emit premonomorphic ics for loads/stores in optimized code

src/mips64/lithium-codegen-mips64.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"
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/hydrogen-osr.h"
 #include "src/ic/ic.h"
@@ skipping 2892 matching lines @@
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->global_object())
             .is(LoadDescriptor::ReceiverRegister()));
   DCHECK(ToRegister(instr->result()).is(v0));
 
   __ li(LoadDescriptor::NameRegister(), Operand(instr->name()));
   if (FLAG_vector_ics) {
     EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
   }
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
-  Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate(), mode).code();
+  Handle<Code> ic =
+      CodeFactory::LoadICInOptimizedCode(isolate(), mode, UNINITIALIZED).code();

[Toon Verwaest, 2015/02/09 14:27:59]

PREMONOMORPHIC

   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) {
   Register value = ToRegister(instr->value());
   Register cell = scratch0();
 
   // Load the cell.
   __ li(cell, Operand(instr->hydrogen()->cell().handle()));
@@ skipping 120 matching lines @@
 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister()));
   DCHECK(ToRegister(instr->result()).is(v0));
 
   // Name is always in a2.
   __ li(LoadDescriptor::NameRegister(), Operand(instr->name()));
   if (FLAG_vector_ics) {
     EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr);
   }
-  Handle<Code> ic =
-      CodeFactory::LoadICInOptimizedCode(isolate(), NOT_CONTEXTUAL).code();
+  Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(
+                        isolate(), NOT_CONTEXTUAL,
+                        instr->hydrogen()->initialization_state()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) {
   Register scratch = scratch0();
   Register function = ToRegister(instr->function());
   Register result = ToRegister(instr->result());
 
   // Get the prototype or initial map from the function.
@@ skipping 1238 matching lines @@
   }
 }
 
 
 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister()));
   DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister()));
 
   __ li(StoreDescriptor::NameRegister(), Operand(instr->name()));
-  Handle<Code> ic = StoreIC::initialize_stub(isolate(), instr->language_mode());
+  Handle<Code> ic =
+      StoreIC::initialize_stub(isolate(), instr->language_mode(),
+                               instr->hydrogen()->initialization_state());
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
 void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) {
   Condition cc = instr->hydrogen()->allow_equality() ? hi : hs;
   Operand operand((int64_t)0);
   Register reg;
   if (instr->index()->IsConstantOperand()) {
     operand = ToOperand(instr->index());
@@ skipping 1731 matching lines @@
   __ li(at, scope_info);
   __ Push(at, ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal