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} ${cpidx:cpentry}", []>;
638 let Defs = [SP], Uses = [SP] in {
640 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
641 "@ ADJCALLSTACKUP $amt1",
642 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
644 def ADJCALLSTACKDOWN :
645 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
646 "@ ADJCALLSTACKDOWN $amt",
647 [(ARMcallseq_start timm:$amt)]>;
650 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
651 [/* For disassembly only; pattern left blank */]>,
652 Requires<[IsARM, HasV6T2]> {
653 let Inst{27-16} = 0b001100100000;
654 let Inst{7-0} = 0b00000000;
657 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
658 [/* For disassembly only; pattern left blank */]>,
659 Requires<[IsARM, HasV6T2]> {
660 let Inst{27-16} = 0b001100100000;
661 let Inst{7-0} = 0b00000001;
664 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
665 [/* For disassembly only; pattern left blank */]>,
666 Requires<[IsARM, HasV6T2]> {
667 let Inst{27-16} = 0b001100100000;
668 let Inst{7-0} = 0b00000010;
671 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
672 [/* For disassembly only; pattern left blank */]>,
673 Requires<[IsARM, HasV6T2]> {
674 let Inst{27-16} = 0b001100100000;
675 let Inst{7-0} = 0b00000011;
678 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
680 [/* For disassembly only; pattern left blank */]>,
681 Requires<[IsARM, HasV6]> {
682 let Inst{27-20} = 0b01101000;
683 let Inst{7-4} = 0b1011;
686 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
687 [/* For disassembly only; pattern left blank */]>,
688 Requires<[IsARM, HasV6T2]> {
689 let Inst{27-16} = 0b001100100000;
690 let Inst{7-0} = 0b00000100;
693 // The i32imm operand $val can be used by a debugger to store more information
694 // about the breakpoint.
695 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
696 [/* For disassembly only; pattern left blank */]>,
698 let Inst{27-20} = 0b00010010;
699 let Inst{7-4} = 0b0111;
702 // Change Processor State is a system instruction -- for disassembly only.
703 // The singleton $opt operand contains the following information:
704 // opt{4-0} = mode from Inst{4-0}
705 // opt{5} = changemode from Inst{17}
706 // opt{8-6} = AIF from Inst{8-6}
707 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
708 def CPS : AXI<(outs),(ins i32imm:$opt), MiscFrm, NoItinerary, "cps${opt:cps}",
709 [/* For disassembly only; pattern left blank */]>,
711 let Inst{31-28} = 0b1111;
712 let Inst{27-20} = 0b00010000;
717 // Preload signals the memory system of possible future data/instruction access.
718 // These are for disassembly only.
719 multiclass APreLoad<bit data, bit read, string opc> {
721 def i : AXI<(outs), (ins GPR:$base, i32imm:$imm), MiscFrm, NoItinerary,
722 !strconcat(opc, "\t[$base, $imm]"), []> {
723 let Inst{31-26} = 0b111101;
724 let Inst{25} = 0; // 0 for immediate form
727 let Inst{21-20} = 0b01;
730 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
731 !strconcat(opc, "\t$addr"), []> {
732 let Inst{31-26} = 0b111101;
733 let Inst{25} = 1; // 1 for register form
736 let Inst{21-20} = 0b01;
741 defm PLD : APreLoad<1, 1, "pld">;
742 defm PLDW : APreLoad<1, 0, "pldw">;
743 defm PLI : APreLoad<0, 1, "pli">;
745 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
746 [/* For disassembly only; pattern left blank */]>,
748 let Inst{31-28} = 0b1111;
749 let Inst{27-20} = 0b00010000;
752 let Inst{7-4} = 0b0000;
755 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
756 [/* For disassembly only; pattern left blank */]>,
758 let Inst{31-28} = 0b1111;
759 let Inst{27-20} = 0b00010000;
762 let Inst{7-4} = 0b0000;
765 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
766 [/* For disassembly only; pattern left blank */]>,
767 Requires<[IsARM, HasV7]> {
768 let Inst{27-16} = 0b001100100000;
769 let Inst{7-4} = 0b1111;
772 // A5.4 Permanently UNDEFINED instructions.
773 def TRAP : AI<(outs), (ins), MiscFrm, NoItinerary, "trap", "",
774 [/* For disassembly only; pattern left blank */]>,
776 let Inst{27-25} = 0b011;
777 let Inst{24-20} = 0b11111;
778 let Inst{7-5} = 0b111;
782 // Address computation and loads and stores in PIC mode.
783 let isNotDuplicable = 1 in {
784 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
785 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
786 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
788 let AddedComplexity = 10 in {
789 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
790 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
791 [(set GPR:$dst, (load addrmodepc:$addr))]>;
793 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
794 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
795 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
797 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
798 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
799 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
801 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
802 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
803 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
805 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
806 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
807 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
809 let AddedComplexity = 10 in {
810 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
811 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
812 [(store GPR:$src, addrmodepc:$addr)]>;
814 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
815 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
816 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
818 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
819 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
820 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
822 } // isNotDuplicable = 1
825 // LEApcrel - Load a pc-relative address into a register without offending the
827 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
829 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
830 "${:private}PCRELL${:uid}+8))\n"),
831 !strconcat("${:private}PCRELL${:uid}:\n\t",
832 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
835 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
836 (ins i32imm:$label, nohash_imm:$id, pred:$p),
838 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
840 "${:private}PCRELL${:uid}+8))\n"),
841 !strconcat("${:private}PCRELL${:uid}:\n\t",
842 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
847 //===----------------------------------------------------------------------===//
848 // Control Flow Instructions.
851 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
852 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
853 "bx", "\tlr", [(ARMretflag)]> {
854 let Inst{3-0} = 0b1110;
855 let Inst{7-4} = 0b0001;
856 let Inst{19-8} = 0b111111111111;
857 let Inst{27-20} = 0b00010010;
861 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
862 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
863 [(brind GPR:$dst)]> {
864 let Inst{7-4} = 0b0001;
865 let Inst{19-8} = 0b111111111111;
866 let Inst{27-20} = 0b00010010;
867 let Inst{31-28} = 0b1110;
871 // FIXME: remove when we have a way to marking a MI with these properties.
872 // FIXME: Should pc be an implicit operand like PICADD, etc?
873 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
874 hasExtraDefRegAllocReq = 1 in
875 def LDM_RET : AXI4ld<(outs),
876 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
877 LdStMulFrm, IIC_Br, "ldm${addr:submode}${p}\t$addr, $wb",
880 // On non-Darwin platforms R9 is callee-saved.
