1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisInt<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:$addr, i32imm);
580 let EncoderMethod = "getAddrMode6AddressOpValue";
583 def am6offset : Operand<i32>,
584 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
585 [], [SDNPWantRoot]> {
586 let PrintMethod = "printAddrMode6OffsetOperand";
587 let MIOperandInfo = (ops GPR);
588 let EncoderMethod = "getAddrMode6OffsetOpValue";
591 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
592 // (single element from one lane) for size 32.
593 def addrmode6oneL32 : Operand<i32>,
594 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
595 let PrintMethod = "printAddrMode6Operand";
596 let MIOperandInfo = (ops GPR:$addr, i32imm);
597 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
600 // Special version of addrmode6 to handle alignment encoding for VLD-dup
601 // instructions, specifically VLD4-dup.
602 def addrmode6dup : Operand<i32>,
603 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
604 let PrintMethod = "printAddrMode6Operand";
605 let MIOperandInfo = (ops GPR:$addr, i32imm);
606 let EncoderMethod = "getAddrMode6DupAddressOpValue";
609 // addrmodepc := pc + reg
611 def addrmodepc : Operand<i32>,
612 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
613 let PrintMethod = "printAddrModePCOperand";
614 let MIOperandInfo = (ops GPR, i32imm);
617 def MemMode7AsmOperand : AsmOperandClass {
618 let Name = "MemMode7";
619 let SuperClasses = [];
623 // Used by load/store exclusive instructions. Useful to enable right assembly
624 // parsing and printing. Not used for any codegen matching.
626 def addrmode7 : Operand<i32> {
627 let PrintMethod = "printAddrMode7Operand";
628 let MIOperandInfo = (ops GPR);
629 let ParserMatchClass = MemMode7AsmOperand;
632 def nohash_imm : Operand<i32> {
633 let PrintMethod = "printNoHashImmediate";
636 def CoprocNumAsmOperand : AsmOperandClass {
637 let Name = "CoprocNum";
638 let SuperClasses = [];
639 let ParserMethod = "tryParseCoprocNumOperand";
642 def CoprocRegAsmOperand : AsmOperandClass {
643 let Name = "CoprocReg";
644 let SuperClasses = [];
645 let ParserMethod = "tryParseCoprocRegOperand";
648 def p_imm : Operand<i32> {
649 let PrintMethod = "printPImmediate";
650 let ParserMatchClass = CoprocNumAsmOperand;
653 def c_imm : Operand<i32> {
654 let PrintMethod = "printCImmediate";
655 let ParserMatchClass = CoprocRegAsmOperand;
658 //===----------------------------------------------------------------------===//
660 include "ARMInstrFormats.td"
662 //===----------------------------------------------------------------------===//
663 // Multiclass helpers...
666 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
667 /// binop that produces a value.
668 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
669 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
670 PatFrag opnode, bit Commutable = 0> {
671 // The register-immediate version is re-materializable. This is useful
672 // in particular for taking the address of a local.
673 let isReMaterializable = 1 in {
674 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
675 iii, opc, "\t$Rd, $Rn, $imm",
676 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
681 let Inst{19-16} = Rn;
682 let Inst{15-12} = Rd;
683 let Inst{11-0} = imm;
686 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
687 iir, opc, "\t$Rd, $Rn, $Rm",
688 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
693 let isCommutable = Commutable;
694 let Inst{19-16} = Rn;
695 let Inst{15-12} = Rd;
696 let Inst{11-4} = 0b00000000;
699 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
700 iis, opc, "\t$Rd, $Rn, $shift",
701 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
706 let Inst{19-16} = Rn;
707 let Inst{15-12} = Rd;
708 let Inst{11-0} = shift;
712 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
713 /// instruction modifies the CPSR register.
714 let isCodeGenOnly = 1, Defs = [CPSR] in {
715 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
716 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
717 PatFrag opnode, bit Commutable = 0> {
718 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
719 iii, opc, "\t$Rd, $Rn, $imm",
720 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
726 let Inst{19-16} = Rn;
727 let Inst{15-12} = Rd;
728 let Inst{11-0} = imm;
730 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
731 iir, opc, "\t$Rd, $Rn, $Rm",
732 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
736 let isCommutable = Commutable;
739 let Inst{19-16} = Rn;
740 let Inst{15-12} = Rd;
741 let Inst{11-4} = 0b00000000;
744 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
745 iis, opc, "\t$Rd, $Rn, $shift",
746 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
752 let Inst{19-16} = Rn;
753 let Inst{15-12} = Rd;
754 let Inst{11-0} = shift;
759 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
760 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
761 /// a explicit result, only implicitly set CPSR.
762 let isCompare = 1, Defs = [CPSR] in {
763 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
764 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
765 PatFrag opnode, bit Commutable = 0> {
766 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
768 [(opnode GPR:$Rn, so_imm:$imm)]> {
773 let Inst{19-16} = Rn;
774 let Inst{15-12} = 0b0000;
775 let Inst{11-0} = imm;
777 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
779 [(opnode GPR:$Rn, GPR:$Rm)]> {
782 let isCommutable = Commutable;
785 let Inst{19-16} = Rn;
786 let Inst{15-12} = 0b0000;
787 let Inst{11-4} = 0b00000000;
790 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
791 opc, "\t$Rn, $shift",
792 [(opnode GPR:$Rn, so_reg:$shift)]> {
797 let Inst{19-16} = Rn;
798 let Inst{15-12} = 0b0000;
799 let Inst{11-0} = shift;
804 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
805 /// register and one whose operand is a register rotated by 8/16/24.
806 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
807 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
808 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
809 IIC_iEXTr, opc, "\t$Rd, $Rm",
810 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
811 Requires<[IsARM, HasV6]> {
814 let Inst{19-16} = 0b1111;
815 let Inst{15-12} = Rd;
816 let Inst{11-10} = 0b00;
819 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
820 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
821 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
822 Requires<[IsARM, HasV6]> {
826 let Inst{19-16} = 0b1111;
827 let Inst{15-12} = Rd;
828 let Inst{11-10} = rot;
833 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
834 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
835 IIC_iEXTr, opc, "\t$Rd, $Rm",
836 [/* For disassembly only; pattern left blank */]>,
837 Requires<[IsARM, HasV6]> {
838 let Inst{19-16} = 0b1111;
839 let Inst{11-10} = 0b00;
841 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
842 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
843 [/* For disassembly only; pattern left blank */]>,
844 Requires<[IsARM, HasV6]> {
846 let Inst{19-16} = 0b1111;
847 let Inst{11-10} = rot;
851 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
852 /// register and one whose operand is a register rotated by 8/16/24.
853 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
854 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
855 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
856 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
857 Requires<[IsARM, HasV6]> {
861 let Inst{19-16} = Rn;
862 let Inst{15-12} = Rd;
863 let Inst{11-10} = 0b00;
864 let Inst{9-4} = 0b000111;
867 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
869 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
870 [(set GPR:$Rd, (opnode GPR:$Rn,
871 (rotr GPR:$Rm, rot_imm:$rot)))]>,
872 Requires<[IsARM, HasV6]> {
877 let Inst{19-16} = Rn;
878 let Inst{15-12} = Rd;
879 let Inst{11-10} = rot;
880 let Inst{9-4} = 0b000111;
885 // For disassembly only.
886 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
887 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
888 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
889 [/* For disassembly only; pattern left blank */]>,
890 Requires<[IsARM, HasV6]> {
891 let Inst{11-10} = 0b00;
893 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
895 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
896 [/* For disassembly only; pattern left blank */]>,
897 Requires<[IsARM, HasV6]> {
900 let Inst{19-16} = Rn;
901 let Inst{11-10} = rot;
905 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
906 let Uses = [CPSR] in {
907 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
908 bit Commutable = 0> {
909 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
910 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
911 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
917 let Inst{15-12} = Rd;
918 let Inst{19-16} = Rn;
919 let Inst{11-0} = imm;
921 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
922 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
923 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
928 let Inst{11-4} = 0b00000000;
930 let isCommutable = Commutable;
932 let Inst{15-12} = Rd;
933 let Inst{19-16} = Rn;
935 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
936 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
937 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
943 let Inst{11-0} = shift;
944 let Inst{15-12} = Rd;
945 let Inst{19-16} = Rn;
950 // Carry setting variants
951 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
952 let usesCustomInserter = 1 in {
953 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
954 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
955 Size4Bytes, IIC_iALUi,
956 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
957 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
958 Size4Bytes, IIC_iALUr,
959 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
960 let isCommutable = Commutable;
962 def rs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
963 Size4Bytes, IIC_iALUsr,
964 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>;
968 let canFoldAsLoad = 1, isReMaterializable = 1 in {
969 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
970 InstrItinClass iir, PatFrag opnode> {
971 // Note: We use the complex addrmode_imm12 rather than just an input
972 // GPR and a constrained immediate so that we can use this to match
973 // frame index references and avoid matching constant pool references.
974 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
975 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
976 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
979 let Inst{23} = addr{12}; // U (add = ('U' == 1))
980 let Inst{19-16} = addr{16-13}; // Rn
981 let Inst{15-12} = Rt;
982 let Inst{11-0} = addr{11-0}; // imm12
984 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
985 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
986 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
989 let shift{4} = 0; // Inst{4} = 0
990 let Inst{23} = shift{12}; // U (add = ('U' == 1))
991 let Inst{19-16} = shift{16-13}; // Rn
992 let Inst{15-12} = Rt;
993 let Inst{11-0} = shift{11-0};
998 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
999 InstrItinClass iir, PatFrag opnode> {
1000 // Note: We use the complex addrmode_imm12 rather than just an input
1001 // GPR and a constrained immediate so that we can use this to match
1002 // frame index references and avoid matching constant pool references.
