/* * Copyright (c) 1999, 2019, 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 * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP #define CPU_SPARC_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 #define CPU_MULTI_COPY_ATOMIC // 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 #define OM_CACHE_LINE_SIZE 64 #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 #define OM_CACHE_LINE_SIZE 64 #endif #if defined(SOLARIS) #define SUPPORT_RESERVED_STACK_AREA #endif // SPARC have implemented the local polling #define THREAD_LOCAL_POLL #endif // CPU_SPARC_GLOBALDEFINITIONS_SPARC_HPP