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Side by Side Diff: src/compiler/linkage.h

Issue 526313002: [turbofan] First step of Operator refactoring. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE Created 6 years, 3 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_COMPILER_LINKAGE_H_ 5 #ifndef V8_COMPILER_LINKAGE_H_
6 #define V8_COMPILER_LINKAGE_H_ 6 #define V8_COMPILER_LINKAGE_H_
7 7
8 #include "src/base/flags.h" 8 #include "src/base/flags.h"
9 #include "src/code-stubs.h" 9 #include "src/code-stubs.h"
10 #include "src/compiler/frame.h" 10 #include "src/compiler/frame.h"
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after
47 kNoFlags = 0u, 47 kNoFlags = 0u,
48 kNeedsFrameState = 1u << 0, 48 kNeedsFrameState = 1u << 0,
49 kPatchableCallSite = 1u << 1, 49 kPatchableCallSite = 1u << 1,
50 kNeedsNopAfterCall = 1u << 2, 50 kNeedsNopAfterCall = 1u << 2,
51 kPatchableCallSiteWithNop = kPatchableCallSite | kNeedsNopAfterCall 51 kPatchableCallSiteWithNop = kPatchableCallSite | kNeedsNopAfterCall
52 }; 52 };
53 typedef base::Flags<Flag> Flags; 53 typedef base::Flags<Flag> Flags;
54 54
55 CallDescriptor(Kind kind, int8_t return_count, int16_t parameter_count, 55 CallDescriptor(Kind kind, int8_t return_count, int16_t parameter_count,
56 int16_t input_count, LinkageLocation* locations, 56 int16_t input_count, LinkageLocation* locations,
57 Operator::Property properties, RegList callee_saved_registers, 57 Operator::Properties properties,
58 Flags flags, const char* debug_name = "") 58 RegList callee_saved_registers, Flags flags,
59 const char* debug_name = "")
59 : kind_(kind), 60 : kind_(kind),
60 return_count_(return_count), 61 return_count_(return_count),
61 parameter_count_(parameter_count), 62 parameter_count_(parameter_count),
62 input_count_(input_count), 63 input_count_(input_count),
63 locations_(locations), 64 locations_(locations),
64 properties_(properties), 65 properties_(properties),
65 callee_saved_registers_(callee_saved_registers), 66 callee_saved_registers_(callee_saved_registers),
66 flags_(flags), 67 flags_(flags),
67 debug_name_(debug_name) {} 68 debug_name_(debug_name) {}
68 // Returns the kind of this call. 69 // Returns the kind of this call.
(...skipping 21 matching lines...) Expand all
90 DCHECK(index < return_count_); 91 DCHECK(index < return_count_);
91 return locations_[0 + index]; // return locations start at 0. 92 return locations_[0 + index]; // return locations start at 0.
92 } 93 }
93 94
94 LinkageLocation GetInputLocation(int index) { 95 LinkageLocation GetInputLocation(int index) {
95 DCHECK(index < input_count_ + 1); // input_count + 1 is the context. 96 DCHECK(index < input_count_ + 1); // input_count + 1 is the context.
96 return locations_[return_count_ + index]; // inputs start after returns. 97 return locations_[return_count_ + index]; // inputs start after returns.
97 } 98 }
98 99
99 // Operator properties describe how this call can be optimized, if at all. 100 // Operator properties describe how this call can be optimized, if at all.
100 Operator::Property properties() const { return properties_; } 101 Operator::Properties properties() const { return properties_; }
101 102
102 // Get the callee-saved registers, if any, across this call. 103 // Get the callee-saved registers, if any, across this call.
