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 def ShifterAsmOperand : AsmOperandClass {
385 let Name = "Shifter";
386 let SuperClasses = [];
389 // shift_imm: An integer that encodes a shift amount and the type of shift
390 // (currently either asr or lsl) using the same encoding used for the
391 // immediates in so_reg operands.
392 def shift_imm : Operand<i32> {
393 let PrintMethod = "printShiftImmOperand";
394 let ParserMatchClass = ShifterAsmOperand;
397 // shifter_operand operands: so_reg and so_imm.
398 def so_reg : Operand<i32>, // reg reg imm
399 ComplexPattern<i32, 3, "SelectShifterOperandReg",
400 [shl,srl,sra,rotr]> {
401 let EncoderMethod = "getSORegOpValue";
402 let PrintMethod = "printSORegOperand";
403 let MIOperandInfo = (ops GPR, GPR, shift_imm);
405 def shift_so_reg : Operand<i32>, // reg reg imm
406 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
407 [shl,srl,sra,rotr]> {
408 let EncoderMethod = "getSORegOpValue";
409 let PrintMethod = "printSORegOperand";
410 let MIOperandInfo = (ops GPR, GPR, shift_imm);
413 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
414 // 8-bit immediate rotated by an arbitrary number of bits.
415 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
416 let EncoderMethod = "getSOImmOpValue";
417 let PrintMethod = "printSOImmOperand";
420 // Break so_imm's up into two pieces. This handles immediates with up to 16
421 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
422 // get the first/second pieces.
423 def so_imm2part : PatLeaf<(imm), [{
424 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
427 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
429 def arm_i32imm : PatLeaf<(imm), [{
430 if (Subtarget->hasV6T2Ops())
432 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
435 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
436 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
437 return (int32_t)N->getZExtValue() < 32;
440 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
441 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
442 return (int32_t)N->getZExtValue() < 32;
444 let EncoderMethod = "getImmMinusOneOpValue";
447 // i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
448 // The imm is split into imm{15-12}, imm{11-0}
450 def i32imm_hilo16 : Operand<i32> {
451 let EncoderMethod = "getHiLo16ImmOpValue";
454 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
456 def bf_inv_mask_imm : Operand<i32>,
458 return ARM::isBitFieldInvertedMask(N->getZExtValue());
460 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
461 let PrintMethod = "printBitfieldInvMaskImmOperand";
464 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
465 def lsb_pos_imm : Operand<i32>, PatLeaf<(imm), [{
466 return isInt<5>(N->getSExtValue());
469 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
470 def width_imm : Operand<i32>, PatLeaf<(imm), [{
471 return N->getSExtValue() > 0 && N->getSExtValue() <= 32;
473 let EncoderMethod = "getMsbOpValue";
476 // Define ARM specific addressing modes.
478 def MemMode2AsmOperand : AsmOperandClass {
479 let Name = "MemMode2";
480 let SuperClasses = [];
481 let ParserMethod = "tryParseMemMode2Operand";
484 def MemMode3AsmOperand : AsmOperandClass {
485 let Name = "MemMode3";
486 let SuperClasses = [];
487 let ParserMethod = "tryParseMemMode3Operand";
490 // addrmode_imm12 := reg +/- imm12
492 def addrmode_imm12 : Operand<i32>,
493 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
494 // 12-bit immediate operand. Note that instructions using this encode
495 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
496 // immediate values are as normal.
498 let EncoderMethod = "getAddrModeImm12OpValue";
499 let PrintMethod = "printAddrModeImm12Operand";
500 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
502 // ldst_so_reg := reg +/- reg shop imm
504 def ldst_so_reg : Operand<i32>,
505 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
506 let EncoderMethod = "getLdStSORegOpValue";
507 // FIXME: Simplify the printer
508 let PrintMethod = "printAddrMode2Operand";
509 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
512 // addrmode2 := reg +/- imm12
513 // := reg +/- reg shop imm
515 def addrmode2 : Operand<i32>,
516 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
517 let EncoderMethod = "getAddrMode2OpValue";
518 let PrintMethod = "printAddrMode2Operand";
519 let ParserMatchClass = MemMode2AsmOperand;
520 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
523 def am2offset : Operand<i32>,
524 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
525 [], [SDNPWantRoot]> {
526 let EncoderMethod = "getAddrMode2OffsetOpValue";
527 let PrintMethod = "printAddrMode2OffsetOperand";
528 let MIOperandInfo = (ops GPR, i32imm);
531 // addrmode3 := reg +/- reg
532 // addrmode3 := reg +/- imm8
534 def addrmode3 : Operand<i32>,
535 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
536 let EncoderMethod = "getAddrMode3OpValue";
537 let PrintMethod = "printAddrMode3Operand";
538 let ParserMatchClass = MemMode3AsmOperand;
539 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
542 def am3offset : Operand<i32>,
543 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
544 [], [SDNPWantRoot]> {
545 let EncoderMethod = "getAddrMode3OffsetOpValue";
546 let PrintMethod = "printAddrMode3OffsetOperand";
547 let MIOperandInfo = (ops GPR, i32imm);
550 // ldstm_mode := {ia, ib, da, db}
552 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
553 let EncoderMethod = "getLdStmModeOpValue";
554 let PrintMethod = "printLdStmModeOperand";
557 def MemMode5AsmOperand : AsmOperandClass {
558 let Name = "MemMode5";
559 let SuperClasses = [];
562 // addrmode5 := reg +/- imm8*4
564 def addrmode5 : Operand<i32>,
565 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
566 let PrintMethod = "printAddrMode5Operand";
567 let MIOperandInfo = (ops GPR:$base, i32imm);
568 let ParserMatchClass = MemMode5AsmOperand;
569 let EncoderMethod = "getAddrMode5OpValue";
572 // addrmode6 := reg with optional alignment
574 def addrmode6 : Operand<i32>,
575 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
576 let PrintMethod = "printAddrMode6Operand";
577 let MIOperandInfo = (ops GPR:$addr, i32imm);
578 let EncoderMethod = "getAddrMode6AddressOpValue";
581 def am6offset : Operand<i32>,
582 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
583 [], [SDNPWantRoot]> {
584 let PrintMethod = "printAddrMode6OffsetOperand";
585 let MIOperandInfo = (ops GPR);
586 let EncoderMethod = "getAddrMode6OffsetOpValue";
589 // Special version of addrmode6 to handle alignment encoding for VLD-dup
590 // instructions, specifically VLD4-dup.
591 def addrmode6dup : Operand<i32>,
592 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
593 let PrintMethod = "printAddrMode6Operand";
594 let MIOperandInfo = (ops GPR:$addr, i32imm);
595 let EncoderMethod = "getAddrMode6DupAddressOpValue";
598 // addrmodepc := pc + reg
600 def addrmodepc : Operand<i32>,
601 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
602 let PrintMethod = "printAddrModePCOperand";
603 let MIOperandInfo = (ops GPR, i32imm);
606 def MemMode7AsmOperand : AsmOperandClass {
607 let Name = "MemMode7";
608 let SuperClasses = [];
612 // Used by load/store exclusive instructions. Useful to enable right assembly
613 // parsing and printing. Not used for any codegen matching.
615 def addrmode7 : Operand<i32> {
616 let PrintMethod = "printAddrMode7Operand";
617 let MIOperandInfo = (ops GPR);
618 let ParserMatchClass = MemMode7AsmOperand;
621 def nohash_imm : Operand<i32> {
622 let PrintMethod = "printNoHashImmediate";
625 def CoprocNumAsmOperand : AsmOperandClass {
626 let Name = "CoprocNum";
627 let SuperClasses = [];
628 let ParserMethod = "tryParseCoprocNumOperand";
631 def CoprocRegAsmOperand : AsmOperandClass {
632 let Name = "CoprocReg";
633 let SuperClasses = [];
634 let ParserMethod = "tryParseCoprocRegOperand";
637 def p_imm : Operand<i32> {
638 let PrintMethod = "printPImmediate";
639 let ParserMatchClass = CoprocNumAsmOperand;
642 def c_imm : Operand<i32> {
643 let PrintMethod = "printCImmediate";
644 let ParserMatchClass = CoprocRegAsmOperand;
647 //===----------------------------------------------------------------------===//
649 include "ARMInstrFormats.td"
651 //===----------------------------------------------------------------------===//
652 // Multiclass helpers...
655 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
656 /// binop that produces a value.
657 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
658 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
659 PatFrag opnode, bit Commutable = 0> {
660 // The register-immediate version is re-materializable. This is useful
661 // in particular for taking the address of a local.
662 let isReMaterializable = 1 in {
663 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
664 iii, opc, "\t$Rd, $Rn, $imm",
665 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
670 let Inst{19-16} = Rn;
671 let Inst{15-12} = Rd;
672 let Inst{11-0} = imm;
675 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
676 iir, opc, "\t$Rd, $Rn, $Rm",
677 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
682 let isCommutable = Commutable;
683 let Inst{19-16} = Rn;
684 let Inst{15-12} = Rd;
685 let Inst{11-4} = 0b00000000;
688 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
689 iis, opc, "\t$Rd, $Rn, $shift",
690 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
695 let Inst{19-16} = Rn;
696 let Inst{15-12} = Rd;
697 let Inst{11-0} = shift;
701 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
702 /// instruction modifies the CPSR register.
703 let isCodeGenOnly = 1, Defs = [CPSR] in {
704 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
705 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
706 PatFrag opnode, bit Commutable = 0> {
707 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
708 iii, opc, "\t$Rd, $Rn, $imm",
709 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
715 let Inst{19-16} = Rn;
716 let Inst{15-12} = Rd;
717 let Inst{11-0} = imm;
719 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
720 iir, opc, "\t$Rd, $Rn, $Rm",
721 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
725 let isCommutable = Commutable;
728 let Inst{19-16} = Rn;
729 let Inst{15-12} = Rd;
730 let Inst{11-4} = 0b00000000;
733 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
734 iis, opc, "\t$Rd, $Rn, $shift",
735 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
741 let Inst{19-16} = Rn;
742 let Inst{15-12} = Rd;
743 let Inst{11-0} = shift;
748 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
749 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
750 /// a explicit result, only implicitly set CPSR.
