IIC_iLoad_bh_ru,
1677 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1678 let Inst{21} = 1; // overwrite
1680 def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1681 (ins GPR:$base, am3offset:$offset), IndexModePost,
1682 LdMiscFrm, IIC_iLoad_bh_ru,
1683 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1684 let Inst{21} = 1; // overwrite
1686 def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1687 (ins GPR:$base, am3offset:$offset), IndexModePost,
1688 LdMiscFrm, IIC_iLoad_bh_ru,
1689 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1690 let Inst{21} = 1; // overwrite
1692 def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1693 (ins GPR:$base, am3offset:$offset), IndexModePost,
1694 LdMiscFrm, IIC_iLoad_bh_ru,
1695 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1696 let Inst{21} = 1; // overwrite
1702 // Stores with truncate
1703 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1704 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1705 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1708 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1709 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1710 def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1711 StMiscFrm, IIC_iStore_d_r,
1712 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1715 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1716 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1717 IndexModePre, StFrm, IIC_iStore_ru,
1718 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1720 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1722 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1723 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1724 IndexModePost, StFrm, IIC_iStore_ru,
1725 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1727 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1729 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1730 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1731 IndexModePre, StFrm, IIC_iStore_bh_ru,
1732 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1733 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1734 GPR:$Rn, am2offset:$offset))]>;
1735 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1736 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1737 IndexModePost, StFrm, IIC_iStore_bh_ru,
1738 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1739 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1740 GPR:$Rn, am2offset:$offset))]>;
1742 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1743 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1744 IndexModePre, StMiscFrm, IIC_iStore_ru,
1745 "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1747 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1749 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1750 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1751 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1752 "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1753 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1754 GPR:$Rn, am3offset:$offset))]>;
1756 // For disassembly only
1757 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1758 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1759 StMiscFrm, IIC_iStore_d_ru,
1760 "strd", "\t$src1, $src2, [$base, $offset]!",
1761 "$base = $base_wb", []>;
1763 // For disassembly only
1764 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1765 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1766 StMiscFrm, IIC_iStore_d_ru,
1767 "strd", "\t$src1, $src2, [$base], $offset",
1768 "$base = $base_wb", []>;
1770 // STRT, STRBT, and STRHT are for disassembly only.
1772 def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1773 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1774 IndexModeNone, StFrm, IIC_iStore_ru,
1775 "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1776 [/* For disassembly only; pattern left blank */]> {
1777 let Inst{21} = 1; // overwrite
1780 def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
1781 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1782 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1783 "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1784 [/* For disassembly only; pattern left blank */]> {
1785 let Inst{21} = 1; // overwrite
1788 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1789 (ins GPR:$src, GPR:$base,am3offset:$offset),
1790 StMiscFrm, IIC_iStore_bh_ru,
1791 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1792 [/* For disassembly only; pattern left blank */]> {
1793 let Inst{21} = 1; // overwrite
1796 //===----------------------------------------------------------------------===//
1797 // Load / store multiple Instructions.
1800 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1801 InstrItinClass itin, InstrItinClass itin_upd> {
1803 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1804 IndexModeNone, f, itin,
1805 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1806 let Inst{24-23} = 0b01; // Increment After
1807 let Inst{21} = 0; // No writeback
1808 let Inst{20} = L_bit;
1811 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1812 IndexModeUpd, f, itin_upd,
1813 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1814 let Inst{24-23} = 0b01; // Increment After
1815 let Inst{21} = 1; // Writeback
1816 let Inst{20} = L_bit;
1819 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1820 IndexModeNone, f, itin,
1821 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1822 let Inst{24-23} = 0b00; // Decrement After
1823 let Inst{21} = 0; // No writeback
1824 let Inst{20} = L_bit;
1827 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1828 IndexModeUpd, f, itin_upd,
1829 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1830 let Inst{24-23} = 0b00; // Decrement After
1831 let Inst{21} = 1; // Writeback
1832 let Inst{20} = L_bit;
1835 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1836 IndexModeNone, f, itin,
1837 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1838 let Inst{24-23} = 0b10; // Decrement Before
1839 let Inst{21} = 0; // No writeback
1840 let Inst{20} = L_bit;
1843 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1844 IndexModeUpd, f, itin_upd,
1845 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1846 let Inst{24-23} = 0b10; // Decrement Before
1847 let Inst{21} = 1; // Writeback
1848 let Inst{20} = L_bit;
1851 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1852 IndexModeNone, f, itin,
1853 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1854 let Inst{24-23} = 0b11; // Increment Before
1855 let Inst{21} = 0; // No writeback
1856 let Inst{20} = L_bit;
1859 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1860 IndexModeUpd, f, itin_upd,
1861 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1862 let Inst{24-23} = 0b11; // Increment Before
1863 let Inst{21} = 1; // Writeback
1864 let Inst{20} = L_bit;
1868 let neverHasSideEffects = 1 in {
1870 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1871 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1873 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1874 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1876 } // neverHasSideEffects
1878 // Load / Store Multiple Mnemonic Aliases
1879 def : MnemonicAlias<"ldm", "ldmia">;
1880 def : MnemonicAlias<"stm", "stmia">;
1882 // FIXME: remove when we have a way to marking a MI with these properties.
1883 // FIXME: Should pc be an implicit operand like PICADD, etc?
1884 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1885 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1886 // FIXME: Should be a pseudo-instruction.
1887 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1888 reglist:$regs, variable_ops),
1889 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1890 "ldmia${p}\t$Rn!, $regs",
1892 let Inst{24-23} = 0b01; // Increment After
1893 let Inst{21} = 1; // Writeback
1894 let Inst{20} = 1; // Load
1897 //===----------------------------------------------------------------------===//
1898 // Move Instructions.
1901 let neverHasSideEffects = 1 in
1902 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1903 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1907 let Inst{11-4} = 0b00000000;
1910 let Inst{15-12} = Rd;
1913 // A version for the smaller set of tail call registers.
