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[COMMITTED PATCH] tile: use memcpy in memmove when possible
- From: Chris Metcalf <cmetcalf at tilera dot com>
- To: <libc-ports at sourceware dot org>
- Date: Tue, 6 Nov 2012 22:19:31 -0500
- Subject: [COMMITTED PATCH] 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 06f24c2..542fc7f 100644
--- a/ports/ChangeLog.tile
+++ b/ports/ChangeLog.tile
@@ -1,5 +1,7 @@
2012-11-06 Chris Metcalf <cmetcalf@tilera.com>
+ * sysdeps/tile/tilegx/memmove.c: New file.
+
* sysdeps/tile/nptl/pthread_spin_unlock.c: New file.
2012-11-05 Chris Metcalf <cmetcalf@tilera.com>
diff --git a/ports/sysdeps/tile/tilegx/memmove.c b/ports/sysdeps/tile/tilegx/memmove.c
new file mode 100644
index 0000000..0cb0a81
--- /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
+ <http://www.gnu.org/licenses/>. */
+
+/* The tilegx implementation of memcpy is safe to use for memmove. */
+#define MEMCPY_OK_FOR_FWD_MEMMOVE 1
+#include <string/memmove.c>
--
1.7.10.3