/* * Copyright © 2022 Rémi Denis-Courmont. * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "libavutil/riscv/asm.S" func ff_bswap16_buf_rvv, zve32x, zba lpad 0 1: vsetvli t0, a2, e16, m8, ta, ma vle16.v v8, (a1) sub a2, a2, t0 vsll.vi v16, v8, 8 sh1add a1, t0, a1 vsrl.vi v24, v8, 8 vor.vv v8, v16, v24 vse16.v v8, (a0) sh1add a0, t0, a0 bnez a2, 1b ret endfunc