1914 let neverHasSideEffects = 1 in
1915 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1916 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1920 let Inst{11-4} = 0b00000000;
1923 let Inst{15-12} = Rd;
1926 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1927 DPSoRegFrm, IIC_iMOVsr,
1928 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1932 let Inst{15-12} = Rd;
1933 let Inst{11-0} = src;
1937 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1938 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1939 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1943 let Inst{15-12} = Rd;
1944 let Inst{19-16} = 0b0000;
1945 let Inst{11-0} = imm;
1948 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1949 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
1951 "movw", "\t$Rd, $imm",
1952 [(set GPR:$Rd, imm0_65535:$imm)]>,
1953 Requires<[IsARM, HasV6T2]>, UnaryDP {
1956 let Inst{15-12} = Rd;
1957 let Inst{11-0} = imm{11-0};
1958 let Inst{19-16} = imm{15-12};
1963 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
1964 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
1966 let Constraints = "$src = $Rd" in {
1967 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
1969 "movt", "\t$Rd, $imm",
1971 (or (and GPR:$src, 0xffff),
1972 lo16AllZero:$imm))]>, UnaryDP,
1973 Requires<[IsARM, HasV6T2]> {
1976 let Inst{15-12} = Rd;
1977 let Inst{11-0} = imm{11-0};
1978 let Inst{19-16} = imm{15-12};
1983 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
1984 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
1988 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1989 Requires<[IsARM, HasV6T2]>;
1991 let Uses = [CPSR] in
1992 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
1993 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1996 // These aren't really mov instructions, but we have to define them this way
1997 // due to flag operands.
1999 let Defs = [CPSR] in {
2000 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2001 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2003 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2004 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2008 //===----------------------------------------------------------------------===//
2009 // Extend Instructions.
2014 defm SXTB : AI_ext_rrot<0b01101010,
2015 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2016 defm SXTH : AI_ext_rrot<0b01101011,
2017 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2019 defm SXTAB : AI_exta_rrot<0b01101010,
2020 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2021 defm SXTAH : AI_exta_rrot<0b01101011,
2022 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2024 // For disassembly only
2025 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2027 // For disassembly only
2028 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2032 let AddedComplexity = 16 in {
2033 defm UXTB : AI_ext_rrot<0b01101110,
2034 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2035 defm UXTH : AI_ext_rrot<0b01101111,
2036 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2037 defm UXTB16 : AI_ext_rrot<0b01101100,
2038 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2040 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2041 // The transformation should probably be done as a combiner action
2042 // instead so we can include a check for masking back in the upper
2043 // eight bits of the source into the lower eight bits of the result.
2044 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2045 // (UXTB16r_rot GPR:$Src, 24)>;
2046 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2047 (UXTB16r_rot GPR:$Src, 8)>;
2049 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2050 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2051 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2052 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2055 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2056 // For disassembly only
2057 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2060 def SBFX : I<(outs GPR:$Rd),
2061 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2062 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2063 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2064 Requires<[IsARM, HasV6T2]> {
2069 let Inst{27-21} = 0b0111101;
2070 let Inst{6-4} = 0b101;
2071 let Inst{20-16} = width;
2072 let Inst{15-12} = Rd;
2073 let Inst{11-7} = lsb;
2077 def UBFX : I<(outs GPR:$Rd),
2078 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2079 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2080 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2081 Requires<[IsARM, HasV6T2]> {
2086 let Inst{27-21} = 0b0111111;
2087 let Inst{6-4} = 0b101;
2088 let Inst{20-16} = width;
2089 let Inst{15-12} = Rd;
2090 let Inst{11-7} = lsb;
2094 //===----------------------------------------------------------------------===//
2095 // Arithmetic Instructions.
2098 defm ADD : AsI1_bin_irs<0b0100, "add",
2099 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2100 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2101 defm SUB : AsI1_bin_irs<0b0010, "sub",
2102 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2103 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2105 // ADD and SUB with 's' bit set.
2106 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2107 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2108 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2109 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2110 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2111 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2113 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2114 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2115 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2116 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2118 // ADC and SUBC with 's' bit set.
2119 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2120 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2121 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2122 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2124 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2125 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2126 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2131 let Inst{15-12} = Rd;
2132 let Inst{19-16} = Rn;
2133 let Inst{11-0} = imm;
2136 // The reg/reg form is only defined for the disassembler; for codegen it is
2137 // equivalent to SUBrr.
2138 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2139 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2140 [/* For disassembly only; pattern left blank */]> {
2144 let Inst{11-4} = 0b00000000;
2147 let Inst{15-12} = Rd;
2148 let Inst{19-16} = Rn;
2151 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2152 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2153 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2158 let Inst{11-0} = shift;
2159 let Inst{15-12} = Rd;
2160 let Inst{19-16} = Rn;
2163 // RSB with 's' bit set.
2164 let isCodeGenOnly = 1, Defs = [CPSR] in {
2165 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2166 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2167 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2173 let Inst{15-12} = Rd;
2174 let Inst{19-16} = Rn;
2175 let Inst{11-0} = imm;
2177 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2178 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2179 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2185 let Inst{11-0} = shift;
2186 let Inst{15-12} = Rd;
2187 let Inst{19-16} = Rn;
2191 let Uses = [CPSR] in {
2192 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2193 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2194 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2200 let Inst{15-12} = Rd;
2201 let Inst{19-16} = Rn;
2202 let Inst{11-0} = imm;
2204 // The reg/reg form is only defined for the disassembler; for codegen it is
2205 // equivalent to SUBrr.
2206 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2207 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2208 [/* For disassembly only; pattern left blank */]> {
2212 let Inst{11-4} = 0b00000000;
2215 let Inst{15-12} = Rd;
2216 let Inst{19-16} = Rn;
2218 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2219 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2220 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2226 let Inst{11-0} = shift;
2227 let Inst{15-12} = Rd;
2228 let Inst{19-16} = Rn;
2232 // FIXME: Allow these to be predicated.
