mpir/mpn/x86_64w/bobcat/addadd_n.asm

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; PROLOGUE(mpn_addadd_n)
2012-11-25 17:13:44 -05:00
; 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_addadd_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_addadd_n, 0, reg_save_list
mov rbx, qword [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 .3
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 .2
xalign 16
.1: add rax, 1
adc r8, [rcx+r9*8]
adc rbx, [rcx+r9*8+8]
adc rbp, [rcx+r9*8+16]
adc 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 .1
.2: add rax, 1
adc r8, [rcx+r9*8]
adc rbx, [rcx+r9*8+8]
adc rbp, [rcx+r9*8+16]
adc 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
.3: cmp r9, 2
ja .7
jz .6
jp .5
.4: mov rbp, [rdx+r9*8+48]
mov r8, [rdx+r9*8+32]
mov rbx, [rdx+r9*8+40]
add rax, 1
adc r8, [rcx+r9*8+32]
adc rbx, [rcx+r9*8+40]
adc 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
sbb rax, 0
neg rax
EXIT_PROC reg_save_list
xalign 16
.5: mov r8, [rdx+r9*8+32]
mov rbx, [rdx+r9*8+40]
add rax, 1
adc r8, [rcx+r9*8+32]
adc 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
sbb rax, 0
neg rax
EXIT_PROC reg_save_list
xalign 16
.6: mov r8, [rdx+r9*8+32]
add rax, 1
adc r8, [rcx+r9*8+32]
sbb rax, rax
add r10, 1
adc r8, [rsi+r9*8+32]
mov [rdi+r9*8+32], r8
sbb rax, 0
neg rax
EXIT_PROC reg_save_list
xalign 16
.7: add rax, r10
.8: neg rax
END_PROC reg_save_list
end