882 Defs = [R0, R1, R2, R3, R12, LR,
883 D0, D1, D2, D3, D4, D5, D6, D7,
884 D16, D17, D18, D19, D20, D21, D22, D23,
885 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
886 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
887 IIC_Br, "bl\t${func:call}",
888 [(ARMcall tglobaladdr:$func)]>,
889 Requires<[IsARM, IsNotDarwin]> {
890 let Inst{31-28} = 0b1110;
893 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
894 IIC_Br, "bl", "\t${func:call}",
895 [(ARMcall_pred tglobaladdr:$func)]>,
896 Requires<[IsARM, IsNotDarwin]>;
899 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
900 IIC_Br, "blx\t$func",
901 [(ARMcall GPR:$func)]>,
902 Requires<[IsARM, HasV5T, IsNotDarwin]> {
903 let Inst{7-4} = 0b0011;
904 let Inst{19-8} = 0b111111111111;
905 let Inst{27-20} = 0b00010010;
909 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
910 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
911 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
912 [(ARMcall_nolink tGPR:$func)]>,
913 Requires<[IsARM, IsNotDarwin]> {
914 let Inst{7-4} = 0b0001;
915 let Inst{19-8} = 0b111111111111;
916 let Inst{27-20} = 0b00010010;
920 // On Darwin R9 is call-clobbered.
922 Defs = [R0, R1, R2, R3, R9, R12, LR,
923 D0, D1, D2, D3, D4, D5, D6, D7,
924 D16, D17, D18, D19, D20, D21, D22, D23,
925 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
926 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
927 IIC_Br, "bl\t${func:call}",
928 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
929 let Inst{31-28} = 0b1110;
932 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
933 IIC_Br, "bl", "\t${func:call}",
934 [(ARMcall_pred tglobaladdr:$func)]>,
935 Requires<[IsARM, IsDarwin]>;
938 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
939 IIC_Br, "blx\t$func",
940 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
941 let Inst{7-4} = 0b0011;
942 let Inst{19-8} = 0b111111111111;
943 let Inst{27-20} = 0b00010010;
947 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
948 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
949 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
950 [(ARMcall_nolink tGPR:$func)]>, Requires<[IsARM, IsDarwin]> {
951 let Inst{7-4} = 0b0001;
952 let Inst{19-8} = 0b111111111111;
953 let Inst{27-20} = 0b00010010;
957 let isBranch = 1, isTerminator = 1 in {
958 // B is "predicable" since it can be xformed into a Bcc.
959 let isBarrier = 1 in {
960 let isPredicable = 1 in
961 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
962 "b\t$target", [(br bb:$target)]>;
964 let isNotDuplicable = 1, isIndirectBranch = 1 in {
965 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
966 IIC_Br, "mov\tpc, $target \n$jt",
967 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
968 let Inst{11-4} = 0b00000000;
969 let Inst{15-12} = 0b1111;
970 let Inst{20} = 0; // S Bit
971 let Inst{24-21} = 0b1101;
972 let Inst{27-25} = 0b000;
974 def BR_JTm : JTI<(outs),
975 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
976 IIC_Br, "ldr\tpc, $target \n$jt",
977 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
979 let Inst{15-12} = 0b1111;
980 let Inst{20} = 1; // L bit
981 let Inst{21} = 0; // W bit
982 let Inst{22} = 0; // B bit
983 let Inst{24} = 1; // P bit
984 let Inst{27-25} = 0b011;
986 def BR_JTadd : JTI<(outs),
987 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
988 IIC_Br, "add\tpc, $target, $idx \n$jt",
989 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
991 let Inst{15-12} = 0b1111;
992 let Inst{20} = 0; // S bit
993 let Inst{24-21} = 0b0100;
994 let Inst{27-25} = 0b000;
996 } // isNotDuplicable = 1, isIndirectBranch = 1
999 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1000 // a two-value operand where a dag node expects two operands. :(
1001 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1002 IIC_Br, "b", "\t$target",
1003 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1006 // Branch and Exchange Jazelle -- for disassembly only
1007 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1008 [/* For disassembly only; pattern left blank */]> {
1009 let Inst{23-20} = 0b0010;
1010 //let Inst{19-8} = 0xfff;
1011 let Inst{7-4} = 0b0010;
1014 // Secure Monitor Call is a system instruction -- for disassembly only
1015 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1016 [/* For disassembly only; pattern left blank */]> {
1017 let Inst{23-20} = 0b0110;
1018 let Inst{7-4} = 0b0111;
1021 // Supervisor Call (Software Interrupt) -- for disassembly only
1023 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1024 [/* For disassembly only; pattern left blank */]>;
1027 // Store Return State is a system instruction -- for disassembly only
1028 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1029 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1030 [/* For disassembly only; pattern left blank */]> {
1031 let Inst{31-28} = 0b1111;
1032 let Inst{22-20} = 0b110; // W = 1
1035 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1036 NoItinerary, "srs${addr:submode}\tsp, $mode",
1037 [/* For disassembly only; pattern left blank */]> {
1038 let Inst{31-28} = 0b1111;
1039 let Inst{22-20} = 0b100; // W = 0
1042 // Return From Exception is a system instruction -- for disassembly only
1043 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1044 NoItinerary, "rfe${addr:submode}\t$base!",
1045 [/* For disassembly only; pattern left blank */]> {
1046 let Inst{31-28} = 0b1111;
1047 let Inst{22-20} = 0b011; // W = 1
1050 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1051 NoItinerary, "rfe${addr:submode}\t$base",
1052 [/* For disassembly only; pattern left blank */]> {
1053 let Inst{31-28} = 0b1111;
1054 let Inst{22-20} = 0b001; // W = 0
1057 //===----------------------------------------------------------------------===//
1058 // Load / store Instructions.
1062 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
1063 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1064 "ldr", "\t$dst, $addr",
1065 [(set GPR:$dst, (load addrmode2:$addr))]>;
1067 // Special LDR for loads from non-pc-relative constpools.
