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Issue 911363002: Revert of new classes: implement new.target passing to superclass constructor. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 10 months 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 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_IA32 7 #if V8_TARGET_ARCH_IA32
8 8
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/codegen.h" 10 #include "src/codegen.h"
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512 CHECK(!FLAG_pretenuring_call_new); 512 CHECK(!FLAG_pretenuring_call_new);
513 513
514 { 514 {
515 FrameScope frame_scope(masm, StackFrame::CONSTRUCT); 515 FrameScope frame_scope(masm, StackFrame::CONSTRUCT);
516 516
517 // Preserve actual arguments count. 517 // Preserve actual arguments count.
518 __ SmiTag(eax); 518 __ SmiTag(eax);
519 __ push(eax); 519 __ push(eax);
520 __ SmiUntag(eax); 520 __ SmiUntag(eax);
521 521
522 // Push new.target.
523 __ push(edx);
524
525 // receiver is the hole. 522 // receiver is the hole.
526 __ push(Immediate(masm->isolate()->factory()->the_hole_value())); 523 __ push(Immediate(masm->isolate()->factory()->the_hole_value()));
527 524
528 // Set up pointer to last argument. 525 // Set up pointer to last argument.
529 __ lea(ebx, Operand(ebp, StandardFrameConstants::kCallerSPOffset)); 526 __ lea(ebx, Operand(ebp, StandardFrameConstants::kCallerSPOffset));
530 527
531 // Copy arguments and receiver to the expression stack. 528 // Copy arguments and receiver to the expression stack.
532 Label loop, entry; 529 Label loop, entry;
533 __ mov(ecx, eax); 530 __ mov(ecx, eax);
534 __ jmp(&entry); 531 __ jmp(&entry);
535 __ bind(&loop); 532 __ bind(&loop);
536 __ push(Operand(ebx, ecx, times_4, 0)); 533 __ push(Operand(ebx, ecx, times_4, 0));
537 __ bind(&entry); 534 __ bind(&entry);
538 __ dec(ecx); 535 __ dec(ecx);
539 __ j(greater_equal, &loop); 536 __ j(greater_equal, &loop);
540 537
541 __ inc(eax); // Pushed new.target.
542 ParameterCount actual(eax); 538 ParameterCount actual(eax);
543 __ InvokeFunction(edi, actual, CALL_FUNCTION, NullCallWrapper()); 539 __ InvokeFunction(edi, actual, CALL_FUNCTION, NullCallWrapper());
544 540
545 // Restore context from the frame. 541 // Restore context from the frame.
546 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); 542 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
547 543
548 __ mov(ebx, Operand(esp, 0)); 544 __ mov(ebx, Operand(esp, 0));
549 } 545 }
550 546
551 __ pop(ecx); // Return address. 547 __ pop(ecx); // Return address.
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1529 1525
1530 __ bind(&ok); 1526 __ bind(&ok);
1531 __ ret(0); 1527 __ ret(0);
1532 } 1528 }
1533 1529
1534 #undef __ 1530 #undef __
1535 } 1531 }
1536 } // namespace v8::internal 1532 } // namespace v8::internal
1537 1533
1538 #endif // V8_TARGET_ARCH_IA32 1534 #endif // V8_TARGET_ARCH_IA32
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