1003 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1004 (ins GPR:$Rt, addrmode_imm12:$addr),
1005 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1006 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1009 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1010 let Inst{19-16} = addr{16-13}; // Rn
1011 let Inst{15-12} = Rt;
1012 let Inst{11-0} = addr{11-0}; // imm12
1014 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1015 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1016 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1019 let shift{4} = 0; // Inst{4} = 0
1020 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1021 let Inst{19-16} = shift{16-13}; // Rn
1022 let Inst{15-12} = Rt;
1023 let Inst{11-0} = shift{11-0};
1026 //===----------------------------------------------------------------------===//
1028 //===----------------------------------------------------------------------===//
1030 //===----------------------------------------------------------------------===//
1031 // Miscellaneous Instructions.
1034 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1035 /// the function. The first operand is the ID# for this instruction, the second
1036 /// is the index into the MachineConstantPool that this is, the third is the
1037 /// size in bytes of this constant pool entry.
1038 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1039 def CONSTPOOL_ENTRY :
1040 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1041 i32imm:$size), NoItinerary, []>;
1043 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1044 // from removing one half of the matched pairs. That breaks PEI, which assumes
1045 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1046 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1047 def ADJCALLSTACKUP :
1048 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1049 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1051 def ADJCALLSTACKDOWN :
1052 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1053 [(ARMcallseq_start timm:$amt)]>;
1056 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1057 [/* For disassembly only; pattern left blank */]>,
1058 Requires<[IsARM, HasV6T2]> {
1059 let Inst{27-16} = 0b001100100000;
1060 let Inst{15-8} = 0b11110000;
1061 let Inst{7-0} = 0b00000000;
1064 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1065 [/* For disassembly only; pattern left blank */]>,
1066 Requires<[IsARM, HasV6T2]> {
1067 let Inst{27-16} = 0b001100100000;
1068 let Inst{15-8} = 0b11110000;
1069 let Inst{7-0} = 0b00000001;
1072 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1073 [/* For disassembly only; pattern left blank */]>,
1074 Requires<[IsARM, HasV6T2]> {
1075 let Inst{27-16} = 0b001100100000;
1076 let Inst{15-8} = 0b11110000;
1077 let Inst{7-0} = 0b00000010;
1080 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1081 [/* For disassembly only; pattern left blank */]>,
1082 Requires<[IsARM, HasV6T2]> {
1083 let Inst{27-16} = 0b001100100000;
1084 let Inst{15-8} = 0b11110000;
1085 let Inst{7-0} = 0b00000011;
1088 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1090 [/* For disassembly only; pattern left blank */]>,
1091 Requires<[IsARM, HasV6]> {
1096 let Inst{15-12} = Rd;
1097 let Inst{19-16} = Rn;
1098 let Inst{27-20} = 0b01101000;
1099 let Inst{7-4} = 0b1011;
1100 let Inst{11-8} = 0b1111;
1103 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1104 [/* For disassembly only; pattern left blank */]>,
1105 Requires<[IsARM, HasV6T2]> {
1106 let Inst{27-16} = 0b001100100000;
1107 let Inst{15-8} = 0b11110000;
1108 let Inst{7-0} = 0b00000100;
1111 // The i32imm operand $val can be used by a debugger to store more information
1112 // about the breakpoint.
1113 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1114 [/* For disassembly only; pattern left blank */]>,
1117 let Inst{3-0} = val{3-0};
1118 let Inst{19-8} = val{15-4};
1119 let Inst{27-20} = 0b00010010;
1120 let Inst{7-4} = 0b0111;
1123 // Change Processor State is a system instruction -- for disassembly and
1125 // FIXME: Since the asm parser has currently no clean way to handle optional
1126 // operands, create 3 versions of the same instruction. Once there's a clean
1127 // framework to represent optional operands, change this behavior.
1128 class CPS<dag iops, string asm_ops>
1129 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1130 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1136 let Inst{31-28} = 0b1111;
1137 let Inst{27-20} = 0b00010000;
1138 let Inst{19-18} = imod;
1139 let Inst{17} = M; // Enabled if mode is set;
1141 let Inst{8-6} = iflags;
1143 let Inst{4-0} = mode;
1147 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1148 "$imod\t$iflags, $mode">;
1149 let mode = 0, M = 0 in
1150 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1152 let imod = 0, iflags = 0, M = 1 in
1153 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1155 // Preload signals the memory system of possible future data/instruction access.
1156 // These are for disassembly only.
1157 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1159 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1160 !strconcat(opc, "\t$addr"),
1161 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1164 let Inst{31-26} = 0b111101;
1165 let Inst{25} = 0; // 0 for immediate form
1166 let Inst{24} = data;
1167 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1168 let Inst{22} = read;
1169 let Inst{21-20} = 0b01;
1170 let Inst{19-16} = addr{16-13}; // Rn
1171 let Inst{15-12} = 0b1111;
1172 let Inst{11-0} = addr{11-0}; // imm12
1175 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1176 !strconcat(opc, "\t$shift"),
1177 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1179 let Inst{31-26} = 0b111101;
1180 let Inst{25} = 1; // 1 for register form
1181 let Inst{24} = data;
1182 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1183 let Inst{22} = read;
1184 let Inst{21-20} = 0b01;
1185 let Inst{19-16} = shift{16-13}; // Rn
1186 let Inst{15-12} = 0b1111;
1187 let Inst{11-0} = shift{11-0};
1191 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1192 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1193 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1195 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1197 [/* For disassembly only; pattern left blank */]>,
1200 let Inst{31-10} = 0b1111000100000001000000;
1205 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1206 [/* For disassembly only; pattern left blank */]>,
1207 Requires<[IsARM, HasV7]> {
1209 let Inst{27-4} = 0b001100100000111100001111;
1210 let Inst{3-0} = opt;
1213 // A5.4 Permanently UNDEFINED instructions.
1214 let isBarrier = 1, isTerminator = 1 in
1215 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1218 let Inst = 0xe7ffdefe;
1221 // Address computation and loads and stores in PIC mode.
1222 let isNotDuplicable = 1 in {
1223 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1224 Size4Bytes, IIC_iALUr,
1225 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1227 let AddedComplexity = 10 in {
1228 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1229 Size4Bytes, IIC_iLoad_r,
1230 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1232 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1233 Size4Bytes, IIC_iLoad_bh_r,
1234 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1236 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1237 Size4Bytes, IIC_iLoad_bh_r,
1238 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1240 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1241 Size4Bytes, IIC_iLoad_bh_r,
1242 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1244 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1245 Size4Bytes, IIC_iLoad_bh_r,
1246 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1248 let AddedComplexity = 10 in {
1249 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1250 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1252 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1253 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1254 addrmodepc:$addr)]>;
1256 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1257 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1259 } // isNotDuplicable = 1
1262 // LEApcrel - Load a pc-relative address into a register without offending the
1264 let neverHasSideEffects = 1, isReMaterializable = 1 in
1265 // The 'adr' mnemonic encodes differently if the label is before or after
1266 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1267 // know until then which form of the instruction will be used.
1268 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1269 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1272 let Inst{27-25} = 0b001;
1274 let Inst{19-16} = 0b1111;
1275 let Inst{15-12} = Rd;
1276 let Inst{11-0} = label;
1278 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1279 Size4Bytes, IIC_iALUi, []>;
1281 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1282 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1283 Size4Bytes, IIC_iALUi, []>;
1285 //===----------------------------------------------------------------------===//
1286 // Control Flow Instructions.
1289 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1291 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1292 "bx", "\tlr", [(ARMretflag)]>,
1293 Requires<[IsARM, HasV4T]> {
1294 let Inst{27-0} = 0b0001001011111111111100011110;
1298 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1299 "mov", "\tpc, lr", [(ARMretflag)]>,
1300 Requires<[IsARM, NoV4T]> {
1301 let Inst{27-0} = 0b0001101000001111000000001110;
1305 // Indirect branches
1306 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1308 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1309 [(brind GPR:$dst)]>,
1310 Requires<[IsARM, HasV4T]> {
1312 let Inst{31-4} = 0b1110000100101111111111110001;
1313 let Inst{3-0} = dst;
1316 // For disassembly only.
1317 def BX_pred : AXI<(outs), (ins GPR:$dst, pred:$p), BrMiscFrm, IIC_Br,
1318 "bx$p\t$dst", [/* pattern left blank */]>,
1319 Requires<[IsARM, HasV4T]> {
1321 let Inst{27-4} = 0b000100101111111111110001;
1322 let Inst{3-0} = dst;
1326 // FIXME: We would really like to define this as a vanilla ARMPat like:
1327 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1328 // With that, however, we can't set isBranch, isTerminator, etc..
1329 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1330 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1331 Requires<[IsARM, NoV4T]>;
1334 // All calls clobber the non-callee saved registers. SP is marked as
1335 // a use to prevent stack-pointer assignments that appear immediately
1336 // before calls from potentially appearing dead.
1338 // On non-Darwin platforms R9 is callee-saved.
1339 // FIXME: Do we really need a non-predicated version? If so, it should
1340 // at least be a pseudo instruction expanding to the predicated version
1341 // at MC lowering time.
