Flesh out vector ic state query and set mechanisms.

src/ic/arm64/ic-arm64.cc

 // Copyright 2013 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_ARM64
 
 #include "src/codegen.h"
 #include "src/ic/ic.h"
@@ skipping 339 matching lines @@
 
 
 void LoadIC::GenerateMiss(MacroAssembler* masm) {
   // The return address is in lr.
   Isolate* isolate = masm->isolate();
   ASM_LOCATION("LoadIC::GenerateMiss");
 
   __ IncrementCounter(isolate->counters()->load_miss(), 1, x3, x4);
 
   // Perform tail call to the entry.
-  __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
+  if (FLAG_vector_ics) {
+    __ Push(VectorLoadICDescriptor::ReceiverRegister(),
+            VectorLoadICDescriptor::NameRegister(),
+            VectorLoadICDescriptor::SlotRegister(),
+            VectorLoadICDescriptor::VectorRegister());
+  } else {
+    __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
+  }
   ExternalReference ref = ExternalReference(IC_Utility(kLoadIC_Miss), isolate);
-  __ TailCallExternalReference(ref, 2, 1);
+  int arg_count = FLAG_vector_ics ? 4 : 2;
+  __ TailCallExternalReference(ref, arg_count, 1);
 }
 
 
 void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // The return address is in lr.
   __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
   __ TailCallRuntime(Runtime::kGetProperty, 2, 1);
 }
 
 
@@ skipping 42 matching lines @@
   GenerateMiss(masm);
 }
 
 
 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
   // The return address is in lr.
   Isolate* isolate = masm->isolate();
 
   __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, x10, x11);
 
-  __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
+  if (FLAG_vector_ics) {
+    __ Push(VectorLoadICDescriptor::ReceiverRegister(),
+            VectorLoadICDescriptor::NameRegister(),
+            VectorLoadICDescriptor::SlotRegister(),
+            VectorLoadICDescriptor::VectorRegister());
+  } else {
+    __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
+  }
 
   // Perform tail call to the entry.
   ExternalReference ref =
       ExternalReference(IC_Utility(kKeyedLoadIC_Miss), isolate);
-
-  __ TailCallExternalReference(ref, 2, 1);
+  int arg_count = FLAG_vector_ics ? 4 : 2;
+  __ TailCallExternalReference(ref, arg_count, 1);
 }
 
 
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // The return address is in lr.
   __ Push(LoadDescriptor::ReceiverRegister(), LoadDescriptor::NameRegister());
   __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1);
 }
 
 
@@ skipping 578 matching lines @@
   } else {
     DCHECK(to_patch->Mask(TestBranchMask) == TBNZ);
     // This is JumpIfSmi(smi_reg, branch_imm).
     patcher.tbz(smi_reg, 0, branch_imm);
   }
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64