751 let isCompare = 1, Defs = [CPSR] in {
752 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
753 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
754 PatFrag opnode, bit Commutable = 0> {
755 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
757 [(opnode GPR:$Rn, so_imm:$imm)]> {
762 let Inst{19-16} = Rn;
763 let Inst{15-12} = 0b0000;
764 let Inst{11-0} = imm;
766 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
768 [(opnode GPR:$Rn, GPR:$Rm)]> {
771 let isCommutable = Commutable;
774 let Inst{19-16} = Rn;
775 let Inst{15-12} = 0b0000;
776 let Inst{11-4} = 0b00000000;
779 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
780 opc, "\t$Rn, $shift",
781 [(opnode GPR:$Rn, so_reg:$shift)]> {
786 let Inst{19-16} = Rn;
787 let Inst{15-12} = 0b0000;
788 let Inst{11-0} = shift;
793 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
794 /// register and one whose operand is a register rotated by 8/16/24.
795 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
796 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
797 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
798 IIC_iEXTr, opc, "\t$Rd, $Rm",
799 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
800 Requires<[IsARM, HasV6]> {
803 let Inst{19-16} = 0b1111;
804 let Inst{15-12} = Rd;
805 let Inst{11-10} = 0b00;
808 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
809 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
810 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
811 Requires<[IsARM, HasV6]> {
815 let Inst{19-16} = 0b1111;
816 let Inst{15-12} = Rd;
817 let Inst{11-10} = rot;
822 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
823 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
824 IIC_iEXTr, opc, "\t$Rd, $Rm",
825 [/* For disassembly only; pattern left blank */]>,
826 Requires<[IsARM, HasV6]> {
827 let Inst{19-16} = 0b1111;
828 let Inst{11-10} = 0b00;
830 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
831 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
832 [/* For disassembly only; pattern left blank */]>,
833 Requires<[IsARM, HasV6]> {
835 let Inst{19-16} = 0b1111;
836 let Inst{11-10} = rot;
840 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
841 /// register and one whose operand is a register rotated by 8/16/24.
842 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
843 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
844 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
845 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
846 Requires<[IsARM, HasV6]> {
850 let Inst{19-16} = Rn;
851 let Inst{15-12} = Rd;
852 let Inst{11-10} = 0b00;
853 let Inst{9-4} = 0b000111;
856 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
858 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
859 [(set GPR:$Rd, (opnode GPR:$Rn,
860 (rotr GPR:$Rm, rot_imm:$rot)))]>,
861 Requires<[IsARM, HasV6]> {
866 let Inst{19-16} = Rn;
867 let Inst{15-12} = Rd;
868 let Inst{11-10} = rot;
869 let Inst{9-4} = 0b000111;
874 // For disassembly only.
875 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
876 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
877 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
878 [/* For disassembly only; pattern left blank */]>,
879 Requires<[IsARM, HasV6]> {
880 let Inst{11-10} = 0b00;
882 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
884 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
885 [/* For disassembly only; pattern left blank */]>,
886 Requires<[IsARM, HasV6]> {
889 let Inst{19-16} = Rn;
890 let Inst{11-10} = rot;
894 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
895 let Uses = [CPSR] in {
896 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
897 bit Commutable = 0> {
898 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
899 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
900 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
906 let Inst{15-12} = Rd;
907 let Inst{19-16} = Rn;
908 let Inst{11-0} = imm;
910 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
911 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
912 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
917 let Inst{11-4} = 0b00000000;
919 let isCommutable = Commutable;
921 let Inst{15-12} = Rd;
922 let Inst{19-16} = Rn;
924 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
925 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
926 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
932 let Inst{11-0} = shift;
933 let Inst{15-12} = Rd;
934 let Inst{19-16} = Rn;
937 // Carry setting variants
938 let isCodeGenOnly = 1, Defs = [CPSR] in {
939 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
940 bit Commutable = 0> {
941 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
942 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
943 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
948 let Inst{31-27} = 0b1110; // non-predicated
949 let Inst{15-12} = Rd;
950 let Inst{19-16} = Rn;
951 let Inst{11-0} = imm;
955 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
956 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
957 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
962 let Inst{31-27} = 0b1110; // non-predicated
963 let Inst{11-4} = 0b00000000;
964 let isCommutable = Commutable;
966 let Inst{15-12} = Rd;
967 let Inst{19-16} = Rn;
971 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
972 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
973 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
978 let Inst{31-27} = 0b1110; // non-predicated
979 let Inst{11-0} = shift;
980 let Inst{15-12} = Rd;
981 let Inst{19-16} = Rn;
989 let canFoldAsLoad = 1, isReMaterializable = 1 in {
990 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
991 InstrItinClass iir, PatFrag opnode> {
992 // Note: We use the complex addrmode_imm12 rather than just an input
993 // GPR and a constrained immediate so that we can use this to match
994 // frame index references and avoid matching constant pool references.
995 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
996 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
997 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1000 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1001 let Inst{19-16} = addr{16-13}; // Rn
1002 let Inst{15-12} = Rt;
1003 let Inst{11-0} = addr{11-0}; // imm12
1005 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1006 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1007 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1010 let shift{4} = 0; // Inst{4} = 0
1011 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1012 let Inst{19-16} = shift{16-13}; // Rn
1013 let Inst{15-12} = Rt;
1014 let Inst{11-0} = shift{11-0};
1019 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1020 InstrItinClass iir, PatFrag opnode> {
1021 // Note: We use the complex addrmode_imm12 rather than just an input
1022 // GPR and a constrained immediate so that we can use this to match
1023 // frame index references and avoid matching constant pool references.
1024 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1025 (ins GPR:$Rt, addrmode_imm12:$addr),
1026 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1027 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1030 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1031 let Inst{19-16} = addr{16-13}; // Rn
1032 let Inst{15-12} = Rt;
1033 let Inst{11-0} = addr{11-0}; // imm12
1035 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1036 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1037 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1040 let shift{4} = 0; // Inst{4} = 0
1041 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1042 let Inst{19-16} = shift{16-13}; // Rn
1043 let Inst{15-12} = Rt;
1044 let Inst{11-0} = shift{11-0};
1047 //===----------------------------------------------------------------------===//
1049 //===----------------------------------------------------------------------===//
1051 //===----------------------------------------------------------------------===//
1052 // Miscellaneous Instructions.
1055 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1056 /// the function. The first operand is the ID# for this instruction, the second
1057 /// is the index into the MachineConstantPool that this is, the third is the
1058 /// size in bytes of this constant pool entry.
1059 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1060 def CONSTPOOL_ENTRY :
1061 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1062 i32imm:$size), NoItinerary, []>;
1064 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1065 // from removing one half of the matched pairs. That breaks PEI, which assumes
1066 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1067 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1068 def ADJCALLSTACKUP :
1069 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1070 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1072 def ADJCALLSTACKDOWN :
1073 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1074 [(ARMcallseq_start timm:$amt)]>;
1077 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1078 [/* For disassembly only; pattern left blank */]>,
1079 Requires<[IsARM, HasV6T2]> {
1080 let Inst{27-16} = 0b001100100000;
1081 let Inst{15-8} = 0b11110000;
1082 let Inst{7-0} = 0b00000000;
1085 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
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} = 0b00000001;
1093 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1094 [/* For disassembly only; pattern left blank */]>,
1095 Requires<[IsARM, HasV6T2]> {
1096 let Inst{27-16} = 0b001100100000;
1097 let Inst{15-8} = 0b11110000;
1098 let Inst{7-0} = 0b00000010;
1101 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1102 [/* For disassembly only; pattern left blank */]>,
1103 Requires<[IsARM, HasV6T2]> {
1104 let Inst{27-16} = 0b001100100000;
1105 let Inst{15-8} = 0b11110000;
1106 let Inst{7-0} = 0b00000011;
1109 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1111 [/* For disassembly only; pattern left blank */]>,
1112 Requires<[IsARM, HasV6]> {
1117 let Inst{15-12} = Rd;
1118 let Inst{19-16} = Rn;
1119 let Inst{27-20} = 0b01101000;
1120 let Inst{7-4} = 0b1011;
1121 let Inst{11-8} = 0b1111;
1124 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1125 [/* For disassembly only; pattern left blank */]>,
1126 Requires<[IsARM, HasV6T2]> {
1127 let Inst{27-16} = 0b001100100000;
1128 let Inst{15-8} = 0b11110000;
1129 let Inst{7-0} = 0b00000100;
1132 // The i32imm operand $val can be used by a debugger to store more information
1133 // about the breakpoint.
1134 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1135 [/* For disassembly only; pattern left blank */]>,
1138 let Inst{3-0} = val{3-0};
1139 let Inst{19-8} = val{15-4};
1140 let Inst{27-20} = 0b00010010;
1141 let Inst{7-4} = 0b0111;
1144 // Change Processor State is a system instruction -- for disassembly and
1146 // FIXME: Since the asm parser has currently no clean way to handle optional
1147 // operands, create 3 versions of the same instruction. Once there's a clean
1148 // framework to represent optional operands, change this behavior.
1149 class CPS<dag iops, string asm_ops>
1150 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1151 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1157 let Inst{31-28} = 0b1111;
1158 let Inst{27-20} = 0b00010000;
1159 let Inst{19-18} = imod;
1160 let Inst{17} = M; // Enabled if mode is set;
1162 let Inst{8-6} = iflags;
1164 let Inst{4-0} = mode;
1168 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1169 "$imod\t$iflags, $mode">;
1170 let mode = 0, M = 0 in
1171 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1173 let imod = 0, iflags = 0, M = 1 in
1174 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1176 // Preload signals the memory system of possible future data/instruction access.
1177 // These are for disassembly only.
1178 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1180 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1181 !strconcat(opc, "\t$addr"),
1182 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1185 let Inst{31-26} = 0b111101;
1186 let Inst{25} = 0; // 0 for immediate form
1187 let Inst{24} = data;
1188 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1189 let Inst{22} = read;
1190 let Inst{21-20} = 0b01;
1191 let Inst{19-16} = addr{16-13}; // Rn
1192 let Inst{15-12} = 0b1111;
1193 let Inst{11-0} = addr{11-0}; // imm12
1196 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1197 !strconcat(opc, "\t$shift"),
1198 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1200 let Inst{31-26} = 0b111101;
1201 let Inst{25} = 1; // 1 for register form
1202 let Inst{24} = data;
1203 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1204 let Inst{22} = read;
1205 let Inst{21-20} = 0b01;
1206 let Inst{19-16} = shift{16-13}; // Rn
1207 let Inst{15-12} = 0b1111;
1208 let Inst{11-0} = shift{11-0};
1212 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1213 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1214 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1216 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1218 [/* For disassembly only; pattern left blank */]>,
1221 let Inst{31-10} = 0b1111000100000001000000;
1226 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1227 [/* For disassembly only; pattern left blank */]>,
1228 Requires<[IsARM, HasV7]> {
1230 let Inst{27-4} = 0b001100100000111100001111;
1231 let Inst{3-0} = opt;
1234 // A5.4 Permanently UNDEFINED instructions.
