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, 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 : ImmLeaf<i32, [{
207 return (int32_t)Imm >= 1 && (int32_t)Imm < 16;
210 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
211 def imm16_31 : ImmLeaf<i32, [{
212 return (int32_t)Imm >= 16 && (int32_t)Imm < 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:$a), [{
227 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
230 /// Split a 32-bit immediate into two 16 bit parts.
231 def hi16 : SDNodeXForm<imm, [{
232 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
235 def lo16AllZero : PatLeaf<(i32 imm), [{
236 // Returns true if all low 16-bits are 0.
237 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
240 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
242 def imm0_65535 : ImmLeaf<i32, [{
243 return Imm >= 0 && Imm < 65536;
246 class BinOpFrag<dag res> : PatFrag<(ops node:$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>, ImmLeaf<i32, [{
379 int32_t v = (int32_t)Imm;
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>, ImmLeaf<i32, [{
416 return ARM_AM::getSOImmVal(Imm) != -1;
418 let EncoderMethod = "getSOImmOpValue";
419 let PrintMethod = "printSOImmOperand";
422 // Break so_imm's up into two pieces. This handles immediates with up to 16
423 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
424 // get the first/second pieces.
425 def so_imm2part : PatLeaf<(imm), [{
426 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
429 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
431 def arm_i32imm : PatLeaf<(imm), [{
432 if (Subtarget->hasV6T2Ops())
434 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
437 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
438 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
439 return Imm >= 0 && Imm < 32;
442 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
443 def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
444 return Imm >= 0 && Imm < 32;
446 let EncoderMethod = "getImmMinusOneOpValue";
449 // i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
450 // The imm is split into imm{15-12}, imm{11-0}
452 def i32imm_hilo16 : Operand<i32> {
453 let EncoderMethod = "getHiLo16ImmOpValue";
456 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
458 def bf_inv_mask_imm : Operand<i32>,
460 return ARM::isBitFieldInvertedMask(N->getZExtValue());
462 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
463 let PrintMethod = "printBitfieldInvMaskImmOperand";
466 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
467 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
468 return isInt<5>(Imm);
471 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
472 def width_imm : Operand<i32>, ImmLeaf<i32, [{
473 return Imm > 0 && Imm <= 32;
475 let EncoderMethod = "getMsbOpValue";
478 // Define ARM specific addressing modes.
480 def MemMode2AsmOperand : AsmOperandClass {
481 let Name = "MemMode2";
482 let SuperClasses = [];
483 let ParserMethod = "tryParseMemMode2Operand";
486 def MemMode3AsmOperand : AsmOperandClass {
487 let Name = "MemMode3";
488 let SuperClasses = [];
489 let ParserMethod = "tryParseMemMode3Operand";
492 // addrmode_imm12 := reg +/- imm12
494 def addrmode_imm12 : Operand<i32>,
495 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
496 // 12-bit immediate operand. Note that instructions using this encode
497 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
498 // immediate values are as normal.
500 let EncoderMethod = "getAddrModeImm12OpValue";
501 let PrintMethod = "printAddrModeImm12Operand";
502 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
504 // ldst_so_reg := reg +/- reg shop imm
506 def ldst_so_reg : Operand<i32>,
507 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
508 let EncoderMethod = "getLdStSORegOpValue";
509 // FIXME: Simplify the printer
510 let PrintMethod = "printAddrMode2Operand";
511 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
514 // addrmode2 := reg +/- imm12
515 // := reg +/- reg shop imm
517 def addrmode2 : Operand<i32>,
518 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
519 let EncoderMethod = "getAddrMode2OpValue";
520 let PrintMethod = "printAddrMode2Operand";
521 let ParserMatchClass = MemMode2AsmOperand;
522 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
525 def am2offset : Operand<i32>,
526 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
527 [], [SDNPWantRoot]> {
528 let EncoderMethod = "getAddrMode2OffsetOpValue";
529 let PrintMethod = "printAddrMode2OffsetOperand";
530 let MIOperandInfo = (ops GPR, i32imm);
533 // addrmode3 := reg +/- reg
534 // addrmode3 := reg +/- imm8
536 def addrmode3 : Operand<i32>,
537 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
538 let EncoderMethod = "getAddrMode3OpValue";
539 let PrintMethod = "printAddrMode3Operand";
540 let ParserMatchClass = MemMode3AsmOperand;
541 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
544 def am3offset : Operand<i32>,
545 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
546 [], [SDNPWantRoot]> {
547 let EncoderMethod = "getAddrMode3OffsetOpValue";
548 let PrintMethod = "printAddrMode3OffsetOperand";
549 let MIOperandInfo = (ops GPR, i32imm);
552 // ldstm_mode := {ia, ib, da, db}
554 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
555 let EncoderMethod = "getLdStmModeOpValue";
556 let PrintMethod = "printLdStmModeOperand";
559 def MemMode5AsmOperand : AsmOperandClass {
560 let Name = "MemMode5";
561 let SuperClasses = [];
564 // addrmode5 := reg +/- imm8*4
566 def addrmode5 : Operand<i32>,
567 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
568 let PrintMethod = "printAddrMode5Operand";
569 let MIOperandInfo = (ops GPR:$base, i32imm);
570 let ParserMatchClass = MemMode5AsmOperand;
571 let EncoderMethod = "getAddrMode5OpValue";
574 // addrmode6 := reg with optional alignment
576 def addrmode6 : Operand<i32>,
577 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
578 let PrintMethod = "printAddrMode6Operand";
579 let MIOperandInfo = (ops GPR:$addr, i32imm);
580 let EncoderMethod = "getAddrMode6AddressOpValue";
583 def am6offset : Operand<i32>,
584 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
585 [], [SDNPWantRoot]> {
586 let PrintMethod = "printAddrMode6OffsetOperand";
587 let MIOperandInfo = (ops GPR);
588 let EncoderMethod = "getAddrMode6OffsetOpValue";
591 // Special version of addrmode6 to handle alignment encoding for VLD-dup
592 // instructions, specifically VLD4-dup.
593 def addrmode6dup : Operand<i32>,
594 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
595 let PrintMethod = "printAddrMode6Operand";
596 let MIOperandInfo = (ops GPR:$addr, i32imm);
597 let EncoderMethod = "getAddrMode6DupAddressOpValue";
600 // addrmodepc := pc + reg
602 def addrmodepc : Operand<i32>,
603 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
604 let PrintMethod = "printAddrModePCOperand";
605 let MIOperandInfo = (ops GPR, i32imm);
608 def MemMode7AsmOperand : AsmOperandClass {
609 let Name = "MemMode7";
610 let SuperClasses = [];
614 // Used by load/store exclusive instructions. Useful to enable right assembly
615 // parsing and printing. Not used for any codegen matching.
617 def addrmode7 : Operand<i32> {
618 let PrintMethod = "printAddrMode7Operand";
619 let MIOperandInfo = (ops GPR);
620 let ParserMatchClass = MemMode7AsmOperand;
623 def nohash_imm : Operand<i32> {
624 let PrintMethod = "printNoHashImmediate";
627 def CoprocNumAsmOperand : AsmOperandClass {
628 let Name = "CoprocNum";
629 let SuperClasses = [];
630 let ParserMethod = "tryParseCoprocNumOperand";
633 def CoprocRegAsmOperand : AsmOperandClass {
634 let Name = "CoprocReg";
635 let SuperClasses = [];
636 let ParserMethod = "tryParseCoprocRegOperand";
639 def p_imm : Operand<i32> {
640 let PrintMethod = "printPImmediate";
641 let ParserMatchClass = CoprocNumAsmOperand;
644 def c_imm : Operand<i32> {
645 let PrintMethod = "printCImmediate";
646 let ParserMatchClass = CoprocRegAsmOperand;
649 //===----------------------------------------------------------------------===//
651 include "ARMInstrFormats.td"
653 //===----------------------------------------------------------------------===//
654 // Multiclass helpers...
657 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
658 /// binop that produces a value.
659 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
660 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
661 PatFrag opnode, bit Commutable = 0> {
662 // The register-immediate version is re-materializable. This is useful
663 // in particular for taking the address of a local.
664 let isReMaterializable = 1 in {
665 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
666 iii, opc, "\t$Rd, $Rn, $imm",
667 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
672 let Inst{19-16} = Rn;
673 let Inst{15-12} = Rd;
674 let Inst{11-0} = imm;
677 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
678 iir, opc, "\t$Rd, $Rn, $Rm",
679 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
684 let isCommutable = Commutable;
685 let Inst{19-16} = Rn;
686 let Inst{15-12} = Rd;
687 let Inst{11-4} = 0b00000000;
690 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
691 iis, opc, "\t$Rd, $Rn, $shift",
692 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
697 let Inst{19-16} = Rn;
698 let Inst{15-12} = Rd;
699 let Inst{11-0} = shift;
703 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
704 /// instruction modifies the CPSR register.
705 let isCodeGenOnly = 1, Defs = [CPSR] in {
706 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
707 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
708 PatFrag opnode, bit Commutable = 0> {
709 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
710 iii, opc, "\t$Rd, $Rn, $imm",
711 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
717 let Inst{19-16} = Rn;
718 let Inst{15-12} = Rd;
719 let Inst{11-0} = imm;
721 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
722 iir, opc, "\t$Rd, $Rn, $Rm",
723 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
727 let isCommutable = Commutable;
730 let Inst{19-16} = Rn;
731 let Inst{15-12} = Rd;
732 let Inst{11-4} = 0b00000000;
735 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
736 iis, opc, "\t$Rd, $Rn, $shift",
737 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
743 let Inst{19-16} = Rn;
744 let Inst{15-12} = Rd;
745 let Inst{11-0} = shift;
750 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
751 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
752 /// a explicit result, only implicitly set CPSR.
753 let isCompare = 1, Defs = [CPSR] in {
754 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
755 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
756 PatFrag opnode, bit Commutable = 0> {
757 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
759 [(opnode GPR:$Rn, so_imm:$imm)]> {
764 let Inst{19-16} = Rn;
765 let Inst{15-12} = 0b0000;
766 let Inst{11-0} = imm;
768 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
770 [(opnode GPR:$Rn, GPR:$Rm)]> {
773 let isCommutable = Commutable;
776 let Inst{19-16} = Rn;
777 let Inst{15-12} = 0b0000;
778 let Inst{11-4} = 0b00000000;
781 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
782 opc, "\t$Rn, $shift",
783 [(opnode GPR:$Rn, so_reg:$shift)]> {
788 let Inst{19-16} = Rn;
789 let Inst{15-12} = 0b0000;
790 let Inst{11-0} = shift;
795 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
796 /// register and one whose operand is a register rotated by 8/16/24.
