1 dnl Intel P55 mpn_hamdist -- mpn hamming distance.
3 dnl Copyright 2000, 2002 Free Software Foundation, Inc.
5 dnl This file is part of the GNU MP Library.
7 dnl The GNU MP Library is free software; you can redistribute it and/or
8 dnl modify it under the terms of the GNU Lesser General Public License as
9 dnl published by the Free Software Foundation; either version 3 of the
10 dnl License, or (at your option) any later version.
12 dnl The GNU MP Library is distributed in the hope that it will be useful,
13 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
14 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 dnl Lesser General Public License for more details.
17 dnl You should have received a copy of the GNU Lesser General Public License
18 dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
20 include(`../config.m4')
23 C P55: hamdist 12.0 cycles/limb
25 C For reference, this code runs at 11.5 cycles/limb for popcount, which is
26 C slower than the plain integer mpn/x86/pentium/popcount.asm.
28 MULFUNC_PROLOGUE(mpn_hamdist)
29 include_mpn(`x86/k6/mmx/popham.asm')