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, [SDTCisInt<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_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
43 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
44 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
46 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
47 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
50 def SDT_ARMMEMBARRIERV7 : SDTypeProfile<0, 0, []>;
51 def SDT_ARMSYNCBARRIERV7 : SDTypeProfile<0, 0, []>;
52 def SDT_ARMMEMBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
53 def SDT_ARMSYNCBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
56 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
57 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
59 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
60 [SDNPHasChain, SDNPOutFlag]>;
61 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
62 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
64 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
65 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
66 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
67 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
68 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
69 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
71 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
72 [SDNPHasChain, SDNPOptInFlag]>;
74 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
76 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
79 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
80 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
82 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
84 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
87 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
90 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
91 [SDNPOutFlag,SDNPCommutative]>;
93 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
95 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
96 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
97 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
99 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
100 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
102 def ARMMemBarrierV7 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV7,
104 def ARMSyncBarrierV7 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV7,
106 def ARMMemBarrierV6 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV6,
108 def ARMSyncBarrierV6 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV6,
111 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
113 //===----------------------------------------------------------------------===//
114 // ARM Instruction Predicate Definitions.
116 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
117 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
118 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
119 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
120 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
121 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
122 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
123 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
124 def HasNEON : Predicate<"Subtarget->hasNEON()">;
125 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
126 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
127 def IsThumb : Predicate<"Subtarget->isThumb()">;
128 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
129 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
130 def IsARM : Predicate<"!Subtarget->isThumb()">;
131 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
132 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
134 // FIXME: Eventually this will be just "hasV6T2Ops".
135 def UseMovt : Predicate<"Subtarget->useMovt()">;
136 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
138 //===----------------------------------------------------------------------===//
139 // ARM Flag Definitions.
141 class RegConstraint<string C> {
142 string Constraints = C;
145 //===----------------------------------------------------------------------===//
146 // ARM specific transformation functions and pattern fragments.
149 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
150 // so_imm_neg def below.
151 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
152 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
155 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
156 // so_imm_not def below.
157 def so_imm_not_XFORM : SDNodeXForm<imm, [{
158 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
161 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
162 def rot_imm : PatLeaf<(i32 imm), [{
163 int32_t v = (int32_t)N->getZExtValue();
164 return v == 8 || v == 16 || v == 24;
167 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
168 def imm1_15 : PatLeaf<(i32 imm), [{
169 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
172 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
173 def imm16_31 : PatLeaf<(i32 imm), [{
174 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
179 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
180 }], so_imm_neg_XFORM>;
184 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
185 }], so_imm_not_XFORM>;
187 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
188 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
189 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
192 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
194 def bf_inv_mask_imm : Operand<i32>,
196 uint32_t v = (uint32_t)N->getZExtValue();
199 // there can be 1's on either or both "outsides", all the "inside"
201 unsigned int lsb = 0, msb = 31;
202 while (v & (1 << msb)) --msb;
203 while (v & (1 << lsb)) ++lsb;
204 for (unsigned int i = lsb; i <= msb; ++i) {
210 let PrintMethod = "printBitfieldInvMaskImmOperand";
213 /// Split a 32-bit immediate into two 16 bit parts.
214 def lo16 : SDNodeXForm<imm, [{
215 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
219 def hi16 : SDNodeXForm<imm, [{
220 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
223 def lo16AllZero : PatLeaf<(i32 imm), [{
224 // Returns true if all low 16-bits are 0.
225 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
228 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
230 def imm0_65535 : PatLeaf<(i32 imm), [{
231 return (uint32_t)N->getZExtValue() < 65536;
234 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
235 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
237 /// adde and sube predicates - True based on whether the carry flag output
238 /// will be needed or not.
239 def adde_dead_carry :
240 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
241 [{return !N->hasAnyUseOfValue(1);}]>;
242 def sube_dead_carry :
243 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
244 [{return !N->hasAnyUseOfValue(1);}]>;
245 def adde_live_carry :
246 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
247 [{return N->hasAnyUseOfValue(1);}]>;
248 def sube_live_carry :
249 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
250 [{return N->hasAnyUseOfValue(1);}]>;
252 //===----------------------------------------------------------------------===//
253 // Operand Definitions.
257 def brtarget : Operand<OtherVT>;
259 // A list of registers separated by comma. Used by load/store multiple.
260 def reglist : Operand<i32> {
261 let PrintMethod = "printRegisterList";
264 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
265 def cpinst_operand : Operand<i32> {
266 let PrintMethod = "printCPInstOperand";
269 def jtblock_operand : Operand<i32> {
270 let PrintMethod = "printJTBlockOperand";
272 def jt2block_operand : Operand<i32> {
273 let PrintMethod = "printJT2BlockOperand";
277 def pclabel : Operand<i32> {
278 let PrintMethod = "printPCLabel";
281 // shifter_operand operands: so_reg and so_imm.
282 def so_reg : Operand<i32>, // reg reg imm
283 ComplexPattern<i32, 3, "SelectShifterOperandReg",
284 [shl,srl,sra,rotr]> {
285 let PrintMethod = "printSORegOperand";
286 let MIOperandInfo = (ops GPR, GPR, i32imm);
289 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
290 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
291 // represented in the imm field in the same 12-bit form that they are encoded
292 // into so_imm instructions: the 8-bit immediate is the least significant bits
293 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
294 def so_imm : Operand<i32>,
296 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
298 let PrintMethod = "printSOImmOperand";
301 // Break so_imm's up into two pieces. This handles immediates with up to 16
302 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
303 // get the first/second pieces.
304 def so_imm2part : Operand<i32>,
306 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
308 let PrintMethod = "printSOImm2PartOperand";
311 def so_imm2part_1 : SDNodeXForm<imm, [{
312 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
313 return CurDAG->getTargetConstant(V, MVT::i32);
316 def so_imm2part_2 : SDNodeXForm<imm, [{
317 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
318 return CurDAG->getTargetConstant(V, MVT::i32);
321 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
322 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
324 let PrintMethod = "printSOImm2PartOperand";
327 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
328 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
329 return CurDAG->getTargetConstant(V, MVT::i32);
332 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
333 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
334 return CurDAG->getTargetConstant(V, MVT::i32);
337 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
338 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
339 return (int32_t)N->getZExtValue() < 32;
342 // Define ARM specific addressing modes.
344 // addrmode2 := reg +/- reg shop imm
345 // addrmode2 := reg +/- imm12
347 def addrmode2 : Operand<i32>,
348 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
349 let PrintMethod = "printAddrMode2Operand";
350 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
353 def am2offset : Operand<i32>,
354 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
355 let PrintMethod = "printAddrMode2OffsetOperand";
356 let MIOperandInfo = (ops GPR, i32imm);
359 // addrmode3 := reg +/- reg
360 // addrmode3 := reg +/- imm8
362 def addrmode3 : Operand<i32>,
363 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
364 let PrintMethod = "printAddrMode3Operand";
365 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
368 def am3offset : Operand<i32>,
369 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
370 let PrintMethod = "printAddrMode3OffsetOperand";
371 let MIOperandInfo = (ops GPR, i32imm);
374 // addrmode4 := reg, <mode|W>
376 def addrmode4 : Operand<i32>,
377 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
378 let PrintMethod = "printAddrMode4Operand";
379 let MIOperandInfo = (ops GPR, i32imm);
382 // addrmode5 := reg +/- imm8*4
384 def addrmode5 : Operand<i32>,
385 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
386 let PrintMethod = "printAddrMode5Operand";
387 let MIOperandInfo = (ops GPR, i32imm);
390 // addrmode6 := reg with optional writeback
392 def addrmode6 : Operand<i32>,
393 ComplexPattern<i32, 4, "SelectAddrMode6", []> {
394 let PrintMethod = "printAddrMode6Operand";
395 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm, i32imm);
398 // addrmodepc := pc + reg
400 def addrmodepc : Operand<i32>,
401 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
402 let PrintMethod = "printAddrModePCOperand";
403 let MIOperandInfo = (ops GPR, i32imm);
406 def nohash_imm : Operand<i32> {
407 let PrintMethod = "printNoHashImmediate";
410 //===----------------------------------------------------------------------===//
412 include "ARMInstrFormats.td"
414 //===----------------------------------------------------------------------===//
415 // Multiclass helpers...
