33 lines
448 B
ArmAsm
33 lines
448 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2016-2017 Free Software Foundation, Inc.
|
|
*/
|
|
|
|
#include <linux/linkage.h>
|
|
|
|
ENTRY(__udivdi3)
|
|
mv a2, a1
|
|
mv a1, a0
|
|
li a0, -1
|
|
beqz a2, .L5
|
|
li a3, 1
|
|
bgeu a2, a1, .L2
|
|
.L1:
|
|
blez a2, .L2
|
|
slli a2, a2, 1
|
|
slli a3, a3, 1
|
|
bgtu a1, a2, .L1
|
|
.L2:
|
|
li a0, 0
|
|
.L3:
|
|
bltu a1, a2, .L4
|
|
sub a1, a1, a2
|
|
or a0, a0, a3
|
|
.L4:
|
|
srli a3, a3, 1
|
|
srli a2, a2, 1
|
|
bnez a3, .L3
|
|
.L5:
|
|
ret
|
|
ENDPROC(__udivdi3)
|