S390: Use macro to declare rxy format assember function

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 849 matching lines @@
   V(lg, LG, 0xE304)     /* type = RXY_A LOAD (64)  */                          \
   V(cvby, CVBY, 0xE306) /* type = RXY_A CONVERT TO BINARY (32)  */             \
   V(ag, AG, 0xE308)     /* type = RXY_A ADD (64)  */                           \
   V(sg, SG, 0xE309)     /* type = RXY_A SUBTRACT (64)  */                      \
   V(alg, ALG, 0xE30A)   /* type = RXY_A ADD LOGICAL (64)  */                   \
   V(slg, SLG, 0xE30B)   /* type = RXY_A SUBTRACT LOGICAL (64)  */              \
   V(msg, MSG, 0xE30C)   /* type = RXY_A MULTIPLY SINGLE (64)  */               \
   V(dsg, DSG, 0xE30D)   /* type = RXY_A DIVIDE SINGLE (64)  */                 \
   V(cvbg, CVBG, 0xE30E) /* type = RXY_A CONVERT TO BINARY (64)  */             \
   V(lrvg, LRVG, 0xE30F) /* type = RXY_A LOAD REVERSED (64)  */                 \
-  V(lt, LT, 0xE312)     /* type = RXY_A LOAD AND TEST (32)  */                 \
+  V(lt_z, LT, 0xE312)   /* type = RXY_A LOAD AND TEST (32)  */                 \
   V(lray, LRAY, 0xE313) /* type = RXY_A LOAD REAL ADDRESS (32)  */             \
   V(lgf, LGF, 0xE314)   /* type = RXY_A LOAD (64<-32)  */                      \
   V(lgh, LGH, 0xE315)   /* type = RXY_A LOAD HALFWORD (64<-16)  */             \
   V(llgf, LLGF, 0xE316) /* type = RXY_A LOAD LOGICAL (64<-32)  */              \
   V(llgt, LLGT,                                                                \
     0xE317) /* type = RXY_A LOAD LOGICAL THIRTY ONE BITS (64<-31)  */          \
   V(agf, AGF, 0xE318)     /* type = RXY_A ADD (64<-32)  */                     \
   V(sgf, SGF, 0xE319)     /* type = RXY_A SUBTRACT (64<-32)  */                \
   V(algf, ALGF, 0xE31A)   /* type = RXY_A ADD LOGICAL (64<-32)  */             \
   V(slgf, SLGF, 0xE31B)   /* type = RXY_A SUBTRACT LOGICAL (64<-32)  */        \
@@ skipping 1490 matching lines @@
   static int Number(const char* name);
 
  private:
   static const char* names_[kNumDoubleRegisters];
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_S390_CONSTANTS_S390_H_