1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
65 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
67 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
68 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
71 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
72 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
73 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntBinOp>;
75 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
76 [SDNPHasChain, SDNPOutGlue]>;
77 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
78 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
80 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
81 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
83 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
84 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
86 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
87 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
90 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
91 [SDNPHasChain, SDNPOptInGlue]>;
93 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
95 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
98 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
99 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
101 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
103 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
106 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
109 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
112 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
113 [SDNPOutGlue, SDNPCommutative]>;
115 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
117 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
118 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
119 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
121 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
122 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
123 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
124 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
125 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
126 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
127 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
130 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
132 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
134 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDTPrefetch,
135 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
137 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
139 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
140 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
143 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
145 //===----------------------------------------------------------------------===//
146 // ARM Instruction Predicate Definitions.
148 def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
149 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
150 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
151 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
152 def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
153 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
154 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
155 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
156 def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
157 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
158 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
159 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
160 def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
161 def HasFP16 : Predicate<"Subtarget->hasFP16()">, AssemblerPredicate;
162 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
163 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
165 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
167 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
169 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
170 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
171 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
172 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
173 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
174 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
175 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
176 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
178 // FIXME: Eventually this will be just "hasV6T2Ops".
179 def UseMovt : Predicate<"Subtarget->useMovt()">;
180 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
181 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
183 //===----------------------------------------------------------------------===//
184 // ARM Flag Definitions.
186 class RegConstraint<string C> {
187 string Constraints = C;
190 //===----------------------------------------------------------------------===//
191 // ARM specific transformation functions and pattern fragments.
194 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
195 // so_imm_neg def below.
196 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
197 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
200 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
201 // so_imm_not def below.
202 def so_imm_not_XFORM : SDNodeXForm<imm, [{
203 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
206 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
207 def imm1_15 : PatLeaf<(i32 imm), [{
208 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
211 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
212 def imm16_31 : PatLeaf<(i32 imm), [{
213 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
218 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
219 }], so_imm_neg_XFORM>;
223 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
224 }], so_imm_not_XFORM>;
226 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
227 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
228 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
231 /// Split a 32-bit immediate into two 16 bit parts.
232 def hi16 : SDNodeXForm<imm, [{
233 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
236 def lo16AllZero : PatLeaf<(i32 imm), [{
237 // Returns true if all low 16-bits are 0.
238 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
241 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
243 def imm0_65535 : PatLeaf<(i32 imm), [{
244 return (uint32_t)N->getZExtValue() < 65536;
247 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
248 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
250 /// adde and sube predicates - True based on whether the carry flag output
251 /// will be needed or not.
252 def adde_dead_carry :
253 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
254 [{return !N->hasAnyUseOfValue(1);}]>;
255 def sube_dead_carry :
256 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
257 [{return !N->hasAnyUseOfValue(1);}]>;
258 def adde_live_carry :
259 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
260 [{return N->hasAnyUseOfValue(1);}]>;
261 def sube_live_carry :
262 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
263 [{return N->hasAnyUseOfValue(1);}]>;
265 // An 'and' node with a single use.
266 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
267 return N->hasOneUse();
270 // An 'xor' node with a single use.
271 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
272 return N->hasOneUse();
275 // An 'fmul' node with a single use.
276 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
277 return N->hasOneUse();
280 // An 'fadd' node which checks for single non-hazardous use.
281 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
282 return hasNoVMLxHazardUse(N);
285 // An 'fsub' node which checks for single non-hazardous use.
286 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
287 return hasNoVMLxHazardUse(N);
290 //===----------------------------------------------------------------------===//
291 // Operand Definitions.
295 def brtarget : Operand<OtherVT> {
296 let EncoderMethod = "getBranchTargetOpValue";
299 def uncondbrtarget : Operand<OtherVT> {
300 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
304 def bltarget : Operand<i32> {
305 // Encoded the same as branch targets.
306 let EncoderMethod = "getBranchTargetOpValue";
309 // A list of registers separated by comma. Used by load/store multiple.
310 def RegListAsmOperand : AsmOperandClass {
311 let Name = "RegList";
312 let SuperClasses = [];
315 def DPRRegListAsmOperand : AsmOperandClass {
316 let Name = "DPRRegList";
317 let SuperClasses = [];
320 def SPRRegListAsmOperand : AsmOperandClass {
321 let Name = "SPRRegList";
322 let SuperClasses = [];
325 def reglist : Operand<i32> {
326 let EncoderMethod = "getRegisterListOpValue";
327 let ParserMatchClass = RegListAsmOperand;
328 let PrintMethod = "printRegisterList";
331 def dpr_reglist : Operand<i32> {
332 let EncoderMethod = "getRegisterListOpValue";
333 let ParserMatchClass = DPRRegListAsmOperand;
334 let PrintMethod = "printRegisterList";
337 def spr_reglist : Operand<i32> {
338 let EncoderMethod = "getRegisterListOpValue";
339 let ParserMatchClass = SPRRegListAsmOperand;
340 let PrintMethod = "printRegisterList";
343 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
344 def cpinst_operand : Operand<i32> {
345 let PrintMethod = "printCPInstOperand";
349 def pclabel : Operand<i32> {
350 let PrintMethod = "printPCLabel";
353 // ADR instruction labels.
354 def adrlabel : Operand<i32> {
355 let EncoderMethod = "getAdrLabelOpValue";
358 def neon_vcvt_imm32 : Operand<i32> {
359 let EncoderMethod = "getNEONVcvtImm32OpValue";
362 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
363 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
364 int32_t v = (int32_t)N->getZExtValue();
365 return v == 8 || v == 16 || v == 24; }]> {
366 let EncoderMethod = "getRotImmOpValue";
369 // shift_imm: An integer that encodes a shift amount and the type of shift
370 // (currently either asr or lsl) using the same encoding used for the
371 // immediates in so_reg operands.
372 def shift_imm : Operand<i32> {
373 let PrintMethod = "printShiftImmOperand";
376 // shifter_operand operands: so_reg and so_imm.
377 def so_reg : Operand<i32>, // reg reg imm
378 ComplexPattern<i32, 3, "SelectShifterOperandReg",
379 [shl,srl,sra,rotr]> {
380 let EncoderMethod = "getSORegOpValue";
381 let PrintMethod = "printSORegOperand";
382 let MIOperandInfo = (ops GPR, GPR, i32imm);
384 def shift_so_reg : Operand<i32>, // reg reg imm
385 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
386 [shl,srl,sra,rotr]> {
387 let EncoderMethod = "getSORegOpValue";
388 let PrintMethod = "printSORegOperand";
389 let MIOperandInfo = (ops GPR, GPR, i32imm);
392 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
393 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
394 // represented in the imm field in the same 12-bit form that they are encoded
395 // into so_imm instructions: the 8-bit immediate is the least significant bits
396 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
397 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
398 let EncoderMethod = "getSOImmOpValue";
399 let PrintMethod = "printSOImmOperand";
402 // Break so_imm's up into two pieces. This handles immediates with up to 16
403 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
404 // get the first/second pieces.
405 def so_imm2part : PatLeaf<(imm), [{
406 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
409 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
411 def arm_i32imm : PatLeaf<(imm), [{
412 if (Subtarget->hasV6T2Ops())
414 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
417 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
418 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
419 return (int32_t)N->getZExtValue() < 32;
422 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
423 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
424 return (int32_t)N->getZExtValue() < 32;
426 let EncoderMethod = "getImmMinusOneOpValue";
429 // i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
430 // The imm is split into imm{15-12}, imm{11-0}
432 def i32imm_hilo16 : Operand<i32> {
433 let EncoderMethod = "getHiLo16ImmOpValue";
436 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
438 def bf_inv_mask_imm : Operand<i32>,
440 return ARM::isBitFieldInvertedMask(N->getZExtValue());
442 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
443 let PrintMethod = "printBitfieldInvMaskImmOperand";
446 // Define ARM specific addressing modes.
449 // addrmode_imm12 := reg +/- imm12
451 def addrmode_imm12 : Operand<i32>,
452 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
453 // 12-bit immediate operand. Note that instructions using this encode
454 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
455 // immediate values are as normal.
457 let EncoderMethod = "getAddrModeImm12OpValue";
458 let PrintMethod = "printAddrModeImm12Operand";
459 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
461 // ldst_so_reg := reg +/- reg shop imm
463 def ldst_so_reg : Operand<i32>,
464 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
465 let EncoderMethod = "getLdStSORegOpValue";
466 // FIXME: Simplify the printer
467 let PrintMethod = "printAddrMode2Operand";
468 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
471 // addrmode2 := reg +/- imm12
472 // := reg +/- reg shop imm
474 def addrmode2 : Operand<i32>,
475 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
476 let EncoderMethod = "getAddrMode2OpValue";
477 let PrintMethod = "printAddrMode2Operand";
478 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
481 def am2offset : Operand<i32>,
482 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
483 [], [SDNPWantRoot]> {
484 let EncoderMethod = "getAddrMode2OffsetOpValue";
485 let PrintMethod = "printAddrMode2OffsetOperand";
486 let MIOperandInfo = (ops GPR, i32imm);
489 // addrmode3 := reg +/- reg
490 // addrmode3 := reg +/- imm8
492 def addrmode3 : Operand<i32>,
493 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
494 let EncoderMethod = "getAddrMode3OpValue";
495 let PrintMethod = "printAddrMode3Operand";
496 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
499 def am3offset : Operand<i32>,
500 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
501 [], [SDNPWantRoot]> {
502 let EncoderMethod = "getAddrMode3OffsetOpValue";
503 let PrintMethod = "printAddrMode3OffsetOperand";
504 let MIOperandInfo = (ops GPR, i32imm);
507 // ldstm_mode := {ia, ib, da, db}
509 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
510 let EncoderMethod = "getLdStmModeOpValue";
511 let PrintMethod = "printLdStmModeOperand";
514 def MemMode5AsmOperand : AsmOperandClass {
515 let Name = "MemMode5";
516 let SuperClasses = [];
519 // addrmode5 := reg +/- imm8*4
521 def addrmode5 : Operand<i32>,
522 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
523 let PrintMethod = "printAddrMode5Operand";
524 let MIOperandInfo = (ops GPR:$base, i32imm);
525 let ParserMatchClass = MemMode5AsmOperand;
526 let EncoderMethod = "getAddrMode5OpValue";
529 // addrmode6 := reg with optional writeback
531 def addrmode6 : Operand<i32>,
532 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
533 let PrintMethod = "printAddrMode6Operand";
534 let MIOperandInfo = (ops GPR:$addr, i32imm);
535 let EncoderMethod = "getAddrMode6AddressOpValue";
538 def am6offset : Operand<i32> {
539 let PrintMethod = "printAddrMode6OffsetOperand";
540 let MIOperandInfo = (ops GPR);
541 let EncoderMethod = "getAddrMode6OffsetOpValue";
544 // Special version of addrmode6 to handle alignment encoding for VLD-dup
545 // instructions, specifically VLD4-dup.
