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glibc  2.9
memcopy.h
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00001 /* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <sysdeps/generic/memcopy.h>
00020 
00021 #if 0
00022 #undef MERGE
00023 /* In order to make this work properly, an 's' constraint need to be added
00024    to tm-i860.h, to mean the SC register.  */
00025 #define MERGE(w0, sh_1, w1, sh_2)                                    \
00026   ({                                                                 \
00027     unsigned int __merge;                                            \
00028     asm("shrd %2,%1,%0" :                                            \
00029        "=r" (__merge) :                                              \
00030        "r" (w0), "r" (w1), "s" (sh_1));                              \
00031     __merge;                                                         \
00032   })
00033 #endif