Encode CEntryStub properties in the minor key.

src/mips64/code-stubs-mips64.h

Index: src/mips64/code-stubs-mips64.h
diff --git a/src/mips64/code-stubs-mips64.h b/src/mips64/code-stubs-mips64.h
index bfa0444b7f8e4c9365036a12f3d56ad9d41f5988..614c3f6692c8f6e53fa66b9fab61dbf3f9ac942d 100644
--- a/src/mips64/code-stubs-mips64.h
+++ b/src/mips64/code-stubs-mips64.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; }
 };
 
 
@@ -69,7 +69,7 @@ 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);
 };
@@ -83,7 +83,7 @@ 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);
 };
@@ -96,7 +96,7 @@ 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);
 };
@@ -125,7 +125,7 @@ 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,
@@ -175,7 +175,7 @@ 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())
@@ -347,7 +347,7 @@ 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()) |
@@ -388,7 +388,7 @@ 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; }
 };
@@ -435,7 +435,7 @@ 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> {};