S390: Fix Mod64/ModU64 sequence

src/s390/disasm-s390.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // A Disassembler object is used to disassemble a block of code instruction by
 // instruction. The default implementation of the NameConverter object can be
 // overriden to modify register names or to do symbol lookup on addresses.
 //
 // The example below will disassemble a block of code and print it to stdout.
 //
@@ skipping 770 matching lines @@
     case ALGRK:
       Format(instr, "algrk\t'r5,'r6,'r3");
       break;
     case SLGR:
       Format(instr, "slgr\t'r5,'r6");
       break;
     case SLBR:
       Format(instr, "slbr\t'r5,'r6");
       break;
     case DLR:
-      Format(instr, "dlr\t'r1,'r2");
+      Format(instr, "dlr\t'r5,'r6");
       break;
     case DLGR:
       Format(instr, "dlgr\t'r5,'r6");
       break;
     case SLRK:
       Format(instr, "slrk\t'r5,'r6,'r3");
       break;
     case SLGRK:
       Format(instr, "slgrk\t'r5,'r6,'r3");
       break;
@@ skipping 600 matching lines @@
     byte* prev_pc = pc;
     pc += d.InstructionDecode(buffer, pc);
     v8::internal::PrintF(f, "%p    %08x      %s\n", prev_pc,
                          *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
   }
 }
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_S390