Syncboot/gnu-efi/lib/arm/mullu.S

34 lines
955 B
ArmAsm

#------------------------------------------------------------------------------
#
# 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.
#
#------------------------------------------------------------------------------
#include "edk2asm.h"
.text
GCC_ASM_EXPORT(__aeabi_lmul)
#
#INT64
#EFIAPI
#__aeabi_lmul (
# IN INT64 Multiplicand
# IN INT64 Multiplier
# );
#
ASM_PFX(__aeabi_lmul):
stmdb sp!, {lr}
mov lr, r0
umull r0, ip, r2, lr
mla r1, r2, r1, ip
mla r1, r3, lr, r1
ldmia sp!, {pc}