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/* Copyright (C) 2012 Free Software Foundation, Inc. This file is part of the GNU Transactional Memory Library (libitm). Libitm is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Libitm 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 for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ #ifndef LIBITM_SPARC_CACHELINE_H #define LIBITM_SPARC_CACHELINE_H 1 // A cacheline is the smallest unit with which locks are associated. // The current implementation of the _ITM_[RW] barriers assumes that // all data types can fit (aligned) within a cachline, which means // in practice sizeof(complex long double) is the smallest cacheline size. // It ought to be small enough for efficient manipulation of the // modification mask, below. #ifdef __arch64__ # define CACHELINE_SIZE 64 #else # define CACHELINE_SIZE 32 #endif #include "config/generic/cacheline.h" #endif // LIBITM_SPARC_CACHELINE_H