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mullu.S revision 1.1 
      1 /*	$NetBSD: mullu.S,v 1.1 2018/08/16 18:17:47 jmcneill Exp $	*/
      2 
      3 #------------------------------------------------------------------------------
      4 #
      5 # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
      6 #
      7 # This program and the accompanying materials
      8 # are licensed and made available under the terms and conditions of the BSD License
      9 # which accompanies this distribution.  The full text of the license may be found at
     10 # http://opensource.org/licenses/bsd-license.php
     11 #
     12 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     13 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     14 #
     15 #------------------------------------------------------------------------------
     16 
     17 #include "edk2asm.h"
     18 
     19 .text
     20 GCC_ASM_EXPORT(__aeabi_lmul)
     21 #
     22 #INT64
     23 #EFIAPI
     24 #__aeabi_lmul (
     25 #  IN INT64   Multiplicand
     26 #  IN INT64   Multiplier
     27 #  );
     28 #
     29 ASM_PFX(__aeabi_lmul):
     30   stmdb   sp!, {lr}
     31   mov     lr, r0
     32   umull   r0, ip, r2, lr
     33   mla     r1, r2, r1, ip
     34   mla     r1, r3, lr, r1
     35   ldmia   sp!, {pc}
     36