2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
\r
4 * This file is part of CasparCG.
\r
6 * CasparCG is free software: you can redistribute it and/or modify
\r
7 * it under the terms of the GNU General Public License as published by
\r
8 * the Free Software Foundation, either version 3 of the License, or
\r
9 * (at your option) any later version.
\r
11 * CasparCG is distributed in the hope that it will be useful,
\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
14 * GNU General Public License for more details.
\r
16 * You should have received a copy of the GNU General Public License
\r
17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
\r
28 static void* fast_memclr(void* dest, size_t count)
\r
31 return memset(dest, 0, count);
\r
33 assert(dest != nullptr);
\r
35 size_t rest = count % 128;
\r
46 movntdq [edi+00h], xmm0;
\r
47 movntdq [edi+10h], xmm0;
\r
48 movntdq [edi+20h], xmm0;
\r
49 movntdq [edi+30h], xmm0;
\r
51 movntdq [edi+40h], xmm0;
\r
52 movntdq [edi+50h], xmm0;
\r
53 movntdq [edi+60h], xmm0;
\r
54 movntdq [edi+70h], xmm0;
\r
56 lea edi, [edi+80h];
\r
61 return memset(reinterpret_cast<char*>(dest)+count, 0, rest);
\r