audk/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashrdi3.S

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#------------------------------------------------------------------------------
#
# Copyright (c) 2008-2009 Apple Inc. All rights reserved.
#
# All rights reserved. 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 ___ashrdi3
___ashrdi3:
@ args = 0, pretend = 0, frame = 0
@ frame_needed = 0, uses_anonymous_args = 0
@ link register save eliminated.
cmp r2, #31
@ lr needed for prologue
bls L2
cmp r2, #63
subls r2, r2, #32
mov ip, r1, asr #31
movls r2, r1, asr r2
movhi r2, ip
mov r0, r2
mov r1, ip
bx lr
L2:
cmp r2, #0
rsbne r3, r2, #32
movne r3, r1, asl r3
movne r1, r1, asr r2
orrne r0, r3, r0, lsr r2
bx lr