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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libitm/] [barrier.cc] - Blame information for rev 818

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Line No. Rev Author Line
1 737 jeremybenn
/* Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc.
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   Contributed by Richard Henderson <rth@redhat.com>.
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   This file is part of the GNU Transactional Memory Library (libitm).
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   Libitm is free software; you can redistribute it and/or modify it
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   under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   Libitm is distributed in the hope that it will be useful, but WITHOUT ANY
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   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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   FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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   more details.
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   Under Section 7 of GPL version 3, you are granted additional
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   permissions described in the GCC Runtime Library Exception, version
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   3.1, as published by the Free Software Foundation.
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   You should have received a copy of the GNU General Public License and
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   a copy of the GCC Runtime Library Exception along with this program;
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   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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   <http://www.gnu.org/licenses/>.  */
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#include "libitm_i.h"
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using namespace GTM;
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bool abi_dispatch::memmove_overlap_check(void *dst, const void *src,
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    size_t size, ls_modifier dst_mod, ls_modifier src_mod)
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{
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  if (dst_mod == NONTXNAL || src_mod == NONTXNAL)
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    {
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      if (((uintptr_t)dst <= (uintptr_t)src ?
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          (uintptr_t)dst + size > (uintptr_t)src :
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          (uintptr_t)src + size > (uintptr_t)dst))
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        GTM::GTM_fatal("_ITM_memmove overlapping and t/nt is not allowed");
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      return false;
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    }
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  return true;
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}
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CREATE_DISPATCH_FUNCTIONS(GTM::abi_disp()->, )
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