797 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
798 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
799 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
800 IIC_iEXTr, opc, "\t$Rd, $Rm",
801 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
802 Requires<[IsARM, HasV6]> {
805 let Inst{19-16} = 0b1111;
806 let Inst{15-12} = Rd;
807 let Inst{11-10} = 0b00;
810 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
811 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
812 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
813 Requires<[IsARM, HasV6]> {
817 let Inst{19-16} = 0b1111;
818 let Inst{15-12} = Rd;
819 let Inst{11-10} = rot;
824 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
825 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
826 IIC_iEXTr, opc, "\t$Rd, $Rm",
827 [/* For disassembly only; pattern left blank */]>,
828 Requires<[IsARM, HasV6]> {
829 let Inst{19-16} = 0b1111;
830 let Inst{11-10} = 0b00;
832 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
833 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
834 [/* For disassembly only; pattern left blank */]>,
835 Requires<[IsARM, HasV6]> {
837 let Inst{19-16} = 0b1111;
838 let Inst{11-10} = rot;
842 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
843 /// register and one whose operand is a register rotated by 8/16/24.
844 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
845 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
846 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
847 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
848 Requires<[IsARM, HasV6]> {
852 let Inst{19-16} = Rn;
853 let Inst{15-12} = Rd;
854 let Inst{11-10} = 0b00;
855 let Inst{9-4} = 0b000111;
858 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
860 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
861 [(set GPR:$Rd, (opnode GPR:$Rn,
862 (rotr GPR:$Rm, rot_imm:$rot)))]>,
863 Requires<[IsARM, HasV6]> {
868 let Inst{19-16} = Rn;
869 let Inst{15-12} = Rd;
870 let Inst{11-10} = rot;
871 let Inst{9-4} = 0b000111;
876 // For disassembly only.
877 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
878 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
879 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
880 [/* For disassembly only; pattern left blank */]>,
881 Requires<[IsARM, HasV6]> {
882 let Inst{11-10} = 0b00;
884 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
886 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
887 [/* For disassembly only; pattern left blank */]>,
888 Requires<[IsARM, HasV6]> {
891 let Inst{19-16} = Rn;
892 let Inst{11-10} = rot;
896 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
897 let Uses = [CPSR] in {
898 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
899 bit Commutable = 0> {
900 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
901 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
902 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
908 let Inst{15-12} = Rd;
909 let Inst{19-16} = Rn;
910 let Inst{11-0} = imm;
912 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
913 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
914 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
919 let Inst{11-4} = 0b00000000;
921 let isCommutable = Commutable;
923 let Inst{15-12} = Rd;
924 let Inst{19-16} = Rn;
926 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
927 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
928 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
934 let Inst{11-0} = shift;
935 let Inst{15-12} = Rd;
936 let Inst{19-16} = Rn;
941 // Carry setting variants
942 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
943 let usesCustomInserter = 1 in {
944 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
945 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
946 Size4Bytes, IIC_iALUi,
947 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
948 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
949 Size4Bytes, IIC_iALUr,
950 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
951 let isCommutable = Commutable;
953 def rs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
954 Size4Bytes, IIC_iALUsr,
955 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>;
959 let canFoldAsLoad = 1, isReMaterializable = 1 in {
960 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
961 InstrItinClass iir, PatFrag opnode> {
962 // Note: We use the complex addrmode_imm12 rather than just an input
963 // GPR and a constrained immediate so that we can use this to match
964 // frame index references and avoid matching constant pool references.
965 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
966 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
967 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
970 let Inst{23} = addr{12}; // U (add = ('U' == 1))
971 let Inst{19-16} = addr{16-13}; // Rn
972 let Inst{15-12} = Rt;
973 let Inst{11-0} = addr{11-0}; // imm12
975 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
976 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
977 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
980 let shift{4} = 0; // Inst{4} = 0
981 let Inst{23} = shift{12}; // U (add = ('U' == 1))
982 let Inst{19-16} = shift{16-13}; // Rn
983 let Inst{15-12} = Rt;
984 let Inst{11-0} = shift{11-0};
989 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
990 InstrItinClass iir, PatFrag opnode> {
991 // Note: We use the complex addrmode_imm12 rather than just an input
992 // GPR and a constrained immediate so that we can use this to match
993 // frame index references and avoid matching constant pool references.
994 def i12 : AI2ldst<0b010, 0, isByte, (outs),
995 (ins GPR:$Rt, addrmode_imm12:$addr),
996 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
997 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1000 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1001 let Inst{19-16} = addr{16-13}; // Rn
1002 let Inst{15-12} = Rt;
1003 let Inst{11-0} = addr{11-0}; // imm12
1005 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1006 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1007 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1010 let shift{4} = 0; // Inst{4} = 0
1011 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1012 let Inst{19-16} = shift{16-13}; // Rn
1013 let Inst{15-12} = Rt;
1014 let Inst{11-0} = shift{11-0};
1017 //===----------------------------------------------------------------------===//
1019 //===----------------------------------------------------------------------===//
1021 //===----------------------------------------------------------------------===//
1022 // Miscellaneous Instructions.
1025 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1026 /// the function. The first operand is the ID# for this instruction, the second
1027 /// is the index into the MachineConstantPool that this is, the third is the
1028 /// size in bytes of this constant pool entry.
1029 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1030 def CONSTPOOL_ENTRY :
1031 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1032 i32imm:$size), NoItinerary, []>;
1034 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1035 // from removing one half of the matched pairs. That breaks PEI, which assumes
1036 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1037 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1038 def ADJCALLSTACKUP :
1039 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1040 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1042 def ADJCALLSTACKDOWN :
1043 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1044 [(ARMcallseq_start timm:$amt)]>;
1047 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1048 [/* For disassembly only; pattern left blank */]>,
1049 Requires<[IsARM, HasV6T2]> {
1050 let Inst{27-16} = 0b001100100000;
1051 let Inst{15-8} = 0b11110000;
1052 let Inst{7-0} = 0b00000000;
1055 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1056 [/* For disassembly only; pattern left blank */]>,
1057 Requires<[IsARM, HasV6T2]> {
1058 let Inst{27-16} = 0b001100100000;
1059 let Inst{15-8} = 0b11110000;
1060 let Inst{7-0} = 0b00000001;
1063 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1064 [/* For disassembly only; pattern left blank */]>,
1065 Requires<[IsARM, HasV6T2]> {
1066 let Inst{27-16} = 0b001100100000;
1067 let Inst{15-8} = 0b11110000;
1068 let Inst{7-0} = 0b00000010;
1071 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1072 [/* For disassembly only; pattern left blank */]>,
1073 Requires<[IsARM, HasV6T2]> {
1074 let Inst{27-16} = 0b001100100000;
1075 let Inst{15-8} = 0b11110000;
1076 let Inst{7-0} = 0b00000011;
1079 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1081 [/* For disassembly only; pattern left blank */]>,
1082 Requires<[IsARM, HasV6]> {
1087 let Inst{15-12} = Rd;
1088 let Inst{19-16} = Rn;
1089 let Inst{27-20} = 0b01101000;
1090 let Inst{7-4} = 0b1011;
1091 let Inst{11-8} = 0b1111;
1094 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1095 [/* For disassembly only; pattern left blank */]>,
1096 Requires<[IsARM, HasV6T2]> {
1097 let Inst{27-16} = 0b001100100000;
1098 let Inst{15-8} = 0b11110000;
1099 let Inst{7-0} = 0b00000100;
1102 // The i32imm operand $val can be used by a debugger to store more information
1103 // about the breakpoint.
1104 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1105 [/* For disassembly only; pattern left blank */]>,
1108 let Inst{3-0} = val{3-0};
1109 let Inst{19-8} = val{15-4};
1110 let Inst{27-20} = 0b00010010;
1111 let Inst{7-4} = 0b0111;
1114 // Change Processor State is a system instruction -- for disassembly and
1116 // FIXME: Since the asm parser has currently no clean way to handle optional
1117 // operands, create 3 versions of the same instruction. Once there's a clean
1118 // framework to represent optional operands, change this behavior.
1119 class CPS<dag iops, string asm_ops>
1120 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1121 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1127 let Inst{31-28} = 0b1111;
1128 let Inst{27-20} = 0b00010000;
1129 let Inst{19-18} = imod;
1130 let Inst{17} = M; // Enabled if mode is set;
1132 let Inst{8-6} = iflags;
1134 let Inst{4-0} = mode;
1138 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1139 "$imod\t$iflags, $mode">;
1140 let mode = 0, M = 0 in
1141 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1143 let imod = 0, iflags = 0, M = 1 in
1144 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1146 // Preload signals the memory system of possible future data/instruction access.
1147 // These are for disassembly only.
1148 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1150 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1151 !strconcat(opc, "\t$addr"),
1152 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1155 let Inst{31-26} = 0b111101;
1156 let Inst{25} = 0; // 0 for immediate form
1157 let Inst{24} = data;
1158 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1159 let Inst{22} = read;
1160 let Inst{21-20} = 0b01;
1161 let Inst{19-16} = addr{16-13}; // Rn
1162 let Inst{15-12} = 0b1111;
1163 let Inst{11-0} = addr{11-0}; // imm12
1166 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1167 !strconcat(opc, "\t$shift"),
1168 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1170 let Inst{31-26} = 0b111101;
1171 let Inst{25} = 1; // 1 for register form
1172 let Inst{24} = data;
1173 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1174 let Inst{22} = read;
1175 let Inst{21-20} = 0b01;
1176 let Inst{19-16} = shift{16-13}; // Rn
1177 let Inst{15-12} = 0b1111;
1178 let Inst{11-0} = shift{11-0};
1182 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1183 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1184 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1186 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1188 [/* For disassembly only; pattern left blank */]>,
1191 let Inst{31-10} = 0b1111000100000001000000;
1196 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1197 [/* For disassembly only; pattern left blank */]>,
1198 Requires<[IsARM, HasV7]> {
1200 let Inst{27-4} = 0b001100100000111100001111;
1201 let Inst{3-0} = opt;
1204 // A5.4 Permanently UNDEFINED instructions.
