s390: use new mul instruction

src/s390/constants-s390.h

 // 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.
 
 #ifndef V8_S390_CONSTANTS_S390_H_
 #define V8_S390_CONSTANTS_S390_H_
 
 // Get the standard printf format macros for C99 stdint types.
 #ifndef __STDC_FORMAT_MACROS
 #define __STDC_FORMAT_MACROS
@@ skipping 253 matching lines @@
   V(mdtr, MDTR, 0xB3D0)     /* type = RRF_A MULTIPLY (long DFP)  */         \
   V(mdtra, MDTRA, 0xB3D0)   /* type = RRF_A MULTIPLY (long DFP)  */         \
   V(ddtr, DDTR, 0xB3D1)     /* type = RRF_A DIVIDE (long DFP)  */           \
   V(ddtra, DDTRA, 0xB3D1)   /* type = RRF_A DIVIDE (long DFP)  */           \
   V(adtr, ADTR, 0xB3D2)     /* type = RRF_A ADD (long DFP)  */              \
   V(adtra, ADTRA, 0xB3D2)   /* type = RRF_A ADD (long DFP)  */              \
   V(sdtr, SDTR, 0xB3D3)     /* type = RRF_A SUBTRACT (long DFP)  */         \
   V(sdtra, SDTRA, 0xB3D3)   /* type = RRF_A SUBTRACT (long DFP)  */         \
   V(mxtr, MXTR, 0xB3D8)     /* type = RRF_A MULTIPLY (extended DFP)  */     \
   V(mxtra, MXTRA, 0xB3D8)   /* type = RRF_A MULTIPLY (extended DFP)  */     \
+  V(msrkc, MSRKC, 0xB9FD)   /* type = RRF_A MULTIPLY (32)*/                 \
+  V(msgrkc, MSGRKC, 0xB9ED) /* type = RRF_A MULTIPLY (64)*/                 \
   V(dxtr, DXTR, 0xB3D9)     /* type = RRF_A DIVIDE (extended DFP)  */       \
   V(dxtra, DXTRA, 0xB3D9)   /* type = RRF_A DIVIDE (extended DFP)  */       \
   V(axtr, AXTR, 0xB3DA)     /* type = RRF_A ADD (extended DFP)  */          \
   V(axtra, AXTRA, 0xB3DA)   /* type = RRF_A ADD (extended DFP)  */          \
   V(sxtr, SXTR, 0xB3DB)     /* type = RRF_A SUBTRACT (extended DFP)  */     \
   V(sxtra, SXTRA, 0xB3DB)   /* type = RRF_A SUBTRACT (extended DFP)  */     \
   V(ahhhr, AHHHR, 0xB9C8)   /* type = RRF_A ADD HIGH (32)  */               \
   V(shhhr, SHHHR, 0xB9C9)   /* type = RRF_A SUBTRACT HIGH (32)  */          \
   V(alhhhr, ALHHHR, 0xB9CA) /* type = RRF_A ADD LOGICAL HIGH (32)  */       \
   V(slhhhr, SLHHHR, 0xB9CB) /* type = RRF_A SUBTRACT LOGICAL HIGH (32)  */  \
@@ skipping 2087 matching lines @@
   static int Number(const char* name);
 
  private:
   static const char* names_[kNumDoubleRegisters];
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_S390_CONSTANTS_S390_H_