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$dst @ TAILCALL",
1479 []>, Requires<[IsNotDarwin]> {
1481 let Inst{31-4} = 0b1110000100101111111111110001;
1482 let Inst{3-0} = dst;
1487 let isBranch = 1, isTerminator = 1 in {
1488 // B is "predicable" since it's just a Bcc with an 'always' condition.
1489 let isBarrier = 1 in {
1490 let isPredicable = 1 in
1491 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1492 // should be sufficient.
1493 def B : ARMPseudoInst<(outs), (ins brtarget:$target), Size4Bytes, IIC_Br,
1496 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1497 def BR_JTr : ARMPseudoInst<(outs),
1498 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1499 SizeSpecial, IIC_Br,
1500 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1501 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1502 // into i12 and rs suffixed versions.
1503 def BR_JTm : ARMPseudoInst<(outs),
1504 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1505 SizeSpecial, IIC_Br,
1506 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1508 def BR_JTadd : ARMPseudoInst<(outs),
1509 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1510 SizeSpecial, IIC_Br,
1511 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1513 } // isNotDuplicable = 1, isIndirectBranch = 1
1516 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1517 // a two-value operand where a dag node expects two operands. :(
1518 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1519 IIC_Br, "b", "\t$target",
1520 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1522 let Inst{23-0} = target;
1526 // Branch and Exchange Jazelle -- for disassembly only
1527 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1528 [/* For disassembly only; pattern left blank */]> {
1529 let Inst{23-20} = 0b0010;
1530 //let Inst{19-8} = 0xfff;
1531 let Inst{7-4} = 0b0010;
1534 // Secure Monitor Call is a system instruction -- for disassembly only
1535 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1536 [/* For disassembly only; pattern left blank */]> {
1538 let Inst{23-4} = 0b01100000000000000111;
1539 let Inst{3-0} = opt;
1542 // Supervisor Call (Software Interrupt) -- for disassembly only
1543 let isCall = 1, Uses = [SP] in {
1544 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1545 [/* For disassembly only; pattern left blank */]> {
1547 let Inst{23-0} = svc;
1551 // Store Return State is a system instruction -- for disassembly only
1552 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1553 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1554 NoItinerary, "srs${amode}\tsp!, $mode",
1555 [/* For disassembly only; pattern left blank */]> {
1556 let Inst{31-28} = 0b1111;
1557 let Inst{22-20} = 0b110; // W = 1
1560 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1561 NoItinerary, "srs${amode}\tsp, $mode",
1562 [/* For disassembly only; pattern left blank */]> {
1563 let Inst{31-28} = 0b1111;
1564 let Inst{22-20} = 0b100; // W = 0
1567 // Return From Exception is a system instruction -- for disassembly only
1568 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1569 NoItinerary, "rfe${amode}\t$base!",
1570 [/* For disassembly only; pattern left blank */]> {
1571 let Inst{31-28} = 0b1111;
1572 let Inst{22-20} = 0b011; // W = 1
1575 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1576 NoItinerary, "rfe${amode}\t$base",
1577 [/* For disassembly only; pattern left blank */]> {
1578 let Inst{31-28} = 0b1111;
1579 let Inst{22-20} = 0b001; // W = 0
1581 } // isCodeGenOnly = 1
1583 //===----------------------------------------------------------------------===//
1584 // Load / store Instructions.
1590 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1591 UnOpFrag<(load node:$Src)>>;
1592 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1593 UnOpFrag<(zextloadi8 node:$Src)>>;
1594 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1595 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1596 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1597 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1599 // Special LDR for loads from non-pc-relative constpools.
1600 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1601 isReMaterializable = 1 in
1602 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1603 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1607 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1608 let Inst{19-16} = 0b1111;
1609 let Inst{15-12} = Rt;
1610 let Inst{11-0} = addr{11-0}; // imm12
1613 // Loads with zero extension
1614 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1615 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1616 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1618 // Loads with sign extension
1619 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1620 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1621 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1623 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1624 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1625 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1627 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1628 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1629 // FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
1630 // how to represent that such that tblgen is happy and we don't
1631 // mark this codegen only?
1633 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1634 (ins addrmode3:$addr), LdMiscFrm,
1635 IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
1636 []>, Requires<[IsARM, HasV5TE]>;
1640 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1641 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1642 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1643 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1645 // {13} 1 == Rm, 0 == imm12
1649 let Inst{25} = addr{13};
1650 let Inst{23} = addr{12};
1651 let Inst{19-16} = addr{17-14};
1652 let Inst{11-0} = addr{11-0};
1654 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1655 (ins GPR:$Rn, am2offset:$offset),
1656 IndexModePost, LdFrm, itin,
1657 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1658 // {13} 1 == Rm, 0 == imm12
1663 let Inst{25} = offset{13};
1664 let Inst{23} = offset{12};
1665 let Inst{19-16} = Rn;
1666 let Inst{11-0} = offset{11-0};
1670 let mayLoad = 1, neverHasSideEffects = 1 in {
1671 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1672 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1675 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1676 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1677 (ins addrmode3:$addr), IndexModePre,
1679 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1681 let Inst{23} = addr{8}; // U bit
1682 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1683 let Inst{19-16} = addr{12-9}; // Rn
1684 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1685 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1687 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1688 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1690 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1693 let Inst{23} = offset{8}; // U bit
1694 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1695 let Inst{19-16} = Rn;
1696 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1697 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1701 let mayLoad = 1, neverHasSideEffects = 1 in {
1702 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1703 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1704 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1705 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1706 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1707 } // mayLoad = 1, neverHasSideEffects = 1
1709 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1710 let mayLoad = 1, neverHasSideEffects = 1 in {
1711 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1712 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1713 LdFrm, IIC_iLoad_ru,
1714 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1715 let Inst{21} = 1; // overwrite
1717 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1718 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1719 LdFrm, IIC_iLoad_bh_ru,
1720 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1721 let Inst{21} = 1; // overwrite
1723 def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1724 (ins GPR:$base, am3offset:$offset), IndexModePost,
1725 LdMiscFrm, IIC_iLoad_bh_ru,
1726 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1727 let Inst{21} = 1; // overwrite
1729 def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1730 (ins GPR:$base, am3offset:$offset), IndexModePost,
1731 LdMiscFrm, IIC_iLoad_bh_ru,
1732 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1733 let Inst{21} = 1; // overwrite
1735 def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1736 (ins GPR:$base, am3offset:$offset), IndexModePost,
1737 LdMiscFrm, IIC_iLoad_bh_ru,
1738 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1739 let Inst{21} = 1; // overwrite
1745 // Stores with truncate
1746 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1747 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1748 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1751 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1752 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1753 def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1754 StMiscFrm, IIC_iStore_d_r,
1755 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1758 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1759 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1760 IndexModePre, StFrm, IIC_iStore_ru,
1761 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1763 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1765 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1766 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1767 IndexModePost, StFrm, IIC_iStore_ru,
1768 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1770 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1772 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1773 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1774 IndexModePre, StFrm, IIC_iStore_bh_ru,
1775 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1776 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1777 GPR:$Rn, am2offset:$offset))]>;
1778 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1779 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1780 IndexModePost, StFrm, IIC_iStore_bh_ru,
1781 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1782 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1783 GPR:$Rn, am2offset:$offset))]>;
1785 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1786 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1787 IndexModePre, StMiscFrm, IIC_iStore_ru,
1788 "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1790 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1792 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1793 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1794 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1795 "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1796 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1797 GPR:$Rn, am3offset:$offset))]>;
1799 // For disassembly only
1800 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1801 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1802 StMiscFrm, IIC_iStore_d_ru,
1803 "strd", "\t$src1, $src2, [$base, $offset]!",
1804 "$base = $base_wb", []>;
1806 // For disassembly only
1807 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1808 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1809 StMiscFrm, IIC_iStore_d_ru,
1810 "strd", "\t$src1, $src2, [$base], $offset",
1811 "$base = $base_wb", []>;
1813 // STRT, STRBT, and STRHT are for disassembly only.
