mpir/mpn/x86_64w/bobcat/mod_1_1.asm

69 lines
2.1 KiB
NASM

; Copyright 2011 The Code Cavern
;
; Windows Conversion Copyright 2011 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_mod_1_1(mp_ptr, mp_ptr, mp_size_t, mp_ptr)
; rax rdi rsi rdx rcx
; rax rcx rdx r8 r9
%include 'yasm_mac.inc'
CPU Core2
BITS 64
%define reg_save_list rsi, rdi, r13
FRAME_PROC mpn_mod_1_1, 0, reg_save_list
mov rdi, rcx
mov rsi, rdx
mov rdx, r8
mov r13, [rsi+rdx*8-8]
mov rax, [rsi+rdx*8-16]
mov r8, [r9]
mov r9, [r9+8]
mov rcx, rdx
sub rcx, 2
align 16
.1: mov r11d, 0
mov r10, [rsi+rcx*8-8]
mul r8
add r10, rax
lea rax, [r13]
adc r11, rdx
lea r13, [r11]
lea r9, [r9]
lea r8, [r8]
mul r9
add rax, r10
adc r13, rdx
sub rcx, 1
jnz .1
mov [rdi], rax
mov rax, r8
mul r13
add [rdi], rax
adc rdx, 0
mov [rdi+8], rdx
END_PROC reg_save_list
end