VectorICs: vector [keyed]store ic MISS handling infrastructure.

src/ic/mips/ic-mips.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.
 
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/codegen.h"
@@ skipping 724 matching lines @@
   KeyedStoreGenerateMegamorphicHelper(masm, &fast_object_grow,
                                       &fast_double_grow, &slow, kDontCheckMap,
                                       kIncrementLength, value, key, receiver,
                                       receiver_map, elements_map, elements);
 
   __ bind(&miss);
   GenerateMiss(masm);
 }
 
 
+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 KeyedStoreIC::GenerateMiss(MacroAssembler* masm) {
-  // Push receiver, key and value for runtime call.
-  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
-          StoreDescriptor::ValueRegister());
+  StoreIC_PushArgs(masm);
 
-  __ TailCallRuntime(Runtime::kKeyedStoreIC_Miss, 3, 1);
+  int args = FLAG_vector_stores ? 5 : 3;
+  __ TailCallRuntime(Runtime::kKeyedStoreIC_Miss, args, 1);
 }
 
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   Register receiver = StoreDescriptor::ReceiverRegister();
   Register name = StoreDescriptor::NameRegister();
   DCHECK(receiver.is(a1));
   DCHECK(name.is(a2));
   DCHECK(StoreDescriptor::ValueRegister().is(a0));
 
   // Get the receiver from the stack and probe the stub cache.
   Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
       Code::ComputeHandlerFlags(Code::STORE_IC));
   masm->isolate()->stub_cache()->GenerateProbe(
       masm, Code::STORE_IC, flags, false, receiver, name, a3, t0, t1, t2);
 
   // Cache miss: Jump to runtime.
   GenerateMiss(masm);
 }
 
 
 void StoreIC::GenerateMiss(MacroAssembler* masm) {
-  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
-          StoreDescriptor::ValueRegister());
+  StoreIC_PushArgs(masm);
+
   // Perform tail call to the entry.
-  __ TailCallRuntime(Runtime::kStoreIC_Miss, 3, 1);
+  int args = FLAG_vector_stores ? 5 : 3;
+  __ TailCallRuntime(Runtime::kStoreIC_Miss, args, 1);
 }
 
 
 void StoreIC::GenerateNormal(MacroAssembler* masm) {
   Label miss;
   Register receiver = StoreDescriptor::ReceiverRegister();
   Register name = StoreDescriptor::NameRegister();
   Register value = StoreDescriptor::ValueRegister();
   Register dictionary = a3;
   DCHECK(receiver.is(a1));
@@ skipping 105 matching lines @@
     patcher.ChangeBranchCondition(ne);
   } else {
     DCHECK(Assembler::IsBne(branch_instr));
     patcher.ChangeBranchCondition(eq);
   }
 }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS