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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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161 | 161 |
162 | 162 |
163 static void InitializeArrayConstructorDescriptor( | 163 static void InitializeArrayConstructorDescriptor( |
164 Isolate* isolate, | 164 Isolate* isolate, |
165 CodeStubInterfaceDescriptor* descriptor, | 165 CodeStubInterfaceDescriptor* descriptor, |
166 int constant_stack_parameter_count) { | 166 int constant_stack_parameter_count) { |
167 // register state | 167 // register state |
168 // eax -- number of arguments | 168 // eax -- number of arguments |
169 // edi -- function | 169 // edi -- function |
170 // ebx -- type info cell with elements kind | 170 // ebx -- type info cell with elements kind |
171 static Register registers[] = { edi, ebx }; | 171 static Register registers_variable_args[] = { edi, ebx, eax }; |
172 descriptor->register_param_count_ = 2; | 172 static Register registers_no_args[] = { edi, ebx }; |
173 | 173 |
174 if (constant_stack_parameter_count != 0) { | 174 if (constant_stack_parameter_count == 0) { |
| 175 descriptor->register_param_count_ = 2; |
| 176 descriptor->register_params_ = registers_no_args; |
| 177 } else { |
175 // stack param count needs (constructor pointer, and single argument) | 178 // stack param count needs (constructor pointer, and single argument) |
| 179 descriptor->handler_arguments_mode_ = PASS_ARGUMENTS; |
176 descriptor->stack_parameter_count_ = eax; | 180 descriptor->stack_parameter_count_ = eax; |
| 181 descriptor->register_param_count_ = 3; |
| 182 descriptor->register_params_ = registers_variable_args; |
177 } | 183 } |
| 184 |
178 descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count; | 185 descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count; |
179 descriptor->register_params_ = registers; | |
180 descriptor->function_mode_ = JS_FUNCTION_STUB_MODE; | 186 descriptor->function_mode_ = JS_FUNCTION_STUB_MODE; |
181 descriptor->deoptimization_handler_ = | 187 descriptor->deoptimization_handler_ = |
182 Runtime::FunctionForId(Runtime::kArrayConstructor)->entry; | 188 Runtime::FunctionForId(Runtime::kArrayConstructor)->entry; |
183 } | 189 } |
184 | 190 |
185 | 191 |
186 static void InitializeInternalArrayConstructorDescriptor( | 192 static void InitializeInternalArrayConstructorDescriptor( |
187 Isolate* isolate, | 193 Isolate* isolate, |
188 CodeStubInterfaceDescriptor* descriptor, | 194 CodeStubInterfaceDescriptor* descriptor, |
189 int constant_stack_parameter_count) { | 195 int constant_stack_parameter_count) { |
190 // register state | 196 // register state |
191 // eax -- number of arguments | 197 // eax -- number of arguments |
192 // edi -- constructor function | 198 // edi -- constructor function |
193 static Register registers[] = { edi }; | 199 static Register registers_variable_args[] = { edi, eax }; |
194 descriptor->register_param_count_ = 1; | 200 static Register registers_no_args[] = { edi }; |
195 | 201 |
196 if (constant_stack_parameter_count != 0) { | 202 if (constant_stack_parameter_count == 0) { |
| 203 descriptor->register_param_count_ = 1; |
| 204 descriptor->register_params_ = registers_no_args; |
| 205 } else { |
197 // stack param count needs (constructor pointer, and single argument) | 206 // stack param count needs (constructor pointer, and single argument) |
| 207 descriptor->handler_arguments_mode_ = PASS_ARGUMENTS; |
198 descriptor->stack_parameter_count_ = eax; | 208 descriptor->stack_parameter_count_ = eax; |
| 209 descriptor->register_param_count_ = 2; |
| 210 descriptor->register_params_ = registers_variable_args; |
199 } | 211 } |
| 212 |
200 descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count; | 213 descriptor->hint_stack_parameter_count_ = constant_stack_parameter_count; |
201 descriptor->register_params_ = registers; | |
202 descriptor->function_mode_ = JS_FUNCTION_STUB_MODE; | 214 descriptor->function_mode_ = JS_FUNCTION_STUB_MODE; |
203 descriptor->deoptimization_handler_ = | 215 descriptor->deoptimization_handler_ = |
204 Runtime::FunctionForId(Runtime::kInternalArrayConstructor)->entry; | 216 Runtime::FunctionForId(Runtime::kInternalArrayConstructor)->entry; |
205 } | 217 } |
206 | 218 |
207 | 219 |
208 void ArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor( | 220 void ArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor( |
209 Isolate* isolate, | 221 Isolate* isolate, |
210 CodeStubInterfaceDescriptor* descriptor) { | 222 CodeStubInterfaceDescriptor* descriptor) { |
211 InitializeArrayConstructorDescriptor(isolate, descriptor, 0); | 223 InitializeArrayConstructorDescriptor(isolate, descriptor, 0); |
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6012 __ bind(&fast_elements_case); | 6024 __ bind(&fast_elements_case); |
6013 GenerateCase(masm, FAST_ELEMENTS); | 6025 GenerateCase(masm, FAST_ELEMENTS); |
6014 } | 6026 } |
6015 | 6027 |
6016 | 6028 |
6017 #undef __ | 6029 #undef __ |
6018 | 6030 |
6019 } } // namespace v8::internal | 6031 } } // namespace v8::internal |
6020 | 6032 |
6021 #endif // V8_TARGET_ARCH_IA32 | 6033 #endif // V8_TARGET_ARCH_IA32 |
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