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,
97 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
98 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
100 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
102 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
105 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
108 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
111 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
112 [SDNPOutGlue, SDNPCommutative]>;
114 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
116 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
117 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
118 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
120 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
121 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
122 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
123 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
124 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
125 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
126 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
129 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
131 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
133 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDTPrefetch,
134 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
136 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
138 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
139 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
142 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
144 //===----------------------------------------------------------------------===//
145 // ARM Instruction Predicate Definitions.
147 def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
148 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
149 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
150 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
151 def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
152 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
153 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
154 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
155 def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
156 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
157 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
158 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
159 def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
160 def HasFP16 : Predicate<"Subtarget->hasFP16()">, AssemblerPredicate;
161 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
162 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
164 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
166 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
168 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
169 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
170 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
171 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
172 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
173 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
174 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
175 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
177 // FIXME: Eventually this will be just "hasV6T2Ops".
178 def UseMovt : Predicate<"Subtarget->useMovt()">;
179 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
180 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
182 //===----------------------------------------------------------------------===//
183 // ARM Flag Definitions.
185 class RegConstraint<string C> {
186 string Constraints = C;
189 //===----------------------------------------------------------------------===//
190 // ARM specific transformation functions and pattern fragments.
193 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
194 // so_imm_neg def below.
195 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
196 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
199 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
200 // so_imm_not def below.
201 def so_imm_not_XFORM : SDNodeXForm<imm, [{
202 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
205 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
206 def imm1_15 : PatLeaf<(i32 imm), [{
207 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
210 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
211 def imm16_31 : PatLeaf<(i32 imm), [{
212 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
217 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
218 }], so_imm_neg_XFORM>;
222 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
223 }], so_imm_not_XFORM>;
225 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
226 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
227 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
230 /// Split a 32-bit immediate into two 16 bit parts.
231 def hi16 : SDNodeXForm<imm, [{
232 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
235 def lo16AllZero : PatLeaf<(i32 imm), [{
236 // Returns true if all low 16-bits are 0.
237 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
240 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
242 def imm0_65535 : PatLeaf<(i32 imm), [{
243 return (uint32_t)N->getZExtValue() < 65536;
246 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
247 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
249 /// adde and sube predicates - True based on whether the carry flag output
250 /// will be needed or not.
251 def adde_dead_carry :
252 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
253 [{return !N->hasAnyUseOfValue(1);}]>;
254 def sube_dead_carry :
255 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
256 [{return !N->hasAnyUseOfValue(1);}]>;
257 def adde_live_carry :
258 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
259 [{return N->hasAnyUseOfValue(1);}]>;
260 def sube_live_carry :
261 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
262 [{return N->hasAnyUseOfValue(1);}]>;
264 // An 'and' node with a single use.
265 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
266 return N->hasOneUse();
269 // An 'xor' node with a single use.
270 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
271 return N->hasOneUse();
274 // An 'fmul' node with a single use.
275 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
276 return N->hasOneUse();
279 // An 'fadd' node which checks for single non-hazardous use.
280 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
281 return hasNoVMLxHazardUse(N);
284 // An 'fsub' node which checks for single non-hazardous use.
285 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
286 return hasNoVMLxHazardUse(N);
289 //===----------------------------------------------------------------------===//
290 // Operand Definitions.
294 // FIXME: rename brtarget to t2_brtarget
295 def brtarget : Operand<OtherVT> {
296 let EncoderMethod = "getBranchTargetOpValue";
299 // FIXME: get rid of this one?
300 def uncondbrtarget : Operand<OtherVT> {
301 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
304 // Branch target for ARM. Handles conditional/unconditional
305 def br_target : Operand<OtherVT> {
306 let EncoderMethod = "getARMBranchTargetOpValue";
310 // FIXME: rename bltarget to t2_bl_target?
311 def bltarget : Operand<i32> {
312 // Encoded the same as branch targets.
313 let EncoderMethod = "getBranchTargetOpValue";
316 // Call target for ARM. Handles conditional/unconditional
317 // FIXME: rename bl_target to t2_bltarget?
318 def bl_target : Operand<i32> {
319 // Encoded the same as branch targets.
320 let EncoderMethod = "getARMBranchTargetOpValue";
324 // A list of registers separated by comma. Used by load/store multiple.
325 def RegListAsmOperand : AsmOperandClass {
326 let Name = "RegList";
327 let SuperClasses = [];
330 def DPRRegListAsmOperand : AsmOperandClass {
331 let Name = "DPRRegList";
332 let SuperClasses = [];
335 def SPRRegListAsmOperand : AsmOperandClass {
336 let Name = "SPRRegList";
337 let SuperClasses = [];
340 def reglist : Operand<i32> {
341 let EncoderMethod = "getRegisterListOpValue";
342 let ParserMatchClass = RegListAsmOperand;
343 let PrintMethod = "printRegisterList";
346 def dpr_reglist : Operand<i32> {
347 let EncoderMethod = "getRegisterListOpValue";
348 let ParserMatchClass = DPRRegListAsmOperand;
349 let PrintMethod = "printRegisterList";
352 def spr_reglist : Operand<i32> {
353 let EncoderMethod = "getRegisterListOpValue";
354 let ParserMatchClass = SPRRegListAsmOperand;
355 let PrintMethod = "printRegisterList";
358 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
359 def cpinst_operand : Operand<i32> {
360 let PrintMethod = "printCPInstOperand";
364 def pclabel : Operand<i32> {
365 let PrintMethod = "printPCLabel";
368 // ADR instruction labels.
369 def adrlabel : Operand<i32> {
370 let EncoderMethod = "getAdrLabelOpValue";
373 def neon_vcvt_imm32 : Operand<i32> {
374 let EncoderMethod = "getNEONVcvtImm32OpValue";
377 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
378 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
379 int32_t v = (int32_t)N->getZExtValue();
380 return v == 8 || v == 16 || v == 24; }]> {
381 let EncoderMethod = "getRotImmOpValue";
384 // shift_imm: An integer that encodes a shift amount and the type of shift
385 // (currently either asr or lsl) using the same encoding used for the
386 // immediates in so_reg operands.
387 def shift_imm : Operand<i32> {
388 let PrintMethod = "printShiftImmOperand";
391 // shifter_operand operands: so_reg and so_imm.
392 def so_reg : Operand<i32>, // reg reg imm
393 ComplexPattern<i32, 3, "SelectShifterOperandReg",
394 [shl,srl,sra,rotr]> {
395 let EncoderMethod = "getSORegOpValue";
396 let PrintMethod = "printSORegOperand";
397 let MIOperandInfo = (ops GPR, GPR, i32imm);
399 def shift_so_reg : Operand<i32>, // reg reg imm
400 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
401 [shl,srl,sra,rotr]> {
402 let EncoderMethod = "getSORegOpValue";
403 let PrintMethod = "printSORegOperand";
404 let MIOperandInfo = (ops GPR, GPR, i32imm);
407 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
408 // 8-bit immediate rotated by an arbitrary number of bits.
409 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
410 let EncoderMethod = "getSOImmOpValue";
411 let PrintMethod = "printSOImmOperand";
414 // Break so_imm's up into two pieces. This handles immediates with up to 16
415 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
416 // get the first/second pieces.
417 def so_imm2part : PatLeaf<(imm), [{
418 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
421 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
423 def arm_i32imm : PatLeaf<(imm), [{
424 if (Subtarget->hasV6T2Ops())
426 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
429 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
430 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
431 return (int32_t)N->getZExtValue() < 32;
434 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
435 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
436 return (int32_t)N->getZExtValue() < 32;
438 let EncoderMethod = "getImmMinusOneOpValue";
441 // i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
442 // The imm is split into imm{15-12}, imm{11-0}
444 def i32imm_hilo16 : Operand<i32> {
445 let EncoderMethod = "getHiLo16ImmOpValue";
448 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
450 def bf_inv_mask_imm : Operand<i32>,
452 return ARM::isBitFieldInvertedMask(N->getZExtValue());
454 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
455 let PrintMethod = "printBitfieldInvMaskImmOperand";
458 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
459 def lsb_pos_imm : Operand<i32>, PatLeaf<(imm), [{
460 return isInt<5>(N->getSExtValue());
463 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
464 def width_imm : Operand<i32>, PatLeaf<(imm), [{
465 return N->getSExtValue() > 0 && N->getSExtValue() <= 32;
467 let EncoderMethod = "getMsbOpValue";
470 // Define ARM specific addressing modes.
473 // addrmode_imm12 := reg +/- imm12
475 def addrmode_imm12 : Operand<i32>,
476 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
477 // 12-bit immediate operand. Note that instructions using this encode
478 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
479 // immediate values are as normal.
481 let EncoderMethod = "getAddrModeImm12OpValue";
482 let PrintMethod = "printAddrModeImm12Operand";
483 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
485 // ldst_so_reg := reg +/- reg shop imm
487 def ldst_so_reg : Operand<i32>,
488 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
489 let EncoderMethod = "getLdStSORegOpValue";
490 // FIXME: Simplify the printer
491 let PrintMethod = "printAddrMode2Operand";
492 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
495 // addrmode2 := reg +/- imm12
496 // := reg +/- reg shop imm
498 def addrmode2 : Operand<i32>,
499 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
500 let EncoderMethod = "getAddrMode2OpValue";
501 let PrintMethod = "printAddrMode2Operand";
502 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
505 def am2offset : Operand<i32>,
506 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
507 [], [SDNPWantRoot]> {
508 let EncoderMethod = "getAddrMode2OffsetOpValue";
509 let PrintMethod = "printAddrMode2OffsetOperand";
510 let MIOperandInfo = (ops GPR, i32imm);
513 // addrmode3 := reg +/- reg
514 // addrmode3 := reg +/- imm8
516 def addrmode3 : Operand<i32>,
517 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
518 let EncoderMethod = "getAddrMode3OpValue";
519 let PrintMethod = "printAddrMode3Operand";
520 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
523 def am3offset : Operand<i32>,
524 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
525 [], [SDNPWantRoot]> {
526 let EncoderMethod = "getAddrMode3OffsetOpValue";
527 let PrintMethod = "printAddrMode3OffsetOperand";
528 let MIOperandInfo = (ops GPR, i32imm);
531 // ldstm_mode := {ia, ib, da, db}
533 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
534 let EncoderMethod = "getLdStmModeOpValue";
535 let PrintMethod = "printLdStmModeOperand";
538 def MemMode5AsmOperand : AsmOperandClass {
539 let Name = "MemMode5";
540 let SuperClasses = [];
543 // addrmode5 := reg +/- imm8*4
545 def addrmode5 : Operand<i32>,
546 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
547 let PrintMethod = "printAddrMode5Operand";
548 let MIOperandInfo = (ops GPR:$base, i32imm);
549 let ParserMatchClass = MemMode5AsmOperand;
550 let EncoderMethod = "getAddrMode5OpValue";
553 // addrmode6 := reg with optional alignment
555 def addrmode6 : Operand<i32>,
556 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
557 let PrintMethod = "printAddrMode6Operand";
558 let MIOperandInfo = (ops GPR:$addr, i32imm);
559 let EncoderMethod = "getAddrMode6AddressOpValue";
562 def am6offset : Operand<i32>,
563 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
564 [], [SDNPWantRoot]> {
565 let PrintMethod = "printAddrMode6OffsetOperand";
566 let MIOperandInfo = (ops GPR);
567 let EncoderMethod = "getAddrMode6OffsetOpValue";
570 // Special version of addrmode6 to handle alignment encoding for VLD-dup
571 // instructions, specifically VLD4-dup.