418 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
419 /// binop that produces a value.
420 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
421 bit Commutable = 0> {
422 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
423 IIC_iALUi, opc, "\t$dst, $a, $b",
424 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
427 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
428 IIC_iALUr, opc, "\t$dst, $a, $b",
429 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
430 let Inst{11-4} = 0b00000000;
432 let isCommutable = Commutable;
434 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
435 IIC_iALUsr, opc, "\t$dst, $a, $b",
436 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
441 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
442 /// instruction modifies the CPSR register.
443 let Defs = [CPSR] in {
444 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
445 bit Commutable = 0> {
446 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
447 IIC_iALUi, opc, "\t$dst, $a, $b",
448 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
452 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
453 IIC_iALUr, opc, "\t$dst, $a, $b",
454 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
455 let isCommutable = Commutable;
456 let Inst{11-4} = 0b00000000;
460 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
461 IIC_iALUsr, opc, "\t$dst, $a, $b",
462 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
469 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
470 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
471 /// a explicit result, only implicitly set CPSR.
472 let Defs = [CPSR] in {
473 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
474 bit Commutable = 0> {
475 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
477 [(opnode GPR:$a, so_imm:$b)]> {
481 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
483 [(opnode GPR:$a, GPR:$b)]> {
484 let Inst{11-4} = 0b00000000;
487 let isCommutable = Commutable;
489 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
491 [(opnode GPR:$a, so_reg:$b)]> {
498 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
499 /// register and one whose operand is a register rotated by 8/16/24.
500 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
501 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
502 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
503 IIC_iUNAr, opc, "\t$dst, $src",
504 [(set GPR:$dst, (opnode GPR:$src))]>,
505 Requires<[IsARM, HasV6]> {
506 let Inst{11-10} = 0b00;
507 let Inst{19-16} = 0b1111;
509 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
510 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
511 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
512 Requires<[IsARM, HasV6]> {
513 let Inst{19-16} = 0b1111;
517 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
518 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
519 IIC_iUNAr, opc, "\t$dst, $src",
520 [/* For disassembly only; pattern left blank */]>,
521 Requires<[IsARM, HasV6]> {
522 let Inst{11-10} = 0b00;
523 let Inst{19-16} = 0b1111;
525 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
526 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
527 [/* For disassembly only; pattern left blank */]>,
528 Requires<[IsARM, HasV6]> {
529 let Inst{19-16} = 0b1111;
533 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
534 /// register and one whose operand is a register rotated by 8/16/24.
535 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
536 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
537 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
538 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
539 Requires<[IsARM, HasV6]> {
540 let Inst{11-10} = 0b00;
542 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
544 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
545 [(set GPR:$dst, (opnode GPR:$LHS,
546 (rotr GPR:$RHS, rot_imm:$rot)))]>,
547 Requires<[IsARM, HasV6]>;
550 // For disassembly only.
551 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
552 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
553 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
554 [/* For disassembly only; pattern left blank */]>,
555 Requires<[IsARM, HasV6]> {
556 let Inst{11-10} = 0b00;
558 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
560 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
561 [/* For disassembly only; pattern left blank */]>,
562 Requires<[IsARM, HasV6]>;
565 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
566 let Uses = [CPSR] in {
567 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
568 bit Commutable = 0> {
569 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
570 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
571 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
575 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
576 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
577 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
579 let isCommutable = Commutable;
580 let Inst{11-4} = 0b00000000;
583 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
584 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
585 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
590 // Carry setting variants
591 let Defs = [CPSR] in {
592 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
593 bit Commutable = 0> {
594 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
595 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
596 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
601 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
602 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
603 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
605 let Inst{11-4} = 0b00000000;
609 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
610 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
611 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
620 //===----------------------------------------------------------------------===//
622 //===----------------------------------------------------------------------===//
624 //===----------------------------------------------------------------------===//
625 // Miscellaneous Instructions.
628 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
629 /// the function. The first operand is the ID# for this instruction, the second
630 /// is the index into the MachineConstantPool that this is, the third is the
631 /// size in bytes of this constant pool entry.
632 let neverHasSideEffects = 1, isNotDuplicable = 1 in
633 def CONSTPOOL_ENTRY :
634 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
635 i32imm:$size), NoItinerary,
636 "${instid:label} ${cpidx:cpentry}", []>;
638 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
639 // from removing one half of the matched pairs. That breaks PEI, which assumes
640 // these will always be in pairs, and asserts if it finds otherwise. Better way?
641 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
643 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
644 "@ ADJCALLSTACKUP $amt1",
645 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
647 def ADJCALLSTACKDOWN :
648 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
649 "@ ADJCALLSTACKDOWN $amt",
650 [(ARMcallseq_start timm:$amt)]>;
653 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
654 [/* For disassembly only; pattern left blank */]>,
655 Requires<[IsARM, HasV6T2]> {
656 let Inst{27-16} = 0b001100100000;
657 let Inst{7-0} = 0b00000000;
660 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
661 [/* For disassembly only; pattern left blank */]>,
662 Requires<[IsARM, HasV6T2]> {
663 let Inst{27-16} = 0b001100100000;
664 let Inst{7-0} = 0b00000001;
667 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
668 [/* For disassembly only; pattern left blank */]>,
669 Requires<[IsARM, HasV6T2]> {
670 let Inst{27-16} = 0b001100100000;
671 let Inst{7-0} = 0b00000010;
674 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
675 [/* For disassembly only; pattern left blank */]>,
676 Requires<[IsARM, HasV6T2]> {
677 let Inst{27-16} = 0b001100100000;
678 let Inst{7-0} = 0b00000011;
681 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
683 [/* For disassembly only; pattern left blank */]>,
684 Requires<[IsARM, HasV6]> {
685 let Inst{27-20} = 0b01101000;
686 let Inst{7-4} = 0b1011;
689 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
690 [/* For disassembly only; pattern left blank */]>,
691 Requires<[IsARM, HasV6T2]> {
692 let Inst{27-16} = 0b001100100000;
693 let Inst{7-0} = 0b00000100;
696 // The i32imm operand $val can be used by a debugger to store more information
697 // about the breakpoint.
698 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
699 [/* For disassembly only; pattern left blank */]>,
701 let Inst{27-20} = 0b00010010;
702 let Inst{7-4} = 0b0111;
705 // Change Processor State is a system instruction -- for disassembly only.
706 // The singleton $opt operand contains the following information:
707 // opt{4-0} = mode from Inst{4-0}
708 // opt{5} = changemode from Inst{17}
709 // opt{8-6} = AIF from Inst{8-6}
710 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
711 def CPS : AXI<(outs),(ins i32imm:$opt), MiscFrm, NoItinerary, "cps${opt:cps}",
712 [/* For disassembly only; pattern left blank */]>,
714 let Inst{31-28} = 0b1111;
715 let Inst{27-20} = 0b00010000;
720 // Preload signals the memory system of possible future data/instruction access.
721 // These are for disassembly only.
722 multiclass APreLoad<bit data, bit read, string opc> {
724 def i : AXI<(outs), (ins GPR:$base, i32imm:$imm), MiscFrm, NoItinerary,
725 !strconcat(opc, "\t[$base, $imm]"), []> {
726 let Inst{31-26} = 0b111101;
727 let Inst{25} = 0; // 0 for immediate form
730 let Inst{21-20} = 0b01;
733 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
734 !strconcat(opc, "\t$addr"), []> {
735 let Inst{31-26} = 0b111101;
736 let Inst{25} = 1; // 1 for register form
739 let Inst{21-20} = 0b01;
744 defm PLD : APreLoad<1, 1, "pld">;
745 defm PLDW : APreLoad<1, 0, "pldw">;
746 defm PLI : APreLoad<0, 1, "pli">;
748 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
749 [/* For disassembly only; pattern left blank */]>,
751 let Inst{31-28} = 0b1111;
752 let Inst{27-20} = 0b00010000;
755 let Inst{7-4} = 0b0000;
758 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
759 [/* For disassembly only; pattern left blank */]>,
761 let Inst{31-28} = 0b1111;
762 let Inst{27-20} = 0b00010000;
765 let Inst{7-4} = 0b0000;
768 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
769 [/* For disassembly only; pattern left blank */]>,
770 Requires<[IsARM, HasV7]> {
771 let Inst{27-16} = 0b001100100000;
772 let Inst{7-4} = 0b1111;
775 // A5.4 Permanently UNDEFINED instructions.
