Remove duplicated initialization of stack_parameter_count_ of hydrogen stub descriptor.

R=verwaest@chromium.org

Review URL: https://chromiumcodereview.appspot.com/16097004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14897 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/code-stubs-arm.cc

@@ -45,7 +45,6 @@ void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
   static Register registers[] = { r3, r2, r1 };
   descriptor->register_param_count_ = 3;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ =
       Runtime::FunctionForId(Runtime::kCreateArrayLiteralShallow)->entry;
 }
@@ -57,7 +56,6 @@ void FastCloneShallowObjectStub::InitializeInterfaceDescriptor(
   static Register registers[] = { r3, r2, r1, r0 };
   descriptor->register_param_count_ = 4;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ =
       Runtime::FunctionForId(Runtime::kCreateObjectLiteralShallow)->entry;
 }
@@ -80,7 +78,6 @@ void LoadFieldStub::InitializeInterfaceDescriptor(
   static Register registers[] = { r0 };
   descriptor->register_param_count_ = 1;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ = NULL;
 }
 
@@ -91,7 +88,6 @@ void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
   static Register registers[] = { r1 };
   descriptor->register_param_count_ = 1;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ = NULL;
 }
 

src/ia32/code-stubs-ia32.cc

@@ -50,7 +50,6 @@ void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
   static Register registers[] = { eax, ebx, ecx };
   descriptor->register_param_count_ = 3;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ =
       Runtime::FunctionForId(Runtime::kCreateArrayLiteralShallow)->entry;
 }
@@ -62,7 +61,6 @@ void FastCloneShallowObjectStub::InitializeInterfaceDescriptor(
   static Register registers[] = { eax, ebx, ecx, edx };
   descriptor->register_param_count_ = 4;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ =
       Runtime::FunctionForId(Runtime::kCreateObjectLiteralShallow)->entry;
 }
@@ -74,7 +72,6 @@ void KeyedLoadFastElementStub::InitializeInterfaceDescriptor(
   static Register registers[] = { edx, ecx };
   descriptor->register_param_count_ = 2;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ =
       FUNCTION_ADDR(KeyedLoadIC_MissFromStubFailure);
 }
@@ -86,7 +83,6 @@ void LoadFieldStub::InitializeInterfaceDescriptor(
   static Register registers[] = { edx };
   descriptor->register_param_count_ = 1;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ = NULL;
 }
 
@@ -97,7 +93,6 @@ void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
   static Register registers[] = { edx };
   descriptor->register_param_count_ = 1;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ = NULL;
 }
 

src/mips/code-stubs-mips.cc

@@ -46,7 +46,6 @@ void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
   static Register registers[] = { a3, a2, a1 };
   descriptor->register_param_count_ = 3;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ =
       Runtime::FunctionForId(Runtime::kCreateArrayLiteralShallow)->entry;
 }
@@ -58,7 +57,6 @@ void FastCloneShallowObjectStub::InitializeInterfaceDescriptor(
   static Register registers[] = { a3, a2, a1, a0 };
   descriptor->register_param_count_ = 4;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ =
       Runtime::FunctionForId(Runtime::kCreateObjectLiteralShallow)->entry;
 }
@@ -81,7 +79,6 @@ void LoadFieldStub::InitializeInterfaceDescriptor(
   static Register registers[] = { a0 };
   descriptor->register_param_count_ = 1;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ = NULL;
 }
 
@@ -92,7 +89,6 @@ void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
   static Register registers[] = { a1 };
   descriptor->register_param_count_ = 1;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ = NULL;
 }
 

src/x64/code-stubs-x64.cc

@@ -46,7 +46,6 @@ void FastCloneShallowArrayStub::InitializeInterfaceDescriptor(
   static Register registers[] = { rax, rbx, rcx };
   descriptor->register_param_count_ = 3;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ =
       Runtime::FunctionForId(Runtime::kCreateArrayLiteralShallow)->entry;
 }
@@ -58,7 +57,6 @@ void FastCloneShallowObjectStub::InitializeInterfaceDescriptor(
   static Register registers[] = { rax, rbx, rcx, rdx };
   descriptor->register_param_count_ = 4;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ =
       Runtime::FunctionForId(Runtime::kCreateObjectLiteralShallow)->entry;
 }
@@ -81,7 +79,6 @@ void LoadFieldStub::InitializeInterfaceDescriptor(
   static Register registers[] = { rax };
   descriptor->register_param_count_ = 1;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ = NULL;
 }
 
@@ -92,7 +89,6 @@ void KeyedLoadFieldStub::InitializeInterfaceDescriptor(
   static Register registers[] = { rdx };
   descriptor->register_param_count_ = 1;
   descriptor->register_params_ = registers;
-  descriptor->stack_parameter_count_ = NULL;
   descriptor->deoptimization_handler_ = NULL;
 }