1068 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1,
1069 mayHaveSideEffects = 1 in
1070 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1071 "ldr", "\t$dst, $addr", []>;
1073 // Loads with zero extension
1074 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1075 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1076 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1078 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1079 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1080 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1082 // Loads with sign extension
1083 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1084 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1085 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1087 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1088 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1089 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1091 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
1093 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1094 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1095 []>, Requires<[IsARM, HasV5TE]>;
1098 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1099 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1100 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1102 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1103 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1104 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1106 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1107 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1108 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1110 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1111 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1112 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1114 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1115 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1116 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1118 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1119 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1120 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1122 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1123 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1124 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1126 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1127 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1128 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1130 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1131 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1132 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1134 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1135 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1136 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1138 // For disassembly only
1139 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1140 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1141 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1142 Requires<[IsARM, HasV5TE]>;
1144 // For disassembly only
1145 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1146 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1147 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1148 Requires<[IsARM, HasV5TE]>;
1152 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1154 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1155 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1156 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1157 let Inst{21} = 1; // overwrite
1160 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1161 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1162 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1163 let Inst{21} = 1; // overwrite
1166 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1167 (ins GPR:$base,am2offset:$offset), LdMiscFrm, IIC_iLoadru,
1168 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1169 let Inst{21} = 1; // overwrite
1172 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1173 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1174 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1175 let Inst{21} = 1; // overwrite
1178 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1179 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1180 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1181 let Inst{21} = 1; // overwrite
1185 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1186 "str", "\t$src, $addr",
1187 [(store GPR:$src, addrmode2:$addr)]>;
1189 // Stores with truncate
1190 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1191 IIC_iStorer, "strh", "\t$src, $addr",
1192 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1194 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1195 "strb", "\t$src, $addr",
1196 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1199 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1200 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1201 StMiscFrm, IIC_iStorer,
1202 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1205 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1206 (ins GPR:$src, GPR:$base, am2offset:$offset),
1207 StFrm, IIC_iStoreru,
1208 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1210 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1212 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1213 (ins GPR:$src, GPR:$base,am2offset:$offset),
1214 StFrm, IIC_iStoreru,
1215 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1217 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1219 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1220 (ins GPR:$src, GPR:$base,am3offset:$offset),
1221 StMiscFrm, IIC_iStoreru,
1222 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1224 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1226 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1227 (ins GPR:$src, GPR:$base,am3offset:$offset),
1228 StMiscFrm, IIC_iStoreru,
1229 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1230 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1231 GPR:$base, am3offset:$offset))]>;
1233 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1234 (ins GPR:$src, GPR:$base,am2offset:$offset),
1235 StFrm, IIC_iStoreru,
1236 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1237 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1238 GPR:$base, am2offset:$offset))]>;
1240 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1241 (ins GPR:$src, GPR:$base,am2offset:$offset),
1242 StFrm, IIC_iStoreru,
1243 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1244 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1245 GPR:$base, am2offset:$offset))]>;
1247 // For disassembly only
1248 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1249 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1250 StMiscFrm, IIC_iStoreru,
1251 "strd", "\t$src1, $src2, [$base, $offset]!",
1252 "$base = $base_wb", []>;
1254 // For disassembly only
1255 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1256 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1257 StMiscFrm, IIC_iStoreru,
1258 "strd", "\t$src1, $src2, [$base], $offset",
1259 "$base = $base_wb", []>;
1261 // STRT and STRBT are for disassembly only.
1263 def STRT : AI2stwpo<(outs GPR:$base_wb),
1264 (ins GPR:$src, GPR:$base,am2offset:$offset),
1265 StFrm, IIC_iStoreru,
1266 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1267 [/* For disassembly only; pattern left blank */]> {
1268 let Inst{21} = 1; // overwrite
1271 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1272 (ins GPR:$src, GPR:$base,am2offset:$offset),
1273 StFrm, IIC_iStoreru,
1274 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1275 [/* For disassembly only; pattern left blank */]> {
1276 let Inst{21} = 1; // overwrite
1279 //===----------------------------------------------------------------------===//
1280 // Load / store multiple Instructions.
1283 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1284 def LDM : AXI4ld<(outs),
1285 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1286 LdStMulFrm, IIC_iLoadm, "ldm${addr:submode}${p}\t$addr, $wb",
1289 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1290 def STM : AXI4st<(outs),
1291 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1292 LdStMulFrm, IIC_iStorem, "stm${addr:submode}${p}\t$addr, $wb",
1295 //===----------------------------------------------------------------------===//
1296 // Move Instructions.
1299 let neverHasSideEffects = 1 in
1300 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1301 "mov", "\t$dst, $src", []>, UnaryDP {
1302 let Inst{11-4} = 0b00000000;
1306 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1307 DPSoRegFrm, IIC_iMOVsr,
1308 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1312 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1313 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1314 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1318 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1319 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1321 "movw", "\t$dst, $src",
1322 [(set GPR:$dst, imm0_65535:$src)]>,
1323 Requires<[IsARM, HasV6T2]>, UnaryDP {
1328 let Constraints = "$src = $dst" in
1329 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1331 "movt", "\t$dst, $imm",
1333 (or (and GPR:$src, 0xffff),
1334 lo16AllZero:$imm))]>, UnaryDP,
1335 Requires<[IsARM, HasV6T2]> {
1340 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1341 Requires<[IsARM, HasV6T2]>;
1343 let Uses = [CPSR] in
1344 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1345 "mov", "\t$dst, $src, rrx",
1346 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1348 // These aren't really mov instructions, but we have to define them this way
1349 // due to flag operands.
1351 let Defs = [CPSR] in {
1352 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1353 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1354 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1355 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1356 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1357 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1360 //===----------------------------------------------------------------------===//
1361 // Extend Instructions.
1366 defm SXTB : AI_unary_rrot<0b01101010,
1367 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1368 defm SXTH : AI_unary_rrot<0b01101011,
1369 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1371 defm SXTAB : AI_bin_rrot<0b01101010,
1372 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1373 defm SXTAH : AI_bin_rrot<0b01101011,
1374 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1376 // For disassembly only
1377 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1379 // For disassembly only
1380 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1384 let AddedComplexity = 16 in {
1385 defm UXTB : AI_unary_rrot<0b01101110,
1386 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1387 defm UXTH : AI_unary_rrot<0b01101111,
1388 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1389 defm UXTB16 : AI_unary_rrot<0b01101100,
1390 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1392 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1393 (UXTB16r_rot GPR:$Src, 24)>;
1394 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1395 (UXTB16r_rot GPR:$Src, 8)>;
1397 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1398 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1399 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1400 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1403 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1404 // For disassembly only
1405 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1408 def SBFX : I<(outs GPR:$dst),
1409 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1410 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1411 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1412 Requires<[IsARM, HasV6T2]> {
1413 let Inst{27-21} = 0b0111101;
1414 let Inst{6-4} = 0b101;
1417 def UBFX : I<(outs GPR:$dst),
1418 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1419 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1420 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1421 Requires<[IsARM, HasV6T2]> {
1422 let Inst{27-21} = 0b0111111;
1423 let Inst{6-4} = 0b101;
1426 //===----------------------------------------------------------------------===//
1427 // Arithmetic Instructions.