776 def TRAP : AI<(outs), (ins), MiscFrm, NoItinerary, "trap", "",
777 [/* For disassembly only; pattern left blank */]>,
779 let Inst{27-25} = 0b011;
780 let Inst{24-20} = 0b11111;
781 let Inst{7-5} = 0b111;
785 // Address computation and loads and stores in PIC mode.
786 let isNotDuplicable = 1 in {
787 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
788 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
789 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
791 let AddedComplexity = 10 in {
792 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
793 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
794 [(set GPR:$dst, (load addrmodepc:$addr))]>;
796 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
797 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
798 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
800 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
801 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
802 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
804 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
805 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
806 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
808 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
809 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
810 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
812 let AddedComplexity = 10 in {
813 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
814 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
815 [(store GPR:$src, addrmodepc:$addr)]>;
817 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
818 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
819 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
821 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
822 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
823 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
825 } // isNotDuplicable = 1
828 // LEApcrel - Load a pc-relative address into a register without offending the
830 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
832 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
833 "${:private}PCRELL${:uid}+8))\n"),
834 !strconcat("${:private}PCRELL${:uid}:\n\t",
835 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
838 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
839 (ins i32imm:$label, nohash_imm:$id, pred:$p),
841 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
843 "${:private}PCRELL${:uid}+8))\n"),
844 !strconcat("${:private}PCRELL${:uid}:\n\t",
845 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
850 //===----------------------------------------------------------------------===//
851 // Control Flow Instructions.
854 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
855 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
856 "bx", "\tlr", [(ARMretflag)]> {
857 let Inst{3-0} = 0b1110;
858 let Inst{7-4} = 0b0001;
859 let Inst{19-8} = 0b111111111111;
860 let Inst{27-20} = 0b00010010;
864 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
865 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
866 [(brind GPR:$dst)]> {
867 let Inst{7-4} = 0b0001;
868 let Inst{19-8} = 0b111111111111;
869 let Inst{27-20} = 0b00010010;
870 let Inst{31-28} = 0b1110;
874 // FIXME: remove when we have a way to marking a MI with these properties.
875 // FIXME: Should pc be an implicit operand like PICADD, etc?
876 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
877 hasExtraDefRegAllocReq = 1 in
878 def LDM_RET : AXI4ld<(outs),
879 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
880 LdStMulFrm, IIC_Br, "ldm${addr:submode}${p}\t$addr, $wb",
883 // On non-Darwin platforms R9 is callee-saved.
885 Defs = [R0, R1, R2, R3, R12, LR,
886 D0, D1, D2, D3, D4, D5, D6, D7,
887 D16, D17, D18, D19, D20, D21, D22, D23,
888 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
889 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
890 IIC_Br, "bl\t${func:call}",
891 [(ARMcall tglobaladdr:$func)]>,
892 Requires<[IsARM, IsNotDarwin]> {
893 let Inst{31-28} = 0b1110;
896 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
897 IIC_Br, "bl", "\t${func:call}",
898 [(ARMcall_pred tglobaladdr:$func)]>,
899 Requires<[IsARM, IsNotDarwin]>;
902 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
903 IIC_Br, "blx\t$func",
904 [(ARMcall GPR:$func)]>,
905 Requires<[IsARM, HasV5T, IsNotDarwin]> {
906 let Inst{7-4} = 0b0011;
907 let Inst{19-8} = 0b111111111111;
908 let Inst{27-20} = 0b00010010;
912 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
913 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
914 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
915 [(ARMcall_nolink tGPR:$func)]>,
916 Requires<[IsARM, IsNotDarwin]> {
917 let Inst{7-4} = 0b0001;
918 let Inst{19-8} = 0b111111111111;
919 let Inst{27-20} = 0b00010010;
923 // On Darwin R9 is call-clobbered.
925 Defs = [R0, R1, R2, R3, R9, R12, LR,
926 D0, D1, D2, D3, D4, D5, D6, D7,
927 D16, D17, D18, D19, D20, D21, D22, D23,
928 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
929 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
930 IIC_Br, "bl\t${func:call}",
931 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
932 let Inst{31-28} = 0b1110;
935 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
936 IIC_Br, "bl", "\t${func:call}",
937 [(ARMcall_pred tglobaladdr:$func)]>,
938 Requires<[IsARM, IsDarwin]>;
941 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
942 IIC_Br, "blx\t$func",
943 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
944 let Inst{7-4} = 0b0011;
945 let Inst{19-8} = 0b111111111111;
946 let Inst{27-20} = 0b00010010;
950 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
951 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
952 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
953 [(ARMcall_nolink tGPR:$func)]>, Requires<[IsARM, IsDarwin]> {
954 let Inst{7-4} = 0b0001;
955 let Inst{19-8} = 0b111111111111;
956 let Inst{27-20} = 0b00010010;
960 let isBranch = 1, isTerminator = 1 in {
961 // B is "predicable" since it can be xformed into a Bcc.
962 let isBarrier = 1 in {
963 let isPredicable = 1 in
964 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
965 "b\t$target", [(br bb:$target)]>;
967 let isNotDuplicable = 1, isIndirectBranch = 1 in {
968 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
969 IIC_Br, "mov\tpc, $target \n$jt",
970 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
971 let Inst{11-4} = 0b00000000;
972 let Inst{15-12} = 0b1111;
973 let Inst{20} = 0; // S Bit
974 let Inst{24-21} = 0b1101;
975 let Inst{27-25} = 0b000;
977 def BR_JTm : JTI<(outs),
978 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
979 IIC_Br, "ldr\tpc, $target \n$jt",
980 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
982 let Inst{15-12} = 0b1111;
983 let Inst{20} = 1; // L bit
984 let Inst{21} = 0; // W bit
985 let Inst{22} = 0; // B bit
986 let Inst{24} = 1; // P bit
987 let Inst{27-25} = 0b011;
989 def BR_JTadd : JTI<(outs),
990 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
991 IIC_Br, "add\tpc, $target, $idx \n$jt",
992 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
994 let Inst{15-12} = 0b1111;
995 let Inst{20} = 0; // S bit
996 let Inst{24-21} = 0b0100;
997 let Inst{27-25} = 0b000;
999 } // isNotDuplicable = 1, isIndirectBranch = 1
1002 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1003 // a two-value operand where a dag node expects two operands. :(
1004 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1005 IIC_Br, "b", "\t$target",
1006 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1009 // Branch and Exchange Jazelle -- for disassembly only
1010 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1011 [/* For disassembly only; pattern left blank */]> {
1012 let Inst{23-20} = 0b0010;
1013 //let Inst{19-8} = 0xfff;
1014 let Inst{7-4} = 0b0010;
1017 // Secure Monitor Call is a system instruction -- for disassembly only
1018 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1019 [/* For disassembly only; pattern left blank */]> {
1020 let Inst{23-20} = 0b0110;
1021 let Inst{7-4} = 0b0111;
1024 // Supervisor Call (Software Interrupt) -- for disassembly only
1026 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1027 [/* For disassembly only; pattern left blank */]>;
1030 // Store Return State is a system instruction -- for disassembly only
1031 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1032 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1033 [/* For disassembly only; pattern left blank */]> {
1034 let Inst{31-28} = 0b1111;
1035 let Inst{22-20} = 0b110; // W = 1
1038 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1039 NoItinerary, "srs${addr:submode}\tsp, $mode",
1040 [/* For disassembly only; pattern left blank */]> {
1041 let Inst{31-28} = 0b1111;
1042 let Inst{22-20} = 0b100; // W = 0
1045 // Return From Exception is a system instruction -- for disassembly only
1046 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1047 NoItinerary, "rfe${addr:submode}\t$base!",
1048 [/* For disassembly only; pattern left blank */]> {
1049 let Inst{31-28} = 0b1111;
1050 let Inst{22-20} = 0b011; // W = 1
1053 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1054 NoItinerary, "rfe${addr:submode}\t$base",
1055 [/* For disassembly only; pattern left blank */]> {
1056 let Inst{31-28} = 0b1111;
1057 let Inst{22-20} = 0b001; // W = 0
1060 //===----------------------------------------------------------------------===//
1061 // Load / store Instructions.
