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Diffstat (limited to 'libitm/memset.cc')
-rw-r--r-- | libitm/memset.cc | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/libitm/memset.cc b/libitm/memset.cc deleted file mode 100644 index 3a627dd..0000000 --- a/libitm/memset.cc +++ /dev/null @@ -1,78 +0,0 @@ -/* Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - 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/>. */ - -#include "libitm_i.h" - -using namespace GTM; - -static void -do_memset(uintptr_t idst, int c, size_t size, abi_dispatch::lock_type W) -{ - abi_dispatch *disp = abi_disp(); - uintptr_t dofs = idst & (CACHELINE_SIZE - 1); - abi_dispatch::mask_pair dpair; - gtm_cacheline *dst - = reinterpret_cast<gtm_cacheline *>(idst & -CACHELINE_SIZE); - - if (size == 0) - return; - - if (dofs != 0) - { - size_t dleft = CACHELINE_SIZE - dofs; - size_t min = (size <= dleft ? size : dleft); - - dpair = disp->write_lock(dst, W); - *dpair.mask |= (((gtm_cacheline_mask)1 << min) - 1) << dofs; - memset (&dpair.line->b[dofs], c, min); - dst++; - size -= min; - } - - while (size >= CACHELINE_SIZE) - { - dpair = disp->write_lock(dst, W); - *dpair.mask = -1; - memset (dpair.line, c, CACHELINE_SIZE); - dst++; - size -= CACHELINE_SIZE; - } - - if (size != 0) - { - dpair = disp->write_lock(dst, W); - *dpair.mask |= ((gtm_cacheline_mask)1 << size) - 1; - memset (dpair.line, c, size); - } -} - -#define ITM_MEM_DEF(WRITE) \ -void ITM_REGPARM _ITM_memset##WRITE(void *dst, int c, size_t size) \ -{ \ - do_memset ((uintptr_t)dst, c, size, abi_dispatch::WRITE); \ -} - -ITM_MEM_DEF(W) -ITM_MEM_DEF(WaR) -ITM_MEM_DEF(WaW) |