Preview of a first step towards unification of hydrogen calls

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 7c077b64cac103bdb20506a0909e68a5602fca88..92be1b51f4a9b89844f5a4f77c7cb668ec522062 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -364,6 +364,56 @@ void NewStringAddStub::InitializeInterfaceDescriptor(
 }
 
 
+void CallDescriptors::InitializeForIsolate(Isolate* isolate) {
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(Isolate::ArgumentAdaptorCall);
+    static Register registers[] = { edi,  // JSFunction
+                                    esi,  // context
+                                    eax,  // actual number of arguments
+                                    ebx,  // expected number of arguments
+    };
+    static Representation representations[] = {
+        Representation::Tagged(),     // JSFunction
+        Representation::Tagged(),     // context
+        Representation::Integer32(),  // actual number of arguments
+        Representation::Integer32(),  // expected number of arguments
+    };
+    descriptor->register_param_count_ = 4;
+    descriptor->register_params_ = registers;
+    descriptor->param_representations_ = representations;
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(Isolate::KeyedCall);
+    static Register registers[] = { esi,  // context
+                                    ecx,  // key
+    };
+    static Representation representations[] = {
+        Representation::Tagged(),     // context
+        Representation::Tagged(),     // key
+    };
+    descriptor->register_param_count_ = 2;
+    descriptor->register_params_ = registers;
+    descriptor->param_representations_ = representations;
+  }
+  {
+    CallInterfaceDescriptor* descriptor =
+        isolate->call_descriptor(Isolate::NamedCall);
+    static Register registers[] = { esi,  // context
+                                    ecx,  // name
+    };
+    static Representation representations[] = {
+        Representation::Tagged(),     // context
+        Representation::Tagged(),     // name
+    };
+    descriptor->register_param_count_ = 2;
+    descriptor->register_params_ = registers;
+    descriptor->param_representations_ = representations;
+  }
+}
+
+
 #define __ ACCESS_MASM(masm)