572 def addrmode6dup : Operand<i32>,
573 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
574 let PrintMethod = "printAddrMode6Operand";
575 let MIOperandInfo = (ops GPR:$addr, i32imm);
576 let EncoderMethod = "getAddrMode6DupAddressOpValue";
579 // addrmodepc := pc + reg
581 def addrmodepc : Operand<i32>,
582 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
583 let PrintMethod = "printAddrModePCOperand";
584 let MIOperandInfo = (ops GPR, i32imm);
587 def nohash_imm : Operand<i32> {
588 let PrintMethod = "printNoHashImmediate";
591 def CoprocNumAsmOperand : AsmOperandClass {
592 let Name = "CoprocNum";
593 let SuperClasses = [];
594 let ParserMethod = "tryParseCoprocNumOperand";
597 def CoprocRegAsmOperand : AsmOperandClass {
598 let Name = "CoprocReg";
599 let SuperClasses = [];
600 let ParserMethod = "tryParseCoprocRegOperand";
603 def p_imm : Operand<i32> {
604 let PrintMethod = "printPImmediate";
605 let ParserMatchClass = CoprocNumAsmOperand;
608 def c_imm : Operand<i32> {
609 let PrintMethod = "printCImmediate";
610 let ParserMatchClass = CoprocRegAsmOperand;
613 //===----------------------------------------------------------------------===//
615 include "ARMInstrFormats.td"
617 //===----------------------------------------------------------------------===//
618 // Multiclass helpers...
621 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
622 /// binop that produces a value.
623 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
624 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
625 PatFrag opnode, bit Commutable = 0> {
626 // The register-immediate version is re-materializable. This is useful
627 // in particular for taking the address of a local.
628 let isReMaterializable = 1 in {
629 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
630 iii, opc, "\t$Rd, $Rn, $imm",
631 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
636 let Inst{19-16} = Rn;
637 let Inst{15-12} = Rd;
638 let Inst{11-0} = imm;
641 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
642 iir, opc, "\t$Rd, $Rn, $Rm",
643 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
648 let isCommutable = Commutable;
649 let Inst{19-16} = Rn;
650 let Inst{15-12} = Rd;
651 let Inst{11-4} = 0b00000000;
654 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
655 iis, opc, "\t$Rd, $Rn, $shift",
656 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
661 let Inst{19-16} = Rn;
662 let Inst{15-12} = Rd;
663 let Inst{11-0} = shift;
667 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
668 /// instruction modifies the CPSR register.
669 let isCodeGenOnly = 1, Defs = [CPSR] in {
670 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
671 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
672 PatFrag opnode, bit Commutable = 0> {
673 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
674 iii, opc, "\t$Rd, $Rn, $imm",
675 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
681 let Inst{19-16} = Rn;
682 let Inst{15-12} = Rd;
683 let Inst{11-0} = imm;
685 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
686 iir, opc, "\t$Rd, $Rn, $Rm",
687 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
691 let isCommutable = Commutable;
694 let Inst{19-16} = Rn;
695 let Inst{15-12} = Rd;
696 let Inst{11-4} = 0b00000000;
699 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
700 iis, opc, "\t$Rd, $Rn, $shift",
701 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
707 let Inst{19-16} = Rn;
708 let Inst{15-12} = Rd;
709 let Inst{11-0} = shift;
714 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
715 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
716 /// a explicit result, only implicitly set CPSR.
717 let isCompare = 1, Defs = [CPSR] in {
718 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
719 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
720 PatFrag opnode, bit Commutable = 0> {
721 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
723 [(opnode GPR:$Rn, so_imm:$imm)]> {
728 let Inst{19-16} = Rn;
729 let Inst{15-12} = 0b0000;
730 let Inst{11-0} = imm;
732 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
734 [(opnode GPR:$Rn, GPR:$Rm)]> {
737 let isCommutable = Commutable;
740 let Inst{19-16} = Rn;
741 let Inst{15-12} = 0b0000;
742 let Inst{11-4} = 0b00000000;
745 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
746 opc, "\t$Rn, $shift",
747 [(opnode GPR:$Rn, so_reg:$shift)]> {
752 let Inst{19-16} = Rn;
753 let Inst{15-12} = 0b0000;
754 let Inst{11-0} = shift;
759 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
760 /// register and one whose operand is a register rotated by 8/16/24.
761 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
762 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
763 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
764 IIC_iEXTr, opc, "\t$Rd, $Rm",
765 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
766 Requires<[IsARM, HasV6]> {
769 let Inst{19-16} = 0b1111;
770 let Inst{15-12} = Rd;
771 let Inst{11-10} = 0b00;
774 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
775 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
776 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
777 Requires<[IsARM, HasV6]> {
781 let Inst{19-16} = 0b1111;
782 let Inst{15-12} = Rd;
783 let Inst{11-10} = rot;
788 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
789 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
790 IIC_iEXTr, opc, "\t$Rd, $Rm",
791 [/* For disassembly only; pattern left blank */]>,
792 Requires<[IsARM, HasV6]> {
793 let Inst{19-16} = 0b1111;
794 let Inst{11-10} = 0b00;
796 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
797 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
798 [/* For disassembly only; pattern left blank */]>,
799 Requires<[IsARM, HasV6]> {
801 let Inst{19-16} = 0b1111;
802 let Inst{11-10} = rot;
806 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
807 /// register and one whose operand is a register rotated by 8/16/24.
808 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
809 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
810 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
811 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
812 Requires<[IsARM, HasV6]> {
816 let Inst{19-16} = Rn;
817 let Inst{15-12} = Rd;
818 let Inst{11-10} = 0b00;
819 let Inst{9-4} = 0b000111;
822 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
824 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
825 [(set GPR:$Rd, (opnode GPR:$Rn,
826 (rotr GPR:$Rm, rot_imm:$rot)))]>,
827 Requires<[IsARM, HasV6]> {
832 let Inst{19-16} = Rn;
833 let Inst{15-12} = Rd;
834 let Inst{11-10} = rot;
835 let Inst{9-4} = 0b000111;
840 // For disassembly only.
841 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
842 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
843 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
844 [/* For disassembly only; pattern left blank */]>,
845 Requires<[IsARM, HasV6]> {
846 let Inst{11-10} = 0b00;
848 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
850 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
851 [/* For disassembly only; pattern left blank */]>,
852 Requires<[IsARM, HasV6]> {
855 let Inst{19-16} = Rn;
856 let Inst{11-10} = rot;
860 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
861 let Uses = [CPSR] in {
862 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
863 bit Commutable = 0> {
864 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
865 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
866 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
872 let Inst{15-12} = Rd;
873 let Inst{19-16} = Rn;
874 let Inst{11-0} = imm;
876 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
877 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
878 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
883 let Inst{11-4} = 0b00000000;
885 let isCommutable = Commutable;
887 let Inst{15-12} = Rd;
888 let Inst{19-16} = Rn;
890 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
891 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
892 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
898 let Inst{11-0} = shift;
899 let Inst{15-12} = Rd;
900 let Inst{19-16} = Rn;
903 // Carry setting variants
904 let isCodeGenOnly = 1, Defs = [CPSR] in {
905 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
906 bit Commutable = 0> {
907 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
908 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
909 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
914 let Inst{15-12} = Rd;
915 let Inst{19-16} = Rn;
916 let Inst{11-0} = imm;
920 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
921 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
922 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
927 let Inst{11-4} = 0b00000000;
928 let isCommutable = Commutable;
930 let Inst{15-12} = Rd;
931 let Inst{19-16} = Rn;
935 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
936 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
937 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
942 let Inst{11-0} = shift;
943 let Inst{15-12} = Rd;
944 let Inst{19-16} = Rn;
952 let canFoldAsLoad = 1, isReMaterializable = 1 in {
953 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
954 InstrItinClass iir, PatFrag opnode> {
955 // Note: We use the complex addrmode_imm12 rather than just an input
956 // GPR and a constrained immediate so that we can use this to match
957 // frame index references and avoid matching constant pool references.
958 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
959 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
960 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
963 let Inst{23} = addr{12}; // U (add = ('U' == 1))
964 let Inst{19-16} = addr{16-13}; // Rn
965 let Inst{15-12} = Rt;
966 let Inst{11-0} = addr{11-0}; // imm12
968 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
969 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
970 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
973 let Inst{23} = shift{12}; // U (add = ('U' == 1))
974 let Inst{19-16} = shift{16-13}; // Rn
975 let Inst{15-12} = Rt;
976 let Inst{11-0} = shift{11-0};
981 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
982 InstrItinClass iir, PatFrag opnode> {
983 // Note: We use the complex addrmode_imm12 rather than just an input
984 // GPR and a constrained immediate so that we can use this to match
985 // frame index references and avoid matching constant pool references.
986 def i12 : AI2ldst<0b010, 0, isByte, (outs),
987 (ins GPR:$Rt, addrmode_imm12:$addr),
988 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
989 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
992 let Inst{23} = addr{12}; // U (add = ('U' == 1))
993 let Inst{19-16} = addr{16-13}; // Rn
994 let Inst{15-12} = Rt;
995 let Inst{11-0} = addr{11-0}; // imm12
997 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
998 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
999 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1002 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1003 let Inst{19-16} = shift{16-13}; // Rn
1004 let Inst{15-12} = Rt;
1005 let Inst{11-0} = shift{11-0};
1008 //===----------------------------------------------------------------------===//
1010 //===----------------------------------------------------------------------===//
1012 //===----------------------------------------------------------------------===//
1013 // Miscellaneous Instructions.
1016 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1017 /// the function. The first operand is the ID# for this instruction, the second
1018 /// is the index into the MachineConstantPool that this is, the third is the
1019 /// size in bytes of this constant pool entry.
