mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 10:37:01 +07:00
a89757daf2
Signed-off-by: Alex Guo <xfguo@jlsemi.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
43 lines
954 B
ArmAsm
43 lines
954 B
ArmAsm
/*
|
|
* Copyright (C) 2018 Free Software Foundation, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation, version 2.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*/
|
|
.globl __lshrti3
|
|
__lshrti3:
|
|
beqz a2, .L1
|
|
li a5,64
|
|
sub a5,a5,a2
|
|
addi sp,sp,-16
|
|
sext.w a4,a5
|
|
blez a5, .L2
|
|
sext.w a2,a2
|
|
sll a4,a1,a4
|
|
srl a0,a0,a2
|
|
srl a1,a1,a2
|
|
or a0,a0,a4
|
|
sd a1,8(sp)
|
|
sd a0,0(sp)
|
|
ld a0,0(sp)
|
|
ld a1,8(sp)
|
|
addi sp,sp,16
|
|
ret
|
|
.L1:
|
|
ret
|
|
.L2:
|
|
negw a4,a4
|
|
srl a1,a1,a4
|
|
sd a1,0(sp)
|
|
sd zero,8(sp)
|
|
ld a0,0(sp)
|
|
ld a1,8(sp)
|
|
addi sp,sp,16
|
|
ret
|