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 "base/macros.h"
21 #include "intrinsics.h"
22 #include "intrinsics_list.h"
23 
24 namespace vixl {
25 namespace aarch64 {
26 
27 class MacroAssembler;
28 
29 }  // namespace aarch64
30 }  // namespace vixl
31 
32 namespace art HIDDEN {
33 
34 class ArenaAllocator;
35 class HInvokeStaticOrDirect;
36 class HInvokeVirtual;
37 
38 namespace arm64 {
39 
40 class CodeGeneratorARM64;
41 
42 class IntrinsicLocationsBuilderARM64 final : public IntrinsicVisitor {
43  public:
IntrinsicLocationsBuilderARM64(ArenaAllocator * allocator,CodeGeneratorARM64 * codegen)44   explicit IntrinsicLocationsBuilderARM64(ArenaAllocator* allocator, CodeGeneratorARM64* codegen)
45       : allocator_(allocator), codegen_(codegen) {}
46 
47   // Define visitor methods.
48 
49 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
50   void Visit ## Name(HInvoke* invoke) override;
51   ART_INTRINSICS_WITH_HINVOKE_LIST(OPTIMIZING_INTRINSICS)
52 #undef OPTIMIZING_INTRINSICS
53 
54   // Check whether an invoke is an intrinsic, and if so, create a location summary. Returns whether
55   // a corresponding LocationSummary with the intrinsified_ flag set was generated and attached to
56   // the invoke.
57   bool TryDispatch(HInvoke* invoke);
58 
59  private:
60   ArenaAllocator* const allocator_;
61   CodeGeneratorARM64* const codegen_;
62 
63   DISALLOW_COPY_AND_ASSIGN(IntrinsicLocationsBuilderARM64);
64 };
65 
66 class IntrinsicCodeGeneratorARM64 final : public IntrinsicVisitor {
67  public:
IntrinsicCodeGeneratorARM64(CodeGeneratorARM64 * codegen)68   explicit IntrinsicCodeGeneratorARM64(CodeGeneratorARM64* codegen) : codegen_(codegen) {}
69 
70   // Define visitor methods.
71 
72 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
73   void Visit ## Name(HInvoke* invoke) override;
74   ART_INTRINSICS_WITH_HINVOKE_LIST(OPTIMIZING_INTRINSICS)
75 #undef OPTIMIZING_INTRINSICS
76 
77  private:
78   vixl::aarch64::MacroAssembler* GetVIXLAssembler();
79 
80   ArenaAllocator* GetAllocator();
81 
82   void HandleValueOf(HInvoke* invoke,
83                      const IntrinsicVisitor::ValueOfInfo& info,
84                      DataType::Type type);
85 
86   CodeGeneratorARM64* const codegen_;
87 
88   DISALLOW_COPY_AND_ASSIGN(IntrinsicCodeGeneratorARM64);
89 };
90 
91 }  // namespace arm64
92 }  // namespace art
93 
94 #endif  // ART_COMPILER_OPTIMIZING_INTRINSICS_ARM64_H_
95