Allow div and cmp to work in uint32 mode

src/ia32/assembler-ia32.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 764 matching lines @@
 
   void dec_b(Register dst);
   void dec_b(const Operand& dst);
 
   void dec(Register dst);
   void dec(const Operand& dst);
 
   void cdq();
 
   void idiv(Register src);
+  void div(Register src);
 
   // Signed multiply instructions.
   void imul(Register src);                               // edx:eax = eax * src.
   void imul(Register dst, Register src) { imul(dst, Operand(src)); }
   void imul(Register dst, const Operand& src);           // dst = dst * src.
   void imul(Register dst, Register src, int32_t imm32);  // dst = src * imm32.
 
   void inc(Register dst);
   void inc(const Operand& dst);
 
@@ skipping 424 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_ASSEMBLER_IA32_H_