1020 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1021 def CONSTPOOL_ENTRY :
1022 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1023 i32imm:$size), NoItinerary, []>;
1025 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1026 // from removing one half of the matched pairs. That breaks PEI, which assumes
1027 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1028 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1029 def ADJCALLSTACKUP :
1030 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1031 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1033 def ADJCALLSTACKDOWN :
1034 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1035 [(ARMcallseq_start timm:$amt)]>;
1038 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1039 [/* For disassembly only; pattern left blank */]>,
1040 Requires<[IsARM, HasV6T2]> {
1041 let Inst{27-16} = 0b001100100000;
1042 let Inst{15-8} = 0b11110000;
1043 let Inst{7-0} = 0b00000000;
1046 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1047 [/* For disassembly only; pattern left blank */]>,
1048 Requires<[IsARM, HasV6T2]> {
1049 let Inst{27-16} = 0b001100100000;
1050 let Inst{15-8} = 0b11110000;
1051 let Inst{7-0} = 0b00000001;
1054 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1055 [/* For disassembly only; pattern left blank */]>,
1056 Requires<[IsARM, HasV6T2]> {
1057 let Inst{27-16} = 0b001100100000;
1058 let Inst{15-8} = 0b11110000;
1059 let Inst{7-0} = 0b00000010;
1062 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1063 [/* For disassembly only; pattern left blank */]>,
1064 Requires<[IsARM, HasV6T2]> {
1065 let Inst{27-16} = 0b001100100000;
1066 let Inst{15-8} = 0b11110000;
1067 let Inst{7-0} = 0b00000011;
1070 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1072 [/* For disassembly only; pattern left blank */]>,
1073 Requires<[IsARM, HasV6]> {
1078 let Inst{15-12} = Rd;
1079 let Inst{19-16} = Rn;
1080 let Inst{27-20} = 0b01101000;
1081 let Inst{7-4} = 0b1011;
1082 let Inst{11-8} = 0b1111;
1085 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1086 [/* For disassembly only; pattern left blank */]>,
1087 Requires<[IsARM, HasV6T2]> {
1088 let Inst{27-16} = 0b001100100000;
1089 let Inst{15-8} = 0b11110000;
1090 let Inst{7-0} = 0b00000100;
1093 // The i32imm operand $val can be used by a debugger to store more information
1094 // about the breakpoint.
1095 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1096 [/* For disassembly only; pattern left blank */]>,
1099 let Inst{3-0} = val{3-0};
1100 let Inst{19-8} = val{15-4};
1101 let Inst{27-20} = 0b00010010;
1102 let Inst{7-4} = 0b0111;
1105 // Change Processor State is a system instruction -- for disassembly and
1107 // FIXME: Since the asm parser has currently no clean way to handle optional
1108 // operands, create 3 versions of the same instruction. Once there's a clean
1109 // framework to represent optional operands, change this behavior.
1110 class CPS<dag iops, string asm_ops>
1111 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1112 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1118 let Inst{31-28} = 0b1111;
1119 let Inst{27-20} = 0b00010000;
1120 let Inst{19-18} = imod;
1121 let Inst{17} = M; // Enabled if mode is set;
1123 let Inst{8-6} = iflags;
1125 let Inst{4-0} = mode;
1129 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1130 "$imod\t$iflags, $mode">;
1131 let mode = 0, M = 0 in
1132 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1134 let imod = 0, iflags = 0, M = 1 in
1135 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1137 // Preload signals the memory system of possible future data/instruction access.
1138 // These are for disassembly only.
1139 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1141 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1142 !strconcat(opc, "\t$addr"),
1143 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1146 let Inst{31-26} = 0b111101;
1147 let Inst{25} = 0; // 0 for immediate form
1148 let Inst{24} = data;
1149 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1150 let Inst{22} = read;
1151 let Inst{21-20} = 0b01;
1152 let Inst{19-16} = addr{16-13}; // Rn
1153 let Inst{15-12} = 0b1111;
1154 let Inst{11-0} = addr{11-0}; // imm12
1157 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1158 !strconcat(opc, "\t$shift"),
1159 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1161 let Inst{31-26} = 0b111101;
1162 let Inst{25} = 1; // 1 for register form
1163 let Inst{24} = data;
1164 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1165 let Inst{22} = read;
1166 let Inst{21-20} = 0b01;
1167 let Inst{19-16} = shift{16-13}; // Rn
1168 let Inst{15-12} = 0b1111;
1169 let Inst{11-0} = shift{11-0};
1173 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1174 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1175 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1177 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1179 [/* For disassembly only; pattern left blank */]>,
1182 let Inst{31-10} = 0b1111000100000001000000;
1187 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1188 [/* For disassembly only; pattern left blank */]>,
1189 Requires<[IsARM, HasV7]> {
1191 let Inst{27-4} = 0b001100100000111100001111;
1192 let Inst{3-0} = opt;
1195 // A5.4 Permanently UNDEFINED instructions.
1196 let isBarrier = 1, isTerminator = 1 in
1197 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1200 let Inst = 0xe7ffdefe;
1203 // Address computation and loads and stores in PIC mode.
1204 let isNotDuplicable = 1 in {
1205 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1206 Size4Bytes, IIC_iALUr,
1207 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1209 let AddedComplexity = 10 in {
1210 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1211 Size4Bytes, IIC_iLoad_r,
1212 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1214 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1215 Size4Bytes, IIC_iLoad_bh_r,
1216 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1218 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1219 Size4Bytes, IIC_iLoad_bh_r,
1220 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1222 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1223 Size4Bytes, IIC_iLoad_bh_r,
1224 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1226 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1227 Size4Bytes, IIC_iLoad_bh_r,
1228 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1230 let AddedComplexity = 10 in {
1231 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1232 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1234 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1235 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1236 addrmodepc:$addr)]>;
1238 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1239 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1241 } // isNotDuplicable = 1
1244 // LEApcrel - Load a pc-relative address into a register without offending the
1246 let neverHasSideEffects = 1, isReMaterializable = 1 in
1247 // The 'adr' mnemonic encodes differently if the label is before or after
1248 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1249 // know until then which form of the instruction will be used.
1250 def ADR : AI1<0, (outs GPR:$Rd), (ins adrlabel:$label),
1251 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1254 let Inst{27-25} = 0b001;
1256 let Inst{19-16} = 0b1111;
1257 let Inst{15-12} = Rd;
1258 let Inst{11-0} = label;
1260 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1261 Size4Bytes, IIC_iALUi, []>;
1263 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1264 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1265 Size4Bytes, IIC_iALUi, []>;
1267 //===----------------------------------------------------------------------===//
1268 // Control Flow Instructions.
1271 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1273 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1274 "bx", "\tlr", [(ARMretflag)]>,
1275 Requires<[IsARM, HasV4T]> {
1276 let Inst{27-0} = 0b0001001011111111111100011110;
1280 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1281 "mov", "\tpc, lr", [(ARMretflag)]>,
1282 Requires<[IsARM, NoV4T]> {
1283 let Inst{27-0} = 0b0001101000001111000000001110;
1287 // Indirect branches
1288 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1290 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1291 [(brind GPR:$dst)]>,
1292 Requires<[IsARM, HasV4T]> {
1294 let Inst{31-4} = 0b1110000100101111111111110001;
1295 let Inst{3-0} = dst;
1299 // FIXME: We would really like to define this as a vanilla ARMPat like:
1300 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1301 // With that, however, we can't set isBranch, isTerminator, etc..
1302 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1303 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1304 Requires<[IsARM, NoV4T]>;
1307 // All calls clobber the non-callee saved registers. SP is marked as
1308 // a use to prevent stack-pointer assignments that appear immediately
1309 // before calls from potentially appearing dead.
1311 // On non-Darwin platforms R9 is callee-saved.
1312 Defs = [R0, R1, R2, R3, R12, LR,
1313 D0, D1, D2, D3, D4, D5, D6, D7,
1314 D16, D17, D18, D19, D20, D21, D22, D23,
1315 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1317 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1318 IIC_Br, "bl\t$func",
1319 [(ARMcall tglobaladdr:$func)]>,
1320 Requires<[IsARM, IsNotDarwin]> {
1321 let Inst{31-28} = 0b1110;
1323 let Inst{23-0} = func;
1326 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1327 IIC_Br, "bl", "\t$func",
1328 [(ARMcall_pred tglobaladdr:$func)]>,
1329 Requires<[IsARM, IsNotDarwin]> {
1331 let Inst{23-0} = func;
1335 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1336 IIC_Br, "blx\t$func",
1337 [(ARMcall GPR:$func)]>,
1338 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1340 let Inst{31-4} = 0b1110000100101111111111110011;
1341 let Inst{3-0} = func;
1344 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1345 IIC_Br, "blx", "\t$func",
1346 [(ARMcall_pred GPR:$func)]>,
1347 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1349 let Inst{27-4} = 0b000100101111111111110011;
1350 let Inst{3-0} = func;
1354 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1355 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1356 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1357 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1360 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1361 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1362 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1366 // On Darwin R9 is call-clobbered.
1367 // R7 is marked as a use to prevent frame-pointer assignments from being
1368 // moved above / below calls.
1369 Defs = [R0, R1, R2, R3, R9, R12, LR,
1370 D0, D1, D2, D3, D4, D5, D6, D7,
1371 D16, D17, D18, D19, D20, D21, D22, D23,
1372 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1373 Uses = [R7, SP] in {
1374 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1375 IIC_Br, "bl\t$func",
1376 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1377 let Inst{31-28} = 0b1110;
1379 let Inst{23-0} = func;
1382 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1383 IIC_Br, "bl", "\t$func",
1384 [(ARMcall_pred tglobaladdr:$func)]>,
1385 Requires<[IsARM, IsDarwin]> {
1387 let Inst{23-0} = func;
1391 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1392 IIC_Br, "blx\t$func",
1393 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1395 let Inst{31-4} = 0b1110000100101111111111110011;
1396 let Inst{3-0} = func;
1399 def BLXr9_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1400 IIC_Br, "blx", "\t$func",
1401 [(ARMcall_pred GPR:$func)]>,
1402 Requires<[IsARM, HasV5T, IsDarwin]> {
1404 let Inst{27-4} = 0b000100101111111111110011;
1405 let Inst{3-0} = func;
1409 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1410 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1411 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1412 Requires<[IsARM, HasV4T, IsDarwin]>;
1415 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1416 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1417 Requires<[IsARM, NoV4T, IsDarwin]>;
1422 // FIXME: These should probably be xformed into the non-TC versions of the
1423 // instructions as part of MC lowering.
1424 // FIXME: These seem to be used for both Thumb and ARM instruction selection.
1425 // Thumb should have its own version since the instruction is actually
1426 // different, even though the mnemonic is the same.
