src/x64/full-codegen-x64.cc - Issue 5122005: Add a fast case to Array.join when all the elements and the separator are fla...

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Unified Diff: src/x64/full-codegen-x64.cc

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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Index: src/x64/full-codegen-x64.cc

===================================================================

--- src/x64/full-codegen-x64.cc (revision 5857)

+++ src/x64/full-codegen-x64.cc (working copy)

@@ -2795,6 +2795,11 @@

}

+void FullCodeGenerator::EmitFastAsciiArrayJoin(ZoneList<Expression*>* args) {

+ context()->Plug(Heap::kUndefinedValueRootIndex);

void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {

Handle<String> name = expr->name();

if (name->length() > 0 && name->Get(0) == '_') {

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