2233 let isCodeGenOnly = 1, Defs = [CPSR], Uses = [CPSR] in {
2234 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2235 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2236 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2243 let Inst{15-12} = Rd;
2244 let Inst{19-16} = Rn;
2245 let Inst{11-0} = imm;
2247 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2248 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2249 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2256 let Inst{11-0} = shift;
2257 let Inst{15-12} = Rd;
2258 let Inst{19-16} = Rn;
2262 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2263 // The assume-no-carry-in form uses the negation of the input since add/sub
2264 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2265 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2267 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2268 (SUBri GPR:$src, so_imm_neg:$imm)>;
2269 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2270 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2271 // The with-carry-in form matches bitwise not instead of the negation.
2272 // Effectively, the inverse interpretation of the carry flag already accounts
2273 // for part of the negation.
2274 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2275 (SBCri GPR:$src, so_imm_not:$imm)>;
2277 // Note: These are implemented in C++ code, because they have to generate
2278 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2280 // (mul X, 2^n+1) -> (add (X << n), X)
2281 // (mul X, 2^n-1) -> (rsb X, (X << n))
2283 // ARM Arithmetic Instruction -- for disassembly only
2284 // GPR:$dst = GPR:$a op GPR:$b
2285 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2286 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2287 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2288 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2292 let Inst{27-20} = op27_20;
2293 let Inst{11-4} = op11_4;
2294 let Inst{19-16} = Rn;
2295 let Inst{15-12} = Rd;
2299 // Saturating add/subtract -- for disassembly only
2301 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2302 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2303 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2304 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2305 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2306 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2307 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2309 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2312 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2313 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2314 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2315 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2316 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2317 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2318 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2319 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2320 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2321 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2322 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2323 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2325 // Signed/Unsigned add/subtract -- for disassembly only
2327 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2328 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2329 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2330 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2331 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2332 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2333 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2334 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2335 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2336 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2337 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2338 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2340 // Signed/Unsigned halving add/subtract -- for disassembly only
2342 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2343 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2344 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2345 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2346 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2347 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2348 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2349 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2350 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2351 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2352 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2353 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2355 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2357 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2358 MulFrm /* for convenience */, NoItinerary, "usad8",
2359 "\t$Rd, $Rn, $Rm", []>,
2360 Requires<[IsARM, HasV6]> {
2364 let Inst{27-20} = 0b01111000;
2365 let Inst{15-12} = 0b1111;
2366 let Inst{7-4} = 0b0001;
2367 let Inst{19-16} = Rd;
2368 let Inst{11-8} = Rm;
2371 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2372 MulFrm /* for convenience */, NoItinerary, "usada8",
2373 "\t$Rd, $Rn, $Rm, $Ra", []>,
2374 Requires<[IsARM, HasV6]> {
2379 let Inst{27-20} = 0b01111000;
2380 let Inst{7-4} = 0b0001;
2381 let Inst{19-16} = Rd;
2382 let Inst{15-12} = Ra;
2383 let Inst{11-8} = Rm;
2387 // Signed/Unsigned saturate -- for disassembly only
2389 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2390 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2391 [/* For disassembly only; pattern left blank */]> {
2396 let Inst{27-21} = 0b0110101;
2397 let Inst{5-4} = 0b01;
2398 let Inst{20-16} = sat_imm;
2399 let Inst{15-12} = Rd;
2400 let Inst{11-7} = sh{7-3};
2401 let Inst{6} = sh{0};
2405 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2406 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2407 [/* For disassembly only; pattern left blank */]> {
2411 let Inst{27-20} = 0b01101010;
2412 let Inst{11-4} = 0b11110011;
2413 let Inst{15-12} = Rd;
2414 let Inst{19-16} = sat_imm;
2418 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2419 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2420 [/* For disassembly only; pattern left blank */]> {
2425 let Inst{27-21} = 0b0110111;
2426 let Inst{5-4} = 0b01;
2427 let Inst{15-12} = Rd;
2428 let Inst{11-7} = sh{7-3};
2429 let Inst{6} = sh{0};
2430 let Inst{20-16} = sat_imm;
2434 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2435 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2436 [/* For disassembly only; pattern left blank */]> {
2440 let Inst{27-20} = 0b01101110;
2441 let Inst{11-4} = 0b11110011;
2442 let Inst{15-12} = Rd;
2443 let Inst{19-16} = sat_imm;
2447 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2448 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2450 //===----------------------------------------------------------------------===//
2451 // Bitwise Instructions.
2454 defm AND : AsI1_bin_irs<0b0000, "and",
2455 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2456 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2457 defm ORR : AsI1_bin_irs<0b1100, "orr",
2458 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2459 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2460 defm EOR : AsI1_bin_irs<0b0001, "eor",
2461 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2462 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2463 defm BIC : AsI1_bin_irs<0b1110, "bic",
2464 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2465 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2467 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2468 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2469 "bfc", "\t$Rd, $imm", "$src = $Rd",
2470 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2471 Requires<[IsARM, HasV6T2]> {
2474 let Inst{27-21} = 0b0111110;
2475 let Inst{6-0} = 0b0011111;
2476 let Inst{15-12} = Rd;
2477 let Inst{11-7} = imm{4-0}; // lsb
2478 let Inst{20-16} = imm{9-5}; // width
2481 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2482 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2483 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2484 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2485 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2486 bf_inv_mask_imm:$imm))]>,
2487 Requires<[IsARM, HasV6T2]> {
2491 let Inst{27-21} = 0b0111110;
2492 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2493 let Inst{15-12} = Rd;
2494 let Inst{11-7} = imm{4-0}; // lsb
2495 let Inst{20-16} = imm{9-5}; // width
2499 // GNU as only supports this form of bfi (w/ 4 arguments)
2500 let isAsmParserOnly = 1 in
2501 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2502 lsb_pos_imm:$lsb, width_imm:$width),
2503 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2504 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2505 []>, Requires<[IsARM, HasV6T2]> {
2510 let Inst{27-21} = 0b0111110;
2511 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2512 let Inst{15-12} = Rd;
2513 let Inst{11-7} = lsb;
2514 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2518 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2519 "mvn", "\t$Rd, $Rm",
2520 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2524 let Inst{19-16} = 0b0000;
2525 let Inst{11-4} = 0b00000000;
2526 let Inst{15-12} = Rd;
2529 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2530 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2531 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2535 let Inst{19-16} = 0b0000;
2536 let Inst{15-12} = Rd;
2537 let Inst{11-0} = shift;
2539 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2540 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2541 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2542 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2546 let Inst{19-16} = 0b0000;
2547 let Inst{15-12} = Rd;
2548 let Inst{11-0} = imm;
2551 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2552 (BICri GPR:$src, so_imm_not:$imm)>;
2554 //===----------------------------------------------------------------------===//
2555 // Multiply Instructions.
