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Issue 5122005: Add a fast case to Array.join when all the elements and the separator are fla... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 1 month ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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7210 7210
7211 Result number = allocator()->Allocate(); 7211 Result number = allocator()->Allocate();
7212 ASSERT(number.is_valid()); 7212 ASSERT(number.is_valid());
7213 __ movl(number.reg(), FieldOperand(string.reg(), String::kHashFieldOffset)); 7213 __ movl(number.reg(), FieldOperand(string.reg(), String::kHashFieldOffset));
7214 __ IndexFromHash(number.reg(), number.reg()); 7214 __ IndexFromHash(number.reg(), number.reg());
7215 string.Unuse(); 7215 string.Unuse();
7216 frame_->Push(&number); 7216 frame_->Push(&number);
7217 } 7217 }
7218 7218
7219 7219
7220 void CodeGenerator::GenerateFastAsciiArrayJoin(ZoneList<Expression*>* args) {
7221 frame_->Push(Factory::undefined_value());
7222 }
7223
7224
7220 void CodeGenerator::VisitCallRuntime(CallRuntime* node) { 7225 void CodeGenerator::VisitCallRuntime(CallRuntime* node) {
7221 if (CheckForInlineRuntimeCall(node)) { 7226 if (CheckForInlineRuntimeCall(node)) {
7222 return; 7227 return;
7223 } 7228 }
7224 7229
7225 ZoneList<Expression*>* args = node->arguments(); 7230 ZoneList<Expression*>* args = node->arguments();
7226 Comment cmnt(masm_, "[ CallRuntime"); 7231 Comment cmnt(masm_, "[ CallRuntime");
7227 Runtime::Function* function = node->function(); 7232 Runtime::Function* function = node->function();
7228 7233
7229 if (function == NULL) { 7234 if (function == NULL) {
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8867 #undef __ 8872 #undef __
8868 8873
8869 void RecordWriteStub::Generate(MacroAssembler* masm) { 8874 void RecordWriteStub::Generate(MacroAssembler* masm) {
8870 masm->RecordWriteHelper(object_, addr_, scratch_); 8875 masm->RecordWriteHelper(object_, addr_, scratch_);
8871 masm->ret(0); 8876 masm->ret(0);
8872 } 8877 }
8873 8878
8874 } } // namespace v8::internal 8879 } } // namespace v8::internal
8875 8880
8876 #endif // V8_TARGET_ARCH_X64 8881 #endif // V8_TARGET_ARCH_X64
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