1065 let canFoldAsLoad = 1, isReMaterializable = 1 in
1066 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1067 "ldr", "\t$dst, $addr",
1068 [(set GPR:$dst, (load addrmode2:$addr))]>;
1070 // Special LDR for loads from non-pc-relative constpools.
1071 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
1072 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1073 "ldr", "\t$dst, $addr", []>;
1075 // Loads with zero extension
1076 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1077 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1078 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1080 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1081 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1082 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1084 // Loads with sign extension
1085 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1086 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1087 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1089 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1090 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1091 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1093 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
1095 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1096 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1097 []>, Requires<[IsARM, HasV5TE]>;
1100 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1101 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1102 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1104 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1105 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1106 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1108 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1109 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1110 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1112 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1113 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1114 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1116 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1117 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1118 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1120 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1121 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1122 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1124 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1125 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1126 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1128 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1129 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1130 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1132 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1133 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1134 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1136 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1137 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1138 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1140 // For disassembly only
1141 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1142 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1143 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1144 Requires<[IsARM, HasV5TE]>;
1146 // For disassembly only
1147 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1148 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1149 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1150 Requires<[IsARM, HasV5TE]>;
1154 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1156 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1157 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1158 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1159 let Inst{21} = 1; // overwrite
1162 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1163 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1164 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1165 let Inst{21} = 1; // overwrite
1168 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1169 (ins GPR:$base,am2offset:$offset), LdMiscFrm, IIC_iLoadru,
1170 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1171 let Inst{21} = 1; // overwrite
1174 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1175 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1176 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1177 let Inst{21} = 1; // overwrite
1180 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1181 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1182 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1183 let Inst{21} = 1; // overwrite
1187 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1188 "str", "\t$src, $addr",
1189 [(store GPR:$src, addrmode2:$addr)]>;
1191 // Stores with truncate
1192 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1193 IIC_iStorer, "strh", "\t$src, $addr",
1194 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1196 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1197 "strb", "\t$src, $addr",
1198 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1201 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1202 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1203 StMiscFrm, IIC_iStorer,
1204 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1207 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1208 (ins GPR:$src, GPR:$base, am2offset:$offset),
1209 StFrm, IIC_iStoreru,
1210 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1212 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1214 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1215 (ins GPR:$src, GPR:$base,am2offset:$offset),
1216 StFrm, IIC_iStoreru,
1217 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1219 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1221 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1222 (ins GPR:$src, GPR:$base,am3offset:$offset),
1223 StMiscFrm, IIC_iStoreru,
1224 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1226 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1228 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1229 (ins GPR:$src, GPR:$base,am3offset:$offset),
1230 StMiscFrm, IIC_iStoreru,
1231 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1232 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1233 GPR:$base, am3offset:$offset))]>;
1235 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1236 (ins GPR:$src, GPR:$base,am2offset:$offset),
1237 StFrm, IIC_iStoreru,
1238 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1239 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1240 GPR:$base, am2offset:$offset))]>;
1242 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1243 (ins GPR:$src, GPR:$base,am2offset:$offset),
1244 StFrm, IIC_iStoreru,
1245 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1246 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1247 GPR:$base, am2offset:$offset))]>;
1249 // For disassembly only
1250 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1251 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1252 StMiscFrm, IIC_iStoreru,
1253 "strd", "\t$src1, $src2, [$base, $offset]!",
1254 "$base = $base_wb", []>;
1256 // For disassembly only
1257 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1258 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1259 StMiscFrm, IIC_iStoreru,
1260 "strd", "\t$src1, $src2, [$base], $offset",
1261 "$base = $base_wb", []>;
1263 // STRT and STRBT are for disassembly only.
1265 def STRT : AI2stwpo<(outs GPR:$base_wb),
1266 (ins GPR:$src, GPR:$base,am2offset:$offset),
1267 StFrm, IIC_iStoreru,
1268 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1269 [/* For disassembly only; pattern left blank */]> {
1270 let Inst{21} = 1; // overwrite
1273 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1274 (ins GPR:$src, GPR:$base,am2offset:$offset),
1275 StFrm, IIC_iStoreru,
1276 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1277 [/* For disassembly only; pattern left blank */]> {
1278 let Inst{21} = 1; // overwrite
1281 //===----------------------------------------------------------------------===//
1282 // Load / store multiple Instructions.
1285 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1286 def LDM : AXI4ld<(outs),
1287 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1288 LdStMulFrm, IIC_iLoadm, "ldm${addr:submode}${p}\t$addr, $wb",
1291 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1292 def STM : AXI4st<(outs),
1293 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1294 LdStMulFrm, IIC_iStorem, "stm${addr:submode}${p}\t$addr, $wb",
1297 //===----------------------------------------------------------------------===//
1298 // Move Instructions.
1301 let neverHasSideEffects = 1 in
1302 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1303 "mov", "\t$dst, $src", []>, UnaryDP {
1304 let Inst{11-4} = 0b00000000;
1308 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1309 DPSoRegFrm, IIC_iMOVsr,
1310 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1314 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1315 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1316 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1320 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1321 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1323 "movw", "\t$dst, $src",
1324 [(set GPR:$dst, imm0_65535:$src)]>,
1325 Requires<[IsARM, HasV6T2]>, UnaryDP {
1330 let Constraints = "$src = $dst" in
1331 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1333 "movt", "\t$dst, $imm",
1335 (or (and GPR:$src, 0xffff),
1336 lo16AllZero:$imm))]>, UnaryDP,
1337 Requires<[IsARM, HasV6T2]> {
1342 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1343 Requires<[IsARM, HasV6T2]>;
1345 let Uses = [CPSR] in
1346 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1347 "mov", "\t$dst, $src, rrx",
1348 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1350 // These aren't really mov instructions, but we have to define them this way
1351 // due to flag operands.
1353 let Defs = [CPSR] in {
1354 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1355 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1356 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1357 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1358 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1359 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1362 //===----------------------------------------------------------------------===//
1363 // Extend Instructions.
1368 defm SXTB : AI_unary_rrot<0b01101010,
1369 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1370 defm SXTH : AI_unary_rrot<0b01101011,
1371 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1373 defm SXTAB : AI_bin_rrot<0b01101010,
1374 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1375 defm SXTAH : AI_bin_rrot<0b01101011,
1376 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1378 // For disassembly only
1379 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1381 // For disassembly only
1382 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1386 let AddedComplexity = 16 in {
1387 defm UXTB : AI_unary_rrot<0b01101110,
1388 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1389 defm UXTH : AI_unary_rrot<0b01101111,
1390 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1391 defm UXTB16 : AI_unary_rrot<0b01101100,
1392 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1394 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1395 (UXTB16r_rot GPR:$Src, 24)>;
1396 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1397 (UXTB16r_rot GPR:$Src, 8)>;
1399 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1400 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1401 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1402 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1405 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1406 // For disassembly only
1407 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1410 def SBFX : I<(outs GPR:$dst),
1411 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1412 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1413 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1414 Requires<[IsARM, HasV6T2]> {
1415 let Inst{27-21} = 0b0111101;
1416 let Inst{6-4} = 0b101;
1419 def UBFX : I<(outs GPR:$dst),
1420 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1421 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1422 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1423 Requires<[IsARM, HasV6T2]> {
1424 let Inst{27-21} = 0b0111111;
1425 let Inst{6-4} = 0b101;
1428 //===----------------------------------------------------------------------===//
1429 // Arithmetic Instructions.