546 def addrmode6dup : Operand<i32>,
547 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
548 let PrintMethod = "printAddrMode6Operand";
549 let MIOperandInfo = (ops GPR:$addr, i32imm);
550 let EncoderMethod = "getAddrMode6DupAddressOpValue";
553 // addrmodepc := pc + reg
555 def addrmodepc : Operand<i32>,
556 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
557 let PrintMethod = "printAddrModePCOperand";
558 let MIOperandInfo = (ops GPR, i32imm);
561 def nohash_imm : Operand<i32> {
562 let PrintMethod = "printNoHashImmediate";
565 def p_imm : Operand<i32> {
566 let PrintMethod = "printPImmediate";
569 def c_imm : Operand<i32> {
570 let PrintMethod = "printCImmediate";
573 //===----------------------------------------------------------------------===//
575 include "ARMInstrFormats.td"
577 //===----------------------------------------------------------------------===//
578 // Multiclass helpers...
581 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
582 /// binop that produces a value.
583 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
584 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
585 PatFrag opnode, bit Commutable = 0> {
586 // The register-immediate version is re-materializable. This is useful
587 // in particular for taking the address of a local.
588 let isReMaterializable = 1 in {
589 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
590 iii, opc, "\t$Rd, $Rn, $imm",
591 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
596 let Inst{19-16} = Rn;
597 let Inst{15-12} = Rd;
598 let Inst{11-0} = imm;
601 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
602 iir, opc, "\t$Rd, $Rn, $Rm",
603 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
608 let isCommutable = Commutable;
609 let Inst{19-16} = Rn;
610 let Inst{15-12} = Rd;
611 let Inst{11-4} = 0b00000000;
614 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
615 iis, opc, "\t$Rd, $Rn, $shift",
616 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
621 let Inst{19-16} = Rn;
622 let Inst{15-12} = Rd;
623 let Inst{11-0} = shift;
627 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
628 /// instruction modifies the CPSR register.
629 let isCodeGenOnly = 1, Defs = [CPSR] in {
630 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
631 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
632 PatFrag opnode, bit Commutable = 0> {
633 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
634 iii, opc, "\t$Rd, $Rn, $imm",
635 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
641 let Inst{19-16} = Rn;
642 let Inst{15-12} = Rd;
643 let Inst{11-0} = imm;
645 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
646 iir, opc, "\t$Rd, $Rn, $Rm",
647 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
651 let isCommutable = Commutable;
654 let Inst{19-16} = Rn;
655 let Inst{15-12} = Rd;
656 let Inst{11-4} = 0b00000000;
659 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
660 iis, opc, "\t$Rd, $Rn, $shift",
661 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
667 let Inst{19-16} = Rn;
668 let Inst{15-12} = Rd;
669 let Inst{11-0} = shift;
674 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
675 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
676 /// a explicit result, only implicitly set CPSR.
677 let isCompare = 1, Defs = [CPSR] in {
678 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
679 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
680 PatFrag opnode, bit Commutable = 0> {
681 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
683 [(opnode GPR:$Rn, so_imm:$imm)]> {
688 let Inst{19-16} = Rn;
689 let Inst{15-12} = 0b0000;
690 let Inst{11-0} = imm;
692 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
694 [(opnode GPR:$Rn, GPR:$Rm)]> {
697 let isCommutable = Commutable;
700 let Inst{19-16} = Rn;
701 let Inst{15-12} = 0b0000;
702 let Inst{11-4} = 0b00000000;
705 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
706 opc, "\t$Rn, $shift",
707 [(opnode GPR:$Rn, so_reg:$shift)]> {
712 let Inst{19-16} = Rn;
713 let Inst{15-12} = 0b0000;
714 let Inst{11-0} = shift;
719 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
720 /// register and one whose operand is a register rotated by 8/16/24.
721 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
722 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
723 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
724 IIC_iEXTr, opc, "\t$Rd, $Rm",
725 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
726 Requires<[IsARM, HasV6]> {
729 let Inst{19-16} = 0b1111;
730 let Inst{15-12} = Rd;
731 let Inst{11-10} = 0b00;
734 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
735 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
736 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
737 Requires<[IsARM, HasV6]> {
741 let Inst{19-16} = 0b1111;
742 let Inst{15-12} = Rd;
743 let Inst{11-10} = rot;
748 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
749 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
750 IIC_iEXTr, opc, "\t$Rd, $Rm",
751 [/* For disassembly only; pattern left blank */]>,
752 Requires<[IsARM, HasV6]> {
753 let Inst{19-16} = 0b1111;
754 let Inst{11-10} = 0b00;
756 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
757 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
758 [/* For disassembly only; pattern left blank */]>,
759 Requires<[IsARM, HasV6]> {
761 let Inst{19-16} = 0b1111;
762 let Inst{11-10} = rot;
766 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
767 /// register and one whose operand is a register rotated by 8/16/24.
768 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
769 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
770 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
771 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
772 Requires<[IsARM, HasV6]> {
776 let Inst{19-16} = Rn;
777 let Inst{15-12} = Rd;
778 let Inst{11-10} = 0b00;
779 let Inst{9-4} = 0b000111;
782 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
784 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
785 [(set GPR:$Rd, (opnode GPR:$Rn,
786 (rotr GPR:$Rm, rot_imm:$rot)))]>,
787 Requires<[IsARM, HasV6]> {
792 let Inst{19-16} = Rn;
793 let Inst{15-12} = Rd;
794 let Inst{11-10} = rot;
795 let Inst{9-4} = 0b000111;
800 // For disassembly only.
801 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
802 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
803 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
804 [/* For disassembly only; pattern left blank */]>,
805 Requires<[IsARM, HasV6]> {
806 let Inst{11-10} = 0b00;
808 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
810 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
811 [/* For disassembly only; pattern left blank */]>,
812 Requires<[IsARM, HasV6]> {
815 let Inst{19-16} = Rn;
816 let Inst{11-10} = rot;
820 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
821 let Uses = [CPSR] in {
822 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
823 bit Commutable = 0> {
824 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
825 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
826 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
832 let Inst{15-12} = Rd;
833 let Inst{19-16} = Rn;
834 let Inst{11-0} = imm;
836 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
837 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
838 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
843 let Inst{11-4} = 0b00000000;
845 let isCommutable = Commutable;
847 let Inst{15-12} = Rd;
848 let Inst{19-16} = Rn;
850 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
851 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
852 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
858 let Inst{11-0} = shift;
859 let Inst{15-12} = Rd;
860 let Inst{19-16} = Rn;
863 // Carry setting variants
864 let isCodeGenOnly = 1, Defs = [CPSR] in {
865 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
866 bit Commutable = 0> {
867 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
868 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
869 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
874 let Inst{15-12} = Rd;
875 let Inst{19-16} = Rn;
876 let Inst{11-0} = imm;
880 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
881 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
882 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
887 let Inst{11-4} = 0b00000000;
888 let isCommutable = Commutable;
890 let Inst{15-12} = Rd;
891 let Inst{19-16} = Rn;
895 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
896 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
897 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
902 let Inst{11-0} = shift;
903 let Inst{15-12} = Rd;
904 let Inst{19-16} = Rn;
912 let canFoldAsLoad = 1, isReMaterializable = 1 in {
913 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
914 InstrItinClass iir, PatFrag opnode> {
915 // Note: We use the complex addrmode_imm12 rather than just an input
916 // GPR and a constrained immediate so that we can use this to match
917 // frame index references and avoid matching constant pool references.
918 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
919 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
920 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
923 let Inst{23} = addr{12}; // U (add = ('U' == 1))
924 let Inst{19-16} = addr{16-13}; // Rn
925 let Inst{15-12} = Rt;
926 let Inst{11-0} = addr{11-0}; // imm12
928 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
929 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
930 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
933 let Inst{23} = shift{12}; // U (add = ('U' == 1))
934 let Inst{19-16} = shift{16-13}; // Rn
935 let Inst{15-12} = Rt;
936 let Inst{11-0} = shift{11-0};
941 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
942 InstrItinClass iir, PatFrag opnode> {
943 // Note: We use the complex addrmode_imm12 rather than just an input
944 // GPR and a constrained immediate so that we can use this to match
945 // frame index references and avoid matching constant pool references.
946 def i12 : AI2ldst<0b010, 0, isByte, (outs),
947 (ins GPR:$Rt, addrmode_imm12:$addr),
948 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
949 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
952 let Inst{23} = addr{12}; // U (add = ('U' == 1))
953 let Inst{19-16} = addr{16-13}; // Rn
954 let Inst{15-12} = Rt;
955 let Inst{11-0} = addr{11-0}; // imm12
957 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
958 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
959 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
962 let Inst{23} = shift{12}; // U (add = ('U' == 1))
963 let Inst{19-16} = shift{16-13}; // Rn
964 let Inst{15-12} = Rt;
965 let Inst{11-0} = shift{11-0};
968 //===----------------------------------------------------------------------===//
970 //===----------------------------------------------------------------------===//
972 //===----------------------------------------------------------------------===//
973 // Miscellaneous Instructions.
976 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
977 /// the function. The first operand is the ID# for this instruction, the second
978 /// is the index into the MachineConstantPool that this is, the third is the
979 /// size in bytes of this constant pool entry.
980 let neverHasSideEffects = 1, isNotDuplicable = 1 in
981 def CONSTPOOL_ENTRY :
982 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
983 i32imm:$size), NoItinerary, []>;
985 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
986 // from removing one half of the matched pairs. That breaks PEI, which assumes
987 // these will always be in pairs, and asserts if it finds otherwise. Better way?
