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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libgcc/config/frv/cmovh.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libgcc/config/frv/cmovh.c')
-rw-r--r-- | gcc-4.9/libgcc/config/frv/cmovh.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/frv/cmovh.c b/gcc-4.9/libgcc/config/frv/cmovh.c new file mode 100644 index 000000000..531e7aad5 --- /dev/null +++ b/gcc-4.9/libgcc/config/frv/cmovh.c @@ -0,0 +1,47 @@ +/* Move half-word library function. + Copyright (C) 2000-2014 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]; + } +} |