121 lines
2.9 KiB
NASM
121 lines
2.9 KiB
NASM
; PROLOGUE(sublsh_n)
|
|
|
|
; 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_sublsh_n(mp_ptr, mp_ptr, mp_ptr, mp_size_t, mp_uint, mp_limb_t)
|
|
; mp_limb_t mpn_sublsh_nc(mp_ptr, mp_ptr, mp_ptr, mp_size_t, mp_uint)
|
|
; rax rdi rsi rdx rcx r8 r9
|
|
; rax rcx rdx r8 r9 [rsp+40] [rsp+48]
|
|
|
|
%include "yasm_mac.inc"
|
|
|
|
CPU Athlon64
|
|
BITS 64
|
|
|
|
%define reg_save_list rbx, rsi, rdi, rbp, r12, r13, r14, r15
|
|
|
|
LEAF_PROC mpn_sublsh_n
|
|
mov r10, r9
|
|
xor r9, r9
|
|
jmp entry
|
|
|
|
LEAF_PROC mpn_sublsh_nc
|
|
mov r10, r9
|
|
mov r9, [rsp+48]
|
|
entry:
|
|
FRAME_PROC ?mpn_sublsh, 0, reg_save_list
|
|
lea rdi, [rcx+r10*8]
|
|
lea rsi, [rdx+r10*8]
|
|
lea rdx, [r8+r10*8]
|
|
mov ecx, dword [rsp+stack_use+40]
|
|
|
|
neg rcx
|
|
shr r9, cl
|
|
neg r10
|
|
xor rax, rax
|
|
test r10, 3
|
|
jz .2
|
|
.1: mov r8, [rdx+r10*8]
|
|
mov r11, r8
|
|
neg rcx
|
|
shl r8, cl
|
|
neg rcx
|
|
shr r11, cl
|
|
or r8, r9
|
|
mov r9, r11
|
|
add rax, 1
|
|
mov r11, [rsi+r10*8]
|
|
sbb r11, r8
|
|
sbb rax, rax
|
|
mov [rdi+r10*8], r11
|
|
inc r10
|
|
test r10, 3
|
|
jnz .1
|
|
.2: cmp r10, 0
|
|
jz .4
|
|
|
|
xalign 16
|
|
.3: mov r8, [rdx+r10*8]
|
|
mov rbp, [rdx+r10*8+8]
|
|
mov rbx, [rdx+r10*8+16]
|
|
mov r12, [rdx+r10*8+24]
|
|
mov r11, r8
|
|
mov r13, rbp
|
|
mov r14, rbx
|
|
mov r15, r12
|
|
neg rcx
|
|
shl r8, cl
|
|
shl rbp, cl
|
|
shl rbx, cl
|
|
shl r12, cl
|
|
neg rcx
|
|
shr r11, cl
|
|
shr r13, cl
|
|
shr r14, cl
|
|
shr r15, cl
|
|
or r8, r9
|
|
or rbp, r11
|
|
or rbx, r13
|
|
or r12, r14
|
|
mov r9, r15
|
|
add rax, 1
|
|
mov r11, [rsi+r10*8]
|
|
mov r13, [rsi+r10*8+8]
|
|
mov r14, [rsi+r10*8+16]
|
|
mov r15, [rsi+r10*8+24]
|
|
sbb r11, r8
|
|
sbb r13, rbp
|
|
sbb r14, rbx
|
|
sbb r15, r12
|
|
sbb rax, rax
|
|
mov [rdi+r10*8], r11
|
|
mov [rdi+r10*8+8], r13
|
|
mov [rdi+r10*8+16], r14
|
|
mov [rdi+r10*8+24], r15
|
|
add r10, 4
|
|
jnz .3
|
|
.4: neg rax
|
|
add rax, r9
|
|
END_PROC reg_save_list
|
|
|
|
end
|