Introduce FLAG_vector_ics.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index a918298eb191704fb5a4c51605f96f3ea01b0d45..f5074e2330211f9c0dabcb829e683c9d6f4c629a 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -2836,6 +2836,11 @@ void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   ASSERT(ToRegister(instr->result()).is(eax));
 
   __ mov(LoadIC::NameRegister(), instr->name());
+  if (FLAG_vector_ics) {
+    // No need to allocate this register.
+    ASSERT(LoadIC::SlotRegister().is(eax));
+    __ mov(LoadIC::SlotRegister(), instr->hydrogen()->slot());
+  }
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), mode);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
@@ -2970,6 +2975,11 @@ void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   ASSERT(ToRegister(instr->result()).is(eax));
 
   __ mov(LoadIC::NameRegister(), instr->name());
+  if (FLAG_vector_ics) {
+    // No need to allocate this register.
+    ASSERT(LoadIC::SlotRegister().is(eax));
+    __ mov(LoadIC::SlotRegister(), instr->hydrogen()->slot());
+  }
   Handle<Code> ic = LoadIC::initialize_stub(isolate(), NOT_CONTEXTUAL);
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
@@ -3210,6 +3220,12 @@ void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   ASSERT(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
   ASSERT(ToRegister(instr->key()).is(LoadIC::NameRegister()));
 
+  if (FLAG_vector_ics) {
+    // No need to allocate this register.
+    ASSERT(LoadIC::SlotRegister().is(eax));
+    __ mov(LoadIC::SlotRegister(), instr->hydrogen()->slot());
+  }
+
   Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }