s390: Allow larger Operands/Displacements/Offsets in s390

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 1076 matching lines @@
       break;
     case BRASL:
       Format(instr, "brasl\t'r1,'ie");
       break;
     case BRCL:
       Format(instr, "brcl\t'm1,'i5");
       break;
     case IIHF:
       Format(instr, "iihf\t'r1,'i7");
       break;
+    case LGFI:
+      Format(instr, "lgfi\t'r1,'i7");
+      break;
     case IILF:
       Format(instr, "iilf\t'r1,'i7");
       break;
     case XIHF:
       Format(instr, "xihf\t'r1,'i7");
       break;
     case XILF:
       Format(instr, "xilf\t'r1,'i7");
       break;
     case SLLK:
@@ skipping 355 matching lines @@
     byte* prev_pc = pc;
     pc += d.InstructionDecode(buffer, pc);
     v8::internal::PrintF(f, "%p    %08x      %s\n", static_cast<void*>(prev_pc),
                          *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
   }
 }
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_S390