MIPS: Get CallInterfaceDescriptor directly from CodeStub.

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index c349f6b1412656f558879a0557589c314929537f..4c50e7c62b464abe530827fe1e343ee8e3954736 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -21,83 +21,70 @@ namespace internal {
 
 
 static void InitializeArrayConstructorDescriptor(
-    Isolate* isolate, CodeStub::Major major,
-    CodeStubInterfaceDescriptor* descriptor,
+    Isolate* isolate, CodeStubDescriptor* descriptor,
     int constant_stack_parameter_count) {
   Address deopt_handler = Runtime::FunctionForId(
       Runtime::kArrayConstructor)->entry;
 
   if (constant_stack_parameter_count == 0) {
-    ArrayConstructorConstantArgCountDescriptor call_descriptor(isolate);
-    descriptor->Initialize(major, call_descriptor, deopt_handler,
-                           constant_stack_parameter_count,
+    descriptor->Initialize(deopt_handler, constant_stack_parameter_count,
                            JS_FUNCTION_STUB_MODE);
   } else {
-    ArrayConstructorDescriptor call_descriptor(isolate);
-    descriptor->Initialize(major, call_descriptor, a0, deopt_handler,
-                           constant_stack_parameter_count,
+    descriptor->Initialize(a0, deopt_handler, constant_stack_parameter_count,
                            JS_FUNCTION_STUB_MODE, PASS_ARGUMENTS);
   }
 }
 
 
 static void InitializeInternalArrayConstructorDescriptor(
-    Isolate* isolate, CodeStub::Major major,
-    CodeStubInterfaceDescriptor* descriptor,
+    Isolate* isolate, CodeStubDescriptor* descriptor,
     int constant_stack_parameter_count) {
   Address deopt_handler = Runtime::FunctionForId(
       Runtime::kInternalArrayConstructor)->entry;
 
   if (constant_stack_parameter_count == 0) {
-    InternalArrayConstructorConstantArgCountDescriptor call_descriptor(isolate);
-    descriptor->Initialize(major, call_descriptor, deopt_handler,
-                           constant_stack_parameter_count,
+    descriptor->Initialize(deopt_handler, constant_stack_parameter_count,
                            JS_FUNCTION_STUB_MODE);
   } else {
-    InternalArrayConstructorDescriptor call_descriptor(isolate);
-    descriptor->Initialize(major, call_descriptor, a0, deopt_handler,
-                           constant_stack_parameter_count,
+    descriptor->Initialize(a0, deopt_handler, constant_stack_parameter_count,
                            JS_FUNCTION_STUB_MODE, PASS_ARGUMENTS);
   }
 }
 
 
-void ArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  InitializeArrayConstructorDescriptor(isolate(), MajorKey(), descriptor, 0);
+void ArrayNoArgumentConstructorStub::InitializeDescriptor(
+    CodeStubDescriptor* descriptor) {
+  InitializeArrayConstructorDescriptor(isolate(), descriptor, 0);
 }
 
 
-void ArraySingleArgumentConstructorStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  InitializeArrayConstructorDescriptor(isolate(), MajorKey(), descriptor, 1);
+void ArraySingleArgumentConstructorStub::InitializeDescriptor(
+    CodeStubDescriptor* descriptor) {
+  InitializeArrayConstructorDescriptor(isolate(), descriptor, 1);
 }
 
 
-void ArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  InitializeArrayConstructorDescriptor(isolate(), MajorKey(), descriptor, -1);
+void ArrayNArgumentsConstructorStub::InitializeDescriptor(
+    CodeStubDescriptor* descriptor) {
+  InitializeArrayConstructorDescriptor(isolate(), descriptor, -1);
 }
 
 
-void InternalArrayNoArgumentConstructorStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  InitializeInternalArrayConstructorDescriptor(isolate(), MajorKey(),
-                                               descriptor, 0);
+void InternalArrayNoArgumentConstructorStub::InitializeDescriptor(
+    CodeStubDescriptor* descriptor) {
+  InitializeInternalArrayConstructorDescriptor(isolate(), descriptor, 0);
 }
 
 
-void InternalArraySingleArgumentConstructorStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  InitializeInternalArrayConstructorDescriptor(isolate(), MajorKey(),
-                                               descriptor, 1);
+void InternalArraySingleArgumentConstructorStub::InitializeDescriptor(
+    CodeStubDescriptor* descriptor) {
+  InitializeInternalArrayConstructorDescriptor(isolate(), descriptor, 1);
 }
 
 
-void InternalArrayNArgumentsConstructorStub::InitializeInterfaceDescriptor(
-    CodeStubInterfaceDescriptor* descriptor) {
-  InitializeInternalArrayConstructorDescriptor(isolate(), MajorKey(),
-                                               descriptor, -1);
+void InternalArrayNArgumentsConstructorStub::InitializeDescriptor(
+    CodeStubDescriptor* descriptor) {
+  InitializeInternalArrayConstructorDescriptor(isolate(), descriptor, -1);
 }
 
 
@@ -118,11 +105,12 @@ static void EmitStrictTwoHeapObjectCompare(MacroAssembler* masm,
                                            Register rhs);
 
 
-void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm) {
+void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm,
+                                               ExternalReference miss) {
   // Update the static counter each time a new code stub is generated.
   isolate()->counters()->code_stubs()->Increment();
 
-  CodeStubInterfaceDescriptor descriptor(this);
+  CallInterfaceDescriptor descriptor = GetCallInterfaceDescriptor();
   int param_count = descriptor.GetEnvironmentParameterCount();
   {
     // Call the runtime system in a fresh internal frame.
@@ -136,7 +124,6 @@ void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm) {
       __ sw(descriptor.GetEnvironmentParameterRegister(i),
             MemOperand(sp, (param_count - 1 - i) * kPointerSize));
     }
-    ExternalReference miss = descriptor.miss_handler();
     __ CallExternalReference(miss, param_count);
   }