S390: Optimize allocate sequence

src/s390/assembler-s390.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 969 matching lines @@
   RXE_FORM(mdb);
   SS4_FORM(mvck);
   SSF_FORM(mvcos);
   SS4_FORM(mvcs);
   SS1_FORM(mvn);
   SS1_FORM(nc);
   SI_FORM(ni);
   RI1_FORM(nilh);
   RI1_FORM(nill);
   RI1_FORM(oill);
+  RXY_FORM(pfd);
   RXE_FORM(sdb);
   RXY_FORM(slgf);
   RS1_FORM(srdl);
   RX_FORM(ste);
   RXY_FORM(stey);
   RXY_FORM(strv);
   RXY_FORM(strvh);
   RXY_FORM(strvg);
   RI1_FORM(tmll);
   SS1_FORM(tr);
@@ skipping 531 matching lines @@
 
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) { assembler->CheckBuffer(); }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_S390_ASSEMBLER_S390_H_