1235 let isBarrier = 1, isTerminator = 1 in
1236 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1239 let Inst = 0xe7ffdefe;
1242 // Address computation and loads and stores in PIC mode.
1243 let isNotDuplicable = 1 in {
1244 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1245 Size4Bytes, IIC_iALUr,
1246 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1248 let AddedComplexity = 10 in {
1249 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1250 Size4Bytes, IIC_iLoad_r,
1251 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1253 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1254 Size4Bytes, IIC_iLoad_bh_r,
1255 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1257 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1258 Size4Bytes, IIC_iLoad_bh_r,
1259 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1261 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1262 Size4Bytes, IIC_iLoad_bh_r,
1263 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1265 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1266 Size4Bytes, IIC_iLoad_bh_r,
1267 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1269 let AddedComplexity = 10 in {
1270 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1271 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1273 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1274 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1275 addrmodepc:$addr)]>;
1277 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1278 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1280 } // isNotDuplicable = 1
1283 // LEApcrel - Load a pc-relative address into a register without offending the
1285 let neverHasSideEffects = 1, isReMaterializable = 1 in
1286 // The 'adr' mnemonic encodes differently if the label is before or after
1287 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1288 // know until then which form of the instruction will be used.
1289 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1290 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1293 let Inst{27-25} = 0b001;
1295 let Inst{19-16} = 0b1111;
1296 let Inst{15-12} = Rd;
1297 let Inst{11-0} = label;
1299 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1300 Size4Bytes, IIC_iALUi, []>;
1302 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1303 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1304 Size4Bytes, IIC_iALUi, []>;
1306 //===----------------------------------------------------------------------===//
1307 // Control Flow Instructions.
1310 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1312 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1313 "bx", "\tlr", [(ARMretflag)]>,
1314 Requires<[IsARM, HasV4T]> {
1315 let Inst{27-0} = 0b0001001011111111111100011110;
1319 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1320 "mov", "\tpc, lr", [(ARMretflag)]>,
1321 Requires<[IsARM, NoV4T]> {
1322 let Inst{27-0} = 0b0001101000001111000000001110;
1326 // Indirect branches
1327 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1329 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1330 [(brind GPR:$dst)]>,
1331 Requires<[IsARM, HasV4T]> {
1333 let Inst{31-4} = 0b1110000100101111111111110001;
1334 let Inst{3-0} = dst;
1338 // FIXME: We would really like to define this as a vanilla ARMPat like:
1339 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1340 // With that, however, we can't set isBranch, isTerminator, etc..
1341 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1342 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1343 Requires<[IsARM, NoV4T]>;
1346 // All calls clobber the non-callee saved registers. SP is marked as
1347 // a use to prevent stack-pointer assignments that appear immediately
1348 // before calls from potentially appearing dead.
1350 // On non-Darwin platforms R9 is callee-saved.
1351 // FIXME: Do we really need a non-predicated version? If so, it should
1352 // at least be a pseudo instruction expanding to the predicated version
1353 // at MC lowering time.
1354 Defs = [R0, R1, R2, R3, R12, LR,
1355 D0, D1, D2, D3, D4, D5, D6, D7,
1356 D16, D17, D18, D19, D20, D21, D22, D23,
1357 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1359 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1360 IIC_Br, "bl\t$func",
1361 [(ARMcall tglobaladdr:$func)]>,
1362 Requires<[IsARM, IsNotDarwin]> {
1363 let Inst{31-28} = 0b1110;
1365 let Inst{23-0} = func;
1368 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1369 IIC_Br, "bl", "\t$func",
1370 [(ARMcall_pred tglobaladdr:$func)]>,
1371 Requires<[IsARM, IsNotDarwin]> {
1373 let Inst{23-0} = func;
1377 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1378 IIC_Br, "blx\t$func",
1379 [(ARMcall GPR:$func)]>,
1380 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1382 let Inst{31-4} = 0b1110000100101111111111110011;
1383 let Inst{3-0} = func;
1386 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1387 IIC_Br, "blx", "\t$func",
1388 [(ARMcall_pred GPR:$func)]>,
1389 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1391 let Inst{27-4} = 0b000100101111111111110011;
1392 let Inst{3-0} = func;
1396 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1397 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1398 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1399 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1402 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1403 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1404 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1408 // On Darwin R9 is call-clobbered.
1409 // R7 is marked as a use to prevent frame-pointer assignments from being
1410 // moved above / below calls.
1411 Defs = [R0, R1, R2, R3, R9, R12, LR,
1412 D0, D1, D2, D3, D4, D5, D6, D7,
1413 D16, D17, D18, D19, D20, D21, D22, D23,
1414 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1415 Uses = [R7, SP] in {
1416 def BLr9 : ARMPseudoInst<(outs), (ins bltarget:$func, variable_ops),
1418 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
1420 def BLr9_pred : ARMPseudoInst<(outs),
1421 (ins bltarget:$func, pred:$p, variable_ops),
1423 [(ARMcall_pred tglobaladdr:$func)]>,
1424 Requires<[IsARM, IsDarwin]>;
1427 def BLXr9 : ARMPseudoInst<(outs), (ins GPR:$func, variable_ops),
1429 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]>;
1431 def BLXr9_pred: ARMPseudoInst<(outs), (ins GPR:$func, pred:$p, variable_ops),
1433 [(ARMcall_pred GPR:$func)]>,
1434 Requires<[IsARM, HasV5T, IsDarwin]>;
1437 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1438 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1439 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1440 Requires<[IsARM, HasV4T, IsDarwin]>;
1443 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1444 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1445 Requires<[IsARM, NoV4T, IsDarwin]>;
1450 // FIXME: The Thumb versions of these should live in ARMInstrThumb.td
1451 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1453 let Defs = [R0, R1, R2, R3, R9, R12,
1454 D0, D1, D2, D3, D4, D5, D6, D7,
1455 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1456 D27, D28, D29, D30, D31, PC],
1458 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1459 IIC_Br, []>, Requires<[IsDarwin]>;
1461 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1462 IIC_Br, []>, Requires<[IsDarwin]>;
1464 def TAILJMPd : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1466 []>, Requires<[IsARM, IsDarwin]>;
1468 def tTAILJMPd: tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1470 []>, Requires<[IsThumb, IsDarwin]>;
1472 def TAILJMPr : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1474 []>, Requires<[IsARM, IsDarwin]>;
1476 def tTAILJMPr : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1478 []>, Requires<[IsThumb, IsDarwin]>;
1481 // Non-Darwin versions (the difference is R9).
1482 let Defs = [R0, R1, R2, R3, R12,
1483 D0, D1, D2, D3, D4, D5, D6, D7,
1484 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1485 D27, D28, D29, D30, D31, PC],
1487 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1488 IIC_Br, []>, Requires<[IsNotDarwin]>;
1490 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1491 IIC_Br, []>, Requires<[IsNotDarwin]>;
1493 def TAILJMPdND : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1495 []>, Requires<[IsARM, IsNotDarwin]>;
1497 def tTAILJMPdND : tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1499 []>, Requires<[IsThumb, IsNotDarwin]>;
1501 def TAILJMPrND : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1503 []>, Requires<[IsARM, IsNotDarwin]>;
1504 def tTAILJMPrND : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1506 []>, Requires<[IsThumb, IsNotDarwin]>;
1510 let isBranch = 1, isTerminator = 1 in {
1511 // B is "predicable" since it's just a Bcc with an 'always' condition.
1512 let isBarrier = 1 in {
1513 let isPredicable = 1 in
1514 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1515 // should be sufficient.
1516 def B : ARMPseudoInst<(outs), (ins brtarget:$target), Size4Bytes, IIC_Br,
1519 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1520 def BR_JTr : ARMPseudoInst<(outs),
1521 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1522 SizeSpecial, IIC_Br,
1523 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1524 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1525 // into i12 and rs suffixed versions.
1526 def BR_JTm : ARMPseudoInst<(outs),
1527 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1528 SizeSpecial, IIC_Br,
1529 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1531 def BR_JTadd : ARMPseudoInst<(outs),
1532 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1533 SizeSpecial, IIC_Br,
1534 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1536 } // isNotDuplicable = 1, isIndirectBranch = 1
1539 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1540 // a two-value operand where a dag node expects two operands. :(
1541 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1542 IIC_Br, "b", "\t$target",
1543 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1545 let Inst{23-0} = target;
1549 // BLX (immediate) -- for disassembly only
1550 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1551 "blx\t$target", [/* pattern left blank */]>,
1552 Requires<[IsARM, HasV5T]> {
1553 let Inst{31-25} = 0b1111101;
1555 let Inst{23-0} = target{24-1};
1556 let Inst{24} = target{0};
1559 // Branch and Exchange Jazelle -- for disassembly only
1560 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1561 [/* For disassembly only; pattern left blank */]> {
1562 let Inst{23-20} = 0b0010;
1563 //let Inst{19-8} = 0xfff;
1564 let Inst{7-4} = 0b0010;
1567 // Secure Monitor Call is a system instruction -- for disassembly only
1568 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1569 [/* For disassembly only; pattern left blank */]> {
1571 let Inst{23-4} = 0b01100000000000000111;
1572 let Inst{3-0} = opt;
1575 // Supervisor Call (Software Interrupt) -- for disassembly only
1576 let isCall = 1, Uses = [SP] in {
1577 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1578 [/* For disassembly only; pattern left blank */]> {
1580 let Inst{23-0} = svc;
1583 def : MnemonicAlias<"swi", "svc">;
1585 // Store Return State is a system instruction -- for disassembly only
1586 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1587 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1588 NoItinerary, "srs${amode}\tsp!, $mode",
1589 [/* For disassembly only; pattern left blank */]> {
1590 let Inst{31-28} = 0b1111;
1591 let Inst{22-20} = 0b110; // W = 1
1594 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1595 NoItinerary, "srs${amode}\tsp, $mode",
1596 [/* For disassembly only; pattern left blank */]> {
1597 let Inst{31-28} = 0b1111;
1598 let Inst{22-20} = 0b100; // W = 0
1601 // Return From Exception is a system instruction -- for disassembly only
1602 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1603 NoItinerary, "rfe${amode}\t$base!",
1604 [/* For disassembly only; pattern left blank */]> {
1605 let Inst{31-28} = 0b1111;
1606 let Inst{22-20} = 0b011; // W = 1
1607 let Inst{15-0} = 0x0a00;
1610 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1611 NoItinerary, "rfe${amode}\t$base",
1612 [/* For disassembly only; pattern left blank */]> {
1613 let Inst{31-28} = 0b1111;
1614 let Inst{22-20} = 0b001; // W = 0
1615 let Inst{15-0} = 0x0a00;
1617 } // isCodeGenOnly = 1
1619 //===----------------------------------------------------------------------===//
1620 // Load / store Instructions.