1427 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1429 let Defs = [R0, R1, R2, R3, R9, R12,
1430 D0, D1, D2, D3, D4, D5, D6, D7,
1431 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1432 D27, D28, D29, D30, D31, PC],
1434 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1435 IIC_Br, []>, Requires<[IsDarwin]>;
1437 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1438 IIC_Br, []>, Requires<[IsDarwin]>;
1440 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1441 IIC_Br, "b\t$dst @ TAILCALL",
1442 []>, Requires<[IsARM, IsDarwin]>;
1444 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1445 IIC_Br, "b.w\t$dst @ TAILCALL",
1446 []>, Requires<[IsThumb, IsDarwin]>;
1448 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1449 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1450 []>, Requires<[IsDarwin]> {
1452 let Inst{31-4} = 0b1110000100101111111111110001;
1453 let Inst{3-0} = dst;
1457 // Non-Darwin versions (the difference is R9).
1458 let Defs = [R0, R1, R2, R3, R12,
1459 D0, D1, D2, D3, D4, D5, D6, D7,
1460 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1461 D27, D28, D29, D30, D31, PC],
1463 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1464 IIC_Br, []>, Requires<[IsNotDarwin]>;
1466 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1467 IIC_Br, []>, Requires<[IsNotDarwin]>;
1469 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1470 IIC_Br, "b\t$dst @ TAILCALL",
1471 []>, Requires<[IsARM, IsNotDarwin]>;
1473 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1474 IIC_Br, "b.w\t$dst @ TAILCALL",
1475 []>, Requires<[IsThumb, IsNotDarwin]>;
1477 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1478 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1479 []>, Requires<[IsNotDarwin]> {
1481 let Inst{31-4} = 0b1110000100101111111111110001;
1482 let Inst{3-0} = dst;
1487 let isBranch = 1, isTerminator = 1 in {
1488 // B is "predicable" since it's just a Bcc with an 'always' condition.
1489 let isBarrier = 1 in {
1490 let isPredicable = 1 in
1491 def B : ARMPseudoInst<(outs), (ins brtarget:$target), Size4Bytes, IIC_Br,
1494 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1495 def BR_JTr : ARMPseudoInst<(outs),
1496 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1497 SizeSpecial, IIC_Br,
1498 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1499 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1500 // into i12 and rs suffixed versions.
1501 def BR_JTm : ARMPseudoInst<(outs),
1502 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1503 SizeSpecial, IIC_Br,
1504 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1506 def BR_JTadd : ARMPseudoInst<(outs),
1507 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1508 SizeSpecial, IIC_Br,
1509 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1511 } // isNotDuplicable = 1, isIndirectBranch = 1
1514 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1515 // a two-value operand where a dag node expects two operands. :(
1516 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1517 IIC_Br, "b", "\t$target",
1518 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1520 let Inst{23-0} = target;
1524 // Branch and Exchange Jazelle -- for disassembly only
1525 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1526 [/* For disassembly only; pattern left blank */]> {
1527 let Inst{23-20} = 0b0010;
1528 //let Inst{19-8} = 0xfff;
1529 let Inst{7-4} = 0b0010;
1532 // Secure Monitor Call is a system instruction -- for disassembly only
1533 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1534 [/* For disassembly only; pattern left blank */]> {
1536 let Inst{23-4} = 0b01100000000000000111;
1537 let Inst{3-0} = opt;
1540 // Supervisor Call (Software Interrupt) -- for disassembly only
1541 let isCall = 1, Uses = [SP] in {
1542 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1543 [/* For disassembly only; pattern left blank */]> {
1545 let Inst{23-0} = svc;
1549 // Store Return State is a system instruction -- for disassembly only
1550 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1551 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1552 NoItinerary, "srs${amode}\tsp!, $mode",
1553 [/* For disassembly only; pattern left blank */]> {
1554 let Inst{31-28} = 0b1111;
1555 let Inst{22-20} = 0b110; // W = 1
1558 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1559 NoItinerary, "srs${amode}\tsp, $mode",
1560 [/* For disassembly only; pattern left blank */]> {
1561 let Inst{31-28} = 0b1111;
1562 let Inst{22-20} = 0b100; // W = 0
1565 // Return From Exception is a system instruction -- for disassembly only
1566 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1567 NoItinerary, "rfe${amode}\t$base!",
1568 [/* For disassembly only; pattern left blank */]> {
1569 let Inst{31-28} = 0b1111;
1570 let Inst{22-20} = 0b011; // W = 1
1573 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1574 NoItinerary, "rfe${amode}\t$base",
1575 [/* For disassembly only; pattern left blank */]> {
1576 let Inst{31-28} = 0b1111;
1577 let Inst{22-20} = 0b001; // W = 0
1579 } // isCodeGenOnly = 1
1581 //===----------------------------------------------------------------------===//
1582 // Load / store Instructions.
1588 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1589 UnOpFrag<(load node:$Src)>>;
1590 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1591 UnOpFrag<(zextloadi8 node:$Src)>>;
1592 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1593 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1594 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1595 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1597 // Special LDR for loads from non-pc-relative constpools.
1598 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1599 isReMaterializable = 1 in
1600 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1601 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1605 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1606 let Inst{19-16} = 0b1111;
1607 let Inst{15-12} = Rt;
1608 let Inst{11-0} = addr{11-0}; // imm12
1611 // Loads with zero extension
1612 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1613 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1614 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1616 // Loads with sign extension
1617 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1618 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1619 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1621 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1622 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1623 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1625 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1626 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1627 // FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
1628 // how to represent that such that tblgen is happy and we don't
1629 // mark this codegen only?
1631 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1632 (ins addrmode3:$addr), LdMiscFrm,
1633 IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
1634 []>, Requires<[IsARM, HasV5TE]>;
1638 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1639 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1640 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1641 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1643 // {13} 1 == Rm, 0 == imm12
1647 let Inst{25} = addr{13};
1648 let Inst{23} = addr{12};
1649 let Inst{19-16} = addr{17-14};
1650 let Inst{11-0} = addr{11-0};
1652 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1653 (ins GPR:$Rn, am2offset:$offset),
1654 IndexModePost, LdFrm, itin,
1655 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1656 // {13} 1 == Rm, 0 == imm12
1661 let Inst{25} = offset{13};
1662 let Inst{23} = offset{12};
1663 let Inst{19-16} = Rn;
1664 let Inst{11-0} = offset{11-0};
1668 let mayLoad = 1, neverHasSideEffects = 1 in {
1669 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1670 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1673 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1674 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1675 (ins addrmode3:$addr), IndexModePre,
1677 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1679 let Inst{23} = addr{8}; // U bit
1680 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1681 let Inst{19-16} = addr{12-9}; // Rn
1682 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1683 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1685 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1686 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1688 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1691 let Inst{23} = offset{8}; // U bit
1692 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1693 let Inst{19-16} = Rn;
1694 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1695 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1699 let mayLoad = 1, neverHasSideEffects = 1 in {
1700 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1701 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1702 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1703 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1704 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1705 } // mayLoad = 1, neverHasSideEffects = 1
1707 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1708 let mayLoad = 1, neverHasSideEffects = 1 in {
1709 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1710 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1711 LdFrm, IIC_iLoad_ru,
1712 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1713 let Inst{21} = 1; // overwrite
1715 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1716 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1717 LdFrm, IIC_iLoad_bh_ru,
1718 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1719 let Inst{21} = 1; // overwrite
1721 def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1722 (ins GPR:$base, am3offset:$offset), IndexModePost,
1723 LdMiscFrm, IIC_iLoad_bh_ru,
1724 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1725 let Inst{21} = 1; // overwrite
1727 def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1728 (ins GPR:$base, am3offset:$offset), IndexModePost,
1729 LdMiscFrm, IIC_iLoad_bh_ru,
1730 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1731 let Inst{21} = 1; // overwrite
1733 def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1734 (ins GPR:$base, am3offset:$offset), IndexModePost,
1735 LdMiscFrm, IIC_iLoad_bh_ru,
1736 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1737 let Inst{21} = 1; // overwrite
1743 // Stores with truncate
1744 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1745 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1746 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1749 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1750 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1751 def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1752 StMiscFrm, IIC_iStore_d_r,
1753 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1756 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1757 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1758 IndexModePre, StFrm, IIC_iStore_ru,
1759 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1761 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1763 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1764 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1765 IndexModePost, StFrm, IIC_iStore_ru,
1766 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1768 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1770 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1771 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1772 IndexModePre, StFrm, IIC_iStore_bh_ru,
1773 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1774 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1775 GPR:$Rn, am2offset:$offset))]>;
1776 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1777 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1778 IndexModePost, StFrm, IIC_iStore_bh_ru,
1779 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1780 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1781 GPR:$Rn, am2offset:$offset))]>;
1783 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1784 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1785 IndexModePre, StMiscFrm, IIC_iStore_ru,
1786 "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1788 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1790 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1791 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1792 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1793 "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1794 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1795 GPR:$Rn, am3offset:$offset))]>;
1797 // For disassembly only
1798 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1799 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1800 StMiscFrm, IIC_iStore_d_ru,
1801 "strd", "\t$src1, $src2, [$base, $offset]!",
1802 "$base = $base_wb", []>;
1804 // For disassembly only
1805 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1806 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1807 StMiscFrm, IIC_iStore_d_ru,
1808 "strd", "\t$src1, $src2, [$base], $offset",
1809 "$base = $base_wb", []>;
1811 // STRT, STRBT, and STRHT are for disassembly only.
1813 def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1814 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1815 IndexModeNone, StFrm, IIC_iStore_ru,
1816 "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1817 [/* For disassembly only; pattern left blank */]> {
1818 let Inst{21} = 1; // overwrite
1821 def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
1822 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1823 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1824 "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1825 [/* For disassembly only; pattern left blank */]> {
1826 let Inst{21} = 1; // overwrite
1829 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1830 (ins GPR:$src, GPR:$base,am3offset:$offset),
1831 StMiscFrm, IIC_iStore_bh_ru,
1832 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1833 [/* For disassembly only; pattern left blank */]> {
1834 let Inst{21} = 1; // overwrite
1837 //===----------------------------------------------------------------------===//
1838 // Load / store multiple Instructions.
