codegen_arm64.h revision 2eba1fa7e9e5f91e18ae3778d529520bd2c78d55
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_COMPILER_DEX_QUICK_ARM64_CODEGEN_ARM64_H_
18#define ART_COMPILER_DEX_QUICK_ARM64_CODEGEN_ARM64_H_
19
20#include "arm64_lir.h"
21#include "dex/compiler_internals.h"
22
23#include <map>
24
25namespace art {
26
27class Arm64Mir2Lir FINAL : public Mir2Lir {
28 protected:
29  // TODO: consolidate 64-bit target support.
30  class InToRegStorageMapper {
31   public:
32    virtual RegStorage GetNextReg(bool is_double_or_float, bool is_wide, bool is_ref) = 0;
33    virtual ~InToRegStorageMapper() {}
34  };
35
36  class InToRegStorageArm64Mapper : public InToRegStorageMapper {
37   public:
38    InToRegStorageArm64Mapper() : cur_core_reg_(0), cur_fp_reg_(0) {}
39    virtual ~InToRegStorageArm64Mapper() {}
40    virtual RegStorage GetNextReg(bool is_double_or_float, bool is_wide, bool is_ref);
41   private:
42    int cur_core_reg_;
43    int cur_fp_reg_;
44  };
45
46  class InToRegStorageMapping {
47   public:
48    InToRegStorageMapping() : max_mapped_in_(0), is_there_stack_mapped_(false),
49    initialized_(false) {}
50    void Initialize(RegLocation* arg_locs, int count, InToRegStorageMapper* mapper);
51    int GetMaxMappedIn() { return max_mapped_in_; }
52    bool IsThereStackMapped() { return is_there_stack_mapped_; }
53    RegStorage Get(int in_position);
54    bool IsInitialized() { return initialized_; }
55   private:
56    std::map<int, RegStorage> mapping_;
57    int max_mapped_in_;
58    bool is_there_stack_mapped_;
59    bool initialized_;
60  };
61
62 public:
63  Arm64Mir2Lir(CompilationUnit* cu, MIRGraph* mir_graph, ArenaAllocator* arena);
64
65  // Required for target - codegen helpers.
66  bool SmallLiteralDivRem(Instruction::Code dalvik_opcode, bool is_div, RegLocation rl_src,
67                          RegLocation rl_dest, int lit) OVERRIDE;
68  bool HandleEasyDivRem(Instruction::Code dalvik_opcode, bool is_div,
69                        RegLocation rl_src, RegLocation rl_dest, int lit) OVERRIDE;
70  bool HandleEasyDivRem64(Instruction::Code dalvik_opcode, bool is_div,
71                          RegLocation rl_src, RegLocation rl_dest, int64_t lit);
72  bool EasyMultiply(RegLocation rl_src, RegLocation rl_dest, int lit) OVERRIDE;
73  LIR* CheckSuspendUsingLoad() OVERRIDE;
74  RegStorage LoadHelper(QuickEntrypointEnum trampoline) OVERRIDE;
75  LIR* LoadBaseDisp(RegStorage r_base, int displacement, RegStorage r_dest,
76                    OpSize size, VolatileKind is_volatile) OVERRIDE;
77  LIR* LoadRefDisp(RegStorage r_base, int displacement, RegStorage r_dest,
78                   VolatileKind is_volatile) OVERRIDE;
79  LIR* LoadBaseIndexed(RegStorage r_base, RegStorage r_index, RegStorage r_dest, int scale,
80                       OpSize size) OVERRIDE;
81  LIR* LoadRefIndexed(RegStorage r_base, RegStorage r_index, RegStorage r_dest, int scale)
82      OVERRIDE;
83  LIR* LoadConstantNoClobber(RegStorage r_dest, int value) OVERRIDE;
84  LIR* LoadConstantWide(RegStorage r_dest, int64_t value) OVERRIDE;
85  LIR* StoreBaseDisp(RegStorage r_base, int displacement, RegStorage r_src, OpSize size,
86                     VolatileKind is_volatile) OVERRIDE;
87  LIR* StoreRefDisp(RegStorage r_base, int displacement, RegStorage r_src, VolatileKind is_volatile)
88      OVERRIDE;
89  LIR* StoreBaseIndexed(RegStorage r_base, RegStorage r_index, RegStorage r_src, int scale,
90                        OpSize size) OVERRIDE;
91  LIR* StoreRefIndexed(RegStorage r_base, RegStorage r_index, RegStorage r_src, int scale) OVERRIDE;
92  void MarkGCCard(RegStorage val_reg, RegStorage tgt_addr_reg) OVERRIDE;
93  LIR* OpCmpMemImmBranch(ConditionCode cond, RegStorage temp_reg, RegStorage base_reg,
94                         int offset, int check_value, LIR* target, LIR** compare) OVERRIDE;
95
96  // Required for target - register utilities.