1626 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1627 UnOpFrag<(load node:$Src)>>;
1628 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1629 UnOpFrag<(zextloadi8 node:$Src)>>;
1630 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1631 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1632 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1633 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1635 // Special LDR for loads from non-pc-relative constpools.
1636 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1637 isReMaterializable = 1 in
1638 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1639 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1643 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1644 let Inst{19-16} = 0b1111;
1645 let Inst{15-12} = Rt;
1646 let Inst{11-0} = addr{11-0}; // imm12
1649 // Loads with zero extension
1650 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1651 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1652 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1654 // Loads with sign extension
1655 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1656 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1657 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1659 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1660 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1661 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1663 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1665 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1666 (ins addrmode3:$addr), LdMiscFrm,
1667 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1668 []>, Requires<[IsARM, HasV5TE]>;
1672 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1673 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1674 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1675 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1677 // {13} 1 == Rm, 0 == imm12
1681 let Inst{25} = addr{13};
1682 let Inst{23} = addr{12};
1683 let Inst{19-16} = addr{17-14};
1684 let Inst{11-0} = addr{11-0};
1685 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1687 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1688 (ins GPR:$Rn, am2offset:$offset),
1689 IndexModePost, LdFrm, itin,
1690 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1691 // {13} 1 == Rm, 0 == imm12
1696 let Inst{25} = offset{13};
1697 let Inst{23} = offset{12};
1698 let Inst{19-16} = Rn;
1699 let Inst{11-0} = offset{11-0};
1703 let mayLoad = 1, neverHasSideEffects = 1 in {
1704 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1705 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1708 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1709 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1710 (ins addrmode3:$addr), IndexModePre,
1712 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1714 let Inst{23} = addr{8}; // U bit
1715 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1716 let Inst{19-16} = addr{12-9}; // Rn
1717 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1718 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1720 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1721 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1723 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1726 let Inst{23} = offset{8}; // U bit
1727 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1728 let Inst{19-16} = Rn;
1729 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1730 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1734 let mayLoad = 1, neverHasSideEffects = 1 in {
1735 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1736 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1737 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1738 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1739 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1740 } // mayLoad = 1, neverHasSideEffects = 1
1742 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1743 let mayLoad = 1, neverHasSideEffects = 1 in {
1744 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1745 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1746 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1748 // {13} 1 == Rm, 0 == imm12
1752 let Inst{25} = addr{13};
1753 let Inst{23} = addr{12};
1754 let Inst{21} = 1; // overwrite
1755 let Inst{19-16} = addr{17-14};
1756 let Inst{11-0} = addr{11-0};
1757 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1759 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1760 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1761 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1763 // {13} 1 == Rm, 0 == imm12
1767 let Inst{25} = addr{13};
1768 let Inst{23} = addr{12};
1769 let Inst{21} = 1; // overwrite
1770 let Inst{19-16} = addr{17-14};
1771 let Inst{11-0} = addr{11-0};
1772 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1774 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1775 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1776 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1777 let Inst{21} = 1; // overwrite
1779 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1780 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1781 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1782 let Inst{21} = 1; // overwrite
1784 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1785 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1786 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1787 let Inst{21} = 1; // overwrite
1793 // Stores with truncate
1794 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1795 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1796 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1799 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1800 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1801 StMiscFrm, IIC_iStore_d_r,
1802 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
1805 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1806 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1807 IndexModePre, StFrm, IIC_iStore_ru,
1808 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1810 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1812 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1813 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1814 IndexModePost, StFrm, IIC_iStore_ru,
1815 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1817 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1819 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1820 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1821 IndexModePre, StFrm, IIC_iStore_bh_ru,
1822 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1823 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1824 GPR:$Rn, am2offset:$offset))]>;
1825 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1826 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1827 IndexModePost, StFrm, IIC_iStore_bh_ru,
1828 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1829 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1830 GPR:$Rn, am2offset:$offset))]>;
1832 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1833 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1834 IndexModePre, StMiscFrm, IIC_iStore_ru,
1835 "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1837 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1839 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1840 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1841 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1842 "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1843 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1844 GPR:$Rn, am3offset:$offset))]>;
1846 // For disassembly only
1847 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1848 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1849 StMiscFrm, IIC_iStore_d_ru,
1850 "strd", "\t$src1, $src2, [$base, $offset]!",
1851 "$base = $base_wb", []>;
1853 // For disassembly only
1854 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1855 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1856 StMiscFrm, IIC_iStore_d_ru,
1857 "strd", "\t$src1, $src2, [$base], $offset",
1858 "$base = $base_wb", []>;
1860 // STRT, STRBT, and STRHT are for disassembly only.
1862 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1863 IndexModePost, StFrm, IIC_iStore_ru,
1864 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1865 [/* For disassembly only; pattern left blank */]> {
1866 let Inst{21} = 1; // overwrite
1867 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1870 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1871 IndexModePost, StFrm, IIC_iStore_bh_ru,
1872 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1873 [/* For disassembly only; pattern left blank */]> {
1874 let Inst{21} = 1; // overwrite
1875 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1878 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
1879 StMiscFrm, IIC_iStore_bh_ru,
1880 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
1881 [/* For disassembly only; pattern left blank */]> {
1882 let Inst{21} = 1; // overwrite
1883 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
1886 //===----------------------------------------------------------------------===//
1887 // Load / store multiple Instructions.
1890 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1891 InstrItinClass itin, InstrItinClass itin_upd> {
1893 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1894 IndexModeNone, f, itin,
1895 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1896 let Inst{24-23} = 0b01; // Increment After
1897 let Inst{21} = 0; // No writeback
1898 let Inst{20} = L_bit;
1901 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1902 IndexModeUpd, f, itin_upd,
1903 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1904 let Inst{24-23} = 0b01; // Increment After
1905 let Inst{21} = 1; // Writeback
1906 let Inst{20} = L_bit;
1909 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1910 IndexModeNone, f, itin,
1911 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1912 let Inst{24-23} = 0b00; // Decrement After
1913 let Inst{21} = 0; // No writeback
1914 let Inst{20} = L_bit;
1917 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1918 IndexModeUpd, f, itin_upd,
1919 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1920 let Inst{24-23} = 0b00; // Decrement After
1921 let Inst{21} = 1; // Writeback
1922 let Inst{20} = L_bit;
1925 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1926 IndexModeNone, f, itin,
1927 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1928 let Inst{24-23} = 0b10; // Decrement Before
1929 let Inst{21} = 0; // No writeback
1930 let Inst{20} = L_bit;
1933 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1934 IndexModeUpd, f, itin_upd,
1935 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1936 let Inst{24-23} = 0b10; // Decrement Before
1937 let Inst{21} = 1; // Writeback
1938 let Inst{20} = L_bit;
1941 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1942 IndexModeNone, f, itin,
1943 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1944 let Inst{24-23} = 0b11; // Increment Before
1945 let Inst{21} = 0; // No writeback
1946 let Inst{20} = L_bit;
1949 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1950 IndexModeUpd, f, itin_upd,
1951 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1952 let Inst{24-23} = 0b11; // Increment Before
1953 let Inst{21} = 1; // Writeback
1954 let Inst{20} = L_bit;
1958 let neverHasSideEffects = 1 in {
1960 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1961 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1963 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1964 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1966 } // neverHasSideEffects
1968 // Load / Store Multiple Mnemonic Aliases
1969 def : MnemonicAlias<"ldm", "ldmia">;
1970 def : MnemonicAlias<"stm", "stmia">;
1972 // FIXME: remove when we have a way to marking a MI with these properties.
1973 // FIXME: Should pc be an implicit operand like PICADD, etc?
1974 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1975 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1976 def LDMIA_RET : ARMPseudoInst<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1977 reglist:$regs, variable_ops),
1978 Size4Bytes, IIC_iLoad_mBr, []>,
1979 RegConstraint<"$Rn = $wb">;
1981 //===----------------------------------------------------------------------===//
1982 // Move Instructions.
1985 let neverHasSideEffects = 1 in
1986 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1987 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1991 let Inst{19-16} = 0b0000;
1992 let Inst{11-4} = 0b00000000;
1995 let Inst{15-12} = Rd;
1998 // A version for the smaller set of tail call registers.
1999 let neverHasSideEffects = 1 in
2000 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2001 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2005 let Inst{11-4} = 0b00000000;
2008 let Inst{15-12} = Rd;
2011 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
2012 DPSoRegFrm, IIC_iMOVsr,
2013 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
2017 let Inst{15-12} = Rd;
2018 let Inst{19-16} = 0b0000;
2019 let Inst{11-0} = src;
2023 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2024 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2025 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2029 let Inst{15-12} = Rd;
2030 let Inst{19-16} = 0b0000;
2031 let Inst{11-0} = imm;
2034 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2035 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
2037 "movw", "\t$Rd, $imm",
2038 [(set GPR:$Rd, imm0_65535:$imm)]>,
2039 Requires<[IsARM, HasV6T2]>, UnaryDP {
2042 let Inst{15-12} = Rd;
2043 let Inst{11-0} = imm{11-0};
2044 let Inst{19-16} = imm{15-12};
2049 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2050 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2052 let Constraints = "$src = $Rd" in {
2053 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
2055 "movt", "\t$Rd, $imm",
2057 (or (and GPR:$src, 0xffff),
2058 lo16AllZero:$imm))]>, UnaryDP,
2059 Requires<[IsARM, HasV6T2]> {
2062 let Inst{15-12} = Rd;
2063 let Inst{11-0} = imm{11-0};
2064 let Inst{19-16} = imm{15-12};
2069 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2070 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2074 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2075 Requires<[IsARM, HasV6T2]>;
2077 let Uses = [CPSR] in
2078 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2079 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2082 // These aren't really mov instructions, but we have to define them this way
2083 // due to flag operands.
