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