1342 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1344 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1345 IIC_Br, "bl\t$func",
1346 [(ARMcall tglobaladdr:$func)]>,
1347 Requires<[IsARM, IsNotDarwin]> {
1348 let Inst{31-28} = 0b1110;
1350 let Inst{23-0} = func;
1353 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1354 IIC_Br, "bl", "\t$func",
1355 [(ARMcall_pred tglobaladdr:$func)]>,
1356 Requires<[IsARM, IsNotDarwin]> {
1358 let Inst{23-0} = func;
1362 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1363 IIC_Br, "blx\t$func",
1364 [(ARMcall GPR:$func)]>,
1365 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1367 let Inst{31-4} = 0b1110000100101111111111110011;
1368 let Inst{3-0} = func;
1371 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1372 IIC_Br, "blx", "\t$func",
1373 [(ARMcall_pred GPR:$func)]>,
1374 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1376 let Inst{27-4} = 0b000100101111111111110011;
1377 let Inst{3-0} = func;
1381 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1382 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1383 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1384 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1387 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1388 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1389 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1393 // On Darwin R9 is call-clobbered.
1394 // R7 is marked as a use to prevent frame-pointer assignments from being
1395 // moved above / below calls.
1396 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1397 Uses = [R7, SP] in {
1398 def BLr9 : ARMPseudoInst<(outs), (ins bltarget:$func, variable_ops),
1400 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
1402 def BLr9_pred : ARMPseudoInst<(outs),
1403 (ins bltarget:$func, pred:$p, variable_ops),
1405 [(ARMcall_pred tglobaladdr:$func)]>,
1406 Requires<[IsARM, IsDarwin]>;
1409 def BLXr9 : ARMPseudoInst<(outs), (ins GPR:$func, variable_ops),
1411 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]>;
1413 def BLXr9_pred: ARMPseudoInst<(outs), (ins GPR:$func, pred:$p, variable_ops),
1415 [(ARMcall_pred GPR:$func)]>,
1416 Requires<[IsARM, HasV5T, IsDarwin]>;
1419 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1420 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1421 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1422 Requires<[IsARM, HasV4T, IsDarwin]>;
1425 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1426 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1427 Requires<[IsARM, NoV4T, IsDarwin]>;
1432 // FIXME: The Thumb versions of these should live in ARMInstrThumb.td
1433 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1435 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1437 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1438 IIC_Br, []>, Requires<[IsDarwin]>;
1440 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1441 IIC_Br, []>, Requires<[IsDarwin]>;
1443 def TAILJMPd : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1445 []>, Requires<[IsARM, IsDarwin]>;
1447 def tTAILJMPd: tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1449 []>, Requires<[IsThumb, IsDarwin]>;
1451 def TAILJMPr : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1453 []>, Requires<[IsARM, IsDarwin]>;
1455 def tTAILJMPr : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1457 []>, Requires<[IsThumb, IsDarwin]>;
1460 // Non-Darwin versions (the difference is R9).
1461 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1463 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1464 IIC_Br, []>, Requires<[IsNotDarwin]>;
1466 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1467 IIC_Br, []>, Requires<[IsNotDarwin]>;
1469 def TAILJMPdND : ARMPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1471 []>, Requires<[IsARM, IsNotDarwin]>;
1473 def tTAILJMPdND : tPseudoInst<(outs), (ins brtarget:$dst, variable_ops),
1475 []>, Requires<[IsThumb, IsNotDarwin]>;
1477 def TAILJMPrND : ARMPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1479 []>, Requires<[IsARM, IsNotDarwin]>;
1480 def tTAILJMPrND : tPseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1482 []>, Requires<[IsThumb, IsNotDarwin]>;
1486 let isBranch = 1, isTerminator = 1 in {
1487 // B is "predicable" since it's just a Bcc with an 'always' condition.
1488 let isBarrier = 1 in {
1489 let isPredicable = 1 in
1490 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1491 // should be sufficient.
1492 def B : ARMPseudoInst<(outs), (ins brtarget:$target), Size4Bytes, IIC_Br,
1495 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1496 def BR_JTr : ARMPseudoInst<(outs),
1497 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1498 SizeSpecial, IIC_Br,
1499 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1500 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1501 // into i12 and rs suffixed versions.
1502 def BR_JTm : ARMPseudoInst<(outs),
1503 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1504 SizeSpecial, IIC_Br,
1505 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1507 def BR_JTadd : ARMPseudoInst<(outs),
1508 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1509 SizeSpecial, IIC_Br,
1510 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1512 } // isNotDuplicable = 1, isIndirectBranch = 1
1515 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1516 // a two-value operand where a dag node expects two operands. :(
1517 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1518 IIC_Br, "b", "\t$target",
1519 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1521 let Inst{23-0} = target;
1525 // BLX (immediate) -- for disassembly only
1526 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1527 "blx\t$target", [/* pattern left blank */]>,
1528 Requires<[IsARM, HasV5T]> {
1529 let Inst{31-25} = 0b1111101;
1531 let Inst{23-0} = target{24-1};
1532 let Inst{24} = target{0};
1535 // Branch and Exchange Jazelle -- for disassembly only
1536 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1537 [/* For disassembly only; pattern left blank */]> {
1538 let Inst{23-20} = 0b0010;
1539 //let Inst{19-8} = 0xfff;
1540 let Inst{7-4} = 0b0010;
1543 // Secure Monitor Call is a system instruction -- for disassembly only
1544 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1545 [/* For disassembly only; pattern left blank */]> {
1547 let Inst{23-4} = 0b01100000000000000111;
1548 let Inst{3-0} = opt;
1551 // Supervisor Call (Software Interrupt) -- for disassembly only
1552 let isCall = 1, Uses = [SP] in {
1553 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1554 [/* For disassembly only; pattern left blank */]> {
1556 let Inst{23-0} = svc;
1559 def : MnemonicAlias<"swi", "svc">;
1561 // Store Return State is a system instruction -- for disassembly only
1562 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1563 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1564 NoItinerary, "srs${amode}\tsp!, $mode",
1565 [/* For disassembly only; pattern left blank */]> {
1566 let Inst{31-28} = 0b1111;
1567 let Inst{22-20} = 0b110; // W = 1
1568 let Inst{19-8} = 0xd05;
1569 let Inst{7-5} = 0b000;
1572 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1573 NoItinerary, "srs${amode}\tsp, $mode",
1574 [/* For disassembly only; pattern left blank */]> {
1575 let Inst{31-28} = 0b1111;
1576 let Inst{22-20} = 0b100; // W = 0
1577 let Inst{19-8} = 0xd05;
1578 let Inst{7-5} = 0b000;
1581 // Return From Exception is a system instruction -- for disassembly only
1582 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1583 NoItinerary, "rfe${amode}\t$base!",
1584 [/* For disassembly only; pattern left blank */]> {
1585 let Inst{31-28} = 0b1111;
1586 let Inst{22-20} = 0b011; // W = 1
1587 let Inst{15-0} = 0x0a00;
1590 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1591 NoItinerary, "rfe${amode}\t$base",
1592 [/* For disassembly only; pattern left blank */]> {
1593 let Inst{31-28} = 0b1111;
1594 let Inst{22-20} = 0b001; // W = 0
1595 let Inst{15-0} = 0x0a00;
1597 } // isCodeGenOnly = 1
1599 //===----------------------------------------------------------------------===//
1600 // Load / store Instructions.
1606 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1607 UnOpFrag<(load node:$Src)>>;
1608 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1609 UnOpFrag<(zextloadi8 node:$Src)>>;
1610 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1611 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1612 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1613 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1615 // Special LDR for loads from non-pc-relative constpools.