1430 defm ADD : AsI1_bin_irs<0b0100, "add",
1431 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1432 defm SUB : AsI1_bin_irs<0b0010, "sub",
1433 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1435 // ADD and SUB with 's' bit set.
1436 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1437 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1438 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1439 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1441 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1442 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1443 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1444 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1445 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1446 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1447 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1448 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1450 // These don't define reg/reg forms, because they are handled above.
1451 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1452 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1453 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1457 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1458 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1459 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1463 // RSB with 's' bit set.
1464 let Defs = [CPSR] in {
1465 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1466 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1467 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1471 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1472 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1473 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1479 let Uses = [CPSR] in {
1480 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1481 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1482 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1486 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1487 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1488 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1494 // FIXME: Allow these to be predicated.
1495 let Defs = [CPSR], Uses = [CPSR] in {
1496 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1497 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1498 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1503 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1504 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1505 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1512 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1513 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1514 (SUBri GPR:$src, so_imm_neg:$imm)>;
1516 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1517 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1518 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1519 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1521 // Note: These are implemented in C++ code, because they have to generate
1522 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1524 // (mul X, 2^n+1) -> (add (X << n), X)
1525 // (mul X, 2^n-1) -> (rsb X, (X << n))
1527 // ARM Arithmetic Instruction -- for disassembly only
1528 // GPR:$dst = GPR:$a op GPR:$b
1529 class AAI<bits<8> op27_20, bits<4> op7_4, string opc>
1530 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1531 opc, "\t$dst, $a, $b",
1532 [/* For disassembly only; pattern left blank */]> {
1533 let Inst{27-20} = op27_20;
1534 let Inst{7-4} = op7_4;
1537 // Saturating add/subtract -- for disassembly only
1539 def QADD : AAI<0b00010000, 0b0101, "qadd">;
1540 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1541 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1542 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1543 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1544 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1545 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1546 def QSUB : AAI<0b00010010, 0b0101, "qsub">;
1547 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1548 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1549 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1550 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1551 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1552 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1553 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1554 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1556 // Signed/Unsigned add/subtract -- for disassembly only
1558 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1559 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1560 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1561 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1562 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1563 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1564 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1565 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1566 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1567 def USAX : AAI<0b01100101, 0b0101, "usax">;
1568 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1569 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1571 // Signed/Unsigned halving add/subtract -- for disassembly only
1573 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1574 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1575 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1576 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1577 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1578 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1579 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1580 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1581 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1582 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1583 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1584 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1586 // Unsigned Sum of Absolute Difference [and Accumulate] -- for disassembly only
1588 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1589 MulFrm /* for convenience */, NoItinerary, "usad8",
1590 "\t$dst, $a, $b", []>,
1591 Requires<[IsARM, HasV6]> {
1592 let Inst{27-20} = 0b01111000;
1593 let Inst{15-12} = 0b1111;
1594 let Inst{7-4} = 0b0001;
1596 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1597 MulFrm /* for convenience */, NoItinerary, "usada8",
1598 "\t$dst, $a, $b, $acc", []>,
1599 Requires<[IsARM, HasV6]> {
1600 let Inst{27-20} = 0b01111000;
1601 let Inst{7-4} = 0b0001;
1604 // Signed/Unsigned saturate -- for disassembly only
1606 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1607 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, LSL $shamt",
1608 [/* For disassembly only; pattern left blank */]> {
1609 let Inst{27-21} = 0b0110101;
1610 let Inst{6-4} = 0b001;
1613 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1614 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, ASR $shamt",
1615 [/* For disassembly only; pattern left blank */]> {
1616 let Inst{27-21} = 0b0110101;
1617 let Inst{6-4} = 0b101;
1620 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1621 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1622 [/* For disassembly only; pattern left blank */]> {
1623 let Inst{27-20} = 0b01101010;
1624 let Inst{7-4} = 0b0011;
1627 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1628 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, LSL $shamt",
1629 [/* For disassembly only; pattern left blank */]> {
1630 let Inst{27-21} = 0b0110111;
1631 let Inst{6-4} = 0b001;
1634 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1635 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, ASR $shamt",
1636 [/* For disassembly only; pattern left blank */]> {
1637 let Inst{27-21} = 0b0110111;
1638 let Inst{6-4} = 0b101;
1641 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1642 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1643 [/* For disassembly only; pattern left blank */]> {
1644 let Inst{27-20} = 0b01101110;
1645 let Inst{7-4} = 0b0011;
1648 //===----------------------------------------------------------------------===//
1649 // Bitwise Instructions.
1652 defm AND : AsI1_bin_irs<0b0000, "and",
1653 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1654 defm ORR : AsI1_bin_irs<0b1100, "orr",
1655 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1656 defm EOR : AsI1_bin_irs<0b0001, "eor",
1657 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1658 defm BIC : AsI1_bin_irs<0b1110, "bic",
1659 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1661 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1662 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1663 "bfc", "\t$dst, $imm", "$src = $dst",
1664 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1665 Requires<[IsARM, HasV6T2]> {
1666 let Inst{27-21} = 0b0111110;
1667 let Inst{6-0} = 0b0011111;
1670 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1671 // Added for disassembler with the pattern field purposely left blank.
1672 def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1673 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1674 "bfi", "\t$dst, $src, $imm", "",
1675 [/* For disassembly only; pattern left blank */]>,
1676 Requires<[IsARM, HasV6T2]> {
1677 let Inst{27-21} = 0b0111110;
1678 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1681 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1682 "mvn", "\t$dst, $src",
1683 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1685 let Inst{11-4} = 0b00000000;
1687 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1688 IIC_iMOVsr, "mvn", "\t$dst, $src",
1689 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1692 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1693 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1694 IIC_iMOVi, "mvn", "\t$dst, $imm",
1695 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1699 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1700 (BICri GPR:$src, so_imm_not:$imm)>;
1702 //===----------------------------------------------------------------------===//
1703 // Multiply Instructions.
