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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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| 6559 __ j(equal, &normal_sequence); | 6559 __ j(equal, &normal_sequence); |
| 6560 __ movq(rcx, FieldOperand(rbx, Cell::kValueOffset)); | 6560 __ movq(rcx, FieldOperand(rbx, Cell::kValueOffset)); |
| 6561 Handle<Map> allocation_site_map( | 6561 Handle<Map> allocation_site_map( |
| 6562 masm->isolate()->heap()->allocation_site_map(), | 6562 masm->isolate()->heap()->allocation_site_map(), |
| 6563 masm->isolate()); | 6563 masm->isolate()); |
| 6564 __ Cmp(FieldOperand(rcx, 0), allocation_site_map); | 6564 __ Cmp(FieldOperand(rcx, 0), allocation_site_map); |
| 6565 __ j(not_equal, &normal_sequence); | 6565 __ j(not_equal, &normal_sequence); |
| 6566 | 6566 |
| 6567 // Save the resulting elements kind in type info | 6567 // Save the resulting elements kind in type info |
| 6568 __ Integer32ToSmi(rdx, rdx); | 6568 __ Integer32ToSmi(rdx, rdx); |
| 6569 __ movq(FieldOperand(rcx, AllocationSite::kPayloadOffset), rdx); | 6569 __ movq(FieldOperand(rcx, AllocationSite::kTransitionInfoOffset), rdx); |
| 6570 __ SmiToInteger32(rdx, rdx); | 6570 __ SmiToInteger32(rdx, rdx); |
| 6571 | 6571 |
| 6572 __ bind(&normal_sequence); | 6572 __ bind(&normal_sequence); |
| 6573 int last_index = GetSequenceIndexFromFastElementsKind( | 6573 int last_index = GetSequenceIndexFromFastElementsKind( |
| 6574 TERMINAL_FAST_ELEMENTS_KIND); | 6574 TERMINAL_FAST_ELEMENTS_KIND); |
| 6575 for (int i = 0; i <= last_index; ++i) { | 6575 for (int i = 0; i <= last_index; ++i) { |
| 6576 Label next; | 6576 Label next; |
| 6577 ElementsKind kind = GetFastElementsKindFromSequenceIndex(i); | 6577 ElementsKind kind = GetFastElementsKindFromSequenceIndex(i); |
| 6578 __ cmpl(rdx, Immediate(kind)); | 6578 __ cmpl(rdx, Immediate(kind)); |
| 6579 __ j(not_equal, &next); | 6579 __ j(not_equal, &next); |
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| 6671 | 6671 |
| 6672 // The type cell may have undefined in its value. | 6672 // The type cell may have undefined in its value. |
| 6673 __ Cmp(rdx, undefined_sentinel); | 6673 __ Cmp(rdx, undefined_sentinel); |
| 6674 __ j(equal, &no_info); | 6674 __ j(equal, &no_info); |
| 6675 | 6675 |
| 6676 // The type cell has either an AllocationSite or a JSFunction | 6676 // The type cell has either an AllocationSite or a JSFunction |
| 6677 __ Cmp(FieldOperand(rdx, 0), | 6677 __ Cmp(FieldOperand(rdx, 0), |
| 6678 Handle<Map>(masm->isolate()->heap()->allocation_site_map())); | 6678 Handle<Map>(masm->isolate()->heap()->allocation_site_map())); |
| 6679 __ j(not_equal, &no_info); | 6679 __ j(not_equal, &no_info); |
| 6680 | 6680 |
| 6681 __ movq(rdx, FieldOperand(rdx, AllocationSite::kPayloadOffset)); | 6681 __ movq(rdx, FieldOperand(rdx, AllocationSite::kTransitionInfoOffset)); |
| 6682 __ SmiToInteger32(rdx, rdx); | 6682 __ SmiToInteger32(rdx, rdx); |
| 6683 __ jmp(&switch_ready); | 6683 __ jmp(&switch_ready); |
| 6684 __ bind(&no_info); | 6684 __ bind(&no_info); |
| 6685 __ movq(rdx, Immediate(GetInitialFastElementsKind())); | 6685 __ movq(rdx, Immediate(GetInitialFastElementsKind())); |
| 6686 __ bind(&switch_ready); | 6686 __ bind(&switch_ready); |
| 6687 | 6687 |
| 6688 if (argument_count_ == ANY) { | 6688 if (argument_count_ == ANY) { |
| 6689 Label not_zero_case, not_one_case; | 6689 Label not_zero_case, not_one_case; |
| 6690 __ testq(rax, rax); | 6690 __ testq(rax, rax); |
| 6691 __ j(not_zero, ¬_zero_case); | 6691 __ j(not_zero, ¬_zero_case); |
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| 6797 __ bind(&fast_elements_case); | 6797 __ bind(&fast_elements_case); |
| 6798 GenerateCase(masm, FAST_ELEMENTS); | 6798 GenerateCase(masm, FAST_ELEMENTS); |
| 6799 } | 6799 } |
| 6800 | 6800 |
| 6801 | 6801 |
| 6802 #undef __ | 6802 #undef __ |
| 6803 | 6803 |
| 6804 } } // namespace v8::internal | 6804 } } // namespace v8::internal |
| 6805 | 6805 |
| 6806 #endif // V8_TARGET_ARCH_X64 | 6806 #endif // V8_TARGET_ARCH_X64 |
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