1815 def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1816 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1817 IndexModeNone, StFrm, IIC_iStore_ru,
1818 "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1819 [/* For disassembly only; pattern left blank */]> {
1820 let Inst{21} = 1; // overwrite
1823 def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
1824 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1825 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1826 "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1827 [/* For disassembly only; pattern left blank */]> {
1828 let Inst{21} = 1; // overwrite
1831 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1832 (ins GPR:$src, GPR:$base,am3offset:$offset),
1833 StMiscFrm, IIC_iStore_bh_ru,
1834 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1835 [/* For disassembly only; pattern left blank */]> {
1836 let Inst{21} = 1; // overwrite
1839 //===----------------------------------------------------------------------===//
1840 // Load / store multiple Instructions.
1843 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1844 InstrItinClass itin, InstrItinClass itin_upd> {
1846 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1847 IndexModeNone, f, itin,
1848 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1849 let Inst{24-23} = 0b01; // Increment After
1850 let Inst{21} = 0; // No writeback
1851 let Inst{20} = L_bit;
1854 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1855 IndexModeUpd, f, itin_upd,
1856 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1857 let Inst{24-23} = 0b01; // Increment After
1858 let Inst{21} = 1; // Writeback
1859 let Inst{20} = L_bit;
1862 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1863 IndexModeNone, f, itin,
1864 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1865 let Inst{24-23} = 0b00; // Decrement After
1866 let Inst{21} = 0; // No writeback
1867 let Inst{20} = L_bit;
1870 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1871 IndexModeUpd, f, itin_upd,
1872 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1873 let Inst{24-23} = 0b00; // Decrement After
1874 let Inst{21} = 1; // Writeback
1875 let Inst{20} = L_bit;
1878 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1879 IndexModeNone, f, itin,
1880 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1881 let Inst{24-23} = 0b10; // Decrement Before
1882 let Inst{21} = 0; // No writeback
1883 let Inst{20} = L_bit;
1886 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1887 IndexModeUpd, f, itin_upd,
1888 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1889 let Inst{24-23} = 0b10; // Decrement Before
1890 let Inst{21} = 1; // Writeback
1891 let Inst{20} = L_bit;
1894 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1895 IndexModeNone, f, itin,
1896 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1897 let Inst{24-23} = 0b11; // Increment Before
1898 let Inst{21} = 0; // No writeback
1899 let Inst{20} = L_bit;
1902 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1903 IndexModeUpd, f, itin_upd,
1904 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1905 let Inst{24-23} = 0b11; // Increment Before
1906 let Inst{21} = 1; // Writeback
1907 let Inst{20} = L_bit;
1911 let neverHasSideEffects = 1 in {
1913 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1914 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1916 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1917 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1919 } // neverHasSideEffects
1921 // Load / Store Multiple Mnemonic Aliases
1922 def : MnemonicAlias<"ldm", "ldmia">;
1923 def : MnemonicAlias<"stm", "stmia">;
1925 // FIXME: remove when we have a way to marking a MI with these properties.
1926 // FIXME: Should pc be an implicit operand like PICADD, etc?
1927 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1928 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1929 def LDMIA_RET : ARMPseudoInst<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1930 reglist:$regs, variable_ops),
1931 Size4Bytes, IIC_iLoad_mBr, []>,
1932 RegConstraint<"$Rn = $wb">;
1934 //===----------------------------------------------------------------------===//
1935 // Move Instructions.
1938 let neverHasSideEffects = 1 in
1939 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1940 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1944 let Inst{11-4} = 0b00000000;
1947 let Inst{15-12} = Rd;
1950 // A version for the smaller set of tail call registers.
1951 let neverHasSideEffects = 1 in
1952 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1953 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1957 let Inst{11-4} = 0b00000000;
1960 let Inst{15-12} = Rd;
1963 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1964 DPSoRegFrm, IIC_iMOVsr,
1965 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1969 let Inst{15-12} = Rd;
1970 let Inst{11-0} = src;
1974 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1975 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1976 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1980 let Inst{15-12} = Rd;
1981 let Inst{19-16} = 0b0000;
1982 let Inst{11-0} = imm;
1985 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1986 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
1988 "movw", "\t$Rd, $imm",
1989 [(set GPR:$Rd, imm0_65535:$imm)]>,
1990 Requires<[IsARM, HasV6T2]>, UnaryDP {
1993 let Inst{15-12} = Rd;
1994 let Inst{11-0} = imm{11-0};
1995 let Inst{19-16} = imm{15-12};
2000 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2001 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2003 let Constraints = "$src = $Rd" in {
2004 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
2006 "movt", "\t$Rd, $imm",
2008 (or (and GPR:$src, 0xffff),
2009 lo16AllZero:$imm))]>, UnaryDP,
2010 Requires<[IsARM, HasV6T2]> {
2013 let Inst{15-12} = Rd;
2014 let Inst{11-0} = imm{11-0};
2015 let Inst{19-16} = imm{15-12};
2020 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2021 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2025 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2026 Requires<[IsARM, HasV6T2]>;
2028 let Uses = [CPSR] in
2029 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2030 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2033 // These aren't really mov instructions, but we have to define them this way
2034 // due to flag operands.
2036 let Defs = [CPSR] in {
2037 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2038 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2040 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2041 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2045 //===----------------------------------------------------------------------===//
2046 // Extend Instructions.