1706 let isCommutable = 1 in
1707 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1708 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1709 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1711 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1712 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1713 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1715 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1716 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1717 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1718 Requires<[IsARM, HasV6T2]>;
1720 // Extra precision multiplies with low / high results
1721 let neverHasSideEffects = 1 in {
1722 let isCommutable = 1 in {
1723 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1724 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1725 "smull", "\t$ldst, $hdst, $a, $b", []>;
1727 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1728 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1729 "umull", "\t$ldst, $hdst, $a, $b", []>;
1732 // Multiply + accumulate
1733 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1734 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1735 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1737 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1738 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1739 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1741 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1742 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1743 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1744 Requires<[IsARM, HasV6]>;
1745 } // neverHasSideEffects
1747 // Most significant word multiply
1748 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1749 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1750 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1751 Requires<[IsARM, HasV6]> {
1752 let Inst{7-4} = 0b0001;
1753 let Inst{15-12} = 0b1111;
1756 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1757 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1758 [/* For disassembly only; pattern left blank */]>,
1759 Requires<[IsARM, HasV6]> {
1760 let Inst{7-4} = 0b0011; // R = 1
1761 let Inst{15-12} = 0b1111;
1764 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1765 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1766 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1767 Requires<[IsARM, HasV6]> {
1768 let Inst{7-4} = 0b0001;
1771 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1772 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1773 [/* For disassembly only; pattern left blank */]>,
1774 Requires<[IsARM, HasV6]> {
1775 let Inst{7-4} = 0b0011; // R = 1
1778 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1779 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1780 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1781 Requires<[IsARM, HasV6]> {
1782 let Inst{7-4} = 0b1101;
1785 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1786 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1787 [/* For disassembly only; pattern left blank */]>,
1788 Requires<[IsARM, HasV6]> {
1789 let Inst{7-4} = 0b1111; // R = 1
1792 multiclass AI_smul<string opc, PatFrag opnode> {
1793 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1794 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1795 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1796 (sext_inreg GPR:$b, i16)))]>,
1797 Requires<[IsARM, HasV5TE]> {
1802 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1803 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1804 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1805 (sra GPR:$b, (i32 16))))]>,
1806 Requires<[IsARM, HasV5TE]> {
1811 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1812 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1813 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1814 (sext_inreg GPR:$b, i16)))]>,
1815 Requires<[IsARM, HasV5TE]> {
1820 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1821 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1822 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1823 (sra GPR:$b, (i32 16))))]>,
1824 Requires<[IsARM, HasV5TE]> {
1829 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1830 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1831 [(set GPR:$dst, (sra (opnode GPR:$a,
1832 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1833 Requires<[IsARM, HasV5TE]> {
1838 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1839 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1840 [(set GPR:$dst, (sra (opnode GPR:$a,
1841 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1842 Requires<[IsARM, HasV5TE]> {
1849 multiclass AI_smla<string opc, PatFrag opnode> {
1850 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1851 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1852 [(set GPR:$dst, (add GPR:$acc,
1853 (opnode (sext_inreg GPR:$a, i16),
1854 (sext_inreg GPR:$b, i16))))]>,
1855 Requires<[IsARM, HasV5TE]> {
1860 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1861 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1862 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1863 (sra GPR:$b, (i32 16)))))]>,
1864 Requires<[IsARM, HasV5TE]> {
1869 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1870 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1871 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1872 (sext_inreg GPR:$b, i16))))]>,
1873 Requires<[IsARM, HasV5TE]> {
1878 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1879 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1880 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1881 (sra GPR:$b, (i32 16)))))]>,
1882 Requires<[IsARM, HasV5TE]> {
1887 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1888 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1889 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1890 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1891 Requires<[IsARM, HasV5TE]> {
1896 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1897 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1898 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1899 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1900 Requires<[IsARM, HasV5TE]> {
1906 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1907 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1909 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
1910 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1911 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
1912 [/* For disassembly only; pattern left blank */]>,
1913 Requires<[IsARM, HasV5TE]> {
1918 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1919 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
1920 [/* For disassembly only; pattern left blank */]>,
1921 Requires<[IsARM, HasV5TE]> {
1926 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1927 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
1928 [/* For disassembly only; pattern left blank */]>,
1929 Requires<[IsARM, HasV5TE]> {
1934 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1935 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
1936 [/* For disassembly only; pattern left blank */]>,
1937 Requires<[IsARM, HasV5TE]> {
1942 // Helper class for AI_smld -- for disassembly only
1943 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
1944 InstrItinClass itin, string opc, string asm>
1945 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
1950 let Inst{21-20} = 0b00;
1951 let Inst{22} = long;
1952 let Inst{27-23} = 0b01110;
1955 multiclass AI_smld<bit sub, string opc> {
1957 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1958 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
1960 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1961 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
1963 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
1964 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
1966 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1967 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
1971 defm SMLA : AI_smld<0, "smla">;
1972 defm SMLS : AI_smld<1, "smls">;
1974 multiclass AI_sdml<bit sub, string opc> {
1976 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1977 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
1978 let Inst{15-12} = 0b1111;
1981 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1982 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
1983 let Inst{15-12} = 0b1111;
1988 defm SMUA : AI_sdml<0, "smua">;
1989 defm SMUS : AI_sdml<1, "smus">;
1991 //===----------------------------------------------------------------------===//
1992 // Misc. Arithmetic Instructions.
1995 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1996 "clz", "\t$dst, $src",
1997 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1998 let Inst{7-4} = 0b0001;
1999 let Inst{11-8} = 0b1111;
2000 let Inst{19-16} = 0b1111;
2003 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2004 "rbit", "\t$dst, $src",
2005 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2006 Requires<[IsARM, HasV6T2]> {
2007 let Inst{7-4} = 0b0011;
2008 let Inst{11-8} = 0b1111;
2009 let Inst{19-16} = 0b1111;
2012 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2013 "rev", "\t$dst, $src",
2014 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2015 let Inst{7-4} = 0b0011;
2016 let Inst{11-8} = 0b1111;
2017 let Inst{19-16} = 0b1111;
2020 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2021 "rev16", "\t$dst, $src",
2023 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2024 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2025 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2026 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2027 Requires<[IsARM, HasV6]> {
2028 let Inst{7-4} = 0b1011;
2029 let Inst{11-8} = 0b1111;
2030 let Inst{19-16} = 0b1111;
2033 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2034 "revsh", "\t$dst, $src",
2037 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2038 (shl GPR:$src, (i32 8))), i16))]>,
2039 Requires<[IsARM, HasV6]> {
2040 let Inst{7-4} = 0b1011;
2041 let Inst{11-8} = 0b1111;
2042 let Inst{19-16} = 0b1111;
2045 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2046 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2047 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt",
2048 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2049 (and (shl GPR:$src2, (i32 imm:$shamt)),
2051 Requires<[IsARM, HasV6]> {
2052 let Inst{6-4} = 0b001;
2055 // Alternate cases for PKHBT where identities eliminate some nodes.
