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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_X86_H_
18 #define ART_COMPILER_OPTIMIZING_INTRINSICS_X86_H_
19 
20 #include "base/macros.h"
21 #include "intrinsics.h"
22 
23 namespace art HIDDEN {
24 
25 class ArenaAllocator;
26 class HInvokeStaticOrDirect;
27 class HInvokeVirtual;
28 
29 namespace x86 {
30 
31 class CodeGeneratorX86;
32 class X86Assembler;
33 
34 class IntrinsicLocationsBuilderX86 final : public IntrinsicVisitor {
35  public:
36   explicit IntrinsicLocationsBuilderX86(CodeGeneratorX86* codegen);
37 
38   // Define visitor methods.
39 
40 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
41   void Visit ## Name(HInvoke* invoke) override;
42 #include "intrinsics_list.h"
43   INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
44 #undef INTRINSICS_LIST
45 #undef OPTIMIZING_INTRINSICS
46 
47   // Check whether an invoke is an intrinsic, and if so, create a location summary. Returns whether
48   // a corresponding LocationSummary with the intrinsified_ flag set was generated and attached to
49   // the invoke.
50   bool TryDispatch(HInvoke* invoke);
51 
52  private:
53   ArenaAllocator* const allocator_;
54   CodeGeneratorX86* const codegen_;
55 
56   DISALLOW_COPY_AND_ASSIGN(IntrinsicLocationsBuilderX86);
57 };
58 
59 class IntrinsicCodeGeneratorX86 final : public IntrinsicVisitor {
60  public:
IntrinsicCodeGeneratorX86(CodeGeneratorX86 * codegen)61   explicit IntrinsicCodeGeneratorX86(CodeGeneratorX86* codegen) : codegen_(codegen) {}
62 
63   // Define visitor methods.
64 
65 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
66   void Visit ## Name(HInvoke* invoke) override;
67 #include "intrinsics_list.h"
68   INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
69 #undef INTRINSICS_LIST
70 #undef OPTIMIZING_INTRINSICS
71 
72  private:
73   X86Assembler* GetAssembler();
74 
75   ArenaAllocator* GetAllocator();
76 
77   CodeGeneratorX86* const codegen_;
78 
79   DISALLOW_COPY_AND_ASSIGN(IntrinsicCodeGeneratorX86);
80 };
81 
82 }  // namespace x86
83 }  // namespace art
84 
85 #endif  // ART_COMPILER_OPTIMIZING_INTRINSICS_X86_H_
86