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Issue 12812002: HSubAllocatedObject instruction allows hydrogen code to carve up (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Updated to HInnerAllocatedObject Created 7 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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283 283
284 void LTypeofIsAndBranch::PrintDataTo(StringStream* stream) { 284 void LTypeofIsAndBranch::PrintDataTo(StringStream* stream) {
285 stream->Add("if typeof "); 285 stream->Add("if typeof ");
286 value()->PrintTo(stream); 286 value()->PrintTo(stream);
287 stream->Add(" == \"%s\" then B%d else B%d", 287 stream->Add(" == \"%s\" then B%d else B%d",
288 *hydrogen()->type_literal()->ToCString(), 288 *hydrogen()->type_literal()->ToCString(),
289 true_block_id(), false_block_id()); 289 true_block_id(), false_block_id());
290 } 290 }
291 291
292 292
293 void LInnerAllocatedObject::PrintDataTo(StringStream* stream) {
294 stream->Add(" = ");
295 base_object()->PrintTo(stream);
296 stream->Add(" + %d", offset());
297 }
298
299
293 void LCallConstantFunction::PrintDataTo(StringStream* stream) { 300 void LCallConstantFunction::PrintDataTo(StringStream* stream) {
294 stream->Add("#%d / ", arity()); 301 stream->Add("#%d / ", arity());
295 } 302 }
296 303
297 304
298 void LUnaryMathOperation::PrintDataTo(StringStream* stream) { 305 void LUnaryMathOperation::PrintDataTo(StringStream* stream) {
299 stream->Add("/%s ", hydrogen()->OpName()); 306 stream->Add("/%s ", hydrogen()->OpName());
300 value()->PrintTo(stream); 307 value()->PrintTo(stream);
301 } 308 }
302 309
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1010 } 1017 }
1011 1018
1012 1019
1013 LInstruction* LChunkBuilder::DoPushArgument(HPushArgument* instr) { 1020 LInstruction* LChunkBuilder::DoPushArgument(HPushArgument* instr) {
1014 ++argument_count_; 1021 ++argument_count_;
1015 LOperand* argument = Use(instr->argument()); 1022 LOperand* argument = Use(instr->argument());
1016 return new(zone()) LPushArgument(argument); 1023 return new(zone()) LPushArgument(argument);
1017 } 1024 }
1018 1025
1019 1026
1027 LInstruction* LChunkBuilder::DoInnerAllocatedObject(
1028 HInnerAllocatedObject* inner_object) {
1029 LOperand* base_object = UseRegisterAtStart(inner_object->base_object());
1030 LInnerAllocatedObject* result =
1031 new(zone()) LInnerAllocatedObject(base_object);
1032 return DefineAsRegister(result);
1033 }
1034
1035
1020 LInstruction* LChunkBuilder::DoThisFunction(HThisFunction* instr) { 1036 LInstruction* LChunkBuilder::DoThisFunction(HThisFunction* instr) {
1021 return instr->HasNoUses() 1037 return instr->HasNoUses()
1022 ? NULL 1038 ? NULL
1023 : DefineAsRegister(new(zone()) LThisFunction); 1039 : DefineAsRegister(new(zone()) LThisFunction);
1024 } 1040 }
1025 1041
1026 1042
1027 LInstruction* LChunkBuilder::DoContext(HContext* instr) { 1043 LInstruction* LChunkBuilder::DoContext(HContext* instr) {
1028 // If there is a non-return use, the context must be allocated in a register. 1044 // If there is a non-return use, the context must be allocated in a register.
1029 for (HUseIterator it(instr->uses()); !it.Done(); it.Advance()) { 1045 for (HUseIterator it(instr->uses()); !it.Done(); it.Advance()) {
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2513 2529
2514 2530
2515 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { 2531 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
2516 LOperand* object = UseRegister(instr->object()); 2532 LOperand* object = UseRegister(instr->object());
2517 LOperand* index = UseRegister(instr->index()); 2533 LOperand* index = UseRegister(instr->index());
2518 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); 2534 return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index));
2519 } 2535 }
2520 2536
2521 2537
2522 } } // namespace v8::internal 2538 } } // namespace v8::internal
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