1616 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1617 isReMaterializable = 1 in
1618 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1619 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1623 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1624 let Inst{19-16} = 0b1111;
1625 let Inst{15-12} = Rt;
1626 let Inst{11-0} = addr{11-0}; // imm12
1629 // Loads with zero extension
1630 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1631 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1632 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1634 // Loads with sign extension
1635 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1636 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1637 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1639 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1640 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1641 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1643 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1645 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1646 (ins addrmode3:$addr), LdMiscFrm,
1647 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1648 []>, Requires<[IsARM, HasV5TE]>;
1652 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1653 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1654 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1655 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1657 // {13} 1 == Rm, 0 == imm12
1661 let Inst{25} = addr{13};
1662 let Inst{23} = addr{12};
1663 let Inst{19-16} = addr{17-14};
1664 let Inst{11-0} = addr{11-0};
1665 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1667 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1668 (ins GPR:$Rn, am2offset:$offset),
1669 IndexModePost, LdFrm, itin,
1670 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1671 // {13} 1 == Rm, 0 == imm12
1676 let Inst{25} = offset{13};
1677 let Inst{23} = offset{12};
1678 let Inst{19-16} = Rn;
1679 let Inst{11-0} = offset{11-0};
1683 let mayLoad = 1, neverHasSideEffects = 1 in {
1684 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1685 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1688 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1689 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1690 (ins addrmode3:$addr), IndexModePre,
1692 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1694 let Inst{23} = addr{8}; // U bit
1695 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1696 let Inst{19-16} = addr{12-9}; // Rn
1697 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1698 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1700 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1701 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1703 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1706 let Inst{23} = offset{8}; // U bit
1707 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1708 let Inst{19-16} = Rn;
1709 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1710 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1714 let mayLoad = 1, neverHasSideEffects = 1 in {
1715 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1716 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1717 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1718 let hasExtraDefRegAllocReq = 1 in {
1719 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1720 (ins addrmode3:$addr), IndexModePre,
1721 LdMiscFrm, IIC_iLoad_d_ru,
1722 "ldrd", "\t$Rt, $Rt2, $addr!",
1723 "$addr.base = $Rn_wb", []> {
1725 let Inst{23} = addr{8}; // U bit
1726 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1727 let Inst{19-16} = addr{12-9}; // Rn
1728 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1729 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1731 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1732 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1733 LdMiscFrm, IIC_iLoad_d_ru,
1734 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1735 "$Rn = $Rn_wb", []> {
1738 let Inst{23} = offset{8}; // U bit
1739 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1740 let Inst{19-16} = Rn;
1741 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1742 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1744 } // hasExtraDefRegAllocReq = 1
1745 } // mayLoad = 1, neverHasSideEffects = 1
1747 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1748 let mayLoad = 1, neverHasSideEffects = 1 in {
1749 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1750 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1751 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1753 // {13} 1 == Rm, 0 == imm12
1757 let Inst{25} = addr{13};
1758 let Inst{23} = addr{12};
1759 let Inst{21} = 1; // overwrite
1760 let Inst{19-16} = addr{17-14};
1761 let Inst{11-0} = addr{11-0};
1762 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1764 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1765 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1766 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1768 // {13} 1 == Rm, 0 == imm12
1772 let Inst{25} = addr{13};
1773 let Inst{23} = addr{12};
1774 let Inst{21} = 1; // overwrite
1775 let Inst{19-16} = addr{17-14};
1776 let Inst{11-0} = addr{11-0};
1777 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1779 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1780 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1781 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1782 let Inst{21} = 1; // overwrite
1784 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1785 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1786 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1787 let Inst{21} = 1; // overwrite
1789 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1790 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1791 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1792 let Inst{21} = 1; // overwrite
1798 // Stores with truncate
1799 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1800 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1801 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1804 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1805 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1806 StMiscFrm, IIC_iStore_d_r,
1807 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
1810 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1811 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1812 IndexModePre, StFrm, IIC_iStore_ru,
1813 "str", "\t$Rt, [$Rn, $offset]!",
1814 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1816 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1818 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1819 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1820 IndexModePost, StFrm, IIC_iStore_ru,
1821 "str", "\t$Rt, [$Rn], $offset",
1822 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1824 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1826 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1827 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1828 IndexModePre, StFrm, IIC_iStore_bh_ru,
1829 "strb", "\t$Rt, [$Rn, $offset]!",
1830 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1831 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1832 GPR:$Rn, am2offset:$offset))]>;
1833 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1834 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1835 IndexModePost, StFrm, IIC_iStore_bh_ru,
1836 "strb", "\t$Rt, [$Rn], $offset",
1837 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1838 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1839 GPR:$Rn, am2offset:$offset))]>;
1841 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1842 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1843 IndexModePre, StMiscFrm, IIC_iStore_ru,
1844 "strh", "\t$Rt, [$Rn, $offset]!",
1845 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1847 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1849 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1850 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1851 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1852 "strh", "\t$Rt, [$Rn], $offset",
1853 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1854 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1855 GPR:$Rn, am3offset:$offset))]>;
1857 // For disassembly only
1858 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1859 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1860 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1861 StMiscFrm, IIC_iStore_d_ru,
1862 "strd", "\t$src1, $src2, [$base, $offset]!",
1863 "$base = $base_wb", []>;
1865 // For disassembly only
1866 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1867 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1868 StMiscFrm, IIC_iStore_d_ru,
1869 "strd", "\t$src1, $src2, [$base], $offset",
1870 "$base = $base_wb", []>;
1871 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
1873 // STRT, STRBT, and STRHT are for disassembly only.
1875 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1876 IndexModePost, StFrm, IIC_iStore_ru,
1877 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1878 [/* For disassembly only; pattern left blank */]> {
1879 let Inst{21} = 1; // overwrite
1880 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1883 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1884 IndexModePost, StFrm, IIC_iStore_bh_ru,
1885 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1886 [/* For disassembly only; pattern left blank */]> {
1887 let Inst{21} = 1; // overwrite
1888 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1891 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
1892 StMiscFrm, IIC_iStore_bh_ru,
1893 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
1894 [/* For disassembly only; pattern left blank */]> {
1895 let Inst{21} = 1; // overwrite
1896 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
1899 //===----------------------------------------------------------------------===//
1900 // Load / store multiple Instructions.
1903 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1904 InstrItinClass itin, InstrItinClass itin_upd> {
1906 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1907 IndexModeNone, f, itin,
1908 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1909 let Inst{24-23} = 0b01; // Increment After
1910 let Inst{21} = 0; // No writeback
1911 let Inst{20} = L_bit;
1914 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1915 IndexModeUpd, f, itin_upd,
1916 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1917 let Inst{24-23} = 0b01; // Increment After
1918 let Inst{21} = 1; // Writeback
1919 let Inst{20} = L_bit;
1922 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1923 IndexModeNone, f, itin,
1924 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1925 let Inst{24-23} = 0b00; // Decrement After
1926 let Inst{21} = 0; // No writeback
1927 let Inst{20} = L_bit;
1930 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1931 IndexModeUpd, f, itin_upd,
1932 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1933 let Inst{24-23} = 0b00; // Decrement After
1934 let Inst{21} = 1; // Writeback
1935 let Inst{20} = L_bit;
1938 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1939 IndexModeNone, f, itin,
1940 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1941 let Inst{24-23} = 0b10; // Decrement Before
1942 let Inst{21} = 0; // No writeback
1943 let Inst{20} = L_bit;
1946 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1947 IndexModeUpd, f, itin_upd,
1948 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1949 let Inst{24-23} = 0b10; // Decrement Before
1950 let Inst{21} = 1; // Writeback
1951 let Inst{20} = L_bit;
1954 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1955 IndexModeNone, f, itin,
1956 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1957 let Inst{24-23} = 0b11; // Increment Before
1958 let Inst{21} = 0; // No writeback
1959 let Inst{20} = L_bit;
1962 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1963 IndexModeUpd, f, itin_upd,
1964 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1965 let Inst{24-23} = 0b11; // Increment Before
1966 let Inst{21} = 1; // Writeback
1967 let Inst{20} = L_bit;
1971 let neverHasSideEffects = 1 in {
1973 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1974 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1976 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1977 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1979 } // neverHasSideEffects
1981 // Load / Store Multiple Mnemonic Aliases
1982 def : MnemonicAlias<"ldm", "ldmia">;
1983 def : MnemonicAlias<"stm", "stmia">;
1985 // FIXME: remove when we have a way to marking a MI with these properties.
1986 // FIXME: Should pc be an implicit operand like PICADD, etc?
1987 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1988 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1989 def LDMIA_RET : ARMPseudoInst<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1990 reglist:$regs, variable_ops),
1991 Size4Bytes, IIC_iLoad_mBr, []>,
1992 RegConstraint<"$Rn = $wb">;
1994 //===----------------------------------------------------------------------===//
1995 // Move Instructions.
1998 let neverHasSideEffects = 1 in
1999 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2000 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2004 let Inst{19-16} = 0b0000;
2005 let Inst{11-4} = 0b00000000;
2008 let Inst{15-12} = Rd;
2011 // A version for the smaller set of tail call registers.
2012 let neverHasSideEffects = 1 in
2013 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2014 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2018 let Inst{11-4} = 0b00000000;
2021 let Inst{15-12} = Rd;
2024 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
2025 DPSoRegFrm, IIC_iMOVsr,
2026 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
2030 let Inst{15-12} = Rd;
2031 let Inst{19-16} = 0b0000;
2032 let Inst{11-0} = src;
2036 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2037 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2038 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2042 let Inst{15-12} = Rd;
2043 let Inst{19-16} = 0b0000;
2044 let Inst{11-0} = imm;
2047 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2048 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
2050 "movw", "\t$Rd, $imm",
2051 [(set GPR:$Rd, imm0_65535:$imm)]>,
2052 Requires<[IsARM, HasV6T2]>, UnaryDP {
2055 let Inst{15-12} = Rd;
2056 let Inst{11-0} = imm{11-0};
2057 let Inst{19-16} = imm{15-12};
2062 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2063 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2065 let Constraints = "$src = $Rd" in {
2066 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
2068 "movt", "\t$Rd, $imm",
2070 (or (and GPR:$src, 0xffff),
2071 lo16AllZero:$imm))]>, UnaryDP,
2072 Requires<[IsARM, HasV6T2]> {
2075 let Inst{15-12} = Rd;
2076 let Inst{11-0} = imm{11-0};
2077 let Inst{19-16} = imm{15-12};
2082 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2083 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2087 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2088 Requires<[IsARM, HasV6T2]>;
2090 let Uses = [CPSR] in
2091 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2092 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2095 // These aren't really mov instructions, but we have to define them this way
2096 // due to flag operands.
2098 let Defs = [CPSR] in {
2099 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2100 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2102 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2103 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2107 //===----------------------------------------------------------------------===//
2108 // Extend Instructions.
2113 defm SXTB : AI_ext_rrot<0b01101010,
2114 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2115 defm SXTH : AI_ext_rrot<0b01101011,
2116 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2118 defm SXTAB : AI_exta_rrot<0b01101010,
2119 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2120 defm SXTAH : AI_exta_rrot<0b01101011,
2121 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2123 // For disassembly only
2124 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2126 // For disassembly only
2127 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2131 let AddedComplexity = 16 in {
2132 defm UXTB : AI_ext_rrot<0b01101110,
2133 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2134 defm UXTH : AI_ext_rrot<0b01101111,
2135 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2136 defm UXTB16 : AI_ext_rrot<0b01101100,
2137 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2139 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2140 // The transformation should probably be done as a combiner action
2141 // instead so we can include a check for masking back in the upper
2142 // eight bits of the source into the lower eight bits of the result.
2143 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2144 // (UXTB16r_rot GPR:$Src, 24)>;
2145 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2146 (UXTB16r_rot GPR:$Src, 8)>;
2148 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2149 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2150 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2151 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2154 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2155 // For disassembly only
2156 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2159 def SBFX : I<(outs GPR:$Rd),
2160 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2161 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2162 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2163 Requires<[IsARM, HasV6T2]> {
2168 let Inst{27-21} = 0b0111101;
2169 let Inst{6-4} = 0b101;
2170 let Inst{20-16} = width;
2171 let Inst{15-12} = Rd;
2172 let Inst{11-7} = lsb;
2176 def UBFX : I<(outs GPR:$Rd),
2177 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2178 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2179 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2180 Requires<[IsARM, HasV6T2]> {
2185 let Inst{27-21} = 0b0111111;
2186 let Inst{6-4} = 0b101;
2187 let Inst{20-16} = width;
2188 let Inst{15-12} = Rd;
2189 let Inst{11-7} = lsb;
2193 //===----------------------------------------------------------------------===//
2194 // Arithmetic Instructions.
