CloverBootloader/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashrdi3.S
Slice 84f41b2b58 prepare to arm
Signed-off-by: Slice <sergey.slice@gmail.com>
2023-07-04 19:53:11 +03:00

29 lines
640 B
ArmAsm

#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
#------------------------------------------------------------------------------
#include <AsmMacroIoLib.h>
ASM_FUNC(__ashrdi3)
cmp r2, #31
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