2557 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2558 string opc, string asm, list<dag> pattern>
2559 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2563 let Inst{19-16} = Rd;
2564 let Inst{11-8} = Rm;
2567 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2568 string opc, string asm, list<dag> pattern>
2569 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2574 let Inst{19-16} = RdHi;
2575 let Inst{15-12} = RdLo;
2576 let Inst{11-8} = Rm;
2580 let isCommutable = 1 in {
2581 let Constraints = "@earlyclobber $Rd" in
2582 def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2583 pred:$p, cc_out:$s),
2584 Size4Bytes, IIC_iMUL32,
2585 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2586 Requires<[IsARM, NoV6]>;
2588 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2589 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2590 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2591 Requires<[IsARM, HasV6]>;
2594 let Constraints = "@earlyclobber $Rd" in
2595 def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
2596 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2597 Size4Bytes, IIC_iMAC32,
2598 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2599 Requires<[IsARM, NoV6]> {
2601 let Inst{15-12} = Ra;
2603 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2604 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2605 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2606 Requires<[IsARM, HasV6]> {
2608 let Inst{15-12} = Ra;
2611 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2612 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2613 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2614 Requires<[IsARM, HasV6T2]> {
2619 let Inst{19-16} = Rd;
2620 let Inst{15-12} = Ra;
2621 let Inst{11-8} = Rm;
2625 // Extra precision multiplies with low / high results
2627 let neverHasSideEffects = 1 in {
2628 let isCommutable = 1 in {
2629 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2630 def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2631 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2632 Size4Bytes, IIC_iMUL64, []>,
2633 Requires<[IsARM, NoV6]>;
2635 def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2636 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2637 Size4Bytes, IIC_iMUL64, []>,
2638 Requires<[IsARM, NoV6]>;
2641 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2642 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2643 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2644 Requires<[IsARM, HasV6]>;
2646 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2647 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2648 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2649 Requires<[IsARM, HasV6]>;
2652 // Multiply + accumulate
2653 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2654 def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2655 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2656 Size4Bytes, IIC_iMAC64, []>,
2657 Requires<[IsARM, NoV6]>;
2658 def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2659 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2660 Size4Bytes, IIC_iMAC64, []>,
2661 Requires<[IsARM, NoV6]>;
2662 def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2663 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2664 Size4Bytes, IIC_iMAC64, []>,
2665 Requires<[IsARM, NoV6]>;
2669 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2670 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2671 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2672 Requires<[IsARM, HasV6]>;
2673 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2674 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2675 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2676 Requires<[IsARM, HasV6]>;
2678 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2679 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2680 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2681 Requires<[IsARM, HasV6]> {
2686 let Inst{19-16} = RdLo;
2687 let Inst{15-12} = RdHi;
2688 let Inst{11-8} = Rm;
2691 } // neverHasSideEffects
2693 // Most significant word multiply
2694 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2695 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2696 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2697 Requires<[IsARM, HasV6]> {
2698 let Inst{15-12} = 0b1111;
2701 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2702 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2703 [/* For disassembly only; pattern left blank */]>,
2704 Requires<[IsARM, HasV6]> {
2705 let Inst{15-12} = 0b1111;
2708 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2709 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2710 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2711 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2712 Requires<[IsARM, HasV6]>;
2714 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2715 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2716 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2717 [/* For disassembly only; pattern left blank */]>,
2718 Requires<[IsARM, HasV6]>;
2720 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2721 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2722 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2723 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2724 Requires<[IsARM, HasV6]>;
2726 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2727 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2728 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2729 [/* For disassembly only; pattern left blank */]>,
2730 Requires<[IsARM, HasV6]>;
2732 multiclass AI_smul<string opc, PatFrag opnode> {
2733 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2734 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2735 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2736 (sext_inreg GPR:$Rm, i16)))]>,
2737 Requires<[IsARM, HasV5TE]>;
2739 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2740 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2741 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2742 (sra GPR:$Rm, (i32 16))))]>,
2743 Requires<[IsARM, HasV5TE]>;
2745 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2746 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2747 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2748 (sext_inreg GPR:$Rm, i16)))]>,
2749 Requires<[IsARM, HasV5TE]>;
2751 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2752 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2753 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2754 (sra GPR:$Rm, (i32 16))))]>,
2755 Requires<[IsARM, HasV5TE]>;
2757 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2758 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2759 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2760 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2761 Requires<[IsARM, HasV5TE]>;
2763 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2764 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2765 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2766 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2767 Requires<[IsARM, HasV5TE]>;
2771 multiclass AI_smla<string opc, PatFrag opnode> {
2772 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2773 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2774 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2775 [(set GPR:$Rd, (add GPR:$Ra,
2776 (opnode (sext_inreg GPR:$Rn, i16),
2777 (sext_inreg GPR:$Rm, i16))))]>,
2778 Requires<[IsARM, HasV5TE]>;
2780 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2781 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2782 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2783 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2784 (sra GPR:$Rm, (i32 16)))))]>,
2785 Requires<[IsARM, HasV5TE]>;
2787 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2788 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2789 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2790 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2791 (sext_inreg GPR:$Rm, i16))))]>,
2792 Requires<[IsARM, HasV5TE]>;
2794 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2795 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2796 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2797 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2798 (sra GPR:$Rm, (i32 16)))))]>,
2799 Requires<[IsARM, HasV5TE]>;
2801 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2802 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2803 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2804 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2805 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2806 Requires<[IsARM, HasV5TE]>;
2808 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2809 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2810 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2811 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2812 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2813 Requires<[IsARM, HasV5TE]>;
2816 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2817 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2819 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2820 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2821 (ins GPR:$Rn, GPR:$Rm),
