src/cpu/x86/vm/globals_x86.hpp

Tue, 23 Feb 2010 17:46:29 +0100

author
twisti
date
Tue, 23 Feb 2010 17:46:29 +0100
changeset 1712
855c5171834c
parent 1499
473cce303f13
child 1800
6476042f815c
permissions
-rw-r--r--

6928839: JSR 292 typo in x86 _adapter_check_cast
Summary: There is a small typo in methodHandles_x86.cpp.
Reviewed-by: kvn

     1 /*
     2  * Copyright 2000-2009 Sun Microsystems, Inc.  All Rights Reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  *
    23  */
    25 // Sets the default values for platform dependent flags used by the runtime system.
    26 // (see globals.hpp)
    28 define_pd_global(bool, ConvertSleepToYield,      true);
    29 define_pd_global(bool, ShareVtableStubs,         true);
    30 define_pd_global(bool, CountInterpCalls,         true);
    31 define_pd_global(bool, NeedsDeoptSuspend,        false); // only register window machines need this
    33 define_pd_global(bool, ImplicitNullChecks,       true);  // Generate code for implicit null checks
    34 define_pd_global(bool, UncommonNullCast,         true);  // Uncommon-trap NULLs past to check cast
    36 // See 4827828 for this change. There is no globals_core_i486.hpp. I can't
    37 // assign a different value for C2 without touching a number of files. Use
    38 // #ifdef to minimize the change as it's late in Mantis. -- FIXME.
    39 // c1 doesn't have this problem because the fix to 4858033 assures us
    40 // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns
    41 // the uep and the vep doesn't get real alignment but just slops on by
    42 // only assured that the entry instruction meets the 5 byte size requirement.
    43 #ifdef COMPILER2
    44 define_pd_global(intx, CodeEntryAlignment,       32);
    45 #else
    46 define_pd_global(intx, CodeEntryAlignment,       16);
    47 #endif // COMPILER2
    48 define_pd_global(intx, InlineFrequencyCount,     100);
    49 define_pd_global(intx, InlineSmallCode,          1000);
    51 define_pd_global(intx, StackYellowPages, 2);
    52 define_pd_global(intx, StackRedPages, 1);
    53 #ifdef AMD64
    54 // Very large C++ stack frames using solaris-amd64 optimized builds
    55 // due to lack of optimization caused by C++ compiler bugs
    56 define_pd_global(intx, StackShadowPages, SOLARIS_ONLY(20) NOT_SOLARIS(6) DEBUG_ONLY(+2));
    57 #else
    58 define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1));
    59 #endif // AMD64
    61 define_pd_global(intx, PreInflateSpin,           10);
    63 define_pd_global(bool, RewriteBytecodes,     true);
    64 define_pd_global(bool, RewriteFrequentPairs, true);

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