988 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
990 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
991 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
993 def ADJCALLSTACKDOWN :
994 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
995 [(ARMcallseq_start timm:$amt)]>;
998 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
999 [/* For disassembly only; pattern left blank */]>,
1000 Requires<[IsARM, HasV6T2]> {
1001 let Inst{27-16} = 0b001100100000;
1002 let Inst{15-8} = 0b11110000;
1003 let Inst{7-0} = 0b00000000;
1006 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1007 [/* For disassembly only; pattern left blank */]>,
1008 Requires<[IsARM, HasV6T2]> {
1009 let Inst{27-16} = 0b001100100000;
1010 let Inst{15-8} = 0b11110000;
1011 let Inst{7-0} = 0b00000001;
1014 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1015 [/* For disassembly only; pattern left blank */]>,
1016 Requires<[IsARM, HasV6T2]> {
1017 let Inst{27-16} = 0b001100100000;
1018 let Inst{15-8} = 0b11110000;
1019 let Inst{7-0} = 0b00000010;
1022 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1023 [/* For disassembly only; pattern left blank */]>,
1024 Requires<[IsARM, HasV6T2]> {
1025 let Inst{27-16} = 0b001100100000;
1026 let Inst{15-8} = 0b11110000;
1027 let Inst{7-0} = 0b00000011;
1030 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1032 [/* For disassembly only; pattern left blank */]>,
1033 Requires<[IsARM, HasV6]> {
1038 let Inst{15-12} = Rd;
1039 let Inst{19-16} = Rn;
1040 let Inst{27-20} = 0b01101000;
1041 let Inst{7-4} = 0b1011;
1042 let Inst{11-8} = 0b1111;
1045 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1046 [/* For disassembly only; pattern left blank */]>,
1047 Requires<[IsARM, HasV6T2]> {
1048 let Inst{27-16} = 0b001100100000;
1049 let Inst{15-8} = 0b11110000;
1050 let Inst{7-0} = 0b00000100;
1053 // The i32imm operand $val can be used by a debugger to store more information
1054 // about the breakpoint.
1055 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
1056 [/* For disassembly only; pattern left blank */]>,
1059 let Inst{3-0} = val{3-0};
1060 let Inst{19-8} = val{15-4};
1061 let Inst{27-20} = 0b00010010;
1062 let Inst{7-4} = 0b0111;
1065 // Change Processor State is a system instruction -- for disassembly only.
1066 // The singleton $opt operand contains the following information:
1067 // opt{4-0} = mode from Inst{4-0}
1068 // opt{5} = changemode from Inst{17}
1069 // opt{8-6} = AIF from Inst{8-6}
1070 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
1071 // FIXME: Integrated assembler will need these split out.
1072 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
1073 [/* For disassembly only; pattern left blank */]>,
1075 let Inst{31-28} = 0b1111;
1076 let Inst{27-20} = 0b00010000;
1081 // Preload signals the memory system of possible future data/instruction access.
1082 // These are for disassembly only.
1083 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1085 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1086 !strconcat(opc, "\t$addr"),
1087 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1090 let Inst{31-26} = 0b111101;
1091 let Inst{25} = 0; // 0 for immediate form
1092 let Inst{24} = data;
1093 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1094 let Inst{22} = read;
1095 let Inst{21-20} = 0b01;
1096 let Inst{19-16} = addr{16-13}; // Rn
1097 let Inst{15-12} = Rt;
1098 let Inst{11-0} = addr{11-0}; // imm12
1101 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1102 !strconcat(opc, "\t$shift"),
1103 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1106 let Inst{31-26} = 0b111101;
1107 let Inst{25} = 1; // 1 for register form
1108 let Inst{24} = data;
1109 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1110 let Inst{22} = read;
1111 let Inst{21-20} = 0b01;
1112 let Inst{19-16} = shift{16-13}; // Rn
1113 let Inst{11-0} = shift{11-0};
1117 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1118 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1119 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1121 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1123 [/* For disassembly only; pattern left blank */]>,
1126 let Inst{31-10} = 0b1111000100000001000000;
1131 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1132 [/* For disassembly only; pattern left blank */]>,
1133 Requires<[IsARM, HasV7]> {
1135 let Inst{27-4} = 0b001100100000111100001111;
1136 let Inst{3-0} = opt;
1139 // A5.4 Permanently UNDEFINED instructions.
1140 let isBarrier = 1, isTerminator = 1 in
1141 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1144 let Inst = 0xe7ffdefe;
1147 // Address computation and loads and stores in PIC mode.
1148 let isNotDuplicable = 1 in {
1149 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1150 Size4Bytes, IIC_iALUr,
1151 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1153 let AddedComplexity = 10 in {
1154 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1155 Size4Bytes, IIC_iLoad_r,
1156 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1158 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1159 Size4Bytes, IIC_iLoad_bh_r,
1160 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1162 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1163 Size4Bytes, IIC_iLoad_bh_r,
1164 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1166 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1167 Size4Bytes, IIC_iLoad_bh_r,
1168 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1170 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1171 Size4Bytes, IIC_iLoad_bh_r,
1172 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1174 let AddedComplexity = 10 in {
1175 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1176 Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1178 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1179 Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1180 addrmodepc:$addr)]>;
1182 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1183 Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1185 } // isNotDuplicable = 1
1188 // LEApcrel - Load a pc-relative address into a register without offending the
1190 let neverHasSideEffects = 1, isReMaterializable = 1 in
1191 // The 'adr' mnemonic encodes differently if the label is before or after
1192 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1193 // know until then which form of the instruction will be used.
1194 def ADR : AI1<0, (outs GPR:$Rd), (ins adrlabel:$label),
1195 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1198 let Inst{27-25} = 0b001;
1200 let Inst{19-16} = 0b1111;
1201 let Inst{15-12} = Rd;
1202 let Inst{11-0} = label;
1204 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1205 Size4Bytes, IIC_iALUi, []>;
1207 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1208 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1209 Size4Bytes, IIC_iALUi, []>;
1211 //===----------------------------------------------------------------------===//
1212 // Control Flow Instructions.
1215 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1217 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1218 "bx", "\tlr", [(ARMretflag)]>,
1219 Requires<[IsARM, HasV4T]> {
1220 let Inst{27-0} = 0b0001001011111111111100011110;
1224 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1225 "mov", "\tpc, lr", [(ARMretflag)]>,
1226 Requires<[IsARM, NoV4T]> {
1227 let Inst{27-0} = 0b0001101000001111000000001110;
1231 // Indirect branches
1232 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1234 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1235 [(brind GPR:$dst)]>,
1236 Requires<[IsARM, HasV4T]> {
1238 let Inst{31-4} = 0b1110000100101111111111110001;
1239 let Inst{3-0} = dst;
1243 // FIXME: We would really like to define this as a vanilla ARMPat like:
1244 // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
1245 // With that, however, we can't set isBranch, isTerminator, etc..
1246 def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
1247 Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
1248 Requires<[IsARM, NoV4T]>;
1251 // All calls clobber the non-callee saved registers. SP is marked as
1252 // a use to prevent stack-pointer assignments that appear immediately
1253 // before calls from potentially appearing dead.
1255 // On non-Darwin platforms R9 is callee-saved.
1256 Defs = [R0, R1, R2, R3, R12, LR,
1257 D0, D1, D2, D3, D4, D5, D6, D7,
1258 D16, D17, D18, D19, D20, D21, D22, D23,
1259 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1261 def BL : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1262 IIC_Br, "bl\t$func",
1263 [(ARMcall tglobaladdr:$func)]>,
1264 Requires<[IsARM, IsNotDarwin]> {
1265 let Inst{31-28} = 0b1110;
1267 let Inst{23-0} = func;
1270 def BL_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1271 IIC_Br, "bl", "\t$func",
1272 [(ARMcall_pred tglobaladdr:$func)]>,
1273 Requires<[IsARM, IsNotDarwin]> {
1275 let Inst{23-0} = func;
1279 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1280 IIC_Br, "blx\t$func",
1281 [(ARMcall GPR:$func)]>,
1282 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1284 let Inst{31-4} = 0b1110000100101111111111110011;
1285 let Inst{3-0} = func;
1289 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1290 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1291 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1292 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1295 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1296 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1297 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1301 // On Darwin R9 is call-clobbered.
1302 // R7 is marked as a use to prevent frame-pointer assignments from being
1303 // moved above / below calls.
1304 Defs = [R0, R1, R2, R3, R9, R12, LR,
1305 D0, D1, D2, D3, D4, D5, D6, D7,
1306 D16, D17, D18, D19, D20, D21, D22, D23,
1307 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
1308 Uses = [R7, SP] in {
1309 def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1310 IIC_Br, "bl\t$func",
1311 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1312 let Inst{31-28} = 0b1110;
1314 let Inst{23-0} = func;
1317 def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
1318 IIC_Br, "bl", "\t$func",
1319 [(ARMcall_pred tglobaladdr:$func)]>,
1320 Requires<[IsARM, IsDarwin]> {
1322 let Inst{23-0} = func;
1326 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1327 IIC_Br, "blx\t$func",
1328 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1330 let Inst{31-4} = 0b1110000100101111111111110011;
1331 let Inst{3-0} = func;
1335 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1336 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1337 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1338 Requires<[IsARM, HasV4T, IsDarwin]>;
1341 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1342 Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1343 Requires<[IsARM, NoV4T, IsDarwin]>;
1348 // FIXME: These should probably be xformed into the non-TC versions of the
1349 // instructions as part of MC lowering.
1350 // FIXME: These seem to be used for both Thumb and ARM instruction selection.
1351 // Thumb should have its own version since the instruction is actually
1352 // different, even though the mnemonic is the same.
1353 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1355 let Defs = [R0, R1, R2, R3, R9, R12,
1356 D0, D1, D2, D3, D4, D5, D6, D7,
1357 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1358 D27, D28, D29, D30, D31, PC],
1360 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1361 IIC_Br, []>, Requires<[IsDarwin]>;
1363 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1364 IIC_Br, []>, Requires<[IsDarwin]>;
1366 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1367 IIC_Br, "b\t$dst @ TAILCALL",
1368 []>, Requires<[IsARM, IsDarwin]>;
1370 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1371 IIC_Br, "b.w\t$dst @ TAILCALL",
1372 []>, Requires<[IsThumb, IsDarwin]>;
1374 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1375 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1376 []>, Requires<[IsDarwin]> {
1378 let Inst{31-4} = 0b1110000100101111111111110001;
1379 let Inst{3-0} = dst;
1383 // Non-Darwin versions (the difference is R9).
1384 let Defs = [R0, R1, R2, R3, R12,
1385 D0, D1, D2, D3, D4, D5, D6, D7,
1386 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1387 D27, D28, D29, D30, D31, PC],
1389 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1390 IIC_Br, []>, Requires<[IsNotDarwin]>;
1392 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1393 IIC_Br, []>, Requires<[IsNotDarwin]>;
1395 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1396 IIC_Br, "b\t$dst @ TAILCALL",
1397 []>, Requires<[IsARM, IsNotDarwin]>;
1399 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1400 IIC_Br, "b.w\t$dst @ TAILCALL",
1401 []>, Requires<[IsThumb, IsNotDarwin]>;
1403 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1404 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1405 []>, Requires<[IsNotDarwin]> {
1407 let Inst{31-4} = 0b1110000100101111111111110001;
1408 let Inst{3-0} = dst;
1413 let isBranch = 1, isTerminator = 1 in {
1414 // B is "predicable" since it can be xformed into a Bcc.
