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dnl AMD K6-2 mpn_com_n -- mpn bitwise one's complement.
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dnl alignment dst/src, A=0mod8 N=4mod8
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dnl K6-2 1.0 1.18 1.18 1.18 cycles/limb
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dnl K6 1.5 1.85 1.75 1.85
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dnl Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl The GNU MP Library is free software; you can redistribute it and/or
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dnl modify it under the terms of the GNU Lesser General Public License as
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dnl published by the Free Software Foundation; either version 2.1 of the
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dnl License, or (at your option) any later version.
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dnl The GNU MP Library is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl Lesser General Public License for more details.
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dnl You should have received a copy of the GNU Lesser General Public
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dnl License along with the GNU MP Library; see the file COPYING.LIB. If
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dnl not, write to the Free Software Foundation, Inc., 59 Temple Place -
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dnl Suite 330, Boston, MA 02111-1307, USA.
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include(`../config.m4')
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C void mpn_com_n (mp_ptr dst, mp_srcptr src, mp_size_t size);
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C Take the bitwise ones-complement of src,size and write it to dst,size.
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defframe(PARAM_SIZE,12)
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defframe(PARAM_SRC, 8)
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defframe(PARAM_DST, 4)
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pcmpeqd %mm7, %mm7 C all ones
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movq -8(%eax,%ecx,8), %mm0
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movq %mm0, -8(%edx,%ecx,8)
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movl (%eax,%ebx,8), %eax
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movl %eax, (%edx,%ebx,8)