1205 let isBarrier = 1, isTerminator = 1 in
1206 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1209 let Inst = 0xe7ffdefe;
1212 // Address computation and loads and stores in PIC mode.
1213 let isNotDuplicable = 1 in {
1214 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1215 Size4Bytes, IIC_iALUr,
1216 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1218 let AddedComplexity = 10 in {
1219 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1220 Size4Bytes, IIC_iLoad_r,
1221 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1223 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1224 Size4Bytes, IIC_iLoad_bh_r,
1225 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1227 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1228 Size4Bytes, IIC_iLoad_bh_r,
1229 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1231 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1232 Size4Bytes, IIC_iLoad_bh_r,
1233 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1235 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1236 Size4Bytes, IIC_iLoad_bh_r,
1237 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1239 let AddedComplexity = 10 in {
1240 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1241 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1243 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1244 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1245 addrmodepc:$addr)]>;
1247 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1248 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1250 } // isNotDuplicable = 1
1253 // LEApcrel - Load a pc-relative address into a register without offending the
1255 let neverHasSideEffects = 1, isReMaterializable = 1 in
1256 // The 'adr' mnemonic encodes differently if the label is before or after
1257 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1258 // know until then which form of the instruction will be used.
1259 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1260 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1263 let Inst{27-25} = 0b001;
1265 let Inst{19-16} = 0b1111;
1266 let Inst{15-12} = Rd;
1267 let Inst{11-0} = label;
1269 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1270 Size4Bytes, IIC_iALUi, []>;
1272 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1273 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1274 Size4Bytes, IIC_iALUi, []>;
1276 //===----------------------------------------------------------------------===//
1277 // Control Flow Instructions.
1280 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1282 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1283 "bx", "\tlr", [(ARMretflag)]>,
1284 Requires<[IsARM, HasV4T]> {
1285 let Inst{27-0} = 0b0001001011111111111100011110;
1289 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1290 "mov", "\tpc, lr", [(ARMretflag)]>,
1291 Requires<[IsARM, NoV4T]> {
1292 let Inst{27-0} = 0b0001101000001111000000001110;
1296 // Indirect branches
1297 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1299 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1300 [(brind GPR:$dst)]>,
1301 Requires<[IsARM, HasV4T]> {
1303 let Inst{31-4} = 0b1110000100101111111111110001;
1304 let Inst{3-0} = dst;
1308 // FIXME: We would really like to define this as a vanilla ARMPat like:
1309 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1310 // With that, however, we can't set isBranch, isTerminator, etc..
1311 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1312 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1313 Requires<[IsARM, NoV4T]>;
1316 // All calls clobber the non-callee saved registers. SP is marked as
1317 // a use to prevent stack-pointer assignments that appear immediately
1318 // before calls from potentially appearing dead.
1320 // On non-Darwin platforms R9 is callee-saved.
1321 // FIXME: Do we really need a non-predicated version? If so, it should
1322 // at least be a pseudo instruction expanding to the predicated version
1323 // at MC lowering time.
1324 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1326 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1327 IIC_Br, "bl\t$func",
1328 [(ARMcall tglobaladdr:$func)]>,
1329 Requires<[IsARM, IsNotDarwin]> {
1330 let Inst{31-28} = 0b1110;
1332 let Inst{23-0} = func;
1335 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1336 IIC_Br, "bl", "\t$func",
1337 [(ARMcall_pred tglobaladdr:$func)]>,
1338 Requires<[IsARM, IsNotDarwin]> {
1340 let Inst{23-0} = func;
1344 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1345 IIC_Br, "blx\t$func",
1346 [(ARMcall GPR:$func)]>,
1347 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1349 let Inst{31-4} = 0b1110000100101111111111110011;
1350 let Inst{3-0} = func;
1353 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1354 IIC_Br, "blx", "\t$func",
1355 [(ARMcall_pred GPR:$func)]>,
1356 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1358 let Inst{27-4} = 0b000100101111111111110011;
1359 let Inst{3-0} = func;
1363 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1364 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1365 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1366 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1369 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1370 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1371 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1375 // On Darwin R9 is call-clobbered.
1376 // R7 is marked as a use to prevent frame-pointer assignments from being
1377 // moved above / below calls.
1378 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1379 Uses = [R7, SP] in {
1380 def BLr9 : ARMPseudoInst<(outs), (ins bltarget:$func, variable_ops),
1382 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
1384 def BLr9_pred : ARMPseudoInst<(outs),
1385 (ins bltarget:$func, pred:$p, variable_ops),
1387 [(ARMcall_pred tglobaladdr:$func)]>,
1388 Requires<[IsARM, IsDarwin]>;
1391 def BLXr9 : ARMPseudoInst<(outs), (ins GPR:$func, variable_ops),
1393 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]>;
1395 def BLXr9_pred: ARMPseudoInst<(outs), (ins GPR:$func, pred:$p, variable_ops),
1397 [(ARMcall_pred GPR:$func)]>,
1398 Requires<[IsARM, HasV5T, IsDarwin]>;
1401 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1402 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1403 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1404 Requires<[IsARM, HasV4T, IsDarwin]>;
1407 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1408 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1409 Requires<[IsARM, NoV4T, IsDarwin]>;
1414 // FIXME: The Thumb versions of these should live in ARMInstrThumb.td
1415 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1417 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1419 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1420 IIC_Br, []>, Requires<[IsDarwin]>;
1422 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1423 IIC_Br, []>, Requires<[IsDarwin]>;
1425 def TAILJMPd : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1427 []>, Requires<[IsARM, IsDarwin]>;
1429 def tTAILJMPd: tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1431 []>, Requires<[IsThumb, IsDarwin]>;
1433 def TAILJMPr : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1435 []>, Requires<[IsARM, IsDarwin]>;
1437 def tTAILJMPr : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1439 []>, Requires<[IsThumb, IsDarwin]>;
1442 // Non-Darwin versions (the difference is R9).
1443 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1445 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1446 IIC_Br, []>, Requires<[IsNotDarwin]>;
1448 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1449 IIC_Br, []>, Requires<[IsNotDarwin]>;
1451 def TAILJMPdND : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1453 []>, Requires<[IsARM, IsNotDarwin]>;
1455 def tTAILJMPdND : tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1457 []>, Requires<[IsThumb, IsNotDarwin]>;
1459 def TAILJMPrND : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1461 []>, Requires<[IsARM, IsNotDarwin]>;
1462 def tTAILJMPrND : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1464 []>, Requires<[IsThumb, IsNotDarwin]>;
1468 let isBranch = 1, isTerminator = 1 in {
1469 // B is "predicable" since it's just a Bcc with an 'always' condition.
1470 let isBarrier = 1 in {
1471 let isPredicable = 1 in
1472 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1473 // should be sufficient.
1474 def B : ARMPseudoInst<(outs), (ins brtarget:$target), Size4Bytes, IIC_Br,
1477 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1478 def BR_JTr : ARMPseudoInst<(outs),
1479 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1480 SizeSpecial, IIC_Br,
1481 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1482 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1483 // into i12 and rs suffixed versions.
1484 def BR_JTm : ARMPseudoInst<(outs),
1485 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1486 SizeSpecial, IIC_Br,
1487 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1489 def BR_JTadd : ARMPseudoInst<(outs),
1490 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1491 SizeSpecial, IIC_Br,
1492 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1494 } // isNotDuplicable = 1, isIndirectBranch = 1
1497 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1498 // a two-value operand where a dag node expects two operands. :(
1499 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1500 IIC_Br, "b", "\t$target",
1501 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1503 let Inst{23-0} = target;
1507 // BLX (immediate) -- for disassembly only
1508 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1509 "blx\t$target", [/* pattern left blank */]>,
1510 Requires<[IsARM, HasV5T]> {
1511 let Inst{31-25} = 0b1111101;
1513 let Inst{23-0} = target{24-1};
1514 let Inst{24} = target{0};
1517 // Branch and Exchange Jazelle -- for disassembly only
1518 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1519 [/* For disassembly only; pattern left blank */]> {
1520 let Inst{23-20} = 0b0010;
1521 //let Inst{19-8} = 0xfff;
1522 let Inst{7-4} = 0b0010;
1525 // Secure Monitor Call is a system instruction -- for disassembly only
1526 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1527 [/* For disassembly only; pattern left blank */]> {
1529 let Inst{23-4} = 0b01100000000000000111;
1530 let Inst{3-0} = opt;
1533 // Supervisor Call (Software Interrupt) -- for disassembly only
1534 let isCall = 1, Uses = [SP] in {
1535 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1536 [/* For disassembly only; pattern left blank */]> {
1538 let Inst{23-0} = svc;
1541 def : MnemonicAlias<"swi", "svc">;
1543 // Store Return State is a system instruction -- for disassembly only
1544 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1545 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1546 NoItinerary, "srs${amode}\tsp!, $mode",
1547 [/* For disassembly only; pattern left blank */]> {
1548 let Inst{31-28} = 0b1111;
1549 let Inst{22-20} = 0b110; // W = 1
1550 let Inst{19-8} = 0xd05;
1551 let Inst{7-5} = 0b000;
1554 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1555 NoItinerary, "srs${amode}\tsp, $mode",
1556 [/* For disassembly only; pattern left blank */]> {
1557 let Inst{31-28} = 0b1111;
1558 let Inst{22-20} = 0b100; // W = 0
1559 let Inst{19-8} = 0xd05;
1560 let Inst{7-5} = 0b000;
1563 // Return From Exception is a system instruction -- for disassembly only
1564 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1565 NoItinerary, "rfe${amode}\t$base!",
1566 [/* For disassembly only; pattern left blank */]> {
1567 let Inst{31-28} = 0b1111;
1568 let Inst{22-20} = 0b011; // W = 1
1569 let Inst{15-0} = 0x0a00;
1572 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1573 NoItinerary, "rfe${amode}\t$base",
1574 [/* For disassembly only; pattern left blank */]> {
1575 let Inst{31-28} = 0b1111;
1576 let Inst{22-20} = 0b001; // W = 0
1577 let Inst{15-0} = 0x0a00;
1579 } // isCodeGenOnly = 1
1581 //===----------------------------------------------------------------------===//
1582 // Load / store Instructions.
