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 modify
8
dnl it under the terms of either:
10
dnl * the GNU Lesser General Public License as published by the Free
11
dnl Software Foundation; either version 3 of the License, or (at your
12
dnl option) any later version.
16
dnl * the GNU General Public License as published by the Free Software
17
dnl Foundation; either version 2 of the License, or (at your option) any
20
dnl or both in parallel, as here.
22
dnl The GNU MP Library is distributed in the hope that it will be useful, but
23
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
24
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
27
dnl You should have received copies of the GNU General Public License and the
28
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
29
dnl see https://www.gnu.org/licenses/.
31
include(`../config.m4')
34
C P55: hamdist 12.0 cycles/limb
36
C For reference, this code runs at 11.5 cycles/limb for popcount, which is
37
C slower than the plain integer mpn/x86/pentium/popcount.asm.
39
MULFUNC_PROLOGUE(mpn_hamdist)
40
include_mpn(`x86/k6/mmx/popham.asm')