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      1 /*
      2  * Copyright (C) 2015 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_OPTIMIZING_INTRINSICS_ARM64_H_
     18 #define ART_COMPILER_OPTIMIZING_INTRINSICS_ARM64_H_
     19 
     20 #include "intrinsics.h"
     21 
     22 namespace vixl {
     23 namespace aarch64 {
     24 
     25 class MacroAssembler;
     26 
     27 }  // namespace aarch64
     28 }  // namespace vixl
     29 
     30 namespace art {
     31 
     32 class ArenaAllocator;
     33 class HInvokeStaticOrDirect;
     34 class HInvokeVirtual;
     35 
     36 namespace arm64 {
     37 
     38 class CodeGeneratorARM64;
     39 
     40 class IntrinsicLocationsBuilderARM64 FINAL : public IntrinsicVisitor {
     41  public:
     42   explicit IntrinsicLocationsBuilderARM64(ArenaAllocator* allocator, CodeGeneratorARM64* codegen)
     43       : allocator_(allocator), codegen_(codegen) {}
     44 
     45   // Define visitor methods.
     46 
     47 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
     48   void Visit ## Name(HInvoke* invoke) OVERRIDE;
     49 #include "intrinsics_list.h"
     50   INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
     51 #undef INTRINSICS_LIST
     52 #undef OPTIMIZING_INTRINSICS
     53 
     54   // Check whether an invoke is an intrinsic, and if so, create a location summary. Returns whether
     55   // a corresponding LocationSummary with the intrinsified_ flag set was generated and attached to
     56   // the invoke.
     57   bool TryDispatch(HInvoke* invoke);
     58 
     59  private:
     60   ArenaAllocator* const allocator_;
     61   CodeGeneratorARM64* const codegen_;
     62 
     63   DISALLOW_COPY_AND_ASSIGN(IntrinsicLocationsBuilderARM64);
     64 };
     65 
     66 class IntrinsicCodeGeneratorARM64 FINAL : public IntrinsicVisitor {
     67  public:
     68   explicit IntrinsicCodeGeneratorARM64(CodeGeneratorARM64* codegen) : codegen_(codegen) {}
     69 
     70   // Define visitor methods.
     71 
     72 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
     73   void Visit ## Name(HInvoke* invoke) OVERRIDE;
     74 #include "intrinsics_list.h"
     75   INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
     76 #undef INTRINSICS_LIST
     77 #undef OPTIMIZING_INTRINSICS
     78 
     79  private:
     80   vixl::aarch64::MacroAssembler* GetVIXLAssembler();
     81 
     82   ArenaAllocator* GetAllocator();
     83 
     84   CodeGeneratorARM64* const codegen_;
     85 
     86   DISALLOW_COPY_AND_ASSIGN(IntrinsicCodeGeneratorARM64);
     87 };
     88 
     89 }  // namespace arm64
     90 }  // namespace art
     91 
     92 #endif  // ART_COMPILER_OPTIMIZING_INTRINSICS_ARM64_H_
     93