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

src/ia32/ic-ia32.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1213 matching lines @@
 static void GenerateMonomorphicCacheProbe(MacroAssembler* masm,
                                           int argc,
                                           Code::Kind kind) {
   // ----------- S t a t e -------------
   //  -- ecx                 : name
   //  -- edx                 : receiver
   // -----------------------------------
   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.
   // For value objects, we use the map of the prototype objects for
   // the corresponding JSValue for the cache and that is what we need
   // to probe.
   //
   // Check for number.
   __ test(edx, Immediate(kSmiTagMask));
   __ j(zero, &number, not_taken);
@@ skipping 72 matching lines @@
 
   // eax: elements
   // Search the dictionary placing the result in edi.
   GenerateDictionaryLoad(masm, &miss, eax, ecx, edi, ebx, edi);
   GenerateFunctionTailCall(masm, argc, &miss);
 
   __ bind(&miss);
 }
 
 
-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
   //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
   //  -- ...
   //  -- esp[(argc + 1) * 4] : receiver
   // -----------------------------------
 
   if (id == IC::kCallIC_Miss) {
     __ IncrementCounter(&Counters::call_miss, 1);
   } else {
     __ IncrementCounter(&Counters::keyed_call_miss, 1);
   }
 
   // Get the receiver of the function from the stack; 1 ~ return address.
   __ mov(edx, Operand(esp, (argc + 1) * kPointerSize));
 
   // Enter an internal frame.
   __ EnterInternalFrame();
 
   // 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);
 
   // Move result to edi and exit the internal frame.
   __ mov(edi, eax);
   __ LeaveInternalFrame();
 
   // Check if the receiver is a global object of some sort.
   // This can happen only for regular CallIC but not KeyedCallIC.
   if (id == IC::kCallIC_Miss) {
@@ skipping 26 matching lines @@
   //  -- ecx                 : name
   //  -- esp[0]              : return address
   //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
   //  -- ...
   //  -- esp[(argc + 1) * 4] : receiver
   // -----------------------------------
 
   // 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);
 }
 
 
 void CallIC::GenerateNormal(MacroAssembler* masm, int argc) {
   // ----------- S t a t e -------------
   //  -- ecx                 : name
   //  -- esp[0]              : return address
   //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
   //  -- ...
   //  -- esp[(argc + 1) * 4] : receiver
   // -----------------------------------
 
   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
   //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
   //  -- ...
   //  -- esp[(argc + 1) * 4] : receiver
   // -----------------------------------
 
-  GenerateCallMiss(masm, argc, IC::kCallIC_Miss);
+  GenerateCallMiss(masm, extra_ic_state, argc, IC::kCallIC_Miss);
 }
 
 
 void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
   // ----------- S t a t e -------------
   //  -- ecx                 : name
   //  -- esp[0]              : return address
   //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
   //  -- ...
   //  -- esp[(argc + 1) * 4] : receiver
@@ skipping 113 matching lines @@
 
 void KeyedCallIC::GenerateMiss(MacroAssembler* masm, int argc) {
   // ----------- S t a t e -------------
   //  -- ecx                 : name
   //  -- esp[0]              : return address
   //  -- esp[(argc - n) * 4] : arg[n] (zero-based)
   //  -- ...
   //  -- esp[(argc + 1) * 4] : receiver
   // -----------------------------------
 
-  GenerateCallMiss(masm, argc, IC::kKeyedCallIC_Miss);
+  GenerateCallMiss(masm, Code::kNoExtraICState, argc, IC::kKeyedCallIC_Miss);
 }
 
 
 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- eax    : receiver
   //  -- ecx    : name
   //  -- esp[0] : return address
   // -----------------------------------
 
@@ skipping 533 matching lines @@
   Condition cc = *jmp_address == Assembler::kJncShortOpcode
       ? not_zero
       : zero;
   *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32