2051 defm SXTB : AI_ext_rrot<0b01101010,
2052 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2053 defm SXTH : AI_ext_rrot<0b01101011,
2054 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2056 defm SXTAB : AI_exta_rrot<0b01101010,
2057 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2058 defm SXTAH : AI_exta_rrot<0b01101011,
2059 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2061 // For disassembly only
2062 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2064 // For disassembly only
2065 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2069 let AddedComplexity = 16 in {
2070 defm UXTB : AI_ext_rrot<0b01101110,
2071 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2072 defm UXTH : AI_ext_rrot<0b01101111,
2073 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2074 defm UXTB16 : AI_ext_rrot<0b01101100,
2075 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2077 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2078 // The transformation should probably be done as a combiner action
2079 // instead so we can include a check for masking back in the upper
2080 // eight bits of the source into the lower eight bits of the result.
2081 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2082 // (UXTB16r_rot GPR:$Src, 24)>;
2083 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2084 (UXTB16r_rot GPR:$Src, 8)>;
2086 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2087 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2088 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2089 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2092 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2093 // For disassembly only
2094 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2097 def SBFX : I<(outs GPR:$Rd),
2098 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2099 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2100 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2101 Requires<[IsARM, HasV6T2]> {
2106 let Inst{27-21} = 0b0111101;
2107 let Inst{6-4} = 0b101;
2108 let Inst{20-16} = width;
2109 let Inst{15-12} = Rd;
2110 let Inst{11-7} = lsb;
2114 def UBFX : I<(outs GPR:$Rd),
2115 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2116 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2117 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2118 Requires<[IsARM, HasV6T2]> {
2123 let Inst{27-21} = 0b0111111;
2124 let Inst{6-4} = 0b101;
2125 let Inst{20-16} = width;
2126 let Inst{15-12} = Rd;
2127 let Inst{11-7} = lsb;
2131 //===----------------------------------------------------------------------===//
2132 // Arithmetic Instructions.
2135 defm ADD : AsI1_bin_irs<0b0100, "add",
2136 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2137 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2138 defm SUB : AsI1_bin_irs<0b0010, "sub",
2139 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2140 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2142 // ADD and SUB with 's' bit set.
2143 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2144 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2145 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2146 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2147 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2148 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2150 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2151 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2152 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2153 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2155 // ADC and SUBC with 's' bit set.
2156 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2157 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2158 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2159 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2161 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2162 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2163 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2168 let Inst{15-12} = Rd;
2169 let Inst{19-16} = Rn;
2170 let Inst{11-0} = imm;
2173 // The reg/reg form is only defined for the disassembler; for codegen it is
2174 // equivalent to SUBrr.
2175 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2176 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2177 [/* For disassembly only; pattern left blank */]> {
2181 let Inst{11-4} = 0b00000000;
2184 let Inst{15-12} = Rd;
2185 let Inst{19-16} = Rn;
2188 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2189 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2190 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2195 let Inst{11-0} = shift;
2196 let Inst{15-12} = Rd;
2197 let Inst{19-16} = Rn;
2200 // RSB with 's' bit set.
2201 let isCodeGenOnly = 1, Defs = [CPSR] in {
2202 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2203 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2204 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2210 let Inst{15-12} = Rd;
2211 let Inst{19-16} = Rn;
2212 let Inst{11-0} = imm;
2214 def RSBSrr : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2215 IIC_iALUr, "rsbs", "\t$Rd, $Rn, $Rm",
2216 [/* For disassembly only; pattern left blank */]> {
2220 let Inst{11-4} = 0b00000000;
2224 let Inst{15-12} = Rd;
2225 let Inst{19-16} = Rn;
2227 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2228 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2229 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2235 let Inst{11-0} = shift;
2236 let Inst{15-12} = Rd;
2237 let Inst{19-16} = Rn;
2241 let Uses = [CPSR] in {
2242 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2243 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2244 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2250 let Inst{15-12} = Rd;
2251 let Inst{19-16} = Rn;
2252 let Inst{11-0} = imm;
2254 // The reg/reg form is only defined for the disassembler; for codegen it is
2255 // equivalent to SUBrr.
2256 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2257 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2258 [/* For disassembly only; pattern left blank */]> {
2262 let Inst{11-4} = 0b00000000;
2265 let Inst{15-12} = Rd;
2266 let Inst{19-16} = Rn;
2268 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2269 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2270 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2276 let Inst{11-0} = shift;
2277 let Inst{15-12} = Rd;
2278 let Inst{19-16} = Rn;
2282 // FIXME: Allow these to be predicated.
2283 let isCodeGenOnly = 1, Defs = [CPSR], Uses = [CPSR] in {
2284 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2285 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2286 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2293 let Inst{15-12} = Rd;
2294 let Inst{19-16} = Rn;
2295 let Inst{11-0} = imm;
2297 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2298 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2299 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2306 let Inst{11-0} = shift;
2307 let Inst{15-12} = Rd;
2308 let Inst{19-16} = Rn;
2312 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2313 // The assume-no-carry-in form uses the negation of the input since add/sub
2314 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2315 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2317 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2318 (SUBri GPR:$src, so_imm_neg:$imm)>;
2319 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2320 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2321 // The with-carry-in form matches bitwise not instead of the negation.
2322 // Effectively, the inverse interpretation of the carry flag already accounts
2323 // for part of the negation.
