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