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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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7621 Label no_info, switch_ready; | 7621 Label no_info, switch_ready; |
7622 // Get the elements kind and case on that. | 7622 // Get the elements kind and case on that. |
7623 __ cmp(ebx, Immediate(undefined_sentinel)); | 7623 __ cmp(ebx, Immediate(undefined_sentinel)); |
7624 __ j(equal, &no_info); | 7624 __ j(equal, &no_info); |
7625 __ mov(edx, FieldOperand(ebx, Cell::kValueOffset)); | 7625 __ mov(edx, FieldOperand(ebx, Cell::kValueOffset)); |
7626 | 7626 |
7627 // The type cell may have undefined in its value. | 7627 // The type cell may have undefined in its value. |
7628 __ cmp(edx, Immediate(undefined_sentinel)); | 7628 __ cmp(edx, Immediate(undefined_sentinel)); |
7629 __ j(equal, &no_info); | 7629 __ j(equal, &no_info); |
7630 | 7630 |
7631 // We should have an allocation site object | 7631 // The type cell has either an AllocationSite or a JSFunction |
7632 if (FLAG_debug_code) { | 7632 __ cmp(FieldOperand(edx, 0), Immediate(Handle<Map>( |
7633 __ cmp(FieldOperand(edx, 0), | 7633 masm->isolate()->heap()->allocation_site_map()))); |
7634 Immediate(Handle<Map>( | 7634 __ j(not_equal, &no_info); |
7635 masm->isolate()->heap()->allocation_site_map()))); | |
7636 __ Assert(equal, "Expected AllocationSite object in register edx"); | |
7637 } | |
7638 | 7635 |
7639 __ mov(edx, FieldOperand(edx, AllocationSite::kPayloadOffset)); | 7636 __ mov(edx, FieldOperand(edx, AllocationSite::kPayloadOffset)); |
7640 __ SmiUntag(edx); | 7637 __ SmiUntag(edx); |
7641 __ jmp(&switch_ready); | 7638 __ jmp(&switch_ready); |
7642 __ bind(&no_info); | 7639 __ bind(&no_info); |
7643 __ mov(edx, Immediate(GetInitialFastElementsKind())); | 7640 __ mov(edx, Immediate(GetInitialFastElementsKind())); |
7644 __ bind(&switch_ready); | 7641 __ bind(&switch_ready); |
7645 | 7642 |
7646 if (argument_count_ == ANY) { | 7643 if (argument_count_ == ANY) { |
7647 Label not_zero_case, not_one_case; | 7644 Label not_zero_case, not_one_case; |
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7754 __ bind(&fast_elements_case); | 7751 __ bind(&fast_elements_case); |
7755 GenerateCase(masm, FAST_ELEMENTS); | 7752 GenerateCase(masm, FAST_ELEMENTS); |
7756 } | 7753 } |
7757 | 7754 |
7758 | 7755 |
7759 #undef __ | 7756 #undef __ |
7760 | 7757 |
7761 } } // namespace v8::internal | 7758 } } // namespace v8::internal |
7762 | 7759 |
7763 #endif // V8_TARGET_ARCH_IA32 | 7760 #endif // V8_TARGET_ARCH_IA32 |
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