Add support for keyed-call on arrays of fast elements

src/ia32/code-stubs-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 119 matching lines @@
 void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
     Isolate* isolate,
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { edx };
   descriptor->register_param_count_ = 1;
   descriptor->register_params_ = registers;
   descriptor->deoptimization_handler_ = NULL;
 }
 
 
+void KeyedArrayCallStub::InitializeInterfaceDescriptor(
+    Isolate* isolate,
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { ecx };
+  descriptor->register_param_count_ = 1;
+  descriptor->register_params_ = registers;
+  descriptor->call_stub_ = true;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedCallIC_MissFromStubFailure);
+}
+
+
 void KeyedStoreFastElementStub::InitializeInterfaceDescriptor(
     Isolate* isolate,
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { edx, ecx, eax };
   descriptor->register_param_count_ = 3;
   descriptor->register_params_ = registers;
   descriptor->deoptimization_handler_ =
       FUNCTION_ADDR(KeyedStoreIC_MissFromStubFailure);
 }
 
@@ skipping 4200 matching lines @@
   CEntryStub::GenerateAheadOfTime(isolate);
   StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime(isolate);
   StubFailureTrampolineStub::GenerateAheadOfTime(isolate);
   // It is important that the store buffer overflow stubs are generated first.
   RecordWriteStub::GenerateFixedRegStubsAheadOfTime(isolate);
   ArrayConstructorStubBase::GenerateStubsAheadOfTime(isolate);
   CreateAllocationSiteStub::GenerateAheadOfTime(isolate);
 }
 
 
+void CodeStub::GenerateStubsRequiringBuiltinsAheadOfTime(Isolate* isolate) {
+  CallStubFailureTrampolineStub::GenerateAheadOfTime(isolate);
+}
+
+
 void CodeStub::GenerateFPStubs(Isolate* isolate) {
   if (CpuFeatures::IsSupported(SSE2)) {
     CEntryStub save_doubles(1, kSaveFPRegs);
     // Stubs might already be in the snapshot, detect that and don't regenerate,
     // which would lead to code stub initialization state being messed up.
     Code* save_doubles_code;
     if (!save_doubles.FindCodeInCache(&save_doubles_code, isolate)) {
       save_doubles_code = *(save_doubles.GetCode(isolate));
     }
     save_doubles_code->set_is_pregenerated(true);
@@ skipping 2710 matching lines @@
   masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE);
   __ pop(ecx);
   int additional_offset = function_mode_ == JS_FUNCTION_STUB_MODE
       ? kPointerSize
       : 0;
   __ lea(esp, MemOperand(esp, ebx, times_pointer_size, additional_offset));
   __ jmp(ecx);  // Return to IC Miss stub, continuation still on stack.
 }
 
 
+void CallStubFailureTrampolineStub::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));
+  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
     // is not allowed to call back to V8.
     AllowStubCallsScope allow_stub_calls(masm, true);
 
     ProfileEntryHookStub stub;
     masm->CallStub(&stub);
   }
 }
@@ skipping 352 matching lines @@
   __ bind(&fast_elements_case);
   GenerateCase(masm, FAST_ELEMENTS);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32