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Issue 10265008: Revert r11425 because of V8 benchmark performance regression. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 7 months ago
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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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3008 share->set_construct_stub(construct_stub); 3008 share->set_construct_stub(construct_stub);
3009 share->set_instance_class_name(Object_symbol()); 3009 share->set_instance_class_name(Object_symbol());
3010 share->set_function_data(undefined_value(), SKIP_WRITE_BARRIER); 3010 share->set_function_data(undefined_value(), SKIP_WRITE_BARRIER);
3011 share->set_script(undefined_value(), SKIP_WRITE_BARRIER); 3011 share->set_script(undefined_value(), SKIP_WRITE_BARRIER);
3012 share->set_debug_info(undefined_value(), SKIP_WRITE_BARRIER); 3012 share->set_debug_info(undefined_value(), SKIP_WRITE_BARRIER);
3013 share->set_inferred_name(empty_string(), SKIP_WRITE_BARRIER); 3013 share->set_inferred_name(empty_string(), SKIP_WRITE_BARRIER);
3014 share->set_initial_map(undefined_value(), SKIP_WRITE_BARRIER); 3014 share->set_initial_map(undefined_value(), SKIP_WRITE_BARRIER);
3015 share->set_this_property_assignments(undefined_value(), SKIP_WRITE_BARRIER); 3015 share->set_this_property_assignments(undefined_value(), SKIP_WRITE_BARRIER);
3016 share->set_ast_node_count(0); 3016 share->set_ast_node_count(0);
3017 share->set_deopt_counter(FLAG_deopt_every_n_times); 3017 share->set_deopt_counter(FLAG_deopt_every_n_times);
3018 share->set_ic_age(0);
3018 3019
3019 // Set integer fields (smi or int, depending on the architecture). 3020 // Set integer fields (smi or int, depending on the architecture).
3020 share->set_length(0); 3021 share->set_length(0);
3021 share->set_formal_parameter_count(0); 3022 share->set_formal_parameter_count(0);
3022 share->set_expected_nof_properties(0); 3023 share->set_expected_nof_properties(0);
3023 share->set_num_literals(0); 3024 share->set_num_literals(0);
3024 share->set_start_position_and_type(0); 3025 share->set_start_position_and_type(0);
3025 share->set_end_position(0); 3026 share->set_end_position(0);
3026 share->set_function_token_position(0); 3027 share->set_function_token_position(0);
3027 // All compiler hints default to false or 0. 3028 // All compiler hints default to false or 0.
3028 share->set_compiler_hints(0); 3029 share->set_compiler_hints(0);
3029 share->set_this_property_assignments_count(0); 3030 share->set_this_property_assignments_count(0);
3030 share->set_opt_count(0); 3031 share->set_opt_count(0);
3031 share->set_ic_age(0);
3032 share->set_opt_reenable_tries(0);
3033 3032
3034 return share; 3033 return share;
3035 } 3034 }
3036 3035
3037 3036
3038 MaybeObject* Heap::AllocateJSMessageObject(String* type, 3037 MaybeObject* Heap::AllocateJSMessageObject(String* type,
3039 JSArray* arguments, 3038 JSArray* arguments,
3040 int start_position, 3039 int start_position,
3041 int end_position, 3040 int end_position,
3042 Object* script, 3041 Object* script,
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7139 } else { 7138 } else {
7140 p ^= 0x1d1ed & (Page::kPageSize - 1); // I died. 7139 p ^= 0x1d1ed & (Page::kPageSize - 1); // I died.
7141 } 7140 }
7142 remembered_unmapped_pages_[remembered_unmapped_pages_index_] = 7141 remembered_unmapped_pages_[remembered_unmapped_pages_index_] =
7143 reinterpret_cast<Address>(p); 7142 reinterpret_cast<Address>(p);
7144 remembered_unmapped_pages_index_++; 7143 remembered_unmapped_pages_index_++;
7145 remembered_unmapped_pages_index_ %= kRememberedUnmappedPages; 7144 remembered_unmapped_pages_index_ %= kRememberedUnmappedPages;
7146 } 7145 }
7147 7146
7148 } } // namespace v8::internal 7147 } } // namespace v8::internal
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