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