Revert "Create a RegisterSpec class inside of the IC that provides:"

This reverts commit r21939 due to a static initializer issue.

TBR=marja@chromium.org

Review URL: https://codereview.chromium.org/339663008

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21943 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/code-stubs-arm.cc

@@ -88,6 +88,26 @@ void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { r1, r0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
+void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { r1, r0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
 void RegExpConstructResultStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { r2, r1, r0 };
@@ -98,6 +118,16 @@ void RegExpConstructResultStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadGenericElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { r1, r0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
+}
+
+
 void LoadFieldStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { r0 };

src/arm/ic-arm.cc

@@ -545,17 +545,6 @@ void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
 }
 
 
-// IC register specifications
-Register LoadIC::kReceiverRegister = r0;
-Register LoadIC::kNameRegister = r2;
-const Register LoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
-Register KeyedLoadIC::kReceiverRegister = r1;
-Register KeyedLoadIC::kNameRegister = r0;
-const Register KeyedLoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- lr     : return address

src/arm/stub-cache-arm.cc

@@ -1263,18 +1263,14 @@ Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<HeapType> type,
 
 Register* LoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = LoadIC::kReceiverRegister;
-  Register name = LoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, r3, r1, r4, r5 };
+  static Register registers[] = { r0, r2, r3, r1, r4, r5 };
   return registers;
 }
 
 
 Register* KeyedLoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = KeyedLoadIC::kReceiverRegister;
-  Register name = KeyedLoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, r2, r3, r4, r5 };
+  static Register registers[] = { r1, r0, r2, r3, r4, r5 };
   return registers;
 }
 

src/arm64/code-stubs-arm64.cc

@@ -101,6 +101,40 @@ void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadGenericElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { x1, x0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
+}
+
+
+void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  // x1: receiver
+  // x0: key
+  static Register registers[] = { x1, x0 };
+  descriptor->register_param_count_ = sizeof(registers) / sizeof(registers[0]);
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
+void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  // x1: receiver
+  // x0: key
+  static Register registers[] = { x1, x0 };
+  descriptor->register_param_count_ = sizeof(registers) / sizeof(registers[0]);
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
 void RegExpConstructResultStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   // x2: length

src/arm64/ic-arm64.cc

@@ -582,17 +582,6 @@ void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
 }
 
 
-// IC register specifications
-Register LoadIC::kReceiverRegister = x0;
-Register LoadIC::kNameRegister = x2;
-const Register LoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
-Register KeyedLoadIC::kReceiverRegister = x1;
-Register KeyedLoadIC::kNameRegister = x0;
-const Register KeyedLoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- lr     : return address

src/arm64/stub-cache-arm64.cc

@@ -1245,18 +1245,14 @@ Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<HeapType> type,
 
 Register* LoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = LoadIC::kReceiverRegister;
-  Register name = LoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, x3, x1, x4, x5 };
+  static Register registers[] = { x0, x2, x3, x1, x4, x5 };
   return registers;
 }
 
 
 Register* KeyedLoadStubCompiler::registers() {
-  // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = KeyedLoadIC::kReceiverRegister;
-  Register name = KeyedLoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, x2, x3, x4, x5 };
+  // receiver, name/key, scratch1, scratch2, scratch3, scratch4.
+  static Register registers[] = { x1, x0, x2, x3, x4, x5 };
   return registers;
 }
 

src/code-stubs-hydrogen.cc

@@ -539,14 +539,9 @@ Handle<Code> CreateAllocationSiteStub::GenerateCode() {
 template <>
 HValue* CodeStubGraphBuilder<KeyedLoadFastElementStub>::BuildCodeStub() {
   HInstruction* load = BuildUncheckedMonomorphicElementAccess(
-      GetParameter(KeyedLoadIC::kReceiverIndex),
-      GetParameter(KeyedLoadIC::kNameIndex),
-      NULL,
-      casted_stub()->is_js_array(),
-      casted_stub()->elements_kind(),
-      LOAD,
-      NEVER_RETURN_HOLE,
-      STANDARD_STORE);
+      GetParameter(0), GetParameter(1), NULL,
+      casted_stub()->is_js_array(), casted_stub()->elements_kind(),
+      LOAD, NEVER_RETURN_HOLE, STANDARD_STORE);
   return load;
 }
 
@@ -1376,8 +1371,8 @@ Handle<Code> FastNewContextStub::GenerateCode() {
 
 template<>
 HValue* CodeStubGraphBuilder<KeyedLoadDictionaryElementStub>::BuildCodeStub() {
-  HValue* receiver = GetParameter(KeyedLoadIC::kReceiverIndex);
-  HValue* key = GetParameter(KeyedLoadIC::kNameIndex);
+  HValue* receiver = GetParameter(0);
+  HValue* key = GetParameter(1);
 
   Add<HCheckSmi>(key);
 