2324 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2325 (SBCri GPR:$src, so_imm_not:$imm)>;
2327 // Note: These are implemented in C++ code, because they have to generate
2328 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2330 // (mul X, 2^n+1) -> (add (X << n), X)
2331 // (mul X, 2^n-1) -> (rsb X, (X << n))
2333 // ARM Arithmetic Instruction -- for disassembly only
2334 // GPR:$dst = GPR:$a op GPR:$b
2335 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2336 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2337 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2338 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2342 let Inst{27-20} = op27_20;
2343 let Inst{11-4} = op11_4;
2344 let Inst{19-16} = Rn;
2345 let Inst{15-12} = Rd;
2349 // Saturating add/subtract -- for disassembly only
2351 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2352 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2353 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2354 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2355 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2356 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2357 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2359 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2362 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2363 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2364 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2365 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2366 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2367 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2368 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2369 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2370 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2371 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2372 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2373 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2375 // Signed/Unsigned add/subtract -- for disassembly only
2377 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2378 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2379 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2380 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2381 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2382 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2383 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2384 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2385 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2386 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2387 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2388 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2390 // Signed/Unsigned halving add/subtract -- for disassembly only
2392 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2393 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2394 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2395 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2396 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2397 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2398 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2399 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2400 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2401 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2402 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2403 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2405 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2407 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2408 MulFrm /* for convenience */, NoItinerary, "usad8",
2409 "\t$Rd, $Rn, $Rm", []>,
2410 Requires<[IsARM, HasV6]> {
2414 let Inst{27-20} = 0b01111000;
2415 let Inst{15-12} = 0b1111;
2416 let Inst{7-4} = 0b0001;
2417 let Inst{19-16} = Rd;
2418 let Inst{11-8} = Rm;
2421 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2422 MulFrm /* for convenience */, NoItinerary, "usada8",
2423 "\t$Rd, $Rn, $Rm, $Ra", []>,
2424 Requires<[IsARM, HasV6]> {
2429 let Inst{27-20} = 0b01111000;
2430 let Inst{7-4} = 0b0001;
2431 let Inst{19-16} = Rd;
2432 let Inst{15-12} = Ra;
2433 let Inst{11-8} = Rm;
2437 // Signed/Unsigned saturate -- for disassembly only
2439 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2440 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2441 [/* For disassembly only; pattern left blank */]> {
2446 let Inst{27-21} = 0b0110101;
2447 let Inst{5-4} = 0b01;
2448 let Inst{20-16} = sat_imm;
2449 let Inst{15-12} = Rd;
2450 let Inst{11-7} = sh{7-3};
2451 let Inst{6} = sh{0};
2455 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2456 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2457 [/* For disassembly only; pattern left blank */]> {
2461 let Inst{27-20} = 0b01101010;
2462 let Inst{11-4} = 0b11110011;
2463 let Inst{15-12} = Rd;
2464 let Inst{19-16} = sat_imm;
2468 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2469 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2470 [/* For disassembly only; pattern left blank */]> {
2475 let Inst{27-21} = 0b0110111;
2476 let Inst{5-4} = 0b01;
2477 let Inst{15-12} = Rd;
2478 let Inst{11-7} = sh{7-3};
2479 let Inst{6} = sh{0};
2480 let Inst{20-16} = sat_imm;
2484 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2485 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2486 [/* For disassembly only; pattern left blank */]> {
2490 let Inst{27-20} = 0b01101110;
2491 let Inst{11-4} = 0b11110011;
2492 let Inst{15-12} = Rd;
2493 let Inst{19-16} = sat_imm;
2497 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2498 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2500 //===----------------------------------------------------------------------===//
2501 // Bitwise Instructions.
2504 defm AND : AsI1_bin_irs<0b0000, "and",
2505 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2506 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2507 defm ORR : AsI1_bin_irs<0b1100, "orr",
2508 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2509 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2510 defm EOR : AsI1_bin_irs<0b0001, "eor",
2511 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2512 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2513 defm BIC : AsI1_bin_irs<0b1110, "bic",
2514 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2515 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2517 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2518 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2519 "bfc", "\t$Rd, $imm", "$src = $Rd",
2520 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2521 Requires<[IsARM, HasV6T2]> {
2524 let Inst{27-21} = 0b0111110;
2525 let Inst{6-0} = 0b0011111;
2526 let Inst{15-12} = Rd;
2527 let Inst{11-7} = imm{4-0}; // lsb
2528 let Inst{20-16} = imm{9-5}; // width
2531 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2532 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2533 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2534 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2535 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2536 bf_inv_mask_imm:$imm))]>,
2537 Requires<[IsARM, HasV6T2]> {
2541 let Inst{27-21} = 0b0111110;
2542 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2543 let Inst{15-12} = Rd;
2544 let Inst{11-7} = imm{4-0}; // lsb
2545 let Inst{20-16} = imm{9-5}; // width
2549 // GNU as only supports this form of bfi (w/ 4 arguments)
2550 let isAsmParserOnly = 1 in
2551 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2552 lsb_pos_imm:$lsb, width_imm:$width),
2553 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2554 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2555 []>, Requires<[IsARM, HasV6T2]> {
2560 let Inst{27-21} = 0b0111110;
2561 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2562 let Inst{15-12} = Rd;
2563 let Inst{11-7} = lsb;
2564 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2568 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2569 "mvn", "\t$Rd, $Rm",
2570 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2574 let Inst{19-16} = 0b0000;
2575 let Inst{11-4} = 0b00000000;
2576 let Inst{15-12} = Rd;
2579 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2580 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2581 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2585 let Inst{19-16} = 0b0000;
2586 let Inst{15-12} = Rd;
2587 let Inst{11-0} = shift;
2589 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2590 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2591 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2592 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2596 let Inst{19-16} = 0b0000;
2597 let Inst{15-12} = Rd;
2598 let Inst{11-0} = imm;
2601 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2602 (BICri GPR:$src, so_imm_not:$imm)>;
2604 //===----------------------------------------------------------------------===//
2605 // Multiply Instructions.
