Improve implementation of HSeqStringSetChar.

src/ia32/disasm-ia32.cc

 // Copyright 2011 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 1179 matching lines @@
         } else if (*data == 0x8B) {
           data++;
           data += PrintOperands("mov_w", REG_OPER_OP_ORDER, data);
         } else if (*data == 0x89) {
           data++;
           int mod, regop, rm;
           get_modrm(*data, &mod, &regop, &rm);
           AppendToBuffer("mov_w ");
           data += PrintRightOperand(data);
           AppendToBuffer(",%s", NameOfCPURegister(regop));
+        } else if (*data == 0xC7) {
+          data++;
+          AppendToBuffer("%s ", "mov_w");
+          data += PrintRightOperand(data);
+          int imm = *reinterpret_cast<int16_t*>(data);
+          AppendToBuffer(",0x%x", imm);
+          data += 2;
         } else if (*data == 0x0F) {
           data++;
           if (*data == 0x38) {
             data++;
             if (*data == 0x17) {
               data++;
               int mod, regop, rm;
               get_modrm(*data, &mod, &regop, &rm);
               AppendToBuffer("ptest %s,%s",
                              NameOfXMMRegister(regop),
@@ skipping 526 matching lines @@
       fprintf(f, "  ");
     }
     fprintf(f, "  %s\n", buffer.start());
   }
 }
 
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_IA32