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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #include "src/code-factory.h" | 9 #include "src/code-factory.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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274 __ B(&done); | 274 __ B(&done); |
275 | 275 |
276 __ Bind(&non_construct_frame); | 276 __ Bind(&non_construct_frame); |
277 __ LoadRoot(x0, Heap::kUndefinedValueRootIndex); | 277 __ LoadRoot(x0, Heap::kUndefinedValueRootIndex); |
278 | 278 |
279 __ Bind(&done); | 279 __ Bind(&done); |
280 | 280 |
281 SetVar(new_target_var, x0, x2, x3); | 281 SetVar(new_target_var, x0, x2, x3); |
282 } | 282 } |
283 | 283 |
284 // Possibly allocate RestParameters | |
285 int rest_index; | |
286 Variable* rest_param = scope()->rest_parameter(&rest_index); | |
287 if (rest_param) { | |
288 Comment cmnt(masm_, "[ Allocate rest parameter array"); | |
289 | |
290 int num_parameters = info->scope()->num_parameters(); | |
291 int offset = num_parameters * kPointerSize; | |
292 | |
293 __ Add(x3, fp, StandardFrameConstants::kCallerSPOffset + offset); | |
294 __ Mov(x2, Smi::FromInt(num_parameters)); | |
295 __ Mov(x1, Smi::FromInt(rest_index)); | |
296 __ Mov(x0, Smi::FromInt(language_mode())); | |
297 __ Push(x3, x2, x1, x0); | |
298 | |
299 RestParamAccessStub stub(isolate()); | |
300 __ CallStub(&stub); | |
301 | |
302 SetVar(rest_param, x0, x1, x2); | |
303 } | |
304 | 284 |
305 Variable* arguments = scope()->arguments(); | 285 Variable* arguments = scope()->arguments(); |
306 if (arguments != NULL) { | 286 if (arguments != NULL) { |
307 // Function uses arguments object. | 287 // Function uses arguments object. |
308 Comment cmnt(masm_, "[ Allocate arguments object"); | 288 Comment cmnt(masm_, "[ Allocate arguments object"); |
309 if (!function_in_register_x1) { | 289 if (!function_in_register_x1) { |
310 // Load this again, if it's used by the local context below. | 290 // Load this again, if it's used by the local context below. |
311 __ Ldr(x3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 291 __ Ldr(x3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
312 } else { | 292 } else { |
313 __ Mov(x3, x1); | 293 __ Mov(x3, x1); |
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5570 } | 5550 } |
5571 | 5551 |
5572 return INTERRUPT; | 5552 return INTERRUPT; |
5573 } | 5553 } |
5574 | 5554 |
5575 | 5555 |
5576 } // namespace internal | 5556 } // namespace internal |
5577 } // namespace v8 | 5557 } // namespace v8 |
5578 | 5558 |
5579 #endif // V8_TARGET_ARCH_ARM64 | 5559 #endif // V8_TARGET_ARCH_ARM64 |
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