mpir/mpn/x86_64w/k8/addsub_n.asm
gladman b086474ddf Bring Windows naming into line with that on Linux
Rename 'amd64' elemnts to 'k8'
2009-12-02 12:29:38 +00:00

144 lines
3.7 KiB
NASM

; Copyright 2009 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_addsub_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 rbx, rbp, rsi, rdi
CPU Athlon64
BITS 64
FRAME_PROC mpn_addsub_n, 0, reg_save_list
movsxd rbx, dword [rsp+stack_use+40]
lea rdi, [rcx+rbx*8-56]
lea rsi, [rdx+rbx*8-56]
lea rdx, [r8+rbx*8-56]
lea rcx, [r9+rbx*8-56]
mov r9, 3
xor rax, rax
xor r10, r10
sub r9, rbx
jge L_skip
add r9, 4
mov rbp, [rdx+r9*8+16]
mov r11, [rdx+r9*8+24]
mov r8, [rdx+r9*8]
mov rbx, [rdx+r9*8+8]
jc L_skiplp
xalign 16
L_lp:
add rax, 1
sbb r8, [rcx+r9*8]
sbb rbx, [rcx+r9*8+8]
sbb rbp, [rcx+r9*8+16]
sbb r11, [rcx+r9*8+24]
sbb rax, rax
add r10, 1
adc r8, [rsi+r9*8]
adc rbx, [rsi+r9*8+8]
adc rbp, [rsi+r9*8+16]
adc r11, [rsi+r9*8+24]
sbb r10, r10
mov [rdi+r9*8], r8
mov [rdi+r9*8+24], r11
mov [rdi+r9*8+8], rbx
mov [rdi+r9*8+16], rbp
mov rbp, [rdx+r9*8+48]
mov r11, [rdx+r9*8+56]
add r9, 4
mov r8, [rdx+r9*8]
mov rbx, [rdx+r9*8+8]
jnc L_lp
L_skiplp:
add rax, 1
sbb r8, [rcx+r9*8]
sbb rbx, [rcx+r9*8+8]
sbb rbp, [rcx+r9*8+16]
sbb r11, [rcx+r9*8+24]
sbb rax, rax
add r10, 1
adc r8, [rsi+r9*8]
adc rbx, [rsi+r9*8+8]
adc rbp, [rsi+r9*8+16]
adc r11, [rsi+r9*8+24]
sbb r10, r10
mov [rdi+r9*8], r8
mov [rdi+r9*8+24], r11
mov [rdi+r9*8+8], rbx
mov [rdi+r9*8+16], rbp
L_skip:
cmp r9, 2
ja L_case0
jz L_case1
jp L_case2
L_case3:
mov rbp, [rdx+r9*8+48]
mov r8, [rdx+r9*8+32]
mov rbx, [rdx+r9*8+40]
add rax, 1
sbb r8, [rcx+r9*8+32]
sbb rbx, [rcx+r9*8+40]
sbb rbp, [rcx+r9*8+48]
sbb rax, rax
add r10, 1
adc r8, [rsi+r9*8+32]
adc rbx, [rsi+r9*8+40]
adc rbp, [rsi+r9*8+48]
mov [rdi+r9*8+32], r8
mov [rdi+r9*8+40], rbx
mov [rdi+r9*8+48], rbp
adc rax, 0
jmp L_xit
xalign 16
L_case2:
mov r8, [rdx+r9*8+32]
mov rbx, [rdx+r9*8+40]
add rax, 1
sbb r8, [rcx+r9*8+32]
sbb rbx, [rcx+r9*8+40]
sbb rax, rax
add r10, 1
adc r8, [rsi+r9*8+32]
adc rbx, [rsi+r9*8+40]
mov [rdi+r9*8+32], r8
mov [rdi+r9*8+40], rbx
adc rax, 0
jmp L_xit
xalign 16
L_case1:
mov r8, [rdx+r9*8+32]
add rax, 1
sbb r8, [rcx+r9*8+32]
sbb rax, rax
add r10, 1
adc r8, [rsi+r9*8+32]
mov [rdi+r9*8+32], r8
adc rax, 0
jmp L_xit
xalign 16
L_case0:
sub rax, r10
L_xit:
END_PROC reg_save_list
end