97  RegStorage TargetReg(SpecialTargetRegister reg) OVERRIDE;
98  RegStorage TargetReg(SpecialTargetRegister symbolic_reg, WideKind wide_kind) OVERRIDE {
99    if (wide_kind == kWide || wide_kind == kRef) {
100      return As64BitReg(TargetReg(symbolic_reg));
101    } else {
102      return Check32BitReg(TargetReg(symbolic_reg));
103    }
104  }
105  RegStorage TargetPtrReg(SpecialTargetRegister symbolic_reg) OVERRIDE {
106    return As64BitReg(TargetReg(symbolic_reg));
107  }
108  RegStorage GetArgMappingToPhysicalReg(int arg_num) OVERRIDE;
109  RegLocation GetReturnAlt() OVERRIDE;
110  RegLocation GetReturnWideAlt() OVERRIDE;
111  RegLocation LocCReturn() OVERRIDE;
112  RegLocation LocCReturnRef() OVERRIDE;
113  RegLocation LocCReturnDouble() OVERRIDE;
114  RegLocation LocCReturnFloat() OVERRIDE;
115  RegLocation LocCReturnWide() OVERRIDE;
116  ResourceMask GetRegMaskCommon(const RegStorage& reg) const OVERRIDE;
117  void AdjustSpillMask() OVERRIDE;
118  void ClobberCallerSave() OVERRIDE;
119  void FreeCallTemps() OVERRIDE;
120  void LockCallTemps() OVERRIDE;
121  void CompilerInitializeRegAlloc() OVERRIDE;
122
123  // Required for target - miscellaneous.
124  void AssembleLIR() OVERRIDE;
125  void DumpResourceMask(LIR* lir, const ResourceMask& mask, const char* prefix) OVERRIDE;
126  void SetupTargetResourceMasks(LIR* lir, uint64_t flags,
127                                ResourceMask* use_mask, ResourceMask* def_mask) OVERRIDE;
128  const char* GetTargetInstFmt(int opcode) OVERRIDE;
129  const char* GetTargetInstName(int opcode) OVERRIDE;
130  std::string BuildInsnString(const char* fmt, LIR* lir, unsigned char* base_addr) OVERRIDE;
131  ResourceMask GetPCUseDefEncoding() const OVERRIDE;
132  uint64_t GetTargetInstFlags(int opcode) OVERRIDE;
133  size_t GetInsnSize(LIR* lir) OVERRIDE;
134  bool IsUnconditionalBranch(LIR* lir) OVERRIDE;
135
136  // Get the register class for load/store of a field.
137  RegisterClass RegClassForFieldLoadStore(OpSize size, bool is_volatile) OVERRIDE;
138
139  // Required for target - Dalvik-level generators.
