/*
* Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*/
#include
EnterARM(__udivsi3)
cmp r1, #0
cmpne r0, #0
stmfd sp!, {r4, r5, r7, lr}
add r7, sp, #8
beq l2
clz r2, r1
clz r3, r0
rsb r3, r3, r2
cmp r3, #31
bhi l2
ldmfdeq sp!, {r4, r5, r7, pc}
add r5, r3, #1
rsb r3, r3, #31
mov lr, #0
mov r2, r0, asl r3
mov ip, r0, lsr r5
mov r4, lr
b l8
l9:
mov r0, r2, lsr #31
orr ip, r0, ip, asl #1
orr r2, r3, lr
rsb r3, ip, r1
sub r3, r3, #1
and r0, r1, r3, asr #31
mov lr, r3, lsr #31
rsb ip, r0, ip
add r4, r4, #1
l8:
cmp r4, r5
mov r3, r2, asl #1
bne l9
orr r0, r3, lr
ldmfd sp!, {r4, r5, r7, pc}
l2:
mov r0, #0
ldmfd sp!, {r4, r5, r7, pc}