2607 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2608 string opc, string asm, list<dag> pattern>
2609 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2613 let Inst{19-16} = Rd;
2614 let Inst{11-8} = Rm;
2617 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2618 string opc, string asm, list<dag> pattern>
2619 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2624 let Inst{19-16} = RdHi;
2625 let Inst{15-12} = RdLo;
2626 let Inst{11-8} = Rm;
2630 let isCommutable = 1 in {
2631 let Constraints = "@earlyclobber $Rd" in
2632 def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2633 pred:$p, cc_out:$s),
2634 Size4Bytes, IIC_iMUL32,
2635 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2636 Requires<[IsARM, NoV6]>;
2638 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2639 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2640 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2641 Requires<[IsARM, HasV6]>;
2644 let Constraints = "@earlyclobber $Rd" in
2645 def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
2646 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2647 Size4Bytes, IIC_iMAC32,
2648 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2649 Requires<[IsARM, NoV6]> {
2651 let Inst{15-12} = Ra;
2653 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2654 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2655 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2656 Requires<[IsARM, HasV6]> {
2658 let Inst{15-12} = Ra;
2661 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2662 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2663 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2664 Requires<[IsARM, HasV6T2]> {
2669 let Inst{19-16} = Rd;
2670 let Inst{15-12} = Ra;
2671 let Inst{11-8} = Rm;
2675 // Extra precision multiplies with low / high results
2677 let neverHasSideEffects = 1 in {
2678 let isCommutable = 1 in {
2679 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2680 def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2681 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2682 Size4Bytes, IIC_iMUL64, []>,
2683 Requires<[IsARM, NoV6]>;
2685 def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2686 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2687 Size4Bytes, IIC_iMUL64, []>,
2688 Requires<[IsARM, NoV6]>;
2691 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2692 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2693 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2694 Requires<[IsARM, HasV6]>;
2696 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2697 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2698 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2699 Requires<[IsARM, HasV6]>;
2702 // Multiply + accumulate
2703 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2704 def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2705 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2706 Size4Bytes, IIC_iMAC64, []>,
2707 Requires<[IsARM, NoV6]>;
2708 def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2709 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2710 Size4Bytes, IIC_iMAC64, []>,
2711 Requires<[IsARM, NoV6]>;
2712 def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2713 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2714 Size4Bytes, IIC_iMAC64, []>,
2715 Requires<[IsARM, NoV6]>;
2719 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2720 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2721 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2722 Requires<[IsARM, HasV6]>;
2723 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2724 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2725 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2726 Requires<[IsARM, HasV6]>;
2728 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2729 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2730 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2731 Requires<[IsARM, HasV6]> {
2736 let Inst{19-16} = RdLo;
2737 let Inst{15-12} = RdHi;
2738 let Inst{11-8} = Rm;
2741 } // neverHasSideEffects
2743 // Most significant word multiply
2744 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2745 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2746 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2747 Requires<[IsARM, HasV6]> {
2748 let Inst{15-12} = 0b1111;
2751 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2752 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2753 [/* For disassembly only; pattern left blank */]>,
2754 Requires<[IsARM, HasV6]> {
2755 let Inst{15-12} = 0b1111;
2758 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2759 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2760 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2761 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2762 Requires<[IsARM, HasV6]>;
2764 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2765 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2766 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2767 [/* For disassembly only; pattern left blank */]>,
2768 Requires<[IsARM, HasV6]>;
2770 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2771 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2772 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2773 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2774 Requires<[IsARM, HasV6]>;
2776 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2777 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2778 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2779 [/* For disassembly only; pattern left blank */]>,
2780 Requires<[IsARM, HasV6]>;
2782 multiclass AI_smul<string opc, PatFrag opnode> {
2783 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2784 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2785 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2786 (sext_inreg GPR:$Rm, i16)))]>,
2787 Requires<[IsARM, HasV5TE]>;
2789 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2790 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2791 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2792 (sra GPR:$Rm, (i32 16))))]>,
2793 Requires<[IsARM, HasV5TE]>;
2795 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2796 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2797 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2798 (sext_inreg GPR:$Rm, i16)))]>,
2799 Requires<[IsARM, HasV5TE]>;
2801 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2802 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2803 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2804 (sra GPR:$Rm, (i32 16))))]>,
2805 Requires<[IsARM, HasV5TE]>;
2807 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2808 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2809 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2810 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2811 Requires<[IsARM, HasV5TE]>;
2813 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2814 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2815 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2816 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2817 Requires<[IsARM, HasV5TE]>;
2821 multiclass AI_smla<string opc, PatFrag opnode> {
2822 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2823 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2824 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2825 [(set GPR:$Rd, (add GPR:$Ra,
2826 (opnode (sext_inreg GPR:$Rn, i16),
2827 (sext_inreg GPR:$Rm, i16))))]>,
2828 Requires<[IsARM, HasV5TE]>;
2830 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2831 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2832 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2833 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2834 (sra GPR:$Rm, (i32 16)))))]>,
2835 Requires<[IsARM, HasV5TE]>;
2837 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2838 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2839 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2840 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2841 (sext_inreg GPR:$Rm, i16))))]>,
2842 Requires<[IsARM, HasV5TE]>;
2844 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2845 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2846 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2847 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2848 (sra GPR:$Rm, (i32 16)))))]>,
2849 Requires<[IsARM, HasV5TE]>;
2851 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2852 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2853 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2854 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2855 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2856 Requires<[IsARM, HasV5TE]>;
2858 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2859 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2860 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2861 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2862 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2863 Requires<[IsARM, HasV5TE]>;
2866 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2867 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2869 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2870 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2871 (ins GPR:$Rn, GPR:$Rm),
2872 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2873 [/* For disassembly only; pattern left blank */]>,
2874 Requires<[IsARM, HasV5TE]>;
2876 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2877 (ins GPR:$Rn, GPR:$Rm),
2878 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2879 [/* For disassembly only; pattern left blank */]>,
2880 Requires<[IsARM, HasV5TE]>;
2882 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2883 (ins GPR:$Rn, GPR:$Rm),
2884 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2885 [/* For disassembly only; pattern left blank */]>,
2886 Requires<[IsARM, HasV5TE]>;
2888 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2889 (ins GPR:$Rn, GPR:$Rm),
2890 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2891 [/* For disassembly only; pattern left blank */]>,
2892 Requires<[IsARM, HasV5TE]>;
2894 // Helper class for AI_smld -- for disassembly only
2895 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2896 InstrItinClass itin, string opc, string asm>
2897 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2904 let Inst{21-20} = 0b00;
2905 let Inst{22} = long;
2906 let Inst{27-23} = 0b01110;
2907 let Inst{11-8} = Rm;
2910 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2911 InstrItinClass itin, string opc, string asm>
2912 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2914 let Inst{15-12} = 0b1111;
2915 let Inst{19-16} = Rd;
2917 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2918 InstrItinClass itin, string opc, string asm>
2919 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2921 let Inst{15-12} = Ra;
2923 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2924 InstrItinClass itin, string opc, string asm>
2925 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2928 let Inst{19-16} = RdHi;
2929 let Inst{15-12} = RdLo;
2932 multiclass AI_smld<bit sub, string opc> {
2934 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2935 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2937 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2938 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2940 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2941 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2942 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2944 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2945 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2946 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2950 defm SMLA : AI_smld<0, "smla">;
2951 defm SMLS : AI_smld<1, "smls">;
2953 multiclass AI_sdml<bit sub, string opc> {
2955 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2956 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2957 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2958 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2961 defm SMUA : AI_sdml<0, "smua">;
2962 defm SMUS : AI_sdml<1, "smus">;
2964 //===----------------------------------------------------------------------===//
2965 // Misc. Arithmetic Instructions.
2968 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2969 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2970 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2972 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2973 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2974 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2975 Requires<[IsARM, HasV6T2]>;
2977 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2978 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2979 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2981 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2982 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2984 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2985 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2986 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2987 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2988 Requires<[IsARM, HasV6]>;
2990 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2991 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2994 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2995 (shl GPR:$Rm, (i32 8))), i16))]>,
2996 Requires<[IsARM, HasV6]>;
2998 def lsl_shift_imm : SDNodeXForm<imm, [{
2999 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
3000 return CurDAG->getTargetConstant(Sh, MVT::i32);
3003 def lsl_amt : PatLeaf<(i32 imm), [{
3004 return (N->getZExtValue() < 32);
3007 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3008 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3009 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3010 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3011 (and (shl GPR:$Rm, lsl_amt:$sh),
3013 Requires<[IsARM, HasV6]>;
3015 // Alternate cases for PKHBT where identities eliminate some nodes.