2056 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2057 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2058 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2059 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2062 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2063 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2064 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt",
2065 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2066 (and (sra GPR:$src2, imm16_31:$shamt),
2067 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2068 let Inst{6-4} = 0b101;
2071 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2072 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2073 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2074 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2075 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2076 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2077 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2079 //===----------------------------------------------------------------------===//
2080 // Comparison Instructions...
2083 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2084 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2085 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2086 // Compare-to-zero still works out, just not the relationals
2087 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2088 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2090 // Note that TST/TEQ don't set all the same flags that CMP does!
2091 defm TST : AI1_cmp_irs<0b1000, "tst",
2092 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2093 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2094 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2096 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2097 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2098 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2099 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2101 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2102 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2104 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2105 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2108 // Conditional moves
2109 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2110 // a two-value operand where a dag node expects two operands. :(
2111 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2112 IIC_iCMOVr, "mov", "\t$dst, $true",
2113 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2114 RegConstraint<"$false = $dst">, UnaryDP {
2115 let Inst{11-4} = 0b00000000;
2119 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2120 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2121 "mov", "\t$dst, $true",
2122 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2123 RegConstraint<"$false = $dst">, UnaryDP {
2127 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2128 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2129 "mov", "\t$dst, $true",
2130 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2131 RegConstraint<"$false = $dst">, UnaryDP {
2135 //===----------------------------------------------------------------------===//
2136 // Atomic operations intrinsics
2139 // memory barriers protect the atomic sequences
2140 let hasSideEffects = 1 in {
2141 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2142 Pseudo, NoItinerary,
2144 [(ARMMemBarrierV7)]>,
2145 Requires<[IsARM, HasV7]> {
2146 let Inst{31-4} = 0xf57ff05;
2147 // FIXME: add support for options other than a full system DMB
2148 // See DMB disassembly-only variants below.
2149 let Inst{3-0} = 0b1111;
2152 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2153 Pseudo, NoItinerary,
2155 [(ARMSyncBarrierV7)]>,
2156 Requires<[IsARM, HasV7]> {
2157 let Inst{31-4} = 0xf57ff04;
2158 // FIXME: add support for options other than a full system DSB
2159 // See DSB disassembly-only variants below.
2160 let Inst{3-0} = 0b1111;
2163 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2164 Pseudo, NoItinerary,
2165 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2166 [(ARMMemBarrierV6 GPR:$zero)]>,
2167 Requires<[IsARM, HasV6]> {
2168 // FIXME: add support for options other than a full system DMB
2169 // FIXME: add encoding
2172 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2173 Pseudo, NoItinerary,
2174 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2175 [(ARMSyncBarrierV6 GPR:$zero)]>,
2176 Requires<[IsARM, HasV6]> {
2177 // FIXME: add support for options other than a full system DSB
2178 // FIXME: add encoding
2182 // Helper class for multiclass MemB -- for disassembly only
2183 class AMBI<string opc, string asm>
2184 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2185 [/* For disassembly only; pattern left blank */]>,
2186 Requires<[IsARM, HasV7]> {
2187 let Inst{31-20} = 0xf57;
2190 multiclass MemB<bits<4> op7_4, string opc> {
2192 def st : AMBI<opc, "\tst"> {
2193 let Inst{7-4} = op7_4;
2194 let Inst{3-0} = 0b1110;
2197 def ish : AMBI<opc, "\tish"> {
2198 let Inst{7-4} = op7_4;
2199 let Inst{3-0} = 0b1011;
2202 def ishst : AMBI<opc, "\tishst"> {
2203 let Inst{7-4} = op7_4;
2204 let Inst{3-0} = 0b1010;
2207 def nsh : AMBI<opc, "\tnsh"> {
2208 let Inst{7-4} = op7_4;
2209 let Inst{3-0} = 0b0111;
2212 def nshst : AMBI<opc, "\tnshst"> {
2213 let Inst{7-4} = op7_4;
2214 let Inst{3-0} = 0b0110;
2217 def osh : AMBI<opc, "\tosh"> {
2218 let Inst{7-4} = op7_4;
2219 let Inst{3-0} = 0b0011;
2222 def oshst : AMBI<opc, "\toshst"> {
2223 let Inst{7-4} = op7_4;
2224 let Inst{3-0} = 0b0010;
2228 // These DMB variants are for disassembly only.
2229 defm DMB : MemB<0b0101, "dmb">;
2231 // These DSB variants are for disassembly only.
2232 defm DSB : MemB<0b0100, "dsb">;
2234 // ISB has only full system option -- for disassembly only
2235 def ISBsy : AMBI<"isb", ""> {
2236 let Inst{7-4} = 0b0110;
2237 let Inst{3-0} = 0b1111;
2240 let usesCustomInserter = 1 in {
2241 let Uses = [CPSR] in {
2242 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2243 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2244 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2245 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2246 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2247 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2248 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2249 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2250 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2251 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2252 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2253 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2254 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2255 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2256 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2257 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2258 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2259 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2260 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2261 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2262 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2263 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2264 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2265 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2266 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2267 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2268 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2269 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2270 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2271 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2272 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2273 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2274 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2275 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2276 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2277 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2278 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2279 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2280 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2281 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2282 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2283 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2284 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2285 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2286 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2287 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2288 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2289 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2290 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2291 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2292 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2293 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2294 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2295 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2296 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2297 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2298 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2299 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2300 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2301 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2302 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2303 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2304 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2305 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2306 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2307 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2308 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2309 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2310 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2311 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2312 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2313 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2315 def ATOMIC_SWAP_I8 : PseudoInst<
2316 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2317 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2318 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2319 def ATOMIC_SWAP_I16 : PseudoInst<
2320 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2321 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2322 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2323 def ATOMIC_SWAP_I32 : PseudoInst<
2324 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2325 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2326 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2328 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2329 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2330 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2331 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2332 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2333 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2334 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2335 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2336 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2337 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2338 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2339 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2343 let mayLoad = 1 in {
2344 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2345 "ldrexb", "\t$dest, [$ptr]",
2347 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2348 "ldrexh", "\t$dest, [$ptr]",
2350 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2351 "ldrex", "\t$dest, [$ptr]",
2353 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2355 "ldrexd", "\t$dest, $dest2, [$ptr]",
2359 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2360 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2362 "strexb", "\t$success, $src, [$ptr]",
2364 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2366 "strexh", "\t$success, $src, [$ptr]",
2368 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2370 "strex", "\t$success, $src, [$ptr]",
2372 def STREXD : AIstrex<0b01, (outs GPR:$success),
2373 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2375 "strexd", "\t$success, $src, $src2, [$ptr]",
2379 // Clear-Exclusive is for disassembly only.