2822 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2823 [/* For disassembly only; pattern left blank */]>,
2824 Requires<[IsARM, HasV5TE]>;
2826 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2827 (ins GPR:$Rn, GPR:$Rm),
2828 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2829 [/* For disassembly only; pattern left blank */]>,
2830 Requires<[IsARM, HasV5TE]>;
2832 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2833 (ins GPR:$Rn, GPR:$Rm),
2834 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2835 [/* For disassembly only; pattern left blank */]>,
2836 Requires<[IsARM, HasV5TE]>;
2838 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2839 (ins GPR:$Rn, GPR:$Rm),
2840 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2841 [/* For disassembly only; pattern left blank */]>,
2842 Requires<[IsARM, HasV5TE]>;
2844 // Helper class for AI_smld -- for disassembly only
2845 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2846 InstrItinClass itin, string opc, string asm>
2847 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2854 let Inst{21-20} = 0b00;
2855 let Inst{22} = long;
2856 let Inst{27-23} = 0b01110;
2857 let Inst{11-8} = Rm;
2860 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2861 InstrItinClass itin, string opc, string asm>
2862 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2864 let Inst{15-12} = 0b1111;
2865 let Inst{19-16} = Rd;
2867 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2868 InstrItinClass itin, string opc, string asm>
2869 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2871 let Inst{15-12} = Ra;
2873 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2874 InstrItinClass itin, string opc, string asm>
2875 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2878 let Inst{19-16} = RdHi;
2879 let Inst{15-12} = RdLo;
2882 multiclass AI_smld<bit sub, string opc> {
2884 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2885 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2887 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2888 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2890 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2891 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2892 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2894 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2895 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2896 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2900 defm SMLA : AI_smld<0, "smla">;
2901 defm SMLS : AI_smld<1, "smls">;
2903 multiclass AI_sdml<bit sub, string opc> {
2905 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2906 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2907 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2908 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2911 defm SMUA : AI_sdml<0, "smua">;
2912 defm SMUS : AI_sdml<1, "smus">;
2914 //===----------------------------------------------------------------------===//
2915 // Misc. Arithmetic Instructions.
2918 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2919 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2920 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2922 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2923 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2924 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2925 Requires<[IsARM, HasV6T2]>;
2927 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2928 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2929 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2931 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2932 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2934 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2935 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2936 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2937 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2938 Requires<[IsARM, HasV6]>;
2940 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2941 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2944 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2945 (shl GPR:$Rm, (i32 8))), i16))]>,
2946 Requires<[IsARM, HasV6]>;
2948 def lsl_shift_imm : SDNodeXForm<imm, [{
2949 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2950 return CurDAG->getTargetConstant(Sh, MVT::i32);
2953 def lsl_amt : PatLeaf<(i32 imm), [{
2954 return (N->getZExtValue() < 32);
2957 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2958 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2959 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2960 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2961 (and (shl GPR:$Rm, lsl_amt:$sh),
2963 Requires<[IsARM, HasV6]>;
2965 // Alternate cases for PKHBT where identities eliminate some nodes.
2966 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2967 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2968 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2969 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2971 def asr_shift_imm : SDNodeXForm<imm, [{
2972 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2973 return CurDAG->getTargetConstant(Sh, MVT::i32);
2976 def asr_amt : PatLeaf<(i32 imm), [{
2977 return (N->getZExtValue() <= 32);
2980 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2981 // will match the pattern below.
2982 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2983 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2984 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2985 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2986 (and (sra GPR:$Rm, asr_amt:$sh),
2988 Requires<[IsARM, HasV6]>;
2990 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2991 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2992 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2993 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2994 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2995 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2996 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2998 //===----------------------------------------------------------------------===//
2999 // Comparison Instructions...
3002 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3003 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3004 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3006 // ARMcmpZ can re-use the above instruction definitions.
3007 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3008 (CMPri GPR:$src, so_imm:$imm)>;
3009 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3010 (CMPrr GPR:$src, GPR:$rhs)>;
3011 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3012 (CMPrs GPR:$src, so_reg:$rhs)>;
3014 // FIXME: We have to be careful when using the CMN instruction and comparison
3015 // with 0. One would expect these two pieces of code should give identical
3031 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3032 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3033 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3034 // value of r0 and the carry bit (because the "carry bit" parameter to
3035 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3036 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3037 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3038 // parameter to AddWithCarry is defined as 0).
3040 // When x is 0 and unsigned:
3044 // ~x + 1 = 0x1 0000 0000
3045 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3047 // Therefore, we should disable CMN when comparing against zero, until we can
3048 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3049 // when it's a comparison which doesn't look at the 'carry' flag).
3051 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3053 // This is related to <rdar://problem/7569620>.
3055 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3056 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3058 // Note that TST/TEQ don't set all the same flags that CMP does!
3059 defm TST : AI1_cmp_irs<0b1000, "tst",
3060 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3061 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3062 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3063 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3064 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3066 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3067 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3068 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3070 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3071 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3073 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3074 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3076 // Pseudo i64 compares for some floating point compares.
3077 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3079 def BCCi64 : PseudoInst<(outs),
3080 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3082 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3084 def BCCZi64 : PseudoInst<(outs),
3085 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3086 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3087 } // usesCustomInserter
3090 // Conditional moves
3091 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3092 // a two-value operand where a dag node expects two operands. :(
3093 // FIXME: These should all be pseudo-instructions that get expanded to
3094 // the normal MOV instructions. That would fix the dependency on
3095 // special casing them in tblgen.