2085 let Defs = [CPSR] in {
2086 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2087 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2089 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2090 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2094 //===----------------------------------------------------------------------===//
2095 // Extend Instructions.
2100 defm SXTB : AI_ext_rrot<0b01101010,
2101 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2102 defm SXTH : AI_ext_rrot<0b01101011,
2103 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2105 defm SXTAB : AI_exta_rrot<0b01101010,
2106 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2107 defm SXTAH : AI_exta_rrot<0b01101011,
2108 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2110 // For disassembly only
2111 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2113 // For disassembly only
2114 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2118 let AddedComplexity = 16 in {
2119 defm UXTB : AI_ext_rrot<0b01101110,
2120 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2121 defm UXTH : AI_ext_rrot<0b01101111,
2122 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2123 defm UXTB16 : AI_ext_rrot<0b01101100,
2124 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2126 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2127 // The transformation should probably be done as a combiner action
2128 // instead so we can include a check for masking back in the upper
2129 // eight bits of the source into the lower eight bits of the result.
2130 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2131 // (UXTB16r_rot GPR:$Src, 24)>;
2132 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2133 (UXTB16r_rot GPR:$Src, 8)>;
2135 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2136 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2137 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2138 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2141 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2142 // For disassembly only
2143 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2146 def SBFX : I<(outs GPR:$Rd),
2147 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2148 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2149 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2150 Requires<[IsARM, HasV6T2]> {
2155 let Inst{27-21} = 0b0111101;
2156 let Inst{6-4} = 0b101;
2157 let Inst{20-16} = width;
2158 let Inst{15-12} = Rd;
2159 let Inst{11-7} = lsb;
2163 def UBFX : I<(outs GPR:$Rd),
2164 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2165 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2166 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2167 Requires<[IsARM, HasV6T2]> {
2172 let Inst{27-21} = 0b0111111;
2173 let Inst{6-4} = 0b101;
2174 let Inst{20-16} = width;
2175 let Inst{15-12} = Rd;
2176 let Inst{11-7} = lsb;
2180 //===----------------------------------------------------------------------===//
2181 // Arithmetic Instructions.
2184 defm ADD : AsI1_bin_irs<0b0100, "add",
2185 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2186 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2187 defm SUB : AsI1_bin_irs<0b0010, "sub",
2188 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2189 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2191 // ADD and SUB with 's' bit set.
2192 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2193 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2194 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2195 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2196 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2197 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2199 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2200 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2201 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2202 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2204 // ADC and SUBC with 's' bit set.
2205 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2206 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2207 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2208 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2210 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2211 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2212 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2217 let Inst{15-12} = Rd;
2218 let Inst{19-16} = Rn;
2219 let Inst{11-0} = imm;
2222 // The reg/reg form is only defined for the disassembler; for codegen it is
2223 // equivalent to SUBrr.
2224 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2225 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2226 [/* For disassembly only; pattern left blank */]> {
2230 let Inst{11-4} = 0b00000000;
2233 let Inst{15-12} = Rd;
2234 let Inst{19-16} = Rn;
2237 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2238 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2239 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2244 let Inst{11-0} = shift;
2245 let Inst{15-12} = Rd;
2246 let Inst{19-16} = Rn;
2249 // RSB with 's' bit set.
2250 let isCodeGenOnly = 1, Defs = [CPSR] in {
2251 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2252 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2253 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2259 let Inst{15-12} = Rd;
2260 let Inst{19-16} = Rn;
2261 let Inst{11-0} = imm;
2263 def RSBSrr : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2264 IIC_iALUr, "rsbs", "\t$Rd, $Rn, $Rm",
2265 [/* For disassembly only; pattern left blank */]> {
2269 let Inst{11-4} = 0b00000000;
2273 let Inst{15-12} = Rd;
2274 let Inst{19-16} = Rn;
2276 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2277 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2278 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2284 let Inst{11-0} = shift;
2285 let Inst{15-12} = Rd;
2286 let Inst{19-16} = Rn;
2290 let Uses = [CPSR] in {
2291 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2292 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2293 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2299 let Inst{15-12} = Rd;
2300 let Inst{19-16} = Rn;
2301 let Inst{11-0} = imm;
2303 // The reg/reg form is only defined for the disassembler; for codegen it is
2304 // equivalent to SUBrr.
2305 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2306 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2307 [/* For disassembly only; pattern left blank */]> {
2311 let Inst{11-4} = 0b00000000;
2314 let Inst{15-12} = Rd;
2315 let Inst{19-16} = Rn;
2317 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2318 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2319 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2325 let Inst{11-0} = shift;
2326 let Inst{15-12} = Rd;
2327 let Inst{19-16} = Rn;
2331 // FIXME: Allow these to be predicated.
2332 let isCodeGenOnly = 1, Defs = [CPSR], Uses = [CPSR] in {
2333 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2334 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2335 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2342 let Inst{15-12} = Rd;
2343 let Inst{19-16} = Rn;
2344 let Inst{11-0} = imm;
2346 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2347 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2348 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2355 let Inst{11-0} = shift;
2356 let Inst{15-12} = Rd;
2357 let Inst{19-16} = Rn;
2361 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2362 // The assume-no-carry-in form uses the negation of the input since add/sub
2363 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2364 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2366 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2367 (SUBri GPR:$src, so_imm_neg:$imm)>;
2368 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2369 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2370 // The with-carry-in form matches bitwise not instead of the negation.
2371 // Effectively, the inverse interpretation of the carry flag already accounts
2372 // for part of the negation.
2373 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2374 (SBCri GPR:$src, so_imm_not:$imm)>;
2376 // Note: These are implemented in C++ code, because they have to generate
2377 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2379 // (mul X, 2^n+1) -> (add (X << n), X)
2380 // (mul X, 2^n-1) -> (rsb X, (X << n))
2382 // ARM Arithmetic Instruction -- for disassembly only
2383 // GPR:$dst = GPR:$a op GPR:$b
2384 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2385 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2386 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2387 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2391 let Inst{27-20} = op27_20;
2392 let Inst{11-4} = op11_4;
2393 let Inst{19-16} = Rn;
2394 let Inst{15-12} = Rd;
2398 // Saturating add/subtract -- for disassembly only
2400 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2401 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2402 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2403 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2404 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2405 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2406 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2408 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2411 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2412 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2413 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2414 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2415 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2416 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2417 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2418 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2419 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2420 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2421 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2422 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2424 // Signed/Unsigned add/subtract -- for disassembly only
2426 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2427 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2428 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2429 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2430 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2431 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2432 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2433 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2434 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2435 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2436 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2437 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2439 // Signed/Unsigned halving add/subtract -- for disassembly only
2441 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2442 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2443 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2444 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2445 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2446 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2447 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2448 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2449 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2450 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2451 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2452 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2454 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2456 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2457 MulFrm /* for convenience */, NoItinerary, "usad8",
2458 "\t$Rd, $Rn, $Rm", []>,
2459 Requires<[IsARM, HasV6]> {
2463 let Inst{27-20} = 0b01111000;
2464 let Inst{15-12} = 0b1111;
2465 let Inst{7-4} = 0b0001;
2466 let Inst{19-16} = Rd;
2467 let Inst{11-8} = Rm;
2470 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2471 MulFrm /* for convenience */, NoItinerary, "usada8",
2472 "\t$Rd, $Rn, $Rm, $Ra", []>,
2473 Requires<[IsARM, HasV6]> {
2478 let Inst{27-20} = 0b01111000;
2479 let Inst{7-4} = 0b0001;
2480 let Inst{19-16} = Rd;
2481 let Inst{15-12} = Ra;
2482 let Inst{11-8} = Rm;
2486 // Signed/Unsigned saturate -- for disassembly only
2488 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2489 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2490 [/* For disassembly only; pattern left blank */]> {
2495 let Inst{27-21} = 0b0110101;
2496 let Inst{5-4} = 0b01;
2497 let Inst{20-16} = sat_imm;
2498 let Inst{15-12} = Rd;
2499 let Inst{11-7} = sh{7-3};
2500 let Inst{6} = sh{0};
2504 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2505 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2506 [/* For disassembly only; pattern left blank */]> {
2510 let Inst{27-20} = 0b01101010;
2511 let Inst{11-4} = 0b11110011;
2512 let Inst{15-12} = Rd;
2513 let Inst{19-16} = sat_imm;
2517 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2518 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2519 [/* For disassembly only; pattern left blank */]> {
2524 let Inst{27-21} = 0b0110111;
2525 let Inst{5-4} = 0b01;
2526 let Inst{15-12} = Rd;
2527 let Inst{11-7} = sh{7-3};
2528 let Inst{6} = sh{0};
2529 let Inst{20-16} = sat_imm;
2533 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2534 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2535 [/* For disassembly only; pattern left blank */]> {
2539 let Inst{27-20} = 0b01101110;
2540 let Inst{11-4} = 0b11110011;
2541 let Inst{15-12} = Rd;
2542 let Inst{19-16} = sat_imm;
2546 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2547 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2549 //===----------------------------------------------------------------------===//
2550 // Bitwise Instructions.
