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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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344 __ JumpIfSmi(object, slow_case); | 344 __ JumpIfSmi(object, slow_case); |
345 // Check that the object is some kind of JSObject. | 345 // Check that the object is some kind of JSObject. |
346 __ CmpObjectType(object, FIRST_JS_RECEIVER_TYPE, scratch1); | 346 __ CmpObjectType(object, FIRST_JS_RECEIVER_TYPE, scratch1); |
347 __ j(below, slow_case); | 347 __ j(below, slow_case); |
348 | 348 |
349 // Check that the key is a positive smi. | 349 // Check that the key is a positive smi. |
350 __ test(key, Immediate(0x80000001)); | 350 __ test(key, Immediate(0x80000001)); |
351 __ j(not_zero, slow_case); | 351 __ j(not_zero, slow_case); |
352 | 352 |
353 // Load the elements into scratch1 and check its map. | 353 // Load the elements into scratch1 and check its map. |
354 Handle<Map> arguments_map(heap->non_strict_arguments_elements_map()); | 354 Handle<Map> arguments_map(heap->sloppy_arguments_elements_map()); |
355 __ mov(scratch1, FieldOperand(object, JSObject::kElementsOffset)); | 355 __ mov(scratch1, FieldOperand(object, JSObject::kElementsOffset)); |
356 __ CheckMap(scratch1, arguments_map, slow_case, DONT_DO_SMI_CHECK); | 356 __ CheckMap(scratch1, arguments_map, slow_case, DONT_DO_SMI_CHECK); |
357 | 357 |
358 // Check if element is in the range of mapped arguments. If not, jump | 358 // Check if element is in the range of mapped arguments. If not, jump |
359 // to the unmapped lookup with the parameter map in scratch1. | 359 // to the unmapped lookup with the parameter map in scratch1. |
360 __ mov(scratch2, FieldOperand(scratch1, FixedArray::kLengthOffset)); | 360 __ mov(scratch2, FieldOperand(scratch1, FixedArray::kLengthOffset)); |
361 __ sub(scratch2, Immediate(Smi::FromInt(2))); | 361 __ sub(scratch2, Immediate(Smi::FromInt(2))); |
362 __ cmp(key, scratch2); | 362 __ cmp(key, scratch2); |
363 __ j(above_equal, unmapped_case); | 363 __ j(above_equal, unmapped_case); |
364 | 364 |
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650 ExternalReference ref = | 650 ExternalReference ref = |
651 ExternalReference(IC_Utility(kKeyedLoadPropertyWithInterceptor), | 651 ExternalReference(IC_Utility(kKeyedLoadPropertyWithInterceptor), |
652 masm->isolate()); | 652 masm->isolate()); |
653 __ TailCallExternalReference(ref, 2, 1); | 653 __ TailCallExternalReference(ref, 2, 1); |
654 | 654 |
655 __ bind(&slow); | 655 __ bind(&slow); |
656 GenerateMiss(masm); | 656 GenerateMiss(masm); |
657 } | 657 } |
658 | 658 |
659 | 659 |
660 void KeyedLoadIC::GenerateNonStrictArguments(MacroAssembler* masm) { | 660 void KeyedLoadIC::GenerateSloppyArguments(MacroAssembler* masm) { |
661 // ----------- S t a t e ------------- | 661 // ----------- S t a t e ------------- |
662 // -- ecx : key | 662 // -- ecx : key |
663 // -- edx : receiver | 663 // -- edx : receiver |
664 // -- esp[0] : return address | 664 // -- esp[0] : return address |
665 // ----------------------------------- | 665 // ----------------------------------- |
666 Label slow, notin; | 666 Label slow, notin; |
667 Factory* factory = masm->isolate()->factory(); | 667 Factory* factory = masm->isolate()->factory(); |
668 Operand mapped_location = | 668 Operand mapped_location = |
669 GenerateMappedArgumentsLookup(masm, edx, ecx, ebx, eax, ¬in, &slow); | 669 GenerateMappedArgumentsLookup(masm, edx, ecx, ebx, eax, ¬in, &slow); |
670 __ mov(eax, mapped_location); | 670 __ mov(eax, mapped_location); |
671 __ Ret(); | 671 __ Ret(); |
672 __ bind(¬in); | 672 __ bind(¬in); |
673 // The unmapped lookup expects that the parameter map is in ebx. | 673 // The unmapped lookup expects that the parameter map is in ebx. |
674 Operand unmapped_location = | 674 Operand unmapped_location = |
675 GenerateUnmappedArgumentsLookup(masm, ecx, ebx, eax, &slow); | 675 GenerateUnmappedArgumentsLookup(masm, ecx, ebx, eax, &slow); |
676 __ cmp(unmapped_location, factory->the_hole_value()); | 676 __ cmp(unmapped_location, factory->the_hole_value()); |
677 __ j(equal, &slow); | 677 __ j(equal, &slow); |
678 __ mov(eax, unmapped_location); | 678 __ mov(eax, unmapped_location); |
679 __ Ret(); | 679 __ Ret(); |
680 __ bind(&slow); | 680 __ bind(&slow); |
681 GenerateMiss(masm); | 681 GenerateMiss(masm); |
682 } | 682 } |
683 | 683 |
684 | 684 |
685 void KeyedStoreIC::GenerateNonStrictArguments(MacroAssembler* masm) { | 685 void KeyedStoreIC::GenerateSloppyArguments(MacroAssembler* masm) { |
686 // ----------- S t a t e ------------- | 686 // ----------- S t a t e ------------- |
687 // -- eax : value | 687 // -- eax : value |
688 // -- ecx : key | 688 // -- ecx : key |
689 // -- edx : receiver | 689 // -- edx : receiver |
690 // -- esp[0] : return address | 690 // -- esp[0] : return address |
691 // ----------------------------------- | 691 // ----------------------------------- |
692 Label slow, notin; | 692 Label slow, notin; |
693 Operand mapped_location = | 693 Operand mapped_location = |
694 GenerateMappedArgumentsLookup(masm, edx, ecx, ebx, edi, ¬in, &slow); | 694 GenerateMappedArgumentsLookup(masm, edx, ecx, ebx, edi, ¬in, &slow); |
695 __ mov(mapped_location, eax); | 695 __ mov(mapped_location, eax); |
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1300 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) | 1300 Condition cc = (check == ENABLE_INLINED_SMI_CHECK) |
1301 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) | 1301 ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero) |
1302 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); | 1302 : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry); |
1303 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); | 1303 *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc); |
1304 } | 1304 } |
1305 | 1305 |
1306 | 1306 |
1307 } } // namespace v8::internal | 1307 } } // namespace v8::internal |
1308 | 1308 |
1309 #endif // V8_TARGET_ARCH_IA32 | 1309 #endif // V8_TARGET_ARCH_IA32 |
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