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1 /*
2  * Copyright (C) 2016 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_VIXL_H_
18 #define ART_COMPILER_OPTIMIZING_INTRINSICS_ARM_VIXL_H_
19 
20 #include "base/macros.h"
21 #include "intrinsics.h"
22 #include "utils/arm/assembler_arm_vixl.h"
23 
24 namespace art HIDDEN {
25 
26 namespace arm {
27 
28 class ArmVIXLAssembler;
29 class CodeGeneratorARMVIXL;
30 
31 class IntrinsicLocationsBuilderARMVIXL final : public IntrinsicVisitor {
32  public:
33   explicit IntrinsicLocationsBuilderARMVIXL(CodeGeneratorARMVIXL* codegen);
34 
35   // Define visitor methods.
36 
37 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
38   void Visit ## Name(HInvoke* invoke) override;
39 #include "intrinsics_list.h"
40   INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
41 #undef INTRINSICS_LIST
42 #undef OPTIMIZING_INTRINSICS
43 
44   // Check whether an invoke is an intrinsic, and if so, create a location summary. Returns whether
45   // a corresponding LocationSummary with the intrinsified_ flag set was generated and attached to
46   // the invoke.
47   bool TryDispatch(HInvoke* invoke);
48 
49  private:
50   ArenaAllocator* const allocator_;
51   CodeGeneratorARMVIXL* const codegen_;
52   ArmVIXLAssembler* const assembler_;
53   const ArmInstructionSetFeatures& features_;
54 
55   DISALLOW_COPY_AND_ASSIGN(IntrinsicLocationsBuilderARMVIXL);
56 };
57 
58 class IntrinsicCodeGeneratorARMVIXL final : public IntrinsicVisitor {
59  public:
IntrinsicCodeGeneratorARMVIXL(CodeGeneratorARMVIXL * codegen)60   explicit IntrinsicCodeGeneratorARMVIXL(CodeGeneratorARMVIXL* codegen) : codegen_(codegen) {}
61 
62   // Define visitor methods.
63 
64 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
65   void Visit ## Name(HInvoke* invoke) override;
66 #include "intrinsics_list.h"
67   INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
68 #undef INTRINSICS_LIST
69 #undef OPTIMIZING_INTRINSICS
70 
71  private:
72   ArenaAllocator* GetAllocator();
73   ArmVIXLAssembler* GetAssembler();
74 
75   CodeGeneratorARMVIXL* const codegen_;
76 
77   DISALLOW_COPY_AND_ASSIGN(IntrinsicCodeGeneratorARMVIXL);
78 };
79 
80 }  // namespace arm
81 }  // namespace art
82 
83 #endif  // ART_COMPILER_OPTIMIZING_INTRINSICS_ARM_VIXL_H_
84