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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgcc/] [config/] [frv/] [cmovh.c] - Rev 818
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/* Move half-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 __cmovh (short *dest, const short *src, unsigned len) { unsigned i; unsigned num = len >> 1; 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]; if ((len & 1) != 0) dest_byte[len-1] = src_byte[len-1]; } else { while (len-- > 0) dest_byte[len] = src_byte[len]; } }
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