1588 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1589 UnOpFrag<(load node:$Src)>>;
1590 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1591 UnOpFrag<(zextloadi8 node:$Src)>>;
1592 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1593 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1594 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1595 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1597 // Special LDR for loads from non-pc-relative constpools.
1598 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1599 isReMaterializable = 1 in
1600 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1601 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1605 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1606 let Inst{19-16} = 0b1111;
1607 let Inst{15-12} = Rt;
1608 let Inst{11-0} = addr{11-0}; // imm12
1611 // Loads with zero extension
1612 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1613 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1614 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1616 // Loads with sign extension
1617 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1618 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1619 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1621 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1622 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1623 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1625 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1627 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1628 (ins addrmode3:$addr), LdMiscFrm,
1629 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1630 []>, Requires<[IsARM, HasV5TE]>;
1634 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1635 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1636 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1637 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1639 // {13} 1 == Rm, 0 == imm12
1643 let Inst{25} = addr{13};
1644 let Inst{23} = addr{12};
1645 let Inst{19-16} = addr{17-14};
1646 let Inst{11-0} = addr{11-0};
1647 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1649 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1650 (ins GPR:$Rn, am2offset:$offset),
1651 IndexModePost, LdFrm, itin,
1652 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1653 // {13} 1 == Rm, 0 == imm12
1658 let Inst{25} = offset{13};
1659 let Inst{23} = offset{12};
1660 let Inst{19-16} = Rn;
1661 let Inst{11-0} = offset{11-0};
1665 let mayLoad = 1, neverHasSideEffects = 1 in {
1666 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1667 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1670 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1671 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1672 (ins addrmode3:$addr), IndexModePre,
1674 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1676 let Inst{23} = addr{8}; // U bit
1677 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1678 let Inst{19-16} = addr{12-9}; // Rn
1679 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1680 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1682 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1683 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1685 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1688 let Inst{23} = offset{8}; // U bit
1689 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1690 let Inst{19-16} = Rn;
1691 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1692 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1696 let mayLoad = 1, neverHasSideEffects = 1 in {
1697 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1698 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1699 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1700 let hasExtraDefRegAllocReq = 1 in {
1701 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1702 (ins addrmode3:$addr), IndexModePre,
1703 LdMiscFrm, IIC_iLoad_d_ru,
1704 "ldrd", "\t$Rt, $Rt2, $addr!",
1705 "$addr.base = $Rn_wb", []> {
1707 let Inst{23} = addr{8}; // U bit
1708 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1709 let Inst{19-16} = addr{12-9}; // Rn
1710 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1711 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1713 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1714 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1715 LdMiscFrm, IIC_iLoad_d_ru,
1716 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1717 "$Rn = $Rn_wb", []> {
1720 let Inst{23} = offset{8}; // U bit
1721 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1722 let Inst{19-16} = Rn;
1723 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1724 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1726 } // hasExtraDefRegAllocReq = 1
1727 } // mayLoad = 1, neverHasSideEffects = 1
1729 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1730 let mayLoad = 1, neverHasSideEffects = 1 in {
1731 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1732 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1733 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1735 // {13} 1 == Rm, 0 == imm12
1739 let Inst{25} = addr{13};
1740 let Inst{23} = addr{12};
1741 let Inst{21} = 1; // overwrite
1742 let Inst{19-16} = addr{17-14};
1743 let Inst{11-0} = addr{11-0};
1744 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1746 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1747 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1748 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1750 // {13} 1 == Rm, 0 == imm12
1754 let Inst{25} = addr{13};
1755 let Inst{23} = addr{12};
1756 let Inst{21} = 1; // overwrite
1757 let Inst{19-16} = addr{17-14};
1758 let Inst{11-0} = addr{11-0};
1759 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1761 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1762 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1763 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1764 let Inst{21} = 1; // overwrite
1766 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1767 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1768 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1769 let Inst{21} = 1; // overwrite
1771 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1772 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1773 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1774 let Inst{21} = 1; // overwrite
1780 // Stores with truncate
1781 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1782 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1783 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1786 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1787 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1788 StMiscFrm, IIC_iStore_d_r,
1789 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
1792 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1793 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1794 IndexModePre, StFrm, IIC_iStore_ru,
1795 "str", "\t$Rt, [$Rn, $offset]!",
1796 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1798 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1800 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1801 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1802 IndexModePost, StFrm, IIC_iStore_ru,
1803 "str", "\t$Rt, [$Rn], $offset",
1804 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1806 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1808 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1809 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1810 IndexModePre, StFrm, IIC_iStore_bh_ru,
1811 "strb", "\t$Rt, [$Rn, $offset]!",
1812 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1813 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1814 GPR:$Rn, am2offset:$offset))]>;
1815 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1816 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1817 IndexModePost, StFrm, IIC_iStore_bh_ru,
1818 "strb", "\t$Rt, [$Rn], $offset",
1819 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1820 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1821 GPR:$Rn, am2offset:$offset))]>;
1823 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1824 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1825 IndexModePre, StMiscFrm, IIC_iStore_ru,
1826 "strh", "\t$Rt, [$Rn, $offset]!",
1827 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1829 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1831 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1832 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1833 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1834 "strh", "\t$Rt, [$Rn], $offset",
1835 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1836 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1837 GPR:$Rn, am3offset:$offset))]>;
1839 // For disassembly only
1840 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1841 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1842 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1843 StMiscFrm, IIC_iStore_d_ru,
1844 "strd", "\t$src1, $src2, [$base, $offset]!",
1845 "$base = $base_wb", []>;
1847 // For disassembly only
1848 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1849 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1850 StMiscFrm, IIC_iStore_d_ru,
1851 "strd", "\t$src1, $src2, [$base], $offset",
1852 "$base = $base_wb", []>;
1853 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
1855 // STRT, STRBT, and STRHT are for disassembly only.
1857 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1858 IndexModePost, StFrm, IIC_iStore_ru,
1859 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1860 [/* For disassembly only; pattern left blank */]> {
1861 let Inst{21} = 1; // overwrite
1862 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1865 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1866 IndexModePost, StFrm, IIC_iStore_bh_ru,
1867 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1868 [/* For disassembly only; pattern left blank */]> {
1869 let Inst{21} = 1; // overwrite
1870 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1873 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
1874 StMiscFrm, IIC_iStore_bh_ru,
1875 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
1876 [/* For disassembly only; pattern left blank */]> {
1877 let Inst{21} = 1; // overwrite
1878 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
1881 //===----------------------------------------------------------------------===//
1882 // Load / store multiple Instructions.
1885 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1886 InstrItinClass itin, InstrItinClass itin_upd> {
1888 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1889 IndexModeNone, f, itin,
1890 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1891 let Inst{24-23} = 0b01; // Increment After
1892 let Inst{21} = 0; // No writeback
1893 let Inst{20} = L_bit;
1896 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1897 IndexModeUpd, f, itin_upd,
1898 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1899 let Inst{24-23} = 0b01; // Increment After
1900 let Inst{21} = 1; // Writeback
1901 let Inst{20} = L_bit;
1904 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1905 IndexModeNone, f, itin,
1906 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1907 let Inst{24-23} = 0b00; // Decrement After
1908 let Inst{21} = 0; // No writeback
1909 let Inst{20} = L_bit;
1912 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1913 IndexModeUpd, f, itin_upd,
1914 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1915 let Inst{24-23} = 0b00; // Decrement After
1916 let Inst{21} = 1; // Writeback
1917 let Inst{20} = L_bit;
1920 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1921 IndexModeNone, f, itin,
1922 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1923 let Inst{24-23} = 0b10; // Decrement Before
1924 let Inst{21} = 0; // No writeback
1925 let Inst{20} = L_bit;
1928 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1929 IndexModeUpd, f, itin_upd,
1930 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1931 let Inst{24-23} = 0b10; // Decrement Before
1932 let Inst{21} = 1; // Writeback
1933 let Inst{20} = L_bit;
1936 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1937 IndexModeNone, f, itin,
1938 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1939 let Inst{24-23} = 0b11; // Increment Before
1940 let Inst{21} = 0; // No writeback
1941 let Inst{20} = L_bit;
1944 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1945 IndexModeUpd, f, itin_upd,
1946 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1947 let Inst{24-23} = 0b11; // Increment Before
1948 let Inst{21} = 1; // Writeback
1949 let Inst{20} = L_bit;
1953 let neverHasSideEffects = 1 in {
1955 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1956 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1958 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1959 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1961 } // neverHasSideEffects
1963 // Load / Store Multiple Mnemonic Aliases
1964 def : MnemonicAlias<"ldm", "ldmia">;
1965 def : MnemonicAlias<"stm", "stmia">;
1967 // FIXME: remove when we have a way to marking a MI with these properties.
1968 // FIXME: Should pc be an implicit operand like PICADD, etc?
1969 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1970 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1971 def LDMIA_RET : ARMPseudoInst<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1972 reglist:$regs, variable_ops),
1973 Size4Bytes, IIC_iLoad_mBr, []>,
1974 RegConstraint<"$Rn = $wb">;
1976 //===----------------------------------------------------------------------===//
1977 // Move Instructions.
1980 let neverHasSideEffects = 1 in
1981 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1982 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1986 let Inst{19-16} = 0b0000;
1987 let Inst{11-4} = 0b00000000;
1990 let Inst{15-12} = Rd;
1993 // A version for the smaller set of tail call registers.
1994 let neverHasSideEffects = 1 in
1995 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1996 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2000 let Inst{11-4} = 0b00000000;
2003 let Inst{15-12} = Rd;
2006 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
2007 DPSoRegFrm, IIC_iMOVsr,
2008 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
2012 let Inst{15-12} = Rd;
2013 let Inst{19-16} = 0b0000;
2014 let Inst{11-0} = src;
2018 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2019 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2020 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2024 let Inst{15-12} = Rd;
2025 let Inst{19-16} = 0b0000;
2026 let Inst{11-0} = imm;
2029 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2030 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
2032 "movw", "\t$Rd, $imm",
2033 [(set GPR:$Rd, imm0_65535:$imm)]>,
2034 Requires<[IsARM, HasV6T2]>, UnaryDP {
2037 let Inst{15-12} = Rd;
2038 let Inst{11-0} = imm{11-0};
2039 let Inst{19-16} = imm{15-12};
2044 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2045 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2047 let Constraints = "$src = $Rd" in {
2048 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
2050 "movt", "\t$Rd, $imm",
2052 (or (and GPR:$src, 0xffff),
2053 lo16AllZero:$imm))]>, UnaryDP,
2054 Requires<[IsARM, HasV6T2]> {
2057 let Inst{15-12} = Rd;
2058 let Inst{11-0} = imm{11-0};
2059 let Inst{19-16} = imm{15-12};
2064 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2065 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2069 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2070 Requires<[IsARM, HasV6T2]>;
2072 let Uses = [CPSR] in
2073 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2074 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2077 // These aren't really mov instructions, but we have to define them this way
2078 // due to flag operands.
