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Diffstat (limited to 'contrib/gcc/config/frv/cmovd.c')
-rw-r--r-- | contrib/gcc/config/frv/cmovd.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/contrib/gcc/config/frv/cmovd.c b/contrib/gcc/config/frv/cmovd.c new file mode 100644 index 0000000..11b50ba --- /dev/null +++ b/contrib/gcc/config/frv/cmovd.c @@ -0,0 +1,47 @@ +/* Move double-word library function. + Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by Red Hat, Inc. + + This file is part of GNU CC. + + GNU CC 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 2, or (at your option) + any later version. + + GNU CC 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. + + You should have received a copy of the GNU General Public License + along with GNU CC; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +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]; + } +} |