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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(__aeabi_ldivmod)
//
// A pair of (unsigned) long longs is returned in {{r0, r1}, {r2, r3}},
// the quotient in {r0, r1}, and the remainder in {r2, r3}.
//
//__value_in_regs lldiv_t
//EFIAPI
//__aeabi_ldivmod (
// IN UINT64 Dividen
// IN UINT64 Divisor
// )//
//
ASM_PFX(__aeabi_ldivmod):
PUSH {r4,lr}
ASRS r4,r1,#1
EOR r4,r4,r3,LSR #1
BPL L_Test1
RSBS r0,r0,#0
RSC r1,r1,#0
L_Test1:
TST r3,r3
BPL L_Test2
RSBS r2,r2,#0
RSC r3,r3,#0
L_Test2:
BL ASM_PFX(__aeabi_uldivmod)
TST r4,#0x40000000
BEQ L_Test3
RSBS r0,r0,#0
RSC r1,r1,#0
L_Test3:
TST r4,#0x80000000
BEQ L_Exit
RSBS r2,r2,#0
RSC r3,r3,#0
L_Exit:
POP {r4,pc}
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