2080 let Defs = [CPSR] in {
2081 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2082 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2084 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2085 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2089 //===----------------------------------------------------------------------===//
2090 // Extend Instructions.
2095 defm SXTB : AI_ext_rrot<0b01101010,
2096 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2097 defm SXTH : AI_ext_rrot<0b01101011,
2098 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2100 defm SXTAB : AI_exta_rrot<0b01101010,
2101 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2102 defm SXTAH : AI_exta_rrot<0b01101011,
2103 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2105 // For disassembly only
2106 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2108 // For disassembly only
2109 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2113 let AddedComplexity = 16 in {
2114 defm UXTB : AI_ext_rrot<0b01101110,
2115 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2116 defm UXTH : AI_ext_rrot<0b01101111,
2117 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2118 defm UXTB16 : AI_ext_rrot<0b01101100,
2119 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2121 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2122 // The transformation should probably be done as a combiner action
2123 // instead so we can include a check for masking back in the upper
2124 // eight bits of the source into the lower eight bits of the result.
2125 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2126 // (UXTB16r_rot GPR:$Src, 24)>;
2127 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2128 (UXTB16r_rot GPR:$Src, 8)>;
2130 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2131 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2132 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2133 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2136 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2137 // For disassembly only
2138 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2141 def SBFX : I<(outs GPR:$Rd),
2142 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2143 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2144 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2145 Requires<[IsARM, HasV6T2]> {
2150 let Inst{27-21} = 0b0111101;
2151 let Inst{6-4} = 0b101;
2152 let Inst{20-16} = width;
2153 let Inst{15-12} = Rd;
2154 let Inst{11-7} = lsb;
2158 def UBFX : I<(outs GPR:$Rd),
2159 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2160 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2161 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2162 Requires<[IsARM, HasV6T2]> {
2167 let Inst{27-21} = 0b0111111;
2168 let Inst{6-4} = 0b101;
2169 let Inst{20-16} = width;
2170 let Inst{15-12} = Rd;
2171 let Inst{11-7} = lsb;
2175 //===----------------------------------------------------------------------===//
2176 // Arithmetic Instructions.
2179 defm ADD : AsI1_bin_irs<0b0100, "add",
2180 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2181 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2182 defm SUB : AsI1_bin_irs<0b0010, "sub",
2183 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2184 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2186 // ADD and SUB with 's' bit set.
2187 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2188 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2189 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2190 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2191 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2192 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2194 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2195 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2196 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2197 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2199 // ADC and SUBC with 's' bit set.
2200 let usesCustomInserter = 1 in {
2201 defm ADCS : AI1_adde_sube_s_irs<
2202 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2203 defm SBCS : AI1_adde_sube_s_irs<
2204 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2207 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2208 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2209 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2214 let Inst{15-12} = Rd;
2215 let Inst{19-16} = Rn;
2216 let Inst{11-0} = imm;
2219 // The reg/reg form is only defined for the disassembler; for codegen it is
2220 // equivalent to SUBrr.
2221 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2222 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2223 [/* For disassembly only; pattern left blank */]> {
2227 let Inst{11-4} = 0b00000000;
2230 let Inst{15-12} = Rd;
2231 let Inst{19-16} = Rn;
2234 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2235 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2236 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2241 let Inst{11-0} = shift;
2242 let Inst{15-12} = Rd;
2243 let Inst{19-16} = Rn;
2246 // RSB with 's' bit set.
2247 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2248 let usesCustomInserter = 1 in {
2249 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2250 Size4Bytes, IIC_iALUi,
2251 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2252 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2253 Size4Bytes, IIC_iALUr,
2254 [/* For disassembly only; pattern left blank */]>;
2255 def RSBSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2256 Size4Bytes, IIC_iALUsr,
2257 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]>;
2260 let Uses = [CPSR] in {
2261 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2262 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2263 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2269 let Inst{15-12} = Rd;
2270 let Inst{19-16} = Rn;
2271 let Inst{11-0} = imm;
2273 // The reg/reg form is only defined for the disassembler; for codegen it is
2274 // equivalent to SUBrr.
2275 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2276 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2277 [/* For disassembly only; pattern left blank */]> {
2281 let Inst{11-4} = 0b00000000;
2284 let Inst{15-12} = Rd;
2285 let Inst{19-16} = Rn;
2287 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2288 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2289 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2295 let Inst{11-0} = shift;
2296 let Inst{15-12} = Rd;
2297 let Inst{19-16} = Rn;
2301 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2302 let usesCustomInserter = 1, Uses = [CPSR] in {
2303 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2304 Size4Bytes, IIC_iALUi,
2305 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2306 def RSCSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2307 Size4Bytes, IIC_iALUsr,
2308 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>;
2311 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2312 // The assume-no-carry-in form uses the negation of the input since add/sub
2313 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2314 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2316 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2317 (SUBri GPR:$src, so_imm_neg:$imm)>;
2318 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2319 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2320 // The with-carry-in form matches bitwise not instead of the negation.
2321 // Effectively, the inverse interpretation of the carry flag already accounts
2322 // for part of the negation.
2323 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2324 (SBCri GPR:$src, so_imm_not:$imm)>;
2325 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2326 (SBCSri GPR:$src, so_imm_not:$imm)>;
2328 // Note: These are implemented in C++ code, because they have to generate
2329 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2331 // (mul X, 2^n+1) -> (add (X << n), X)
2332 // (mul X, 2^n-1) -> (rsb X, (X << n))
2334 // ARM Arithmetic Instruction -- for disassembly only
2335 // GPR:$dst = GPR:$a op GPR:$b
2336 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2337 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2338 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2339 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2343 let Inst{27-20} = op27_20;
2344 let Inst{11-4} = op11_4;
2345 let Inst{19-16} = Rn;
2346 let Inst{15-12} = Rd;
2350 // Saturating add/subtract -- for disassembly only
2352 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2353 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2354 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2355 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2356 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2357 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2358 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2360 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2363 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2364 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2365 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2366 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2367 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2368 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2369 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2370 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2371 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2372 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2373 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2374 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2376 // Signed/Unsigned add/subtract -- for disassembly only
2378 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2379 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2380 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2381 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2382 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2383 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2384 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2385 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2386 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2387 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2388 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2389 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2391 // Signed/Unsigned halving add/subtract -- for disassembly only
2393 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2394 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2395 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2396 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2397 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2398 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2399 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2400 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2401 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2402 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2403 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2404 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2406 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2408 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2409 MulFrm /* for convenience */, NoItinerary, "usad8",
2410 "\t$Rd, $Rn, $Rm", []>,
2411 Requires<[IsARM, HasV6]> {
2415 let Inst{27-20} = 0b01111000;
2416 let Inst{15-12} = 0b1111;
2417 let Inst{7-4} = 0b0001;
2418 let Inst{19-16} = Rd;
2419 let Inst{11-8} = Rm;
2422 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2423 MulFrm /* for convenience */, NoItinerary, "usada8",
2424 "\t$Rd, $Rn, $Rm, $Ra", []>,
2425 Requires<[IsARM, HasV6]> {
2430 let Inst{27-20} = 0b01111000;
2431 let Inst{7-4} = 0b0001;
2432 let Inst{19-16} = Rd;
2433 let Inst{15-12} = Ra;
2434 let Inst{11-8} = Rm;
2438 // Signed/Unsigned saturate -- for disassembly only
2440 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2441 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2442 [/* For disassembly only; pattern left blank */]> {
2447 let Inst{27-21} = 0b0110101;
2448 let Inst{5-4} = 0b01;
2449 let Inst{20-16} = sat_imm;
2450 let Inst{15-12} = Rd;
2451 let Inst{11-7} = sh{7-3};
2452 let Inst{6} = sh{0};
2456 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2457 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2458 [/* For disassembly only; pattern left blank */]> {
2462 let Inst{27-20} = 0b01101010;
2463 let Inst{11-4} = 0b11110011;
2464 let Inst{15-12} = Rd;
2465 let Inst{19-16} = sat_imm;
2469 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2470 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2471 [/* For disassembly only; pattern left blank */]> {
2476 let Inst{27-21} = 0b0110111;
2477 let Inst{5-4} = 0b01;
2478 let Inst{15-12} = Rd;
2479 let Inst{11-7} = sh{7-3};
2480 let Inst{6} = sh{0};
2481 let Inst{20-16} = sat_imm;
2485 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2486 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2487 [/* For disassembly only; pattern left blank */]> {
2491 let Inst{27-20} = 0b01101110;
2492 let Inst{11-4} = 0b11110011;
2493 let Inst{15-12} = Rd;
2494 let Inst{19-16} = sat_imm;
2498 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2499 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2501 //===----------------------------------------------------------------------===//
2502 // Bitwise Instructions.