2197 defm ADD : AsI1_bin_irs<0b0100, "add",
2198 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2199 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2200 defm SUB : AsI1_bin_irs<0b0010, "sub",
2201 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2202 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2204 // ADD and SUB with 's' bit set.
2205 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2206 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2207 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2208 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2209 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2210 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2212 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2213 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2214 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2215 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2217 // ADC and SUBC with 's' bit set.
2218 let usesCustomInserter = 1 in {
2219 defm ADCS : AI1_adde_sube_s_irs<
2220 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2221 defm SBCS : AI1_adde_sube_s_irs<
2222 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2225 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2226 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2227 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2232 let Inst{15-12} = Rd;
2233 let Inst{19-16} = Rn;
2234 let Inst{11-0} = imm;
2237 // The reg/reg form is only defined for the disassembler; for codegen it is
2238 // equivalent to SUBrr.
2239 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2240 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2241 [/* For disassembly only; pattern left blank */]> {
2245 let Inst{11-4} = 0b00000000;
2248 let Inst{15-12} = Rd;
2249 let Inst{19-16} = Rn;
2252 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2253 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2254 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2259 let Inst{11-0} = shift;
2260 let Inst{15-12} = Rd;
2261 let Inst{19-16} = Rn;
2264 // RSB with 's' bit set.
2265 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2266 let usesCustomInserter = 1 in {
2267 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2268 Size4Bytes, IIC_iALUi,
2269 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2270 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2271 Size4Bytes, IIC_iALUr,
2272 [/* For disassembly only; pattern left blank */]>;
2273 def RSBSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2274 Size4Bytes, IIC_iALUsr,
2275 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]>;
2278 let Uses = [CPSR] in {
2279 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2280 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2281 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2287 let Inst{15-12} = Rd;
2288 let Inst{19-16} = Rn;
2289 let Inst{11-0} = imm;
2291 // The reg/reg form is only defined for the disassembler; for codegen it is
2292 // equivalent to SUBrr.
2293 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2294 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2295 [/* For disassembly only; pattern left blank */]> {
2299 let Inst{11-4} = 0b00000000;
2302 let Inst{15-12} = Rd;
2303 let Inst{19-16} = Rn;
2305 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2306 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2307 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2313 let Inst{11-0} = shift;
2314 let Inst{15-12} = Rd;
2315 let Inst{19-16} = Rn;
2319 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2320 let usesCustomInserter = 1, Uses = [CPSR] in {
2321 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2322 Size4Bytes, IIC_iALUi,
2323 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2324 def RSCSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2325 Size4Bytes, IIC_iALUsr,
2326 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>;
2329 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2330 // The assume-no-carry-in form uses the negation of the input since add/sub
2331 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2332 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2334 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2335 (SUBri GPR:$src, so_imm_neg:$imm)>;
2336 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2337 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2338 // The with-carry-in form matches bitwise not instead of the negation.
2339 // Effectively, the inverse interpretation of the carry flag already accounts
2340 // for part of the negation.
2341 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2342 (SBCri GPR:$src, so_imm_not:$imm)>;
2343 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2344 (SBCSri GPR:$src, so_imm_not:$imm)>;
2346 // Note: These are implemented in C++ code, because they have to generate
2347 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2349 // (mul X, 2^n+1) -> (add (X << n), X)
2350 // (mul X, 2^n-1) -> (rsb X, (X << n))
2352 // ARM Arithmetic Instruction -- for disassembly only
2353 // GPR:$dst = GPR:$a op GPR:$b
2354 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2355 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2356 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2357 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2361 let Inst{27-20} = op27_20;
2362 let Inst{11-4} = op11_4;
2363 let Inst{19-16} = Rn;
2364 let Inst{15-12} = Rd;
2368 // Saturating add/subtract -- for disassembly only
2370 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2371 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2372 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2373 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2374 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2375 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2376 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2378 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2381 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2382 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2383 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2384 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2385 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2386 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2387 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2388 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2389 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2390 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2391 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2392 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2394 // Signed/Unsigned add/subtract -- for disassembly only
2396 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2397 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2398 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2399 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2400 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2401 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2402 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2403 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2404 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2405 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2406 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2407 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2409 // Signed/Unsigned halving add/subtract -- for disassembly only
2411 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2412 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2413 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2414 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2415 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2416 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2417 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2418 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2419 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2420 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2421 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2422 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2424 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2426 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2427 MulFrm /* for convenience */, NoItinerary, "usad8",
2428 "\t$Rd, $Rn, $Rm", []>,
2429 Requires<[IsARM, HasV6]> {
2433 let Inst{27-20} = 0b01111000;
2434 let Inst{15-12} = 0b1111;
2435 let Inst{7-4} = 0b0001;
2436 let Inst{19-16} = Rd;
2437 let Inst{11-8} = Rm;
2440 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2441 MulFrm /* for convenience */, NoItinerary, "usada8",
2442 "\t$Rd, $Rn, $Rm, $Ra", []>,
2443 Requires<[IsARM, HasV6]> {
2448 let Inst{27-20} = 0b01111000;
2449 let Inst{7-4} = 0b0001;
2450 let Inst{19-16} = Rd;
2451 let Inst{15-12} = Ra;
2452 let Inst{11-8} = Rm;
2456 // Signed/Unsigned saturate -- for disassembly only
2458 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2459 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2460 [/* For disassembly only; pattern left blank */]> {
2465 let Inst{27-21} = 0b0110101;
2466 let Inst{5-4} = 0b01;
2467 let Inst{20-16} = sat_imm;
2468 let Inst{15-12} = Rd;
2469 let Inst{11-7} = sh{7-3};
2470 let Inst{6} = sh{0};
2474 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2475 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2476 [/* For disassembly only; pattern left blank */]> {
2480 let Inst{27-20} = 0b01101010;
2481 let Inst{11-4} = 0b11110011;
2482 let Inst{15-12} = Rd;
2483 let Inst{19-16} = sat_imm;
2487 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2488 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2489 [/* For disassembly only; pattern left blank */]> {
2494 let Inst{27-21} = 0b0110111;
2495 let Inst{5-4} = 0b01;
2496 let Inst{15-12} = Rd;
2497 let Inst{11-7} = sh{7-3};
2498 let Inst{6} = sh{0};
2499 let Inst{20-16} = sat_imm;
2503 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2504 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2505 [/* For disassembly only; pattern left blank */]> {
2509 let Inst{27-20} = 0b01101110;
2510 let Inst{11-4} = 0b11110011;
2511 let Inst{15-12} = Rd;
2512 let Inst{19-16} = sat_imm;
2516 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2517 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2519 //===----------------------------------------------------------------------===//
2520 // Bitwise Instructions.
2523 defm AND : AsI1_bin_irs<0b0000, "and",
2524 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2525 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2526 defm ORR : AsI1_bin_irs<0b1100, "orr",
2527 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2528 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2529 defm EOR : AsI1_bin_irs<0b0001, "eor",
2530 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2531 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2532 defm BIC : AsI1_bin_irs<0b1110, "bic",
2533 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2534 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2536 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2537 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2538 "bfc", "\t$Rd, $imm", "$src = $Rd",
2539 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2540 Requires<[IsARM, HasV6T2]> {
2543 let Inst{27-21} = 0b0111110;
2544 let Inst{6-0} = 0b0011111;
2545 let Inst{15-12} = Rd;
2546 let Inst{11-7} = imm{4-0}; // lsb
2547 let Inst{20-16} = imm{9-5}; // width
2550 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2551 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2552 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2553 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2554 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2555 bf_inv_mask_imm:$imm))]>,
2556 Requires<[IsARM, HasV6T2]> {
2560 let Inst{27-21} = 0b0111110;
2561 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2562 let Inst{15-12} = Rd;
2563 let Inst{11-7} = imm{4-0}; // lsb
2564 let Inst{20-16} = imm{9-5}; // width
2568 // GNU as only supports this form of bfi (w/ 4 arguments)
2569 let isAsmParserOnly = 1 in
2570 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2571 lsb_pos_imm:$lsb, width_imm:$width),
2572 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2573 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2574 []>, Requires<[IsARM, HasV6T2]> {
2579 let Inst{27-21} = 0b0111110;
2580 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2581 let Inst{15-12} = Rd;
2582 let Inst{11-7} = lsb;
2583 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2587 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2588 "mvn", "\t$Rd, $Rm",
2589 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2593 let Inst{19-16} = 0b0000;
2594 let Inst{11-4} = 0b00000000;
2595 let Inst{15-12} = Rd;
2598 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2599 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2600 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2604 let Inst{19-16} = 0b0000;
2605 let Inst{15-12} = Rd;
2606 let Inst{11-0} = shift;
2608 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2609 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2610 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2611 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2615 let Inst{19-16} = 0b0000;
2616 let Inst{15-12} = Rd;
2617 let Inst{11-0} = imm;
2620 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2621 (BICri GPR:$src, so_imm_not:$imm)>;
2623 //===----------------------------------------------------------------------===//
2624 // Multiply Instructions.
