| /* |
| * 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_int32_to_float_fmul_scalar_rvv, zve32f |
| NOHWF fmv.w.x fa0, a2 |
| NOHWF mv a2, a3 |
| 1: |
| vsetvli t0, a2, e32, m8, ta, ma |
| vle32.v v24, (a1) |
| sub a2, a2, t0 |
| vfcvt.f.x.v v24, v24 |
| sh2add a1, t0, a1 |
| vfmul.vf v24, v24, fa0 |
| vse32.v v24, (a0) |
| sh2add a0, t0, a0 |
| bnez a2, 1b |
| |
| ret |
| endfunc |
| |
| func ff_int32_to_float_fmul_array8_rvv, zve32f |
| srai a4, a4, 3 |
| |
| 1: vsetvli t0, a4, e32, m1, ta, ma |
| vle32.v v24, (a3) |
| slli t2, t0, 2 + 3 |
| vlseg8e32.v v16, (a2) |
| vsetvli t3, zero, e32, m8, ta, ma |
| vfcvt.f.x.v v16, v16 |
| vsetvli zero, a4, e32, m1, ta, ma |
| vfmul.vv v16, v16, v24 |
| sub a4, a4, t0 |
| vfmul.vv v17, v17, v24 |
| sh2add a3, t0, a3 |
| vfmul.vv v18, v18, v24 |
| add a2, a2, t2 |
| vfmul.vv v19, v19, v24 |
| vfmul.vv v20, v20, v24 |
| vfmul.vv v21, v21, v24 |
| vfmul.vv v22, v22, v24 |
| vfmul.vv v23, v23, v24 |
| vsseg8e32.v v16, (a1) |
| add a1, a1, t2 |
| bnez a4, 1b |
| |
| ret |
| endfunc |