@@ -1509,8 +1504,8 @@ void CodeStubGraphBuilder<
 
 
 HValue* CodeStubGraphBuilder<KeyedLoadGenericElementStub>::BuildCodeStub() {
-  HValue* receiver = GetParameter(KeyedLoadIC::kReceiverIndex);
-  HValue* key = GetParameter(KeyedLoadIC::kNameIndex);
+  HValue* receiver = GetParameter(0);
+  HValue* key = GetParameter(1);
 
   // Split into a smi/integer case and unique string case.
   HIfContinuation index_name_split_continuation(graph()->CreateBasicBlock(),

src/code-stubs.cc

@@ -512,33 +512,6 @@ void JSEntryStub::FinishCode(Handle<Code> code) {
 }
 
 
-void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  descriptor->register_param_count_ = KeyedLoadIC::kRegisterArgumentCount;
-  descriptor->register_params_ = KeyedLoadIC::registers;
-  descriptor->deoptimization_handler_ =
-      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
-}
-
-
-void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  descriptor->register_param_count_ = KeyedLoadIC::kRegisterArgumentCount;
-  descriptor->register_params_ = KeyedLoadIC::registers;
-  descriptor->deoptimization_handler_ =
-      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
-}
-
-
-void KeyedLoadGenericElementStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  descriptor->register_param_count_ = KeyedLoadIC::kRegisterArgumentCount;
-  descriptor->register_params_ = KeyedLoadIC::registers;
-  descriptor->deoptimization_handler_ =
-      Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
-}
-
-
 void KeyedLoadDictionaryElementPlatformStub::Generate(
     MacroAssembler* masm) {
   KeyedLoadStubCompiler::GenerateLoadDictionaryElement(masm);

src/code-stubs.h

@@ -275,7 +275,7 @@ struct CodeStubInterfaceDescriptor {
   // return sequence. Default value is -1, which means it is ignored.
   int hint_stack_parameter_count_;
   StubFunctionMode function_mode_;
-  const Register* register_params_;
+  Register* register_params_;
   // Specifies Representations for the stub's parameter. Points to an array of
   // Representations of the same length of the numbers of parameters to the
   // stub, or if NULL (the default value), Representation of each parameter

src/ia32/code-stubs-ia32.cc

@@ -93,6 +93,26 @@ void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { edx, ecx };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
+void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { edx, ecx };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
 void RegExpConstructResultStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { ecx, ebx, eax };
@@ -103,6 +123,16 @@ void RegExpConstructResultStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadGenericElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { edx, ecx };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
+}
+
+
 void LoadFieldStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { edx };

src/ia32/ic-ia32.cc

@@ -1025,17 +1025,6 @@ void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
 }
 
 
-// IC register specifications
-Register LoadIC::kReceiverRegister = edx;
-Register LoadIC::kNameRegister = ecx;
-const Register LoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
-Register KeyedLoadIC::kReceiverRegister = LoadIC::kReceiverRegister;
-Register KeyedLoadIC::kNameRegister = LoadIC::kNameRegister;
-const Register KeyedLoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- ecx    : key

src/ia32/stub-cache-ia32.cc

@@ -1283,18 +1283,14 @@ Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<HeapType> type,
 
 Register* LoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = LoadIC::kReceiverRegister;
-  Register name = LoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, ebx, eax, edi, no_reg };
+  static Register registers[] = { edx, ecx, ebx, eax, edi, no_reg };
   return registers;
 }
 
 
 Register* KeyedLoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = KeyedLoadIC::kReceiverRegister;
-  Register name = KeyedLoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, ebx, eax, edi, no_reg };
+  static Register registers[] = { edx, ecx, ebx, eax, edi, no_reg };
   return registers;
 }
 

src/ic.h

@@ -398,15 +398,6 @@ class LoadIC: public IC {
   class ContextualModeBits: public BitField<ContextualMode, 0, 1> {};
   STATIC_ASSERT(static_cast<int>(NOT_CONTEXTUAL) == 0);
 
-  enum RegisterInfo {
-    kReceiverIndex,
-    kNameIndex,
-    kRegisterArgumentCount
-  };
-  static Register kReceiverRegister;
-  static Register kNameRegister;
-  static const Register registers[kRegisterArgumentCount];
-
   static ExtraICState ComputeExtraICState(ContextualMode contextual_mode) {
     return ContextualModeBits::encode(contextual_mode);
   }
@@ -507,10 +498,6 @@ class KeyedLoadIC: public LoadIC {
     ASSERT(target()->is_keyed_load_stub());
   }
 
-  static const Register registers[kRegisterArgumentCount];
-  static Register kReceiverRegister;
-  static Register kNameRegister;
-
   MUST_USE_RESULT MaybeHandle<Object> Load(Handle<Object> object,
                                            Handle<Object> key);
 

src/mips/code-stubs-mips.cc

@@ -89,6 +89,26 @@ void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { a1, a0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
+void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = {a1, a0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
 void RegExpConstructResultStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { a2, a1, a0 };
@@ -99,6 +119,16 @@ void RegExpConstructResultStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadGenericElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { a1, a0 };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
+}
+
+
 void LoadFieldStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { a0 };

src/mips/ic-mips.cc

@@ -560,17 +560,6 @@ void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
 }
 
