src/cpu/ppc/vm/vm_version_ppc.hpp

rev 13437 : Implement SHA256 and SHA512 intrinsics for PPC64

Sample run reduced 6.5s run to 2.8s for SHA256.

*** 47,56 ****
--- 47,57 ----
      tcheck,
      mfdscr,
      vsx,
      ldbrx,
      stdbrx,
+     vshasig,
      num_features // last entry to count features
    };
    enum Feature_Flag_Set {
      unknown_m             = 0,
      fsqrt_m               = (1 << fsqrt  ),
*** 62,71 ****
--- 63,73 ----
      popcntw_m             = (1 << popcntw),
      fcfids_m              = (1 << fcfids ),
      vand_m                = (1 << vand   ),
      lqarx_m               = (1 << lqarx  ),
      vcipher_m             = (1 << vcipher),
+     vshasig_m             = (1 << vshasig),
      vpmsumb_m             = (1 << vpmsumb),
      tcheck_m              = (1 << tcheck ),
      mfdscr_m              = (1 << mfdscr ),
      vsx_m                 = (1 << vsx    ),
      ldbrx_m               = (1 << ldbrx  ),
*** 104,113 ****
--- 106,116 ----
    static bool has_tcheck()  { return (_features & tcheck_m) != 0; }
    static bool has_mfdscr()  { return (_features & mfdscr_m) != 0; }
    static bool has_vsx()     { return (_features & vsx_m) != 0; }
    static bool has_ldbrx()   { return (_features & ldbrx_m) != 0; }
    static bool has_stdbrx()  { return (_features & stdbrx_m) != 0; }
+   static bool has_vshasig() { return (_features & vshasig_m) != 0; }
    static bool has_mtfprd()  { return has_vpmsumb(); } // alias for P8
  
    // Assembler testing
    static void allow_all();
    static void revert();