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Issue 2525233003: [fullcodegen] Remove deprecated support for super calls. (Closed)
Patch Set: Created 4 years ago
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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_MIPS64 5 #if V8_TARGET_ARCH_MIPS64
6 6
7 // Note on Mips implementation: 7 // Note on Mips implementation:
8 // 8 //
9 // The result_register() for mips is the 'v0' register, which is defined 9 // The result_register() for mips is the 'v0' register, which is defined
10 // by the ABI to contain function return values. However, the first 10 // by the ABI to contain function return values. However, the first
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2502 2502
2503 CallConstructStub stub(isolate()); 2503 CallConstructStub stub(isolate());
2504 CallIC(stub.GetCode()); 2504 CallIC(stub.GetCode());
2505 OperandStackDepthDecrement(arg_count + 1); 2505 OperandStackDepthDecrement(arg_count + 1);
2506 PrepareForBailoutForId(expr->ReturnId(), BailoutState::TOS_REGISTER); 2506 PrepareForBailoutForId(expr->ReturnId(), BailoutState::TOS_REGISTER);
2507 RestoreContext(); 2507 RestoreContext();
2508 context()->Plug(v0); 2508 context()->Plug(v0);
2509 } 2509 }
2510 2510
2511 2511
2512 void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
2513 SuperCallReference* super_call_ref =
2514 expr->expression()->AsSuperCallReference();
2515 DCHECK_NOT_NULL(super_call_ref);
2516
2517 // Push the super constructor target on the stack (may be null,
2518 // but the Construct builtin can deal with that properly).
2519 VisitForAccumulatorValue(super_call_ref->this_function_var());
2520 __ AssertFunction(result_register());
2521 __ ld(result_register(),
2522 FieldMemOperand(result_register(), HeapObject::kMapOffset));
2523 __ ld(result_register(),
2524 FieldMemOperand(result_register(), Map::kPrototypeOffset));
2525 PushOperand(result_register());
2526
2527 // Push the arguments ("left-to-right") on the stack.
2528 ZoneList<Expression*>* args = expr->arguments();
2529 int arg_count = args->length();
2530 for (int i = 0; i < arg_count; i++) {
2531 VisitForStackValue(args->at(i));
2532 }
2533
2534 // Call the construct call builtin that handles allocation and
2535 // constructor invocation.
2536 SetConstructCallPosition(expr);
2537
2538 // Load new target into a3.
2539 VisitForAccumulatorValue(super_call_ref->new_target_var());
2540 __ mov(a3, result_register());
2541
2542 // Load function and argument count into a1 and a0.
2543 __ li(a0, Operand(arg_count));
2544 __ ld(a1, MemOperand(sp, arg_count * kPointerSize));
2545
2546 __ Call(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
2547 OperandStackDepthDecrement(arg_count + 1);
2548
2549 RecordJSReturnSite(expr);
2550 RestoreContext();
2551 context()->Plug(v0);
2552 }
2553
2554
2555 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) { 2512 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) {
2556 ZoneList<Expression*>* args = expr->arguments(); 2513 ZoneList<Expression*>* args = expr->arguments();
2557 DCHECK(args->length() == 1); 2514 DCHECK(args->length() == 1);
2558 2515
2559 VisitForAccumulatorValue(args->at(0)); 2516 VisitForAccumulatorValue(args->at(0));
2560 2517
2561 Label materialize_true, materialize_false; 2518 Label materialize_true, materialize_false;
2562 Label* if_true = NULL; 2519 Label* if_true = NULL;
2563 Label* if_false = NULL; 2520 Label* if_false = NULL;
2564 Label* fall_through = NULL; 2521 Label* fall_through = NULL;
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3601 reinterpret_cast<uint64_t>( 3558 reinterpret_cast<uint64_t>(
3602 isolate->builtins()->OnStackReplacement()->entry())); 3559 isolate->builtins()->OnStackReplacement()->entry()));
3603 return ON_STACK_REPLACEMENT; 3560 return ON_STACK_REPLACEMENT;
3604 } 3561 }
3605 3562
3606 3563
3607 } // namespace internal 3564 } // namespace internal
3608 } // namespace v8 3565 } // namespace v8
3609 3566
3610 #endif // V8_TARGET_ARCH_MIPS64 3567 #endif // V8_TARGET_ARCH_MIPS64
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