S390: Optimize For Mul in TurboFan codegen

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 889 matching lines @@
       break;
     case LD:
       Format(instr, "ld\t'f1,'d1('r2d,'r3)");
       break;
     case LE:
       Format(instr, "le\t'f1,'d1('r2d,'r3)");
       break;
     case LDGR:
       Format(instr, "ldgr\t'f5,'r6");
       break;
+    case MS:
+      Format(instr, "ms\t'r1,'d1('r2d,'r3)");
+      break;
     case STE:
       Format(instr, "ste\t'f1,'d1('r2d,'r3)");
       break;
     case STD:
       Format(instr, "std\t'f1,'d1('r2d,'r3)");
       break;
     case CFDBR:
       Format(instr, "cfdbr\t'r5,'m2,'f6");
       break;
     case CDFBR:
@@ skipping 431 matching lines @@
       break;
     case MSGFI:
       Format(instr, "msgfi\t'r1,'i7");
       break;
     case LDY:
       Format(instr, "ldy\t'f1,'d2('r2d,'r3)");
       break;
     case LEY:
       Format(instr, "ley\t'f1,'d2('r2d,'r3)");
       break;
+    case MSG:
+      Format(instr, "msg\t'r1,'d2('r2d,'r3)");
+      break;
+    case MSY:
+      Format(instr, "msy\t'r1,'d2('r2d,'r3)");
+      break;
     case STEY:
       Format(instr, "stey\t'f1,'d2('r2d,'r3)");
       break;
     case STDY:
       Format(instr, "stdy\t'f1,'d2('r2d,'r3)");
       break;
     case ADB:
       Format(instr, "adb\t'r1,'d1('r2d, 'r3)");
       break;
     case SDB:
@@ skipping 94 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