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Issue 194703008: Fix lazy deopt after tagged binary ops (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: address comment Created 6 years, 9 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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1870 public: 1870 public:
1871 HSimulate(BailoutId ast_id, 1871 HSimulate(BailoutId ast_id,
1872 int pop_count, 1872 int pop_count,
1873 Zone* zone, 1873 Zone* zone,
1874 RemovableSimulate removable) 1874 RemovableSimulate removable)
1875 : ast_id_(ast_id), 1875 : ast_id_(ast_id),
1876 pop_count_(pop_count), 1876 pop_count_(pop_count),
1877 values_(2, zone), 1877 values_(2, zone),
1878 assigned_indexes_(2, zone), 1878 assigned_indexes_(2, zone),
1879 zone_(zone), 1879 zone_(zone),
1880 removable_(removable) {} 1880 removable_(removable),
1881 done_with_replay_(false) {}
1881 ~HSimulate() {} 1882 ~HSimulate() {}
1882 1883
1883 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1884 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
1884 1885
1885 bool HasAstId() const { return !ast_id_.IsNone(); } 1886 bool HasAstId() const { return !ast_id_.IsNone(); }
1886 BailoutId ast_id() const { return ast_id_; } 1887 BailoutId ast_id() const { return ast_id_; }
1887 void set_ast_id(BailoutId id) { 1888 void set_ast_id(BailoutId id) {
1888 ASSERT(!HasAstId()); 1889 ASSERT(!HasAstId());
1889 ast_id_ = id; 1890 ast_id_ = id;
1890 } 1891 }
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1953 for (int i = 0; i < assigned_indexes_.length(); ++i) { 1954 for (int i = 0; i < assigned_indexes_.length(); ++i) {
1954 if (assigned_indexes_[i] == index) return true; 1955 if (assigned_indexes_[i] == index) return true;
1955 } 1956 }
1956 return false; 1957 return false;
1957 } 1958 }
1958 BailoutId ast_id_; 1959 BailoutId ast_id_;
1959 int pop_count_; 1960 int pop_count_;
1960 ZoneList<HValue*> values_; 1961 ZoneList<HValue*> values_;
1961 ZoneList<int> assigned_indexes_; 1962 ZoneList<int> assigned_indexes_;
1962 Zone* zone_; 1963 Zone* zone_;
1963 RemovableSimulate removable_; 1964 RemovableSimulate removable_ : 2;
1965 bool done_with_replay_ : 1;
1964 1966
1965 #ifdef DEBUG 1967 #ifdef DEBUG
1966 Handle<JSFunction> closure_; 1968 Handle<JSFunction> closure_;
1967 #endif 1969 #endif
1968 }; 1970 };
1969 1971
1970 1972
1971 class HEnvironmentMarker V8_FINAL : public HTemplateInstruction<1> { 1973 class HEnvironmentMarker V8_FINAL : public HTemplateInstruction<1> {
1972 public: 1974 public:
1973 enum Kind { BIND, LOOKUP }; 1975 enum Kind { BIND, LOOKUP };
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7517 virtual bool IsDeletable() const V8_OVERRIDE { return true; } 7519 virtual bool IsDeletable() const V8_OVERRIDE { return true; }
7518 }; 7520 };
7519 7521
7520 7522
7521 #undef DECLARE_INSTRUCTION 7523 #undef DECLARE_INSTRUCTION
7522 #undef DECLARE_CONCRETE_INSTRUCTION 7524 #undef DECLARE_CONCRETE_INSTRUCTION
7523 7525
7524 } } // namespace v8::internal 7526 } } // namespace v8::internal
7525 7527
7526 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ 7528 #endif // V8_HYDROGEN_INSTRUCTIONS_H_
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