Encode CEntryStub properties in the minor key.

src/mips/code-stubs-mips.h

Index: src/mips/code-stubs-mips.h
diff --git a/src/mips/code-stubs-mips.h b/src/mips/code-stubs-mips.h
index 41912a447016f6ea748af297e8ac1acf9b076116..91333040223183bec32d1858532e5cb520fb21d9 100644
--- a/src/mips/code-stubs-mips.h
+++ b/src/mips/code-stubs-mips.h
@@ -29,7 +29,7 @@ class StoreBufferOverflowStub: public PlatformCodeStub {
   SaveFPRegsMode save_doubles_;
 
   Major MajorKey() const { return StoreBufferOverflow; }
-  int MinorKey() const { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; }
+  uint32_t MinorKey() const { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; }
 };
 
 
@@ -70,7 +70,7 @@ class SubStringStub: public PlatformCodeStub {
 
  private:
   Major MajorKey() const { return SubString; }
-  int MinorKey() const { return 0; }
+  uint32_t MinorKey() const { return 0; }
 
   void Generate(MacroAssembler* masm);
 };
@@ -84,7 +84,7 @@ class StoreRegistersStateStub: public PlatformCodeStub {
   static void GenerateAheadOfTime(Isolate* isolate);
  private:
   Major MajorKey() const { return StoreRegistersState; }
-  int MinorKey() const { return 0; }
+  uint32_t MinorKey() const { return 0; }
 
   void Generate(MacroAssembler* masm);
 };
@@ -97,7 +97,7 @@ class RestoreRegistersStateStub: public PlatformCodeStub {
   static void GenerateAheadOfTime(Isolate* isolate);
  private:
   Major MajorKey() const { return RestoreRegistersState; }
-  int MinorKey() const { return 0; }
+  uint32_t MinorKey() const { return 0; }
 
   void Generate(MacroAssembler* masm);
 };
@@ -126,7 +126,7 @@ class StringCompareStub: public PlatformCodeStub {
 
  private:
   virtual Major MajorKey() const { return StringCompare; }
-  virtual int MinorKey() const { return 0; }
+  virtual uint32_t MinorKey() const { return 0; }
   virtual void Generate(MacroAssembler* masm);
 
   static void GenerateAsciiCharsCompareLoop(MacroAssembler* masm,
@@ -176,7 +176,7 @@ class WriteInt32ToHeapNumberStub : public PlatformCodeStub {
   class SignRegisterBits: public BitField<int, 12, 4> {};
 
   Major MajorKey() const { return WriteInt32ToHeapNumber; }
-  int MinorKey() const {
+  uint32_t MinorKey() const {
     // Encode the parameters in a unique 16 bit value.
     return IntRegisterBits::encode(the_int_.code())
            | HeapNumberRegisterBits::encode(the_heap_number_.code())
@@ -348,7 +348,7 @@ class RecordWriteStub: public PlatformCodeStub {
 
   Major MajorKey() const { return RecordWrite; }
 
-  int MinorKey() const {
+  uint32_t MinorKey() const {
     return ObjectBits::encode(object_.code()) |
         ValueBits::encode(value_.code()) |
         AddressBits::encode(address_.code()) |
@@ -389,7 +389,7 @@ class DirectCEntryStub: public PlatformCodeStub {
 
  private:
   Major MajorKey() const { return DirectCEntry; }
-  int MinorKey() const { return 0; }
+  uint32_t MinorKey() const { return 0; }
 
   bool NeedsImmovableCode() { return true; }
 };
@@ -436,7 +436,7 @@ class NameDictionaryLookupStub: public PlatformCodeStub {
 
   Major MajorKey() const { return NameDictionaryLookup; }
 
-  int MinorKey() const { return LookupModeBits::encode(mode_); }
+  uint32_t MinorKey() const { return LookupModeBits::encode(mode_); }
 
   class LookupModeBits: public BitField<LookupMode, 0, 1> {};