Introduce extra IC state to record additional feedback from IC-s.

src/ia32/ic-ia32.cc

Index: src/ia32/ic-ia32.cc
diff --git a/src/ia32/ic-ia32.cc b/src/ia32/ic-ia32.cc
index 90bfd4b664dc105dfb577c1f01881b84fcd0939b..472f2a9e94e0a28c9255d4f3e38fc7df003403ca 100644
--- a/src/ia32/ic-ia32.cc
+++ b/src/ia32/ic-ia32.cc
@@ -1231,8 +1231,12 @@ static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
   Label number, non_number, non_string, boolean, probe, miss;
 
   // Probe the stub cache.
-  Code::Flags flags =
-      Code::ComputeFlags(kind, NOT_IN_LOOP, MONOMORPHIC, NORMAL, argc);
+  Code::Flags flags = Code::ComputeFlags(kind,
+                                         NOT_IN_LOOP,
+                                         MONOMORPHIC,
+                                         Code::kNoExtraICState,
+                                         NORMAL,
+                                         argc);
   StubCache::GenerateProbe(masm, flags, edx, ecx, ebx, eax);
 
   // If the stub cache probing failed, the receiver might be a value.
@@ -1325,7 +1329,10 @@ static void GenerateCallNormal(MacroAssembler* masm, int argc) {
 }
 
 
-static void GenerateCallMiss(MacroAssembler* masm, int argc, IC::UtilityId id) {
+static void GenerateCallMiss(MacroAssembler* masm,
+                             Code::ExtraICState extra_ic_state,
+                             int argc,
+                             IC::UtilityId id) {
   // ----------- S t a t e -------------
   //  -- ecx                 : name
   //  -- esp[0]              : return address
@@ -1349,10 +1356,13 @@ static void GenerateCallMiss(MacroAssembler* masm, int argc, IC::UtilityId id) {
   // Push the receiver and the name of the function.
   __ push(edx);
   __ push(ecx);
+  if (extra_ic_state != Code::kNoExtraICState) {
+    __ push(Immediate(Smi::FromInt(extra_ic_state)));
+  }
 
   // Call the entry.
   CEntryStub stub(1);
-  __ mov(eax, Immediate(2));
+  __ mov(eax, Immediate((extra_ic_state == Code::kNoExtraICState) ? 2 : 3));
   __ mov(ebx, Immediate(ExternalReference(IC_Utility(id))));
   __ CallStub(&stub);
 
@@ -1399,7 +1409,7 @@ void CallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
   // Get the receiver of the function from the stack; 1 ~ return address.
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
   GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC);
-  GenerateMiss(masm, argc);
+  GenerateMiss(masm, Code::kNoExtraICState, argc);
 }
 
 
@@ -1413,11 +1423,13 @@ void CallIC::GenerateNormal(MacroAssembler* masm, int argc) {
   // -----------------------------------
 
   GenerateCallNormal(masm, argc);
-  GenerateMiss(masm, argc);
+  GenerateMiss(masm, Code::kNoExtraICState, argc);
 }
 
 
-void CallIC::GenerateMiss(MacroAssembler* masm, int argc) {
+void CallIC::GenerateMiss(MacroAssembler* masm,
+                          Code::ExtraICState extra_ic_state,
+                          int argc) {
   // ----------- S t a t e -------------
   //  -- ecx                 : name
   //  -- esp[0]              : return address
@@ -1426,7 +1438,7 @@ void CallIC::GenerateMiss(MacroAssembler* masm, int argc) {
   //  -- esp[(argc + 1) * 4] : receiver
   // -----------------------------------
 
-  GenerateCallMiss(masm, argc, IC::kCallIC_Miss);
+  GenerateCallMiss(masm, extra_ic_state, argc, IC::kCallIC_Miss);
 }
 
 
@@ -1560,7 +1572,7 @@ void KeyedCallIC::GenerateMiss(MacroAssembler* masm, int argc) {
   //  -- esp[(argc + 1) * 4] : receiver
   // -----------------------------------
 
-  GenerateCallMiss(masm, argc, IC::kKeyedCallIC_Miss);
+  GenerateCallMiss(masm, Code::kNoExtraICState, argc, IC::kKeyedCallIC_Miss);
 }