2505 defm AND : AsI1_bin_irs<0b0000, "and",
2506 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2507 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2508 defm ORR : AsI1_bin_irs<0b1100, "orr",
2509 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2510 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2511 defm EOR : AsI1_bin_irs<0b0001, "eor",
2512 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2513 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2514 defm BIC : AsI1_bin_irs<0b1110, "bic",
2515 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2516 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2518 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2519 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2520 "bfc", "\t$Rd, $imm", "$src = $Rd",
2521 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2522 Requires<[IsARM, HasV6T2]> {
2525 let Inst{27-21} = 0b0111110;
2526 let Inst{6-0} = 0b0011111;
2527 let Inst{15-12} = Rd;
2528 let Inst{11-7} = imm{4-0}; // lsb
2529 let Inst{20-16} = imm{9-5}; // width
2532 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2533 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2534 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2535 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2536 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2537 bf_inv_mask_imm:$imm))]>,
2538 Requires<[IsARM, HasV6T2]> {
2542 let Inst{27-21} = 0b0111110;
2543 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2544 let Inst{15-12} = Rd;
2545 let Inst{11-7} = imm{4-0}; // lsb
2546 let Inst{20-16} = imm{9-5}; // width
2550 // GNU as only supports this form of bfi (w/ 4 arguments)
2551 let isAsmParserOnly = 1 in
2552 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2553 lsb_pos_imm:$lsb, width_imm:$width),
2554 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2555 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2556 []>, Requires<[IsARM, HasV6T2]> {
2561 let Inst{27-21} = 0b0111110;
2562 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2563 let Inst{15-12} = Rd;
2564 let Inst{11-7} = lsb;
2565 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2569 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2570 "mvn", "\t$Rd, $Rm",
2571 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2575 let Inst{19-16} = 0b0000;
2576 let Inst{11-4} = 0b00000000;
2577 let Inst{15-12} = Rd;
2580 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2581 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2582 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2586 let Inst{19-16} = 0b0000;
2587 let Inst{15-12} = Rd;
2588 let Inst{11-0} = shift;
2590 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2591 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2592 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2593 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2597 let Inst{19-16} = 0b0000;
2598 let Inst{15-12} = Rd;
2599 let Inst{11-0} = imm;
2602 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2603 (BICri GPR:$src, so_imm_not:$imm)>;
2605 //===----------------------------------------------------------------------===//
2606 // Multiply Instructions.
2608 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2609 string opc, string asm, list<dag> pattern>
2610 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2614 let Inst{19-16} = Rd;
2615 let Inst{11-8} = Rm;
2618 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2619 string opc, string asm, list<dag> pattern>
2620 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2625 let Inst{19-16} = RdHi;
2626 let Inst{15-12} = RdLo;
2627 let Inst{11-8} = Rm;
2631 let isCommutable = 1 in {
2632 let Constraints = "@earlyclobber $Rd" in
2633 def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2634 pred:$p, cc_out:$s),
2635 Size4Bytes, IIC_iMUL32,
2636 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2637 Requires<[IsARM, NoV6]>;
2639 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2640 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2641 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2642 Requires<[IsARM, HasV6]> {
2643 let Inst{15-12} = 0b0000;
2647 let Constraints = "@earlyclobber $Rd" in
2648 def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
2649 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2650 Size4Bytes, IIC_iMAC32,
2651 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2652 Requires<[IsARM, NoV6]> {
2654 let Inst{15-12} = Ra;
2656 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2657 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2658 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2659 Requires<[IsARM, HasV6]> {
2661 let Inst{15-12} = Ra;
2664 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2665 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2666 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2667 Requires<[IsARM, HasV6T2]> {
2672 let Inst{19-16} = Rd;
2673 let Inst{15-12} = Ra;
2674 let Inst{11-8} = Rm;
2678 // Extra precision multiplies with low / high results
2680 let neverHasSideEffects = 1 in {
2681 let isCommutable = 1 in {
2682 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2683 def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2684 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2685 Size4Bytes, IIC_iMUL64, []>,
2686 Requires<[IsARM, NoV6]>;
2688 def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2689 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2690 Size4Bytes, IIC_iMUL64, []>,
2691 Requires<[IsARM, NoV6]>;
2694 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2695 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2696 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2697 Requires<[IsARM, HasV6]>;
2699 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2700 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2701 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2702 Requires<[IsARM, HasV6]>;
2705 // Multiply + accumulate
2706 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2707 def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2708 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2709 Size4Bytes, IIC_iMAC64, []>,
2710 Requires<[IsARM, NoV6]>;
2711 def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2712 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2713 Size4Bytes, IIC_iMAC64, []>,
2714 Requires<[IsARM, NoV6]>;
2715 def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2716 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2717 Size4Bytes, IIC_iMAC64, []>,
2718 Requires<[IsARM, NoV6]>;
2722 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2723 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2724 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2725 Requires<[IsARM, HasV6]>;
2726 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2727 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2728 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2729 Requires<[IsARM, HasV6]>;
2731 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2732 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2733 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2734 Requires<[IsARM, HasV6]> {
2739 let Inst{19-16} = RdLo;
2740 let Inst{15-12} = RdHi;
2741 let Inst{11-8} = Rm;
2744 } // neverHasSideEffects
2746 // Most significant word multiply
2747 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2748 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2749 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2750 Requires<[IsARM, HasV6]> {
2751 let Inst{15-12} = 0b1111;
2754 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2755 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2756 [/* For disassembly only; pattern left blank */]>,
2757 Requires<[IsARM, HasV6]> {
2758 let Inst{15-12} = 0b1111;
2761 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2762 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2763 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2764 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2765 Requires<[IsARM, HasV6]>;
2767 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2768 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2769 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2770 [/* For disassembly only; pattern left blank */]>,
2771 Requires<[IsARM, HasV6]>;
2773 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2774 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2775 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2776 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2777 Requires<[IsARM, HasV6]>;
2779 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2780 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2781 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2782 [/* For disassembly only; pattern left blank */]>,
2783 Requires<[IsARM, HasV6]>;
2785 multiclass AI_smul<string opc, PatFrag opnode> {
2786 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2787 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2788 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2789 (sext_inreg GPR:$Rm, i16)))]>,
2790 Requires<[IsARM, HasV5TE]>;
2792 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2793 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2794 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2795 (sra GPR:$Rm, (i32 16))))]>,
2796 Requires<[IsARM, HasV5TE]>;
2798 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2799 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2800 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2801 (sext_inreg GPR:$Rm, i16)))]>,
2802 Requires<[IsARM, HasV5TE]>;
2804 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2805 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2806 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2807 (sra GPR:$Rm, (i32 16))))]>,
2808 Requires<[IsARM, HasV5TE]>;
2810 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2811 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2812 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2813 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2814 Requires<[IsARM, HasV5TE]>;
2816 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2817 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2818 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2819 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2820 Requires<[IsARM, HasV5TE]>;
2824 multiclass AI_smla<string opc, PatFrag opnode> {
2825 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2826 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2827 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2828 [(set GPR:$Rd, (add GPR:$Ra,
2829 (opnode (sext_inreg GPR:$Rn, i16),
2830 (sext_inreg GPR:$Rm, i16))))]>,
2831 Requires<[IsARM, HasV5TE]>;
2833 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2834 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2835 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2836 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2837 (sra GPR:$Rm, (i32 16)))))]>,
2838 Requires<[IsARM, HasV5TE]>;
2840 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2841 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2842 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2843 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2844 (sext_inreg GPR:$Rm, i16))))]>,
2845 Requires<[IsARM, HasV5TE]>;
2847 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2848 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2849 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2850 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2851 (sra GPR:$Rm, (i32 16)))))]>,
2852 Requires<[IsARM, HasV5TE]>;
2854 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2855 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2856 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2857 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2858 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2859 Requires<[IsARM, HasV5TE]>;
2861 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2862 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2863 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2864 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2865 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2866 Requires<[IsARM, HasV5TE]>;
2869 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2870 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2872 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2873 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2874 (ins GPR:$Rn, GPR:$Rm),
2875 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2876 [/* For disassembly only; pattern left blank */]>,
2877 Requires<[IsARM, HasV5TE]>;
2879 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2880 (ins GPR:$Rn, GPR:$Rm),
2881 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2882 [/* For disassembly only; pattern left blank */]>,
2883 Requires<[IsARM, HasV5TE]>;
2885 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2886 (ins GPR:$Rn, GPR:$Rm),
2887 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2888 [/* For disassembly only; pattern left blank */]>,
2889 Requires<[IsARM, HasV5TE]>;
2891 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2892 (ins GPR:$Rn, GPR:$Rm),
2893 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2894 [/* For disassembly only; pattern left blank */]>,
2895 Requires<[IsARM, HasV5TE]>;
2897 // Helper class for AI_smld -- for disassembly only
2898 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2899 InstrItinClass itin, string opc, string asm>
2900 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2907 let Inst{21-20} = 0b00;
2908 let Inst{22} = long;
2909 let Inst{27-23} = 0b01110;
2910 let Inst{11-8} = Rm;
2913 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2914 InstrItinClass itin, string opc, string asm>
2915 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2917 let Inst{15-12} = 0b1111;
2918 let Inst{19-16} = Rd;
2920 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2921 InstrItinClass itin, string opc, string asm>
2922 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2924 let Inst{15-12} = Ra;
2926 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2927 InstrItinClass itin, string opc, string asm>
2928 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2931 let Inst{19-16} = RdHi;
2932 let Inst{15-12} = RdLo;
2935 multiclass AI_smld<bit sub, string opc> {
2937 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2938 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2940 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2941 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2943 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2944 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2945 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2947 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2948 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2949 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2953 defm SMLA : AI_smld<0, "smla">;
2954 defm SMLS : AI_smld<1, "smls">;
2956 multiclass AI_sdml<bit sub, string opc> {
2958 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2959 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2960 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2961 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2964 defm SMUA : AI_sdml<0, "smua">;
2965 defm SMUS : AI_sdml<1, "smus">;
2967 //===----------------------------------------------------------------------===//
2968 // Misc. Arithmetic Instructions.
2971 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2972 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2973 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2975 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2976 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2977 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2978 Requires<[IsARM, HasV6T2]>;
2980 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2981 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2982 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2984 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2985 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2987 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2988 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2989 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2990 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2991 Requires<[IsARM, HasV6]>;
2993 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2994 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2997 (or (srl GPR:$Rm, (i32 8)),
2998 (shl GPR:$Rm, (i32 8))), i16))]>,
2999 Requires<[IsARM, HasV6]>;
3001 def : ARMV6Pat<(sext_inreg (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
3002 (shl GPR:$Rm, (i32 8))), i16),
3005 // Need the AddedComplexity or else MOVs + REV would be chosen.
3006 let AddedComplexity = 5 in
3007 def : ARMV6Pat<(sra (bswap GPR:$Rm), (i32 16)), (REVSH GPR:$Rm)>;
3009 def lsl_shift_imm : SDNodeXForm<imm, [{
3010 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
3011 return CurDAG->getTargetConstant(Sh, MVT::i32);
3014 def lsl_amt : ImmLeaf<i32, [{
3015 return Imm > 0 && Imm < 32;
3018 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3019 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3020 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3021 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3022 (and (shl GPR:$Rm, lsl_amt:$sh),
3024 Requires<[IsARM, HasV6]>;
3026 // Alternate cases for PKHBT where identities eliminate some nodes.