2626 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2627 string opc, string asm, list<dag> pattern>
2628 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2632 let Inst{19-16} = Rd;
2633 let Inst{11-8} = Rm;
2636 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2637 string opc, string asm, list<dag> pattern>
2638 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2643 let Inst{19-16} = RdHi;
2644 let Inst{15-12} = RdLo;
2645 let Inst{11-8} = Rm;
2649 let isCommutable = 1 in {
2650 let Constraints = "@earlyclobber $Rd" in
2651 def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2652 pred:$p, cc_out:$s),
2653 Size4Bytes, IIC_iMUL32,
2654 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2655 Requires<[IsARM, NoV6]>;
2657 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2658 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2659 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2660 Requires<[IsARM, HasV6]> {
2661 let Inst{15-12} = 0b0000;
2665 let Constraints = "@earlyclobber $Rd" in
2666 def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
2667 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2668 Size4Bytes, IIC_iMAC32,
2669 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2670 Requires<[IsARM, NoV6]> {
2672 let Inst{15-12} = Ra;
2674 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2675 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2676 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2677 Requires<[IsARM, HasV6]> {
2679 let Inst{15-12} = Ra;
2682 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2683 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2684 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2685 Requires<[IsARM, HasV6T2]> {
2690 let Inst{19-16} = Rd;
2691 let Inst{15-12} = Ra;
2692 let Inst{11-8} = Rm;
2696 // Extra precision multiplies with low / high results
2698 let neverHasSideEffects = 1 in {
2699 let isCommutable = 1 in {
2700 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2701 def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2702 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2703 Size4Bytes, IIC_iMUL64, []>,
2704 Requires<[IsARM, NoV6]>;
2706 def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2707 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2708 Size4Bytes, IIC_iMUL64, []>,
2709 Requires<[IsARM, NoV6]>;
2712 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2713 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2714 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2715 Requires<[IsARM, HasV6]>;
2717 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2718 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2719 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2720 Requires<[IsARM, HasV6]>;
2723 // Multiply + accumulate
2724 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2725 def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2726 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2727 Size4Bytes, IIC_iMAC64, []>,
2728 Requires<[IsARM, NoV6]>;
2729 def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2730 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2731 Size4Bytes, IIC_iMAC64, []>,
2732 Requires<[IsARM, NoV6]>;
2733 def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2734 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2735 Size4Bytes, IIC_iMAC64, []>,
2736 Requires<[IsARM, NoV6]>;
2740 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2741 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2742 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2743 Requires<[IsARM, HasV6]>;
2744 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2745 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2746 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2747 Requires<[IsARM, HasV6]>;
2749 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2750 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2751 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2752 Requires<[IsARM, HasV6]> {
2757 let Inst{19-16} = RdLo;
2758 let Inst{15-12} = RdHi;
2759 let Inst{11-8} = Rm;
2762 } // neverHasSideEffects
2764 // Most significant word multiply
2765 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2766 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2767 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2768 Requires<[IsARM, HasV6]> {
2769 let Inst{15-12} = 0b1111;
2772 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2773 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2774 [/* For disassembly only; pattern left blank */]>,
2775 Requires<[IsARM, HasV6]> {
2776 let Inst{15-12} = 0b1111;
2779 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2780 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2781 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2782 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2783 Requires<[IsARM, HasV6]>;
2785 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2786 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2787 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2788 [/* For disassembly only; pattern left blank */]>,
2789 Requires<[IsARM, HasV6]>;
2791 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2792 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2793 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2794 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2795 Requires<[IsARM, HasV6]>;
2797 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2798 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2799 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2800 [/* For disassembly only; pattern left blank */]>,
2801 Requires<[IsARM, HasV6]>;
2803 multiclass AI_smul<string opc, PatFrag opnode> {
2804 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2805 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2806 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2807 (sext_inreg GPR:$Rm, i16)))]>,
2808 Requires<[IsARM, HasV5TE]>;
2810 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2811 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2812 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2813 (sra GPR:$Rm, (i32 16))))]>,
2814 Requires<[IsARM, HasV5TE]>;
2816 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2817 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2818 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2819 (sext_inreg GPR:$Rm, i16)))]>,
2820 Requires<[IsARM, HasV5TE]>;
2822 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2823 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2824 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2825 (sra GPR:$Rm, (i32 16))))]>,
2826 Requires<[IsARM, HasV5TE]>;
2828 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2829 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2830 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2831 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2832 Requires<[IsARM, HasV5TE]>;
2834 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2835 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2836 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2837 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2838 Requires<[IsARM, HasV5TE]>;
2842 multiclass AI_smla<string opc, PatFrag opnode> {
2843 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2844 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2845 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2846 [(set GPR:$Rd, (add GPR:$Ra,
2847 (opnode (sext_inreg GPR:$Rn, i16),
2848 (sext_inreg GPR:$Rm, i16))))]>,
2849 Requires<[IsARM, HasV5TE]>;
2851 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2852 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2853 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2854 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2855 (sra GPR:$Rm, (i32 16)))))]>,
2856 Requires<[IsARM, HasV5TE]>;
2858 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2859 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2860 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2861 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2862 (sext_inreg GPR:$Rm, i16))))]>,
2863 Requires<[IsARM, HasV5TE]>;
2865 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2866 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2867 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2868 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2869 (sra GPR:$Rm, (i32 16)))))]>,
2870 Requires<[IsARM, HasV5TE]>;
2872 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2873 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2874 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2875 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2876 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2877 Requires<[IsARM, HasV5TE]>;
2879 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2880 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2881 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2882 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2883 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2884 Requires<[IsARM, HasV5TE]>;
2887 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2888 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2890 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2891 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2892 (ins GPR:$Rn, GPR:$Rm),
2893 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2894 [/* For disassembly only; pattern left blank */]>,
2895 Requires<[IsARM, HasV5TE]>;
2897 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2898 (ins GPR:$Rn, GPR:$Rm),
2899 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2900 [/* For disassembly only; pattern left blank */]>,
2901 Requires<[IsARM, HasV5TE]>;
2903 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2904 (ins GPR:$Rn, GPR:$Rm),
2905 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2906 [/* For disassembly only; pattern left blank */]>,
2907 Requires<[IsARM, HasV5TE]>;
2909 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2910 (ins GPR:$Rn, GPR:$Rm),
2911 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2912 [/* For disassembly only; pattern left blank */]>,
2913 Requires<[IsARM, HasV5TE]>;
2915 // Helper class for AI_smld -- for disassembly only
2916 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2917 InstrItinClass itin, string opc, string asm>
2918 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2925 let Inst{21-20} = 0b00;
2926 let Inst{22} = long;
2927 let Inst{27-23} = 0b01110;
2928 let Inst{11-8} = Rm;
2931 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2932 InstrItinClass itin, string opc, string asm>
2933 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2935 let Inst{15-12} = 0b1111;
2936 let Inst{19-16} = Rd;
2938 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2939 InstrItinClass itin, string opc, string asm>
2940 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2942 let Inst{15-12} = Ra;
2944 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2945 InstrItinClass itin, string opc, string asm>
2946 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2949 let Inst{19-16} = RdHi;
2950 let Inst{15-12} = RdLo;
2953 multiclass AI_smld<bit sub, string opc> {
2955 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2956 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2958 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2959 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2961 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2962 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2963 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2965 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2966 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2967 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2971 defm SMLA : AI_smld<0, "smla">;
2972 defm SMLS : AI_smld<1, "smls">;
2974 multiclass AI_sdml<bit sub, string opc> {
2976 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2977 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2978 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2979 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2982 defm SMUA : AI_sdml<0, "smua">;
2983 defm SMUS : AI_sdml<1, "smus">;
2985 //===----------------------------------------------------------------------===//
2986 // Misc. Arithmetic Instructions.
2989 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2990 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2991 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2993 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2994 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2995 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2996 Requires<[IsARM, HasV6T2]>;
2998 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2999 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3000 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3002 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3003 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3005 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
3006 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
3007 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
3008 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
3009 Requires<[IsARM, HasV6]>;
3011 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3012 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3015 (or (srl GPR:$Rm, (i32 8)),
3016 (shl GPR:$Rm, (i32 8))), i16))]>,
3017 Requires<[IsARM, HasV6]>;
3019 def : ARMV6Pat<(sext_inreg (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
3020 (shl GPR:$Rm, (i32 8))), i16),
3023 // Need the AddedComplexity or else MOVs + REV would be chosen.
3024 let AddedComplexity = 5 in
3025 def : ARMV6Pat<(sra (bswap GPR:$Rm), (i32 16)), (REVSH GPR:$Rm)>;
3027 def lsl_shift_imm : SDNodeXForm<imm, [{
3028 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
3029 return CurDAG->getTargetConstant(Sh, MVT::i32);
3032 def lsl_amt : ImmLeaf<i32, [{
3033 return Imm > 0 && Imm < 32;
3036 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3037 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3038 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3039 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3040 (and (shl GPR:$Rm, lsl_amt:$sh),
3042 Requires<[IsARM, HasV6]>;
3044 // Alternate cases for PKHBT where identities eliminate some nodes.
3045 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3046 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3047 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3048 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
3050 def asr_shift_imm : SDNodeXForm<imm, [{
3051 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
3052 return CurDAG->getTargetConstant(Sh, MVT::i32);
3055 def asr_amt : ImmLeaf<i32, [{
3056 return Imm > 0 && Imm <= 32;
3059 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3060 // will match the pattern below.
3061 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3062 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3063 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3064 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3065 (and (sra GPR:$Rm, asr_amt:$sh),
3067 Requires<[IsARM, HasV6]>;
3069 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3070 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3071 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3072 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
3073 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3074 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3075 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
3077 //===----------------------------------------------------------------------===//
3078 // Comparison Instructions...
3081 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3082 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3083 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3085 // ARMcmpZ can re-use the above instruction definitions.
