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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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1121 void FullCodeGenerator::EmitLoadGlobalCheckExtensions(Variable* var, | 1121 void FullCodeGenerator::EmitLoadGlobalCheckExtensions(Variable* var, |
1122 TypeofState typeof_state, | 1122 TypeofState typeof_state, |
1123 Label* slow) { | 1123 Label* slow) { |
1124 Register current = cp; | 1124 Register current = cp; |
1125 Register next = r1; | 1125 Register next = r1; |
1126 Register temp = r2; | 1126 Register temp = r2; |
1127 | 1127 |
1128 Scope* s = scope(); | 1128 Scope* s = scope(); |
1129 while (s != NULL) { | 1129 while (s != NULL) { |
1130 if (s->num_heap_slots() > 0) { | 1130 if (s->num_heap_slots() > 0) { |
1131 if (s->calls_eval()) { | 1131 if (s->calls_non_strict_eval()) { |
1132 // Check that extension is NULL. | 1132 // Check that extension is NULL. |
1133 __ ldr(temp, ContextOperand(current, Context::EXTENSION_INDEX)); | 1133 __ ldr(temp, ContextOperand(current, Context::EXTENSION_INDEX)); |
1134 __ tst(temp, temp); | 1134 __ tst(temp, temp); |
1135 __ b(ne, slow); | 1135 __ b(ne, slow); |
1136 } | 1136 } |
1137 // Load next context in chain. | 1137 // Load next context in chain. |
1138 __ ldr(next, ContextOperand(current, Context::PREVIOUS_INDEX)); | 1138 __ ldr(next, ContextOperand(current, Context::PREVIOUS_INDEX)); |
1139 // Walk the rest of the chain without clobbering cp. | 1139 // Walk the rest of the chain without clobbering cp. |
1140 current = next; | 1140 current = next; |
1141 } | 1141 } |
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1178 | 1178 |
1179 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var, | 1179 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var, |
1180 Label* slow) { | 1180 Label* slow) { |
1181 ASSERT(var->IsContextSlot()); | 1181 ASSERT(var->IsContextSlot()); |
1182 Register context = cp; | 1182 Register context = cp; |
1183 Register next = r3; | 1183 Register next = r3; |
1184 Register temp = r4; | 1184 Register temp = r4; |
1185 | 1185 |
1186 for (Scope* s = scope(); s != var->scope(); s = s->outer_scope()) { | 1186 for (Scope* s = scope(); s != var->scope(); s = s->outer_scope()) { |
1187 if (s->num_heap_slots() > 0) { | 1187 if (s->num_heap_slots() > 0) { |
1188 if (s->calls_eval()) { | 1188 if (s->calls_non_strict_eval()) { |
1189 // Check that extension is NULL. | 1189 // Check that extension is NULL. |
1190 __ ldr(temp, ContextOperand(context, Context::EXTENSION_INDEX)); | 1190 __ ldr(temp, ContextOperand(context, Context::EXTENSION_INDEX)); |
1191 __ tst(temp, temp); | 1191 __ tst(temp, temp); |
1192 __ b(ne, slow); | 1192 __ b(ne, slow); |
1193 } | 1193 } |
1194 __ ldr(next, ContextOperand(context, Context::PREVIOUS_INDEX)); | 1194 __ ldr(next, ContextOperand(context, Context::PREVIOUS_INDEX)); |
1195 // Walk the rest of the chain without clobbering cp. | 1195 // Walk the rest of the chain without clobbering cp. |
1196 context = next; | 1196 context = next; |
1197 } | 1197 } |
1198 } | 1198 } |
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4260 *context_length = 0; | 4260 *context_length = 0; |
4261 return previous_; | 4261 return previous_; |
4262 } | 4262 } |
4263 | 4263 |
4264 | 4264 |
4265 #undef __ | 4265 #undef __ |
4266 | 4266 |
4267 } } // namespace v8::internal | 4267 } } // namespace v8::internal |
4268 | 4268 |
4269 #endif // V8_TARGET_ARCH_ARM | 4269 #endif // V8_TARGET_ARCH_ARM |
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