104 lines
2.9 KiB
NASM
104 lines
2.9 KiB
NASM
; PROLOGUE(mpn_sumdiff_n)
|
|
|
|
; 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.
|
|
;
|
|
; rcx[r10] = r8[r10] + r9[r10]
|
|
; rdx[r10] = r8[r10] - r9[r10]
|
|
;
|
|
; return 2 * add_carry + sub_borrow
|
|
;
|
|
; mp_limb_t mpn_sumdiff_n(mp_ptr, mp_ptr, mp_ptr, mp_ptr, mp_size_t)
|
|
; rax rdi rsi rdx rcx r8
|
|
; rax rcx rdx r8 r9 [rsp+40]
|
|
|
|
%include "yasm_mac.inc"
|
|
|
|
%define reg_save_list rsi, rdi, r12, r13, r14, r15, rbx, rbp
|
|
|
|
CPU Athlon64
|
|
BITS 64
|
|
|
|
FRAME_PROC mpn_sumdiff_n, 0, reg_save_list
|
|
mov r10, qword [rsp+stack_use+40]
|
|
|
|
lea rdx, [rdx+r10*8]
|
|
lea r8, [r8+r10*8]
|
|
lea rcx, [rcx+r10*8]
|
|
lea r9, [r9+r10*8]
|
|
neg r10
|
|
xor r12, r12
|
|
xor r11, r11
|
|
test r10, 3
|
|
jz .2
|
|
.1: mov rax, [r8+r10*8]
|
|
mov r13, rax
|
|
add r12, 1
|
|
adc rax, [r9+r10*8]
|
|
sbb r12, r12
|
|
add r11, 1
|
|
sbb r13, [r9+r10*8]
|
|
sbb r11, r11
|
|
mov [rcx+r10*8], rax
|
|
mov [rdx+r10*8], r13
|
|
inc r10
|
|
test r10, 3
|
|
jnz .1
|
|
.2: cmp r10, 0
|
|
jz .4
|
|
|
|
xalign 16
|
|
.3: mov rax, [r8+r10*8]
|
|
mov rsi, [r8+r10*8+8]
|
|
mov rdi, [r8+r10*8+16]
|
|
mov rbp, [r8+r10*8+24]
|
|
mov r13, rax
|
|
mov r14, rsi
|
|
mov r15, rdi
|
|
mov rbx, rbp
|
|
add r12, 1
|
|
adc rax, [r9+r10*8]
|
|
adc rsi, [r9+r10*8+8]
|
|
adc rdi, [r9+r10*8+16]
|
|
adc rbp, [r9+r10*8+24]
|
|
sbb r12, r12
|
|
add r11, 1
|
|
sbb r13, [r9+r10*8]
|
|
sbb r14, [r9+r10*8+8]
|
|
sbb r15, [r9+r10*8+16]
|
|
sbb rbx, [r9+r10*8+24]
|
|
sbb r11, r11
|
|
mov [rcx+r10*8], rax
|
|
mov [rcx+r10*8+8], rsi
|
|
mov [rcx+r10*8+16], rdi
|
|
mov [rcx+r10*8+24], rbp
|
|
mov [rdx+r10*8], r13
|
|
mov [rdx+r10*8+8], r14
|
|
mov [rdx+r10*8+16], r15
|
|
mov [rdx+r10*8+24], rbx
|
|
add r10, 4
|
|
jnz .3
|
|
.4: lea rax, [r11+r12*2]
|
|
neg rax
|
|
END_PROC reg_save_list
|
|
|
|
end
|