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

56 lines
1.4 KiB
ArmAsm

#------s------------------------------------------------------------------------
#
# 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
GCC_ASM_EXPORT(__aeabi_ulcmp)
ASM_PFX(__aeabi_ulcmp):
stmfd sp!, {r4, r5, r8}
cmp r3, r1
mov r8, r0
mov r9, r1
mov r4, r2
mov r5, r3
bls L16
L2:
mvn r0, #0
L1:
ldmfd sp!, {r4, r5, r8}
bx lr
L16:
beq L17
L4:
cmp r9, r5
bhi L7
beq L18
cmp r8, r4
L14:
cmpeq r9, r5
moveq r0, #0
beq L1
b L1
L18:
cmp r8, r4
bls L14
L7:
mov r0, #1
b L1
L17:
cmp r2, r0
bhi L2
b L4