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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_MIPS 5 #if V8_TARGET_ARCH_MIPS
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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2503 2503
2504 CallConstructStub stub(isolate()); 2504 CallConstructStub stub(isolate());
2505 CallIC(stub.GetCode()); 2505 CallIC(stub.GetCode());
2506 OperandStackDepthDecrement(arg_count + 1); 2506 OperandStackDepthDecrement(arg_count + 1);
2507 PrepareForBailoutForId(expr->ReturnId(), BailoutState::TOS_REGISTER); 2507 PrepareForBailoutForId(expr->ReturnId(), BailoutState::TOS_REGISTER);
2508 RestoreContext(); 2508 RestoreContext();
2509 context()->Plug(v0); 2509 context()->Plug(v0);
2510 } 2510 }
2511 2511
2512 2512
2513 void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
2514 SuperCallReference* super_call_ref =
2515 expr->expression()->AsSuperCallReference();
2516 DCHECK_NOT_NULL(super_call_ref);
2517
2518 // Push the super constructor target on the stack (may be null,
2519 // but the Construct builtin can deal with that properly).
2520 VisitForAccumulatorValue(super_call_ref->this_function_var());
2521 __ AssertFunction(result_register());
2522 __ lw(result_register(),
2523 FieldMemOperand(result_register(), HeapObject::kMapOffset));
2524 __ lw(result_register(),
2525 FieldMemOperand(result_register(), Map::kPrototypeOffset));
2526 PushOperand(result_register());
2527
2528 // Push the arguments ("left-to-right") on the stack.
2529 ZoneList<Expression*>* args = expr->arguments();
2530 int arg_count = args->length();
2531 for (int i = 0; i < arg_count; i++) {
2532 VisitForStackValue(args->at(i));
2533 }
2534
2535 // Call the construct call builtin that handles allocation and
2536 // constructor invocation.
2537 SetConstructCallPosition(expr);
2538
2539 // Load new target into a3.
2540 VisitForAccumulatorValue(super_call_ref->new_target_var());
2541 __ mov(a3, result_register());
2542
2543 // Load function and argument count into a1 and a0.
2544 __ li(a0, Operand(arg_count));
2545 __ lw(a1, MemOperand(sp, arg_count * kPointerSize));
2546
2547 __ Call(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
2548 OperandStackDepthDecrement(arg_count + 1);
2549
2550 RecordJSReturnSite(expr);
2551 RestoreContext();
2552 context()->Plug(v0);
2553 }
2554
2555
2556 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) { 2513 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) {
2557 ZoneList<Expression*>* args = expr->arguments(); 2514 ZoneList<Expression*>* args = expr->arguments();
2558 DCHECK(args->length() == 1); 2515 DCHECK(args->length() == 1);
2559 2516
2560 VisitForAccumulatorValue(args->at(0)); 2517 VisitForAccumulatorValue(args->at(0));
2561 2518
2562 Label materialize_true, materialize_false; 2519 Label materialize_true, materialize_false;
2563 Label* if_true = NULL; 2520 Label* if_true = NULL;
2564 Label* if_false = NULL; 2521 Label* if_false = NULL;
2565 Label* fall_through = NULL; 2522 Label* fall_through = NULL;
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3594 reinterpret_cast<uint32_t>( 3551 reinterpret_cast<uint32_t>(
3595 isolate->builtins()->OnStackReplacement()->entry())); 3552 isolate->builtins()->OnStackReplacement()->entry()));
3596 return ON_STACK_REPLACEMENT; 3553 return ON_STACK_REPLACEMENT;
3597 } 3554 }
3598 3555
3599 3556
3600 } // namespace internal 3557 } // namespace internal
3601 } // namespace v8 3558 } // namespace v8
3602 3559
3603 #endif // V8_TARGET_ARCH_MIPS 3560 #endif // V8_TARGET_ARCH_MIPS
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