| /* |
| * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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| */ |
| |
| #ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP |
| #define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP |
| |
| // Size of Sparc Instructions |
| const int BytesPerInstWord = 4; |
| |
| const int StackAlignmentInBytes = (2*wordSize); |
| |
| // Indicates whether the C calling conventions require that |
| // 32-bit integer argument values are extended to 64 bits. |
| const bool CCallingConventionRequiresIntsAsLongs = true; |
| |
| #define SUPPORTS_NATIVE_CX8 |
| |
| // The expected size in bytes of a cache line, used to pad data structures. |
| #if defined(TIERED) |
| // tiered, 64-bit, large machine |
| #define DEFAULT_CACHE_LINE_SIZE 128 |
| #elif defined(COMPILER1) |
| // pure C1, 32-bit, small machine |
| #define DEFAULT_CACHE_LINE_SIZE 16 |
| #elif defined(COMPILER2) |
| // pure C2, 64-bit, large machine |
| #define DEFAULT_CACHE_LINE_SIZE 128 |
| #endif |
| |
| #if defined(SOLARIS) |
| #define SUPPORT_RESERVED_STACK_AREA |
| #endif |
| |
| // SPARC have implemented the local polling |
| #define THREAD_LOCAL_POLL |
| |
| #endif // CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP |
