src/cpu/s390/vm/stubGenerator_s390.cpp

rev 12410 : 8171398: s390x: Make interpreter's math entries consistent with C1 and C2 and support FMA
Reviewed-by:

*** 2038,2054 ****
      generate_push_parmBlk(keylen, fCode, parmBlk, key, cv, true);
  
      // Prepare other registers for instruction.
      // __ z_lgr(src, from);  // Not needed, registers are the same.
      __ z_lgr(dst, to);
!     __ z_lgr(srclen, msglen);
  
      __ kmc(dst, src);          // Decipher the message.
  
      generate_pop_parmBlk(keylen, parmBlk, key, cv);
  
!     __ z_lgr(Z_RET, msglen);
      __ z_br(Z_R14);
  
      return __ addr_at(start_off);
    }
  
--- 2038,2054 ----
      generate_push_parmBlk(keylen, fCode, parmBlk, key, cv, true);
  
      // Prepare other registers for instruction.
      // __ z_lgr(src, from);     // Not needed, registers are the same.
      __ z_lgr(dst, to);
!     __ z_llgfr(srclen, msglen); // We pass the offsets as ints, not as longs as required.
  
      __ kmc(dst, src);           // Decipher the message.
  
      generate_pop_parmBlk(keylen, parmBlk, key, cv);
  
!     __ z_llgfr(Z_RET, msglen);  // We pass the offsets as ints, not as longs as required.
      __ z_br(Z_R14);
  
      return __ addr_at(start_off);
    }