3016 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3017 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3018 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3019 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
3021 def asr_shift_imm : SDNodeXForm<imm, [{
3022 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
3023 return CurDAG->getTargetConstant(Sh, MVT::i32);
3026 def asr_amt : PatLeaf<(i32 imm), [{
3027 return (N->getZExtValue() <= 32);
3030 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3031 // will match the pattern below.
3032 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3033 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3034 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3035 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3036 (and (sra GPR:$Rm, asr_amt:$sh),
3038 Requires<[IsARM, HasV6]>;
3040 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3041 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3042 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3043 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
3044 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3045 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3046 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
3048 //===----------------------------------------------------------------------===//
3049 // Comparison Instructions...
3052 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3053 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3054 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3056 // ARMcmpZ can re-use the above instruction definitions.
3057 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3058 (CMPri GPR:$src, so_imm:$imm)>;
3059 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3060 (CMPrr GPR:$src, GPR:$rhs)>;
3061 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3062 (CMPrs GPR:$src, so_reg:$rhs)>;
3064 // FIXME: We have to be careful when using the CMN instruction and comparison
3065 // with 0. One would expect these two pieces of code should give identical
3081 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3082 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3083 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3084 // value of r0 and the carry bit (because the "carry bit" parameter to
3085 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3086 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3087 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3088 // parameter to AddWithCarry is defined as 0).
3090 // When x is 0 and unsigned:
3094 // ~x + 1 = 0x1 0000 0000
3095 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3097 // Therefore, we should disable CMN when comparing against zero, until we can
3098 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3099 // when it's a comparison which doesn't look at the 'carry' flag).
3101 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3103 // This is related to <rdar://problem/7569620>.
3105 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3106 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3108 // Note that TST/TEQ don't set all the same flags that CMP does!
3109 defm TST : AI1_cmp_irs<0b1000, "tst",
3110 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3111 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3112 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3113 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3114 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3116 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3117 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3118 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3120 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3121 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3123 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3124 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3126 // Pseudo i64 compares for some floating point compares.
3127 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3129 def BCCi64 : PseudoInst<(outs),
3130 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3132 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3134 def BCCZi64 : PseudoInst<(outs),
3135 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3136 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3137 } // usesCustomInserter
3140 // Conditional moves
3141 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3142 // a two-value operand where a dag node expects two operands. :(
3143 let neverHasSideEffects = 1 in {
3144 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3145 Size4Bytes, IIC_iCMOVr,
3146 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3147 RegConstraint<"$false = $Rd">;
3148 def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
3149 (ins GPR:$false, so_reg:$shift, pred:$p),
3150 Size4Bytes, IIC_iCMOVsr,
3151 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3152 RegConstraint<"$false = $Rd">;
3154 let isMoveImm = 1 in
3155 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3156 (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
3157 Size4Bytes, IIC_iMOVi,
3159 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3161 let isMoveImm = 1 in
3162 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3163 (ins GPR:$false, so_imm:$imm, pred:$p),
3164 Size4Bytes, IIC_iCMOVi,
3165 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3166 RegConstraint<"$false = $Rd">;
3168 // Two instruction predicate mov immediate.
3169 let isMoveImm = 1 in
3170 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3171 (ins GPR:$false, i32imm:$src, pred:$p),
3172 Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3174 let isMoveImm = 1 in
3175 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3176 (ins GPR:$false, so_imm:$imm, pred:$p),
3177 Size4Bytes, IIC_iCMOVi,
3178 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3179 RegConstraint<"$false = $Rd">;
3180 } // neverHasSideEffects
3182 //===----------------------------------------------------------------------===//
3183 // Atomic operations intrinsics
3186 def memb_opt : Operand<i32> {
3187 let PrintMethod = "printMemBOption";
3188 let ParserMatchClass = MemBarrierOptOperand;
3191 // memory barriers protect the atomic sequences
3192 let hasSideEffects = 1 in {
3193 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3194 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3195 Requires<[IsARM, HasDB]> {
3197 let Inst{31-4} = 0xf57ff05;
3198 let Inst{3-0} = opt;
3202 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3204 [/* For disassembly only; pattern left blank */]>,
3205 Requires<[IsARM, HasDB]> {
3207 let Inst{31-4} = 0xf57ff04;
3208 let Inst{3-0} = opt;
3211 // ISB has only full system option -- for disassembly only
3212 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3213 Requires<[IsARM, HasDB]> {
3214 let Inst{31-4} = 0xf57ff06;
3215 let Inst{3-0} = 0b1111;
3218 let usesCustomInserter = 1 in {
3219 let Uses = [CPSR] in {
3220 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3221 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3222 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3223 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3224 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3225 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3226 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3227 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3228 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3229 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3230 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3231 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3232 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3233 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3234 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3235 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3236 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3237 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3238 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3239 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3240 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3241 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3242 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3243 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3244 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3245 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3246 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3247 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3248 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3249 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3250 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3251 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3252 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3253 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3254 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3255 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3256 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3257 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3258 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3259 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3260 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3261 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3262 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3263 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3264 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3265 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3266 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3267 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3268 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3269 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3270 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3271 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3272 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3273 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3275 def ATOMIC_SWAP_I8 : PseudoInst<
3276 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3277 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3278 def ATOMIC_SWAP_I16 : PseudoInst<
3279 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3280 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3281 def ATOMIC_SWAP_I32 : PseudoInst<
3282 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3283 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3285 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3286 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3287 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3288 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3289 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3290 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3291 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3292 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3293 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3297 let mayLoad = 1 in {
3298 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3299 "ldrexb", "\t$Rt, [$Rn]",
3301 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3302 "ldrexh", "\t$Rt, [$Rn]",
3304 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3305 "ldrex", "\t$Rt, [$Rn]",
3307 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3309 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3313 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3314 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3316 "strexb", "\t$Rd, $src, [$Rn]",
3318 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3320 "strexh", "\t$Rd, $Rt, [$Rn]",
3322 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3324 "strex", "\t$Rd, $Rt, [$Rn]",
3326 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3327 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3329 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3333 // Clear-Exclusive is for disassembly only.
3334 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3335 [/* For disassembly only; pattern left blank */]>,
3336 Requires<[IsARM, HasV7]> {
3337 let Inst{31-0} = 0b11110101011111111111000000011111;
3340 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3341 let mayLoad = 1 in {
3342 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3343 [/* For disassembly only; pattern left blank */]>;
3344 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3345 [/* For disassembly only; pattern left blank */]>;
3348 //===----------------------------------------------------------------------===//
3349 // Coprocessor Instructions.
