Introduce FLAG_vector_ics.

src/ia32/lithium-codegen-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/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 2818 matching lines @@
   }
 }
 
 
 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
   ASSERT(ToRegister(instr->global_object()).is(LoadIC::ReceiverRegister()));
   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);
 }
 
 
 void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) {
   Register value = ToRegister(instr->value());
   Handle<PropertyCell> cell_handle = instr->hydrogen()->cell().handle();
 
@@ skipping 114 matching lines @@
   }
 }
 
 
 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
   ASSERT(ToRegister(instr->object()).is(LoadIC::ReceiverRegister()));
   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);
 }
 
 
 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
   Register function = ToRegister(instr->function());
   Register temp = ToRegister(instr->temp());
   Register result = ToRegister(instr->result());
 
@@ skipping 220 matching lines @@
                    base_offset);
   }
 }
 
 
 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
   ASSERT(ToRegister(instr->context()).is(esi));
   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);
 }
 
 
 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) {
   Register result = ToRegister(instr->result());
 
   if (instr->hydrogen()->from_inlined()) {
     __ lea(result, Operand(esp, -2 * kPointerSize));
@@ skipping 2439 matching lines @@
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32