From fdf689a977fe4d11d61b67e47dc3a2884cec996f Mon Sep 17 00:00:00 2001 From: Chris Metcalf Date: Tue, 6 Nov 2012 22:19:31 -0500 Subject: tile: use memcpy in memmove when possible --- ports/ChangeLog.tile | 2 ++ ports/sysdeps/tile/tilegx/memmove.c | 22 ++++++++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100644 ports/sysdeps/tile/tilegx/memmove.c diff --git a/ports/ChangeLog.tile b/ports/ChangeLog.tile index 06f24c27e9..542fc7f4a6 100644 --- a/ports/ChangeLog.tile +++ b/ports/ChangeLog.tile @@ -1,5 +1,7 @@ 2012-11-06 Chris Metcalf + * sysdeps/tile/tilegx/memmove.c: New file. + * sysdeps/tile/nptl/pthread_spin_unlock.c: New file. 2012-11-05 Chris Metcalf diff --git a/ports/sysdeps/tile/tilegx/memmove.c b/ports/sysdeps/tile/tilegx/memmove.c new file mode 100644 index 0000000000..0cb0a81e5f --- /dev/null +++ b/ports/sysdeps/tile/tilegx/memmove.c @@ -0,0 +1,22 @@ +/* Copy memory to memory until the specified number of bytes + has been copied. Overlap is handled correctly. + Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +/* The tilegx implementation of memcpy is safe to use for memmove. */ +#define MEMCPY_OK_FOR_FWD_MEMMOVE 1 +#include -- cgit 1.4.1