2380 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2381 [/* For disassembly only; pattern left blank */]>,
2382 Requires<[IsARM, HasV7]> {
2383 let Inst{31-20} = 0xf57;
2384 let Inst{7-4} = 0b0001;
2387 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2388 let mayLoad = 1 in {
2389 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2390 "swp", "\t$dst, $src, [$ptr]",
2391 [/* For disassembly only; pattern left blank */]> {
2392 let Inst{27-23} = 0b00010;
2393 let Inst{22} = 0; // B = 0
2394 let Inst{21-20} = 0b00;
2395 let Inst{7-4} = 0b1001;
2398 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2399 "swpb", "\t$dst, $src, [$ptr]",
2400 [/* For disassembly only; pattern left blank */]> {
2401 let Inst{27-23} = 0b00010;
2402 let Inst{22} = 1; // B = 1
2403 let Inst{21-20} = 0b00;
2404 let Inst{7-4} = 0b1001;
2408 //===----------------------------------------------------------------------===//
2412 // __aeabi_read_tp preserves the registers r1-r3.
2414 Defs = [R0, R12, LR, CPSR] in {
2415 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2416 "bl\t__aeabi_read_tp",
2417 [(set R0, ARMthread_pointer)]>;
2420 //===----------------------------------------------------------------------===//
2421 // SJLJ Exception handling intrinsics
2422 // eh_sjlj_setjmp() is an instruction sequence to store the return
2423 // address and save #0 in R0 for the non-longjmp case.
2424 // Since by its nature we may be coming from some other function to get
2425 // here, and we're using the stack frame for the containing function to
2426 // save/restore registers, we can't keep anything live in regs across
2427 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2428 // when we get here from a longjmp(). We force everthing out of registers
2429 // except for our own input by listing the relevant registers in Defs. By
2430 // doing so, we also cause the prologue/epilogue code to actively preserve
2431 // all of the callee-saved resgisters, which is exactly what we want.
2432 // A constant value is passed in $val, and we use the location as a scratch.
2434 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2435 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2436 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2438 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2439 AddrModeNone, SizeSpecial, IndexModeNone,
2440 Pseudo, NoItinerary,
2441 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
2442 "add\t$val, pc, #8\n\t"
2443 "str\t$val, [$src, #+4]\n\t"
2445 "add\tpc, pc, #0\n\t"
2446 "mov\tr0, #1 @ eh_setjmp end", "",
2447 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>;
2450 //===----------------------------------------------------------------------===//
2451 // Non-Instruction Patterns
2454 // Large immediate handling.
2456 // Two piece so_imms.
2457 let isReMaterializable = 1 in
2458 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2460 "mov", "\t$dst, $src",
2461 [(set GPR:$dst, so_imm2part:$src)]>,
2462 Requires<[IsARM, NoV6T2]>;
2464 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2465 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2466 (so_imm2part_2 imm:$RHS))>;
2467 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2468 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2469 (so_imm2part_2 imm:$RHS))>;
2470 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2471 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2472 (so_imm2part_2 imm:$RHS))>;
2473 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2474 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2475 (so_neg_imm2part_2 imm:$RHS))>;
2477 // 32-bit immediate using movw + movt.
2478 // This is a single pseudo instruction, the benefit is that it can be remat'd
2479 // as a single unit instead of having to handle reg inputs.
2480 // FIXME: Remove this when we can do generalized remat.
2481 let isReMaterializable = 1 in
2482 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2483 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2484 [(set GPR:$dst, (i32 imm:$src))]>,
2485 Requires<[IsARM, HasV6T2]>;
2487 // ConstantPool, GlobalAddress, and JumpTable
2488 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2489 Requires<[IsARM, DontUseMovt]>;
2490 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2491 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2492 Requires<[IsARM, UseMovt]>;
2493 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2494 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2496 // TODO: add,sub,and, 3-instr forms?
2500 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2501 Requires<[IsARM, IsNotDarwin]>;
2502 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2503 Requires<[IsARM, IsDarwin]>;
2505 // zextload i1 -> zextload i8
2506 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2508 // extload -> zextload
2509 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2510 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2511 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2513 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2514 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2517 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2518 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2519 (SMULBB GPR:$a, GPR:$b)>;
2520 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2521 (SMULBB GPR:$a, GPR:$b)>;
2522 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2523 (sra GPR:$b, (i32 16))),
2524 (SMULBT GPR:$a, GPR:$b)>;
2525 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2526 (SMULBT GPR:$a, GPR:$b)>;
2527 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2528 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2529 (SMULTB GPR:$a, GPR:$b)>;
2530 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2531 (SMULTB GPR:$a, GPR:$b)>;
2532 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2534 (SMULWB GPR:$a, GPR:$b)>;
2535 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2536 (SMULWB GPR:$a, GPR:$b)>;
2538 def : ARMV5TEPat<(add GPR:$acc,
2539 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2540 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2541 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2542 def : ARMV5TEPat<(add GPR:$acc,
2543 (mul sext_16_node:$a, sext_16_node:$b)),
2544 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2545 def : ARMV5TEPat<(add GPR:$acc,
2546 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2547 (sra GPR:$b, (i32 16)))),
2548 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2549 def : ARMV5TEPat<(add GPR:$acc,
2550 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2551 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2552 def : ARMV5TEPat<(add GPR:$acc,
2553 (mul (sra GPR:$a, (i32 16)),
2554 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2555 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2556 def : ARMV5TEPat<(add GPR:$acc,
2557 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2558 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2559 def : ARMV5TEPat<(add GPR:$acc,
2560 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2562 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2563 def : ARMV5TEPat<(add GPR:$acc,
2564 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2565 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2567 //===----------------------------------------------------------------------===//
2571 include "ARMInstrThumb.td"
2573 //===----------------------------------------------------------------------===//
2577 include "ARMInstrThumb2.td"
2579 //===----------------------------------------------------------------------===//
2580 // Floating Point Support
2583 include "ARMInstrVFP.td"
2585 //===----------------------------------------------------------------------===//
2586 // Advanced SIMD (NEON) Support
2589 include "ARMInstrNEON.td"
2591 //===----------------------------------------------------------------------===//
2592 // Coprocessor Instructions. For disassembly only.