1415 let isBarrier = 1 in {
1416 let isPredicable = 1 in
1417 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1418 "b\t$target", [(br bb:$target)]> {
1420 let Inst{31-28} = 0b1110;
1421 let Inst{23-0} = target;
1424 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1425 def BR_JTr : ARMPseudoInst<(outs),
1426 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1427 SizeSpecial, IIC_Br,
1428 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1429 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1430 // into i12 and rs suffixed versions.
1431 def BR_JTm : ARMPseudoInst<(outs),
1432 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1433 SizeSpecial, IIC_Br,
1434 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1436 def BR_JTadd : ARMPseudoInst<(outs),
1437 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1438 SizeSpecial, IIC_Br,
1439 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1441 } // isNotDuplicable = 1, isIndirectBranch = 1
1444 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1445 // a two-value operand where a dag node expects two operands. :(
1446 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1447 IIC_Br, "b", "\t$target",
1448 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1450 let Inst{23-0} = target;
1454 // Branch and Exchange Jazelle -- for disassembly only
1455 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1456 [/* For disassembly only; pattern left blank */]> {
1457 let Inst{23-20} = 0b0010;
1458 //let Inst{19-8} = 0xfff;
1459 let Inst{7-4} = 0b0010;
1462 // Secure Monitor Call is a system instruction -- for disassembly only
1463 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1464 [/* For disassembly only; pattern left blank */]> {
1466 let Inst{23-4} = 0b01100000000000000111;
1467 let Inst{3-0} = opt;
1470 // Supervisor Call (Software Interrupt) -- for disassembly only
1471 let isCall = 1, Uses = [SP] in {
1472 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1473 [/* For disassembly only; pattern left blank */]> {
1475 let Inst{23-0} = svc;
1479 // Store Return State is a system instruction -- for disassembly only
1480 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1481 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1482 NoItinerary, "srs${amode}\tsp!, $mode",
1483 [/* For disassembly only; pattern left blank */]> {
1484 let Inst{31-28} = 0b1111;
1485 let Inst{22-20} = 0b110; // W = 1
1488 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1489 NoItinerary, "srs${amode}\tsp, $mode",
1490 [/* For disassembly only; pattern left blank */]> {
1491 let Inst{31-28} = 0b1111;
1492 let Inst{22-20} = 0b100; // W = 0
1495 // Return From Exception is a system instruction -- for disassembly only
1496 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1497 NoItinerary, "rfe${amode}\t$base!",
1498 [/* For disassembly only; pattern left blank */]> {
1499 let Inst{31-28} = 0b1111;
1500 let Inst{22-20} = 0b011; // W = 1
1503 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1504 NoItinerary, "rfe${amode}\t$base",
1505 [/* For disassembly only; pattern left blank */]> {
1506 let Inst{31-28} = 0b1111;
1507 let Inst{22-20} = 0b001; // W = 0
1509 } // isCodeGenOnly = 1
1511 //===----------------------------------------------------------------------===//
1512 // Load / store Instructions.
1518 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1519 UnOpFrag<(load node:$Src)>>;
1520 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1521 UnOpFrag<(zextloadi8 node:$Src)>>;
1522 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1523 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1524 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1525 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1527 // Special LDR for loads from non-pc-relative constpools.
1528 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1529 isReMaterializable = 1 in
1530 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1531 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1535 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1536 let Inst{19-16} = 0b1111;
1537 let Inst{15-12} = Rt;
1538 let Inst{11-0} = addr{11-0}; // imm12
1541 // Loads with zero extension
1542 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1543 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1544 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1546 // Loads with sign extension
1547 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1548 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1549 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1551 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1552 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1553 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1555 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1556 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1557 // FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
1558 // how to represent that such that tblgen is happy and we don't
1559 // mark this codegen only?
1561 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1562 (ins addrmode3:$addr), LdMiscFrm,
1563 IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
1564 []>, Requires<[IsARM, HasV5TE]>;
1568 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1569 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1570 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1571 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1573 // {13} 1 == Rm, 0 == imm12
1577 let Inst{25} = addr{13};
1578 let Inst{23} = addr{12};
1579 let Inst{19-16} = addr{17-14};
1580 let Inst{11-0} = addr{11-0};
1582 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1583 (ins GPR:$Rn, am2offset:$offset),
1584 IndexModePost, LdFrm, itin,
1585 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1586 // {13} 1 == Rm, 0 == imm12
1591 let Inst{25} = offset{13};
1592 let Inst{23} = offset{12};
1593 let Inst{19-16} = Rn;
1594 let Inst{11-0} = offset{11-0};
1598 let mayLoad = 1, neverHasSideEffects = 1 in {
1599 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1600 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1603 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1604 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1605 (ins addrmode3:$addr), IndexModePre,
1607 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1609 let Inst{23} = addr{8}; // U bit
1610 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1611 let Inst{19-16} = addr{12-9}; // Rn
1612 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1613 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1615 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1616 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1618 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1621 let Inst{23} = offset{8}; // U bit
1622 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1623 let Inst{19-16} = Rn;
1624 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1625 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1629 let mayLoad = 1, neverHasSideEffects = 1 in {
1630 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1631 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1632 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1633 let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1634 defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
1635 } // mayLoad = 1, neverHasSideEffects = 1
1637 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1638 let mayLoad = 1, neverHasSideEffects = 1 in {
1639 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
1640 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1641 LdFrm, IIC_iLoad_ru,
1642 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1643 let Inst{21} = 1; // overwrite
1645 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1646 (ins GPR:$base, am2offset:$offset), IndexModeNone,
1647 LdFrm, IIC_iLoad_bh_ru,
1648 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1649 let Inst{21} = 1; // overwrite
1651 def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1652 (ins GPR:$base, am3offset:$offset), IndexModePost,
1653 LdMiscFrm, IIC_iLoad_bh_ru,
1654 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1655 let Inst{21} = 1; // overwrite
1657 def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1658 (ins GPR:$base, am3offset:$offset), IndexModePost,
1659 LdMiscFrm, IIC_iLoad_bh_ru,
1660 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1661 let Inst{21} = 1; // overwrite
1663 def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
1664 (ins GPR:$base, am3offset:$offset), IndexModePost,
1665 LdMiscFrm, IIC_iLoad_bh_ru,
1666 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1667 let Inst{21} = 1; // overwrite
1673 // Stores with truncate
1674 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1675 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1676 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1679 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1680 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1681 def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1682 StMiscFrm, IIC_iStore_d_r,
1683 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1686 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1687 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1688 IndexModePre, StFrm, IIC_iStore_ru,
1689 "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1691 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1693 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1694 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1695 IndexModePost, StFrm, IIC_iStore_ru,
1696 "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1698 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1700 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1701 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1702 IndexModePre, StFrm, IIC_iStore_bh_ru,
1703 "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1704 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1705 GPR:$Rn, am2offset:$offset))]>;
1706 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1707 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1708 IndexModePost, StFrm, IIC_iStore_bh_ru,
1709 "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1710 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1711 GPR:$Rn, am2offset:$offset))]>;
1713 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1714 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1715 IndexModePre, StMiscFrm, IIC_iStore_ru,
1716 "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
1718 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1720 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1721 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1722 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1723 "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1724 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1725 GPR:$Rn, am3offset:$offset))]>;
1727 // For disassembly only
1728 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1729 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1730 StMiscFrm, IIC_iStore_d_ru,
1731 "strd", "\t$src1, $src2, [$base, $offset]!",
1732 "$base = $base_wb", []>;
1734 // For disassembly only
1735 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1736 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1737 StMiscFrm, IIC_iStore_d_ru,
1738 "strd", "\t$src1, $src2, [$base], $offset",
1739 "$base = $base_wb", []>;
1741 // STRT, STRBT, and STRHT are for disassembly only.
1743 def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1744 (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
1745 IndexModeNone, StFrm, IIC_iStore_ru,
1746 "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1747 [/* For disassembly only; pattern left blank */]> {
1748 let Inst{21} = 1; // overwrite
1751 def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
1752 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1753 IndexModeNone, StFrm, IIC_iStore_bh_ru,
1754 "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
1755 [/* For disassembly only; pattern left blank */]> {
1756 let Inst{21} = 1; // overwrite
1759 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1760 (ins GPR:$src, GPR:$base,am3offset:$offset),
1761 StMiscFrm, IIC_iStore_bh_ru,
1762 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1763 [/* For disassembly only; pattern left blank */]> {
1764 let Inst{21} = 1; // overwrite
1767 //===----------------------------------------------------------------------===//
1768 // Load / store multiple Instructions.
1771 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1772 InstrItinClass itin, InstrItinClass itin_upd> {
1774 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1775 IndexModeNone, f, itin,
1776 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
1777 let Inst{24-23} = 0b01; // Increment After
1778 let Inst{21} = 0; // No writeback
1779 let Inst{20} = L_bit;
1782 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1783 IndexModeUpd, f, itin_upd,
1784 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1785 let Inst{24-23} = 0b01; // Increment After
1786 let Inst{21} = 1; // Writeback
1787 let Inst{20} = L_bit;
1790 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1791 IndexModeNone, f, itin,
1792 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1793 let Inst{24-23} = 0b00; // Decrement After
1794 let Inst{21} = 0; // No writeback
1795 let Inst{20} = L_bit;
1798 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1799 IndexModeUpd, f, itin_upd,
1800 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1801 let Inst{24-23} = 0b00; // Decrement After
1802 let Inst{21} = 1; // Writeback
1803 let Inst{20} = L_bit;
1806 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1807 IndexModeNone, f, itin,
1808 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
1809 let Inst{24-23} = 0b10; // Decrement Before
1810 let Inst{21} = 0; // No writeback
1811 let Inst{20} = L_bit;
1814 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1815 IndexModeUpd, f, itin_upd,
1816 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1817 let Inst{24-23} = 0b10; // Decrement Before
1818 let Inst{21} = 1; // Writeback
1819 let Inst{20} = L_bit;
1822 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1823 IndexModeNone, f, itin,
1824 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
1825 let Inst{24-23} = 0b11; // Increment Before
1826 let Inst{21} = 0; // No writeback
1827 let Inst{20} = L_bit;
1830 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1831 IndexModeUpd, f, itin_upd,
1832 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1833 let Inst{24-23} = 0b11; // Increment Before
1834 let Inst{21} = 1; // Writeback
1835 let Inst{20} = L_bit;
1839 let neverHasSideEffects = 1 in {
1841 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1842 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
1844 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1845 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
1847 } // neverHasSideEffects
1849 // Load / Store Multiple Mnemonic Aliases
1850 def : MnemonicAlias<"ldm", "ldmia">;
1851 def : MnemonicAlias<"stm", "stmia">;
1853 // FIXME: remove when we have a way to marking a MI with these properties.
