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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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3898 // Check that the key is within bounds. | 3898 // Check that the key is within bounds. |
3899 __ cmp(ecx, FieldOperand(edx, JSArray::kLengthOffset)); // smis. | 3899 __ cmp(ecx, FieldOperand(edx, JSArray::kLengthOffset)); // smis. |
3900 if (grow_mode == ALLOW_JSARRAY_GROWTH) { | 3900 if (grow_mode == ALLOW_JSARRAY_GROWTH) { |
3901 __ j(above_equal, &grow); | 3901 __ j(above_equal, &grow); |
3902 } else { | 3902 } else { |
3903 __ j(above_equal, &miss_force_generic); | 3903 __ j(above_equal, &miss_force_generic); |
3904 } | 3904 } |
3905 } else { | 3905 } else { |
3906 // Check that the key is within bounds. | 3906 // Check that the key is within bounds. |
3907 __ cmp(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); // smis. | 3907 __ cmp(ecx, FieldOperand(edi, FixedArray::kLengthOffset)); // smis. |
| 3908 __ j(above_equal, &miss_force_generic); |
3908 } | 3909 } |
3909 | 3910 |
3910 __ bind(&finish_store); | 3911 __ bind(&finish_store); |
3911 __ StoreNumberToDoubleElements(eax, edi, ecx, edx, xmm0, | 3912 __ StoreNumberToDoubleElements(eax, edi, ecx, edx, xmm0, |
3912 &transition_elements_kind, true); | 3913 &transition_elements_kind, true); |
3913 __ ret(0); | 3914 __ ret(0); |
3914 | 3915 |
3915 // Handle store cache miss, replacing the ic with the generic stub. | 3916 // Handle store cache miss, replacing the ic with the generic stub. |
3916 __ bind(&miss_force_generic); | 3917 __ bind(&miss_force_generic); |
3917 Handle<Code> ic_force_generic = | 3918 Handle<Code> ic_force_generic = |
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3963 Immediate(Smi::FromInt(JSArray::kPreallocatedArrayElements))); | 3964 Immediate(Smi::FromInt(JSArray::kPreallocatedArrayElements))); |
3964 | 3965 |
3965 // Install the new backing store in the JSArray. | 3966 // Install the new backing store in the JSArray. |
3966 __ mov(FieldOperand(edx, JSObject::kElementsOffset), edi); | 3967 __ mov(FieldOperand(edx, JSObject::kElementsOffset), edi); |
3967 __ RecordWriteField(edx, JSObject::kElementsOffset, edi, ebx, | 3968 __ RecordWriteField(edx, JSObject::kElementsOffset, edi, ebx, |
3968 kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); | 3969 kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); |
3969 | 3970 |
3970 // Increment the length of the array. | 3971 // Increment the length of the array. |
3971 __ add(FieldOperand(edx, JSArray::kLengthOffset), | 3972 __ add(FieldOperand(edx, JSArray::kLengthOffset), |
3972 Immediate(Smi::FromInt(1))); | 3973 Immediate(Smi::FromInt(1))); |
| 3974 __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset)); |
3973 __ jmp(&finish_store); | 3975 __ jmp(&finish_store); |
3974 | 3976 |
3975 __ bind(&check_capacity); | 3977 __ bind(&check_capacity); |
3976 // eax: value | 3978 // eax: value |
3977 // ecx: key | 3979 // ecx: key |
3978 // edx: receiver | 3980 // edx: receiver |
3979 // edi: elements | 3981 // edi: elements |
3980 // Make sure that the backing store can hold additional elements. | 3982 // Make sure that the backing store can hold additional elements. |
3981 __ cmp(ecx, FieldOperand(edi, FixedDoubleArray::kLengthOffset)); | 3983 __ cmp(ecx, FieldOperand(edi, FixedDoubleArray::kLengthOffset)); |
3982 __ j(above_equal, &slow); | 3984 __ j(above_equal, &slow); |
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3995 __ jmp(ic_slow, RelocInfo::CODE_TARGET); | 3997 __ jmp(ic_slow, RelocInfo::CODE_TARGET); |
3996 } | 3998 } |
3997 } | 3999 } |
3998 | 4000 |
3999 | 4001 |
4000 #undef __ | 4002 #undef __ |
4001 | 4003 |
4002 } } // namespace v8::internal | 4004 } } // namespace v8::internal |
4003 | 4005 |
4004 #endif // V8_TARGET_ARCH_IA32 | 4006 #endif // V8_TARGET_ARCH_IA32 |
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