3027 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3028 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3029 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3030 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
3032 def asr_shift_imm : SDNodeXForm<imm, [{
3033 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
3034 return CurDAG->getTargetConstant(Sh, MVT::i32);
3037 def asr_amt : ImmLeaf<i32, [{
3038 return Imm > 0 && Imm <= 32;
3041 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3042 // will match the pattern below.
3043 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3044 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3045 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3046 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3047 (and (sra GPR:$Rm, asr_amt:$sh),
3049 Requires<[IsARM, HasV6]>;
3051 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3052 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3053 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3054 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
3055 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3056 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3057 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
3059 //===----------------------------------------------------------------------===//
3060 // Comparison Instructions...
3063 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3064 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3065 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3067 // ARMcmpZ can re-use the above instruction definitions.
3068 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3069 (CMPri GPR:$src, so_imm:$imm)>;
3070 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3071 (CMPrr GPR:$src, GPR:$rhs)>;
3072 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3073 (CMPrs GPR:$src, so_reg:$rhs)>;
3075 // FIXME: We have to be careful when using the CMN instruction and comparison
3076 // with 0. One would expect these two pieces of code should give identical
3092 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3093 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3094 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3095 // value of r0 and the carry bit (because the "carry bit" parameter to
3096 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3097 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3098 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3099 // parameter to AddWithCarry is defined as 0).
3101 // When x is 0 and unsigned:
3105 // ~x + 1 = 0x1 0000 0000
3106 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3108 // Therefore, we should disable CMN when comparing against zero, until we can
3109 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3110 // when it's a comparison which doesn't look at the 'carry' flag).
3112 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3114 // This is related to <rdar://problem/7569620>.
3116 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3117 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3119 // Note that TST/TEQ don't set all the same flags that CMP does!
3120 defm TST : AI1_cmp_irs<0b1000, "tst",
3121 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3122 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3123 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3124 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3125 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3127 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3128 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3129 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3131 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3132 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3134 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3135 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3137 // Pseudo i64 compares for some floating point compares.
3138 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3140 def BCCi64 : PseudoInst<(outs),
3141 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3143 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3145 def BCCZi64 : PseudoInst<(outs),
3146 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3147 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3148 } // usesCustomInserter
3151 // Conditional moves
3152 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3153 // a two-value operand where a dag node expects two operands. :(
3154 let neverHasSideEffects = 1 in {
3155 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3156 Size4Bytes, IIC_iCMOVr,
3157 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3158 RegConstraint<"$false = $Rd">;
3159 def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
3160 (ins GPR:$false, so_reg:$shift, pred:$p),
3161 Size4Bytes, IIC_iCMOVsr,
3162 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3163 RegConstraint<"$false = $Rd">;
3165 let isMoveImm = 1 in
3166 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3167 (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
3168 Size4Bytes, IIC_iMOVi,
3170 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3172 let isMoveImm = 1 in
3173 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3174 (ins GPR:$false, so_imm:$imm, pred:$p),
3175 Size4Bytes, IIC_iCMOVi,
3176 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3177 RegConstraint<"$false = $Rd">;
3179 // Two instruction predicate mov immediate.
3180 let isMoveImm = 1 in
3181 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3182 (ins GPR:$false, i32imm:$src, pred:$p),
3183 Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3185 let isMoveImm = 1 in
3186 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3187 (ins GPR:$false, so_imm:$imm, pred:$p),
3188 Size4Bytes, IIC_iCMOVi,
3189 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3190 RegConstraint<"$false = $Rd">;
3191 } // neverHasSideEffects
3193 //===----------------------------------------------------------------------===//
3194 // Atomic operations intrinsics
3197 def memb_opt : Operand<i32> {
3198 let PrintMethod = "printMemBOption";
3199 let ParserMatchClass = MemBarrierOptOperand;
3202 // memory barriers protect the atomic sequences
3203 let hasSideEffects = 1 in {
3204 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3205 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3206 Requires<[IsARM, HasDB]> {
3208 let Inst{31-4} = 0xf57ff05;
3209 let Inst{3-0} = opt;
3213 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3215 [/* For disassembly only; pattern left blank */]>,
3216 Requires<[IsARM, HasDB]> {
3218 let Inst{31-4} = 0xf57ff04;
3219 let Inst{3-0} = opt;
3222 // ISB has only full system option -- for disassembly only
3223 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3224 Requires<[IsARM, HasDB]> {
3225 let Inst{31-4} = 0xf57ff06;
3226 let Inst{3-0} = 0b1111;
3229 let usesCustomInserter = 1 in {
3230 let Uses = [CPSR] in {
3231 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3232 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3233 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3234 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3235 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3236 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3237 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3238 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3239 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3240 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3241 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3242 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3243 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3244 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3245 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3246 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3247 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3248 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3249 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3250 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3251 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3252 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3253 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3254 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3255 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3256 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3257 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3258 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3259 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3260 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3261 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3262 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3263 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3264 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3265 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3266 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3267 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3268 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3269 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3270 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3271 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3272 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3273 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3274 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3275 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3276 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3277 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3278 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3279 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3280 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3281 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3282 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3283 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3284 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3285 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3286 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3287 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3288 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3289 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3290 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3291 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3292 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3293 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3294 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3295 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3296 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3297 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3298 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3299 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3300 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3301 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3302 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3303 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3304 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3305 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3306 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3307 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3308 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3309 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3310 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3311 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3312 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3313 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3314 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3315 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3316 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3317 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3318 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3319 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3320 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3322 def ATOMIC_SWAP_I8 : PseudoInst<
3323 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3324 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3325 def ATOMIC_SWAP_I16 : PseudoInst<
3326 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3327 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3328 def ATOMIC_SWAP_I32 : PseudoInst<
3329 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3330 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3332 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3333 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3334 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3335 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3336 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3337 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3338 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3339 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3340 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3344 let mayLoad = 1 in {
3345 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3346 "ldrexb", "\t$Rt, $addr", []>;
3347 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3348 "ldrexh", "\t$Rt, $addr", []>;
3349 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3350 "ldrex", "\t$Rt, $addr", []>;
3351 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3352 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3355 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3356 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3357 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3358 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3359 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3360 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3361 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3362 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3363 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3364 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3367 // Clear-Exclusive is for disassembly only.
3368 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3369 [/* For disassembly only; pattern left blank */]>,
3370 Requires<[IsARM, HasV7]> {
3371 let Inst{31-0} = 0b11110101011111111111000000011111;
3374 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3375 let mayLoad = 1 in {
3376 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3377 [/* For disassembly only; pattern left blank */]>;
3378 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3379 [/* For disassembly only; pattern left blank */]>;
3382 //===----------------------------------------------------------------------===//
3383 // Coprocessor Instructions.
3386 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3387 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3388 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3389 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3390 imm:$CRm, imm:$opc2)]> {
3398 let Inst{3-0} = CRm;
3400 let Inst{7-5} = opc2;
3401 let Inst{11-8} = cop;
3402 let Inst{15-12} = CRd;
3403 let Inst{19-16} = CRn;
3404 let Inst{23-20} = opc1;
3407 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3408 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3409 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3410 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3411 imm:$CRm, imm:$opc2)]> {
3412 let Inst{31-28} = 0b1111;
3420 let Inst{3-0} = CRm;
3422 let Inst{7-5} = opc2;
3423 let Inst{11-8} = cop;
3424 let Inst{15-12} = CRd;
3425 let Inst{19-16} = CRn;
3426 let Inst{23-20} = opc1;
3429 class ACI<dag oops, dag iops, string opc, string asm,
3430 IndexMode im = IndexModeNone>
3431 : InoP<oops, iops, AddrModeNone, Size4Bytes, im, BrFrm, NoItinerary,
3432 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3433 let Inst{27-25} = 0b110;
3436 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3438 def _OFFSET : ACI<(outs),
3439 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3440 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3441 let Inst{31-28} = op31_28;