1841 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1842 InstrItinClass itin, InstrItinClass itin_upd> {
1844 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1845 IndexModeNone, f, itin,
1846 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1847 let Inst{24-23} = 0b01; // Increment After
1848 let Inst{21} = 0; // No writeback
1849 let Inst{20} = L_bit;
1852 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1853 IndexModeUpd, f, itin_upd,
1854 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1855 let Inst{24-23} = 0b01; // Increment After
1856 let Inst{21} = 1; // Writeback
1857 let Inst{20} = L_bit;
1860 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1861 IndexModeNone, f, itin,
1862 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1863 let Inst{24-23} = 0b00; // Decrement After
1864 let Inst{21} = 0; // No writeback
1865 let Inst{20} = L_bit;
1868 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1869 IndexModeUpd, f, itin_upd,
1870 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1871 let Inst{24-23} = 0b00; // Decrement After
1872 let Inst{21} = 1; // Writeback
1873 let Inst{20} = L_bit;
1876 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1877 IndexModeNone, f, itin,
1878 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1879 let Inst{24-23} = 0b10; // Decrement Before
1880 let Inst{21} = 0; // No writeback
1881 let Inst{20} = L_bit;
1884 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1885 IndexModeUpd, f, itin_upd,
1886 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1887 let Inst{24-23} = 0b10; // Decrement Before
1888 let Inst{21} = 1; // Writeback
1889 let Inst{20} = L_bit;
1892 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1893 IndexModeNone, f, itin,
1894 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1895 let Inst{24-23} = 0b11; // Increment Before
1896 let Inst{21} = 0; // No writeback
1897 let Inst{20} = L_bit;
1900 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1901 IndexModeUpd, f, itin_upd,
1902 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1903 let Inst{24-23} = 0b11; // Increment Before
1904 let Inst{21} = 1; // Writeback
1905 let Inst{20} = L_bit;
1909 let neverHasSideEffects = 1 in {
1911 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1912 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1914 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1915 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1917 } // neverHasSideEffects
1919 // Load / Store Multiple Mnemonic Aliases
1920 def : MnemonicAlias<"ldm", "ldmia">;
1921 def : MnemonicAlias<"stm", "stmia">;
1923 // FIXME: remove when we have a way to marking a MI with these properties.
1924 // FIXME: Should pc be an implicit operand like PICADD, etc?
1925 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1926 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1927 def LDMIA_RET : ARMPseudoInst<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1928 reglist:$regs, variable_ops),
1929 Size4Bytes, IIC_iLoad_mBr, []>,
1930 RegConstraint<"$Rn = $wb">;
1932 //===----------------------------------------------------------------------===//
1933 // Move Instructions.
1936 let neverHasSideEffects = 1 in
1937 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1938 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1942 let Inst{11-4} = 0b00000000;
1945 let Inst{15-12} = Rd;
1948 // A version for the smaller set of tail call registers.
1949 let neverHasSideEffects = 1 in
1950 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1951 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1955 let Inst{11-4} = 0b00000000;
1958 let Inst{15-12} = Rd;
1961 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1962 DPSoRegFrm, IIC_iMOVsr,
1963 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1967 let Inst{15-12} = Rd;
1968 let Inst{11-0} = src;
1972 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1973 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1974 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1978 let Inst{15-12} = Rd;
1979 let Inst{19-16} = 0b0000;
1980 let Inst{11-0} = imm;
1983 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1984 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
1986 "movw", "\t$Rd, $imm",
1987 [(set GPR:$Rd, imm0_65535:$imm)]>,
1988 Requires<[IsARM, HasV6T2]>, UnaryDP {
1991 let Inst{15-12} = Rd;
1992 let Inst{11-0} = imm{11-0};
1993 let Inst{19-16} = imm{15-12};
1998 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
1999 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2001 let Constraints = "$src = $Rd" in {
2002 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
2004 "movt", "\t$Rd, $imm",
2006 (or (and GPR:$src, 0xffff),
2007 lo16AllZero:$imm))]>, UnaryDP,
2008 Requires<[IsARM, HasV6T2]> {
2011 let Inst{15-12} = Rd;
2012 let Inst{11-0} = imm{11-0};
2013 let Inst{19-16} = imm{15-12};
2018 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2019 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2023 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2024 Requires<[IsARM, HasV6T2]>;
2026 let Uses = [CPSR] in
2027 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2028 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2031 // These aren't really mov instructions, but we have to define them this way
2032 // due to flag operands.
2034 let Defs = [CPSR] in {
2035 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2036 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2038 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2039 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2043 //===----------------------------------------------------------------------===//
2044 // Extend Instructions.
2049 defm SXTB : AI_ext_rrot<0b01101010,
2050 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2051 defm SXTH : AI_ext_rrot<0b01101011,
2052 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2054 defm SXTAB : AI_exta_rrot<0b01101010,
2055 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2056 defm SXTAH : AI_exta_rrot<0b01101011,
2057 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2059 // For disassembly only
2060 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2062 // For disassembly only
2063 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2067 let AddedComplexity = 16 in {
2068 defm UXTB : AI_ext_rrot<0b01101110,
2069 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2070 defm UXTH : AI_ext_rrot<0b01101111,
2071 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2072 defm UXTB16 : AI_ext_rrot<0b01101100,
2073 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2075 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2076 // The transformation should probably be done as a combiner action
2077 // instead so we can include a check for masking back in the upper
2078 // eight bits of the source into the lower eight bits of the result.
2079 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2080 // (UXTB16r_rot GPR:$Src, 24)>;
2081 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2082 (UXTB16r_rot GPR:$Src, 8)>;
2084 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2085 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2086 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2087 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2090 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2091 // For disassembly only
2092 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2095 def SBFX : I<(outs GPR:$Rd),
2096 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2097 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2098 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2099 Requires<[IsARM, HasV6T2]> {
2104 let Inst{27-21} = 0b0111101;
2105 let Inst{6-4} = 0b101;
2106 let Inst{20-16} = width;
2107 let Inst{15-12} = Rd;
2108 let Inst{11-7} = lsb;
2112 def UBFX : I<(outs GPR:$Rd),
2113 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2114 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2115 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2116 Requires<[IsARM, HasV6T2]> {
2121 let Inst{27-21} = 0b0111111;
2122 let Inst{6-4} = 0b101;
2123 let Inst{20-16} = width;
2124 let Inst{15-12} = Rd;
2125 let Inst{11-7} = lsb;
2129 //===----------------------------------------------------------------------===//
2130 // Arithmetic Instructions.
2133 defm ADD : AsI1_bin_irs<0b0100, "add",
2134 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2135 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2136 defm SUB : AsI1_bin_irs<0b0010, "sub",
2137 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2138 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2140 // ADD and SUB with 's' bit set.
2141 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2142 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2143 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2144 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2145 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2146 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2148 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2149 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2150 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2151 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2153 // ADC and SUBC with 's' bit set.
2154 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2155 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2156 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2157 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2159 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2160 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2161 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2166 let Inst{15-12} = Rd;
2167 let Inst{19-16} = Rn;
2168 let Inst{11-0} = imm;
2171 // The reg/reg form is only defined for the disassembler; for codegen it is
2172 // equivalent to SUBrr.
2173 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2174 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2175 [/* For disassembly only; pattern left blank */]> {
2179 let Inst{11-4} = 0b00000000;
2182 let Inst{15-12} = Rd;
2183 let Inst{19-16} = Rn;
2186 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2187 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2188 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2193 let Inst{11-0} = shift;
2194 let Inst{15-12} = Rd;
2195 let Inst{19-16} = Rn;
2198 // RSB with 's' bit set.
2199 let isCodeGenOnly = 1, Defs = [CPSR] in {
2200 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2201 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2202 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2208 let Inst{15-12} = Rd;
2209 let Inst{19-16} = Rn;
2210 let Inst{11-0} = imm;
2212 def RSBSrr : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2213 IIC_iALUr, "rsbs", "\t$Rd, $Rn, $Rm",
2214 [/* For disassembly only; pattern left blank */]> {
2218 let Inst{11-4} = 0b00000000;
2222 let Inst{15-12} = Rd;
2223 let Inst{19-16} = Rn;
2225 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2226 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2227 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2233 let Inst{11-0} = shift;
2234 let Inst{15-12} = Rd;
2235 let Inst{19-16} = Rn;
2239 let Uses = [CPSR] in {
2240 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2241 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2242 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2248 let Inst{15-12} = Rd;
2249 let Inst{19-16} = Rn;
2250 let Inst{11-0} = imm;
2252 // The reg/reg form is only defined for the disassembler; for codegen it is
2253 // equivalent to SUBrr.
2254 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2255 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2256 [/* For disassembly only; pattern left blank */]> {
2260 let Inst{11-4} = 0b00000000;
2263 let Inst{15-12} = Rd;
2264 let Inst{19-16} = Rn;
2266 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2267 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2268 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2274 let Inst{11-0} = shift;
2275 let Inst{15-12} = Rd;
2276 let Inst{19-16} = Rn;
2280 // FIXME: Allow these to be predicated.
2281 let isCodeGenOnly = 1, Defs = [CPSR], Uses = [CPSR] in {
2282 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2283 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2284 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2291 let Inst{15-12} = Rd;
2292 let Inst{19-16} = Rn;
2293 let Inst{11-0} = imm;
2295 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2296 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2297 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2304 let Inst{11-0} = shift;
2305 let Inst{15-12} = Rd;
2306 let Inst{19-16} = Rn;
2310 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2311 // The assume-no-carry-in form uses the negation of the input since add/sub
2312 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2313 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2315 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2316 (SUBri GPR:$src, so_imm_neg:$imm)>;
2317 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2318 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2319 // The with-carry-in form matches bitwise not instead of the negation.
2320 // Effectively, the inverse interpretation of the carry flag already accounts
2321 // for part of the negation.
2322 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2323 (SBCri GPR:$src, so_imm_not:$imm)>;
2325 // Note: These are implemented in C++ code, because they have to generate
2326 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2328 // (mul X, 2^n+1) -> (add (X << n), X)
2329 // (mul X, 2^n-1) -> (rsb X, (X << n))
2331 // ARM Arithmetic Instruction -- for disassembly only
2332 // GPR:$dst = GPR:$a op GPR:$b
2333 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2334 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2335 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2336 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2340 let Inst{27-20} = op27_20;
2341 let Inst{11-4} = op11_4;
2342 let Inst{19-16} = Rn;
2343 let Inst{15-12} = Rd;
2347 // Saturating add/subtract -- for disassembly only
2349 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2350 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2351 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2352 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2353 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2354 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2355 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2357 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2360 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2361 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2362 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2363 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2364 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2365 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2366 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2367 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2368 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2369 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2370 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2371 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2373 // Signed/Unsigned add/subtract -- for disassembly only
2375 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2376 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2377 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2378 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2379 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2380 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2381 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2382 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2383 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2384 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2385 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2386 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2388 // Signed/Unsigned halving add/subtract -- for disassembly only
2390 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2391 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2392 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2393 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2394 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2395 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2396 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2397 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2398 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2399 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2400 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2401 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2403 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2405 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2406 MulFrm /* for convenience */, NoItinerary, "usad8",
2407 "\t$Rd, $Rn, $Rm", []>,
2408 Requires<[IsARM, HasV6]> {
2412 let Inst{27-20} = 0b01111000;
2413 let Inst{15-12} = 0b1111;
2414 let Inst{7-4} = 0b0001;
2415 let Inst{19-16} = Rd;
2416 let Inst{11-8} = Rm;
2419 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2420 MulFrm /* for convenience */, NoItinerary, "usada8",
2421 "\t$Rd, $Rn, $Rm, $Ra", []>,
2422 Requires<[IsARM, HasV6]> {
2427 let Inst{27-20} = 0b01111000;
2428 let Inst{7-4} = 0b0001;
2429 let Inst{19-16} = Rd;
2430 let Inst{15-12} = Ra;
2431 let Inst{11-8} = Rm;
2435 // Signed/Unsigned saturate -- for disassembly only
2437 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2438 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2439 [/* For disassembly only; pattern left blank */]> {
2444 let Inst{27-21} = 0b0110101;
2445 let Inst{5-4} = 0b01;
2446 let Inst{20-16} = sat_imm;
2447 let Inst{15-12} = Rd;
2448 let Inst{11-7} = sh{7-3};
2449 let Inst{6} = sh{0};
2453 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2454 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2455 [/* For disassembly only; pattern left blank */]> {
2459 let Inst{27-20} = 0b01101010;
2460 let Inst{11-4} = 0b11110011;
2461 let Inst{15-12} = Rd;
2462 let Inst{19-16} = sat_imm;
2466 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2467 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2468 [/* For disassembly only; pattern left blank */]> {
2473 let Inst{27-21} = 0b0110111;
2474 let Inst{5-4} = 0b01;
2475 let Inst{15-12} = Rd;
2476 let Inst{11-7} = sh{7-3};
2477 let Inst{6} = sh{0};
2478 let Inst{20-16} = sat_imm;
2482 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2483 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2484 [/* For disassembly only; pattern left blank */]> {
2488 let Inst{27-20} = 0b01101110;
2489 let Inst{11-4} = 0b11110011;
2490 let Inst{15-12} = Rd;
2491 let Inst{19-16} = sat_imm;
2495 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2496 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2498 //===----------------------------------------------------------------------===//
2499 // Bitwise Instructions.
