1 dnl AMD K6-2 mpn_com_n -- mpn bitwise one's complement.
3 dnl alignment dst/src, A=0mod8 N=4mod8
5 dnl K6-2 1.0 1.18 1.18 1.18 cycles/limb
6 dnl K6 1.5 1.85 1.75 1.85
9 dnl Copyright (C) 1999, 2000 Free Software Foundation, Inc.
11 dnl This file is part of the GNU MP Library.
13 dnl The GNU MP Library is free software; you can redistribute it and/or
14 dnl modify it under the terms of the GNU Lesser General Public License as
15 dnl published by the Free Software Foundation; either version 2.1 of the
16 dnl License, or (at your option) any later version.
18 dnl The GNU MP Library is distributed in the hope that it will be useful,
19 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
20 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 dnl Lesser General Public License for more details.
23 dnl You should have received a copy of the GNU Lesser General Public
24 dnl License along with the GNU MP Library; see the file COPYING.LIB. If
25 dnl not, write to the Free Software Foundation, Inc., 59 Temple Place -
26 dnl Suite 330, Boston, MA 02111-1307, USA.
29 include(`../config.m4')
32 C void mpn_com_n (mp_ptr dst, mp_srcptr src, mp_size_t size);
34 C Take the bitwise ones-complement of src,size and write it to dst,size.
36 defframe(PARAM_SIZE,12)
37 defframe(PARAM_SRC, 8)
38 defframe(PARAM_DST, 4)
62 pcmpeqd %mm7, %mm7 C all ones
75 movq -8(%eax,%ecx,8), %mm0
77 movq %mm0, -8(%edx,%ecx,8)
82 movl (%eax,%ebx,8), %eax
84 movl %eax, (%edx,%ebx,8)