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[glibc.git] / sysdeps / i860 / memcopy.h
blobd381acdaaf5afa02b52eb0edb79940b98991d9d2
1 /* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <sysdeps/generic/memcopy.h>
21 #if 0
22 #undef MERGE
23 /* In order to make this work properly, an 's' constraint need to be added
24 to tm-i860.h, to mean the SC register. */
25 #define MERGE(w0, sh_1, w1, sh_2) \
26 ({ \
27 unsigned int __merge; \
28 asm("shrd %2,%1,%0" : \
29 "=r" (__merge) : \
30 "r" (w0), "r" (w1), "s" (sh_1)); \
31 __merge; \
33 #endif