2502 defm AND : AsI1_bin_irs<0b0000, "and",
2503 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2504 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2505 defm ORR : AsI1_bin_irs<0b1100, "orr",
2506 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2507 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2508 defm EOR : AsI1_bin_irs<0b0001, "eor",
2509 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2510 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2511 defm BIC : AsI1_bin_irs<0b1110, "bic",
2512 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2513 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2515 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2516 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2517 "bfc", "\t$Rd, $imm", "$src = $Rd",
2518 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2519 Requires<[IsARM, HasV6T2]> {
2522 let Inst{27-21} = 0b0111110;
2523 let Inst{6-0} = 0b0011111;
2524 let Inst{15-12} = Rd;
2525 let Inst{11-7} = imm{4-0}; // lsb
2526 let Inst{20-16} = imm{9-5}; // width
2529 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2530 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2531 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2532 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2533 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2534 bf_inv_mask_imm:$imm))]>,
2535 Requires<[IsARM, HasV6T2]> {
2539 let Inst{27-21} = 0b0111110;
2540 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2541 let Inst{15-12} = Rd;
2542 let Inst{11-7} = imm{4-0}; // lsb
2543 let Inst{20-16} = imm{9-5}; // width
2547 // GNU as only supports this form of bfi (w/ 4 arguments)
2548 let isAsmParserOnly = 1 in
2549 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2550 lsb_pos_imm:$lsb, width_imm:$width),
2551 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2552 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2553 []>, Requires<[IsARM, HasV6T2]> {
2558 let Inst{27-21} = 0b0111110;
2559 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2560 let Inst{15-12} = Rd;
2561 let Inst{11-7} = lsb;
2562 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2566 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2567 "mvn", "\t$Rd, $Rm",
2568 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2572 let Inst{19-16} = 0b0000;
2573 let Inst{11-4} = 0b00000000;
2574 let Inst{15-12} = Rd;
2577 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2578 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2579 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2583 let Inst{19-16} = 0b0000;
2584 let Inst{15-12} = Rd;
2585 let Inst{11-0} = shift;
2587 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2588 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2589 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2590 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2594 let Inst{19-16} = 0b0000;
2595 let Inst{15-12} = Rd;
2596 let Inst{11-0} = imm;
2599 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2600 (BICri GPR:$src, so_imm_not:$imm)>;
2602 //===----------------------------------------------------------------------===//
2603 // Multiply Instructions.
2605 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2606 string opc, string asm, list<dag> pattern>
2607 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2611 let Inst{19-16} = Rd;
2612 let Inst{11-8} = Rm;
2615 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2616 string opc, string asm, list<dag> pattern>
2617 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2622 let Inst{19-16} = RdHi;
2623 let Inst{15-12} = RdLo;
2624 let Inst{11-8} = Rm;
2628 let isCommutable = 1 in {
2629 let Constraints = "@earlyclobber $Rd" in
2630 def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2631 pred:$p, cc_out:$s),
2632 Size4Bytes, IIC_iMUL32,
2633 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2634 Requires<[IsARM, NoV6]>;
2636 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2637 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2638 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2639 Requires<[IsARM, HasV6]>;
2642 let Constraints = "@earlyclobber $Rd" in
2643 def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
2644 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2645 Size4Bytes, IIC_iMAC32,
2646 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2647 Requires<[IsARM, NoV6]> {
2649 let Inst{15-12} = Ra;
2651 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2652 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2653 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2654 Requires<[IsARM, HasV6]> {
2656 let Inst{15-12} = Ra;
2659 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2660 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2661 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2662 Requires<[IsARM, HasV6T2]> {
2667 let Inst{19-16} = Rd;
2668 let Inst{15-12} = Ra;
2669 let Inst{11-8} = Rm;
2673 // Extra precision multiplies with low / high results
2675 let neverHasSideEffects = 1 in {
2676 let isCommutable = 1 in {
2677 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2678 def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2679 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2680 Size4Bytes, IIC_iMUL64, []>,
2681 Requires<[IsARM, NoV6]>;
2683 def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2684 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2685 Size4Bytes, IIC_iMUL64, []>,
2686 Requires<[IsARM, NoV6]>;
2689 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2690 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2691 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2692 Requires<[IsARM, HasV6]>;
2694 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2695 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2696 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2697 Requires<[IsARM, HasV6]>;
2700 // Multiply + accumulate
2701 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2702 def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2703 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2704 Size4Bytes, IIC_iMAC64, []>,
2705 Requires<[IsARM, NoV6]>;
2706 def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2707 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2708 Size4Bytes, IIC_iMAC64, []>,
2709 Requires<[IsARM, NoV6]>;
2710 def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2711 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2712 Size4Bytes, IIC_iMAC64, []>,
2713 Requires<[IsARM, NoV6]>;
2717 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2718 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2719 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2720 Requires<[IsARM, HasV6]>;
2721 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2722 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2723 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2724 Requires<[IsARM, HasV6]>;
2726 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2727 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2728 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2729 Requires<[IsARM, HasV6]> {
2734 let Inst{19-16} = RdLo;
2735 let Inst{15-12} = RdHi;
2736 let Inst{11-8} = Rm;
2739 } // neverHasSideEffects
2741 // Most significant word multiply
2742 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2743 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2744 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2745 Requires<[IsARM, HasV6]> {
2746 let Inst{15-12} = 0b1111;
2749 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2750 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2751 [/* For disassembly only; pattern left blank */]>,
2752 Requires<[IsARM, HasV6]> {
2753 let Inst{15-12} = 0b1111;
2756 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2757 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2758 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2759 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2760 Requires<[IsARM, HasV6]>;
2762 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2763 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2764 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2765 [/* For disassembly only; pattern left blank */]>,
2766 Requires<[IsARM, HasV6]>;
2768 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2769 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2770 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2771 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2772 Requires<[IsARM, HasV6]>;
2774 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2775 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2776 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2777 [/* For disassembly only; pattern left blank */]>,
2778 Requires<[IsARM, HasV6]>;
2780 multiclass AI_smul<string opc, PatFrag opnode> {
2781 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2782 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2783 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2784 (sext_inreg GPR:$Rm, i16)))]>,
2785 Requires<[IsARM, HasV5TE]>;
2787 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2788 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2789 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2790 (sra GPR:$Rm, (i32 16))))]>,
2791 Requires<[IsARM, HasV5TE]>;
2793 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2794 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2795 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2796 (sext_inreg GPR:$Rm, i16)))]>,
2797 Requires<[IsARM, HasV5TE]>;
2799 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2800 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2801 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2802 (sra GPR:$Rm, (i32 16))))]>,
2803 Requires<[IsARM, HasV5TE]>;
2805 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2806 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2807 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2808 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2809 Requires<[IsARM, HasV5TE]>;
2811 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2812 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2813 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2814 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2815 Requires<[IsARM, HasV5TE]>;
2819 multiclass AI_smla<string opc, PatFrag opnode> {
2820 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2821 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2822 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2823 [(set GPR:$Rd, (add GPR:$Ra,
2824 (opnode (sext_inreg GPR:$Rn, i16),
2825 (sext_inreg GPR:$Rm, i16))))]>,
2826 Requires<[IsARM, HasV5TE]>;
2828 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2829 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2830 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2831 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2832 (sra GPR:$Rm, (i32 16)))))]>,
2833 Requires<[IsARM, HasV5TE]>;
2835 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2836 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2837 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2838 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2839 (sext_inreg GPR:$Rm, i16))))]>,
2840 Requires<[IsARM, HasV5TE]>;
2842 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2843 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2844 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2845 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2846 (sra GPR:$Rm, (i32 16)))))]>,
2847 Requires<[IsARM, HasV5TE]>;
2849 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2850 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2851 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2852 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2853 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2854 Requires<[IsARM, HasV5TE]>;
2856 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2857 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2858 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2859 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2860 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2861 Requires<[IsARM, HasV5TE]>;
2864 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2865 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2867 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2868 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2869 (ins GPR:$Rn, GPR:$Rm),
2870 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2871 [/* For disassembly only; pattern left blank */]>,
2872 Requires<[IsARM, HasV5TE]>;
2874 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2875 (ins GPR:$Rn, GPR:$Rm),
2876 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2877 [/* For disassembly only; pattern left blank */]>,
2878 Requires<[IsARM, HasV5TE]>;
2880 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2881 (ins GPR:$Rn, GPR:$Rm),
2882 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2883 [/* For disassembly only; pattern left blank */]>,
2884 Requires<[IsARM, HasV5TE]>;
2886 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2887 (ins GPR:$Rn, GPR:$Rm),
2888 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2889 [/* For disassembly only; pattern left blank */]>,
2890 Requires<[IsARM, HasV5TE]>;
2892 // Helper class for AI_smld -- for disassembly only
2893 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2894 InstrItinClass itin, string opc, string asm>
2895 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2902 let Inst{21-20} = 0b00;
2903 let Inst{22} = long;
2904 let Inst{27-23} = 0b01110;
2905 let Inst{11-8} = Rm;
2908 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2909 InstrItinClass itin, string opc, string asm>
2910 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2912 let Inst{15-12} = 0b1111;
2913 let Inst{19-16} = Rd;
2915 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2916 InstrItinClass itin, string opc, string asm>
2917 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2919 let Inst{15-12} = Ra;
2921 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2922 InstrItinClass itin, string opc, string asm>
2923 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2926 let Inst{19-16} = RdHi;
2927 let Inst{15-12} = RdLo;
2930 multiclass AI_smld<bit sub, string opc> {
2932 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2933 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2935 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2936 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2938 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2939 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2940 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2942 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2943 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2944 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2948 defm SMLA : AI_smld<0, "smla">;
2949 defm SMLS : AI_smld<1, "smls">;
2951 multiclass AI_sdml<bit sub, string opc> {
2953 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2954 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2955 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2956 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2959 defm SMUA : AI_sdml<0, "smua">;
2960 defm SMUS : AI_sdml<1, "smus">;
2962 //===----------------------------------------------------------------------===//
2963 // Misc. Arithmetic Instructions.
