Mercurial > hg > CbC > CbC_gcc
view gcc/config/frv/cmovd.c @ 8:5066dc73ff8f
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Thu, 20 Aug 2009 19:10:35 +0900 |
parents | a06113de4d67 |
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/* Move double-word library function. Copyright (C) 2000, 2003, 2009 Free Software Foundation, Inc. Contributed by Red Hat, Inc. This file is part of GCC. GCC 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, or (at your option) any later version. GCC 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/>. */ void __cmovd (long long *dest, const long long *src, unsigned len) { unsigned i; unsigned num = len >> 3; unsigned xlen = len & ~7; char *dest_byte = (char *)dest; const char *src_byte = (const char *)src; if (dest_byte < src_byte || dest_byte > src_byte+len) { for (i = 0; i < num; i++) dest[i] = src[i]; while (len > xlen) { dest_byte[xlen] = src_byte[xlen]; xlen++; } } else { while (len-- > 0) dest_byte[len] = src_byte[len]; } }