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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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1405 int token_offset = Context::kHeaderSize + | 1405 int token_offset = Context::kHeaderSize + |
1406 Context::SECURITY_TOKEN_INDEX * kPointerSize; | 1406 Context::SECURITY_TOKEN_INDEX * kPointerSize; |
1407 mov(scratch1, FieldOperand(scratch1, token_offset)); | 1407 mov(scratch1, FieldOperand(scratch1, token_offset)); |
1408 cmp(scratch1, FieldOperand(scratch2, token_offset)); | 1408 cmp(scratch1, FieldOperand(scratch2, token_offset)); |
1409 j(not_equal, miss); | 1409 j(not_equal, miss); |
1410 | 1410 |
1411 bind(&same_contexts); | 1411 bind(&same_contexts); |
1412 } | 1412 } |
1413 | 1413 |
1414 | 1414 |
1415 // Compute the hash code from the untagged key. This must be kept in sync | 1415 // Compute the hash code from the untagged key. This must be kept in sync with |
1416 // with ComputeIntegerHash in utils.h. | 1416 // ComputeIntegerHash in utils.h and KeyedLoadGenericElementStub in |
| 1417 // code-stub-hydrogen.cc |
1417 // | 1418 // |
1418 // Note: r0 will contain hash code | 1419 // Note: r0 will contain hash code |
1419 void MacroAssembler::GetNumberHash(Register r0, Register scratch) { | 1420 void MacroAssembler::GetNumberHash(Register r0, Register scratch) { |
1420 // Xor original key with a seed. | 1421 // Xor original key with a seed. |
1421 if (Serializer::enabled()) { | 1422 if (Serializer::enabled()) { |
1422 ExternalReference roots_array_start = | 1423 ExternalReference roots_array_start = |
1423 ExternalReference::roots_array_start(isolate()); | 1424 ExternalReference::roots_array_start(isolate()); |
1424 mov(scratch, Immediate(Heap::kHashSeedRootIndex)); | 1425 mov(scratch, Immediate(Heap::kHashSeedRootIndex)); |
1425 mov(scratch, | 1426 mov(scratch, |
1426 Operand::StaticArray(scratch, times_pointer_size, roots_array_start)); | 1427 Operand::StaticArray(scratch, times_pointer_size, roots_array_start)); |
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3614 cmp(scratch1, Immediate(DICTIONARY_ELEMENTS)); | 3615 cmp(scratch1, Immediate(DICTIONARY_ELEMENTS)); |
3615 j(equal, found); | 3616 j(equal, found); |
3616 mov(current, FieldOperand(current, Map::kPrototypeOffset)); | 3617 mov(current, FieldOperand(current, Map::kPrototypeOffset)); |
3617 cmp(current, Immediate(factory->null_value())); | 3618 cmp(current, Immediate(factory->null_value())); |
3618 j(not_equal, &loop_again); | 3619 j(not_equal, &loop_again); |
3619 } | 3620 } |
3620 | 3621 |
3621 } } // namespace v8::internal | 3622 } } // namespace v8::internal |
3622 | 3623 |
3623 #endif // V8_TARGET_ARCH_IA32 | 3624 #endif // V8_TARGET_ARCH_IA32 |
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