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Issue 7068009: Pass undefined to JS builtins when called with implicit receiver. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Update sputnik test expectations. Created 9 years, 6 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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606 // Change context eagerly in case we need the global receiver. 606 // Change context eagerly in case we need the global receiver.
607 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); 607 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
608 608
609 // Do not transform the receiver for strict mode functions. 609 // Do not transform the receiver for strict mode functions.
610 __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); 610 __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
611 __ test_b(FieldOperand(ebx, SharedFunctionInfo::kStrictModeByteOffset), 611 __ test_b(FieldOperand(ebx, SharedFunctionInfo::kStrictModeByteOffset),
612 1 << SharedFunctionInfo::kStrictModeBitWithinByte); 612 1 << SharedFunctionInfo::kStrictModeBitWithinByte);
613 __ j(not_equal, &shift_arguments); 613 __ j(not_equal, &shift_arguments);
614 614
615 // Do not transform the receiver for natives (shared already in ebx). 615 // Do not transform the receiver for natives (shared already in ebx).
616 __ test_b(FieldOperand(ebx, SharedFunctionInfo::kES5NativeByteOffset), 616 __ test_b(FieldOperand(ebx, SharedFunctionInfo::kNativeByteOffset),
617 1 << SharedFunctionInfo::kES5NativeBitWithinByte); 617 1 << SharedFunctionInfo::kNativeBitWithinByte);
618 __ j(not_equal, &shift_arguments); 618 __ j(not_equal, &shift_arguments);
619 619
620 // Compute the receiver in non-strict mode. 620 // Compute the receiver in non-strict mode.
621 __ mov(ebx, Operand(esp, eax, times_4, 0)); // First argument. 621 __ mov(ebx, Operand(esp, eax, times_4, 0)); // First argument.
622 622
623 // Call ToObject on the receiver if it is not an object, or use the 623 // Call ToObject on the receiver if it is not an object, or use the
624 // global object if it is null or undefined. 624 // global object if it is null or undefined.
625 __ test(ebx, Immediate(kSmiTagMask)); 625 __ test(ebx, Immediate(kSmiTagMask));
626 __ j(zero, &convert_to_object); 626 __ j(zero, &convert_to_object);
627 __ cmp(ebx, factory->null_value()); 627 __ cmp(ebx, factory->null_value());
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770 770
771 // Do not transform the receiver for strict mode functions. 771 // Do not transform the receiver for strict mode functions.
772 __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); 772 __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
773 __ test_b(FieldOperand(ecx, SharedFunctionInfo::kStrictModeByteOffset), 773 __ test_b(FieldOperand(ecx, SharedFunctionInfo::kStrictModeByteOffset),
774 1 << SharedFunctionInfo::kStrictModeBitWithinByte); 774 1 << SharedFunctionInfo::kStrictModeBitWithinByte);
775 __ j(not_equal, &push_receiver); 775 __ j(not_equal, &push_receiver);
776 776
777 Factory* factory = masm->isolate()->factory(); 777 Factory* factory = masm->isolate()->factory();
778 778
779 // Do not transform the receiver for natives (shared already in ecx). 779 // Do not transform the receiver for natives (shared already in ecx).
780 __ test_b(FieldOperand(ecx, SharedFunctionInfo::kES5NativeByteOffset), 780 __ test_b(FieldOperand(ecx, SharedFunctionInfo::kNativeByteOffset),
781 1 << SharedFunctionInfo::kES5NativeBitWithinByte); 781 1 << SharedFunctionInfo::kNativeBitWithinByte);
782 __ j(not_equal, &push_receiver); 782 __ j(not_equal, &push_receiver);
783 783
784 // Compute the receiver in non-strict mode. 784 // Compute the receiver in non-strict mode.
785 // Call ToObject on the receiver if it is not an object, or use the 785 // Call ToObject on the receiver if it is not an object, or use the
786 // global object if it is null or undefined. 786 // global object if it is null or undefined.
787 __ test(ebx, Immediate(kSmiTagMask)); 787 __ test(ebx, Immediate(kSmiTagMask));
788 __ j(zero, &call_to_object); 788 __ j(zero, &call_to_object);
789 __ cmp(ebx, factory->null_value()); 789 __ cmp(ebx, factory->null_value());
790 __ j(equal, &use_global_receiver); 790 __ j(equal, &use_global_receiver);
791 __ cmp(ebx, factory->undefined_value()); 791 __ cmp(ebx, factory->undefined_value());
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1612 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR); 1612 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR);
1613 generator.Generate(); 1613 generator.Generate();
1614 } 1614 }
1615 1615
1616 1616
1617 #undef __ 1617 #undef __
1618 } 1618 }
1619 } // namespace v8::internal 1619 } // namespace v8::internal
1620 1620
1621 #endif // V8_TARGET_ARCH_IA32 1621 #endif // V8_TARGET_ARCH_IA32
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