2553 defm AND : AsI1_bin_irs<0b0000, "and",
2554 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2555 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2556 defm ORR : AsI1_bin_irs<0b1100, "orr",
2557 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2558 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2559 defm EOR : AsI1_bin_irs<0b0001, "eor",
2560 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2561 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2562 defm BIC : AsI1_bin_irs<0b1110, "bic",
2563 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2564 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2566 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2567 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2568 "bfc", "\t$Rd, $imm", "$src = $Rd",
2569 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2570 Requires<[IsARM, HasV6T2]> {
2573 let Inst{27-21} = 0b0111110;
2574 let Inst{6-0} = 0b0011111;
2575 let Inst{15-12} = Rd;
2576 let Inst{11-7} = imm{4-0}; // lsb
2577 let Inst{20-16} = imm{9-5}; // width
2580 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2581 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2582 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2583 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2584 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2585 bf_inv_mask_imm:$imm))]>,
2586 Requires<[IsARM, HasV6T2]> {
2590 let Inst{27-21} = 0b0111110;
2591 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2592 let Inst{15-12} = Rd;
2593 let Inst{11-7} = imm{4-0}; // lsb
2594 let Inst{20-16} = imm{9-5}; // width
2598 // GNU as only supports this form of bfi (w/ 4 arguments)
2599 let isAsmParserOnly = 1 in
2600 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2601 lsb_pos_imm:$lsb, width_imm:$width),
2602 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2603 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2604 []>, Requires<[IsARM, HasV6T2]> {
2609 let Inst{27-21} = 0b0111110;
2610 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2611 let Inst{15-12} = Rd;
2612 let Inst{11-7} = lsb;
2613 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2617 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2618 "mvn", "\t$Rd, $Rm",
2619 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2623 let Inst{19-16} = 0b0000;
2624 let Inst{11-4} = 0b00000000;
2625 let Inst{15-12} = Rd;
2628 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2629 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2630 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2634 let Inst{19-16} = 0b0000;
2635 let Inst{15-12} = Rd;
2636 let Inst{11-0} = shift;
2638 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2639 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2640 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2641 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2645 let Inst{19-16} = 0b0000;
2646 let Inst{15-12} = Rd;
2647 let Inst{11-0} = imm;
2650 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2651 (BICri GPR:$src, so_imm_not:$imm)>;
2653 //===----------------------------------------------------------------------===//
2654 // Multiply Instructions.
2656 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2657 string opc, string asm, list<dag> pattern>
2658 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2662 let Inst{19-16} = Rd;
2663 let Inst{11-8} = Rm;
2666 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2667 string opc, string asm, list<dag> pattern>
2668 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2673 let Inst{19-16} = RdHi;
2674 let Inst{15-12} = RdLo;
2675 let Inst{11-8} = Rm;
2679 let isCommutable = 1 in {
2680 let Constraints = "@earlyclobber $Rd" in
2681 def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2682 pred:$p, cc_out:$s),
2683 Size4Bytes, IIC_iMUL32,
2684 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2685 Requires<[IsARM, NoV6]>;
2687 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2688 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2689 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2690 Requires<[IsARM, HasV6]>;
2693 let Constraints = "@earlyclobber $Rd" in
2694 def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
2695 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2696 Size4Bytes, IIC_iMAC32,
2697 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2698 Requires<[IsARM, NoV6]> {
2700 let Inst{15-12} = Ra;
2702 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2703 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2704 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2705 Requires<[IsARM, HasV6]> {
2707 let Inst{15-12} = Ra;
2710 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2711 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2712 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2713 Requires<[IsARM, HasV6T2]> {
2718 let Inst{19-16} = Rd;
2719 let Inst{15-12} = Ra;
2720 let Inst{11-8} = Rm;
2724 // Extra precision multiplies with low / high results
2726 let neverHasSideEffects = 1 in {
2727 let isCommutable = 1 in {
2728 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2729 def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2730 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2731 Size4Bytes, IIC_iMUL64, []>,
2732 Requires<[IsARM, NoV6]>;
2734 def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2735 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2736 Size4Bytes, IIC_iMUL64, []>,
2737 Requires<[IsARM, NoV6]>;
2740 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2741 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2742 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2743 Requires<[IsARM, HasV6]>;
2745 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2746 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2747 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2748 Requires<[IsARM, HasV6]>;
2751 // Multiply + accumulate
2752 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2753 def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2754 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2755 Size4Bytes, IIC_iMAC64, []>,
2756 Requires<[IsARM, NoV6]>;
2757 def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2758 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2759 Size4Bytes, IIC_iMAC64, []>,
2760 Requires<[IsARM, NoV6]>;
2761 def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2762 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2763 Size4Bytes, IIC_iMAC64, []>,
2764 Requires<[IsARM, NoV6]>;
2768 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2769 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2770 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2771 Requires<[IsARM, HasV6]>;
2772 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2773 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2774 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2775 Requires<[IsARM, HasV6]>;
2777 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2778 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2779 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2780 Requires<[IsARM, HasV6]> {
2785 let Inst{19-16} = RdLo;
2786 let Inst{15-12} = RdHi;
2787 let Inst{11-8} = Rm;
2790 } // neverHasSideEffects
2792 // Most significant word multiply
2793 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2794 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2795 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2796 Requires<[IsARM, HasV6]> {
2797 let Inst{15-12} = 0b1111;
2800 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2801 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2802 [/* For disassembly only; pattern left blank */]>,
2803 Requires<[IsARM, HasV6]> {
2804 let Inst{15-12} = 0b1111;
2807 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2808 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2809 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2810 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2811 Requires<[IsARM, HasV6]>;
2813 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2814 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2815 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2816 [/* For disassembly only; pattern left blank */]>,
2817 Requires<[IsARM, HasV6]>;
2819 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2820 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2821 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2822 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2823 Requires<[IsARM, HasV6]>;
2825 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2826 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2827 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2828 [/* For disassembly only; pattern left blank */]>,
2829 Requires<[IsARM, HasV6]>;
2831 multiclass AI_smul<string opc, PatFrag opnode> {
2832 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2833 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2834 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2835 (sext_inreg GPR:$Rm, i16)))]>,
2836 Requires<[IsARM, HasV5TE]>;
2838 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2839 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2840 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2841 (sra GPR:$Rm, (i32 16))))]>,
2842 Requires<[IsARM, HasV5TE]>;
2844 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2845 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2846 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2847 (sext_inreg GPR:$Rm, i16)))]>,
2848 Requires<[IsARM, HasV5TE]>;
2850 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2851 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2852 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2853 (sra GPR:$Rm, (i32 16))))]>,
2854 Requires<[IsARM, HasV5TE]>;
2856 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2857 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2858 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2859 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2860 Requires<[IsARM, HasV5TE]>;
2862 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2863 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2864 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2865 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2866 Requires<[IsARM, HasV5TE]>;
2870 multiclass AI_smla<string opc, PatFrag opnode> {
2871 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2872 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2873 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2874 [(set GPR:$Rd, (add GPR:$Ra,
2875 (opnode (sext_inreg GPR:$Rn, i16),
2876 (sext_inreg GPR:$Rm, i16))))]>,
2877 Requires<[IsARM, HasV5TE]>;
2879 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2880 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2881 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2882 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2883 (sra GPR:$Rm, (i32 16)))))]>,
2884 Requires<[IsARM, HasV5TE]>;
2886 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2887 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2888 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2889 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2890 (sext_inreg GPR:$Rm, i16))))]>,
2891 Requires<[IsARM, HasV5TE]>;
2893 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2894 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2895 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2896 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2897 (sra GPR:$Rm, (i32 16)))))]>,
2898 Requires<[IsARM, HasV5TE]>;
2900 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2901 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2902 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2903 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2904 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2905 Requires<[IsARM, HasV5TE]>;
2907 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2908 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2909 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2910 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2911 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2912 Requires<[IsARM, HasV5TE]>;
2915 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2916 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2918 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2919 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2920 (ins GPR:$Rn, GPR:$Rm),
2921 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2922 [/* For disassembly only; pattern left blank */]>,
2923 Requires<[IsARM, HasV5TE]>;
2925 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2926 (ins GPR:$Rn, GPR:$Rm),
2927 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2928 [/* For disassembly only; pattern left blank */]>,
2929 Requires<[IsARM, HasV5TE]>;
2931 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2932 (ins GPR:$Rn, GPR:$Rm),
2933 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2934 [/* For disassembly only; pattern left blank */]>,
2935 Requires<[IsARM, HasV5TE]>;
2937 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2938 (ins GPR:$Rn, GPR:$Rm),
2939 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2940 [/* For disassembly only; pattern left blank */]>,
2941 Requires<[IsARM, HasV5TE]>;
2943 // Helper class for AI_smld -- for disassembly only
2944 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2945 InstrItinClass itin, string opc, string asm>
2946 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2953 let Inst{21-20} = 0b00;
2954 let Inst{22} = long;
2955 let Inst{27-23} = 0b01110;
2956 let Inst{11-8} = Rm;
2959 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2960 InstrItinClass itin, string opc, string asm>
2961 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2963 let Inst{15-12} = 0b1111;
2964 let Inst{19-16} = Rd;
2966 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2967 InstrItinClass itin, string opc, string asm>
2968 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2970 let Inst{15-12} = Ra;
2972 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2973 InstrItinClass itin, string opc, string asm>
2974 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2977 let Inst{19-16} = RdHi;
2978 let Inst{15-12} = RdLo;
2981 multiclass AI_smld<bit sub, string opc> {
2983 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2984 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2986 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2987 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2989 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2990 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2991 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2993 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2994 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2995 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2999 defm SMLA : AI_smld<0, "smla">;
3000 defm SMLS : AI_smld<1, "smls">;
3002 multiclass AI_sdml<bit sub, string opc> {
3004 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3005 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3006 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3007 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3010 defm SMUA : AI_sdml<0, "smua">;
3011 defm SMUS : AI_sdml<1, "smus">;
3013 //===----------------------------------------------------------------------===//
3014 // Misc. Arithmetic Instructions.
3017 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3018 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3019 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3021 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3022 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3023 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3024 Requires<[IsARM, HasV6T2]>;
3026 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3027 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3028 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3030 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3031 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3033 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
3034 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
3035 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
3036 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
3037 Requires<[IsARM, HasV6]>;
3039 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3040 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3043 (or (srl GPR:$Rm, (i32 8)),
3044 (shl GPR:$Rm, (i32 8))), i16))]>,
3045 Requires<[IsARM, HasV6]>;
3047 def : ARMV6Pat<(sext_inreg (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
3048 (shl GPR:$Rm, (i32 8))), i16),
3051 // Need the AddedComplexity or else MOVs + REV would be chosen.