1432 defm ADD : AsI1_bin_irs<0b0100, "add",
1433 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1434 defm SUB : AsI1_bin_irs<0b0010, "sub",
1435 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1437 // ADD and SUB with 's' bit set.
1438 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1439 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1440 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1441 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1443 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1444 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1445 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1446 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1447 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1448 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1449 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1450 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1452 // These don't define reg/reg forms, because they are handled above.
1453 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1454 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1455 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1459 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1460 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1461 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1465 // RSB with 's' bit set.
1466 let Defs = [CPSR] in {
1467 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1468 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1469 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1473 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1474 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1475 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1481 let Uses = [CPSR] in {
1482 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1483 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1484 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1488 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1489 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1490 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1496 // FIXME: Allow these to be predicated.
1497 let Defs = [CPSR], Uses = [CPSR] in {
1498 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1499 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1500 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1505 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1506 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1507 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1514 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1515 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1516 (SUBri GPR:$src, so_imm_neg:$imm)>;
1518 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1519 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1520 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1521 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1523 // Note: These are implemented in C++ code, because they have to generate
1524 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1526 // (mul X, 2^n+1) -> (add (X << n), X)
1527 // (mul X, 2^n-1) -> (rsb X, (X << n))
1529 // ARM Arithmetic Instruction -- for disassembly only
1530 // GPR:$dst = GPR:$a op GPR:$b
1531 class AAI<bits<8> op27_20, bits<4> op7_4, string opc>
1532 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1533 opc, "\t$dst, $a, $b",
1534 [/* For disassembly only; pattern left blank */]> {
1535 let Inst{27-20} = op27_20;
1536 let Inst{7-4} = op7_4;
1539 // Saturating add/subtract -- for disassembly only
1541 def QADD : AAI<0b00010000, 0b0101, "qadd">;
1542 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1543 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1544 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1545 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1546 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1547 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1548 def QSUB : AAI<0b00010010, 0b0101, "qsub">;
1549 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1550 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1551 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1552 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1553 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1554 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1555 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1556 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1558 // Signed/Unsigned add/subtract -- for disassembly only
1560 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1561 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1562 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1563 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1564 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1565 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1566 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1567 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1568 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1569 def USAX : AAI<0b01100101, 0b0101, "usax">;
1570 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1571 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1573 // Signed/Unsigned halving add/subtract -- for disassembly only
1575 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1576 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1577 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1578 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1579 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1580 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1581 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1582 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1583 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1584 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1585 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1586 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1588 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1590 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1591 MulFrm /* for convenience */, NoItinerary, "usad8",
1592 "\t$dst, $a, $b", []>,
1593 Requires<[IsARM, HasV6]> {
1594 let Inst{27-20} = 0b01111000;
1595 let Inst{15-12} = 0b1111;
1596 let Inst{7-4} = 0b0001;
1598 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1599 MulFrm /* for convenience */, NoItinerary, "usada8",
1600 "\t$dst, $a, $b, $acc", []>,
1601 Requires<[IsARM, HasV6]> {
1602 let Inst{27-20} = 0b01111000;
1603 let Inst{7-4} = 0b0001;
1606 // Signed/Unsigned saturate -- for disassembly only
1608 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1609 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, LSL $shamt",
1610 [/* For disassembly only; pattern left blank */]> {
1611 let Inst{27-21} = 0b0110101;
1612 let Inst{6-4} = 0b001;
1615 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1616 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, ASR $shamt",
1617 [/* For disassembly only; pattern left blank */]> {
1618 let Inst{27-21} = 0b0110101;
1619 let Inst{6-4} = 0b101;
1622 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1623 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1624 [/* For disassembly only; pattern left blank */]> {
1625 let Inst{27-20} = 0b01101010;
1626 let Inst{7-4} = 0b0011;
1629 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1630 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, LSL $shamt",
1631 [/* For disassembly only; pattern left blank */]> {
1632 let Inst{27-21} = 0b0110111;
1633 let Inst{6-4} = 0b001;
1636 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1637 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, ASR $shamt",
1638 [/* For disassembly only; pattern left blank */]> {
1639 let Inst{27-21} = 0b0110111;
1640 let Inst{6-4} = 0b101;
1643 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1644 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1645 [/* For disassembly only; pattern left blank */]> {
1646 let Inst{27-20} = 0b01101110;
1647 let Inst{7-4} = 0b0011;
1650 //===----------------------------------------------------------------------===//
1651 // Bitwise Instructions.
1654 defm AND : AsI1_bin_irs<0b0000, "and",
1655 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1656 defm ORR : AsI1_bin_irs<0b1100, "orr",
1657 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1658 defm EOR : AsI1_bin_irs<0b0001, "eor",
1659 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1660 defm BIC : AsI1_bin_irs<0b1110, "bic",
1661 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1663 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1664 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1665 "bfc", "\t$dst, $imm", "$src = $dst",
1666 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1667 Requires<[IsARM, HasV6T2]> {
1668 let Inst{27-21} = 0b0111110;
1669 let Inst{6-0} = 0b0011111;
1672 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1673 // Added for disassembler with the pattern field purposely left blank.
1674 def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1675 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1676 "bfi", "\t$dst, $src, $imm", "",
1677 [/* For disassembly only; pattern left blank */]>,
1678 Requires<[IsARM, HasV6T2]> {
1679 let Inst{27-21} = 0b0111110;
1680 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1683 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1684 "mvn", "\t$dst, $src",
1685 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1687 let Inst{11-4} = 0b00000000;
1689 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1690 IIC_iMOVsr, "mvn", "\t$dst, $src",
1691 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1694 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1695 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1696 IIC_iMOVi, "mvn", "\t$dst, $imm",
1697 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1701 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1702 (BICri GPR:$src, so_imm_not:$imm)>;
1704 //===----------------------------------------------------------------------===//
1705 // Multiply Instructions.
