2018-07-03 22:03:34 +02:00
|
|
|
dnl AMD64 mpn_hamdist -- hamming distance.
|
|
|
|
|
|
2020-07-11 13:28:52 +02:00
|
|
|
dnl Copyright 2008, 2010-2012, 2017 Free Software Foundation, Inc.
|
2018-07-03 22:03:34 +02:00
|
|
|
|
|
|
|
|
dnl This file is part of the GNU MP Library.
|
|
|
|
|
dnl
|
|
|
|
|
dnl The GNU MP Library is free software; you can redistribute it and/or modify
|
|
|
|
|
dnl it under the terms of either:
|
|
|
|
|
dnl
|
|
|
|
|
dnl * the GNU Lesser General Public License as published by the Free
|
|
|
|
|
dnl Software Foundation; either version 3 of the License, or (at your
|
|
|
|
|
dnl option) any later version.
|
|
|
|
|
dnl
|
|
|
|
|
dnl or
|
|
|
|
|
dnl
|
|
|
|
|
dnl * the GNU General Public License as published by the Free Software
|
|
|
|
|
dnl Foundation; either version 2 of the License, or (at your option) any
|
|
|
|
|
dnl later version.
|
|
|
|
|
dnl
|
|
|
|
|
dnl or both in parallel, as here.
|
|
|
|
|
dnl
|
|
|
|
|
dnl The GNU MP Library is distributed in the hope that it will be useful, but
|
|
|
|
|
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
|
|
|
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
|
|
dnl for more details.
|
|
|
|
|
dnl
|
|
|
|
|
dnl You should have received copies of the GNU General Public License and the
|
|
|
|
|
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
|
|
|
|
|
dnl see https://www.gnu.org/licenses/.
|
|
|
|
|
|
|
|
|
|
include(`../config.m4')
|
|
|
|
|
|
2020-07-11 13:28:52 +02:00
|
|
|
C cycles/limb
|
|
|
|
|
C AMD K8,K9 -
|
|
|
|
|
C AMD K10 2.0 =
|
|
|
|
|
C AMD bd1 ~4.4 =
|
|
|
|
|
C AMD bd2 ~4.4 =
|
|
|
|
|
C AMD bd3
|
|
|
|
|
C AMD bd4
|
|
|
|
|
C AMD bobcat 7.55 =
|
|
|
|
|
C AMD jaguar 2.52 -
|
|
|
|
|
C Intel P4 -
|
|
|
|
|
C Intel core2 -
|
|
|
|
|
C Intel NHM 2.03 +
|
|
|
|
|
C Intel SBR 2.01 +
|
|
|
|
|
C Intel IBR 1.96 +
|
|
|
|
|
C Intel HWL 1.64 =
|
|
|
|
|
C Intel BWL 1.56 -
|
|
|
|
|
C Intel SKL 1.52 =
|
|
|
|
|
C Intel atom
|
|
|
|
|
C Intel SLM 3.0 -
|
|
|
|
|
C VIA nano
|
2018-07-03 22:03:34 +02:00
|
|
|
|
|
|
|
|
define(`ap', `%rdi')
|
|
|
|
|
define(`bp', `%rsi')
|
|
|
|
|
define(`n', `%rdx')
|
|
|
|
|
|
|
|
|
|
ABI_SUPPORT(DOS64)
|
|
|
|
|
ABI_SUPPORT(STD64)
|
|
|
|
|
|
|
|
|
|
ASM_START()
|
|
|
|
|
TEXT
|
|
|
|
|
ALIGN(32)
|
|
|
|
|
PROLOGUE(mpn_hamdist)
|
|
|
|
|
FUNC_ENTRY(3)
|
|
|
|
|
mov (ap), %r8
|
|
|
|
|
xor (bp), %r8
|
|
|
|
|
|
|
|
|
|
lea (ap,n,8), ap C point at A operand end
|
|
|
|
|
lea (bp,n,8), bp C point at B operand end
|
|
|
|
|
neg n
|
|
|
|
|
|
2020-07-11 13:28:52 +02:00
|
|
|
test $1, R8(n)
|
|
|
|
|
jz L(2)
|
2018-07-03 22:03:34 +02:00
|
|
|
|
|
|
|
|
L(1): .byte 0xf3,0x49,0x0f,0xb8,0xc0 C popcnt %r8, %rax
|
|
|
|
|
xor R32(%r10), R32(%r10)
|
2020-07-11 13:28:52 +02:00
|
|
|
inc n
|
2018-07-03 22:03:34 +02:00
|
|
|
js L(top)
|
|
|
|
|
FUNC_EXIT()
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
ALIGN(16)
|
|
|
|
|
L(2): mov 8(ap,n,8), %r9
|
|
|
|
|
.byte 0xf3,0x49,0x0f,0xb8,0xc0 C popcnt %r8, %rax
|
|
|
|
|
xor 8(bp,n,8), %r9
|
|
|
|
|
.byte 0xf3,0x4d,0x0f,0xb8,0xd1 C popcnt %r9, %r10
|
|
|
|
|
add $2, n
|
|
|
|
|
js L(top)
|
|
|
|
|
lea (%r10, %rax), %rax
|
|
|
|
|
FUNC_EXIT()
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
ALIGN(16)
|
|
|
|
|
L(top): mov (ap,n,8), %r8
|
|
|
|
|
lea (%r10, %rax), %rax
|
|
|
|
|
mov 8(ap,n,8), %r9
|
|
|
|
|
xor (bp,n,8), %r8
|
|
|
|
|
xor 8(bp,n,8), %r9
|
|
|
|
|
.byte 0xf3,0x49,0x0f,0xb8,0xc8 C popcnt %r8, %rcx
|
|
|
|
|
lea (%rcx, %rax), %rax
|
|
|
|
|
.byte 0xf3,0x4d,0x0f,0xb8,0xd1 C popcnt %r9, %r10
|
|
|
|
|
add $2, n
|
|
|
|
|
js L(top)
|
|
|
|
|
|
|
|
|
|
lea (%r10, %rax), %rax
|
|
|
|
|
FUNC_EXIT()
|
|
|
|
|
ret
|
|
|
|
|
EPILOGUE()
|