3352 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3353 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3354 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3355 [/* For disassembly only; pattern left blank */]> {
3363 let Inst{3-0} = CRm;
3365 let Inst{7-5} = opc2;
3366 let Inst{11-8} = cop;
3367 let Inst{15-12} = CRd;
3368 let Inst{19-16} = CRn;
3369 let Inst{23-20} = opc1;
3372 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3373 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3374 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3375 [/* For disassembly only; pattern left blank */]> {
3376 let Inst{31-28} = 0b1111;
3384 let Inst{3-0} = CRm;
3386 let Inst{7-5} = opc2;
3387 let Inst{11-8} = cop;
3388 let Inst{15-12} = CRd;
3389 let Inst{19-16} = CRn;
3390 let Inst{23-20} = opc1;
3393 class ACI<dag oops, dag iops, string opc, string asm>
3394 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3395 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3396 let Inst{27-25} = 0b110;
3399 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3401 def _OFFSET : ACI<(outs),
3402 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3403 opc, "\tp$cop, cr$CRd, $addr"> {
3404 let Inst{31-28} = op31_28;
3405 let Inst{24} = 1; // P = 1
3406 let Inst{21} = 0; // W = 0
3407 let Inst{22} = 0; // D = 0
3408 let Inst{20} = load;
3411 def _PRE : ACI<(outs),
3412 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3413 opc, "\tp$cop, cr$CRd, $addr!"> {
3414 let Inst{31-28} = op31_28;
3415 let Inst{24} = 1; // P = 1
3416 let Inst{21} = 1; // W = 1
3417 let Inst{22} = 0; // D = 0
3418 let Inst{20} = load;
3421 def _POST : ACI<(outs),
3422 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3423 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3424 let Inst{31-28} = op31_28;
3425 let Inst{24} = 0; // P = 0
3426 let Inst{21} = 1; // W = 1
3427 let Inst{22} = 0; // D = 0
3428 let Inst{20} = load;
3431 def _OPTION : ACI<(outs),
3432 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3433 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3434 let Inst{31-28} = op31_28;
3435 let Inst{24} = 0; // P = 0
3436 let Inst{23} = 1; // U = 1
3437 let Inst{21} = 0; // W = 0
3438 let Inst{22} = 0; // D = 0
3439 let Inst{20} = load;
3442 def L_OFFSET : ACI<(outs),
3443 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3444 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3445 let Inst{31-28} = op31_28;
3446 let Inst{24} = 1; // P = 1
3447 let Inst{21} = 0; // W = 0
3448 let Inst{22} = 1; // D = 1
3449 let Inst{20} = load;
3452 def L_PRE : ACI<(outs),
3453 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3454 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3455 let Inst{31-28} = op31_28;
3456 let Inst{24} = 1; // P = 1
3457 let Inst{21} = 1; // W = 1
3458 let Inst{22} = 1; // D = 1
3459 let Inst{20} = load;
3462 def L_POST : ACI<(outs),
3463 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3464 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3465 let Inst{31-28} = op31_28;
3466 let Inst{24} = 0; // P = 0
3467 let Inst{21} = 1; // W = 1
3468 let Inst{22} = 1; // D = 1
3469 let Inst{20} = load;
3472 def L_OPTION : ACI<(outs),
3473 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3474 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3475 let Inst{31-28} = op31_28;
3476 let Inst{24} = 0; // P = 0
3477 let Inst{23} = 1; // U = 1
3478 let Inst{21} = 0; // W = 0
3479 let Inst{22} = 1; // D = 1
3480 let Inst{20} = load;
3484 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3485 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3486 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3487 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3489 //===----------------------------------------------------------------------===//
3490 // Move between coprocessor and ARM core register -- for disassembly only
3493 class MovRCopro<string opc, bit direction>
3494 : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3495 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3496 NoItinerary, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
3497 [/* For disassembly only; pattern left blank */]> {
3498 let Inst{20} = direction;
3508 let Inst{15-12} = Rt;
3509 let Inst{11-8} = cop;
3510 let Inst{23-21} = opc1;
3511 let Inst{7-5} = opc2;
3512 let Inst{3-0} = CRm;
3513 let Inst{19-16} = CRn;
3516 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */>;
3517 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */>;
3519 class MovRCopro2<string opc, bit direction>
3520 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3521 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3522 NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
3523 [/* For disassembly only; pattern left blank */]> {
3524 let Inst{31-28} = 0b1111;
3525 let Inst{20} = direction;
3535 let Inst{15-12} = Rt;
3536 let Inst{11-8} = cop;
3537 let Inst{23-21} = opc1;
3538 let Inst{7-5} = opc2;
3539 let Inst{3-0} = CRm;
3540 let Inst{19-16} = CRn;
3543 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */>;
3544 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */>;
3546 class MovRRCopro<string opc, bit direction>
3547 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3548 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3549 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
3550 [/* For disassembly only; pattern left blank */]> {
3551 let Inst{23-21} = 0b010;
3552 let Inst{20} = direction;
3560 let Inst{15-12} = Rt;
3561 let Inst{19-16} = Rt2;
3562 let Inst{11-8} = cop;
3563 let Inst{7-4} = opc1;
3564 let Inst{3-0} = CRm;
3567 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */>;
3568 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3570 class MovRRCopro2<string opc, bit direction>
3571 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3572 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3573 NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"),
3574 [/* For disassembly only; pattern left blank */]> {
3575 let Inst{31-28} = 0b1111;
3576 let Inst{23-21} = 0b010;
3577 let Inst{20} = direction;
3585 let Inst{15-12} = Rt;
3586 let Inst{19-16} = Rt2;
3587 let Inst{11-8} = cop;
3588 let Inst{7-4} = opc1;
3589 let Inst{3-0} = CRm;
3592 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */>;
3593 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3595 //===----------------------------------------------------------------------===//
3596 // Move between special register and ARM core register -- for disassembly only
3599 // Move to ARM core register from Special Register
3600 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3601 [/* For disassembly only; pattern left blank */]> {
3603 let Inst{23-16} = 0b00001111;
3604 let Inst{15-12} = Rd;
3605 let Inst{7-4} = 0b0000;
3608 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3609 [/* For disassembly only; pattern left blank */]> {
3611 let Inst{23-16} = 0b01001111;
3612 let Inst{15-12} = Rd;
3613 let Inst{7-4} = 0b0000;
3616 // Move from ARM core register to Special Register
3618 // No need to have both system and application versions, the encodings are the
3619 // same and the assembly parser has no way to distinguish between them. The mask
3620 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3621 // the mask with the fields to be accessed in the special register.
