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Unified Diff: src/arm/codegen-arm.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/arm/codegen-arm.cc
===================================================================
--- src/arm/codegen-arm.cc (revision 5857)
+++ src/arm/codegen-arm.cc (working copy)
@@ -5816,6 +5816,15 @@
}
+void CodeGenerator::GenerateFastAsciiArrayJoin(ZoneList<Expression*>* args) {
+ ASSERT(args->length() == 2);
+ Load(args->at(0));
+ Register value = frame_->PopToRegister();
+ __ LoadRoot(value, Heap::kUndefinedValueRootIndex);
+ frame_->EmitPush(value);
+}
+
+
void CodeGenerator::VisitCallRuntime(CallRuntime* node) {
#ifdef DEBUG
int original_height = frame_->height();
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