2595 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2596 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2597 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2598 [/* For disassembly only; pattern left blank */]> {
2602 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2603 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2604 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2605 [/* For disassembly only; pattern left blank */]> {
2606 let Inst{31-28} = 0b1111;
2610 class ACI<dag oops, dag iops, string opc, string asm>
2611 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2612 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2613 let Inst{27-25} = 0b110;
2616 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2618 def _OFFSET : ACI<(outs),
2619 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2620 opc, "\tp$cop, cr$CRd, $addr"> {
2621 let Inst{31-28} = op31_28;
2622 let Inst{24} = 1; // P = 1
2623 let Inst{21} = 0; // W = 0
2624 let Inst{22} = 0; // D = 0
2625 let Inst{20} = load;
2628 def _PRE : ACI<(outs),
2629 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2630 opc, "\tp$cop, cr$CRd, $addr!"> {
2631 let Inst{31-28} = op31_28;
2632 let Inst{24} = 1; // P = 1
2633 let Inst{21} = 1; // W = 1
2634 let Inst{22} = 0; // D = 0
2635 let Inst{20} = load;
2638 def _POST : ACI<(outs),
2639 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2640 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2641 let Inst{31-28} = op31_28;
2642 let Inst{24} = 0; // P = 0
2643 let Inst{21} = 1; // W = 1
2644 let Inst{22} = 0; // D = 0
2645 let Inst{20} = load;
2648 def _OPTION : ACI<(outs),
2649 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2650 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2651 let Inst{31-28} = op31_28;
2652 let Inst{24} = 0; // P = 0
2653 let Inst{23} = 1; // U = 1
2654 let Inst{21} = 0; // W = 0
2655 let Inst{22} = 0; // D = 0
2656 let Inst{20} = load;
2659 def L_OFFSET : ACI<(outs),
2660 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2661 opc, "l\tp$cop, cr$CRd, $addr"> {
2662 let Inst{31-28} = op31_28;
2663 let Inst{24} = 1; // P = 1
2664 let Inst{21} = 0; // W = 0
2665 let Inst{22} = 1; // D = 1
2666 let Inst{20} = load;
2669 def L_PRE : ACI<(outs),
2670 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2671 opc, "l\tp$cop, cr$CRd, $addr!"> {
2672 let Inst{31-28} = op31_28;
2673 let Inst{24} = 1; // P = 1
2674 let Inst{21} = 1; // W = 1
2675 let Inst{22} = 1; // D = 1
2676 let Inst{20} = load;
2679 def L_POST : ACI<(outs),
2680 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2681 opc, "l\tp$cop, cr$CRd, [$base], $offset"> {
2682 let Inst{31-28} = op31_28;
2683 let Inst{24} = 0; // P = 0
2684 let Inst{21} = 1; // W = 1
2685 let Inst{22} = 1; // D = 1
2686 let Inst{20} = load;
2689 def L_OPTION : ACI<(outs),
2690 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2691 opc, "l\tp$cop, cr$CRd, [$base], $option"> {
2692 let Inst{31-28} = op31_28;
2693 let Inst{24} = 0; // P = 0
2694 let Inst{23} = 1; // U = 1
2695 let Inst{21} = 0; // W = 0
2696 let Inst{22} = 1; // D = 1
2697 let Inst{20} = load;
2701 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2702 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2703 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2704 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2706 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2707 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2708 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2709 [/* For disassembly only; pattern left blank */]> {
2714 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2715 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2716 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2717 [/* For disassembly only; pattern left blank */]> {
2718 let Inst{31-28} = 0b1111;
2723 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2724 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2725 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2726 [/* For disassembly only; pattern left blank */]> {
2731 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2732 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2733 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2734 [/* For disassembly only; pattern left blank */]> {
2735 let Inst{31-28} = 0b1111;
2740 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2741 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2742 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2743 [/* For disassembly only; pattern left blank */]> {
2744 let Inst{23-20} = 0b0100;
2747 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2748 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2749 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2750 [/* For disassembly only; pattern left blank */]> {
2751 let Inst{31-28} = 0b1111;
2752 let Inst{23-20} = 0b0100;
2755 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2756 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2757 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2758 [/* For disassembly only; pattern left blank */]> {
2759 let Inst{23-20} = 0b0101;
2762 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2763 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2764 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2765 [/* For disassembly only; pattern left blank */]> {
2766 let Inst{31-28} = 0b1111;
2767 let Inst{23-20} = 0b0101;
2770 //===----------------------------------------------------------------------===//
2771 // Move between special register and ARM core register -- for disassembly only
2774 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2775 [/* For disassembly only; pattern left blank */]> {
2776 let Inst{23-20} = 0b0000;
2777 let Inst{7-4} = 0b0000;
2780 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
2781 [/* For disassembly only; pattern left blank */]> {
2782 let Inst{23-20} = 0b0100;
2783 let Inst{7-4} = 0b0000;
2786 // FIXME: mask is ignored for the time being.
2787 def MSR : ABI<0b0001,(outs),(ins GPR:$src), NoItinerary, "msr", "\tcpsr, $src",
2788 [/* For disassembly only; pattern left blank */]> {
2789 let Inst{23-20} = 0b0010;
2790 let Inst{7-4} = 0b0000;
2793 // FIXME: mask is ignored for the time being.
2794 def MSRi : ABI<0b0011,(outs),(ins so_imm:$a), NoItinerary, "msr", "\tcpsr, $a",
2795 [/* For disassembly only; pattern left blank */]> {
2796 let Inst{23-20} = 0b0010;
2797 let Inst{7-4} = 0b0000;
2800 // FIXME: mask is ignored for the time being.
2801 def MSRsys : ABI<0b0001,(outs),(ins GPR:$src),NoItinerary,"msr","\tspsr, $src",
2802 [/* For disassembly only; pattern left blank */]> {
2803 let Inst{23-20} = 0b0110;
2804 let Inst{7-4} = 0b0000;
2807 // FIXME: mask is ignored for the time being.
2808 def MSRsysi : ABI<0b0011,(outs),(ins so_imm:$a),NoItinerary,"msr","\tspsr, $a",
2809 [/* For disassembly only; pattern left blank */]> {
2810 let Inst{23-20} = 0b0110;
2811 let Inst{7-4} = 0b0000;