1854 // FIXME: Should pc be an implicit operand like PICADD, etc?
1855 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1856 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1857 // FIXME: Should be a pseudo-instruction.
1858 def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
1859 reglist:$regs, variable_ops),
1860 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1861 "ldmia${p}\t$Rn!, $regs",
1863 let Inst{24-23} = 0b01; // Increment After
1864 let Inst{21} = 1; // Writeback
1865 let Inst{20} = 1; // Load
1868 //===----------------------------------------------------------------------===//
1869 // Move Instructions.
1872 let neverHasSideEffects = 1 in
1873 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1874 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1878 let Inst{11-4} = 0b00000000;
1881 let Inst{15-12} = Rd;
1884 // A version for the smaller set of tail call registers.
1885 let neverHasSideEffects = 1 in
1886 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1887 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1891 let Inst{11-4} = 0b00000000;
1894 let Inst{15-12} = Rd;
1897 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1898 DPSoRegFrm, IIC_iMOVsr,
1899 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1903 let Inst{15-12} = Rd;
1904 let Inst{11-0} = src;
1908 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1909 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1910 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1914 let Inst{15-12} = Rd;
1915 let Inst{19-16} = 0b0000;
1916 let Inst{11-0} = imm;
1919 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
1920 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
1922 "movw", "\t$Rd, $imm",
1923 [(set GPR:$Rd, imm0_65535:$imm)]>,
1924 Requires<[IsARM, HasV6T2]>, UnaryDP {
1927 let Inst{15-12} = Rd;
1928 let Inst{11-0} = imm{11-0};
1929 let Inst{19-16} = imm{15-12};
1934 def MOVi16_pic_ga : PseudoInst<(outs GPR:$Rd),
1935 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
1937 let Constraints = "$src = $Rd" in {
1938 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
1940 "movt", "\t$Rd, $imm",
1942 (or (and GPR:$src, 0xffff),
1943 lo16AllZero:$imm))]>, UnaryDP,
1944 Requires<[IsARM, HasV6T2]> {
1947 let Inst{15-12} = Rd;
1948 let Inst{11-0} = imm{11-0};
1949 let Inst{19-16} = imm{15-12};
1954 def MOVTi16_pic_ga : PseudoInst<(outs GPR:$Rd),
1955 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
1959 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1960 Requires<[IsARM, HasV6T2]>;
1962 let Uses = [CPSR] in
1963 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
1964 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1967 // These aren't really mov instructions, but we have to define them this way
1968 // due to flag operands.
1970 let Defs = [CPSR] in {
1971 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1972 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1974 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
1975 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1979 //===----------------------------------------------------------------------===//
1980 // Extend Instructions.
1985 defm SXTB : AI_ext_rrot<0b01101010,
1986 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1987 defm SXTH : AI_ext_rrot<0b01101011,
1988 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1990 defm SXTAB : AI_exta_rrot<0b01101010,
1991 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1992 defm SXTAH : AI_exta_rrot<0b01101011,
1993 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1995 // For disassembly only
1996 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1998 // For disassembly only
1999 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2003 let AddedComplexity = 16 in {
2004 defm UXTB : AI_ext_rrot<0b01101110,
2005 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2006 defm UXTH : AI_ext_rrot<0b01101111,
2007 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2008 defm UXTB16 : AI_ext_rrot<0b01101100,
2009 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2011 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2012 // The transformation should probably be done as a combiner action
2013 // instead so we can include a check for masking back in the upper
2014 // eight bits of the source into the lower eight bits of the result.
2015 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2016 // (UXTB16r_rot GPR:$Src, 24)>;
2017 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2018 (UXTB16r_rot GPR:$Src, 8)>;
2020 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2021 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2022 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2023 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2026 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2027 // For disassembly only
2028 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2031 def SBFX : I<(outs GPR:$Rd),
2032 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2033 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2034 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2035 Requires<[IsARM, HasV6T2]> {
2040 let Inst{27-21} = 0b0111101;
2041 let Inst{6-4} = 0b101;
2042 let Inst{20-16} = width;
2043 let Inst{15-12} = Rd;
2044 let Inst{11-7} = lsb;
2048 def UBFX : I<(outs GPR:$Rd),
2049 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2050 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2051 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2052 Requires<[IsARM, HasV6T2]> {
2057 let Inst{27-21} = 0b0111111;
2058 let Inst{6-4} = 0b101;
2059 let Inst{20-16} = width;
2060 let Inst{15-12} = Rd;
2061 let Inst{11-7} = lsb;
2065 //===----------------------------------------------------------------------===//
2066 // Arithmetic Instructions.
2069 defm ADD : AsI1_bin_irs<0b0100, "add",
2070 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2071 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
2072 defm SUB : AsI1_bin_irs<0b0010, "sub",
2073 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2074 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
2076 // ADD and SUB with 's' bit set.
2077 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2078 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2079 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2080 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2081 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2082 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2084 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2085 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
2086 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2087 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
2089 // ADC and SUBC with 's' bit set.
2090 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
2091 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2092 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
2093 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2095 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2096 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2097 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2102 let Inst{15-12} = Rd;
2103 let Inst{19-16} = Rn;
2104 let Inst{11-0} = imm;
2107 // The reg/reg form is only defined for the disassembler; for codegen it is
2108 // equivalent to SUBrr.
2109 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2110 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2111 [/* For disassembly only; pattern left blank */]> {
2115 let Inst{11-4} = 0b00000000;
2118 let Inst{15-12} = Rd;
2119 let Inst{19-16} = Rn;
2122 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2123 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2124 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2129 let Inst{11-0} = shift;
2130 let Inst{15-12} = Rd;
2131 let Inst{19-16} = Rn;
2134 // RSB with 's' bit set.
2135 let isCodeGenOnly = 1, Defs = [CPSR] in {
2136 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2137 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2138 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2144 let Inst{15-12} = Rd;
2145 let Inst{19-16} = Rn;
2146 let Inst{11-0} = imm;
2148 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2149 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2150 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2156 let Inst{11-0} = shift;
2157 let Inst{15-12} = Rd;
2158 let Inst{19-16} = Rn;
2162 let Uses = [CPSR] in {
2163 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2164 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2165 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2171 let Inst{15-12} = Rd;
2172 let Inst{19-16} = Rn;
2173 let Inst{11-0} = imm;
2175 // The reg/reg form is only defined for the disassembler; for codegen it is
2176 // equivalent to SUBrr.
2177 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2178 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2179 [/* For disassembly only; pattern left blank */]> {
2183 let Inst{11-4} = 0b00000000;
2186 let Inst{15-12} = Rd;
2187 let Inst{19-16} = Rn;
2189 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2190 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2191 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2197 let Inst{11-0} = shift;
2198 let Inst{15-12} = Rd;
2199 let Inst{19-16} = Rn;
2203 // FIXME: Allow these to be predicated.
2204 let isCodeGenOnly = 1, Defs = [CPSR], Uses = [CPSR] in {
2205 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2206 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2207 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2214 let Inst{15-12} = Rd;
2215 let Inst{19-16} = Rn;
2216 let Inst{11-0} = imm;
2218 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2219 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2220 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2227 let Inst{11-0} = shift;
2228 let Inst{15-12} = Rd;
2229 let Inst{19-16} = Rn;
2233 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2234 // The assume-no-carry-in form uses the negation of the input since add/sub
2235 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2236 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2238 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2239 (SUBri GPR:$src, so_imm_neg:$imm)>;
2240 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2241 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2242 // The with-carry-in form matches bitwise not instead of the negation.
2243 // Effectively, the inverse interpretation of the carry flag already accounts
2244 // for part of the negation.
2245 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2246 (SBCri GPR:$src, so_imm_not:$imm)>;
2248 // Note: These are implemented in C++ code, because they have to generate
2249 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2251 // (mul X, 2^n+1) -> (add (X << n), X)
2252 // (mul X, 2^n-1) -> (rsb X, (X << n))
2254 // ARM Arithmetic Instruction -- for disassembly only
2255 // GPR:$dst = GPR:$a op GPR:$b
2256 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2257 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2258 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2259 opc, "\t$Rd, $Rn, $Rm", pattern> {
2263 let Inst{27-20} = op27_20;
2264 let Inst{11-4} = op11_4;
2265 let Inst{19-16} = Rn;
2266 let Inst{15-12} = Rd;
2270 // Saturating add/subtract -- for disassembly only
2272 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2273 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2274 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2275 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2276 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2277 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2279 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2280 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2281 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2282 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2283 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2284 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2285 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2286 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2287 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2288 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2289 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2290 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2292 // Signed/Unsigned add/subtract -- for disassembly only
2294 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2295 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2296 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2297 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2298 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2299 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2300 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2301 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2302 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2303 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2304 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2305 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2307 // Signed/Unsigned halving add/subtract -- for disassembly only
2309 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2310 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2311 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2312 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2313 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2314 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2315 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2316 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2317 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2318 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2319 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2320 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2322 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2324 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2325 MulFrm /* for convenience */, NoItinerary, "usad8",
2326 "\t$Rd, $Rn, $Rm", []>,
2327 Requires<[IsARM, HasV6]> {
2331 let Inst{27-20} = 0b01111000;
2332 let Inst{15-12} = 0b1111;
2333 let Inst{7-4} = 0b0001;
2334 let Inst{19-16} = Rd;
2335 let Inst{11-8} = Rm;
2338 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2339 MulFrm /* for convenience */, NoItinerary, "usada8",
2340 "\t$Rd, $Rn, $Rm, $Ra", []>,
2341 Requires<[IsARM, HasV6]> {
2346 let Inst{27-20} = 0b01111000;
2347 let Inst{7-4} = 0b0001;
2348 let Inst{19-16} = Rd;
2349 let Inst{15-12} = Ra;
2350 let Inst{11-8} = Rm;
2354 // Signed/Unsigned saturate -- for disassembly only
2356 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2357 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2358 [/* For disassembly only; pattern left blank */]> {
2363 let Inst{27-21} = 0b0110101;
2364 let Inst{5-4} = 0b01;
2365 let Inst{20-16} = sat_imm;
2366 let Inst{15-12} = Rd;
2367 let Inst{11-7} = sh{7-3};
2368 let Inst{6} = sh{0};
2372 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2373 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2374 [/* For disassembly only; pattern left blank */]> {
2378 let Inst{27-20} = 0b01101010;
2379 let Inst{11-4} = 0b11110011;
2380 let Inst{15-12} = Rd;
2381 let Inst{19-16} = sat_imm;
2385 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2386 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2387 [/* For disassembly only; pattern left blank */]> {
2392 let Inst{27-21} = 0b0110111;
2393 let Inst{5-4} = 0b01;
2394 let Inst{15-12} = Rd;
2395 let Inst{11-7} = sh{7-3};
2396 let Inst{6} = sh{0};
2397 let Inst{20-16} = sat_imm;
2401 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2402 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2403 [/* For disassembly only; pattern left blank */]> {
2407 let Inst{27-20} = 0b01101110;
2408 let Inst{11-4} = 0b11110011;
2409 let Inst{15-12} = Rd;
2410 let Inst{19-16} = sat_imm;
2414 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2415 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2417 //===----------------------------------------------------------------------===//
2418 // Bitwise Instructions.