3442 let Inst{24} = 1; // P = 1
3443 let Inst{21} = 0; // W = 0
3444 let Inst{22} = 0; // D = 0
3445 let Inst{20} = load;
3448 def _PRE : ACI<(outs),
3449 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3450 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3451 let Inst{31-28} = op31_28;
3452 let Inst{24} = 1; // P = 1
3453 let Inst{21} = 1; // W = 1
3454 let Inst{22} = 0; // D = 0
3455 let Inst{20} = load;
3458 def _POST : ACI<(outs),
3459 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3460 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3461 let Inst{31-28} = op31_28;
3462 let Inst{24} = 0; // P = 0
3463 let Inst{21} = 1; // W = 1
3464 let Inst{22} = 0; // D = 0
3465 let Inst{20} = load;
3468 def _OPTION : ACI<(outs),
3469 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3471 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3472 let Inst{31-28} = op31_28;
3473 let Inst{24} = 0; // P = 0
3474 let Inst{23} = 1; // U = 1
3475 let Inst{21} = 0; // W = 0
3476 let Inst{22} = 0; // D = 0
3477 let Inst{20} = load;
3480 def L_OFFSET : ACI<(outs),
3481 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3482 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3483 let Inst{31-28} = op31_28;
3484 let Inst{24} = 1; // P = 1
3485 let Inst{21} = 0; // W = 0
3486 let Inst{22} = 1; // D = 1
3487 let Inst{20} = load;
3490 def L_PRE : ACI<(outs),
3491 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3492 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3494 let Inst{31-28} = op31_28;
3495 let Inst{24} = 1; // P = 1
3496 let Inst{21} = 1; // W = 1
3497 let Inst{22} = 1; // D = 1
3498 let Inst{20} = load;
3501 def L_POST : ACI<(outs),
3502 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3503 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3505 let Inst{31-28} = op31_28;
3506 let Inst{24} = 0; // P = 0
3507 let Inst{21} = 1; // W = 1
3508 let Inst{22} = 1; // D = 1
3509 let Inst{20} = load;
3512 def L_OPTION : ACI<(outs),
3513 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3515 !strconcat(!strconcat(opc, "l"), cond),
3516 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3517 let Inst{31-28} = op31_28;
3518 let Inst{24} = 0; // P = 0
3519 let Inst{23} = 1; // U = 1
3520 let Inst{21} = 0; // W = 0
3521 let Inst{22} = 1; // D = 1
3522 let Inst{20} = load;
3526 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3527 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3528 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3529 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3531 //===----------------------------------------------------------------------===//
3532 // Move between coprocessor and ARM core register -- for disassembly only
3535 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3537 : ABI<0b1110, oops, iops, NoItinerary, opc,
3538 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3539 let Inst{20} = direction;
3549 let Inst{15-12} = Rt;
3550 let Inst{11-8} = cop;
3551 let Inst{23-21} = opc1;
3552 let Inst{7-5} = opc2;
3553 let Inst{3-0} = CRm;
3554 let Inst{19-16} = CRn;
3557 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3559 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3560 c_imm:$CRm, i32imm:$opc2),
3561 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3562 imm:$CRm, imm:$opc2)]>;
3563 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3565 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3568 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3569 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3571 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3573 : ABXI<0b1110, oops, iops, NoItinerary,
3574 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3575 let Inst{31-28} = 0b1111;
3576 let Inst{20} = direction;
3586 let Inst{15-12} = Rt;
3587 let Inst{11-8} = cop;
3588 let Inst{23-21} = opc1;
3589 let Inst{7-5} = opc2;
3590 let Inst{3-0} = CRm;
3591 let Inst{19-16} = CRn;
3594 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3596 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3597 c_imm:$CRm, i32imm:$opc2),
3598 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3599 imm:$CRm, imm:$opc2)]>;
3600 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3602 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3605 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3606 imm:$CRm, imm:$opc2),
3607 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3609 class MovRRCopro<string opc, bit direction,
3610 list<dag> pattern = [/* For disassembly only */]>
3611 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3612 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3613 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3614 let Inst{23-21} = 0b010;
3615 let Inst{20} = direction;
3623 let Inst{15-12} = Rt;
3624 let Inst{19-16} = Rt2;
3625 let Inst{11-8} = cop;
3626 let Inst{7-4} = opc1;
3627 let Inst{3-0} = CRm;
3630 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3631 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3633 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3635 class MovRRCopro2<string opc, bit direction,
3636 list<dag> pattern = [/* For disassembly only */]>
3637 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3638 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3639 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3640 let Inst{31-28} = 0b1111;
3641 let Inst{23-21} = 0b010;
3642 let Inst{20} = direction;
3650 let Inst{15-12} = Rt;
3651 let Inst{19-16} = Rt2;
3652 let Inst{11-8} = cop;
3653 let Inst{7-4} = opc1;
3654 let Inst{3-0} = CRm;
3657 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3658 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3660 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3662 //===----------------------------------------------------------------------===//
3663 // Move between special register and ARM core register -- for disassembly only
3666 // Move to ARM core register from Special Register
3667 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3668 [/* For disassembly only; pattern left blank */]> {
3670 let Inst{23-16} = 0b00001111;
3671 let Inst{15-12} = Rd;
3672 let Inst{7-4} = 0b0000;
3675 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3676 [/* For disassembly only; pattern left blank */]> {
3678 let Inst{23-16} = 0b01001111;
3679 let Inst{15-12} = Rd;
3680 let Inst{7-4} = 0b0000;
3683 // Move from ARM core register to Special Register
3685 // No need to have both system and application versions, the encodings are the
3686 // same and the assembly parser has no way to distinguish between them. The mask
3687 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3688 // the mask with the fields to be accessed in the special register.
3689 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3690 "msr", "\t$mask, $Rn",
3691 [/* For disassembly only; pattern left blank */]> {
3696 let Inst{22} = mask{4}; // R bit
3697 let Inst{21-20} = 0b10;
3698 let Inst{19-16} = mask{3-0};
3699 let Inst{15-12} = 0b1111;
3700 let Inst{11-4} = 0b00000000;
3704 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3705 "msr", "\t$mask, $a",
3706 [/* For disassembly only; pattern left blank */]> {
3711 let Inst{22} = mask{4}; // R bit
3712 let Inst{21-20} = 0b10;
3713 let Inst{19-16} = mask{3-0};
3714 let Inst{15-12} = 0b1111;
3718 //===----------------------------------------------------------------------===//
3722 // __aeabi_read_tp preserves the registers r1-r3.
3723 // This is a pseudo inst so that we can get the encoding right,
3724 // complete with fixup for the aeabi_read_tp function.
3726 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3727 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3728 [(set R0, ARMthread_pointer)]>;
3731 //===----------------------------------------------------------------------===//
3732 // SJLJ Exception handling intrinsics
3733 // eh_sjlj_setjmp() is an instruction sequence to store the return
3734 // address and save #0 in R0 for the non-longjmp case.
3735 // Since by its nature we may be coming from some other function to get
3736 // here, and we're using the stack frame for the containing function to
3737 // save/restore registers, we can't keep anything live in regs across
3738 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3739 // when we get here from a longjmp(). We force everything out of registers
3740 // except for our own input by listing the relevant registers in Defs. By
3741 // doing so, we also cause the prologue/epilogue code to actively preserve
3742 // all of the callee-saved resgisters, which is exactly what we want.
3743 // A constant value is passed in $val, and we use the location as a scratch.
3745 // These are pseudo-instructions and are lowered to individual MC-insts, so
3746 // no encoding information is necessary.
3748 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR,
3749 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
3750 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3752 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3753 Requires<[IsARM, HasVFP2]>;
3757 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3758 hasSideEffects = 1, isBarrier = 1 in {
3759 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3761 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3762 Requires<[IsARM, NoVFP]>;
3765 // FIXME: Non-Darwin version(s)
3766 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3767 Defs = [ R7, LR, SP ] in {
3768 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3770 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3771 Requires<[IsARM, IsDarwin]>;
3774 // eh.sjlj.dispatchsetup pseudo-instruction.
3775 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3776 // handled when the pseudo is expanded (which happens before any passes
3777 // that need the instruction size).
3778 let isBarrier = 1, hasSideEffects = 1 in
3779 def Int_eh_sjlj_dispatchsetup :
3780 PseudoInst<(outs), (ins), NoItinerary,
3781 [(ARMeh_sjlj_dispatchsetup)]>,
3782 Requires<[IsDarwin]>;
3784 //===----------------------------------------------------------------------===//
3785 // Non-Instruction Patterns
3788 // Large immediate handling.
3790 // 32-bit immediate using two piece so_imms or movw + movt.
3791 // This is a single pseudo instruction, the benefit is that it can be remat'd
3792 // as a single unit instead of having to handle reg inputs.
3793 // FIXME: Remove this when we can do generalized remat.
3794 let isReMaterializable = 1, isMoveImm = 1 in
3795 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3796 [(set GPR:$dst, (arm_i32imm:$src))]>,
3799 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3800 // It also makes it possible to rematerialize the instructions.
3801 // FIXME: Remove this when we can do generalized remat and when machine licm
3802 // can properly the instructions.
3803 let isReMaterializable = 1 in {
3804 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3806 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3807 Requires<[IsARM, UseMovt]>;
3809 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3811 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3812 Requires<[IsARM, UseMovt]>;
3814 let AddedComplexity = 10 in
3815 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3817 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3818 Requires<[IsARM, UseMovt]>;
3819 } // isReMaterializable
3821 // ConstantPool, GlobalAddress, and JumpTable
3822 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3823 Requires<[IsARM, DontUseMovt]>;
3824 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3825 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3826 Requires<[IsARM, UseMovt]>;
3827 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3828 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3830 // TODO: add,sub,and, 3-instr forms?
3833 def : ARMPat<(ARMtcret tcGPR:$dst),
3834 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3836 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3837 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3839 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3840 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3842 def : ARMPat<(ARMtcret tcGPR:$dst),
3843 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3845 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3846 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3848 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3849 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3852 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3853 Requires<[IsARM, IsNotDarwin]>;
3854 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3855 Requires<[IsARM, IsDarwin]>;
3857 // zextload i1 -> zextload i8
3858 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3859 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3861 // extload -> zextload
3862 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3863 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3864 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3865 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3867 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3869 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3870 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3873 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3874 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3875 (SMULBB GPR:$a, GPR:$b)>;
3876 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3877 (SMULBB GPR:$a, GPR:$b)>;
3878 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3879 (sra GPR:$b, (i32 16))),
3880 (SMULBT GPR:$a, GPR:$b)>;
3881 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3882 (SMULBT GPR:$a, GPR:$b)>;
3883 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3884 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3885 (SMULTB GPR:$a, GPR:$b)>;
3886 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3887 (SMULTB GPR:$a, GPR:$b)>;
3888 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3890 (SMULWB GPR:$a, GPR:$b)>;
3891 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3892 (SMULWB GPR:$a, GPR:$b)>;
3894 def : ARMV5TEPat<(add GPR:$acc,
3895 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3896 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3897 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3898 def : ARMV5TEPat<(add GPR:$acc,
3899 (mul sext_16_node:$a, sext_16_node:$b)),
3900 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3901 def : ARMV5TEPat<(add GPR:$acc,
3902 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3903 (sra GPR:$b, (i32 16)))),
3904 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3905 def : ARMV5TEPat<(add GPR:$acc,
3906 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3907 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3908 def : ARMV5TEPat<(add GPR:$acc,
3909 (mul (sra GPR:$a, (i32 16)),
3910 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3911 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3912 def : ARMV5TEPat<(add GPR:$acc,
3913 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3914 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3915 def : ARMV5TEPat<(add GPR:$acc,
3916 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3918 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3919 def : ARMV5TEPat<(add GPR:$acc,
3920 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3921 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3924 // Pre-v7 uses MCR for synchronization barriers.
3925 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
3926 Requires<[IsARM, HasV6]>;
3929 //===----------------------------------------------------------------------===//
3933 include "ARMInstrThumb.td"
3935 //===----------------------------------------------------------------------===//
3939 include "ARMInstrThumb2.td"
3941 //===----------------------------------------------------------------------===//
3942 // Floating Point Support
3945 include "ARMInstrVFP.td"
3947 //===----------------------------------------------------------------------===//
3948 // Advanced SIMD (NEON) Support
3951 include "ARMInstrNEON.td"