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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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