yading@10: /* yading@10: * Copyright (c) 2011 Mans Rullgard yading@10: * yading@10: * This file is part of Libav. yading@10: * yading@10: * Libav is free software; you can redistribute it and/or yading@10: * modify it under the terms of the GNU Lesser General Public yading@10: * License as published by the Free Software Foundation; either yading@10: * version 2.1 of the License, or (at your option) any later version. yading@10: * yading@10: * Libav is distributed in the hope that it will be useful, yading@10: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@10: * Lesser General Public License for more details. yading@10: * yading@10: * You should have received a copy of the GNU Lesser General Public yading@10: * License along with Libav; if not, write to the Free Software yading@10: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@10: */ yading@10: yading@10: #include "libavutil/arm/asm.S" yading@10: yading@10: function ff_ac3_update_bap_counts_arm, export=1 yading@10: push {lr} yading@10: ldrb lr, [r1], #1 yading@10: 1: yading@10: lsl r3, lr, #1 yading@10: ldrh r12, [r0, r3] yading@10: subs r2, r2, #1 yading@10: it gt yading@10: ldrbgt lr, [r1], #1 yading@10: add r12, r12, #1 yading@10: strh r12, [r0, r3] yading@10: bgt 1b yading@10: pop {pc} yading@10: endfunc