src/cpu/zero/vm/globals_zero.hpp

Wed, 27 Nov 2013 16:16:21 -0800

author
goetz
date
Wed, 27 Nov 2013 16:16:21 -0800
changeset 6490
41b780b43b74
parent 6472
2b8e28fdf503
child 6503
a9becfeecd1b
permissions
-rw-r--r--

8029015: PPC64 (part 216): opto: trap based null and range checks
Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks.
Reviewed-by: kvn

     1 /*
     2  * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
     3  * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
     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  *
    24  */
    26 #ifndef CPU_ZERO_VM_GLOBALS_ZERO_HPP
    27 #define CPU_ZERO_VM_GLOBALS_ZERO_HPP
    29 #include "utilities/globalDefinitions.hpp"
    30 #include "utilities/macros.hpp"
    32 // Set the default values for platform dependent flags used by the
    33 // runtime system.  See globals.hpp for details of what they do.
    35 define_pd_global(bool,  ConvertSleepToYield,  true);
    36 define_pd_global(bool,  ShareVtableStubs,     true);
    37 define_pd_global(bool,  CountInterpCalls,     true);
    38 define_pd_global(bool,  NeedsDeoptSuspend,    false);
    40 define_pd_global(bool,  ImplicitNullChecks,   true);
    41 define_pd_global(bool,  TrapBasedNullChecks,  false);
    42 define_pd_global(bool,  UncommonNullCast,     true);
    44 define_pd_global(intx,  CodeEntryAlignment,   32);
    45 define_pd_global(intx,  OptoLoopAlignment,    16);
    46 define_pd_global(intx,  InlineFrequencyCount, 100);
    47 define_pd_global(intx,  InlineSmallCode,      1000 );
    48 define_pd_global(intx,  PreInflateSpin,       10);
    50 define_pd_global(intx,  StackYellowPages,     2);
    51 define_pd_global(intx,  StackRedPages,        1);
    52 define_pd_global(intx,  StackShadowPages,     5 LP64_ONLY(+1) DEBUG_ONLY(+3));
    54 define_pd_global(bool,  RewriteBytecodes,     true);
    55 define_pd_global(bool,  RewriteFrequentPairs, true);
    57 define_pd_global(bool,  UseMembar,            true);
    59 // GC Ergo Flags
    60 define_pd_global(uintx, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
    62 define_pd_global(uintx, TypeProfileLevel, 0);
    64 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct)
    66 #endif // CPU_ZERO_VM_GLOBALS_ZERO_HPP

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