Removed dead WriteInt32ToHeapNumberStub.

src/mips/code-stubs-mips.h

 // Copyright 2011 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.
 
 #ifndef V8_MIPS_CODE_STUBS_ARM_H_
 #define V8_MIPS_CODE_STUBS_ARM_H_
 
 namespace v8 {
 namespace internal {
 
@@ skipping 55 matching lines @@
       : PlatformCodeStub(isolate) {}
 
   static void GenerateAheadOfTime(Isolate* isolate);
 
  private:
   DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
   DEFINE_PLATFORM_CODE_STUB(RestoreRegistersState, PlatformCodeStub);
 };
 
 
-// This stub can convert a signed int32 to a heap number (double).  It does
-// not work for int32s that are in Smi range!  No GC occurs during this stub
-// so you don't have to set up the frame.
-class WriteInt32ToHeapNumberStub : public PlatformCodeStub {
- public:
-  WriteInt32ToHeapNumberStub(Isolate* isolate, Register the_int,
-                             Register the_heap_number, Register scratch,
-                             Register scratch2)
-      : PlatformCodeStub(isolate) {
-    minor_key_ = IntRegisterBits::encode(the_int.code()) |
-                 HeapNumberRegisterBits::encode(the_heap_number.code()) |
-                 ScratchRegisterBits::encode(scratch.code()) |
-                 SignRegisterBits::encode(scratch2.code());
-    DCHECK(IntRegisterBits::is_valid(the_int.code()));
-    DCHECK(HeapNumberRegisterBits::is_valid(the_heap_number.code()));
-    DCHECK(ScratchRegisterBits::is_valid(scratch.code()));
-    DCHECK(SignRegisterBits::is_valid(scratch2.code()));
-  }
-
-  static void GenerateFixedRegStubsAheadOfTime(Isolate* isolate);
-
- private:
-  Register the_int() const {
-    return Register::from_code(IntRegisterBits::decode(minor_key_));
-  }
-
-  Register the_heap_number() const {
-    return Register::from_code(HeapNumberRegisterBits::decode(minor_key_));
-  }
-
-  Register scratch() const {
-    return Register::from_code(ScratchRegisterBits::decode(minor_key_));
-  }
-
-  Register sign() const {
-    return Register::from_code(SignRegisterBits::decode(minor_key_));
-  }
-
-  // Minor key encoding in 16 bits.
-  class IntRegisterBits: public BitField<int, 0, 4> {};
-  class HeapNumberRegisterBits: public BitField<int, 4, 4> {};
-  class ScratchRegisterBits: public BitField<int, 8, 4> {};
-  class SignRegisterBits: public BitField<int, 12, 4> {};
-
-  DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
-  DEFINE_PLATFORM_CODE_STUB(WriteInt32ToHeapNumber, PlatformCodeStub);
-};
-
-
 class RecordWriteStub: public PlatformCodeStub {
  public:
   RecordWriteStub(Isolate* isolate,
                   Register object,
                   Register value,
                   Register address,
                   RememberedSetAction remembered_set_action,
                   SaveFPRegsMode fp_mode)
       : PlatformCodeStub(isolate),
         regs_(object,   // An input reg.
@@ skipping 251 matching lines @@
   class LookupModeBits: public BitField<LookupMode, 0, 1> {};
 
   DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
   DEFINE_PLATFORM_CODE_STUB(NameDictionaryLookup, PlatformCodeStub);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_CODE_STUBS_ARM_H_