Reland Vector ICs: platform support for vector-based stores.

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

Index: src/ic/mips/handler-compiler-mips.cc
diff --git a/src/ic/mips/handler-compiler-mips.cc b/src/ic/mips/handler-compiler-mips.cc
index 7f10a8e39ca4e5d64dfe087e8bc4da2e79313a9f..8c135e40888c87cd49174495a74d679cc27e8268 100644
--- a/src/ic/mips/handler-compiler-mips.cc
+++ b/src/ic/mips/handler-compiler-mips.cc
@@ -296,25 +296,35 @@ void PropertyHandlerCompiler::GenerateApiAccessorCall(
 }
 
 
+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) {
-  // Push receiver, key and value for runtime call.
-  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
-          StoreDescriptor::ValueRegister());
+  StoreIC_PushArgs(masm);
 
   // 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, 3, 1);
+  __ TailCallRuntime(Runtime::kStoreIC_Slow, FLAG_vector_stores ? 5 : 3, 1);
 }
 
 
 void ElementHandlerCompiler::GenerateStoreSlow(MacroAssembler* masm) {
-  // Push receiver, key and value for runtime call.
-  __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
-          StoreDescriptor::ValueRegister());
+  StoreIC_PushArgs(masm);
 
   // 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, 3, 1);
+  __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow, FLAG_vector_stores ? 5 : 3,
+                     1);
 }
 
 
@@ -557,6 +567,7 @@ void NamedStoreHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) {
     Label success;
     __ Branch(&success);
     GenerateRestoreName(miss, name);
+    if (IC::ICUseVector(kind())) PopVectorAndSlot();
     TailCallBuiltin(masm(), MissBuiltin(kind()));
     __ bind(&success);
   }