1708 let isCommutable = 1 in
1709 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1710 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1711 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1713 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1714 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1715 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1717 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1718 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1719 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1720 Requires<[IsARM, HasV6T2]>;
1722 // Extra precision multiplies with low / high results
1723 let neverHasSideEffects = 1 in {
1724 let isCommutable = 1 in {
1725 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1726 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1727 "smull", "\t$ldst, $hdst, $a, $b", []>;
1729 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1730 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1731 "umull", "\t$ldst, $hdst, $a, $b", []>;
1734 // Multiply + accumulate
1735 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1736 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1737 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1739 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1740 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1741 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1743 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1744 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1745 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1746 Requires<[IsARM, HasV6]>;
1747 } // neverHasSideEffects
1749 // Most significant word multiply
1750 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1751 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1752 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1753 Requires<[IsARM, HasV6]> {
1754 let Inst{7-4} = 0b0001;
1755 let Inst{15-12} = 0b1111;
1758 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1759 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1760 [/* For disassembly only; pattern left blank */]>,
1761 Requires<[IsARM, HasV6]> {
1762 let Inst{7-4} = 0b0011; // R = 1
1763 let Inst{15-12} = 0b1111;
1766 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1767 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1768 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1769 Requires<[IsARM, HasV6]> {
1770 let Inst{7-4} = 0b0001;
1773 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1774 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1775 [/* For disassembly only; pattern left blank */]>,
1776 Requires<[IsARM, HasV6]> {
1777 let Inst{7-4} = 0b0011; // R = 1
1780 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1781 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1782 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1783 Requires<[IsARM, HasV6]> {
1784 let Inst{7-4} = 0b1101;
1787 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1788 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1789 [/* For disassembly only; pattern left blank */]>,
1790 Requires<[IsARM, HasV6]> {
1791 let Inst{7-4} = 0b1111; // R = 1
1794 multiclass AI_smul<string opc, PatFrag opnode> {
1795 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1796 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1797 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1798 (sext_inreg GPR:$b, i16)))]>,
1799 Requires<[IsARM, HasV5TE]> {
1804 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1805 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1806 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1807 (sra GPR:$b, (i32 16))))]>,
1808 Requires<[IsARM, HasV5TE]> {
1813 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1814 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1815 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1816 (sext_inreg GPR:$b, i16)))]>,
1817 Requires<[IsARM, HasV5TE]> {
1822 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1823 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1824 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1825 (sra GPR:$b, (i32 16))))]>,
1826 Requires<[IsARM, HasV5TE]> {
1831 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1832 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1833 [(set GPR:$dst, (sra (opnode GPR:$a,
1834 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1835 Requires<[IsARM, HasV5TE]> {
1840 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1841 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1842 [(set GPR:$dst, (sra (opnode GPR:$a,
1843 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1844 Requires<[IsARM, HasV5TE]> {
1851 multiclass AI_smla<string opc, PatFrag opnode> {
1852 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1853 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1854 [(set GPR:$dst, (add GPR:$acc,
1855 (opnode (sext_inreg GPR:$a, i16),
1856 (sext_inreg GPR:$b, i16))))]>,
1857 Requires<[IsARM, HasV5TE]> {
1862 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1863 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1864 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1865 (sra GPR:$b, (i32 16)))))]>,
1866 Requires<[IsARM, HasV5TE]> {
1871 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1872 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1873 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1874 (sext_inreg GPR:$b, i16))))]>,
1875 Requires<[IsARM, HasV5TE]> {
1880 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1881 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1882 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1883 (sra GPR:$b, (i32 16)))))]>,
1884 Requires<[IsARM, HasV5TE]> {
1889 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1890 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1891 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1892 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1893 Requires<[IsARM, HasV5TE]> {
1898 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1899 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1900 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1901 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1902 Requires<[IsARM, HasV5TE]> {
1908 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1909 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1911 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
1912 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1913 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
1914 [/* For disassembly only; pattern left blank */]>,
1915 Requires<[IsARM, HasV5TE]> {
1920 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1921 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
1922 [/* For disassembly only; pattern left blank */]>,
1923 Requires<[IsARM, HasV5TE]> {
1928 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1929 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
1930 [/* For disassembly only; pattern left blank */]>,
1931 Requires<[IsARM, HasV5TE]> {
1936 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1937 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
1938 [/* For disassembly only; pattern left blank */]>,
1939 Requires<[IsARM, HasV5TE]> {
1944 // Helper class for AI_smld -- for disassembly only
1945 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
1946 InstrItinClass itin, string opc, string asm>
1947 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
1952 let Inst{21-20} = 0b00;
1953 let Inst{22} = long;
1954 let Inst{27-23} = 0b01110;
1957 multiclass AI_smld<bit sub, string opc> {
1959 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1960 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
1962 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1963 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
1965 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
1966 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
1968 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1969 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
1973 defm SMLA : AI_smld<0, "smla">;
1974 defm SMLS : AI_smld<1, "smls">;
1976 multiclass AI_sdml<bit sub, string opc> {
1978 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1979 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
1980 let Inst{15-12} = 0b1111;
1983 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1984 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
1985 let Inst{15-12} = 0b1111;
1990 defm SMUA : AI_sdml<0, "smua">;
1991 defm SMUS : AI_sdml<1, "smus">;
1993 //===----------------------------------------------------------------------===//
1994 // Misc. Arithmetic Instructions.
1997 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1998 "clz", "\t$dst, $src",
1999 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2000 let Inst{7-4} = 0b0001;
2001 let Inst{11-8} = 0b1111;
2002 let Inst{19-16} = 0b1111;
2005 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2006 "rbit", "\t$dst, $src",
2007 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2008 Requires<[IsARM, HasV6T2]> {
2009 let Inst{7-4} = 0b0011;
2010 let Inst{11-8} = 0b1111;
2011 let Inst{19-16} = 0b1111;
2014 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2015 "rev", "\t$dst, $src",
2016 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2017 let Inst{7-4} = 0b0011;
2018 let Inst{11-8} = 0b1111;
2019 let Inst{19-16} = 0b1111;
2022 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2023 "rev16", "\t$dst, $src",
2025 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2026 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2027 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2028 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2029 Requires<[IsARM, HasV6]> {
2030 let Inst{7-4} = 0b1011;
2031 let Inst{11-8} = 0b1111;
2032 let Inst{19-16} = 0b1111;
2035 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2036 "revsh", "\t$dst, $src",
2039 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2040 (shl GPR:$src, (i32 8))), i16))]>,
2041 Requires<[IsARM, HasV6]> {
2042 let Inst{7-4} = 0b1011;
2043 let Inst{11-8} = 0b1111;
2044 let Inst{19-16} = 0b1111;
2047 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2048 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2049 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt",
2050 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2051 (and (shl GPR:$src2, (i32 imm:$shamt)),
2053 Requires<[IsARM, HasV6]> {
2054 let Inst{6-4} = 0b001;
2057 // Alternate cases for PKHBT where identities eliminate some nodes.
2058 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2059 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2060 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2061 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2064 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2065 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2066 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt",
2067 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2068 (and (sra GPR:$src2, imm16_31:$shamt),
2069 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2070 let Inst{6-4} = 0b101;
2073 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2074 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2075 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2076 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2077 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2078 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2079 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2081 //===----------------------------------------------------------------------===//
2082 // Comparison Instructions...
2085 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2086 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2087 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2088 // Compare-to-zero still works out, just not the relationals
2089 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2090 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2092 // Note that TST/TEQ don't set all the same flags that CMP does!
2093 defm TST : AI1_cmp_irs<0b1000, "tst",
2094 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2095 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2096 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2098 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2099 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2100 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2101 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2103 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2104 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2106 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2107 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2110 // Conditional moves
2111 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2112 // a two-value operand where a dag node expects two operands. :(
2113 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2114 IIC_iCMOVr, "mov", "\t$dst, $true",
2115 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2116 RegConstraint<"$false = $dst">, UnaryDP {
2117 let Inst{11-4} = 0b00000000;
2121 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2122 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2123 "mov", "\t$dst, $true",
2124 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2125 RegConstraint<"$false = $dst">, UnaryDP {
2129 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2130 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2131 "mov", "\t$dst, $true",
2132 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2133 RegConstraint<"$false = $dst">, UnaryDP {
2137 //===----------------------------------------------------------------------===//
2138 // Atomic operations intrinsics
2141 // memory barriers protect the atomic sequences
2142 let hasSideEffects = 1 in {
2143 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2144 Pseudo, NoItinerary,
2146 [(ARMMemBarrierV7)]>,
2147 Requires<[IsARM, HasV7]> {
2148 let Inst{31-4} = 0xf57ff05;
2149 // FIXME: add support for options other than a full system DMB
2150 // See DMB disassembly-only variants below.
2151 let Inst{3-0} = 0b1111;
2154 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2155 Pseudo, NoItinerary,
2157 [(ARMSyncBarrierV7)]>,
2158 Requires<[IsARM, HasV7]> {
2159 let Inst{31-4} = 0xf57ff04;
2160 // FIXME: add support for options other than a full system DSB
2161 // See DSB disassembly-only variants below.