2421 defm AND : AsI1_bin_irs<0b0000, "and",
2422 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2423 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2424 defm ORR : AsI1_bin_irs<0b1100, "orr",
2425 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2426 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2427 defm EOR : AsI1_bin_irs<0b0001, "eor",
2428 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2429 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2430 defm BIC : AsI1_bin_irs<0b1110, "bic",
2431 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2432 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2434 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2435 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2436 "bfc", "\t$Rd, $imm", "$src = $Rd",
2437 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2438 Requires<[IsARM, HasV6T2]> {
2441 let Inst{27-21} = 0b0111110;
2442 let Inst{6-0} = 0b0011111;
2443 let Inst{15-12} = Rd;
2444 let Inst{11-7} = imm{4-0}; // lsb
2445 let Inst{20-16} = imm{9-5}; // width
2448 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2449 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2450 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2451 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2452 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2453 bf_inv_mask_imm:$imm))]>,
2454 Requires<[IsARM, HasV6T2]> {
2458 let Inst{27-21} = 0b0111110;
2459 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2460 let Inst{15-12} = Rd;
2461 let Inst{11-7} = imm{4-0}; // lsb
2462 let Inst{20-16} = imm{9-5}; // width
2466 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2467 "mvn", "\t$Rd, $Rm",
2468 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2472 let Inst{19-16} = 0b0000;
2473 let Inst{11-4} = 0b00000000;
2474 let Inst{15-12} = Rd;
2477 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2478 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2479 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2483 let Inst{19-16} = 0b0000;
2484 let Inst{15-12} = Rd;
2485 let Inst{11-0} = shift;
2487 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2488 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2489 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2490 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2494 let Inst{19-16} = 0b0000;
2495 let Inst{15-12} = Rd;
2496 let Inst{11-0} = imm;
2499 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2500 (BICri GPR:$src, so_imm_not:$imm)>;
2502 //===----------------------------------------------------------------------===//
2503 // Multiply Instructions.
2505 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2506 string opc, string asm, list<dag> pattern>
2507 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2511 let Inst{19-16} = Rd;
2512 let Inst{11-8} = Rm;
2515 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2516 string opc, string asm, list<dag> pattern>
2517 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2522 let Inst{19-16} = RdHi;
2523 let Inst{15-12} = RdLo;
2524 let Inst{11-8} = Rm;
2528 let isCommutable = 1 in {
2529 let Constraints = "@earlyclobber $Rd" in
2530 def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2531 pred:$p, cc_out:$s),
2532 Size4Bytes, IIC_iMUL32,
2533 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2534 Requires<[IsARM, NoV6]>;
2536 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2537 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2538 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2539 Requires<[IsARM, HasV6]>;
2542 let Constraints = "@earlyclobber $Rd" in
2543 def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
2544 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2545 Size4Bytes, IIC_iMAC32,
2546 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2547 Requires<[IsARM, NoV6]> {
2549 let Inst{15-12} = Ra;
2551 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2552 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2553 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2554 Requires<[IsARM, HasV6]> {
2556 let Inst{15-12} = Ra;
2559 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2560 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2561 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2562 Requires<[IsARM, HasV6T2]> {
2567 let Inst{19-16} = Rd;
2568 let Inst{15-12} = Ra;
2569 let Inst{11-8} = Rm;
2573 // Extra precision multiplies with low / high results
2575 let neverHasSideEffects = 1 in {
2576 let isCommutable = 1 in {
2577 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2578 def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2579 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2580 Size4Bytes, IIC_iMUL64, []>,
2581 Requires<[IsARM, NoV6]>;
2583 def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2584 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2585 Size4Bytes, IIC_iMUL64, []>,
2586 Requires<[IsARM, NoV6]>;
2589 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2590 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2591 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2592 Requires<[IsARM, HasV6]>;
2594 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2595 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2596 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2597 Requires<[IsARM, HasV6]>;
2600 // Multiply + accumulate
2601 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2602 def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2603 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2604 Size4Bytes, IIC_iMAC64, []>,
2605 Requires<[IsARM, NoV6]>;
2606 def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2607 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2608 Size4Bytes, IIC_iMAC64, []>,
2609 Requires<[IsARM, NoV6]>;
2610 def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
2611 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2612 Size4Bytes, IIC_iMAC64, []>,
2613 Requires<[IsARM, NoV6]>;
2617 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2618 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2619 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2620 Requires<[IsARM, HasV6]>;
2621 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2622 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2623 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2624 Requires<[IsARM, HasV6]>;
2626 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2627 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2628 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2629 Requires<[IsARM, HasV6]> {
2634 let Inst{19-16} = RdLo;
2635 let Inst{15-12} = RdHi;
2636 let Inst{11-8} = Rm;
2639 } // neverHasSideEffects
2641 // Most significant word multiply
2642 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2643 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2644 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2645 Requires<[IsARM, HasV6]> {
2646 let Inst{15-12} = 0b1111;
2649 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2650 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2651 [/* For disassembly only; pattern left blank */]>,
2652 Requires<[IsARM, HasV6]> {
2653 let Inst{15-12} = 0b1111;
2656 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2657 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2658 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2659 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2660 Requires<[IsARM, HasV6]>;
2662 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2663 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2664 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2665 [/* For disassembly only; pattern left blank */]>,
2666 Requires<[IsARM, HasV6]>;
2668 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2669 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2670 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2671 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2672 Requires<[IsARM, HasV6]>;
2674 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2675 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2676 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2677 [/* For disassembly only; pattern left blank */]>,
2678 Requires<[IsARM, HasV6]>;
2680 multiclass AI_smul<string opc, PatFrag opnode> {
2681 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2682 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2683 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2684 (sext_inreg GPR:$Rm, i16)))]>,
2685 Requires<[IsARM, HasV5TE]>;
2687 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2688 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2689 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2690 (sra GPR:$Rm, (i32 16))))]>,
2691 Requires<[IsARM, HasV5TE]>;
2693 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2694 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2695 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2696 (sext_inreg GPR:$Rm, i16)))]>,
2697 Requires<[IsARM, HasV5TE]>;
2699 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2700 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2701 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2702 (sra GPR:$Rm, (i32 16))))]>,
2703 Requires<[IsARM, HasV5TE]>;
2705 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2706 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2707 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2708 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2709 Requires<[IsARM, HasV5TE]>;
2711 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2712 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2713 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2714 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2715 Requires<[IsARM, HasV5TE]>;
2719 multiclass AI_smla<string opc, PatFrag opnode> {
2720 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2721 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2722 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2723 [(set GPR:$Rd, (add GPR:$Ra,
2724 (opnode (sext_inreg GPR:$Rn, i16),
2725 (sext_inreg GPR:$Rm, i16))))]>,
2726 Requires<[IsARM, HasV5TE]>;
2728 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2729 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2730 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2731 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2732 (sra GPR:$Rm, (i32 16)))))]>,
2733 Requires<[IsARM, HasV5TE]>;
2735 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2736 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2737 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2738 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2739 (sext_inreg GPR:$Rm, i16))))]>,
2740 Requires<[IsARM, HasV5TE]>;
2742 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2743 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2744 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2745 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2746 (sra GPR:$Rm, (i32 16)))))]>,
2747 Requires<[IsARM, HasV5TE]>;
2749 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2750 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2751 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2752 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2753 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2754 Requires<[IsARM, HasV5TE]>;
2756 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2757 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2758 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2759 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2760 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2761 Requires<[IsARM, HasV5TE]>;
2764 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2765 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2767 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2768 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2769 (ins GPR:$Rn, GPR:$Rm),
2770 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2771 [/* For disassembly only; pattern left blank */]>,
2772 Requires<[IsARM, HasV5TE]>;
2774 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2775 (ins GPR:$Rn, GPR:$Rm),
2776 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2777 [/* For disassembly only; pattern left blank */]>,
2778 Requires<[IsARM, HasV5TE]>;
2780 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2781 (ins GPR:$Rn, GPR:$Rm),
2782 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2783 [/* For disassembly only; pattern left blank */]>,
2784 Requires<[IsARM, HasV5TE]>;
2786 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2787 (ins GPR:$Rn, GPR:$Rm),
2788 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2789 [/* For disassembly only; pattern left blank */]>,
2790 Requires<[IsARM, HasV5TE]>;
2792 // Helper class for AI_smld -- for disassembly only
2793 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2794 InstrItinClass itin, string opc, string asm>
2795 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2802 let Inst{21-20} = 0b00;
2803 let Inst{22} = long;
2804 let Inst{27-23} = 0b01110;
2805 let Inst{11-8} = Rm;
2808 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2809 InstrItinClass itin, string opc, string asm>
2810 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2812 let Inst{15-12} = 0b1111;
2813 let Inst{19-16} = Rd;
2815 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2816 InstrItinClass itin, string opc, string asm>
2817 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2819 let Inst{15-12} = Ra;
2821 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2822 InstrItinClass itin, string opc, string asm>
2823 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2826 let Inst{19-16} = RdHi;
2827 let Inst{15-12} = RdLo;
2830 multiclass AI_smld<bit sub, string opc> {
2832 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2833 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2835 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2836 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2838 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2839 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2840 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2842 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2843 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2844 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2848 defm SMLA : AI_smld<0, "smla">;
2849 defm SMLS : AI_smld<1, "smls">;
2851 multiclass AI_sdml<bit sub, string opc> {
2853 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2854 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2855 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2856 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2859 defm SMUA : AI_sdml<0, "smua">;
2860 defm SMUS : AI_sdml<1, "smus">;
2862 //===----------------------------------------------------------------------===//
2863 // Misc. Arithmetic Instructions.
2866 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2867 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2868 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2870 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2871 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2872 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2873 Requires<[IsARM, HasV6T2]>;
2875 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2876 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2877 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2879 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2880 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2882 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2883 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2884 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2885 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2886 Requires<[IsARM, HasV6]>;
2888 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2889 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2892 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2893 (shl GPR:$Rm, (i32 8))), i16))]>,
2894 Requires<[IsARM, HasV6]>;
2896 def lsl_shift_imm : SDNodeXForm<imm, [{
2897 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2898 return CurDAG->getTargetConstant(Sh, MVT::i32);
2901 def lsl_amt : PatLeaf<(i32 imm), [{
2902 return (N->getZExtValue() < 32);
2905 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2906 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2907 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2908 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2909 (and (shl GPR:$Rm, lsl_amt:$sh),
2911 Requires<[IsARM, HasV6]>;
2913 // Alternate cases for PKHBT where identities eliminate some nodes.