 
-// IC register specifications
-Register LoadIC::kReceiverRegister = a0;
-Register LoadIC::kNameRegister = a2;
-const Register LoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
-Register KeyedLoadIC::kReceiverRegister = a1;
-Register KeyedLoadIC::kNameRegister = a0;
-const Register KeyedLoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- ra     : return address

src/mips/stub-cache-mips.cc

@@ -1253,18 +1253,14 @@ Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<HeapType> type,
 
 Register* LoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = LoadIC::kReceiverRegister;
-  Register name = LoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, a3, a1, t0, t1 };
+  static Register registers[] = { a0, a2, a3, a1, t0, t1 };
   return registers;
 }
 
 
 Register* KeyedLoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = KeyedLoadIC::kReceiverRegister;
-  Register name = KeyedLoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, a2, a3, t0, t1 };
+  static Register registers[] = { a1, a0, a2, a3, t0, t1 };
   return registers;
 }
 

src/x64/code-stubs-x64.cc

@@ -89,6 +89,26 @@ void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { rdx, rax };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
+void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { rdx, rax };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+    FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
 void RegExpConstructResultStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { rcx, rbx, rax };
@@ -99,6 +119,16 @@ void RegExpConstructResultStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadGenericElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { rdx, rax };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
+}
+
+
 void LoadFieldStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { rax };

src/x64/ic-x64.cc

@@ -1052,17 +1052,6 @@ void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
 }
 
 
-// IC register specifications
-Register LoadIC::kReceiverRegister = rax;
-Register LoadIC::kNameRegister = rcx;
-const Register LoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
-Register KeyedLoadIC::kReceiverRegister = rdx;
-Register KeyedLoadIC::kNameRegister = rax;
-const Register KeyedLoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : key

src/x64/stub-cache-x64.cc

@@ -1222,18 +1222,14 @@ Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<HeapType> type,
 
 Register* LoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = LoadIC::kReceiverRegister;
-  Register name = LoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, rdx, rbx, rdi, r8 };
+  static Register registers[] = { rax, rcx, rdx, rbx, rdi, r8 };
   return registers;
 }
 
 
 Register* KeyedLoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = KeyedLoadIC::kReceiverRegister;
-  Register name = KeyedLoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, rbx, rcx, rdi, r8 };
+  static Register registers[] = { rdx, rax, rbx, rcx, rdi, r8 };
   return registers;
 }
 

src/x87/code-stubs-x87.cc

@@ -92,6 +92,26 @@ void CreateAllocationSiteStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { edx, ecx };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
+void KeyedLoadDictionaryElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { edx, ecx };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
+}
+
+
 void RegExpConstructResultStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { ecx, ebx, eax };
@@ -102,6 +122,16 @@ void RegExpConstructResultStub::InitializeInterfaceDescriptor(
 }
 
 
+void KeyedLoadGenericElementStub::InitializeInterfaceDescriptor(
+    CodeStubInterfaceDescriptor* descriptor) {
+  static Register registers[] = { edx, ecx };
+  descriptor->register_param_count_ = 2;
+  descriptor->register_params_ = registers;
+  descriptor->deoptimization_handler_ =
+      Runtime::FunctionForId(Runtime::kKeyedGetProperty)->entry;
+}
+
+
 void LoadFieldStub::InitializeInterfaceDescriptor(
     CodeStubInterfaceDescriptor* descriptor) {
   static Register registers[] = { edx };

src/x87/ic-x87.cc

@@ -1025,17 +1025,6 @@ void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
 }
 
 
-// IC register specifications
-Register LoadIC::kReceiverRegister = edx;
-Register LoadIC::kNameRegister = ecx;
-const Register LoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
-Register KeyedLoadIC::kReceiverRegister = LoadIC::kReceiverRegister;
-Register KeyedLoadIC::kNameRegister = LoadIC::kNameRegister;
-const Register KeyedLoadIC::registers[] = { kReceiverRegister, kNameRegister };
-
-
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- ecx    : key

src/x87/stub-cache-x87.cc

@@ -1282,18 +1282,14 @@ Handle<Code> LoadStubCompiler::CompileLoadNonexistent(Handle<HeapType> type,
 
 Register* LoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = LoadIC::kReceiverRegister;
-  Register name = LoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, ebx, eax, edi, no_reg };
+  static Register registers[] = { edx, ecx, ebx, eax, edi, no_reg };
   return registers;
 }
 
 
 Register* KeyedLoadStubCompiler::registers() {
   // receiver, name, scratch1, scratch2, scratch3, scratch4.
-  Register receiver = KeyedLoadIC::kReceiverRegister;
-  Register name = KeyedLoadIC::kNameRegister;
-  static Register registers[] = { receiver, name, ebx, eax, edi, no_reg };
+  static Register registers[] = { edx, ecx, ebx, eax, edi, no_reg };
   return registers;
 }