2162 let Inst{3-0} = 0b1111;
2165 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2166 Pseudo, NoItinerary,
2167 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2168 [(ARMMemBarrierV6 GPR:$zero)]>,
2169 Requires<[IsARM, HasV6]> {
2170 // FIXME: add support for options other than a full system DMB
2171 // FIXME: add encoding
2174 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2175 Pseudo, NoItinerary,
2176 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2177 [(ARMSyncBarrierV6 GPR:$zero)]>,
2178 Requires<[IsARM, HasV6]> {
2179 // FIXME: add support for options other than a full system DSB
2180 // FIXME: add encoding
2184 // Helper class for multiclass MemB -- for disassembly only
2185 class AMBI<string opc, string asm>
2186 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2187 [/* For disassembly only; pattern left blank */]>,
2188 Requires<[IsARM, HasV7]> {
2189 let Inst{31-20} = 0xf57;
2192 multiclass MemB<bits<4> op7_4, string opc> {
2194 def st : AMBI<opc, "\tst"> {
2195 let Inst{7-4} = op7_4;
2196 let Inst{3-0} = 0b1110;
2199 def ish : AMBI<opc, "\tish"> {
2200 let Inst{7-4} = op7_4;
2201 let Inst{3-0} = 0b1011;
2204 def ishst : AMBI<opc, "\tishst"> {
2205 let Inst{7-4} = op7_4;
2206 let Inst{3-0} = 0b1010;
2209 def nsh : AMBI<opc, "\tnsh"> {
2210 let Inst{7-4} = op7_4;
2211 let Inst{3-0} = 0b0111;
2214 def nshst : AMBI<opc, "\tnshst"> {
2215 let Inst{7-4} = op7_4;
2216 let Inst{3-0} = 0b0110;
2219 def osh : AMBI<opc, "\tosh"> {
2220 let Inst{7-4} = op7_4;
2221 let Inst{3-0} = 0b0011;
2224 def oshst : AMBI<opc, "\toshst"> {
2225 let Inst{7-4} = op7_4;
2226 let Inst{3-0} = 0b0010;
2230 // These DMB variants are for disassembly only.
2231 defm DMB : MemB<0b0101, "dmb">;
2233 // These DSB variants are for disassembly only.
2234 defm DSB : MemB<0b0100, "dsb">;
2236 // ISB has only full system option -- for disassembly only
2237 def ISBsy : AMBI<"isb", ""> {
2238 let Inst{7-4} = 0b0110;
2239 let Inst{3-0} = 0b1111;
2242 let usesCustomInserter = 1 in {
2243 let Uses = [CPSR] in {
2244 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2245 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2246 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2247 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2248 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2249 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2250 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2251 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2252 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2253 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2254 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2255 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2256 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2257 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2258 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2259 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2260 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2261 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2262 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2263 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2264 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2265 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2266 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2267 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2268 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2269 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2270 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2271 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2272 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2273 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2274 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2275 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2276 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2277 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2278 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2279 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2280 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2281 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2282 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2283 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2284 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2285 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2286 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2287 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2288 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2289 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2290 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2291 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2292 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2293 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2294 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2295 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2296 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2297 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2298 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2299 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2300 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2301 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2302 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2303 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2304 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2305 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2306 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2307 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2308 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2309 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2310 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2311 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2312 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2313 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2314 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2315 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2317 def ATOMIC_SWAP_I8 : PseudoInst<
2318 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2319 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2320 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2321 def ATOMIC_SWAP_I16 : PseudoInst<
2322 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2323 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2324 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2325 def ATOMIC_SWAP_I32 : PseudoInst<
2326 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2327 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2328 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2330 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2331 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2332 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2333 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2334 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2335 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2336 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2337 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2338 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2339 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2340 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2341 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2345 let mayLoad = 1 in {
2346 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2347 "ldrexb", "\t$dest, [$ptr]",
2349 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2350 "ldrexh", "\t$dest, [$ptr]",
2352 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2353 "ldrex", "\t$dest, [$ptr]",
2355 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2357 "ldrexd", "\t$dest, $dest2, [$ptr]",
2361 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2362 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2364 "strexb", "\t$success, $src, [$ptr]",
2366 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2368 "strexh", "\t$success, $src, [$ptr]",
2370 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2372 "strex", "\t$success, $src, [$ptr]",
2374 def STREXD : AIstrex<0b01, (outs GPR:$success),
2375 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2377 "strexd", "\t$success, $src, $src2, [$ptr]",
2381 // Clear-Exclusive is for disassembly only.
2382 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2383 [/* For disassembly only; pattern left blank */]>,
2384 Requires<[IsARM, HasV7]> {
2385 let Inst{31-20} = 0xf57;
2386 let Inst{7-4} = 0b0001;
2389 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2390 let mayLoad = 1 in {
2391 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2392 "swp", "\t$dst, $src, [$ptr]",
2393 [/* For disassembly only; pattern left blank */]> {
2394 let Inst{27-23} = 0b00010;
2395 let Inst{22} = 0; // B = 0
2396 let Inst{21-20} = 0b00;
2397 let Inst{7-4} = 0b1001;
2400 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2401 "swpb", "\t$dst, $src, [$ptr]",
2402 [/* For disassembly only; pattern left blank */]> {
2403 let Inst{27-23} = 0b00010;
2404 let Inst{22} = 1; // B = 1
2405 let Inst{21-20} = 0b00;
2406 let Inst{7-4} = 0b1001;
2410 //===----------------------------------------------------------------------===//
2414 // __aeabi_read_tp preserves the registers r1-r3.
2416 Defs = [R0, R12, LR, CPSR] in {
2417 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2418 "bl\t__aeabi_read_tp",
2419 [(set R0, ARMthread_pointer)]>;
2422 //===----------------------------------------------------------------------===//
2423 // SJLJ Exception handling intrinsics
2424 // eh_sjlj_setjmp() is an instruction sequence to store the return
2425 // address and save #0 in R0 for the non-longjmp case.
2426 // Since by its nature we may be coming from some other function to get
2427 // here, and we're using the stack frame for the containing function to
2428 // save/restore registers, we can't keep anything live in regs across
2429 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2430 // when we get here from a longjmp(). We force everthing out of registers
2431 // except for our own input by listing the relevant registers in Defs. By
2432 // doing so, we also cause the prologue/epilogue code to actively preserve
2433 // all of the callee-saved resgisters, which is exactly what we want.
2434 // A constant value is passed in $val, and we use the location as a scratch.
2436 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2437 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2438 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2440 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2441 AddrModeNone, SizeSpecial, IndexModeNone,
2442 Pseudo, NoItinerary,
2443 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
2444 "add\t$val, pc, #8\n\t"
2445 "str\t$val, [$src, #+4]\n\t"
2447 "add\tpc, pc, #0\n\t"
2448 "mov\tr0, #1 @ eh_setjmp end", "",
2449 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>;
2452 //===----------------------------------------------------------------------===//
2453 // Non-Instruction Patterns
2456 // Large immediate handling.
2458 // Two piece so_imms.
2459 let isReMaterializable = 1 in
2460 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2462 "mov", "\t$dst, $src",
2463 [(set GPR:$dst, so_imm2part:$src)]>,
2464 Requires<[IsARM, NoV6T2]>;
2466 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2467 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2468 (so_imm2part_2 imm:$RHS))>;
2469 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2470 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2471 (so_imm2part_2 imm:$RHS))>;
2472 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2473 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2474 (so_imm2part_2 imm:$RHS))>;
2475 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2476 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2477 (so_neg_imm2part_2 imm:$RHS))>;
2479 // 32-bit immediate using movw + movt.
2480 // This is a single pseudo instruction, the benefit is that it can be remat'd
2481 // as a single unit instead of having to handle reg inputs.
2482 // FIXME: Remove this when we can do generalized remat.
2483 let isReMaterializable = 1 in
2484 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2485 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2486 [(set GPR:$dst, (i32 imm:$src))]>,
2487 Requires<[IsARM, HasV6T2]>;
2489 // ConstantPool, GlobalAddress, and JumpTable
2490 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2491 Requires<[IsARM, DontUseMovt]>;
2492 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2493 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2494 Requires<[IsARM, UseMovt]>;
2495 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2496 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2498 // TODO: add,sub,and, 3-instr forms?
