From 433b6bacf03b7934374dec5c439b6439a48dc1c2 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 12 Apr 1991 22:08:09 +0000 Subject: [PATCH] Initial revision --- sysdeps/i860/memcopy.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 sysdeps/i860/memcopy.h diff --git a/sysdeps/i860/memcopy.h b/sysdeps/i860/memcopy.h new file mode 100644 index 0000000000..32d56ed990 --- /dev/null +++ b/sysdeps/i860/memcopy.h @@ -0,0 +1,32 @@ +/* Copyright (C) 1991 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 General Public License as published by +the Free Software Foundation; either version 1, 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with the GNU C Library; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include + +#if 0 +#undef MERGE +/* In order to make this work properly, an 's' constraint need to be added + to tm-i860.h, to mean the SC register. */ +#define MERGE(w0, sh_1, w1, sh_2) \ + ({ \ + unsigned int __merge; \ + asm("shrd %2,%1,%0" : \ + "=r" (__merge) : \ + "r" (w0), "r" (w1), "s" (sh_1)); \ + __merge; \ + }) +#endif -- 2.43.5