103 RegList CalleeSavedRegisters() { return callee_saved_registers_; } 104 RegList CalleeSavedRegisters() { return callee_saved_registers_; }
104 105
105 const char* debug_name() const { return debug_name_; } 106 const char* debug_name() const { return debug_name_; }
106 107
107 private: 108 private:
108 friend class Linkage; 109 friend class Linkage;
109 110
110 Kind kind_; 111 Kind kind_;
111 int8_t return_count_; 112 int8_t return_count_;
112 int16_t parameter_count_; 113 int16_t parameter_count_;
113 int16_t input_count_; 114 int16_t input_count_;
114 LinkageLocation* locations_; 115 LinkageLocation* locations_;
115 Operator::Property properties_; 116 Operator::Properties properties_;
116 RegList callee_saved_registers_; 117 RegList callee_saved_registers_;
117 Flags flags_; 118 Flags flags_;
118 const char* debug_name_; 119 const char* debug_name_;
119 }; 120 };
120 121
121 DEFINE_OPERATORS_FOR_FLAGS(CallDescriptor::Flags) 122 DEFINE_OPERATORS_FOR_FLAGS(CallDescriptor::Flags)
122 123
123 OStream& operator<<(OStream& os, const CallDescriptor& d); 124 OStream& operator<<(OStream& os, const CallDescriptor& d);
124 OStream& operator<<(OStream& os, const CallDescriptor::Kind& k); 125 OStream& operator<<(OStream& os, const CallDescriptor::Kind& k);
125 126
(...skipping 16 matching lines...) Expand all
142 explicit Linkage(CompilationInfo* info, CallDescriptor* incoming) 143 explicit Linkage(CompilationInfo* info, CallDescriptor* incoming)
143 : info_(info), incoming_(incoming) {} 144 : info_(info), incoming_(incoming) {}
144 145
145 // The call descriptor for this compilation unit describes the locations 146 // The call descriptor for this compilation unit describes the locations
146 // of incoming parameters and the outgoing return value(s). 147 // of incoming parameters and the outgoing return value(s).
147 CallDescriptor* GetIncomingDescriptor() { return incoming_; } 148 CallDescriptor* GetIncomingDescriptor() { return incoming_; }
148 CallDescriptor* GetJSCallDescriptor(int parameter_count); 149 CallDescriptor* GetJSCallDescriptor(int parameter_count);
149 static CallDescriptor* GetJSCallDescriptor(int parameter_count, Zone* zone); 150 static CallDescriptor* GetJSCallDescriptor(int parameter_count, Zone* zone);
150 CallDescriptor* GetRuntimeCallDescriptor(Runtime::FunctionId function, 151 CallDescriptor* GetRuntimeCallDescriptor(Runtime::FunctionId function,
151 int parameter_count, 152 int parameter_count,
152 Operator::Property properties); 153 Operator::Properties properties);
153 static CallDescriptor* GetRuntimeCallDescriptor(Runtime::FunctionId function, 154 static CallDescriptor* GetRuntimeCallDescriptor(
154 int parameter_count, 155 Runtime::FunctionId function, int parameter_count,
155 Operator::Property properties, 156 Operator::Properties properties, Zone* zone);
156 Zone* zone);
157 157
158 CallDescriptor* GetStubCallDescriptor( 158 CallDescriptor* GetStubCallDescriptor(
159 CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count = 0, 159 CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count = 0,
160 CallDescriptor::Flags flags = CallDescriptor::kNoFlags); 160 CallDescriptor::Flags flags = CallDescriptor::kNoFlags);
161 static CallDescriptor* GetStubCallDescriptor( 161 static CallDescriptor* GetStubCallDescriptor(
162 CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count, 162 CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count,
163 CallDescriptor::Flags flags, Zone* zone); 163 CallDescriptor::Flags flags, Zone* zone);
164 164
165 // Creates a call descriptor for simplified C calls that is appropriate 165 // Creates a call descriptor for simplified C calls that is appropriate
166 // for the host platform. This simplified calling convention only supports 166 // for the host platform. This simplified calling convention only supports
(...skipping 27 matching lines...) Expand all
194 private: 194 private:
195 CompilationInfo* info_; 195 CompilationInfo* info_;
196 CallDescriptor* incoming_; 196 CallDescriptor* incoming_;
197 }; 197 };
198 198
199 } // namespace compiler 199 } // namespace compiler
200 } // namespace internal 200 } // namespace internal
201 } // namespace v8 201 } // namespace v8
202 202
203 #endif // V8_COMPILER_LINKAGE_H_ 203 #endif // V8_COMPILER_LINKAGE_H_
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