VectorICs: New interface descriptor for vector transitioning stores.

src/x64/interface-descriptors-x64.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 13 matching lines @@
 const Register StoreDescriptor::NameRegister() { return rcx; }
 const Register StoreDescriptor::ValueRegister() { return rax; }
 
 
 const Register VectorStoreICTrampolineDescriptor::SlotRegister() { return rdi; }
 
 
 const Register VectorStoreICDescriptor::VectorRegister() { return rbx; }
 
 
+const Register VectorStoreTransitionDescriptor::SlotRegister() { return rdi; }
+const Register VectorStoreTransitionDescriptor::VectorRegister() { return rbx; }
+const Register VectorStoreTransitionDescriptor::MapRegister() { return r11; }
+
+
 const Register StoreTransitionDescriptor::MapRegister() { return rbx; }
 
 
 const Register LoadGlobalViaContextDescriptor::SlotRegister() { return rbx; }
 
 
 const Register StoreGlobalViaContextDescriptor::SlotRegister() { return rbx; }
 const Register StoreGlobalViaContextDescriptor::ValueRegister() { return rax; }
 
 
@@ skipping 13 matching lines @@
 
 const Register MathPowIntegerDescriptor::exponent() {
   return MathPowTaggedDescriptor::exponent();
 }
 
 
 const Register GrowArrayElementsDescriptor::ObjectRegister() { return rax; }
 const Register GrowArrayElementsDescriptor::KeyRegister() { return rbx; }
 
 
-void StoreTransitionDescriptor::InitializePlatformSpecific(
+void VectorStoreTransitionDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
-  Register registers[] = {ReceiverRegister(), NameRegister(), ValueRegister(),
-                          MapRegister()};
+  Register registers[] = {ReceiverRegister(), NameRegister(),   ValueRegister(),
+                          SlotRegister(),     VectorRegister(), MapRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void FastNewClosureDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {rbx};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
@@ skipping 279 matching lines @@
       rdi,  // math rounding function
       rdx,  // vector slot id
       rbx   // type vector
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64