1 /*
2 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
26 #define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
27
28 // Size of Sparc Instructions
29 const int BytesPerInstWord = 4;
30
31 const int StackAlignmentInBytes = (2*wordSize);
32
33 // Indicates whether the C calling conventions require that
34 // 32-bit integer argument values are properly extended to 64 bits.
35 // If set, SharedRuntime::c_calling_convention() must adapt
36 // signatures accordingly.
37 const bool CCallingConventionRequiresIntsAsLongs = false;
38
39 #define SUPPORTS_NATIVE_CX8
40
41 // The expected size in bytes of a cache line, used to pad data structures.
42 #if defined(TIERED)
43 #ifdef _LP64
44 // tiered, 64-bit, large machine
45 #define DEFAULT_CACHE_LINE_SIZE 128
46 #else
47 // tiered, 32-bit, medium machine
48 #define DEFAULT_CACHE_LINE_SIZE 64
49 #endif
50 #elif defined(COMPILER1)
51 // pure C1, 32-bit, small machine
52 #define DEFAULT_CACHE_LINE_SIZE 16
53 #elif defined(COMPILER2) || defined(SHARK)
54 #ifdef _LP64
55 // pure C2, 64-bit, large machine
56 #define DEFAULT_CACHE_LINE_SIZE 128
57 #else
58 // pure C2, 32-bit, medium machine
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1 /*
2 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
26 #define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
27
28 // Size of Sparc Instructions
29 const int BytesPerInstWord = 4;
30
31 const int StackAlignmentInBytes = (2*wordSize);
32
33 #define SUPPORTS_NATIVE_CX8
34
35 // The expected size in bytes of a cache line, used to pad data structures.
36 #if defined(TIERED)
37 #ifdef _LP64
38 // tiered, 64-bit, large machine
39 #define DEFAULT_CACHE_LINE_SIZE 128
40 #else
41 // tiered, 32-bit, medium machine
42 #define DEFAULT_CACHE_LINE_SIZE 64
43 #endif
44 #elif defined(COMPILER1)
45 // pure C1, 32-bit, small machine
46 #define DEFAULT_CACHE_LINE_SIZE 16
47 #elif defined(COMPILER2) || defined(SHARK)
48 #ifdef _LP64
49 // pure C2, 64-bit, large machine
50 #define DEFAULT_CACHE_LINE_SIZE 128
51 #else
52 // pure C2, 32-bit, medium machine
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