< prev index next >

src/cpu/ppc/vm/globals_ppc.hpp

Print this page


   1 /*
   2  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2012, 2013 SAP AG. 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  *


  63 define_pd_global(uintx, TypeProfileLevel, 0);
  64 
  65 // Platform dependent flag handling: flags only defined on this platform.
  66 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct)  \
  67                                                                             \
  68   /* Load poll address from thread. This is used to implement per-thread */ \
  69   /* safepoints on platforms != IA64. */                                    \
  70   product(bool, LoadPollAddressFromThread, false,                           \
  71           "Load polling page address from thread object (required for "     \
  72           "per-thread safepoints on platforms != IA64)")                    \
  73                                                                             \
  74   product(uintx, PowerArchitecturePPC64, 0,                                 \
  75           "CPU Version: x for PowerX. Currently recognizes Power5 to "      \
  76           "Power7. Default is 0. CPUs newer than Power7 will be "           \
  77           "recognized as Power7.")                                          \
  78                                                                             \
  79   /* Reoptimize code-sequences of calls at runtime, e.g. replace an */      \
  80   /* indirect call by a direct call.                                */      \
  81   product(bool, ReoptimizeCallSequences, true,                              \
  82           "Reoptimize code-sequences of calls at runtime.")                 \













  83                                                                             \
  84   product(bool, UseLoadInstructionsForStackBangingPPC64, false,             \
  85           "Use load instructions for stack banging.")                       \
  86                                                                             \
  87   /* special instructions */                                                \
  88                                                                             \
  89   product(bool, UseCountLeadingZerosInstructionsPPC64, true,                \
  90           "Use count leading zeros instructions.")                          \
  91                                                                             \
  92   product(bool, UseExtendedLoadAndReserveInstructionsPPC64, false,          \
  93           "Use extended versions of load-and-reserve instructions.")        \
  94                                                                             \
  95   product(bool, UseRotateAndMaskInstructionsPPC64, true,                    \
  96           "Use rotate and mask instructions.")                              \
  97                                                                             \
  98   product(bool, UseStaticBranchPredictionInCompareAndSwapPPC64, true,       \
  99           "Use static branch prediction hints in CAS operations.")          \
 100   product(bool, UseStaticBranchPredictionForUncommonPathsPPC64, false,      \
 101           "Use static branch prediction hints for uncommon paths.")         \
 102                                                                             \


   1 /*
   2  * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2012, 2018 SAP AG. 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  *


  63 define_pd_global(uintx, TypeProfileLevel, 0);
  64 
  65 // Platform dependent flag handling: flags only defined on this platform.
  66 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct)  \
  67                                                                             \
  68   /* Load poll address from thread. This is used to implement per-thread */ \
  69   /* safepoints on platforms != IA64. */                                    \
  70   product(bool, LoadPollAddressFromThread, false,                           \
  71           "Load polling page address from thread object (required for "     \
  72           "per-thread safepoints on platforms != IA64)")                    \
  73                                                                             \
  74   product(uintx, PowerArchitecturePPC64, 0,                                 \
  75           "CPU Version: x for PowerX. Currently recognizes Power5 to "      \
  76           "Power7. Default is 0. CPUs newer than Power7 will be "           \
  77           "recognized as Power7.")                                          \
  78                                                                             \
  79   /* Reoptimize code-sequences of calls at runtime, e.g. replace an */      \
  80   /* indirect call by a direct call.                                */      \
  81   product(bool, ReoptimizeCallSequences, true,                              \
  82           "Reoptimize code-sequences of calls at runtime.")                 \
  83                                                                             \
  84   /* Power 8: Configure Data Stream Control Register. */                    \
  85   product(uint64_t,DSCR_PPC64, (uintx)-1,                                   \
  86           "Power8 or later: Specify encoded value for Data Stream Control " \
  87           "Register")                                                       \
  88   product(uint64_t,DSCR_DPFD_PPC64, 8,                                      \
  89           "Power8 or later: DPFD (default prefetch depth) value of the "    \
  90           "Data Stream Control Register."                                   \
  91           " 0: hardware default, 1: none, 2-7: min-max, 8: don't touch")    \
  92   product(uint64_t,DSCR_URG_PPC64, 8,                                       \
  93           "Power8 or later: URG (depth attainment urgency) value of the "   \
  94           "Data Stream Control Register."                                   \
  95           " 0: hardware default, 1: none, 2-7: min-max, 8: don't touch")    \
  96                                                                             \
  97   product(bool, UseLoadInstructionsForStackBangingPPC64, false,             \
  98           "Use load instructions for stack banging.")                       \
  99                                                                             \
 100   /* special instructions */                                                \
 101                                                                             \
 102   product(bool, UseCountLeadingZerosInstructionsPPC64, true,                \
 103           "Use count leading zeros instructions.")                          \
 104                                                                             \
 105   product(bool, UseExtendedLoadAndReserveInstructionsPPC64, false,          \
 106           "Use extended versions of load-and-reserve instructions.")        \
 107                                                                             \
 108   product(bool, UseRotateAndMaskInstructionsPPC64, true,                    \
 109           "Use rotate and mask instructions.")                              \
 110                                                                             \
 111   product(bool, UseStaticBranchPredictionInCompareAndSwapPPC64, true,       \
 112           "Use static branch prediction hints in CAS operations.")          \
 113   product(bool, UseStaticBranchPredictionForUncommonPathsPPC64, false,      \
 114           "Use static branch prediction hints for uncommon paths.")         \
 115                                                                             \


< prev index next >