globalDefinitions_ppc.hpp revision 10049:73443d24e529 
1/*
2 * Copyright (c) 1999, 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
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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24 */
25
26#ifndef CPU_PPC_VM_GLOBALDEFINITIONS_PPC_HPP
27#define CPU_PPC_VM_GLOBALDEFINITIONS_PPC_HPP
28
29#ifdef CC_INTERP
30#error "CC_INTERP is no longer supported. Removed in change 8145117."
31#endif
32
33// Size of PPC Instructions
34const int BytesPerInstWord = 4;
35
36const int StackAlignmentInBytes = 16;
37
38// Indicates whether the C calling conventions require that
39// 32-bit integer argument values are extended to 64 bits.
40const bool CCallingConventionRequiresIntsAsLongs = true;
41
42#define SUPPORTS_NATIVE_CX8
43
44// The PPC CPUs are NOT multiple-copy-atomic.
45#define CPU_NOT_MULTIPLE_COPY_ATOMIC
46
47// The expected size in bytes of a cache line, used to pad data structures.
48#define DEFAULT_CACHE_LINE_SIZE 128
49
50#if defined(COMPILER2) && defined(AIX)
51// Include Transactional Memory lock eliding optimization
52#define INCLUDE_RTM_OPT 1
53#endif
54
55#endif // CPU_PPC_VM_GLOBALDEFINITIONS_PPC_HPP
56