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src/cpu/ppc/vm/vm_version_ppc.hpp

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rev 13550 : 8185979: PPC64: Implement SHA2 intrinsic
Reviewed-by: mdoerr, goetz
Contributed-by: Bruno Rosa <bruno.rosa@eldorado.org.br>, Gustavo Serra Scalet <gustavo.scalet@eldorado.org.br>, Igor Nunes <igor.nunes@eldorado.org.br>, Martin Doerr <martin.doerr@sap.com>


  32 class VM_Version: public Abstract_VM_Version {
  33 protected:
  34   enum Feature_Flag {
  35     fsqrt,
  36     fsqrts,
  37     isel,
  38     lxarxeh,
  39     cmpb,
  40     popcntb,
  41     popcntw,
  42     fcfids,
  43     vand,
  44     lqarx,
  45     vcipher,
  46     vpmsumb,
  47     tcheck,
  48     mfdscr,
  49     vsx,
  50     ldbrx,
  51     stdbrx,

  52     num_features // last entry to count features
  53   };
  54   enum Feature_Flag_Set {
  55     unknown_m             = 0,
  56     fsqrt_m               = (1 << fsqrt  ),
  57     fsqrts_m              = (1 << fsqrts ),
  58     isel_m                = (1 << isel   ),
  59     lxarxeh_m             = (1 << lxarxeh),
  60     cmpb_m                = (1 << cmpb   ),
  61     popcntb_m             = (1 << popcntb),
  62     popcntw_m             = (1 << popcntw),
  63     fcfids_m              = (1 << fcfids ),
  64     vand_m                = (1 << vand   ),
  65     lqarx_m               = (1 << lqarx  ),
  66     vcipher_m             = (1 << vcipher),

  67     vpmsumb_m             = (1 << vpmsumb),
  68     tcheck_m              = (1 << tcheck ),
  69     mfdscr_m              = (1 << mfdscr ),
  70     vsx_m                 = (1 << vsx    ),
  71     ldbrx_m               = (1 << ldbrx  ),
  72     stdbrx_m              = (1 << stdbrx ),
  73     all_features_m        = (unsigned long)-1
  74   };
  75 
  76   static bool _is_determine_features_test_running;
  77 
  78   static void print_features();
  79   static void determine_features(); // also measures cache line size
  80   static void config_dscr(); // Power 8: Configure Data Stream Control Register.
  81   static void determine_section_size();
  82   static void power6_micro_bench();
  83 public:
  84   // Initialization
  85   static void initialize();
  86 


  89 
  90   static bool is_determine_features_test_running() { return _is_determine_features_test_running; }
  91   // CPU instruction support
  92   static bool has_fsqrt()   { return (_features & fsqrt_m) != 0; }
  93   static bool has_fsqrts()  { return (_features & fsqrts_m) != 0; }
  94   static bool has_isel()    { return (_features & isel_m) != 0; }
  95   static bool has_lxarxeh() { return (_features & lxarxeh_m) !=0; }
  96   static bool has_cmpb()    { return (_features & cmpb_m) != 0; }
  97   static bool has_popcntb() { return (_features & popcntb_m) != 0; }
  98   static bool has_popcntw() { return (_features & popcntw_m) != 0; }
  99   static bool has_fcfids()  { return (_features & fcfids_m) != 0; }
 100   static bool has_vand()    { return (_features & vand_m) != 0; }
 101   static bool has_lqarx()   { return (_features & lqarx_m) != 0; }
 102   static bool has_vcipher() { return (_features & vcipher_m) != 0; }
 103   static bool has_vpmsumb() { return (_features & vpmsumb_m) != 0; }
 104   static bool has_tcheck()  { return (_features & tcheck_m) != 0; }
 105   static bool has_mfdscr()  { return (_features & mfdscr_m) != 0; }
 106   static bool has_vsx()     { return (_features & vsx_m) != 0; }
 107   static bool has_ldbrx()   { return (_features & ldbrx_m) != 0; }
 108   static bool has_stdbrx()  { return (_features & stdbrx_m) != 0; }

 109   static bool has_mtfprd()  { return has_vpmsumb(); } // alias for P8
 110 
 111   // Assembler testing
 112   static void allow_all();
 113   static void revert();
 114 
 115   // POWER 8: DSCR current value.
 116   static uint64_t _dscr_val;
 117 };
 118 
 119 #endif // CPU_PPC_VM_VM_VERSION_PPC_HPP


