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commit 64df73c2ea0e02f7794ba2f08540a74a9bb198db
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Author: Siddhesh Poyarekar <siddhesh@redhat.com>
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Date: Sat Jun 28 06:05:24 2014 +0530
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Fix Wundef warning for MEMCPY_OK_FOR_FWD_MEMMOVE
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Define MEMCPY_OK_FOR_FWD_MEMMOVE in memcopy.h and let arch-specific
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implementations of that file override the value if necessary. This
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override is only useful for tile and moving this macro to memcopy.h
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allows us to remove the tile-specific memmove.c.
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Conflicts:
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sysdeps/tile/tilegx/memmove.c
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Due to copyright header change; file removed manually.
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diff --git a/sysdeps/generic/memcopy.h b/sysdeps/generic/memcopy.h
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index 631214b85ab81d57..08892a4ea33f1ca7 100644
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--- a/sysdeps/generic/memcopy.h
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+++ b/sysdeps/generic/memcopy.h
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@@ -148,4 +148,6 @@ extern void _wordcopy_bwd_dest_aligned (long int, long int, size_t) __THROW;
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/* Threshold value for when to enter the unrolled loops. */
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#define OP_T_THRES 16
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+#define MEMCPY_OK_FOR_FWD_MEMMOVE 0
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+
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#endif /* memcopy.h */
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diff --git a/sysdeps/tile/memcopy.h b/sysdeps/tile/memcopy.h
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index 2bc3fce6864315b8..2876baa0e9f9ab31 100644
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--- a/sysdeps/tile/memcopy.h
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+++ b/sysdeps/tile/memcopy.h
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@@ -19,6 +19,12 @@
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#include <sysdeps/generic/memcopy.h>
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#include <bits/wordsize.h>
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+/* The tilegx implementation of memcpy is safe to use for memmove. */
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+#ifdef __tilegx__
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+# undef MEMCPY_OK_FOR_FWD_MEMMOVE
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+# define MEMCPY_OK_FOR_FWD_MEMMOVE 1
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+#endif
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+
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/* Support more efficient copying on tilegx32, which supports
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long long as a native 64-bit type. */
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#if defined (__tilegx__) && __WORDSIZE == 32
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diff --git a/sysdeps/tile/tilegx/memmove.c b/sysdeps/tile/tilegx/memmove.c
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deleted file mode 100644
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index 0cb0a81e5fd53639..0000000000000000
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--- a/sysdeps/tile/tilegx/memmove.c
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+++ /dev/null
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@@ -1,22 +0,0 @@
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-/* Copy memory to memory until the specified number of bytes
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- has been copied. Overlap is handled correctly.
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- Copyright (C) 2012 Free Software Foundation, Inc.
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- This file is part of the GNU C Library.
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-
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- The GNU C Library is free software; you can redistribute it and/or
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- modify it under the terms of the GNU Lesser General Public
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- License as published by the Free Software Foundation; either
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- version 2.1 of the License, or (at your option) any later version.
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-
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- The GNU C Library is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- Lesser General Public License for more details.
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-
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- You should have received a copy of the GNU Lesser General Public
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- License along with the GNU C Library; if not, see
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- <http://www.gnu.org/licenses/>. */
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-
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-/* The tilegx implementation of memcpy is safe to use for memmove. */
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-#define MEMCPY_OK_FOR_FWD_MEMMOVE 1
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-#include <string/memmove.c>
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