src/cpu/ppc/vm/vm_version_ppc.hpp

rev 8845 : Apply 8154156 for VSX support, with cherry picking from 8077838, 8080684, and 8149655

*** 1,8 ****
  /*
!  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2012, 2014 SAP AG. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,8 ----
  /*
!  * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2012, 2018 SAP AG. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 40,51 ****
--- 40,54 ----
      popcntb,
      popcntw,
      fcfids,
      vand,
      dcba,
+     lqarx,
      vcipher,
      vpmsumb,
+     mfdscr,
+     vsx,
      num_features // last entry to count features
    };
    enum Feature_Flag_Set {
      unknown_m             = 0,
      fsqrt_m               = (1 << fsqrt  ),
*** 56,76 ****
--- 59,83 ----
      popcntb_m             = (1 << popcntb),
      popcntw_m             = (1 << popcntw),
      fcfids_m              = (1 << fcfids ),
      vand_m                = (1 << vand   ),
      dcba_m                = (1 << dcba   ),
+     lqarx_m               = (1 << lqarx  ),
      vcipher_m             = (1 << vcipher),
      vpmsumb_m             = (1 << vpmsumb),
+     mfdscr_m              = (1 << mfdscr ),
+     vsx_m                 = (1 << vsx    ),
      all_features_m        = -1
    };
    static int  _features;
    static int  _measured_cache_line_size;
    static const char* _features_str;
    static bool _is_determine_features_test_running;
  
    static void print_features();
    static void determine_features(); // also measures cache line size
+   static void config_dscr(); // Power 8: Configure Data Stream Control Register.
    static void determine_section_size();
    static void power6_micro_bench();
  public:
    // Initialization
    static void initialize();
*** 85,102 ****
--- 92,115 ----
    static bool has_popcntb() { return (_features & popcntb_m) != 0; }
    static bool has_popcntw() { return (_features & popcntw_m) != 0; }
    static bool has_fcfids()  { return (_features & fcfids_m) != 0; }
    static bool has_vand()    { return (_features & vand_m) != 0; }
    static bool has_dcba()    { return (_features & dcba_m) != 0; }
+   static bool has_lqarx()   { return (_features & lqarx_m) != 0; }
    static bool has_vcipher() { return (_features & vcipher_m) != 0; }
    static bool has_vpmsumb() { return (_features & vpmsumb_m) != 0; }
+   static bool has_mfdscr()  { return (_features & mfdscr_m) != 0; }
+   static bool has_vsx()     { return (_features & vsx_m) != 0; }
  
    static const char* cpu_features() { return _features_str; }
  
    static int get_cache_line_size()  { return _measured_cache_line_size; }
  
    // Assembler testing
    static void allow_all();
    static void revert();
+ 
+   // POWER 8: DSCR current value.
+   static uint64_t _dscr_val;
  };
  
  #endif // CPU_PPC_VM_VM_VERSION_PPC_HPP