140  void GenShiftOpLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
141                      RegLocation lr_shift) OVERRIDE;
142  void GenArithImmOpLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
143                         RegLocation rl_src2) OVERRIDE;
144  void GenArrayGet(int opt_flags, OpSize size, RegLocation rl_array, RegLocation rl_index,
145                   RegLocation rl_dest, int scale) OVERRIDE;
146  void GenArrayPut(int opt_flags, OpSize size, RegLocation rl_array, RegLocation rl_index,
147                   RegLocation rl_src, int scale, bool card_mark) OVERRIDE;
148  void GenShiftImmOpLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
149                         RegLocation rl_shift) OVERRIDE;
150  void GenMulLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
151                  RegLocation rl_src2) OVERRIDE;
152  void GenAddLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
153                  RegLocation rl_src2) OVERRIDE;
154  void GenAndLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
155                  RegLocation rl_src2) OVERRIDE;
156  void GenArithOpDouble(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
157                        RegLocation rl_src2) OVERRIDE;
158  void GenArithOpFloat(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
159                       RegLocation rl_src2) OVERRIDE;
160  void GenCmpFP(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
161                RegLocation rl_src2) OVERRIDE;
162  void GenConversion(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src) OVERRIDE;
163  bool GenInlinedReverseBits(CallInfo* info, OpSize size) OVERRIDE;
164  bool GenInlinedAbsFloat(CallInfo* info) OVERRIDE;
165  bool GenInlinedAbsDouble(CallInfo* info) OVERRIDE;
166  bool GenInlinedCas(CallInfo* info, bool is_long, bool is_object) OVERRIDE;
167  bool GenInlinedMinMax(CallInfo* info, bool is_min, bool is_long) OVERRIDE;
168  bool GenInlinedMinMaxFP(CallInfo* info, bool is_min, bool is_double) OVERRIDE;
169  bool GenInlinedSqrt(CallInfo* info) OVERRIDE;
170  bool GenInlinedCeil(CallInfo* info) OVERRIDE;
171  bool GenInlinedFloor(CallInfo* info) OVERRIDE;
172  bool GenInlinedRint(CallInfo* info) OVERRIDE;
173  bool GenInlinedRound(CallInfo* info, bool is_double) OVERRIDE;
174  bool GenInlinedPeek(CallInfo* info, OpSize size) OVERRIDE;
175  bool GenInlinedPoke(CallInfo* info, OpSize size) OVERRIDE;
176  bool GenInlinedAbsLong(CallInfo* info) OVERRIDE;
177  void GenIntToLong(RegLocation rl_dest, RegLocation rl_src) OVERRIDE;
178  void GenNotLong(RegLocation rl_dest, RegLocation rl_src) OVERRIDE;
179  void GenNegLong(RegLocation rl_dest, RegLocation rl_src) OVERRIDE;
180  void GenOrLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
181                 RegLocation rl_src2) OVERRIDE;
182  void GenSubLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
183                  RegLocation rl_src2) OVERRIDE;
184  void GenXorLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
185                  RegLocation rl_src2) OVERRIDE;
186  void GenDivRemLong(Instruction::Code opcode, RegLocation rl_dest, RegLocation rl_src1,
187                     RegLocation rl_src2, bool is_div) OVERRIDE;
188  RegLocation GenDivRem(RegLocation rl_dest, RegStorage reg_lo, RegStorage reg_hi, bool is_div)
189      OVERRIDE;
190  RegLocation GenDivRemLit(RegLocation rl_dest, RegStorage reg_lo, int lit, bool is_div)
191      OVERRIDE;
192  void GenCmpLong(RegLocation rl_dest, RegLocation rl_src1, RegLocation rl_src2)  OVERRIDE;
193  void GenDivZeroCheckWide(RegStorage reg) OVERRIDE;
194  void GenEntrySequence(RegLocation* ArgLocs, RegLocation rl_method) OVERRIDE;
195  void GenExitSequence() OVERRIDE;
196  void GenSpecialExitSequence() OVERRIDE;
197  void GenFillArrayData(DexOffset table_offset, RegLocation rl_src) OVERRIDE;
198  void GenFusedFPCmpBranch(BasicBlock* bb, MIR* mir, bool gt_bias, bool is_double) OVERRIDE;
199  void GenFusedLongCmpBranch(BasicBlock* bb, MIR* mir) OVERRIDE;
200  void GenSelect(BasicBlock* bb, MIR* mir) OVERRIDE;
201  void GenSelectConst32(RegStorage left_op, RegStorage right_op, ConditionCode code,
202                        int32_t true_val, int32_t false_val, RegStorage rs_dest,
203                        int dest_reg_class) OVERRIDE;
204
205  bool GenMemBarrier(MemBarrierKind barrier_kind) OVERRIDE;
206  void GenMonitorEnter(int opt_flags, RegLocation rl_src) OVERRIDE;
207  void GenMonitorExit(int opt_flags, RegLocation rl_src) OVERRIDE;
208  void GenMoveException(RegLocation rl_dest) OVERRIDE;
209  void GenMultiplyByTwoBitMultiplier(RegLocation rl_src, RegLocation rl_result, int lit,
210                                     int first_bit, int second_bit) OVERRIDE;
211  void GenNegDouble(RegLocation rl_dest, RegLocation rl_src) OVERRIDE;
212  void GenNegFloat(RegLocation rl_dest, RegLocation rl_src) OVERRIDE;
213  void GenPackedSwitch(MIR* mir, DexOffset table_offset, RegLocation rl_src) OVERRIDE;
214  void GenSparseSwitch(MIR* mir, DexOffset table_offset, RegLocation rl_src) OVERRIDE;
215
216  // Required for target - single operation generators.