3086 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3087 (CMPri GPR:$src, so_imm:$imm)>;
3088 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3089 (CMPrr GPR:$src, GPR:$rhs)>;
3090 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3091 (CMPrs GPR:$src, so_reg:$rhs)>;
3093 // FIXME: We have to be careful when using the CMN instruction and comparison
3094 // with 0. One would expect these two pieces of code should give identical
3110 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3111 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3112 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3113 // value of r0 and the carry bit (because the "carry bit" parameter to
3114 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3115 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3116 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3117 // parameter to AddWithCarry is defined as 0).
3119 // When x is 0 and unsigned:
3123 // ~x + 1 = 0x1 0000 0000
3124 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3126 // Therefore, we should disable CMN when comparing against zero, until we can
3127 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3128 // when it's a comparison which doesn't look at the 'carry' flag).
3130 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3132 // This is related to <rdar://problem/7569620>.
3134 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3135 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3137 // Note that TST/TEQ don't set all the same flags that CMP does!
3138 defm TST : AI1_cmp_irs<0b1000, "tst",
3139 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3140 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3141 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3142 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3143 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3145 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3146 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3147 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3149 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3150 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3152 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3153 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3155 // Pseudo i64 compares for some floating point compares.
3156 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3158 def BCCi64 : PseudoInst<(outs),
3159 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3161 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3163 def BCCZi64 : PseudoInst<(outs),
3164 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3165 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3166 } // usesCustomInserter
3169 // Conditional moves
3170 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3171 // a two-value operand where a dag node expects two operands. :(
3172 let neverHasSideEffects = 1 in {
3173 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3174 Size4Bytes, IIC_iCMOVr,
3175 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3176 RegConstraint<"$false = $Rd">;
3177 def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
3178 (ins GPR:$false, so_reg:$shift, pred:$p),
3179 Size4Bytes, IIC_iCMOVsr,
3180 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3181 RegConstraint<"$false = $Rd">;
3183 let isMoveImm = 1 in
3184 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3185 (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
3186 Size4Bytes, IIC_iMOVi,
3188 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3190 let isMoveImm = 1 in
3191 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3192 (ins GPR:$false, so_imm:$imm, pred:$p),
3193 Size4Bytes, IIC_iCMOVi,
3194 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3195 RegConstraint<"$false = $Rd">;
3197 // Two instruction predicate mov immediate.
3198 let isMoveImm = 1 in
3199 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3200 (ins GPR:$false, i32imm:$src, pred:$p),
3201 Size8Bytes, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3203 let isMoveImm = 1 in
3204 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3205 (ins GPR:$false, so_imm:$imm, pred:$p),
3206 Size4Bytes, IIC_iCMOVi,
3207 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3208 RegConstraint<"$false = $Rd">;
3209 } // neverHasSideEffects
3211 //===----------------------------------------------------------------------===//
3212 // Atomic operations intrinsics
3215 def memb_opt : Operand<i32> {
3216 let PrintMethod = "printMemBOption";
3217 let ParserMatchClass = MemBarrierOptOperand;
3220 // memory barriers protect the atomic sequences
3221 let hasSideEffects = 1 in {
3222 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3223 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3224 Requires<[IsARM, HasDB]> {
3226 let Inst{31-4} = 0xf57ff05;
3227 let Inst{3-0} = opt;
3231 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3233 [/* For disassembly only; pattern left blank */]>,
3234 Requires<[IsARM, HasDB]> {
3236 let Inst{31-4} = 0xf57ff04;
3237 let Inst{3-0} = opt;
3240 // ISB has only full system option -- for disassembly only
3241 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3242 Requires<[IsARM, HasDB]> {
3243 let Inst{31-4} = 0xf57ff06;
3244 let Inst{3-0} = 0b1111;
3247 let usesCustomInserter = 1 in {
3248 let Uses = [CPSR] in {
3249 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3250 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3251 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3252 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3253 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3254 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3255 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3256 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3257 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3258 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3259 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3260 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3261 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3262 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3263 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3264 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3265 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3266 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3267 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3268 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3269 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3270 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3271 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3272 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3273 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3274 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3275 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3276 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3277 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3278 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3279 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3280 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3281 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3282 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3283 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3284 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3285 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3286 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3287 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3288 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3289 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3290 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3291 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3292 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3293 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3294 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3295 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3296 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3297 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3298 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3299 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3300 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3301 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3302 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3303 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3304 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3305 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3306 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3307 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3308 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3309 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3310 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3311 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3312 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3313 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3314 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3315 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3316 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3317 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3318 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3319 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3320 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3321 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3322 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3323 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3324 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3325 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3326 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3327 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3328 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3329 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3330 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3331 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3332 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3333 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3334 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3335 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3336 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3337 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3338 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3340 def ATOMIC_SWAP_I8 : PseudoInst<
3341 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3342 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3343 def ATOMIC_SWAP_I16 : PseudoInst<
3344 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3345 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3346 def ATOMIC_SWAP_I32 : PseudoInst<
3347 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3348 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3350 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3351 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3352 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3353 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3354 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3355 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3356 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3357 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3358 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3362 let mayLoad = 1 in {
3363 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3364 "ldrexb", "\t$Rt, $addr", []>;
3365 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3366 "ldrexh", "\t$Rt, $addr", []>;
3367 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3368 "ldrex", "\t$Rt, $addr", []>;
3369 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3370 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3373 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3374 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3375 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3376 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3377 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3378 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3379 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3380 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3381 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3382 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3385 // Clear-Exclusive is for disassembly only.
3386 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3387 [/* For disassembly only; pattern left blank */]>,
3388 Requires<[IsARM, HasV7]> {
3389 let Inst{31-0} = 0b11110101011111111111000000011111;
3392 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3393 let mayLoad = 1 in {
3394 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3395 [/* For disassembly only; pattern left blank */]>;
3396 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3397 [/* For disassembly only; pattern left blank */]>;
3400 //===----------------------------------------------------------------------===//
3401 // Coprocessor Instructions.
3404 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3405 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3406 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3407 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3408 imm:$CRm, imm:$opc2)]> {
3416 let Inst{3-0} = CRm;
3418 let Inst{7-5} = opc2;
3419 let Inst{11-8} = cop;
3420 let Inst{15-12} = CRd;
3421 let Inst{19-16} = CRn;
3422 let Inst{23-20} = opc1;
3425 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3426 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3427 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3428 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3429 imm:$CRm, imm:$opc2)]> {
3430 let Inst{31-28} = 0b1111;
3438 let Inst{3-0} = CRm;
3440 let Inst{7-5} = opc2;
3441 let Inst{11-8} = cop;
3442 let Inst{15-12} = CRd;
3443 let Inst{19-16} = CRn;
3444 let Inst{23-20} = opc1;
3447 class ACI<dag oops, dag iops, string opc, string asm,
3448 IndexMode im = IndexModeNone>
3449 : InoP<oops, iops, AddrModeNone, Size4Bytes, im, BrFrm, NoItinerary,
3450 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3451 let Inst{27-25} = 0b110;
3454 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3456 def _OFFSET : ACI<(outs),
3457 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3458 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3459 let Inst{31-28} = op31_28;
3460 let Inst{24} = 1; // P = 1
3461 let Inst{21} = 0; // W = 0
3462 let Inst{22} = 0; // D = 0
3463 let Inst{20} = load;
3466 def _PRE : ACI<(outs),
3467 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3468 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3469 let Inst{31-28} = op31_28;
3470 let Inst{24} = 1; // P = 1
3471 let Inst{21} = 1; // W = 1
3472 let Inst{22} = 0; // D = 0
3473 let Inst{20} = load;
3476 def _POST : ACI<(outs),
3477 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3478 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3479 let Inst{31-28} = op31_28;
3480 let Inst{24} = 0; // P = 0
3481 let Inst{21} = 1; // W = 1
3482 let Inst{22} = 0; // D = 0
3483 let Inst{20} = load;
3486 def _OPTION : ACI<(outs),