2914 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2915 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2916 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2917 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2919 def asr_shift_imm : SDNodeXForm<imm, [{
2920 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2921 return CurDAG->getTargetConstant(Sh, MVT::i32);
2924 def asr_amt : PatLeaf<(i32 imm), [{
2925 return (N->getZExtValue() <= 32);
2928 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2929 // will match the pattern below.
2930 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2931 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2932 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2933 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2934 (and (sra GPR:$Rm, asr_amt:$sh),
2936 Requires<[IsARM, HasV6]>;
2938 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2939 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2940 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2941 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2942 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2943 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2944 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2946 //===----------------------------------------------------------------------===//
2947 // Comparison Instructions...
2950 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2951 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2952 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2954 // ARMcmpZ can re-use the above instruction definitions.
2955 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
2956 (CMPri GPR:$src, so_imm:$imm)>;
2957 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
2958 (CMPrr GPR:$src, GPR:$rhs)>;
2959 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
2960 (CMPrs GPR:$src, so_reg:$rhs)>;
2962 // FIXME: We have to be careful when using the CMN instruction and comparison
2963 // with 0. One would expect these two pieces of code should give identical
2979 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2980 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2981 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2982 // value of r0 and the carry bit (because the "carry bit" parameter to
2983 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2984 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2985 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2986 // parameter to AddWithCarry is defined as 0).
2988 // When x is 0 and unsigned:
2992 // ~x + 1 = 0x1 0000 0000
2993 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2995 // Therefore, we should disable CMN when comparing against zero, until we can
2996 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2997 // when it's a comparison which doesn't look at the 'carry' flag).
2999 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3001 // This is related to <rdar://problem/7569620>.
3003 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3004 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3006 // Note that TST/TEQ don't set all the same flags that CMP does!
3007 defm TST : AI1_cmp_irs<0b1000, "tst",
3008 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3009 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3010 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3011 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3012 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3014 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3015 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3016 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3018 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3019 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3021 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3022 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3024 // Pseudo i64 compares for some floating point compares.
3025 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3027 def BCCi64 : PseudoInst<(outs),
3028 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3030 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3032 def BCCZi64 : PseudoInst<(outs),
3033 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3034 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3035 } // usesCustomInserter
3038 // Conditional moves
3039 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3040 // a two-value operand where a dag node expects two operands. :(
3041 // FIXME: These should all be pseudo-instructions that get expanded to
3042 // the normal MOV instructions. That would fix the dependency on
3043 // special casing them in tblgen.
3044 let neverHasSideEffects = 1 in {
3045 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
3046 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
3047 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3048 RegConstraint<"$false = $Rd">, UnaryDP {
3053 let Inst{15-12} = Rd;
3054 let Inst{11-4} = 0b00000000;
3058 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
3059 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
3060 "mov", "\t$Rd, $shift",
3061 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3062 RegConstraint<"$false = $Rd">, UnaryDP {
3067 let Inst{19-16} = 0;
3068 let Inst{15-12} = Rd;
3069 let Inst{11-0} = shift;
3072 let isMoveImm = 1 in
3073 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm_hilo16:$imm),
3075 "movw", "\t$Rd, $imm",
3077 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
3083 let Inst{19-16} = imm{15-12};
3084 let Inst{15-12} = Rd;
3085 let Inst{11-0} = imm{11-0};
3088 let isMoveImm = 1 in
3089 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
3090 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3091 "mov", "\t$Rd, $imm",
3092 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3093 RegConstraint<"$false = $Rd">, UnaryDP {
3098 let Inst{19-16} = 0b0000;
3099 let Inst{15-12} = Rd;
3100 let Inst{11-0} = imm;
3103 // Two instruction predicate mov immediate.
3104 let isMoveImm = 1 in
3105 def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
3106 (ins GPR:$false, i32imm:$src, pred:$p),
3107 IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3109 let isMoveImm = 1 in
3110 def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
3111 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
3112 "mvn", "\t$Rd, $imm",
3113 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3114 RegConstraint<"$false = $Rd">, UnaryDP {
3119 let Inst{19-16} = 0b0000;
3120 let Inst{15-12} = Rd;
3121 let Inst{11-0} = imm;
3123 } // neverHasSideEffects
3125 //===----------------------------------------------------------------------===//
3126 // Atomic operations intrinsics
3129 def memb_opt : Operand<i32> {
3130 let PrintMethod = "printMemBOption";
3133 // memory barriers protect the atomic sequences
3134 let hasSideEffects = 1 in {
3135 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3136 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3137 Requires<[IsARM, HasDB]> {
3139 let Inst{31-4} = 0xf57ff05;
3140 let Inst{3-0} = opt;
3143 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
3144 "mcr", "\tp15, 0, $zero, c7, c10, 5",
3145 [(ARMMemBarrierMCR GPR:$zero)]>,
3146 Requires<[IsARM, HasV6]> {
3147 // FIXME: add encoding
3151 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3153 [/* For disassembly only; pattern left blank */]>,
3154 Requires<[IsARM, HasDB]> {
3156 let Inst{31-4} = 0xf57ff04;
3157 let Inst{3-0} = opt;
3160 // ISB has only full system option -- for disassembly only
3161 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
3162 Requires<[IsARM, HasDB]> {
3163 let Inst{31-4} = 0xf57ff06;
3164 let Inst{3-0} = 0b1111;
3167 let usesCustomInserter = 1 in {
3168 let Uses = [CPSR] in {
3169 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3170 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3171 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3172 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3173 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3174 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3175 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3176 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3177 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3178 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3179 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3180 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3181 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3182 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3183 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3184 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3185 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3186 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3187 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3188 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3189 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3190 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3191 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3192 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3193 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3194 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3195 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3196 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3197 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3198 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3199 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3200 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3201 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3202 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3203 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3204 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3205 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3206 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3207 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3208 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3209 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3210 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3211 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3212 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3213 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3214 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3215 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3216 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3217 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3218 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3219 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3220 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3221 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3222 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3224 def ATOMIC_SWAP_I8 : PseudoInst<
3225 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3226 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3227 def ATOMIC_SWAP_I16 : PseudoInst<
3228 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3229 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3230 def ATOMIC_SWAP_I32 : PseudoInst<
3231 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3232 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3234 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3235 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3236 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3237 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3238 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3239 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3240 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3241 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3242 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3246 let mayLoad = 1 in {
3247 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3248 "ldrexb", "\t$Rt, [$Rn]",
3250 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3251 "ldrexh", "\t$Rt, [$Rn]",
3253 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3254 "ldrex", "\t$Rt, [$Rn]",
3256 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3258 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3262 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3263 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3265 "strexb", "\t$Rd, $src, [$Rn]",
3267 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3269 "strexh", "\t$Rd, $Rt, [$Rn]",
3271 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3273 "strex", "\t$Rd, $Rt, [$Rn]",
3275 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3276 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3278 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3282 // Clear-Exclusive is for disassembly only.
3283 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3284 [/* For disassembly only; pattern left blank */]>,
3285 Requires<[IsARM, HasV7]> {
3286 let Inst{31-0} = 0b11110101011111111111000000011111;
3289 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3290 let mayLoad = 1 in {
3291 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3292 [/* For disassembly only; pattern left blank */]>;
3293 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3294 [/* For disassembly only; pattern left blank */]>;
3297 //===----------------------------------------------------------------------===//
3301 // __aeabi_read_tp preserves the registers r1-r3.
3302 // This is a pseudo inst so that we can get the encoding right,
3303 // complete with fixup for the aeabi_read_tp function.
3305 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3306 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3307 [(set R0, ARMthread_pointer)]>;
3310 //===----------------------------------------------------------------------===//
3311 // SJLJ Exception handling intrinsics
3312 // eh_sjlj_setjmp() is an instruction sequence to store the return
3313 // address and save #0 in R0 for the non-longjmp case.
3314 // Since by its nature we may be coming from some other function to get
3315 // here, and we're using the stack frame for the containing function to
3316 // save/restore registers, we can't keep anything live in regs across
3317 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3318 // when we get here from a longjmp(). We force everthing out of registers
3319 // except for our own input by listing the relevant registers in Defs. By
3320 // doing so, we also cause the prologue/epilogue code to actively preserve
3321 // all of the callee-saved resgisters, which is exactly what we want.
3322 // A constant value is passed in $val, and we use the location as a scratch.
3324 // These are pseudo-instructions and are lowered to individual MC-insts, so
3325 // no encoding information is necessary.
3327 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3328 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3329 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3330 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3331 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3333 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3334 Requires<[IsARM, HasVFP2]>;
3338 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3339 hasSideEffects = 1, isBarrier = 1 in {
3340 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3342 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3343 Requires<[IsARM, NoVFP]>;
3346 // FIXME: Non-Darwin version(s)
3347 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3348 Defs = [ R7, LR, SP ] in {
3349 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3351 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3352 Requires<[IsARM, IsDarwin]>;
3355 // eh.sjlj.dispatchsetup pseudo-instruction.
3356 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3357 // handled when the pseudo is expanded (which happens before any passes
3358 // that need the instruction size).
3359 let isBarrier = 1, hasSideEffects = 1 in
3360 def Int_eh_sjlj_dispatchsetup :
3361 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3362 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3363 Requires<[IsDarwin]>;
3365 //===----------------------------------------------------------------------===//
3366 // Non-Instruction Patterns
3369 // Large immediate handling.
3371 // 32-bit immediate using two piece so_imms or movw + movt.
3372 // This is a single pseudo instruction, the benefit is that it can be remat'd
3373 // as a single unit instead of having to handle reg inputs.
3374 // FIXME: Remove this when we can do generalized remat.
3375 let isReMaterializable = 1, isMoveImm = 1 in {
3376 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3377 [(set GPR:$dst, (arm_i32imm:$src))]>,
3380 def MOV_pic_ga : PseudoInst<(outs GPR:$dst),
3381 (ins i32imm:$addr, pclabel:$id), IIC_iMOVix2,
3382 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr, imm:$id))]>,
3383 Requires<[IsARM, UseMovt]>;
3384 } // isReMaterializable = 1, isMoveImm = 1 in
3386 // ConstantPool, GlobalAddress, and JumpTable
3387 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3388 Requires<[IsARM, DontUseMovt]>;
3389 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3390 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3391 Requires<[IsARM, UseMovt]>;
3392 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3393 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3395 // TODO: add,sub,and, 3-instr forms?