217  LIR* OpUnconditionalBranch(LIR* target) OVERRIDE;
218  LIR* OpCmpBranch(ConditionCode cond, RegStorage src1, RegStorage src2, LIR* target) OVERRIDE;
219  LIR* OpCmpImmBranch(ConditionCode cond, RegStorage reg, int check_value, LIR* target) OVERRIDE;
220  LIR* OpCondBranch(ConditionCode cc, LIR* target) OVERRIDE;
221  LIR* OpDecAndBranch(ConditionCode c_code, RegStorage reg, LIR* target) OVERRIDE;
222  LIR* OpFpRegCopy(RegStorage r_dest, RegStorage r_src) OVERRIDE;
223  LIR* OpIT(ConditionCode cond, const char* guide) OVERRIDE;
224  void OpEndIT(LIR* it) OVERRIDE;
225  LIR* OpMem(OpKind op, RegStorage r_base, int disp) OVERRIDE;
226  LIR* OpPcRelLoad(RegStorage reg, LIR* target) OVERRIDE;
227  LIR* OpReg(OpKind op, RegStorage r_dest_src) OVERRIDE;
228  void OpRegCopy(RegStorage r_dest, RegStorage r_src) OVERRIDE;
229  LIR* OpRegCopyNoInsert(RegStorage r_dest, RegStorage r_src) OVERRIDE;
230  LIR* OpRegImm(OpKind op, RegStorage r_dest_src1, int value) OVERRIDE;
231  LIR* OpRegReg(OpKind op, RegStorage r_dest_src1, RegStorage r_src2) OVERRIDE;
232  LIR* OpMovRegMem(RegStorage r_dest, RegStorage r_base, int offset, MoveType move_type) OVERRIDE;
233  LIR* OpMovMemReg(RegStorage r_base, int offset, RegStorage r_src, MoveType move_type) OVERRIDE;
234  LIR* OpCondRegReg(OpKind op, ConditionCode cc, RegStorage r_dest, RegStorage r_src) OVERRIDE;
235  LIR* OpRegRegImm(OpKind op, RegStorage r_dest, RegStorage r_src1, int value) OVERRIDE;
236  LIR* OpRegRegReg(OpKind op, RegStorage r_dest, RegStorage r_src1, RegStorage r_src2) OVERRIDE;
237  LIR* OpTestSuspend(LIR* target) OVERRIDE;
238  LIR* OpVldm(RegStorage r_base, int count) OVERRIDE;
239  LIR* OpVstm(RegStorage r_base, int count) OVERRIDE;
240  void OpRegCopyWide(RegStorage dest, RegStorage src) OVERRIDE;
241
242  bool InexpensiveConstantInt(int32_t value) OVERRIDE;
243  bool InexpensiveConstantFloat(int32_t value) OVERRIDE;
244  bool InexpensiveConstantLong(int64_t value) OVERRIDE;
245  bool InexpensiveConstantDouble(int64_t value) OVERRIDE;
246
247  void FlushIns(RegLocation* ArgLocs, RegLocation rl_method) OVERRIDE;
248
249  int GenDalvikArgsNoRange(CallInfo* info, int call_state, LIR** pcrLabel,
250                           NextCallInsn next_call_insn,
251                           const MethodReference& target_method,
252                           uint32_t vtable_idx,
253                           uintptr_t direct_code, uintptr_t direct_method, InvokeType type,
254                           bool skip_this) OVERRIDE;
255
256  int GenDalvikArgsRange(CallInfo* info, int call_state, LIR** pcrLabel,
257                         NextCallInsn next_call_insn,
258                         const MethodReference& target_method,
259                         uint32_t vtable_idx,
260                         uintptr_t direct_code, uintptr_t direct_method, InvokeType type,
261                         bool skip_this) OVERRIDE;
262
263  bool WideGPRsAreAliases() OVERRIDE {
264    return true;  // 64b architecture.