3487 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3489 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3490 let Inst{31-28} = op31_28;
3491 let Inst{24} = 0; // P = 0
3492 let Inst{23} = 1; // U = 1
3493 let Inst{21} = 0; // W = 0
3494 let Inst{22} = 0; // D = 0
3495 let Inst{20} = load;
3498 def L_OFFSET : ACI<(outs),
3499 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3500 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3501 let Inst{31-28} = op31_28;
3502 let Inst{24} = 1; // P = 1
3503 let Inst{21} = 0; // W = 0
3504 let Inst{22} = 1; // D = 1
3505 let Inst{20} = load;
3508 def L_PRE : ACI<(outs),
3509 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3510 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3512 let Inst{31-28} = op31_28;
3513 let Inst{24} = 1; // P = 1
3514 let Inst{21} = 1; // W = 1
3515 let Inst{22} = 1; // D = 1
3516 let Inst{20} = load;
3519 def L_POST : ACI<(outs),
3520 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3521 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3523 let Inst{31-28} = op31_28;
3524 let Inst{24} = 0; // P = 0
3525 let Inst{21} = 1; // W = 1
3526 let Inst{22} = 1; // D = 1
3527 let Inst{20} = load;
3530 def L_OPTION : ACI<(outs),
3531 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3533 !strconcat(!strconcat(opc, "l"), cond),
3534 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3535 let Inst{31-28} = op31_28;
3536 let Inst{24} = 0; // P = 0
3537 let Inst{23} = 1; // U = 1
3538 let Inst{21} = 0; // W = 0
3539 let Inst{22} = 1; // D = 1
3540 let Inst{20} = load;
3544 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3545 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3546 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3547 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3549 //===----------------------------------------------------------------------===//
3550 // Move between coprocessor and ARM core register -- for disassembly only
3553 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3555 : ABI<0b1110, oops, iops, NoItinerary, opc,
3556 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3557 let Inst{20} = direction;
3567 let Inst{15-12} = Rt;
3568 let Inst{11-8} = cop;
3569 let Inst{23-21} = opc1;
3570 let Inst{7-5} = opc2;
3571 let Inst{3-0} = CRm;
3572 let Inst{19-16} = CRn;
3575 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3577 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3578 c_imm:$CRm, i32imm:$opc2),
3579 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3580 imm:$CRm, imm:$opc2)]>;
3581 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3583 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3586 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3587 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3589 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3591 : ABXI<0b1110, oops, iops, NoItinerary,
3592 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3593 let Inst{31-28} = 0b1111;
3594 let Inst{20} = direction;
3604 let Inst{15-12} = Rt;
3605 let Inst{11-8} = cop;
3606 let Inst{23-21} = opc1;
3607 let Inst{7-5} = opc2;
3608 let Inst{3-0} = CRm;
3609 let Inst{19-16} = CRn;
3612 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3614 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3615 c_imm:$CRm, i32imm:$opc2),
3616 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3617 imm:$CRm, imm:$opc2)]>;
3618 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3620 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3623 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3624 imm:$CRm, imm:$opc2),
3625 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3627 class MovRRCopro<string opc, bit direction,
3628 list<dag> pattern = [/* For disassembly only */]>
3629 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3630 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3631 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3632 let Inst{23-21} = 0b010;
3633 let Inst{20} = direction;
3641 let Inst{15-12} = Rt;
3642 let Inst{19-16} = Rt2;
3643 let Inst{11-8} = cop;
3644 let Inst{7-4} = opc1;
3645 let Inst{3-0} = CRm;
3648 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3649 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3651 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3653 class MovRRCopro2<string opc, bit direction,
3654 list<dag> pattern = [/* For disassembly only */]>
3655 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3656 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3657 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3658 let Inst{31-28} = 0b1111;
3659 let Inst{23-21} = 0b010;
3660 let Inst{20} = direction;
3668 let Inst{15-12} = Rt;
3669 let Inst{19-16} = Rt2;
3670 let Inst{11-8} = cop;
3671 let Inst{7-4} = opc1;
3672 let Inst{3-0} = CRm;
3675 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3676 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3678 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3680 //===----------------------------------------------------------------------===//
3681 // Move between special register and ARM core register -- for disassembly only
3684 // Move to ARM core register from Special Register
3685 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3686 [/* For disassembly only; pattern left blank */]> {
3688 let Inst{23-16} = 0b00001111;
3689 let Inst{15-12} = Rd;
3690 let Inst{7-4} = 0b0000;
3693 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3694 [/* For disassembly only; pattern left blank */]> {
3696 let Inst{23-16} = 0b01001111;
3697 let Inst{15-12} = Rd;
3698 let Inst{7-4} = 0b0000;
3701 // Move from ARM core register to Special Register
3703 // No need to have both system and application versions, the encodings are the
3704 // same and the assembly parser has no way to distinguish between them. The mask
3705 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3706 // the mask with the fields to be accessed in the special register.
3707 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3708 "msr", "\t$mask, $Rn",
3709 [/* For disassembly only; pattern left blank */]> {
3714 let Inst{22} = mask{4}; // R bit
3715 let Inst{21-20} = 0b10;
3716 let Inst{19-16} = mask{3-0};
3717 let Inst{15-12} = 0b1111;
3718 let Inst{11-4} = 0b00000000;
3722 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3723 "msr", "\t$mask, $a",
3724 [/* For disassembly only; pattern left blank */]> {
3729 let Inst{22} = mask{4}; // R bit
3730 let Inst{21-20} = 0b10;
3731 let Inst{19-16} = mask{3-0};
3732 let Inst{15-12} = 0b1111;
3736 //===----------------------------------------------------------------------===//
3740 // __aeabi_read_tp preserves the registers r1-r3.
3741 // This is a pseudo inst so that we can get the encoding right,
3742 // complete with fixup for the aeabi_read_tp function.
3744 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3745 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3746 [(set R0, ARMthread_pointer)]>;
3749 //===----------------------------------------------------------------------===//
3750 // SJLJ Exception handling intrinsics
3751 // eh_sjlj_setjmp() is an instruction sequence to store the return
3752 // address and save #0 in R0 for the non-longjmp case.
3753 // Since by its nature we may be coming from some other function to get
3754 // here, and we're using the stack frame for the containing function to
3755 // save/restore registers, we can't keep anything live in regs across
3756 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3757 // when we get here from a longjmp(). We force everything out of registers
3758 // except for our own input by listing the relevant registers in Defs. By
3759 // doing so, we also cause the prologue/epilogue code to actively preserve
3760 // all of the callee-saved resgisters, which is exactly what we want.
3761 // A constant value is passed in $val, and we use the location as a scratch.
3763 // These are pseudo-instructions and are lowered to individual MC-insts, so
3764 // no encoding information is necessary.
3766 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR,
3767 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
3768 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3770 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3771 Requires<[IsARM, HasVFP2]>;
3775 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3776 hasSideEffects = 1, isBarrier = 1 in {
3777 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3779 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3780 Requires<[IsARM, NoVFP]>;
3783 // FIXME: Non-Darwin version(s)
3784 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3785 Defs = [ R7, LR, SP ] in {
3786 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3788 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3789 Requires<[IsARM, IsDarwin]>;
3792 // eh.sjlj.dispatchsetup pseudo-instruction.
3793 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3794 // handled when the pseudo is expanded (which happens before any passes
3795 // that need the instruction size).
3796 let isBarrier = 1, hasSideEffects = 1 in
3797 def Int_eh_sjlj_dispatchsetup :
3798 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3799 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3800 Requires<[IsDarwin]>;
3802 //===----------------------------------------------------------------------===//
3803 // Non-Instruction Patterns
3806 // Large immediate handling.
3808 // 32-bit immediate using two piece so_imms or movw + movt.
3809 // This is a single pseudo instruction, the benefit is that it can be remat'd
3810 // as a single unit instead of having to handle reg inputs.
3811 // FIXME: Remove this when we can do generalized remat.
3812 let isReMaterializable = 1, isMoveImm = 1 in
3813 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3814 [(set GPR:$dst, (arm_i32imm:$src))]>,
3817 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3818 // It also makes it possible to rematerialize the instructions.
3819 // FIXME: Remove this when we can do generalized remat and when machine licm
3820 // can properly the instructions.
3821 let isReMaterializable = 1 in {
3822 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3824 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3825 Requires<[IsARM, UseMovt]>;
3827 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3829 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3830 Requires<[IsARM, UseMovt]>;
3832 let AddedComplexity = 10 in
3833 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3835 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3836 Requires<[IsARM, UseMovt]>;
3837 } // isReMaterializable
3839 // ConstantPool, GlobalAddress, and JumpTable
3840 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3841 Requires<[IsARM, DontUseMovt]>;
3842 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3843 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3844 Requires<[IsARM, UseMovt]>;
3845 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3846 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3848 // TODO: add,sub,and, 3-instr forms?
3851 def : ARMPat<(ARMtcret tcGPR:$dst),
3852 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3854 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3855 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3857 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3858 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3860 def : ARMPat<(ARMtcret tcGPR:$dst),
3861 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3863 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3864 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3866 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3867 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3870 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3871 Requires<[IsARM, IsNotDarwin]>;
3872 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3873 Requires<[IsARM, IsDarwin]>;
3875 // zextload i1 -> zextload i8
3876 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3877 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3879 // extload -> zextload
3880 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3881 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3882 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3883 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3885 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3887 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3888 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3891 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3892 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3893 (SMULBB GPR:$a, GPR:$b)>;
3894 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3895 (SMULBB GPR:$a, GPR:$b)>;
3896 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3897 (sra GPR:$b, (i32 16))),
3898 (SMULBT GPR:$a, GPR:$b)>;
3899 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3900 (SMULBT GPR:$a, GPR:$b)>;
3901 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3902 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3903 (SMULTB GPR:$a, GPR:$b)>;
3904 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3905 (SMULTB GPR:$a, GPR:$b)>;
3906 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3908 (SMULWB GPR:$a, GPR:$b)>;
3909 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3910 (SMULWB GPR:$a, GPR:$b)>;
3912 def : ARMV5TEPat<(add GPR:$acc,
3913 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3914 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3915 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3916 def : ARMV5TEPat<(add GPR:$acc,
3917 (mul sext_16_node:$a, sext_16_node:$b)),
3918 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3919 def : ARMV5TEPat<(add GPR:$acc,
3920 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3921 (sra GPR:$b, (i32 16)))),
3922 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3923 def : ARMV5TEPat<(add GPR:$acc,
3924 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3925 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3926 def : ARMV5TEPat<(add GPR:$acc,
3927 (mul (sra GPR:$a, (i32 16)),
3928 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3929 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3930 def : ARMV5TEPat<(add GPR:$acc,
3931 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3932 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3933 def : ARMV5TEPat<(add GPR:$acc,
3934 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3936 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3937 def : ARMV5TEPat<(add GPR:$acc,
3938 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3939 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3942 // Pre-v7 uses MCR for synchronization barriers.
3943 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
3944 Requires<[IsARM, HasV6]>;
3947 //===----------------------------------------------------------------------===//
3951 include "ARMInstrThumb.td"
3953 //===----------------------------------------------------------------------===//
3957 include "ARMInstrThumb2.td"
3959 //===----------------------------------------------------------------------===//
3960 // Floating Point Support
3963 include "ARMInstrVFP.td"
3965 //===----------------------------------------------------------------------===//
3966 // Advanced SIMD (NEON) Support
3969 include "ARMInstrNEON.td"