src/cpu/ppc/vm/vm_version_ppc.hpp

rev 8107 : 8077838: Recent developments for ppc.

*** 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, 2015, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2012, 2015 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.
*** 39,49 ****
      cmpb,
      popcntb,
      popcntw,
      fcfids,
      vand,
!     dcba,
      num_features // last entry to count features
    };
    enum Feature_Flag_Set {
      unknown_m             = 0,
      fsqrt_m               = (1 << fsqrt  ),
--- 39,52 ----
      cmpb,
      popcntb,
      popcntw,
      fcfids,
      vand,
!     lqarx,
!     vcipher,
!     vpmsumb,
!     tcheck,
      num_features // last entry to count features
    };
    enum Feature_Flag_Set {
      unknown_m             = 0,
      fsqrt_m               = (1 << fsqrt  ),
*** 53,78 ****
      cmpb_m                = (1 << cmpb   ),
      popcntb_m             = (1 << popcntb),
      popcntw_m             = (1 << popcntw),
      fcfids_m              = (1 << fcfids ),
      vand_m                = (1 << vand   ),
!     dcba_m                = (1 << dcba   ),
      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 determine_section_size();
    static void power6_micro_bench();
  public:
    // Initialization
    static void initialize();
  
    static bool is_determine_features_test_running() { return _is_determine_features_test_running; }
    // CPU instruction support
    static bool has_fsqrt()   { return (_features & fsqrt_m) != 0; }
    static bool has_fsqrts()  { return (_features & fsqrts_m) != 0; }
    static bool has_isel()    { return (_features & isel_m) != 0; }
--- 56,88 ----
      cmpb_m                = (1 << cmpb   ),
      popcntb_m             = (1 << popcntb),
      popcntw_m             = (1 << popcntw),
      fcfids_m              = (1 << fcfids ),
      vand_m                = (1 << vand   ),
!     lqarx_m               = (1 << lqarx  ),
!     vcipher_m             = (1 << vcipher),
!     vpmsumb_m             = (1 << vpmsumb),
!     tcheck_m              = (1 << tcheck ),
      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();
  
+   // Override Abstract_VM_Version implementation
+   static bool use_biased_locking();
+ 
    static bool is_determine_features_test_running() { return _is_determine_features_test_running; }
    // CPU instruction support
    static bool has_fsqrt()   { return (_features & fsqrt_m) != 0; }
    static bool has_fsqrts()  { return (_features & fsqrts_m) != 0; }
    static bool has_isel()    { return (_features & isel_m) != 0; }
*** 80,90 ****
    static bool has_cmpb()    { return (_features & cmpb_m) != 0; }
    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 const char* cpu_features() { return _features_str; }
  
    static int get_cache_line_size()  { return _measured_cache_line_size; }
  
--- 90,103 ----
    static bool has_cmpb()    { return (_features & cmpb_m) != 0; }
    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_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_tcheck()  { return (_features & tcheck_m) != 0; }
  
    static const char* cpu_features() { return _features_str; }
  
    static int get_cache_line_size()  { return _measured_cache_line_size; }