3052 let AddedComplexity = 5 in
3053 def : ARMV6Pat<(sra (bswap GPR:$Rm), (i32 16)), (REVSH GPR:$Rm)>;
3055 def lsl_shift_imm : SDNodeXForm<imm, [{
3056 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
3057 return CurDAG->getTargetConstant(Sh, MVT::i32);
3060 def lsl_amt : PatLeaf<(i32 imm), [{
3061 return (N->getZExtValue() < 32);
3064 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3065 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3066 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3067 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3068 (and (shl GPR:$Rm, lsl_amt:$sh),
3070 Requires<[IsARM, HasV6]>;
3072 // Alternate cases for PKHBT where identities eliminate some nodes.
3073 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3074 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3075 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3076 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
3078 def asr_shift_imm : SDNodeXForm<imm, [{
3079 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
3080 return CurDAG->getTargetConstant(Sh, MVT::i32);
3083 def asr_amt : PatLeaf<(i32 imm), [{
3084 return (N->getZExtValue() <= 32);
3087 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3088 // will match the pattern below.
3089 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3090 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3091 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3092 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3093 (and (sra GPR:$Rm, asr_amt:$sh),
3095 Requires<[IsARM, HasV6]>;
3097 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3098 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3099 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3100 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
3101 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3102 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3103 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
3105 //===----------------------------------------------------------------------===//
3106 // Comparison Instructions...
3109 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3110 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3111 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3113 // ARMcmpZ can re-use the above instruction definitions.
3114 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3115 (CMPri GPR:$src, so_imm:$imm)>;
3116 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3117 (CMPrr GPR:$src, GPR:$rhs)>;
3118 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3119 (CMPrs GPR:$src, so_reg:$rhs)>;
3121 // FIXME: We have to be careful when using the CMN instruction and comparison
3122 // with 0. One would expect these two pieces of code should give identical
3138 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3139 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3140 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3141 // value of r0 and the carry bit (because the "carry bit" parameter to
3142 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3143 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3144 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3145 // parameter to AddWithCarry is defined as 0).
3147 // When x is 0 and unsigned:
3151 // ~x + 1 = 0x1 0000 0000
3152 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3154 // Therefore, we should disable CMN when comparing against zero, until we can
3155 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3156 // when it's a comparison which doesn't look at the 'carry' flag).
3158 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3160 // This is related to <rdar://problem/7569620>.
3162 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3163 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3165 // Note that TST/TEQ don't set all the same flags that CMP does!
3166 defm TST : AI1_cmp_irs<0b1000, "tst",
3167 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3168 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3169 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3170 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3171 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3173 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3174 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3175 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3177 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3178 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3180 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3181 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3183 // Pseudo i64 compares for some floating point compares.
3184 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3186 def BCCi64 : PseudoInst<(outs),
3187 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3189 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3191 def BCCZi64 : PseudoInst<(outs),
3192 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3193 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3194 } // usesCustomInserter
3197 // Conditional moves
3198 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3199 // a two-value operand where a dag node expects two operands. :(
3200 let neverHasSideEffects = 1 in {
3201 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3202 Size4Bytes, IIC_iCMOVr,
3203 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3204 RegConstraint<"$false = $Rd">;
3205 def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
3206 (ins GPR:$false, so_reg:$shift, pred:$p),
3207 Size4Bytes, IIC_iCMOVsr,
3208 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3209 RegConstraint<"$false = $Rd">;
3211 let isMoveImm = 1 in
3212 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3213 (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
3214 Size4Bytes, IIC_iMOVi,
3216 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3218 let isMoveImm = 1 in
3219 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3220 (ins GPR:$false, so_imm:$imm, pred:$p),
3221 Size4Bytes, IIC_iCMOVi,
3222 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3223 RegConstraint<"$false = $Rd">;
3225 // Two instruction predicate mov immediate.
3226 let isMoveImm = 1 in
3227 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3228 (ins GPR:$false, i32imm:$src, pred:$p),
3229 Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3231 let isMoveImm = 1 in
3232 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3233 (ins GPR:$false, so_imm:$imm, pred:$p),
3234 Size4Bytes, IIC_iCMOVi,
3235 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3236 RegConstraint<"$false = $Rd">;
3237 } // neverHasSideEffects
3239 //===----------------------------------------------------------------------===//
3240 // Atomic operations intrinsics
3243 def memb_opt : Operand<i32> {
3244 let PrintMethod = "printMemBOption";
3245 let ParserMatchClass = MemBarrierOptOperand;
3248 // memory barriers protect the atomic sequences
3249 let hasSideEffects = 1 in {
3250 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3251 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3252 Requires<[IsARM, HasDB]> {
3254 let Inst{31-4} = 0xf57ff05;
3255 let Inst{3-0} = opt;
3259 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3261 [/* For disassembly only; pattern left blank */]>,
3262 Requires<[IsARM, HasDB]> {
3264 let Inst{31-4} = 0xf57ff04;
3265 let Inst{3-0} = opt;
3268 // ISB has only full system option -- for disassembly only
3269 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3270 Requires<[IsARM, HasDB]> {
3271 let Inst{31-4} = 0xf57ff06;
3272 let Inst{3-0} = 0b1111;
3275 let usesCustomInserter = 1 in {
3276 let Uses = [CPSR] in {
3277 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3278 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3279 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3280 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3281 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3282 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3283 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3284 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3285 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3286 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3287 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3288 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3289 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3290 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3291 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3292 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3293 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3294 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3295 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3296 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3297 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3298 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3299 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3300 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3301 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3302 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3303 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3304 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3305 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3306 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3307 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3308 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3309 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3310 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3311 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3312 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3313 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3314 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3315 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3316 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3317 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3318 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3319 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3320 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3321 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3322 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3323 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3324 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3325 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3326 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3327 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3328 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3329 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3330 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3332 def ATOMIC_SWAP_I8 : PseudoInst<
3333 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3334 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3335 def ATOMIC_SWAP_I16 : PseudoInst<
3336 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3337 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3338 def ATOMIC_SWAP_I32 : PseudoInst<
3339 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3340 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3342 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3343 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3344 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3345 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3346 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3347 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3348 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3349 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3350 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3354 let mayLoad = 1 in {
3355 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3356 "ldrexb", "\t$Rt, $addr", []>;
3357 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3358 "ldrexh", "\t$Rt, $addr", []>;
3359 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3360 "ldrex", "\t$Rt, $addr", []>;
3361 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3362 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3365 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3366 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3367 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3368 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3369 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3370 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3371 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3372 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3373 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3374 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3377 // Clear-Exclusive is for disassembly only.
3378 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3379 [/* For disassembly only; pattern left blank */]>,
3380 Requires<[IsARM, HasV7]> {
3381 let Inst{31-0} = 0b11110101011111111111000000011111;
3384 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3385 let mayLoad = 1 in {
3386 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3387 [/* For disassembly only; pattern left blank */]>;
3388 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3389 [/* For disassembly only; pattern left blank */]>;
3392 //===----------------------------------------------------------------------===//
3393 // Coprocessor Instructions.
3396 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3397 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3398 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3399 [/* For disassembly only; pattern left blank */]> {
3407 let Inst{3-0} = CRm;
3409 let Inst{7-5} = opc2;
3410 let Inst{11-8} = cop;
3411 let Inst{15-12} = CRd;
3412 let Inst{19-16} = CRn;
3413 let Inst{23-20} = opc1;
3416 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3417 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3418 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3419 [/* For disassembly only; pattern left blank */]> {
3420 let Inst{31-28} = 0b1111;
3428 let Inst{3-0} = CRm;
3430 let Inst{7-5} = opc2;
3431 let Inst{11-8} = cop;
3432 let Inst{15-12} = CRd;
3433 let Inst{19-16} = CRn;
3434 let Inst{23-20} = opc1;
3437 class ACI<dag oops, dag iops, string opc, string asm,
3438 IndexMode im = IndexModeNone>
3439 : InoP<oops, iops, AddrModeNone, Size4Bytes, im, BrFrm, NoItinerary,
3440 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3441 let Inst{27-25} = 0b110;
3444 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3446 def _OFFSET : ACI<(outs),
3447 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3448 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3449 let Inst{31-28} = op31_28;
3450 let Inst{24} = 1; // P = 1
3451 let Inst{21} = 0; // W = 0
3452 let Inst{22} = 0; // D = 0
3453 let Inst{20} = load;
3456 def _PRE : ACI<(outs),
3457 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3458 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3459 let Inst{31-28} = op31_28;
3460 let Inst{24} = 1; // P = 1
3461 let Inst{21} = 1; // W = 1
3462 let Inst{22} = 0; // D = 0
3463 let Inst{20} = load;
3466 def _POST : ACI<(outs),
3467 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3468 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3469 let Inst{31-28} = op31_28;
