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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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292 { Comment cmnt(masm_, "[ Declarations"); | 292 { Comment cmnt(masm_, "[ Declarations"); |
293 if (scope()->is_function_scope() && scope()->function() != NULL) { | 293 if (scope()->is_function_scope() && scope()->function() != NULL) { |
294 VariableDeclaration* function = scope()->function(); | 294 VariableDeclaration* function = scope()->function(); |
295 DCHECK(function->proxy()->var()->mode() == CONST || | 295 DCHECK(function->proxy()->var()->mode() == CONST || |
296 function->proxy()->var()->mode() == CONST_LEGACY); | 296 function->proxy()->var()->mode() == CONST_LEGACY); |
297 DCHECK(function->proxy()->var()->location() != Variable::UNALLOCATED); | 297 DCHECK(function->proxy()->var()->location() != Variable::UNALLOCATED); |
298 VisitVariableDeclaration(function); | 298 VisitVariableDeclaration(function); |
299 } | 299 } |
300 VisitDeclarations(scope()->declarations()); | 300 VisitDeclarations(scope()->declarations()); |
301 } | 301 } |
302 } | |
303 | 302 |
304 { Comment cmnt(masm_, "[ Stack check"); | 303 { Comment cmnt(masm_, "[ Stack check"); |
305 PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS); | 304 PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS); |
306 Label ok; | 305 Label ok; |
307 DCHECK(jssp.Is(__ StackPointer())); | 306 DCHECK(jssp.Is(__ StackPointer())); |
308 __ CompareRoot(jssp, Heap::kStackLimitRootIndex); | 307 __ CompareRoot(jssp, Heap::kStackLimitRootIndex); |
309 __ B(hs, &ok); | 308 __ B(hs, &ok); |
310 PredictableCodeSizeScope predictable(masm_, | 309 PredictableCodeSizeScope predictable(masm_, |
311 Assembler::kCallSizeWithRelocation); | 310 Assembler::kCallSizeWithRelocation); |
312 __ Call(isolate()->builtins()->StackCheck(), RelocInfo::CODE_TARGET); | 311 __ Call(isolate()->builtins()->StackCheck(), RelocInfo::CODE_TARGET); |
313 __ Bind(&ok); | 312 __ Bind(&ok); |
314 } | 313 } |
315 | 314 |
316 { Comment cmnt(masm_, "[ Body"); | 315 { Comment cmnt(masm_, "[ Body"); |
317 DCHECK(loop_depth() == 0); | 316 DCHECK(loop_depth() == 0); |
318 VisitStatements(function()->body()); | 317 VisitStatements(function()->body()); |
319 DCHECK(loop_depth() == 0); | 318 DCHECK(loop_depth() == 0); |
| 319 } |
320 } | 320 } |
321 | 321 |
322 // Always emit a 'return undefined' in case control fell off the end of | 322 // Always emit a 'return undefined' in case control fell off the end of |
323 // the body. | 323 // the body. |
324 { Comment cmnt(masm_, "[ return <undefined>;"); | 324 { Comment cmnt(masm_, "[ return <undefined>;"); |
325 __ LoadRoot(x0, Heap::kUndefinedValueRootIndex); | 325 __ LoadRoot(x0, Heap::kUndefinedValueRootIndex); |
326 } | 326 } |
327 EmitReturnSequence(); | 327 EmitReturnSequence(); |
328 | 328 |
329 // Force emission of the pools, so they don't get emitted in the middle | 329 // Force emission of the pools, so they don't get emitted in the middle |
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5245 return previous_; | 5245 return previous_; |
5246 } | 5246 } |
5247 | 5247 |
5248 | 5248 |
5249 #undef __ | 5249 #undef __ |
5250 | 5250 |
5251 | 5251 |
5252 } } // namespace v8::internal | 5252 } } // namespace v8::internal |
5253 | 5253 |
5254 #endif // V8_TARGET_ARCH_ARM64 | 5254 #endif // V8_TARGET_ARCH_ARM64 |
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