3096 let neverHasSideEffects = 1 in {
3097 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
3098 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
3099 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3100 RegConstraint<"$false = $Rd">, UnaryDP {
3105 let Inst{15-12} = Rd;
3106 let Inst{11-4} = 0b00000000;
3110 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
3111 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
3112 "mov", "\t$Rd, $shift",
3113 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3114 RegConstraint<"$false = $Rd">, UnaryDP {
3119 let Inst{19-16} = 0;
3120 let Inst{15-12} = Rd;
3121 let Inst{11-0} = shift;
3124 let isMoveImm = 1 in
3125 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm_hilo16:$imm),
3127 "movw", "\t$Rd, $imm",
3129 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3135 let Inst{19-16} = imm{15-12};
3136 let Inst{15-12} = Rd;
3137 let Inst{11-0} = imm{11-0};
3140 let isMoveImm = 1 in
3141 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3142 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3143 "mov", "\t$Rd, $imm",
3144 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3145 RegConstraint<"$false = $Rd">, UnaryDP {
3150 let Inst{19-16} = 0b0000;
3151 let Inst{15-12} = Rd;
3152 let Inst{11-0} = imm;
3155 // Two instruction predicate mov immediate.
3156 let isMoveImm = 1 in
3157 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3158 (ins GPR:$false, i32imm:$src, pred:$p),
3159 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3161 let isMoveImm = 1 in
3162 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3163 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3164 "mvn", "\t$Rd, $imm",
3165 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3166 RegConstraint<"$false = $Rd">, UnaryDP {
3171 let Inst{19-16} = 0b0000;
3172 let Inst{15-12} = Rd;
3173 let Inst{11-0} = imm;
3175 } // neverHasSideEffects
3177 //===----------------------------------------------------------------------===//
3178 // Atomic operations intrinsics
3181 def memb_opt : Operand<i32> {
3182 let PrintMethod = "printMemBOption";
3185 // memory barriers protect the atomic sequences
3186 let hasSideEffects = 1 in {
3187 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3188 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3189 Requires<[IsARM, HasDB]> {
3191 let Inst{31-4} = 0xf57ff05;
3192 let Inst{3-0} = opt;
3195 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3196 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3197 [(ARMMemBarrierMCR GPR:$zero)]>,
3198 Requires<[IsARM, HasV6]> {
3199 // FIXME: add encoding
3203 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3205 [/* For disassembly only; pattern left blank */]>,
3206 Requires<[IsARM, HasDB]> {
3208 let Inst{31-4} = 0xf57ff04;
3209 let Inst{3-0} = opt;
3212 // ISB has only full system option -- for disassembly only
3213 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3214 Requires<[IsARM, HasDB]> {
3215 let Inst{31-4} = 0xf57ff06;
3216 let Inst{3-0} = 0b1111;
3219 let usesCustomInserter = 1 in {
3220 let Uses = [CPSR] in {
3221 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3222 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3223 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3224 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3225 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3226 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3227 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3228 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3229 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3230 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3231 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3232 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3233 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3234 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3235 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3236 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3237 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3238 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3239 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3240 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3241 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3242 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3243 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3244 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3245 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3246 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3247 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3248 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3249 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3250 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3251 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3252 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3253 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3254 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3255 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3256 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3257 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3258 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3259 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3260 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3261 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3262 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3263 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3264 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3265 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3266 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3267 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3268 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3269 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3270 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3271 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3272 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3273 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3274 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3276 def ATOMIC_SWAP_I8 : PseudoInst<
3277 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3278 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3279 def ATOMIC_SWAP_I16 : PseudoInst<
3280 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3281 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3282 def ATOMIC_SWAP_I32 : PseudoInst<
3283 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3284 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3286 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3287 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3288 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3289 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3290 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3291 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3292 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3293 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3294 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3298 let mayLoad = 1 in {
3299 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3300 "ldrexb", "\t$Rt, [$Rn]",
3302 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3303 "ldrexh", "\t$Rt, [$Rn]",
3305 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3306 "ldrex", "\t$Rt, [$Rn]",
3308 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3310 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3314 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3315 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3317 "strexb", "\t$Rd, $src, [$Rn]",
3319 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3321 "strexh", "\t$Rd, $Rt, [$Rn]",
3323 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3325 "strex", "\t$Rd, $Rt, [$Rn]",
3327 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3328 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3330 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3334 // Clear-Exclusive is for disassembly only.
3335 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3336 [/* For disassembly only; pattern left blank */]>,
3337 Requires<[IsARM, HasV7]> {
3338 let Inst{31-0} = 0b11110101011111111111000000011111;
3341 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3342 let mayLoad = 1 in {
3343 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3344 [/* For disassembly only; pattern left blank */]>;
3345 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3346 [/* For disassembly only; pattern left blank */]>;
3349 //===----------------------------------------------------------------------===//
3353 // __aeabi_read_tp preserves the registers r1-r3.
3354 // This is a pseudo inst so that we can get the encoding right,
3355 // complete with fixup for the aeabi_read_tp function.
3357 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3358 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3359 [(set R0, ARMthread_pointer)]>;
3362 //===----------------------------------------------------------------------===//
3363 // SJLJ Exception handling intrinsics
3364 // eh_sjlj_setjmp() is an instruction sequence to store the return
3365 // address and save #0 in R0 for the non-longjmp case.
3366 // Since by its nature we may be coming from some other function to get
3367 // here, and we're using the stack frame for the containing function to
3368 // save/restore registers, we can't keep anything live in regs across
3369 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3370 // when we get here from a longjmp(). We force everthing out of registers
3371 // except for our own input by listing the relevant registers in Defs. By
3372 // doing so, we also cause the prologue/epilogue code to actively preserve
3373 // all of the callee-saved resgisters, which is exactly what we want.
3374 // A constant value is passed in $val, and we use the location as a scratch.
3376 // These are pseudo-instructions and are lowered to individual MC-insts, so
3377 // no encoding information is necessary.
