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Issue 18173013: AllocationSite objects weakly linked for traversal (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed final nits Created 7 years, 5 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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265 base_object()->PrintTo(stream); 265 base_object()->PrintTo(stream);
266 stream->Add(" + %d", offset()); 266 stream->Add(" + %d", offset());
267 } 267 }
268 268
269 269
270 void LCallConstantFunction::PrintDataTo(StringStream* stream) { 270 void LCallConstantFunction::PrintDataTo(StringStream* stream) {
271 stream->Add("#%d / ", arity()); 271 stream->Add("#%d / ", arity());
272 } 272 }
273 273
274 274
275 ExternalReference LLinkObjectInList::GetReference(Isolate* isolate) {
276 switch (hydrogen()->known_list()) {
277 case HLinkObjectInList::ALLOCATION_SITE_LIST:
278 return ExternalReference::allocation_sites_list_address(isolate);
279 }
280
281 UNREACHABLE();
282 // Return a dummy value
283 return ExternalReference::isolate_address(isolate);
284 }
285
286
287 void LLinkObjectInList::PrintDataTo(StringStream* stream) {
288 object()->PrintTo(stream);
289 stream->Add(" offset %d", hydrogen()->store_field().offset());
290 }
291
292
275 void LLoadContextSlot::PrintDataTo(StringStream* stream) { 293 void LLoadContextSlot::PrintDataTo(StringStream* stream) {
276 context()->PrintTo(stream); 294 context()->PrintTo(stream);
277 stream->Add("[%d]", slot_index()); 295 stream->Add("[%d]", slot_index());
278 } 296 }
279 297
280 298
281 void LStoreContextSlot::PrintDataTo(StringStream* stream) { 299 void LStoreContextSlot::PrintDataTo(StringStream* stream) {
282 context()->PrintTo(stream); 300 context()->PrintTo(stream);
283 stream->Add("[%d] <- ", slot_index()); 301 stream->Add("[%d] <- ", slot_index());
284 value()->PrintTo(stream); 302 value()->PrintTo(stream);
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2106 2124
2107 LInstruction* LChunkBuilder::DoStoreGlobalGeneric(HStoreGlobalGeneric* instr) { 2125 LInstruction* LChunkBuilder::DoStoreGlobalGeneric(HStoreGlobalGeneric* instr) {
2108 LOperand* global_object = UseFixed(instr->global_object(), r1); 2126 LOperand* global_object = UseFixed(instr->global_object(), r1);
2109 LOperand* value = UseFixed(instr->value(), r0); 2127 LOperand* value = UseFixed(instr->value(), r0);
2110 LStoreGlobalGeneric* result = 2128 LStoreGlobalGeneric* result =
2111 new(zone()) LStoreGlobalGeneric(global_object, value); 2129 new(zone()) LStoreGlobalGeneric(global_object, value);
2112 return MarkAsCall(result, instr); 2130 return MarkAsCall(result, instr);
2113 } 2131 }
2114 2132
2115 2133
2134 LInstruction* LChunkBuilder::DoLinkObjectInList(HLinkObjectInList* instr) {
2135 LOperand* object = UseRegister(instr->value());
2136 LLinkObjectInList* result = new(zone()) LLinkObjectInList(object);
2137 return result;
2138 }
2139
2140
2116 LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) { 2141 LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) {
2117 LOperand* context = UseRegisterAtStart(instr->value()); 2142 LOperand* context = UseRegisterAtStart(instr->value());
2118 LInstruction* result = 2143 LInstruction* result =
2119 DefineAsRegister(new(zone()) LLoadContextSlot(context)); 2144 DefineAsRegister(new(zone()) LLoadContextSlot(context));
2120 return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result; 2145 return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result;
2121 } 2146 }
2122 2147
2123 2148
2124 LInstruction* LChunkBuilder::DoStoreContextSlot(HStoreContextSlot* instr) { 2149 LInstruction* LChunkBuilder::DoStoreContextSlot(HStoreContextSlot* instr) {
2125 LOperand* context; 2150 LOperand* context;
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2615 2640
2616 2641
2617 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { 2642 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
2618 LOperand* object = UseRegister(instr->object()); 2643 LOperand* object = UseRegister(instr->object());
2619 LOperand* index = UseRegister(instr->index()); 2644 LOperand* index = UseRegister(instr->index());
2620 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); 2645 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index));
2621 } 2646 }
2622 2647
2623 2648
2624 } } // namespace v8::internal 2649 } } // namespace v8::internal
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