3398 def : ARMPat<(ARMtcret tcGPR:$dst),
3399 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3401 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3402 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3404 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3405 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3407 def : ARMPat<(ARMtcret tcGPR:$dst),
3408 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3410 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3411 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3413 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3414 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3417 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3418 Requires<[IsARM, IsNotDarwin]>;
3419 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3420 Requires<[IsARM, IsDarwin]>;
3422 // zextload i1 -> zextload i8
3423 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3424 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3426 // extload -> zextload
3427 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3428 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3429 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3430 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3432 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3434 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3435 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3438 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3439 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3440 (SMULBB GPR:$a, GPR:$b)>;
3441 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3442 (SMULBB GPR:$a, GPR:$b)>;
3443 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3444 (sra GPR:$b, (i32 16))),
3445 (SMULBT GPR:$a, GPR:$b)>;
3446 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3447 (SMULBT GPR:$a, GPR:$b)>;
3448 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3449 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3450 (SMULTB GPR:$a, GPR:$b)>;
3451 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3452 (SMULTB GPR:$a, GPR:$b)>;
3453 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3455 (SMULWB GPR:$a, GPR:$b)>;
3456 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3457 (SMULWB GPR:$a, GPR:$b)>;
3459 def : ARMV5TEPat<(add GPR:$acc,
3460 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3461 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3462 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3463 def : ARMV5TEPat<(add GPR:$acc,
3464 (mul sext_16_node:$a, sext_16_node:$b)),
3465 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3466 def : ARMV5TEPat<(add GPR:$acc,
3467 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3468 (sra GPR:$b, (i32 16)))),
3469 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3470 def : ARMV5TEPat<(add GPR:$acc,
3471 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3472 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3473 def : ARMV5TEPat<(add GPR:$acc,
3474 (mul (sra GPR:$a, (i32 16)),
3475 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3476 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3477 def : ARMV5TEPat<(add GPR:$acc,
3478 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3479 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3480 def : ARMV5TEPat<(add GPR:$acc,
3481 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3483 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3484 def : ARMV5TEPat<(add GPR:$acc,
3485 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3486 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3488 //===----------------------------------------------------------------------===//
3492 include "ARMInstrThumb.td"
3494 //===----------------------------------------------------------------------===//
3498 include "ARMInstrThumb2.td"
3500 //===----------------------------------------------------------------------===//
3501 // Floating Point Support
3504 include "ARMInstrVFP.td"
3506 //===----------------------------------------------------------------------===//
3507 // Advanced SIMD (NEON) Support
3510 include "ARMInstrNEON.td"
3512 //===----------------------------------------------------------------------===//
3513 // Coprocessor Instructions. For disassembly only.
3516 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3517 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3518 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3519 [/* For disassembly only; pattern left blank */]> {
3523 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3524 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3525 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3526 [/* For disassembly only; pattern left blank */]> {
3527 let Inst{31-28} = 0b1111;
3531 class ACI<dag oops, dag iops, string opc, string asm>
3532 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3533 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3534 let Inst{27-25} = 0b110;
3537 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3539 def _OFFSET : ACI<(outs),
3540 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3541 opc, "\tp$cop, cr$CRd, $addr"> {
3542 let Inst{31-28} = op31_28;
3543 let Inst{24} = 1; // P = 1
3544 let Inst{21} = 0; // W = 0
3545 let Inst{22} = 0; // D = 0
3546 let Inst{20} = load;
3549 def _PRE : ACI<(outs),
3550 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3551 opc, "\tp$cop, cr$CRd, $addr!"> {
3552 let Inst{31-28} = op31_28;
3553 let Inst{24} = 1; // P = 1
3554 let Inst{21} = 1; // W = 1
3555 let Inst{22} = 0; // D = 0
3556 let Inst{20} = load;
3559 def _POST : ACI<(outs),
3560 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3561 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3562 let Inst{31-28} = op31_28;
3563 let Inst{24} = 0; // P = 0
3564 let Inst{21} = 1; // W = 1
3565 let Inst{22} = 0; // D = 0
3566 let Inst{20} = load;
3569 def _OPTION : ACI<(outs),
3570 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3571 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3572 let Inst{31-28} = op31_28;
3573 let Inst{24} = 0; // P = 0
3574 let Inst{23} = 1; // U = 1
3575 let Inst{21} = 0; // W = 0
3576 let Inst{22} = 0; // D = 0
3577 let Inst{20} = load;
3580 def L_OFFSET : ACI<(outs),
3581 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3582 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3583 let Inst{31-28} = op31_28;
3584 let Inst{24} = 1; // P = 1
3585 let Inst{21} = 0; // W = 0
3586 let Inst{22} = 1; // D = 1
3587 let Inst{20} = load;
3590 def L_PRE : ACI<(outs),
3591 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3592 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3593 let Inst{31-28} = op31_28;
3594 let Inst{24} = 1; // P = 1
3595 let Inst{21} = 1; // W = 1
3596 let Inst{22} = 1; // D = 1
3597 let Inst{20} = load;
3600 def L_POST : ACI<(outs),
3601 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3602 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3603 let Inst{31-28} = op31_28;
3604 let Inst{24} = 0; // P = 0
3605 let Inst{21} = 1; // W = 1
3606 let Inst{22} = 1; // D = 1
3607 let Inst{20} = load;
3610 def L_OPTION : ACI<(outs),
3611 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3612 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3613 let Inst{31-28} = op31_28;
3614 let Inst{24} = 0; // P = 0
3615 let Inst{23} = 1; // U = 1
3616 let Inst{21} = 0; // W = 0
3617 let Inst{22} = 1; // D = 1
3618 let Inst{20} = load;
3622 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3623 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3624 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3625 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3627 def MCR : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3628 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3629 NoItinerary, "mcr", "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
3630 [/* For disassembly only; pattern left blank */]> {
3641 let Inst{15-12} = Rt;
3642 let Inst{11-8} = cop;
3643 let Inst{23-21} = opc1;
3644 let Inst{7-5} = opc2;
3645 let Inst{3-0} = CRm;
3646 let Inst{19-16} = CRn;
3649 def MCR2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3650 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3651 NoItinerary, "mcr2\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
3652 [/* For disassembly only; pattern left blank */]> {
3653 let Inst{31-28} = 0b1111;
3664 let Inst{15-12} = Rt;
3665 let Inst{11-8} = cop;
3666 let Inst{23-21} = opc1;
3667 let Inst{7-5} = opc2;
3668 let Inst{3-0} = CRm;
3669 let Inst{19-16} = CRn;
3672 def MRC : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3673 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3674 NoItinerary, "mrc", "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
3675 [/* For disassembly only; pattern left blank */]> {
3686 let Inst{15-12} = Rt;
3687 let Inst{11-8} = cop;
3688 let Inst{23-21} = opc1;
3689 let Inst{7-5} = opc2;
3690 let Inst{3-0} = CRm;
3691 let Inst{19-16} = CRn;
3694 def MRC2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
3695 GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
3696 NoItinerary, "mrc2\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
3697 [/* For disassembly only; pattern left blank */]> {
3698 let Inst{31-28} = 0b1111;
3709 let Inst{15-12} = Rt;
3710 let Inst{11-8} = cop;
3711 let Inst{23-21} = opc1;
3712 let Inst{7-5} = opc2;
3713 let Inst{3-0} = CRm;
3714 let Inst{19-16} = CRn;
3717 def MCRR : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc,
3718 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3719 NoItinerary, "mcrr", "\t$cop, $opc, $Rt, $Rt2, $CRm",
3720 [/* For disassembly only; pattern left blank */]> {
3721 let Inst{23-20} = 0b0100;
3729 let Inst{15-12} = Rt;
3730 let Inst{19-16} = Rt2;
3731 let Inst{11-8} = cop;
3732 let Inst{7-5} = opc1;
3733 let Inst{3-0} = CRm;
3736 def MCRR2 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc,
3737 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3738 NoItinerary, "mcrr2\t$cop, $opc, $Rt, $Rt2, $CRm",
3739 [/* For disassembly only; pattern left blank */]> {
3740 let Inst{31-28} = 0b1111;
3741 let Inst{23-20} = 0b0100;
3749 let Inst{15-12} = Rt;
3750 let Inst{19-16} = Rt2;
3751 let Inst{11-8} = cop;
3752 let Inst{7-5} = opc1;
3753 let Inst{3-0} = CRm;
3756 def MRRC : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc,
3757 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3758 NoItinerary, "mrrc", "\t$cop, $opc, $Rt, $Rt2, $CRm",
3759 [/* For disassembly only; pattern left blank */]> {
3760 let Inst{23-20} = 0b0101;
3768 let Inst{15-12} = Rt;
3769 let Inst{19-16} = Rt2;
3770 let Inst{11-8} = cop;
3771 let Inst{7-5} = opc1;
3772 let Inst{3-0} = CRm;
3775 def MRRC2 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc,
3776 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3777 NoItinerary, "mrrc2\t$cop, $opc, $Rt, $Rt2, $CRm",
3778 [/* For disassembly only; pattern left blank */]> {
3779 let Inst{31-28} = 0b1111;
3780 let Inst{23-20} = 0b0101;
3788 let Inst{15-12} = Rt;
3789 let Inst{19-16} = Rt2;
3790 let Inst{11-8} = cop;
3791 let Inst{7-5} = opc1;
3792 let Inst{3-0} = CRm;
3795 //===----------------------------------------------------------------------===//
3796 // Move between special register and ARM core register -- for disassembly only
3799 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3800 [/* For disassembly only; pattern left blank */]> {
3801 let Inst{23-20} = 0b0000;
3802 let Inst{7-4} = 0b0000;
3805 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3806 [/* For disassembly only; pattern left blank */]> {
3807 let Inst{23-20} = 0b0100;
3808 let Inst{7-4} = 0b0000;
3811 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3812 "msr", "\tcpsr$mask, $src",
3813 [/* For disassembly only; pattern left blank */]> {
3814 let Inst{23-20} = 0b0010;
3815 let Inst{7-4} = 0b0000;
3818 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3819 "msr", "\tcpsr$mask, $a",
3820 [/* For disassembly only; pattern left blank */]> {
3821 let Inst{23-20} = 0b0010;
3822 let Inst{7-4} = 0b0000;
3825 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3826 "msr", "\tspsr$mask, $src",
3827 [/* For disassembly only; pattern left blank */]> {
3828 let Inst{23-20} = 0b0110;
3829 let Inst{7-4} = 0b0000;
3832 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3833 "msr", "\tspsr$mask, $a",
3834 [/* For disassembly only; pattern left blank */]> {
3835 let Inst{23-20} = 0b0110;
3836 let Inst{7-4} = 0b0000;