2966 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2967 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2968 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2970 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2971 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2972 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2973 Requires<[IsARM, HasV6T2]>;
2975 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2976 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2977 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2979 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2980 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2982 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2983 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2984 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2985 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2986 Requires<[IsARM, HasV6]>;
2988 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2989 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2992 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2993 (shl GPR:$Rm, (i32 8))), i16))]>,
2994 Requires<[IsARM, HasV6]>;
2996 def lsl_shift_imm : SDNodeXForm<imm, [{
2997 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2998 return CurDAG->getTargetConstant(Sh, MVT::i32);
3001 def lsl_amt : PatLeaf<(i32 imm), [{
3002 return (N->getZExtValue() < 32);
3005 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3006 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3007 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3008 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3009 (and (shl GPR:$Rm, lsl_amt:$sh),
3011 Requires<[IsARM, HasV6]>;
3013 // Alternate cases for PKHBT where identities eliminate some nodes.
3014 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3015 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3016 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3017 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
3019 def asr_shift_imm : SDNodeXForm<imm, [{
3020 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
3021 return CurDAG->getTargetConstant(Sh, MVT::i32);
3024 def asr_amt : PatLeaf<(i32 imm), [{
3025 return (N->getZExtValue() <= 32);
3028 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3029 // will match the pattern below.
3030 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3031 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3032 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3033 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3034 (and (sra GPR:$Rm, asr_amt:$sh),
3036 Requires<[IsARM, HasV6]>;
3038 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3039 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3040 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3041 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
3042 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3043 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3044 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
3046 //===----------------------------------------------------------------------===//
3047 // Comparison Instructions...
3050 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3051 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3052 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3054 // ARMcmpZ can re-use the above instruction definitions.
3055 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3056 (CMPri GPR:$src, so_imm:$imm)>;
3057 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3058 (CMPrr GPR:$src, GPR:$rhs)>;
3059 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3060 (CMPrs GPR:$src, so_reg:$rhs)>;
3062 // FIXME: We have to be careful when using the CMN instruction and comparison
3063 // with 0. One would expect these two pieces of code should give identical
3079 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3080 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3081 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3082 // value of r0 and the carry bit (because the "carry bit" parameter to
3083 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3084 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3085 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3086 // parameter to AddWithCarry is defined as 0).
3088 // When x is 0 and unsigned:
3092 // ~x + 1 = 0x1 0000 0000
3093 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3095 // Therefore, we should disable CMN when comparing against zero, until we can
3096 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3097 // when it's a comparison which doesn't look at the 'carry' flag).
3099 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3101 // This is related to <rdar://problem/7569620>.
3103 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3104 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3106 // Note that TST/TEQ don't set all the same flags that CMP does!
3107 defm TST : AI1_cmp_irs<0b1000, "tst",
3108 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3109 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3110 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3111 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3112 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3114 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3115 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3116 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3118 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3119 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3121 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3122 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3124 // Pseudo i64 compares for some floating point compares.
3125 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3127 def BCCi64 : PseudoInst<(outs),
3128 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3130 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3132 def BCCZi64 : PseudoInst<(outs),
3133 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3134 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3135 } // usesCustomInserter
3138 // Conditional moves
3139 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3140 // a two-value operand where a dag node expects two operands. :(
3141 let neverHasSideEffects = 1 in {
3142 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3143 Size4Bytes, IIC_iCMOVr,
3144 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3145 RegConstraint<"$false = $Rd">;
3146 def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
3147 (ins GPR:$false, so_reg:$shift, pred:$p),
3148 Size4Bytes, IIC_iCMOVsr,
3149 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3150 RegConstraint<"$false = $Rd">;
3152 let isMoveImm = 1 in
3153 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3154 (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
3155 Size4Bytes, IIC_iMOVi,
3157 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3159 let isMoveImm = 1 in
3160 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3161 (ins GPR:$false, so_imm:$imm, pred:$p),
3162 Size4Bytes, IIC_iCMOVi,
3163 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3164 RegConstraint<"$false = $Rd">;
3166 // Two instruction predicate mov immediate.
3167 let isMoveImm = 1 in
3168 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3169 (ins GPR:$false, i32imm:$src, pred:$p),
3170 Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3172 let isMoveImm = 1 in
3173 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3174 (ins GPR:$false, so_imm:$imm, pred:$p),
3175 Size4Bytes, IIC_iCMOVi,
3176 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3177 RegConstraint<"$false = $Rd">;
3178 } // neverHasSideEffects
3180 //===----------------------------------------------------------------------===//
3181 // Atomic operations intrinsics
3184 def memb_opt : Operand<i32> {
3185 let PrintMethod = "printMemBOption";
3186 let ParserMatchClass = MemBarrierOptOperand;
3189 // memory barriers protect the atomic sequences
3190 let hasSideEffects = 1 in {
3191 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3192 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3193 Requires<[IsARM, HasDB]> {
3195 let Inst{31-4} = 0xf57ff05;
3196 let Inst{3-0} = opt;
3200 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3202 [/* For disassembly only; pattern left blank */]>,
3203 Requires<[IsARM, HasDB]> {
3205 let Inst{31-4} = 0xf57ff04;
3206 let Inst{3-0} = opt;
3209 // ISB has only full system option -- for disassembly only
3210 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3211 Requires<[IsARM, HasDB]> {
3212 let Inst{31-4} = 0xf57ff06;
3213 let Inst{3-0} = 0b1111;
3216 let usesCustomInserter = 1 in {
3217 let Uses = [CPSR] in {
3218 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3219 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3220 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3221 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3222 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3223 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3224 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3225 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3226 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3227 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3228 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3229 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3230 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3231 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3232 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3233 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3234 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3235 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3236 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3237 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3238 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3239 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3240 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3241 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3242 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3243 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3244 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3245 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3246 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3247 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3248 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3249 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3250 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3251 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3252 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3253 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3254 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3255 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3256 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3257 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3258 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3259 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3260 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3261 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3262 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3263 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3264 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3265 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3266 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3267 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3268 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3269 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3270 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3271 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3273 def ATOMIC_SWAP_I8 : PseudoInst<
3274 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3275 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3276 def ATOMIC_SWAP_I16 : PseudoInst<
3277 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3278 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3279 def ATOMIC_SWAP_I32 : PseudoInst<
3280 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3281 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3283 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3284 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3285 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3286 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3287 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3288 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3289 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3290 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3291 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3295 let mayLoad = 1 in {
3296 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3297 "ldrexb", "\t$Rt, [$Rn]",
3299 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3300 "ldrexh", "\t$Rt, [$Rn]",
3302 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3303 "ldrex", "\t$Rt, [$Rn]",
3305 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3307 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3311 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3312 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3314 "strexb", "\t$Rd, $src, [$Rn]",
3316 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3318 "strexh", "\t$Rd, $Rt, [$Rn]",
3320 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3322 "strex", "\t$Rd, $Rt, [$Rn]",
3324 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3325 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3327 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3331 // Clear-Exclusive is for disassembly only.
3332 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3333 [/* For disassembly only; pattern left blank */]>,
3334 Requires<[IsARM, HasV7]> {
3335 let Inst{31-0} = 0b11110101011111111111000000011111;
3338 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3339 let mayLoad = 1 in {
3340 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3341 [/* For disassembly only; pattern left blank */]>;
3342 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3343 [/* For disassembly only; pattern left blank */]>;
3346 //===----------------------------------------------------------------------===//
3347 // Coprocessor Instructions.
