1 /*
2 * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2015 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 *
24 */
25
26 #ifndef CPU_PPC_VM_GLOBALS_PPC_HPP
27 #define CPU_PPC_VM_GLOBALS_PPC_HPP
28
29 #include "utilities/globalDefinitions.hpp"
30 #include "utilities/macros.hpp"
31
32 // Sets the default values for platform dependent flags used by the runtime system.
33 // (see globals.hpp)
34
35 define_pd_global(bool, ConvertSleepToYield, true);
36 define_pd_global(bool, ShareVtableStubs, false); // Improves performance markedly for mtrt and compress.
37 define_pd_global(bool, NeedsDeoptSuspend, false); // Only register window machines need this.
38
39
40 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks.
41 define_pd_global(bool, TrapBasedNullChecks, true);
42 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs passed to check cast.
43
44 #define DEFAULT_STACK_YELLOW_PAGES (6)
45 #define DEFAULT_STACK_RED_PAGES (1)
46 #define DEFAULT_STACK_SHADOW_PAGES (6 DEBUG_ONLY(+2))
47 #define DEFAULT_STACK_RESERVED_PAGES (0)
48
49 #define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
50 #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
51 #define MIN_STACK_SHADOW_PAGES (3 DEBUG_ONLY(+1))
52 #define MIN_STACK_RESERVED_PAGES (0)
53
54 define_pd_global(intx, StackYellowPages, DEFAULT_STACK_YELLOW_PAGES);
55 define_pd_global(intx, StackRedPages, DEFAULT_STACK_RED_PAGES);
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1 /*
2 * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2015 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 *
24 */
25
26 #ifndef CPU_PPC_VM_GLOBALS_PPC_HPP
27 #define CPU_PPC_VM_GLOBALS_PPC_HPP
28
29 #include "utilities/globalDefinitions.hpp"
30 #include "utilities/macros.hpp"
31
32 // Sets the default values for platform dependent flags used by the runtime system.
33 // (see globals.hpp)
34
35 define_pd_global(bool, ShareVtableStubs, false); // Improves performance markedly for mtrt and compress.
36 define_pd_global(bool, NeedsDeoptSuspend, false); // Only register window machines need this.
37
38
39 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks.
40 define_pd_global(bool, TrapBasedNullChecks, true);
41 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs passed to check cast.
42
43 #define DEFAULT_STACK_YELLOW_PAGES (6)
44 #define DEFAULT_STACK_RED_PAGES (1)
45 #define DEFAULT_STACK_SHADOW_PAGES (6 DEBUG_ONLY(+2))
46 #define DEFAULT_STACK_RESERVED_PAGES (0)
47
48 #define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
49 #define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
50 #define MIN_STACK_SHADOW_PAGES (3 DEBUG_ONLY(+1))
51 #define MIN_STACK_RESERVED_PAGES (0)
52
53 define_pd_global(intx, StackYellowPages, DEFAULT_STACK_YELLOW_PAGES);
54 define_pd_global(intx, StackRedPages, DEFAULT_STACK_RED_PAGES);
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