Handle non-power-of-2 divisors in division-like operations

src/ia32/macro-assembler-ia32.h

 // Copyright 2012 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 837 matching lines @@
   void Push(Smi* smi) { Push(Handle<Smi>(smi, isolate())); }
 
   Handle<Object> CodeObject() {
     ASSERT(!code_object_.is_null());
     return code_object_;
   }
 
   // Insert code to verify that the x87 stack has the specified depth (0-7)
   void VerifyX87StackDepth(uint32_t depth);
 
+  // Emit code for a flooring division by a constant. The dividend register is
+  // unchanged, the result is in edx, and eax gets clobbered.
+  void FlooringDiv(Register dividend, int32_t divisor);
+
   // ---------------------------------------------------------------------------
   // StatsCounter support
 
   void SetCounter(StatsCounter* counter, int value);
   void IncrementCounter(StatsCounter* counter, int value);
   void DecrementCounter(StatsCounter* counter, int value);
   void IncrementCounter(Condition cc, StatsCounter* counter, int value);
   void DecrementCounter(Condition cc, StatsCounter* counter, int value);
 
 
@@ skipping 246 matching lines @@
   }                                                                       \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_MACRO_ASSEMBLER_IA32_H_