3350 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3351 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3352 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3353 [/* For disassembly only; pattern left blank */]> {
3361 let Inst{3-0} = CRm;
3363 let Inst{7-5} = opc2;
3364 let Inst{11-8} = cop;
3365 let Inst{15-12} = CRd;
3366 let Inst{19-16} = CRn;
3367 let Inst{23-20} = opc1;
3370 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3371 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3372 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3373 [/* For disassembly only; pattern left blank */]> {
3374 let Inst{31-28} = 0b1111;
3382 let Inst{3-0} = CRm;
3384 let Inst{7-5} = opc2;
3385 let Inst{11-8} = cop;
3386 let Inst{15-12} = CRd;
3387 let Inst{19-16} = CRn;
3388 let Inst{23-20} = opc1;
3391 class ACI<dag oops, dag iops, string opc, string asm>
3392 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3393 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3394 let Inst{27-25} = 0b110;
3397 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3399 def _OFFSET : ACI<(outs),
3400 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3401 opc, "\tp$cop, cr$CRd, $addr"> {
3402 let Inst{31-28} = op31_28;
3403 let Inst{24} = 1; // P = 1
3404 let Inst{21} = 0; // W = 0
3405 let Inst{22} = 0; // D = 0
3406 let Inst{20} = load;
3409 def _PRE : ACI<(outs),
3410 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3411 opc, "\tp$cop, cr$CRd, $addr!"> {
3412 let Inst{31-28} = op31_28;
3413 let Inst{24} = 1; // P = 1
3414 let Inst{21} = 1; // W = 1
3415 let Inst{22} = 0; // D = 0
3416 let Inst{20} = load;
3419 def _POST : ACI<(outs),
3420 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3421 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3422 let Inst{31-28} = op31_28;
3423 let Inst{24} = 0; // P = 0
3424 let Inst{21} = 1; // W = 1
3425 let Inst{22} = 0; // D = 0
3426 let Inst{20} = load;
3429 def _OPTION : ACI<(outs),
3430 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3431 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3432 let Inst{31-28} = op31_28;
3433 let Inst{24} = 0; // P = 0
3434 let Inst{23} = 1; // U = 1
3435 let Inst{21} = 0; // W = 0
3436 let Inst{22} = 0; // D = 0
3437 let Inst{20} = load;
3440 def L_OFFSET : ACI<(outs),
3441 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3442 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3443 let Inst{31-28} = op31_28;
3444 let Inst{24} = 1; // P = 1
3445 let Inst{21} = 0; // W = 0
3446 let Inst{22} = 1; // D = 1
3447 let Inst{20} = load;
3450 def L_PRE : ACI<(outs),
3451 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3452 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3453 let Inst{31-28} = op31_28;
3454 let Inst{24} = 1; // P = 1
3455 let Inst{21} = 1; // W = 1
3456 let Inst{22} = 1; // D = 1
3457 let Inst{20} = load;
3460 def L_POST : ACI<(outs),
3461 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3462 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3463 let Inst{31-28} = op31_28;
3464 let Inst{24} = 0; // P = 0
3465 let Inst{21} = 1; // W = 1
3466 let Inst{22} = 1; // D = 1
3467 let Inst{20} = load;
3470 def L_OPTION : ACI<(outs),
3471 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3472 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3473 let Inst{31-28} = op31_28;
3474 let Inst{24} = 0; // P = 0
3475 let Inst{23} = 1; // U = 1
3476 let Inst{21} = 0; // W = 0
3477 let Inst{22} = 1; // D = 1
3478 let Inst{20} = load;
3482 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3483 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3484 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3485 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3487 //===----------------------------------------------------------------------===//
3488 // Move between coprocessor and ARM core register -- for disassembly only
3491 class MovRCopro<string opc, bit direction>
3492 : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3493 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3494 NoItinerary, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
3495 [/* For disassembly only; pattern left blank */]> {
3496 let Inst{20} = direction;
3506 let Inst{15-12} = Rt;
3507 let Inst{11-8} = cop;
3508 let Inst{23-21} = opc1;
3509 let Inst{7-5} = opc2;
3510 let Inst{3-0} = CRm;
3511 let Inst{19-16} = CRn;
3514 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */>;
3515 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */>;
3517 class MovRCopro2<string opc, bit direction>
3518 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3519 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3520 NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
3521 [/* For disassembly only; pattern left blank */]> {
3522 let Inst{31-28} = 0b1111;
3523 let Inst{20} = direction;
3533 let Inst{15-12} = Rt;
3534 let Inst{11-8} = cop;
3535 let Inst{23-21} = opc1;
3536 let Inst{7-5} = opc2;
3537 let Inst{3-0} = CRm;
3538 let Inst{19-16} = CRn;
3541 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */>;
3542 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */>;
3544 class MovRRCopro<string opc, bit direction>
3545 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3546 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3547 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
3548 [/* For disassembly only; pattern left blank */]> {
3549 let Inst{23-21} = 0b010;
3550 let Inst{20} = direction;
3558 let Inst{15-12} = Rt;
3559 let Inst{19-16} = Rt2;
3560 let Inst{11-8} = cop;
3561 let Inst{7-4} = opc1;
3562 let Inst{3-0} = CRm;
3565 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */>;
3566 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3568 class MovRRCopro2<string opc, bit direction>
3569 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3570 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3571 NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"),
3572 [/* For disassembly only; pattern left blank */]> {
3573 let Inst{31-28} = 0b1111;
3574 let Inst{23-21} = 0b010;
3575 let Inst{20} = direction;
3583 let Inst{15-12} = Rt;
3584 let Inst{19-16} = Rt2;
3585 let Inst{11-8} = cop;
3586 let Inst{7-4} = opc1;
3587 let Inst{3-0} = CRm;
3590 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */>;
3591 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3593 //===----------------------------------------------------------------------===//
3594 // Move between special register and ARM core register -- for disassembly only
3597 // Move to ARM core register from Special Register
3598 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3599 [/* For disassembly only; pattern left blank */]> {
3601 let Inst{23-16} = 0b00001111;
3602 let Inst{15-12} = Rd;
3603 let Inst{7-4} = 0b0000;
3606 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3607 [/* For disassembly only; pattern left blank */]> {
3609 let Inst{23-16} = 0b01001111;
3610 let Inst{15-12} = Rd;
3611 let Inst{7-4} = 0b0000;
3614 // Move from ARM core register to Special Register
3616 // No need to have both system and application versions, the encodings are the
3617 // same and the assembly parser has no way to distinguish between them. The mask
3618 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3619 // the mask with the fields to be accessed in the special register.
3620 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3621 "msr", "\t$mask, $Rn",
3622 [/* For disassembly only; pattern left blank */]> {
3627 let Inst{22} = mask{4}; // R bit
3628 let Inst{21-20} = 0b10;
3629 let Inst{19-16} = mask{3-0};
3630 let Inst{15-12} = 0b1111;
3631 let Inst{11-4} = 0b00000000;
3635 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3636 "msr", "\t$mask, $a",
3637 [/* For disassembly only; pattern left blank */]> {
3642 let Inst{22} = mask{4}; // R bit
3643 let Inst{21-20} = 0b10;
3644 let Inst{19-16} = mask{3-0};
3645 let Inst{15-12} = 0b1111;
3649 //===----------------------------------------------------------------------===//
3653 // __aeabi_read_tp preserves the registers r1-r3.
3654 // This is a pseudo inst so that we can get the encoding right,
3655 // complete with fixup for the aeabi_read_tp function.
3657 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3658 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3659 [(set R0, ARMthread_pointer)]>;
3662 //===----------------------------------------------------------------------===//
3663 // SJLJ Exception handling intrinsics
3664 // eh_sjlj_setjmp() is an instruction sequence to store the return
3665 // address and save #0 in R0 for the non-longjmp case.
3666 // Since by its nature we may be coming from some other function to get
3667 // here, and we're using the stack frame for the containing function to
3668 // save/restore registers, we can't keep anything live in regs across
3669 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3670 // when we get here from a longjmp(). We force everthing out of registers
3671 // except for our own input by listing the relevant registers in Defs. By
3672 // doing so, we also cause the prologue/epilogue code to actively preserve
3673 // all of the callee-saved resgisters, which is exactly what we want.
3674 // A constant value is passed in $val, and we use the location as a scratch.
3676 // These are pseudo-instructions and are lowered to individual MC-insts, so
3677 // no encoding information is necessary.
3679 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3680 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3681 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3682 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3683 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3685 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3686 Requires<[IsARM, HasVFP2]>;
3690 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3691 hasSideEffects = 1, isBarrier = 1 in {
3692 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3694 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3695 Requires<[IsARM, NoVFP]>;
3698 // FIXME: Non-Darwin version(s)
3699 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3700 Defs = [ R7, LR, SP ] in {
3701 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3703 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3704 Requires<[IsARM, IsDarwin]>;
3707 // eh.sjlj.dispatchsetup pseudo-instruction.
3708 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3709 // handled when the pseudo is expanded (which happens before any passes
3710 // that need the instruction size).
3711 let isBarrier = 1, hasSideEffects = 1 in
3712 def Int_eh_sjlj_dispatchsetup :
3713 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3714 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3715 Requires<[IsDarwin]>;
3717 //===----------------------------------------------------------------------===//
3718 // Non-Instruction Patterns
3721 // Large immediate handling.
3723 // 32-bit immediate using two piece so_imms or movw + movt.
3724 // This is a single pseudo instruction, the benefit is that it can be remat'd
3725 // as a single unit instead of having to handle reg inputs.
3726 // FIXME: Remove this when we can do generalized remat.
3727 let isReMaterializable = 1, isMoveImm = 1 in
3728 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3729 [(set GPR:$dst, (arm_i32imm:$src))]>,
3732 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3733 // It also makes it possible to rematerialize the instructions.
3734 // FIXME: Remove this when we can do generalized remat and when machine licm
3735 // can properly the instructions.
3736 let isReMaterializable = 1 in {
3737 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3739 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3740 Requires<[IsARM, UseMovt]>;
3742 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3744 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3745 Requires<[IsARM, UseMovt]>;
3747 let AddedComplexity = 10 in
3748 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3750 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3751 Requires<[IsARM, UseMovt]>;
3752 } // isReMaterializable
3754 // ConstantPool, GlobalAddress, and JumpTable
3755 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3756 Requires<[IsARM, DontUseMovt]>;
3757 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3758 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3759 Requires<[IsARM, UseMovt]>;
3760 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3761 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3763 // TODO: add,sub,and, 3-instr forms?
3766 def : ARMPat<(ARMtcret tcGPR:$dst),
3767 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3769 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3770 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3772 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3773 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3775 def : ARMPat<(ARMtcret tcGPR:$dst),
3776 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3778 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3779 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3781 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3782 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3785 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3786 Requires<[IsARM, IsNotDarwin]>;
3787 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3788 Requires<[IsARM, IsDarwin]>;
3790 // zextload i1 -> zextload i8
3791 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3792 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3794 // extload -> zextload
3795 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3796 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3797 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3798 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3800 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3802 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3803 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3806 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3807 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3808 (SMULBB GPR:$a, GPR:$b)>;
3809 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3810 (SMULBB GPR:$a, GPR:$b)>;
3811 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3812 (sra GPR:$b, (i32 16))),
3813 (SMULBT GPR:$a, GPR:$b)>;
3814 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3815 (SMULBT GPR:$a, GPR:$b)>;
3816 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3817 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3818 (SMULTB GPR:$a, GPR:$b)>;
3819 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3820 (SMULTB GPR:$a, GPR:$b)>;
3821 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3823 (SMULWB GPR:$a, GPR:$b)>;
3824 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3825 (SMULWB GPR:$a, GPR:$b)>;
3827 def : ARMV5TEPat<(add GPR:$acc,
3828 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3829 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3830 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3831 def : ARMV5TEPat<(add GPR:$acc,
3832 (mul sext_16_node:$a, sext_16_node:$b)),
3833 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3834 def : ARMV5TEPat<(add GPR:$acc,
3835 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3836 (sra GPR:$b, (i32 16)))),
3837 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3838 def : ARMV5TEPat<(add GPR:$acc,
3839 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3840 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3841 def : ARMV5TEPat<(add GPR:$acc,
3842 (mul (sra GPR:$a, (i32 16)),
3843 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3844 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3845 def : ARMV5TEPat<(add GPR:$acc,
3846 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3847 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3848 def : ARMV5TEPat<(add GPR:$acc,
3849 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3851 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3852 def : ARMV5TEPat<(add GPR:$acc,
3853 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3854 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3857 // Pre-v7 uses MCR for synchronization barriers.
3858 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
3859 Requires<[IsARM, HasV6]>;
3862 //===----------------------------------------------------------------------===//
3866 include "ARMInstrThumb.td"
3868 //===----------------------------------------------------------------------===//
3872 include "ARMInstrThumb2.td"
3874 //===----------------------------------------------------------------------===//
3875 // Floating Point Support
3878 include "ARMInstrVFP.td"
3880 //===----------------------------------------------------------------------===//
3881 // Advanced SIMD (NEON) Support
3884 include "ARMInstrNEON.td"