3470 let Inst{24} = 0; // P = 0
3471 let Inst{21} = 1; // W = 1
3472 let Inst{22} = 0; // D = 0
3473 let Inst{20} = load;
3476 def _OPTION : ACI<(outs),
3477 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3479 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3480 let Inst{31-28} = op31_28;
3481 let Inst{24} = 0; // P = 0
3482 let Inst{23} = 1; // U = 1
3483 let Inst{21} = 0; // W = 0
3484 let Inst{22} = 0; // D = 0
3485 let Inst{20} = load;
3488 def L_OFFSET : ACI<(outs),
3489 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3490 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3491 let Inst{31-28} = op31_28;
3492 let Inst{24} = 1; // P = 1
3493 let Inst{21} = 0; // W = 0
3494 let Inst{22} = 1; // D = 1
3495 let Inst{20} = load;
3498 def L_PRE : ACI<(outs),
3499 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3500 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3502 let Inst{31-28} = op31_28;
3503 let Inst{24} = 1; // P = 1
3504 let Inst{21} = 1; // W = 1
3505 let Inst{22} = 1; // D = 1
3506 let Inst{20} = load;
3509 def L_POST : ACI<(outs),
3510 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3511 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3513 let Inst{31-28} = op31_28;
3514 let Inst{24} = 0; // P = 0
3515 let Inst{21} = 1; // W = 1
3516 let Inst{22} = 1; // D = 1
3517 let Inst{20} = load;
3520 def L_OPTION : ACI<(outs),
3521 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3523 !strconcat(!strconcat(opc, "l"), cond),
3524 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3525 let Inst{31-28} = op31_28;
3526 let Inst{24} = 0; // P = 0
3527 let Inst{23} = 1; // U = 1
3528 let Inst{21} = 0; // W = 0
3529 let Inst{22} = 1; // D = 1
3530 let Inst{20} = load;
3534 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3535 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3536 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3537 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3539 //===----------------------------------------------------------------------===//
3540 // Move between coprocessor and ARM core register -- for disassembly only
3543 class MovRCopro<string opc, bit direction, dag oops, dag iops>
3544 : ABI<0b1110, oops, iops, NoItinerary, opc,
3545 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
3546 [/* For disassembly only; pattern left blank */]> {
3547 let Inst{20} = direction;
3557 let Inst{15-12} = Rt;
3558 let Inst{11-8} = cop;
3559 let Inst{23-21} = opc1;
3560 let Inst{7-5} = opc2;
3561 let Inst{3-0} = CRm;
3562 let Inst{19-16} = CRn;
3565 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3566 (outs), (ins p_imm:$cop, i32imm:$opc1,
3567 GPR:$Rt, c_imm:$CRn, c_imm:$CRm,
3569 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3570 (outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1,
3571 c_imm:$CRn, c_imm:$CRm, i32imm:$opc2)>;
3573 class MovRCopro2<string opc, bit direction, dag oops, dag iops>
3574 : ABXI<0b1110, oops, iops, NoItinerary,
3575 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
3576 [/* For disassembly only; pattern left blank */]> {
3577 let Inst{31-28} = 0b1111;
3578 let Inst{20} = direction;
3588 let Inst{15-12} = Rt;
3589 let Inst{11-8} = cop;
3590 let Inst{23-21} = opc1;
3591 let Inst{7-5} = opc2;
3592 let Inst{3-0} = CRm;
3593 let Inst{19-16} = CRn;
3596 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3597 (outs), (ins p_imm:$cop, i32imm:$opc1,
3598 GPR:$Rt, c_imm:$CRn, c_imm:$CRm,
3600 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3601 (outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1,
3602 c_imm:$CRn, c_imm:$CRm,
3605 class MovRRCopro<string opc, bit direction>
3606 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3607 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3608 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
3609 [/* For disassembly only; pattern left blank */]> {
3610 let Inst{23-21} = 0b010;
3611 let Inst{20} = direction;
3619 let Inst{15-12} = Rt;
3620 let Inst{19-16} = Rt2;
3621 let Inst{11-8} = cop;
3622 let Inst{7-4} = opc1;
3623 let Inst{3-0} = CRm;
3626 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */>;
3627 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3629 class MovRRCopro2<string opc, bit direction>
3630 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3631 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3632 NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"),
3633 [/* For disassembly only; pattern left blank */]> {
3634 let Inst{31-28} = 0b1111;
3635 let Inst{23-21} = 0b010;
3636 let Inst{20} = direction;
3644 let Inst{15-12} = Rt;
3645 let Inst{19-16} = Rt2;
3646 let Inst{11-8} = cop;
3647 let Inst{7-4} = opc1;
3648 let Inst{3-0} = CRm;
3651 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */>;
3652 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3654 //===----------------------------------------------------------------------===//
3655 // Move between special register and ARM core register -- for disassembly only
3658 // Move to ARM core register from Special Register
3659 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3660 [/* For disassembly only; pattern left blank */]> {
3662 let Inst{23-16} = 0b00001111;
3663 let Inst{15-12} = Rd;
3664 let Inst{7-4} = 0b0000;
3667 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3668 [/* For disassembly only; pattern left blank */]> {
3670 let Inst{23-16} = 0b01001111;
3671 let Inst{15-12} = Rd;
3672 let Inst{7-4} = 0b0000;
3675 // Move from ARM core register to Special Register
3677 // No need to have both system and application versions, the encodings are the
3678 // same and the assembly parser has no way to distinguish between them. The mask
3679 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3680 // the mask with the fields to be accessed in the special register.
3681 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3682 "msr", "\t$mask, $Rn",
3683 [/* For disassembly only; pattern left blank */]> {
3688 let Inst{22} = mask{4}; // R bit
3689 let Inst{21-20} = 0b10;
3690 let Inst{19-16} = mask{3-0};
3691 let Inst{15-12} = 0b1111;
3692 let Inst{11-4} = 0b00000000;
3696 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3697 "msr", "\t$mask, $a",
3698 [/* For disassembly only; pattern left blank */]> {
3703 let Inst{22} = mask{4}; // R bit
3704 let Inst{21-20} = 0b10;
3705 let Inst{19-16} = mask{3-0};
3706 let Inst{15-12} = 0b1111;
3710 //===----------------------------------------------------------------------===//
3714 // __aeabi_read_tp preserves the registers r1-r3.
3715 // This is a pseudo inst so that we can get the encoding right,
3716 // complete with fixup for the aeabi_read_tp function.
3718 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3719 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3720 [(set R0, ARMthread_pointer)]>;
3723 //===----------------------------------------------------------------------===//
3724 // SJLJ Exception handling intrinsics
3725 // eh_sjlj_setjmp() is an instruction sequence to store the return
3726 // address and save #0 in R0 for the non-longjmp case.
3727 // Since by its nature we may be coming from some other function to get
3728 // here, and we're using the stack frame for the containing function to
3729 // save/restore registers, we can't keep anything live in regs across
3730 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3731 // when we get here from a longjmp(). We force everthing out of registers
3732 // except for our own input by listing the relevant registers in Defs. By
3733 // doing so, we also cause the prologue/epilogue code to actively preserve
3734 // all of the callee-saved resgisters, which is exactly what we want.
3735 // A constant value is passed in $val, and we use the location as a scratch.
3737 // These are pseudo-instructions and are lowered to individual MC-insts, so
3738 // no encoding information is necessary.
3740 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3741 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3742 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3743 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3744 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3746 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3747 Requires<[IsARM, HasVFP2]>;
3751 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3752 hasSideEffects = 1, isBarrier = 1 in {
3753 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3755 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3756 Requires<[IsARM, NoVFP]>;
3759 // FIXME: Non-Darwin version(s)
3760 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3761 Defs = [ R7, LR, SP ] in {
3762 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3764 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3765 Requires<[IsARM, IsDarwin]>;
3768 // eh.sjlj.dispatchsetup pseudo-instruction.
3769 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3770 // handled when the pseudo is expanded (which happens before any passes
3771 // that need the instruction size).
3772 let isBarrier = 1, hasSideEffects = 1 in
3773 def Int_eh_sjlj_dispatchsetup :
3774 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3775 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3776 Requires<[IsDarwin]>;
3778 //===----------------------------------------------------------------------===//
3779 // Non-Instruction Patterns
3782 // Large immediate handling.
3784 // 32-bit immediate using two piece so_imms or movw + movt.
3785 // This is a single pseudo instruction, the benefit is that it can be remat'd
3786 // as a single unit instead of having to handle reg inputs.
3787 // FIXME: Remove this when we can do generalized remat.
3788 let isReMaterializable = 1, isMoveImm = 1 in
3789 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3790 [(set GPR:$dst, (arm_i32imm:$src))]>,
3793 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3794 // It also makes it possible to rematerialize the instructions.
3795 // FIXME: Remove this when we can do generalized remat and when machine licm
3796 // can properly the instructions.
3797 let isReMaterializable = 1 in {
3798 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3800 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3801 Requires<[IsARM, UseMovt]>;
3803 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3805 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3806 Requires<[IsARM, UseMovt]>;
3808 let AddedComplexity = 10 in
3809 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3811 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3812 Requires<[IsARM, UseMovt]>;
3813 } // isReMaterializable
3815 // ConstantPool, GlobalAddress, and JumpTable
3816 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3817 Requires<[IsARM, DontUseMovt]>;
3818 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3819 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3820 Requires<[IsARM, UseMovt]>;
3821 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3822 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3824 // TODO: add,sub,and, 3-instr forms?
3827 def : ARMPat<(ARMtcret tcGPR:$dst),
3828 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3830 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3831 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3833 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3834 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3836 def : ARMPat<(ARMtcret tcGPR:$dst),
3837 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3839 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3840 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3842 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3843 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3846 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3847 Requires<[IsARM, IsNotDarwin]>;
3848 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3849 Requires<[IsARM, IsDarwin]>;
3851 // zextload i1 -> zextload i8
3852 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3853 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3855 // extload -> zextload
3856 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3857 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3858 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3859 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3861 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3863 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3864 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3867 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3868 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3869 (SMULBB GPR:$a, GPR:$b)>;
3870 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3871 (SMULBB GPR:$a, GPR:$b)>;
3872 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3873 (sra GPR:$b, (i32 16))),
3874 (SMULBT GPR:$a, GPR:$b)>;
3875 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3876 (SMULBT GPR:$a, GPR:$b)>;
3877 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3878 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3879 (SMULTB GPR:$a, GPR:$b)>;
3880 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3881 (SMULTB GPR:$a, GPR:$b)>;
3882 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3884 (SMULWB GPR:$a, GPR:$b)>;
3885 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3886 (SMULWB GPR:$a, GPR:$b)>;
3888 def : ARMV5TEPat<(add GPR:$acc,
3889 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3890 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3891 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3892 def : ARMV5TEPat<(add GPR:$acc,
3893 (mul sext_16_node:$a, sext_16_node:$b)),
3894 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3895 def : ARMV5TEPat<(add GPR:$acc,
3896 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3897 (sra GPR:$b, (i32 16)))),
3898 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3899 def : ARMV5TEPat<(add GPR:$acc,
3900 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3901 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3902 def : ARMV5TEPat<(add GPR:$acc,
3903 (mul (sra GPR:$a, (i32 16)),
3904 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3905 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3906 def : ARMV5TEPat<(add GPR:$acc,
3907 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3908 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3909 def : ARMV5TEPat<(add GPR:$acc,
3910 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3912 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3913 def : ARMV5TEPat<(add GPR:$acc,
3914 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3915 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3918 // Pre-v7 uses MCR for synchronization barriers.
3919 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
3920 Requires<[IsARM, HasV6]>;
3923 //===----------------------------------------------------------------------===//
3927 include "ARMInstrThumb.td"
3929 //===----------------------------------------------------------------------===//
3933 include "ARMInstrThumb2.td"
3935 //===----------------------------------------------------------------------===//
3936 // Floating Point Support
3939 include "ARMInstrVFP.td"
3941 //===----------------------------------------------------------------------===//
3942 // Advanced SIMD (NEON) Support
3945 include "ARMInstrNEON.td"