  32 class VM_Version: public Abstract_VM_Version {
  33 protected:
  34   enum Feature_Flag {
  35     fsqrt,
  36     fsqrts,
  37     isel,
  38     lxarxeh,
  39     cmpb,
  40     popcntb,
  41     popcntw,
  42     fcfids,
  43     vand,
  44     lqarx,
  45     vcipher,
  46     vpmsumb,
  47     tcheck,
  48     mfdscr,
  49     vsx,
  50     ldbrx,
  51     stdbrx,
  52     vshasig,
  53     num_features // last entry to count features
  54   };
  55   enum Feature_Flag_Set {
  56     unknown_m             = 0,
  57     fsqrt_m               = (1 << fsqrt  ),
  58     fsqrts_m              = (1 << fsqrts ),
  59     isel_m                = (1 << isel   ),
  60     lxarxeh_m             = (1 << lxarxeh),
  61     cmpb_m                = (1 << cmpb   ),
  62     popcntb_m             = (1 << popcntb),
  63     popcntw_m             = (1 << popcntw),
  64     fcfids_m              = (1 << fcfids ),
  65     vand_m                = (1 << vand   ),
  66     lqarx_m               = (1 << lqarx  ),
  67     vcipher_m             = (1 << vcipher),
  68     vshasig_m             = (1 << vshasig),
  69     vpmsumb_m             = (1 << vpmsumb),
  70     tcheck_m              = (1 << tcheck ),
  71     mfdscr_m              = (1 << mfdscr ),
  72     vsx_m                 = (1 << vsx    ),
  73     ldbrx_m               = (1 << ldbrx  ),
  74     stdbrx_m              = (1 << stdbrx ),
  75     all_features_m        = (unsigned long)-1
  76   };
  77 
  78   static bool _is_determine_features_test_running;
  79 
  80   static void print_features();
  81   static void determine_features(); // also measures cache line size
  82   static void config_dscr(); // Power 8: Configure Data Stream Control Register.
  83   static void determine_section_size();
  84   static void power6_micro_bench();
  85 public:
  86   // Initialization
  87   static void initialize();
  88 


  91 
  92   static bool is_determine_features_test_running() { return _is_determine_features_test_running; }
  93   // CPU instruction support
  94   static bool has_fsqrt()   { return (_features & fsqrt_m) != 0; }
  95   static bool has_fsqrts()  { return (_features & fsqrts_m) != 0; }
  96   static bool has_isel()    { return (_features & isel_m) != 0; }
  97   static bool has_lxarxeh() { return (_features & lxarxeh_m) !=0; }
  98   static bool has_cmpb()    { return (_features & cmpb_m) != 0; }
  99   static bool has_popcntb() { return (_features & popcntb_m) != 0; }
 100   static bool has_popcntw() { return (_features & popcntw_m) != 0; }
 101   static bool has_fcfids()  { return (_features & fcfids_m) != 0; }
 102   static bool has_vand()    { return (_features & vand_m) != 0; }
 103   static bool has_lqarx()   { return (_features & lqarx_m) != 0; }
 104   static bool has_vcipher() { return (_features & vcipher_m) != 0; }
 105   static bool has_vpmsumb() { return (_features & vpmsumb_m) != 0; }
 106   static bool has_tcheck()  { return (_features & tcheck_m) != 0; }
 107   static bool has_mfdscr()  { return (_features & mfdscr_m) != 0; }
 108   static bool has_vsx()     { return (_features & vsx_m) != 0; }
 109   static bool has_ldbrx()   { return (_features & ldbrx_m) != 0; }
 110   static bool has_stdbrx()  { return (_features & stdbrx_m) != 0; }
 111   static bool has_vshasig() { return (_features & vshasig_m) != 0; }
 112   static bool has_mtfprd()  { return has_vpmsumb(); } // alias for P8
 113 
 114   // Assembler testing
 115   static void allow_all();
 116   static void revert();
 117 
 118   // POWER 8: DSCR current value.
 119   static uint64_t _dscr_val;
 120 };
 121 
 122 #endif // CPU_PPC_VM_VM_VERSION_PPC_HPP
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