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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/config/frv/cmovd.c | |
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Diffstat (limited to 'gcc/config/frv/cmovd.c')
-rw-r--r-- | gcc/config/frv/cmovd.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/config/frv/cmovd.c b/gcc/config/frv/cmovd.c new file mode 100644 index 000000000..e46070aac --- /dev/null +++ b/gcc/config/frv/cmovd.c @@ -0,0 +1,51 @@ +/* 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]; + } +} |