audk/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ucmpdi2.S

40 lines
957 B
ArmAsm

#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2010, 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(__ucmpdi2)
INTERWORK_FUNC(__ucmpdi2)
ASM_PFX(__ucmpdi2):
stmfd sp!, {r4, r5, r8, lr}
cmp r1, r3
mov r8, r0
mov r4, r2
mov r5, r3
bcc L2
bhi L4
cmp r0, r2
bcc L2
movls r0, #1
bls L8
b L4
L2:
mov r0, #0
b L8
L4:
mov r0, #2
L8:
ldmfd sp!, {r4, r5, r8, pc}