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#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
#
# 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.
#
#------------------------------------------------------------------------------
.text
.align 2
.globl ASM_PFX(__udivsi3)
ASM_PFX(__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
ldmeqfd 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}
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