mpir/mpn/x86_64w/k8/k10/hamdist.asm
gladman 9bf78f0866 1. Update Windows k10 build to match Linux
2. Remove the now redundant 32 to 64 register mapping for mp_size_t inputs in Windows assembler
2010-07-02 11:52:24 +00:00

80 lines
2.2 KiB
NASM

; Version 1.0.4
;
; Copyright 2008 Jason Moxham
;
; Windows Conversion Copyright 2008 Brian Gladman
;
; This file is part of the MPIR Library.
; The MPIR Library is free software; you can redistribute it and/or modify
; it under the terms of the GNU Lesser General Public License as published
; by the Free Software Foundation; either version 2.1 of the License, or (at
; your option) any later version.
; The MPIR Library is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
; License for more details.
; You should have received a copy of the GNU Lesser General Public License
; along with the MPIR Library; see the file COPYING.LIB. If not, write
; to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
; Boston, MA 02110-1301, USA.
; mp_limb_t mpn_hamdist(mp_ptr, mp_ptr, mp_size_t)
; rax rdi, rsi, rdx
; rax rcx, rdx, r8
%include "..\..\yasm_mac.inc"
CPU SSE4.2
BITS 64
FRAME_PROC mpn_hamdist, 0, rbx
mov rbx, r8
xor eax, eax
sub rbx, 4
jc .2
xalign 16
.1:
mov r8, [rcx+rbx*8+24]
mov r9, [rcx+rbx*8+16]
xor r8, [rdx+rbx*8+24]
popcnt r8, r8
add rax, r8
xor r9, [rdx+rbx*8+16]
popcnt r9, r9
add rax, r9
mov r10, [rcx+rbx*8+8]
mov r11, [rcx+rbx*8]
xor r10, [rdx+rbx*8+8]
popcnt r10, r10
add rax, r10
xor r11, [rdx+rbx*8]
popcnt r11, r11
add rax, r11
sub rbx, 4
jnc .1
.2:
add rbx, 4
jz .3
mov r8, [rcx+rbx*8-8]
xor r8, [rdx+rbx*8-8]
popcnt r8, r8
add rax, r8
dec rbx
jz .3
mov r9, [rcx+rbx*8-8]
xor r9, [rdx+rbx*8-8]
popcnt r9, r9
add rax, r9
dec rbx
jz .3
mov r10, [rcx+rbx*8-8]
xor r10, [rdx+rbx*8-8]
popcnt r10, r10
add rax, r10
.3:
END_PROC rbx
end