[turbofan] Avoid going through ArgumentsAdaptorTrampoline for CSA/C++ builtins

src/interface-descriptors.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CALL_INTERFACE_DESCRIPTOR_H_
 #define V8_CALL_INTERFACE_DESCRIPTOR_H_
 
 #include <memory>
 
 #include "src/assembler.h"
@@ skipping 36 matching lines @@
   V(CallForwardVarargs)                    \
   V(CallConstruct)                         \
   V(CallTrampoline)                        \
   V(ConstructStub)                         \
   V(ConstructTrampoline)                   \
   V(TransitionElementsKind)                \
   V(AllocateHeapNumber)                    \
   V(Builtin)                               \
   V(ArrayConstructor)                      \
   V(IteratingArrayBuiltin)                 \
-  V(IteratingArrayBuiltinLoopContinuation) \
   V(ArrayNoArgumentConstructor)            \
   V(ArraySingleArgumentConstructor)        \
   V(ArrayNArgumentsConstructor)            \
   V(Compare)                               \
   V(BinaryOp)                              \
   V(BinaryOpWithAllocationSite)            \
   V(BinaryOpWithVector)                    \
   V(CountOp)                               \
   V(StringAdd)                             \
   V(StringCharAt)                          \
@@ skipping 151 matching lines @@
   const CallInterfaceDescriptorData* data_;
 };
 
 #define DECLARE_DESCRIPTOR_WITH_BASE(name, base)           \
  public:                                                   \
   explicit name(Isolate* isolate) : base(isolate, key()) { \
     Initialize(isolate, key());                            \
   }                                                        \
   static inline CallDescriptors::Key key();
 
-#define DECLARE_DEFAULT_DESCRIPTOR(name, base, parameter_count)            \
-  DECLARE_DESCRIPTOR_WITH_BASE(name, base)                                 \
- protected:                                                                \
-  void InitializePlatformSpecific(CallInterfaceDescriptorData* data)       \
-      override {                                                           \
-    DefaultInitializePlatformSpecific(data, parameter_count);              \
-  }                                                                        \
-  name(Isolate* isolate, CallDescriptors::Key key) : base(isolate, key) {} \
-                                                                           \
+static const int kMaxBuiltinRegisterParams = 5;
+
+#define DECLARE_DEFAULT_DESCRIPTOR(name, base, parameter_count)               \
+  DECLARE_DESCRIPTOR_WITH_BASE(name, base)                                    \
+ protected:                                                                   \
+  static const int kRegisterParams =                                          \
+      parameter_count > kMaxBuiltinRegisterParams ? kMaxBuiltinRegisterParams \
+                                                  : parameter_count;          \
+  static const int kStackParams = parameter_count - kRegisterParams;          \
+  void InitializePlatformSpecific(CallInterfaceDescriptorData* data)          \
+      override {                                                              \
+    DefaultInitializePlatformSpecific(data, kRegisterParams);                 \
+  }                                                                           \
+  void InitializePlatformIndependent(CallInterfaceDescriptorData* data)       \
+      override {                                                              \
+    data->InitializePlatformIndependent(kRegisterParams, kStackParams, NULL); \
+  }                                                                           \
+  name(Isolate* isolate, CallDescriptors::Key key) : base(isolate, key) {}    \
+                                                                              \
  public:
 
 #define DECLARE_DESCRIPTOR(name, base)                                         \
   DECLARE_DESCRIPTOR_WITH_BASE(name, base)                                     \
  protected:                                                                    \
   void InitializePlatformSpecific(CallInterfaceDescriptorData* data) override; \
   name(Isolate* isolate, CallDescriptors::Key key) : base(isolate, key) {}     \
                                                                                \
  public:
 
@@ skipping 387 matching lines @@
   static const Register NewTargetRegister();
   static const Register TargetRegister();
 };
 
 class IteratingArrayBuiltinDescriptor : public BuiltinDescriptor {
  public:
   DEFINE_BUILTIN_PARAMETERS(kCallback, kThisArg)
   DECLARE_BUILTIN_DESCRIPTOR(IteratingArrayBuiltinDescriptor)
 };
 
-class IteratingArrayBuiltinLoopContinuationDescriptor
-    : public BuiltinDescriptor {
- public:
-  DEFINE_BUILTIN_PARAMETERS(kCallback, kThisArg, kArray, kObject, kInitialK,
-                            kLength, kTo)
-  DECLARE_BUILTIN_DESCRIPTOR(IteratingArrayBuiltinLoopContinuationDescriptor)
-};
-
 class ArrayConstructorDescriptor : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kTarget, kNewTarget, kActualArgumentsCount, kAllocationSite)
   DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(ArrayConstructorDescriptor,
                                                CallInterfaceDescriptor)
 };
 
 class ArrayNoArgumentConstructorDescriptor : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kFunction, kAllocationSite, kActualArgumentsCount,
@@ skipping 237 matching lines @@
 }  // namespace v8
 
 
 #if V8_TARGET_ARCH_ARM64
 #include "src/arm64/interface-descriptors-arm64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "src/arm/interface-descriptors-arm.h"
 #endif
 
 #endif  // V8_CALL_INTERFACE_DESCRIPTOR_H_