+void LoadIndexedStringStub::Generate(MacroAssembler* masm) {
+ // Return address is on the stack.
+ Label miss;
+
+ Register receiver = LoadDescriptor::ReceiverRegister();
+ Register index = LoadDescriptor::NameRegister();
+ Register scratch = ebx;
+ DCHECK(!scratch.is(receiver) && !scratch.is(index));
+ Register result = eax;
+ DCHECK(!result.is(scratch));
+
+ StringCharAtGenerator char_at_generator(receiver, index, scratch, result,
+ &miss, // When not a string.
+ &miss, // When not a number.
+ &miss, // When index out of range.
+ STRING_INDEX_IS_ARRAY_INDEX,
+ RECEIVER_IS_STRING);
+ char_at_generator.GenerateFast(masm);
+ __ ret(0);
+
+ StubRuntimeCallHelper call_helper;
+ char_at_generator.GenerateSlow(masm, call_helper);
+
+ __ bind(&miss);
+ PropertyAccessCompiler::TailCallBuiltin(
+ masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC));
+}
+
+