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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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592 { Label convert_to_object, use_global_receiver, patch_receiver; | 592 { Label convert_to_object, use_global_receiver, patch_receiver; |
593 // Change context eagerly in case we need the global receiver. | 593 // Change context eagerly in case we need the global receiver. |
594 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); | 594 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
595 | 595 |
596 // Do not transform the receiver for strict mode functions. | 596 // Do not transform the receiver for strict mode functions. |
597 __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); | 597 __ mov(ebx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); |
598 __ test_b(FieldOperand(ebx, SharedFunctionInfo::kStrictModeByteOffset), | 598 __ test_b(FieldOperand(ebx, SharedFunctionInfo::kStrictModeByteOffset), |
599 1 << SharedFunctionInfo::kStrictModeBitWithinByte); | 599 1 << SharedFunctionInfo::kStrictModeBitWithinByte); |
600 __ j(not_equal, &shift_arguments); | 600 __ j(not_equal, &shift_arguments); |
601 | 601 |
602 // Do not transform the receiver for natives (shared already in ebx). | |
603 __ mov(ebx, FieldOperand(ebx, SharedFunctionInfo::kScriptOffset)); | |
604 __ cmp(ebx, factory->undefined_value()); | |
605 __ j(equal, &shift_arguments); | |
606 __ mov(ebx, FieldOperand(ebx, Script::kTypeOffset)); | |
607 __ SmiUntag(ebx); | |
608 __ cmp(ebx, Script::TYPE_NATIVE); | |
609 __ j(equal, &shift_arguments); | |
610 | |
611 // Compute the receiver in non-strict mode. | 602 // Compute the receiver in non-strict mode. |
612 __ mov(ebx, Operand(esp, eax, times_4, 0)); // First argument. | 603 __ mov(ebx, Operand(esp, eax, times_4, 0)); // First argument. |
613 __ test(ebx, Immediate(kSmiTagMask)); | 604 __ test(ebx, Immediate(kSmiTagMask)); |
614 __ j(zero, &convert_to_object); | 605 __ j(zero, &convert_to_object); |
615 | 606 |
616 __ cmp(ebx, factory->null_value()); | 607 __ cmp(ebx, factory->null_value()); |
617 __ j(equal, &use_global_receiver); | 608 __ j(equal, &use_global_receiver); |
618 __ cmp(ebx, factory->undefined_value()); | 609 __ cmp(ebx, factory->undefined_value()); |
619 __ j(equal, &use_global_receiver); | 610 __ j(equal, &use_global_receiver); |
620 | 611 |
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757 // Compute the receiver. | 748 // Compute the receiver. |
758 Label call_to_object, use_global_receiver, push_receiver; | 749 Label call_to_object, use_global_receiver, push_receiver; |
759 __ mov(ebx, Operand(ebp, 3 * kPointerSize)); | 750 __ mov(ebx, Operand(ebp, 3 * kPointerSize)); |
760 | 751 |
761 // Do not transform the receiver for strict mode functions. | 752 // Do not transform the receiver for strict mode functions. |
762 __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); | 753 __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); |
763 __ test_b(FieldOperand(ecx, SharedFunctionInfo::kStrictModeByteOffset), | 754 __ test_b(FieldOperand(ecx, SharedFunctionInfo::kStrictModeByteOffset), |
764 1 << SharedFunctionInfo::kStrictModeBitWithinByte); | 755 1 << SharedFunctionInfo::kStrictModeBitWithinByte); |
765 __ j(not_equal, &push_receiver); | 756 __ j(not_equal, &push_receiver); |
766 | 757 |
767 Factory* factory = masm->isolate()->factory(); | |
768 | |
769 // Do not transform the receiver for natives (shared already in ecx). | |
770 __ mov(ecx, FieldOperand(ecx, SharedFunctionInfo::kScriptOffset)); | |
771 __ cmp(ecx, factory->undefined_value()); | |
772 __ j(equal, &push_receiver); | |
773 __ mov(ecx, FieldOperand(ecx, Script::kTypeOffset)); | |
774 __ SmiUntag(ecx); | |
775 __ cmp(ecx, Script::TYPE_NATIVE); | |
776 __ j(equal, &push_receiver); | |
777 | |
778 // Compute the receiver in non-strict mode. | 758 // Compute the receiver in non-strict mode. |
779 __ test(ebx, Immediate(kSmiTagMask)); | 759 __ test(ebx, Immediate(kSmiTagMask)); |
780 __ j(zero, &call_to_object); | 760 __ j(zero, &call_to_object); |
| 761 Factory* factory = masm->isolate()->factory(); |
781 __ cmp(ebx, factory->null_value()); | 762 __ cmp(ebx, factory->null_value()); |
782 __ j(equal, &use_global_receiver); | 763 __ j(equal, &use_global_receiver); |
783 __ cmp(ebx, factory->undefined_value()); | 764 __ cmp(ebx, factory->undefined_value()); |
784 __ j(equal, &use_global_receiver); | 765 __ j(equal, &use_global_receiver); |
785 | 766 |
786 // If given receiver is already a JavaScript object then there's no | 767 // If given receiver is already a JavaScript object then there's no |
787 // reason for converting it. | 768 // reason for converting it. |
788 // We don't use IsObjectJSObjectType here because we jump on success. | 769 // We don't use IsObjectJSObjectType here because we jump on success. |
789 __ mov(ecx, FieldOperand(ebx, HeapObject::kMapOffset)); | 770 __ mov(ecx, FieldOperand(ebx, HeapObject::kMapOffset)); |
790 __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset)); | 771 __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset)); |
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1606 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR); | 1587 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR); |
1607 generator.Generate(); | 1588 generator.Generate(); |
1608 } | 1589 } |
1609 | 1590 |
1610 | 1591 |
1611 #undef __ | 1592 #undef __ |
1612 } | 1593 } |
1613 } // namespace v8::internal | 1594 } // namespace v8::internal |
1614 | 1595 |
1615 #endif // V8_TARGET_ARCH_IA32 | 1596 #endif // V8_TARGET_ARCH_IA32 |
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