265  }
266  bool WideFPRsAreAliases() OVERRIDE {
267    return true;  // 64b architecture.
268  }
269
270  size_t GetInstructionOffset(LIR* lir) OVERRIDE;
271
272  LIR* InvokeTrampoline(OpKind op, RegStorage r_tgt, QuickEntrypointEnum trampoline) OVERRIDE;
273
274 private:
275  /**
276   * @brief Given register xNN (dNN), returns register wNN (sNN).
277   * @param reg #RegStorage containing a Solo64 input register (e.g. @c x1 or @c d2).
278   * @return A Solo32 with the same register number as the @p reg (e.g. @c w1 or @c s2).
279   * @see As64BitReg
280   */
281  RegStorage As32BitReg(RegStorage reg) {
282    DCHECK(!reg.IsPair());
283    if ((kFailOnSizeError || kReportSizeError) && !reg.Is64Bit()) {
284      if (kFailOnSizeError) {
285        LOG(FATAL) << "Expected 64b register";
286      } else {
287        LOG(WARNING) << "Expected 64b register";
288        return reg;
289      }
290    }
291    RegStorage ret_val = RegStorage(RegStorage::k32BitSolo,
292                                    reg.GetRawBits() & RegStorage::kRegTypeMask);
293    DCHECK_EQ(GetRegInfo(reg)->FindMatchingView(RegisterInfo::k32SoloStorageMask)
294              ->GetReg().GetReg(),
295              ret_val.GetReg());
296    return ret_val;
297  }
298
299  RegStorage Check32BitReg(RegStorage reg) {
300    if ((kFailOnSizeError || kReportSizeError) && !reg.Is32Bit()) {
301      if (kFailOnSizeError) {
302        LOG(FATAL) << "Checked for 32b register";
303      } else {
304        LOG(WARNING) << "Checked for 32b register";
305        return As32BitReg(reg);
306      }
307    }
308    return reg;
309  }
310
311  /**
312   * @brief Given register wNN (sNN), returns register xNN (dNN).
313   * @param reg #RegStorage containing a Solo32 input register (e.g. @c w1 or @c s2).
314   * @return A Solo64 with the same register number as the @p reg (e.g. @c x1 or @c d2).
