98 lines
2.3 KiB
NASM
98 lines
2.3 KiB
NASM
|
|
; AMD64 mpn_addlsh1_n
|
|
; Version 1.0.3
|
|
;
|
|
; 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.
|
|
;
|
|
; Calling interface:
|
|
;
|
|
; rcx[r9] = rdx[r9] + 2 * r8[r9]
|
|
;
|
|
; void __gmpn_addlsh1_n(
|
|
; mp_ptr rp, rcx
|
|
; mp_srcptr xp, rdx
|
|
; mp_srcptr yp, r8
|
|
; mp_size_t n, r9
|
|
; )
|
|
;
|
|
; This is an SEH frame function
|
|
|
|
%include "..\yasm_mac.inc"
|
|
|
|
%define reg_save_list rbx, rsi, rdi
|
|
|
|
BITS 64
|
|
|
|
FRAME_PROC mpn_addlsh1_n, 0, reg_save_list
|
|
movsxd r9, r9d
|
|
|
|
lea rdx, [rdx+r9*8]
|
|
lea r8, [r8+r9*8]
|
|
lea rcx, [rcx+r9*8]
|
|
neg r9
|
|
xor rsi, rsi
|
|
xor rax, rax
|
|
test r9, 3
|
|
jz .2
|
|
|
|
.1: mov rdi, [r8+r9*8]
|
|
add rsi, 1
|
|
adc rdi, rdi
|
|
sbb rsi, rsi
|
|
add rax, 1
|
|
adc rdi, [rdx+r9*8]
|
|
sbb rax, rax
|
|
mov [rcx+r9*8], rdi
|
|
inc r9
|
|
test r9, 3
|
|
jnz .1
|
|
|
|
.2: cmp r9, 0
|
|
jz .4
|
|
|
|
alignb 16, nop
|
|
.3: mov rdi, [r8+r9*8]
|
|
mov rbx, [r8+r9*8+8]
|
|
mov r10, [r8+r9*8+16]
|
|
mov r11, [r8+r9*8+24]
|
|
add rsi, 1
|
|
adc rdi, rdi
|
|
adc rbx, rbx
|
|
adc r10, r10
|
|
adc r11, r11
|
|
sbb rsi, rsi
|
|
add rax, 1
|
|
adc rdi, [rdx+r9*8]
|
|
adc rbx, [rdx+r9*8+8]
|
|
adc r10, [rdx+r9*8+16]
|
|
adc r11, [rdx+r9*8+24]
|
|
sbb rax, rax
|
|
mov [rcx+r9*8], rdi
|
|
mov [rcx+r9*8+8], rbx
|
|
mov [rcx+r9*8+16], r10
|
|
mov [rcx+r9*8+24], r11
|
|
add r9, 4
|
|
jnz .3
|
|
|
|
.4: add rax, rsi
|
|
neg rax
|
|
END_PROC reg_save_list
|
|
|
|
end
|