Add support for keyed-call on arrays of fast elements

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 83613ccc86a041c8a360232cacee3c76eee09698..bbc7fb769316e2cccad955caf4071921a28ca17d 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -137,6 +137,18 @@ void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedArrayCallStub::InitializeInterfaceDescriptor(
+    Isolate* isolate,
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { ecx };
+  descriptor->register_param_count_ = 1;
+  descriptor->register_params_ = registers;
+  descriptor->continuation_type_ = TAIL_CALL_CONTINUATION;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedCallIC_MissFromStubFailure);
+}
+
+
 void KeyedStoreFastElementStub::InitializeInterfaceDescriptor(
     Isolate* isolate,
     CodeStubInterfaceDescriptor* descriptor) {
@@ -4357,6 +4369,11 @@ void CodeStub::GenerateStubsAheadOfTime(Isolate* isolate) {
 }
 
 
+void CodeStub::GenerateStubsRequiringBuiltinsAheadOfTime(Isolate* isolate) {
+  StubFailureTailCallTrampolineStub::GenerateAheadOfTime(isolate);
+}
+
+
 void CodeStub::GenerateFPStubs(Isolate* isolate) {
   if (CpuFeatures::IsSupported(SSE2)) {
     CEntryStub save_doubles(1, kSaveFPRegs);
@@ -7087,6 +7104,27 @@ void StubFailureTrampolineStub::Generate(MacroAssembler* masm) {
 }
 
 
+void StubFailureTailCallTrampolineStub::Generate(MacroAssembler* masm) {
+  CEntryStub ces(1, fp_registers_ ? kSaveFPRegs : kDontSaveFPRegs);
+  __ call(ces.GetCode(masm->isolate()), RelocInfo::CODE_TARGET);
+  __ mov(edi, eax);
+  int parameter_count_offset =
+      StubFailureTrampolineFrame::kCallerStackParameterCountFrameOffset;
+  __ mov(eax, MemOperand(ebp, parameter_count_offset));
+  // The parameter count above includes the receiver for the arguments passed to
+  // the deoptimization handler. Subtract the receiver for the parameter count
+  // for the call.
+  __ sub(eax, Immediate(1));
+  masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE);
+  ParameterCount argument_count(eax);
+  __ InvokeFunction(edi,
+                    argument_count,
+                    JUMP_FUNCTION,
+                    NullCallWrapper(),
+                    CALL_AS_METHOD);
+}
+
+
 void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) {
   if (masm->isolate()->function_entry_hook() != NULL) {
     // It's always safe to call the entry hook stub, as the hook itself