315   * @see As32BitReg
316   */
317  RegStorage As64BitReg(RegStorage reg) {
318    DCHECK(!reg.IsPair());
319    if ((kFailOnSizeError || kReportSizeError) && !reg.Is32Bit()) {
320      if (kFailOnSizeError) {
321        LOG(FATAL) << "Expected 32b register";
322      } else {
323        LOG(WARNING) << "Expected 32b register";
324        return reg;
325      }
326    }
327    RegStorage ret_val = RegStorage(RegStorage::k64BitSolo,
328                                    reg.GetRawBits() & RegStorage::kRegTypeMask);
329    DCHECK_EQ(GetRegInfo(reg)->FindMatchingView(RegisterInfo::k64SoloStorageMask)
330              ->GetReg().GetReg(),
331              ret_val.GetReg());
332    return ret_val;
333  }
334
335  RegStorage Check64BitReg(RegStorage reg) {
336    if ((kFailOnSizeError || kReportSizeError) && !reg.Is64Bit()) {
337      if (kFailOnSizeError) {
338        LOG(FATAL) << "Checked for 64b register";
339      } else {
340        LOG(WARNING) << "Checked for 64b register";
341        return As64BitReg(reg);
342      }
343    }
344    return reg;
345  }
346
347  int32_t EncodeImmSingle(uint32_t bits);
348  int32_t EncodeImmDouble(uint64_t bits);
349  LIR* LoadFPConstantValue(RegStorage r_dest, int32_t value);
350  LIR* LoadFPConstantValueWide(RegStorage r_dest, int64_t value);
351  void ReplaceFixup(LIR* prev_lir, LIR* orig_lir, LIR* new_lir);
352  void InsertFixupBefore(LIR* prev_lir, LIR* orig_lir, LIR* new_lir);
353  void AssignDataOffsets();
354  RegLocation GenDivRem(RegLocation rl_dest, RegLocation rl_src1, RegLocation rl_src2,
355                        bool is_div, bool check_zero);
356  RegLocation GenDivRemLit(RegLocation rl_dest, RegLocation rl_src1, int lit, bool is_div);
357  size_t GetLoadStoreSize(LIR* lir);
358
359  bool SmallLiteralDivRem64(Instruction::Code dalvik_opcode, bool is_div, RegLocation rl_src,
360                            RegLocation rl_dest, int64_t lit);
361
362  uint32_t LinkFixupInsns(LIR* head_lir, LIR* tail_lir, CodeOffset offset);
363  int AssignInsnOffsets();
364  void AssignOffsets();
365  uint8_t* EncodeLIRs(uint8_t* write_pos, LIR* lir);
366
367  // Spill core and FP registers. Returns the SP difference: either spill size, or whole
368  // frame size.
369  int SpillRegs(RegStorage base, uint32_t core_reg_mask, uint32_t fp_reg_mask, int frame_size);
370
371  // Unspill core and FP registers.
372  void UnspillRegs(RegStorage base, uint32_t core_reg_mask, uint32_t fp_reg_mask, int frame_size);
373
374  void GenLongOp(OpKind op, RegLocation rl_dest, RegLocation rl_src1, RegLocation rl_src2);
375
376  LIR* OpRegImm64(OpKind op, RegStorage r_dest_src1, int64_t value);
377  LIR* OpRegRegImm64(OpKind op, RegStorage r_dest, RegStorage r_src1, int64_t value);
378
379  LIR* OpRegRegShift(OpKind op, RegStorage r_dest_src1, RegStorage r_src2, int shift);
380  LIR* OpRegRegRegShift(OpKind op, RegStorage r_dest, RegStorage r_src1, RegStorage r_src2,
381                        int shift);
382  int EncodeShift(int code, int amount);
383
384  LIR* OpRegRegExtend(OpKind op, RegStorage r_dest_src1, RegStorage r_src2,
385                      A64RegExtEncodings ext, uint8_t amount);
386  LIR* OpRegRegRegExtend(OpKind op, RegStorage r_dest, RegStorage r_src1, RegStorage r_src2,
387                         A64RegExtEncodings ext, uint8_t amount);
388  int EncodeExtend(int extend_type, int amount);
389  bool IsExtendEncoding(int encoded_value);
390
391  LIR* LoadBaseDispBody(RegStorage r_base, int displacement, RegStorage r_dest, OpSize size);
392  LIR* StoreBaseDispBody(RegStorage r_base, int displacement, RegStorage r_src, OpSize size);
393
394  int EncodeLogicalImmediate(bool is_wide, uint64_t value);
395  uint64_t DecodeLogicalImmediate(bool is_wide, int value);
396  ArmConditionCode ArmConditionEncoding(ConditionCode code);
397
398  // Helper used in the two GenSelect variants.
399  void GenSelect(int32_t left, int32_t right, ConditionCode code, RegStorage rs_dest,
400                 int result_reg_class);
401
402  InToRegStorageMapping in_to_reg_storage_mapping_;
403  static const ArmEncodingMap EncodingMap[kA64Last];
404};
405
406}  // namespace art
407
408#endif  // ART_COMPILER_DEX_QUICK_ARM64_CODEGEN_ARM64_H_
409