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