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

src/ic/x64/handler-compiler-x64.cc

Index: src/ic/x64/handler-compiler-x64.cc
diff --git a/src/ic/x64/handler-compiler-x64.cc b/src/ic/x64/handler-compiler-x64.cc
index 1490c921fc3e1890b33f66418f2f3d484ca65601..fe6d168b52813ad37c38b6ee9d1e698654191a3b 100644
--- a/src/ic/x64/handler-compiler-x64.cc
+++ b/src/ic/x64/handler-compiler-x64.cc
@@ -304,26 +304,13 @@
   Register name = StoreDescriptor::NameRegister();
   Register value = StoreDescriptor::ValueRegister();
 
-  if (FLAG_vector_stores) {
-    Register slot = VectorStoreICDescriptor::SlotRegister();
-    Register vector = VectorStoreICDescriptor::VectorRegister();
-
-    __ PopReturnAddressTo(r11);
-    __ Push(receiver);
-    __ Push(name);
-    __ Push(value);
-    __ Push(slot);
-    __ Push(vector);
-    __ PushReturnAddressFrom(r11);
-  } else {
-    DCHECK(!rbx.is(receiver) && !rbx.is(name) && !rbx.is(value));
-
-    __ PopReturnAddressTo(rbx);
-    __ Push(receiver);
-    __ Push(name);
-    __ Push(value);
-    __ PushReturnAddressFrom(rbx);
-  }
+  DCHECK(!rbx.is(receiver) && !rbx.is(name) && !rbx.is(value));
+
+  __ PopReturnAddressTo(rbx);
+  __ Push(receiver);
+  __ Push(name);
+  __ Push(value);
+  __ PushReturnAddressFrom(rbx);
 }
 
 
@@ -332,7 +319,7 @@
   StoreIC_PushArgs(masm);
 
   // Do tail-call to runtime routine.
-  __ TailCallRuntime(Runtime::kStoreIC_Slow, FLAG_vector_stores ? 5 : 3, 1);
+  __ TailCallRuntime(Runtime::kStoreIC_Slow, 3, 1);
 }
 
 
@@ -341,8 +328,7 @@
   StoreIC_PushArgs(masm);
 
   // Do tail-call to runtime routine.
-  __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow, FLAG_vector_stores ? 5 : 3,
-                     1);
+  __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow, 3, 1);
 }
 
 
@@ -589,7 +575,6 @@
     Label success;
     __ jmp(&success);
     GenerateRestoreName(miss, name);
-    if (IC::ICUseVector(kind())) PopVectorAndSlot();
     TailCallBuiltin(masm(), MissBuiltin(kind()));
     __ bind(&success);
   }