3622 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3623 "msr", "\t$mask, $Rn",
3624 [/* For disassembly only; pattern left blank */]> {
3629 let Inst{22} = mask{4}; // R bit
3630 let Inst{21-20} = 0b10;
3631 let Inst{19-16} = mask{3-0};
3632 let Inst{15-12} = 0b1111;
3633 let Inst{11-4} = 0b00000000;
3637 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3638 "msr", "\t$mask, $a",
3639 [/* For disassembly only; pattern left blank */]> {
3644 let Inst{22} = mask{4}; // R bit
3645 let Inst{21-20} = 0b10;
3646 let Inst{19-16} = mask{3-0};
3647 let Inst{15-12} = 0b1111;
3651 //===----------------------------------------------------------------------===//
3655 // __aeabi_read_tp preserves the registers r1-r3.
3656 // This is a pseudo inst so that we can get the encoding right,
3657 // complete with fixup for the aeabi_read_tp function.
3659 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3660 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3661 [(set R0, ARMthread_pointer)]>;
3664 //===----------------------------------------------------------------------===//
3665 // SJLJ Exception handling intrinsics
3666 // eh_sjlj_setjmp() is an instruction sequence to store the return
3667 // address and save #0 in R0 for the non-longjmp case.
3668 // Since by its nature we may be coming from some other function to get
3669 // here, and we're using the stack frame for the containing function to
3670 // save/restore registers, we can't keep anything live in regs across
3671 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3672 // when we get here from a longjmp(). We force everthing out of registers
3673 // except for our own input by listing the relevant registers in Defs. By
3674 // doing so, we also cause the prologue/epilogue code to actively preserve
3675 // all of the callee-saved resgisters, which is exactly what we want.
3676 // A constant value is passed in $val, and we use the location as a scratch.
3678 // These are pseudo-instructions and are lowered to individual MC-insts, so
3679 // no encoding information is necessary.
3681 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3682 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3683 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3684 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3685 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3687 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3688 Requires<[IsARM, HasVFP2]>;
3692 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3693 hasSideEffects = 1, isBarrier = 1 in {
3694 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3696 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3697 Requires<[IsARM, NoVFP]>;
3700 // FIXME: Non-Darwin version(s)
3701 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3702 Defs = [ R7, LR, SP ] in {
3703 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3705 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3706 Requires<[IsARM, IsDarwin]>;
3709 // eh.sjlj.dispatchsetup pseudo-instruction.
3710 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3711 // handled when the pseudo is expanded (which happens before any passes
3712 // that need the instruction size).
3713 let isBarrier = 1, hasSideEffects = 1 in
3714 def Int_eh_sjlj_dispatchsetup :
3715 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3716 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3717 Requires<[IsDarwin]>;
3719 //===----------------------------------------------------------------------===//
3720 // Non-Instruction Patterns
3723 // Large immediate handling.
3725 // 32-bit immediate using two piece so_imms or movw + movt.
3726 // This is a single pseudo instruction, the benefit is that it can be remat'd
3727 // as a single unit instead of having to handle reg inputs.
3728 // FIXME: Remove this when we can do generalized remat.
3729 let isReMaterializable = 1, isMoveImm = 1 in
3730 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3731 [(set GPR:$dst, (arm_i32imm:$src))]>,
3734 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3735 // It also makes it possible to rematerialize the instructions.
3736 // FIXME: Remove this when we can do generalized remat and when machine licm
3737 // can properly the instructions.
3738 let isReMaterializable = 1 in {
3739 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3741 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3742 Requires<[IsARM, UseMovt]>;
3744 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3746 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3747 Requires<[IsARM, UseMovt]>;
3749 let AddedComplexity = 10 in
3750 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3752 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3753 Requires<[IsARM, UseMovt]>;
3754 } // isReMaterializable
3756 // ConstantPool, GlobalAddress, and JumpTable
3757 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3758 Requires<[IsARM, DontUseMovt]>;
3759 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3760 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3761 Requires<[IsARM, UseMovt]>;
3762 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3763 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3765 // TODO: add,sub,and, 3-instr forms?
3768 def : ARMPat<(ARMtcret tcGPR:$dst),
3769 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3771 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3772 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3774 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3775 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3777 def : ARMPat<(ARMtcret tcGPR:$dst),
3778 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3780 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3781 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3783 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3784 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3787 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3788 Requires<[IsARM, IsNotDarwin]>;
3789 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3790 Requires<[IsARM, IsDarwin]>;
3792 // zextload i1 -> zextload i8
3793 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3794 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3796 // extload -> zextload
3797 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3798 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3799 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3800 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3802 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3804 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3805 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3808 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3809 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3810 (SMULBB GPR:$a, GPR:$b)>;
3811 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3812 (SMULBB GPR:$a, GPR:$b)>;
3813 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3814 (sra GPR:$b, (i32 16))),
3815 (SMULBT GPR:$a, GPR:$b)>;
3816 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3817 (SMULBT GPR:$a, GPR:$b)>;
3818 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3819 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3820 (SMULTB GPR:$a, GPR:$b)>;
3821 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3822 (SMULTB GPR:$a, GPR:$b)>;
3823 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3825 (SMULWB GPR:$a, GPR:$b)>;
3826 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3827 (SMULWB GPR:$a, GPR:$b)>;
3829 def : ARMV5TEPat<(add GPR:$acc,
3830 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3831 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3832 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3833 def : ARMV5TEPat<(add GPR:$acc,
3834 (mul sext_16_node:$a, sext_16_node:$b)),
3835 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3836 def : ARMV5TEPat<(add GPR:$acc,
3837 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3838 (sra GPR:$b, (i32 16)))),
3839 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3840 def : ARMV5TEPat<(add GPR:$acc,
3841 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3842 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3843 def : ARMV5TEPat<(add GPR:$acc,
3844 (mul (sra GPR:$a, (i32 16)),
3845 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3846 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3847 def : ARMV5TEPat<(add GPR:$acc,
3848 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3849 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3850 def : ARMV5TEPat<(add GPR:$acc,
3851 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3853 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3854 def : ARMV5TEPat<(add GPR:$acc,
3855 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3856 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3859 // Pre-v7 uses MCR for synchronization barriers.
3860 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
3861 Requires<[IsARM, HasV6]>;
3864 //===----------------------------------------------------------------------===//
3868 include "ARMInstrThumb.td"
3870 //===----------------------------------------------------------------------===//
3874 include "ARMInstrThumb2.td"
3876 //===----------------------------------------------------------------------===//
3877 // Floating Point Support
3880 include "ARMInstrVFP.td"
3882 //===----------------------------------------------------------------------===//
3883 // Advanced SIMD (NEON) Support
3886 include "ARMInstrNEON.td"