Use direct loop when filling small arrays.

src/ia32/disasm-ia32.cc

 // Copyright 2007-2008 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 72 matching lines @@
   {0xF4, "hlt", UNSET_OP_ORDER},
   {0xCC, "int3", UNSET_OP_ORDER},
   {0x60, "pushad", UNSET_OP_ORDER},
   {0x61, "popad", UNSET_OP_ORDER},
   {0x9C, "pushfd", UNSET_OP_ORDER},
   {0x9D, "popfd", UNSET_OP_ORDER},
   {0x9E, "sahf", UNSET_OP_ORDER},
   {0x99, "cdq", UNSET_OP_ORDER},
   {0x9B, "fwait", UNSET_OP_ORDER},
   {0xFC, "cld", UNSET_OP_ORDER},
+  {0xAB, "stos", UNSET_OP_ORDER},
   {-1, "", UNSET_OP_ORDER}
 };
 
 
 static ByteMnemonic call_jump_instr[] = {
   {0xE8, "call", UNSET_OP_ORDER},
   {0xE9, "jmp", UNSET_OP_ORDER},
   {-1, "", UNSET_OP_ORDER}
 };
 
@@ skipping 1328 matching lines @@
     }
     for (int i = 6 - (pc - prev_pc); i >= 0; i--) {
       fprintf(f, "  ");
     }
     fprintf(f, "  %s\n", buffer.start());
   }
 }
 
 
 }  // namespace disasm