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