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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 // 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 #if V8_TARGET_ARCH_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/compiler.h" | 10 #include "src/compiler.h" |
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268 __ jmp(&done); | 268 __ jmp(&done); |
269 | 269 |
270 // Non-construct frame | 270 // Non-construct frame |
271 __ bind(&non_construct_frame); | 271 __ bind(&non_construct_frame); |
272 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); | 272 __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); |
273 | 273 |
274 __ bind(&done); | 274 __ bind(&done); |
275 SetVar(new_target_var, rax, rbx, rdx); | 275 SetVar(new_target_var, rax, rbx, rdx); |
276 } | 276 } |
277 | 277 |
278 // Possibly allocate RestParameters | |
279 int rest_index; | |
280 Variable* rest_param = scope()->rest_parameter(&rest_index); | |
281 if (rest_param) { | |
282 Comment cmnt(masm_, "[ Allocate rest parameter array"); | |
283 | |
284 int num_parameters = info->scope()->num_parameters(); | |
285 int offset = num_parameters * kPointerSize; | |
286 | |
287 __ leap(rdx, | |
288 Operand(rbp, StandardFrameConstants::kCallerSPOffset + offset)); | |
289 __ Push(rdx); | |
290 __ Push(Smi::FromInt(num_parameters)); | |
291 __ Push(Smi::FromInt(rest_index)); | |
292 __ Push(Smi::FromInt(language_mode())); | |
293 | |
294 RestParamAccessStub stub(isolate()); | |
295 __ CallStub(&stub); | |
296 | |
297 SetVar(rest_param, rax, rbx, rdx); | |
298 } | |
299 | |
300 // Possibly allocate an arguments object. | 278 // Possibly allocate an arguments object. |
301 Variable* arguments = scope()->arguments(); | 279 Variable* arguments = scope()->arguments(); |
302 if (arguments != NULL) { | 280 if (arguments != NULL) { |
303 // Arguments object must be allocated after the context object, in | 281 // Arguments object must be allocated after the context object, in |
304 // case the "arguments" or ".arguments" variables are in the context. | 282 // case the "arguments" or ".arguments" variables are in the context. |
305 Comment cmnt(masm_, "[ Allocate arguments object"); | 283 Comment cmnt(masm_, "[ Allocate arguments object"); |
306 if (function_in_register) { | 284 if (function_in_register) { |
307 __ Push(rdi); | 285 __ Push(rdi); |
308 } else { | 286 } else { |
309 __ Push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); | 287 __ Push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
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5263 Assembler::target_address_at(call_target_address, | 5241 Assembler::target_address_at(call_target_address, |
5264 unoptimized_code)); | 5242 unoptimized_code)); |
5265 return OSR_AFTER_STACK_CHECK; | 5243 return OSR_AFTER_STACK_CHECK; |
5266 } | 5244 } |
5267 | 5245 |
5268 | 5246 |
5269 } // namespace internal | 5247 } // namespace internal |
5270 } // namespace v8 | 5248 } // namespace v8 |
5271 | 5249 |
5272 #endif // V8_TARGET_ARCH_X64 | 5250 #endif // V8_TARGET_ARCH_X64 |
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