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I've moved the macro definition to memcopy.h with tile overriding the definition in its memcopy.h. This also allows us to get rid of the tile-specific memmove.c. The tile bit is untested, so I'll need Chris to verify that it doesn't cause any problems. The code is unchanged on x86_64. Siddhesh * sysdeps/generic/memcopy.h: Define MEMCPY_OK_FOR_FWD_MEMMOVE. * sysdeps/tile/memcopy.h: Redefine MEMCPY_OK_FOR_FWD_MEMMOVE. * sysdeps/tile/tilegx/memmove.c: Remove file. diff --git a/sysdeps/generic/memcopy.h b/sysdeps/generic/memcopy.h index 49e5363..b39a960 100644 --- a/sysdeps/generic/memcopy.h +++ b/sysdeps/generic/memcopy.h @@ -148,4 +148,6 @@ extern void _wordcopy_bwd_dest_aligned (long int, long int, size_t) __THROW; /* Threshold value for when to enter the unrolled loops. */ #define OP_T_THRES 16 +#define MEMCPY_OK_FOR_FWD_MEMMOVE 0 + #endif /* memcopy.h */ diff --git a/sysdeps/tile/memcopy.h b/sysdeps/tile/memcopy.h index e8326ee..b8ea16a 100644 --- a/sysdeps/tile/memcopy.h +++ b/sysdeps/tile/memcopy.h @@ -19,6 +19,8 @@ #include <sysdeps/generic/memcopy.h> #include <bits/wordsize.h> +#undef MEMCPY_OK_FOR_FWD_MEMMOVE +#define MEMCPY_OK_FOR_FWD_MEMMOVE 1 /* Support more efficient copying on tilegx32, which supports long long as a native 64-bit type. */ #if defined (__tilegx__) && __WORDSIZE == 32 diff --git a/sysdeps/tile/tilegx/memmove.c b/sysdeps/tile/tilegx/memmove.c deleted file mode 100644 index 38323ce..0000000 --- a/sysdeps/tile/tilegx/memmove.c +++ /dev/null @@ -1,22 +0,0 @@ -/* Copy memory to memory until the specified number of bytes - has been copied. Overlap is handled correctly. - Copyright (C) 2012-2014 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>
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