2502 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2503 Requires<[IsARM, IsNotDarwin]>;
2504 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2505 Requires<[IsARM, IsDarwin]>;
2507 // zextload i1 -> zextload i8
2508 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2510 // extload -> zextload
2511 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2512 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2513 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2515 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2516 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2519 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2520 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2521 (SMULBB GPR:$a, GPR:$b)>;
2522 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2523 (SMULBB GPR:$a, GPR:$b)>;
2524 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2525 (sra GPR:$b, (i32 16))),
2526 (SMULBT GPR:$a, GPR:$b)>;
2527 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2528 (SMULBT GPR:$a, GPR:$b)>;
2529 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2530 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2531 (SMULTB GPR:$a, GPR:$b)>;
2532 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2533 (SMULTB GPR:$a, GPR:$b)>;
2534 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2536 (SMULWB GPR:$a, GPR:$b)>;
2537 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2538 (SMULWB GPR:$a, GPR:$b)>;
2540 def : ARMV5TEPat<(add GPR:$acc,
2541 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2542 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2543 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2544 def : ARMV5TEPat<(add GPR:$acc,
2545 (mul sext_16_node:$a, sext_16_node:$b)),
2546 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2547 def : ARMV5TEPat<(add GPR:$acc,
2548 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2549 (sra GPR:$b, (i32 16)))),
2550 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2551 def : ARMV5TEPat<(add GPR:$acc,
2552 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2553 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2554 def : ARMV5TEPat<(add GPR:$acc,
2555 (mul (sra GPR:$a, (i32 16)),
2556 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2557 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2558 def : ARMV5TEPat<(add GPR:$acc,
2559 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2560 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2561 def : ARMV5TEPat<(add GPR:$acc,
2562 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2564 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2565 def : ARMV5TEPat<(add GPR:$acc,
2566 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2567 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2569 //===----------------------------------------------------------------------===//
2573 include "ARMInstrThumb.td"
2575 //===----------------------------------------------------------------------===//
2579 include "ARMInstrThumb2.td"
2581 //===----------------------------------------------------------------------===//
2582 // Floating Point Support
2585 include "ARMInstrVFP.td"
2587 //===----------------------------------------------------------------------===//
2588 // Advanced SIMD (NEON) Support
2591 include "ARMInstrNEON.td"
2593 //===----------------------------------------------------------------------===//
2594 // Coprocessor Instructions. For disassembly only.
2597 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2598 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2599 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2600 [/* For disassembly only; pattern left blank */]> {
2604 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2605 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2606 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2607 [/* For disassembly only; pattern left blank */]> {
2608 let Inst{31-28} = 0b1111;
2612 class ACI<dag oops, dag iops, string opc, string asm>
2613 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2614 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2615 let Inst{27-25} = 0b110;
2618 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2620 def _OFFSET : ACI<(outs),
2621 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2622 opc, "\tp$cop, cr$CRd, $addr"> {
2623 let Inst{31-28} = op31_28;
2624 let Inst{24} = 1; // P = 1
2625 let Inst{21} = 0; // W = 0
2626 let Inst{22} = 0; // D = 0
2627 let Inst{20} = load;
2630 def _PRE : ACI<(outs),
2631 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2632 opc, "\tp$cop, cr$CRd, $addr!"> {
2633 let Inst{31-28} = op31_28;
2634 let Inst{24} = 1; // P = 1
2635 let Inst{21} = 1; // W = 1
2636 let Inst{22} = 0; // D = 0
2637 let Inst{20} = load;
2640 def _POST : ACI<(outs),
2641 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2642 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2643 let Inst{31-28} = op31_28;
2644 let Inst{24} = 0; // P = 0
2645 let Inst{21} = 1; // W = 1
2646 let Inst{22} = 0; // D = 0
2647 let Inst{20} = load;
2650 def _OPTION : ACI<(outs),
2651 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2652 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2653 let Inst{31-28} = op31_28;
2654 let Inst{24} = 0; // P = 0
2655 let Inst{23} = 1; // U = 1
2656 let Inst{21} = 0; // W = 0
2657 let Inst{22} = 0; // D = 0
2658 let Inst{20} = load;
2661 def L_OFFSET : ACI<(outs),
2662 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2663 opc, "l\tp$cop, cr$CRd, $addr"> {
2664 let Inst{31-28} = op31_28;
2665 let Inst{24} = 1; // P = 1
2666 let Inst{21} = 0; // W = 0
2667 let Inst{22} = 1; // D = 1
2668 let Inst{20} = load;
2671 def L_PRE : ACI<(outs),
2672 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2673 opc, "l\tp$cop, cr$CRd, $addr!"> {
2674 let Inst{31-28} = op31_28;
2675 let Inst{24} = 1; // P = 1
2676 let Inst{21} = 1; // W = 1
2677 let Inst{22} = 1; // D = 1
2678 let Inst{20} = load;
2681 def L_POST : ACI<(outs),
2682 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2683 opc, "l\tp$cop, cr$CRd, [$base], $offset"> {
2684 let Inst{31-28} = op31_28;
2685 let Inst{24} = 0; // P = 0
2686 let Inst{21} = 1; // W = 1
2687 let Inst{22} = 1; // D = 1
2688 let Inst{20} = load;
2691 def L_OPTION : ACI<(outs),
2692 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2693 opc, "l\tp$cop, cr$CRd, [$base], $option"> {
2694 let Inst{31-28} = op31_28;
2695 let Inst{24} = 0; // P = 0
2696 let Inst{23} = 1; // U = 1
2697 let Inst{21} = 0; // W = 0
2698 let Inst{22} = 1; // D = 1
2699 let Inst{20} = load;
2703 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2704 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2705 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2706 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2708 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2709 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2710 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2711 [/* For disassembly only; pattern left blank */]> {
2716 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2717 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2718 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2719 [/* For disassembly only; pattern left blank */]> {
2720 let Inst{31-28} = 0b1111;
2725 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2726 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2727 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2728 [/* For disassembly only; pattern left blank */]> {
2733 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2734 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2735 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2736 [/* For disassembly only; pattern left blank */]> {
2737 let Inst{31-28} = 0b1111;
2742 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2743 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2744 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2745 [/* For disassembly only; pattern left blank */]> {
2746 let Inst{23-20} = 0b0100;
2749 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2750 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2751 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2752 [/* For disassembly only; pattern left blank */]> {
2753 let Inst{31-28} = 0b1111;
2754 let Inst{23-20} = 0b0100;
2757 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2758 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2759 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2760 [/* For disassembly only; pattern left blank */]> {
2761 let Inst{23-20} = 0b0101;
2764 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2765 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2766 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2767 [/* For disassembly only; pattern left blank */]> {
2768 let Inst{31-28} = 0b1111;
2769 let Inst{23-20} = 0b0101;
2772 //===----------------------------------------------------------------------===//
2773 // Move between special register and ARM core register -- for disassembly only
2776 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2777 [/* For disassembly only; pattern left blank */]> {
2778 let Inst{23-20} = 0b0000;
2779 let Inst{7-4} = 0b0000;
2782 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
2783 [/* For disassembly only; pattern left blank */]> {
2784 let Inst{23-20} = 0b0100;
2785 let Inst{7-4} = 0b0000;
2788 // FIXME: mask is ignored for the time being.
2789 def MSR : ABI<0b0001,(outs),(ins GPR:$src), NoItinerary, "msr", "\tcpsr, $src",
2790 [/* For disassembly only; pattern left blank */]> {
2791 let Inst{23-20} = 0b0010;
2792 let Inst{7-4} = 0b0000;
2795 // FIXME: mask is ignored for the time being.
2796 def MSRi : ABI<0b0011,(outs),(ins so_imm:$a), NoItinerary, "msr", "\tcpsr, $a",
2797 [/* For disassembly only; pattern left blank */]> {
2798 let Inst{23-20} = 0b0010;
2799 let Inst{7-4} = 0b0000;
2802 // FIXME: mask is ignored for the time being.
2803 def MSRsys : ABI<0b0001,(outs),(ins GPR:$src),NoItinerary,"msr","\tspsr, $src",
2804 [/* For disassembly only; pattern left blank */]> {
2805 let Inst{23-20} = 0b0110;
2806 let Inst{7-4} = 0b0000;
2809 // FIXME: mask is ignored for the time being.
2810 def MSRsysi : ABI<0b0011,(outs),(ins so_imm:$a),NoItinerary,"msr","\tspsr, $a",
2811 [/* For disassembly only; pattern left blank */]> {
2812 let Inst{23-20} = 0b0110;
2813 let Inst{7-4} = 0b0000;