Revert of Vector ICs: platform support for vector-based stores.

src/ic/mips64/handler-compiler-mips64.cc

 // 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.
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
 #include "src/ic/ic.h"
 #include "src/isolate-inl.h"
@@ skipping 279 matching lines @@
   ExternalReference::Type type = ExternalReference::DIRECT_API_CALL;
   ExternalReference ref = ExternalReference(&fun, type, masm->isolate());
   __ li(api_function_address, Operand(ref));
 
   // Jump to stub.
   CallApiAccessorStub stub(isolate, is_store, call_data_undefined);
   __ TailCallStub(&stub);
 }
 
 
-static void StoreIC_PushArgs(MacroAssembler* masm) {
-  if (FLAG_vector_stores) {
-    __ Push(StoreDescriptor::ReceiverRegister(),
-            StoreDescriptor::NameRegister(), StoreDescriptor::ValueRegister(),
-            VectorStoreICDescriptor::SlotRegister(),
-            VectorStoreICDescriptor::VectorRegister());
-  } else {
-    __ Push(StoreDescriptor::ReceiverRegister(),
-            StoreDescriptor::NameRegister(), StoreDescriptor::ValueRegister());
-  }
-}
-
-
 void NamedStoreHandlerCompiler::GenerateSlow(MacroAssembler* masm) {
-  StoreIC_PushArgs(masm);
+  // Push receiver, key and value for runtime call.
+  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
+          StoreDescriptor::ValueRegister());
 
   // The slow case calls into the runtime to complete the store without causing
   // an IC miss that would otherwise cause a transition to the generic stub.
-  __ TailCallRuntime(Runtime::kStoreIC_Slow, FLAG_vector_stores ? 5 : 3, 1);
+  __ TailCallRuntime(Runtime::kStoreIC_Slow, 3, 1);
 }
 
 
 void ElementHandlerCompiler::GenerateStoreSlow(MacroAssembler* masm) {
-  StoreIC_PushArgs(masm);
+  // Push receiver, key and value for runtime call.
+  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
+          StoreDescriptor::ValueRegister());
 
   // The slow case calls into the runtime to complete the store without causing
   // an IC miss that would otherwise cause a transition to the generic stub.
-  __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow, FLAG_vector_stores ? 5 : 3,
-                     1);
+  __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow, 3, 1);
 }
 
 
 #undef __
 #define __ ACCESS_MASM(masm())
 
 
 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label,
                                                     Handle<Name> name) {
   if (!label->is_unused()) {
@@ skipping 222 matching lines @@
     __ bind(&success);
   }
 }
 
 
 void NamedStoreHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) {
   if (!miss->is_unused()) {
     Label success;
     __ Branch(&success);
     GenerateRestoreName(miss, name);
-    if (IC::ICUseVector(kind())) PopVectorAndSlot();
     TailCallBuiltin(masm(), MissBuiltin(kind()));
     __ bind(&success);
   }
 }
 
 
 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) {
   // Return the constant value.
   __ li(v0, value);
   __ Ret();
@@ skipping 199 matching lines @@
   // Return the generated code.
   return GetCode(kind(), Code::NORMAL, name);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64