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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   IntrinsicLocationsBuilderARM(ArenaAllocator* arena,
     37                                ArmAssembler* assembler,
     38                                const ArmInstructionSetFeatures& features)
     39       : arena_(arena), assembler_(assembler), features_(features) {}
     40 
     41   // Define visitor methods.
     42 
     43 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions) \
     44   void Visit ## Name(HInvoke* invoke) OVERRIDE;
     45 #include "intrinsics_list.h"
     46 INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
     47 #undef INTRINSICS_LIST
     48 #undef OPTIMIZING_INTRINSICS
     49 
     50   // Check whether an invoke is an intrinsic, and if so, create a location summary. Returns whether
     51   // a corresponding LocationSummary with the intrinsified_ flag set was generated and attached to
     52   // the invoke.
     53   bool TryDispatch(HInvoke* invoke);
     54 
     55  private:
     56   ArenaAllocator* arena_;
     57   ArmAssembler* assembler_;
     58 
     59   const ArmInstructionSetFeatures& features_;
     60 
     61   DISALLOW_COPY_AND_ASSIGN(IntrinsicLocationsBuilderARM);
     62 };
     63 
     64 class IntrinsicCodeGeneratorARM FINAL : public IntrinsicVisitor {
     65  public:
     66   explicit IntrinsicCodeGeneratorARM(CodeGeneratorARM* codegen) : codegen_(codegen) {}
     67 
     68   // Define visitor methods.
     69 
     70 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions) \
     71   void Visit ## Name(HInvoke* invoke) OVERRIDE;
     72 #include "intrinsics_list.h"
     73 INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
     74 #undef INTRINSICS_LIST
     75 #undef OPTIMIZING_INTRINSICS
     76 
     77  private:
     78   ArmAssembler* GetAssembler();
     79 
     80   ArenaAllocator* GetAllocator();
     81 
     82   CodeGeneratorARM* codegen_;
     83 
     84   DISALLOW_COPY_AND_ASSIGN(IntrinsicCodeGeneratorARM);
     85 };
     86 
     87 }  // namespace arm
     88 }  // namespace art
     89 
     90 #endif  // ART_COMPILER_OPTIMIZING_INTRINSICS_ARM_H_
     91