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path: root/ArmPkg/Library/CompilerIntrinsicsLib/Arm/moddi3.S
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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(__moddi3)
  INTERWORK_FUNC(__moddi3)

ASM_PFX(__moddi3):
	stmfd	sp!, {r4, r5, r7, lr}
	mov	r4, r1, asr #31
	add	r7, sp, #8
	stmfd	sp!, {r10, r11}
	mov	r10, r3, asr #31
	sub	sp, sp, #16
	mov	r5, r4
	mov	r11, r10
	eor	r0, r0, r4
	eor	r1, r1, r4
	eor	r2, r2, r10
	eor	r3, r3, r10
	add	ip, sp, #8
	subs	r0, r0, r4
	sbc	r1, r1, r5
	subs	r2, r2, r10
	sbc	r3, r3, r11
	str	ip, [sp, #0]
	bl	ASM_PFX(__udivmoddi4)
	ldrd	r0, [sp, #8]
	eor	r0, r0, r4
	eor	r1, r1, r4
	subs	r0, r0, r4
	sbc	r1, r1, r5
	sub	sp, r7, #16
	ldmfd	sp!, {r10, r11}
	ldmfd	sp!, {r4, r5, r7, pc}