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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 // 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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755 Label* miss) { | 755 Label* miss) { |
756 Handle<JSGlobalPropertyCell> cell = | 756 Handle<JSGlobalPropertyCell> cell = |
757 GlobalObject::EnsurePropertyCell(global, name); | 757 GlobalObject::EnsurePropertyCell(global, name); |
758 ASSERT(cell->value()->IsTheHole()); | 758 ASSERT(cell->value()->IsTheHole()); |
759 Handle<Oddball> the_hole = masm->isolate()->factory()->the_hole_value(); | 759 Handle<Oddball> the_hole = masm->isolate()->factory()->the_hole_value(); |
760 if (Serializer::enabled()) { | 760 if (Serializer::enabled()) { |
761 __ mov(scratch, Immediate(cell)); | 761 __ mov(scratch, Immediate(cell)); |
762 __ cmp(FieldOperand(scratch, JSGlobalPropertyCell::kValueOffset), | 762 __ cmp(FieldOperand(scratch, JSGlobalPropertyCell::kValueOffset), |
763 Immediate(the_hole)); | 763 Immediate(the_hole)); |
764 } else { | 764 } else { |
765 __ cmp(Operand::Cell(cell), Immediate(the_hole)); | 765 __ cmp(Operand::ForCell(cell), Immediate(the_hole)); |
766 } | 766 } |
767 __ j(not_equal, miss); | 767 __ j(not_equal, miss); |
768 } | 768 } |
769 | 769 |
770 | 770 |
771 // Both name_reg and receiver_reg are preserved on jumps to miss_label, | 771 // Both name_reg and receiver_reg are preserved on jumps to miss_label, |
772 // but may be destroyed if store is successful. | 772 // but may be destroyed if store is successful. |
773 void StubCompiler::GenerateStoreTransition(MacroAssembler* masm, | 773 void StubCompiler::GenerateStoreTransition(MacroAssembler* masm, |
774 Handle<JSObject> object, | 774 Handle<JSObject> object, |
775 LookupResult* lookup, | 775 LookupResult* lookup, |
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1566 | 1566 |
1567 void CallStubCompiler::GenerateLoadFunctionFromCell( | 1567 void CallStubCompiler::GenerateLoadFunctionFromCell( |
1568 Handle<Cell> cell, | 1568 Handle<Cell> cell, |
1569 Handle<JSFunction> function, | 1569 Handle<JSFunction> function, |
1570 Label* miss) { | 1570 Label* miss) { |
1571 // Get the value from the cell. | 1571 // Get the value from the cell. |
1572 if (Serializer::enabled()) { | 1572 if (Serializer::enabled()) { |
1573 __ mov(edi, Immediate(cell)); | 1573 __ mov(edi, Immediate(cell)); |
1574 __ mov(edi, FieldOperand(edi, Cell::kValueOffset)); | 1574 __ mov(edi, FieldOperand(edi, Cell::kValueOffset)); |
1575 } else { | 1575 } else { |
1576 __ mov(edi, Operand::Cell(cell)); | 1576 __ mov(edi, Operand::ForCell(cell)); |
1577 } | 1577 } |
1578 | 1578 |
1579 // Check that the cell contains the same function. | 1579 // Check that the cell contains the same function. |
1580 if (isolate()->heap()->InNewSpace(*function)) { | 1580 if (isolate()->heap()->InNewSpace(*function)) { |
1581 // We can't embed a pointer to a function in new space so we have | 1581 // We can't embed a pointer to a function in new space so we have |
1582 // to verify that the shared function info is unchanged. This has | 1582 // to verify that the shared function info is unchanged. This has |
1583 // the nice side effect that multiple closures based on the same | 1583 // the nice side effect that multiple closures based on the same |
1584 // function can all use this call IC. Before we load through the | 1584 // function can all use this call IC. Before we load through the |
1585 // function, we have to verify that it still is a function. | 1585 // function, we have to verify that it still is a function. |
1586 __ JumpIfSmi(edi, miss); | 1586 __ JumpIfSmi(edi, miss); |
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3114 Label success, miss; | 3114 Label success, miss; |
3115 | 3115 |
3116 __ CheckMap(receiver(), Handle<Map>(object->map()), &miss, DO_SMI_CHECK); | 3116 __ CheckMap(receiver(), Handle<Map>(object->map()), &miss, DO_SMI_CHECK); |
3117 HandlerFrontendHeader( | 3117 HandlerFrontendHeader( |
3118 object, receiver(), Handle<JSObject>::cast(global), name, &miss); | 3118 object, receiver(), Handle<JSObject>::cast(global), name, &miss); |
3119 // Get the value from the cell. | 3119 // Get the value from the cell. |
3120 if (Serializer::enabled()) { | 3120 if (Serializer::enabled()) { |
3121 __ mov(eax, Immediate(cell)); | 3121 __ mov(eax, Immediate(cell)); |
3122 __ mov(eax, FieldOperand(eax, JSGlobalPropertyCell::kValueOffset)); | 3122 __ mov(eax, FieldOperand(eax, JSGlobalPropertyCell::kValueOffset)); |
3123 } else { | 3123 } else { |
3124 __ mov(eax, Operand::Cell(cell)); | 3124 __ mov(eax, Operand::ForCell(cell)); |
3125 } | 3125 } |
3126 | 3126 |
3127 // Check for deleted property if property can actually be deleted. | 3127 // Check for deleted property if property can actually be deleted. |
3128 if (!is_dont_delete) { | 3128 if (!is_dont_delete) { |
3129 __ cmp(eax, factory()->the_hole_value()); | 3129 __ cmp(eax, factory()->the_hole_value()); |
3130 __ j(equal, &miss); | 3130 __ j(equal, &miss); |
3131 } else if (FLAG_debug_code) { | 3131 } else if (FLAG_debug_code) { |
3132 __ cmp(eax, factory()->the_hole_value()); | 3132 __ cmp(eax, factory()->the_hole_value()); |
3133 __ Check(not_equal, "DontDelete cells can't contain the hole"); | 3133 __ Check(not_equal, "DontDelete cells can't contain the hole"); |
3134 } | 3134 } |
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3743 TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow); | 3743 TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow); |
3744 } | 3744 } |
3745 } | 3745 } |
3746 | 3746 |
3747 | 3747 |
3748 #undef __ | 3748 #undef __ |
3749 | 3749 |
3750 } } // namespace v8::internal | 3750 } } // namespace v8::internal |
3751 | 3751 |
3752 #endif // V8_TARGET_ARCH_IA32 | 3752 #endif // V8_TARGET_ARCH_IA32 |
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