3379 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3380 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3381 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3382 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3383 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3385 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3386 Requires<[IsARM, HasVFP2]>;
3390 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3391 hasSideEffects = 1, isBarrier = 1 in {
3392 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3394 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3395 Requires<[IsARM, NoVFP]>;
3398 // FIXME: Non-Darwin version(s)
3399 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3400 Defs = [ R7, LR, SP ] in {
3401 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3403 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3404 Requires<[IsARM, IsDarwin]>;
3407 // eh.sjlj.dispatchsetup pseudo-instruction.
3408 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3409 // handled when the pseudo is expanded (which happens before any passes
3410 // that need the instruction size).
3411 let isBarrier = 1, hasSideEffects = 1 in
3412 def Int_eh_sjlj_dispatchsetup :
3413 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3414 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3415 Requires<[IsDarwin]>;
3417 //===----------------------------------------------------------------------===//
3418 // Non-Instruction Patterns
3421 // Large immediate handling.
3423 // 32-bit immediate using two piece so_imms or movw + movt.
3424 // This is a single pseudo instruction, the benefit is that it can be remat'd
3425 // as a single unit instead of having to handle reg inputs.
3426 // FIXME: Remove this when we can do generalized remat.
3427 let isReMaterializable = 1, isMoveImm = 1 in
3428 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3429 [(set GPR:$dst, (arm_i32imm:$src))]>,
3432 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3433 // It also makes it possible to rematerialize the instructions.
3434 // FIXME: Remove this when we can do generalized remat and when machine licm
3435 // can properly the instructions.
3436 let isReMaterializable = 1 in {
3437 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3439 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3440 Requires<[IsARM, UseMovt]>;
3442 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3444 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3445 Requires<[IsARM, UseMovt]>;
3447 let AddedComplexity = 10 in
3448 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3450 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3451 Requires<[IsARM, UseMovt]>;
3452 } // isReMaterializable
3454 // ConstantPool, GlobalAddress, and JumpTable
3455 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3456 Requires<[IsARM, DontUseMovt]>;
3457 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3458 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3459 Requires<[IsARM, UseMovt]>;
3460 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3461 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3463 // TODO: add,sub,and, 3-instr forms?
3466 def : ARMPat<(ARMtcret tcGPR:$dst),
3467 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3469 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3470 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3472 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3473 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3475 def : ARMPat<(ARMtcret tcGPR:$dst),
3476 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3478 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3479 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3481 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3482 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3485 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3486 Requires<[IsARM, IsNotDarwin]>;
3487 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3488 Requires<[IsARM, IsDarwin]>;
3490 // zextload i1 -> zextload i8
3491 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3492 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3494 // extload -> zextload
3495 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3496 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3497 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3498 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3500 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3502 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3503 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3506 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3507 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3508 (SMULBB GPR:$a, GPR:$b)>;
3509 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3510 (SMULBB GPR:$a, GPR:$b)>;
3511 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3512 (sra GPR:$b, (i32 16))),
3513 (SMULBT GPR:$a, GPR:$b)>;
3514 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3515 (SMULBT GPR:$a, GPR:$b)>;
3516 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3517 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3518 (SMULTB GPR:$a, GPR:$b)>;
3519 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3520 (SMULTB GPR:$a, GPR:$b)>;
3521 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3523 (SMULWB GPR:$a, GPR:$b)>;
3524 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3525 (SMULWB GPR:$a, GPR:$b)>;
3527 def : ARMV5TEPat<(add GPR:$acc,
3528 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3529 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3530 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3531 def : ARMV5TEPat<(add GPR:$acc,
3532 (mul sext_16_node:$a, sext_16_node:$b)),
3533 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3534 def : ARMV5TEPat<(add GPR:$acc,
3535 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3536 (sra GPR:$b, (i32 16)))),
3537 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3538 def : ARMV5TEPat<(add GPR:$acc,
3539 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3540 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3541 def : ARMV5TEPat<(add GPR:$acc,
3542 (mul (sra GPR:$a, (i32 16)),
3543 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3544 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3545 def : ARMV5TEPat<(add GPR:$acc,
3546 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3547 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3548 def : ARMV5TEPat<(add GPR:$acc,
3549 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3551 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3552 def : ARMV5TEPat<(add GPR:$acc,
3553 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3554 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3556 //===----------------------------------------------------------------------===//
3560 include "ARMInstrThumb.td"
3562 //===----------------------------------------------------------------------===//
3566 include "ARMInstrThumb2.td"
3568 //===----------------------------------------------------------------------===//
3569 // Floating Point Support
3572 include "ARMInstrVFP.td"
3574 //===----------------------------------------------------------------------===//
3575 // Advanced SIMD (NEON) Support
3578 include "ARMInstrNEON.td"
3580 //===----------------------------------------------------------------------===//
3581 // Coprocessor Instructions. For disassembly only.
