1 /* Move double-word library function.
2 Copyright (C) 2000 Free Software Foundation, Inc.
3 Contributed by Red Hat, Inc.
5 This file is part of GNU CC.
7 GNU CC is free software ; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation * either version 2, or (at your option)
12 GNU CC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY ; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
23 __cmovd (long long *dest
, const long long *src
, unsigned len
)
26 unsigned num
= len
>> 3;
27 unsigned xlen
= len
& ~7;
28 char *dest_byte
= (char *)dest
;
29 const char *src_byte
= (const char *)src
;
31 if (dest_byte
< src_byte
|| dest_byte
> src_byte
+len
)
33 for (i
= 0; i
< num
; i
++)
38 dest_byte
[xlen
] = src_byte
[xlen
];
45 dest_byte
[len
] = src_byte
[len
];