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Issue 7945009: Merge experimental/gc branch to the bleeding_edge. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 3 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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149 149
150 150
151 void LPointerMap::RecordPointer(LOperand* op) { 151 void LPointerMap::RecordPointer(LOperand* op) {
152 // Do not record arguments as pointers. 152 // Do not record arguments as pointers.
153 if (op->IsStackSlot() && op->index() < 0) return; 153 if (op->IsStackSlot() && op->index() < 0) return;
154 ASSERT(!op->IsDoubleRegister() && !op->IsDoubleStackSlot()); 154 ASSERT(!op->IsDoubleRegister() && !op->IsDoubleStackSlot());
155 pointer_operands_.Add(op); 155 pointer_operands_.Add(op);
156 } 156 }
157 157
158 158
159 void LPointerMap::RemovePointer(LOperand* op) {
160 // Do not record arguments as pointers.
161 if (op->IsStackSlot() && op->index() < 0) return;
162 ASSERT(!op->IsDoubleRegister() && !op->IsDoubleStackSlot());
163 for (int i = 0; i < pointer_operands_.length(); ++i) {
164 if (pointer_operands_[i]->Equals(op)) {
165 pointer_operands_.Remove(i);
166 --i;
167 }
168 }
169 }
170
171
172 void LPointerMap::RecordUntagged(LOperand* op) {
173 // Do not record arguments as pointers.
174 if (op->IsStackSlot() && op->index() < 0) return;
175 ASSERT(!op->IsDoubleRegister() && !op->IsDoubleStackSlot());
176 untagged_operands_.Add(op);
177 }
178
179
159 void LPointerMap::PrintTo(StringStream* stream) { 180 void LPointerMap::PrintTo(StringStream* stream) {
160 stream->Add("{"); 181 stream->Add("{");
161 for (int i = 0; i < pointer_operands_.length(); ++i) { 182 for (int i = 0; i < pointer_operands_.length(); ++i) {
162 if (i != 0) stream->Add(";"); 183 if (i != 0) stream->Add(";");
163 pointer_operands_[i]->PrintTo(stream); 184 pointer_operands_[i]->PrintTo(stream);
164 } 185 }
165 stream->Add("} @%d", position()); 186 stream->Add("} @%d", position());
166 } 187 }
167 188
168 189
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186 case DICTIONARY_ELEMENTS: 207 case DICTIONARY_ELEMENTS:
187 case NON_STRICT_ARGUMENTS_ELEMENTS: 208 case NON_STRICT_ARGUMENTS_ELEMENTS:
188 return kPointerSizeLog2; 209 return kPointerSizeLog2;
189 } 210 }
190 UNREACHABLE(); 211 UNREACHABLE();
191 return 0; 212 return 0;
192 } 213 }
193 214
194 215
195 } } // namespace v8::internal 216 } } // namespace v8::internal
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