3584 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3585 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3586 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3587 [/* For disassembly only; pattern left blank */]> {
3595 let Inst{3-0} = CRm;
3597 let Inst{7-5} = opc2;
3598 let Inst{11-8} = cop;
3599 let Inst{15-12} = CRd;
3600 let Inst{19-16} = CRn;
3601 let Inst{23-20} = opc1;
3604 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3605 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3606 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3607 [/* For disassembly only; pattern left blank */]> {
3608 let Inst{31-28} = 0b1111;
3616 let Inst{3-0} = CRm;
3618 let Inst{7-5} = opc2;
3619 let Inst{11-8} = cop;
3620 let Inst{15-12} = CRd;
3621 let Inst{19-16} = CRn;
3622 let Inst{23-20} = opc1;
3625 class ACI<dag oops, dag iops, string opc, string asm>
3626 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3627 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3628 let Inst{27-25} = 0b110;
3631 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3633 def _OFFSET : ACI<(outs),
3634 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3635 opc, "\tp$cop, cr$CRd, $addr"> {
3636 let Inst{31-28} = op31_28;
3637 let Inst{24} = 1; // P = 1
3638 let Inst{21} = 0; // W = 0
3639 let Inst{22} = 0; // D = 0
3640 let Inst{20} = load;
3643 def _PRE : ACI<(outs),
3644 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3645 opc, "\tp$cop, cr$CRd, $addr!"> {
3646 let Inst{31-28} = op31_28;
3647 let Inst{24} = 1; // P = 1
3648 let Inst{21} = 1; // W = 1
3649 let Inst{22} = 0; // D = 0
3650 let Inst{20} = load;
3653 def _POST : ACI<(outs),
3654 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3655 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3656 let Inst{31-28} = op31_28;
3657 let Inst{24} = 0; // P = 0
3658 let Inst{21} = 1; // W = 1
3659 let Inst{22} = 0; // D = 0
3660 let Inst{20} = load;
3663 def _OPTION : ACI<(outs),
3664 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3665 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3666 let Inst{31-28} = op31_28;
3667 let Inst{24} = 0; // P = 0
3668 let Inst{23} = 1; // U = 1
3669 let Inst{21} = 0; // W = 0
3670 let Inst{22} = 0; // D = 0
3671 let Inst{20} = load;
3674 def L_OFFSET : ACI<(outs),
3675 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3676 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3677 let Inst{31-28} = op31_28;
3678 let Inst{24} = 1; // P = 1
3679 let Inst{21} = 0; // W = 0
3680 let Inst{22} = 1; // D = 1
3681 let Inst{20} = load;
3684 def L_PRE : ACI<(outs),
3685 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3686 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3687 let Inst{31-28} = op31_28;
3688 let Inst{24} = 1; // P = 1
3689 let Inst{21} = 1; // W = 1
3690 let Inst{22} = 1; // D = 1
3691 let Inst{20} = load;
3694 def L_POST : ACI<(outs),
3695 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3696 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3697 let Inst{31-28} = op31_28;
3698 let Inst{24} = 0; // P = 0
3699 let Inst{21} = 1; // W = 1
3700 let Inst{22} = 1; // D = 1
3701 let Inst{20} = load;
3704 def L_OPTION : ACI<(outs),
3705 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3706 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3707 let Inst{31-28} = op31_28;
3708 let Inst{24} = 0; // P = 0
3709 let Inst{23} = 1; // U = 1
3710 let Inst{21} = 0; // W = 0
3711 let Inst{22} = 1; // D = 1
3712 let Inst{20} = load;
3716 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3717 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3718 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3719 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3721 //===----------------------------------------------------------------------===//
3722 // Move between coprocessor and ARM core register -- for disassembly only
3725 class MovRCopro<string opc, bit direction>
3726 : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3727 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3728 NoItinerary, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
3729 [/* For disassembly only; pattern left blank */]> {
3730 let Inst{20} = direction;
3740 let Inst{15-12} = Rt;
3741 let Inst{11-8} = cop;
3742 let Inst{23-21} = opc1;
3743 let Inst{7-5} = opc2;
3744 let Inst{3-0} = CRm;
3745 let Inst{19-16} = CRn;
3748 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */>;
3749 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */>;
3751 class MovRCopro2<string opc, bit direction>
3752 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3753 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3754 NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
3755 [/* For disassembly only; pattern left blank */]> {
3756 let Inst{31-28} = 0b1111;
3757 let Inst{20} = direction;
3767 let Inst{15-12} = Rt;
3768 let Inst{11-8} = cop;
3769 let Inst{23-21} = opc1;
3770 let Inst{7-5} = opc2;
3771 let Inst{3-0} = CRm;
3772 let Inst{19-16} = CRn;
3775 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */>;
3776 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */>;
3778 class MovRRCopro<string opc, bit direction>
3779 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3780 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3781 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
3782 [/* For disassembly only; pattern left blank */]> {
3783 let Inst{23-21} = 0b010;
3784 let Inst{20} = direction;
3792 let Inst{15-12} = Rt;
3793 let Inst{19-16} = Rt2;
3794 let Inst{11-8} = cop;
3795 let Inst{7-4} = opc1;
3796 let Inst{3-0} = CRm;
3799 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */>;
3800 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3802 class MovRRCopro2<string opc, bit direction>
3803 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3804 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3805 NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"),
3806 [/* For disassembly only; pattern left blank */]> {
3807 let Inst{31-28} = 0b1111;
3808 let Inst{23-21} = 0b010;
3809 let Inst{20} = direction;
3817 let Inst{15-12} = Rt;
3818 let Inst{19-16} = Rt2;
3819 let Inst{11-8} = cop;
3820 let Inst{7-4} = opc1;
3821 let Inst{3-0} = CRm;
3824 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */>;
3825 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3827 //===----------------------------------------------------------------------===//
3828 // Move between special register and ARM core register -- for disassembly only
3831 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3832 [/* For disassembly only; pattern left blank */]> {
3834 let Inst{23-16} = 0b00001111;
3835 let Inst{15-12} = Rd;
3836 let Inst{7-4} = 0b0000;
3839 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3840 [/* For disassembly only; pattern left blank */]> {
3842 let Inst{23-16} = 0b01001111;
3843 let Inst{15-12} = Rd;
3844 let Inst{7-4} = 0b0000;
3847 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3848 "msr", "\tcpsr$mask, $src",
3849 [/* For disassembly only; pattern left blank */]> {
3850 let Inst{23-20} = 0b0010;
3851 let Inst{7-4} = 0b0000;
3854 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3855 "msr", "\tcpsr$mask, $a",
3856 [/* For disassembly only; pattern left blank */]> {
3857 let Inst{23-20} = 0b0010;
3858 let Inst{7-4} = 0b0000;
3861 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3862 "msr", "\tspsr$mask, $src",
3863 [/* For disassembly only; pattern left blank */]> {
3864 let Inst{23-20} = 0b0110;
3865 let Inst{7-4} = 0b0000;
3868 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3869 "msr", "\tspsr$mask, $a",
3870 [/* For disassembly only; pattern left blank */]> {
3871 let Inst{23-20} = 0b0110;
3872 let Inst{7-4} = 0b0000;