compiler/optimizing/intrinsics_arm.h

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ART_COMPILER_OPTIMIZING_INTRINSICS_ARM_H_
#define ART_COMPILER_OPTIMIZING_INTRINSICS_ARM_H_

#include "intrinsics.h"

namespace art {

class ArenaAllocator;
class ArmInstructionSetFeatures;
class HInvokeStaticOrDirect;
class HInvokeVirtual;

namespace arm {

class ArmAssembler;
class CodeGeneratorARM;

class IntrinsicLocationsBuilderARM FINAL : public IntrinsicVisitor {
 public:
  IntrinsicLocationsBuilderARM(ArenaAllocator* arena,
                               ArmAssembler* assembler,
                               const ArmInstructionSetFeatures& features)
      : arena_(arena), assembler_(assembler), features_(features) {}

  // Define visitor methods.

#define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache)   \
  void Visit ## Name(HInvoke* invoke) OVERRIDE;
#include "intrinsics_list.h"
INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
#undef INTRINSICS_LIST
#undef OPTIMIZING_INTRINSICS

  // Check whether an invoke is an intrinsic, and if so, create a location summary. Returns whether
  // a corresponding LocationSummary with the intrinsified_ flag set was generated and attached to
  // the invoke.
  bool TryDispatch(HInvoke* invoke);

 private:
  ArenaAllocator* arena_;
  ArmAssembler* assembler_;

  const ArmInstructionSetFeatures& features_;

  DISALLOW_COPY_AND_ASSIGN(IntrinsicLocationsBuilderARM);
};

class IntrinsicCodeGeneratorARM FINAL : public IntrinsicVisitor {
 public:
  explicit IntrinsicCodeGeneratorARM(CodeGeneratorARM* codegen) : codegen_(codegen) {}

  // Define visitor methods.

#define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache)   \
  void Visit ## Name(HInvoke* invoke) OVERRIDE;
#include "intrinsics_list.h"
INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
#undef INTRINSICS_LIST
#undef OPTIMIZING_INTRINSICS

 private:
  ArmAssembler* GetAssembler();

  ArenaAllocator* GetAllocator();

  CodeGeneratorARM* codegen_;

  DISALLOW_COPY_AND_ASSIGN(IntrinsicCodeGeneratorARM);
};

}  // namespace arm
}  // namespace art

#endif  // ART_COMPILER_OPTIMIZING_INTRINSICS_ARM_H_