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src/cpu/ppc/vm/vm_version_ppc.hpp

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rev 13142 : 8181809: PPC64: Leverage mtfprd/mffprd on POWER8
Reviewed-by: mdoerr, simonis
Contributed-by: Matthew Brandyberry <mbrandy@linux.vnet.ibm.com>
   1 /*
   2  * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2012, 2016 SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *


  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 
 110   // Assembler testing
 111   static void allow_all();
 112   static void revert();
 113 
 114   // POWER 8: DSCR current value.
 115   static uint64_t _dscr_val;
 116 };
 117 
 118 #endif // CPU_PPC_VM_VM_VERSION_PPC_HPP
   1 /*
   2  * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2012, 2017 SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *


  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
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