Flesh out vector ic state query and set mechanisms.

src/ic/ia32/ic-ia32.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_IA32
 
 #include "src/codegen.h"
 #include "src/ic/ic.h"
@@ skipping 749 matching lines @@
 
   // Dictionary load failed, go slow (but don't miss).
   __ bind(&slow);
   GenerateRuntimeGetProperty(masm);
 }
 
 
 static void LoadIC_PushArgs(MacroAssembler* masm) {
   Register receiver = LoadDescriptor::ReceiverRegister();
   Register name = LoadDescriptor::NameRegister();
+  if (FLAG_vector_ics) {
+    Register slot = VectorLoadICDescriptor::SlotRegister();
+    Register vector = VectorLoadICDescriptor::VectorRegister();
+    DCHECK(!edi.is(receiver) && !edi.is(name) && !edi.is(slot) &&
+           !edi.is(vector));
+
+    __ pop(edi);
+    __ push(receiver);
+    __ push(name);
+    __ push(slot);
+    __ push(vector);
+    __ push(edi);
+  } else {
+    DCHECK(!ebx.is(receiver) && !ebx.is(name));
+
+    __ pop(ebx);
+    __ push(receiver);
+    __ push(name);
+    __ push(ebx);
+  }
+}
+
+
+void LoadIC::GenerateMiss(MacroAssembler* masm) {
+  // Return address is on the stack.
+  __ IncrementCounter(masm->isolate()->counters()->load_miss(), 1);
+  LoadIC_PushArgs(masm);
+
+  // Perform tail call to the entry.
+  ExternalReference ref =
+      ExternalReference(IC_Utility(kLoadIC_Miss), masm->isolate());
+  int arg_count = FLAG_vector_ics ? 4 : 2;
+  __ TailCallExternalReference(ref, arg_count, 1);
+}
+
+
+void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
+  // Return address is on the stack.
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register name = LoadDescriptor::NameRegister();
   DCHECK(!ebx.is(receiver) && !ebx.is(name));
 
   __ pop(ebx);
   __ push(receiver);
   __ push(name);
   __ push(ebx);
-}
-
-
-void LoadIC::GenerateMiss(MacroAssembler* masm) {
-  // Return address is on the stack.
-  __ IncrementCounter(masm->isolate()->counters()->load_miss(), 1);
-
-  LoadIC_PushArgs(masm);
-
-  // Perform tail call to the entry.
-  ExternalReference ref =
-      ExternalReference(IC_Utility(kLoadIC_Miss), masm->isolate());
-  __ TailCallExternalReference(ref, 2, 1);
-}
-
-
-void LoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
-  // Return address is on the stack.
-  LoadIC_PushArgs(masm);
 
   // Perform tail call to the entry.
   __ TailCallRuntime(Runtime::kGetProperty, 2, 1);
 }
 
 
 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm) {
   // Return address is on the stack.
   __ IncrementCounter(masm->isolate()->counters()->keyed_load_miss(), 1);
 
   LoadIC_PushArgs(masm);
 
   // Perform tail call to the entry.
   ExternalReference ref =
       ExternalReference(IC_Utility(kKeyedLoadIC_Miss), masm->isolate());
-  __ TailCallExternalReference(ref, 2, 1);
+  int arg_count = FLAG_vector_ics ? 4 : 2;
+  __ TailCallExternalReference(ref, arg_count, 1);
 }
 
 
 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) {
   // Return address is on the stack.
-  LoadIC_PushArgs(masm);
+  Register receiver = LoadDescriptor::ReceiverRegister();
+  Register name = LoadDescriptor::NameRegister();
+  DCHECK(!ebx.is(receiver) && !ebx.is(name));
+
+  __ pop(ebx);
+  __ push(receiver);
+  __ push(name);
+  __ push(ebx);
 
   // Perform tail call to the entry.
   __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1);
 }
 
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   // Return address is on the stack.
   Code::Flags flags = Code::RemoveTypeAndHolderFromFlags(
       Code::ComputeHandlerFlags(Code::STORE_IC));
@@ skipping 137 matching lines @@
   Condition cc =
       (check == ENABLE_INLINED_SMI_CHECK)
           ? (*jmp_address == Assembler::kJncShortOpcode ? not_zero : zero)
           : (*jmp_address == Assembler::kJnzShortOpcode ? not_carry : carry);
   *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32