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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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1002 __ LoadRoot(ip, Heap::kMetaMapRootIndex); | 1002 __ LoadRoot(ip, Heap::kMetaMapRootIndex); |
1003 __ cmp(r1, ip); | 1003 __ cmp(r1, ip); |
1004 __ b(ne, &fixed_array); | 1004 __ b(ne, &fixed_array); |
1005 | 1005 |
1006 // We got a map in register r0. Get the enumeration cache from it. | 1006 // We got a map in register r0. Get the enumeration cache from it. |
1007 __ bind(&use_cache); | 1007 __ bind(&use_cache); |
1008 __ LoadInstanceDescriptors(r0, r1); | 1008 __ LoadInstanceDescriptors(r0, r1); |
1009 __ ldr(r1, FieldMemOperand(r1, DescriptorArray::kEnumerationIndexOffset)); | 1009 __ ldr(r1, FieldMemOperand(r1, DescriptorArray::kEnumerationIndexOffset)); |
1010 __ ldr(r2, FieldMemOperand(r1, DescriptorArray::kEnumCacheBridgeCacheOffset)); | 1010 __ ldr(r2, FieldMemOperand(r1, DescriptorArray::kEnumCacheBridgeCacheOffset)); |
1011 | 1011 |
1012 // Setup the four remaining stack slots. | 1012 // Set up the four remaining stack slots. |
1013 __ push(r0); // Map. | 1013 __ push(r0); // Map. |
1014 __ ldr(r1, FieldMemOperand(r2, FixedArray::kLengthOffset)); | 1014 __ ldr(r1, FieldMemOperand(r2, FixedArray::kLengthOffset)); |
1015 __ mov(r0, Operand(Smi::FromInt(0))); | 1015 __ mov(r0, Operand(Smi::FromInt(0))); |
1016 // Push enumeration cache, enumeration cache length (as smi) and zero. | 1016 // Push enumeration cache, enumeration cache length (as smi) and zero. |
1017 __ Push(r2, r1, r0); | 1017 __ Push(r2, r1, r0); |
1018 __ jmp(&loop); | 1018 __ jmp(&loop); |
1019 | 1019 |
1020 // We got a fixed array in register r0. Iterate through that. | 1020 // We got a fixed array in register r0. Iterate through that. |
1021 Label non_proxy; | 1021 Label non_proxy; |
1022 __ bind(&fixed_array); | 1022 __ bind(&fixed_array); |
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4390 *context_length = 0; | 4390 *context_length = 0; |
4391 return previous_; | 4391 return previous_; |
4392 } | 4392 } |
4393 | 4393 |
4394 | 4394 |
4395 #undef __ | 4395 #undef __ |
4396 | 4396 |
4397 } } // namespace v8::internal | 4397 } } // namespace v8::internal |
4398 | 4398 |
4399 #endif // V8_TARGET_ARCH_ARM | 4399 #endif // V8_TARGET_ARCH_ARM |
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