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71 lines
2.1 KiB
71 lines
2.1 KiB
/* |
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* Copyright (c) 2023 Institue of Software Chinese Academy of Sciences (ISCAS). |
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* Copyright © 2024 Rémi Denis-Courmont. |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/riscv/asm.S" |
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func ff_abs_pow34_rvv, zve32f, zba |
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lpad 0 |
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1: |
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vsetvli t0, a2, e32, m8, ta, ma |
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sub a2, a2, t0 |
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vle32.v v0, (a1) |
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sh2add a1, t0, a1 |
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vfabs.v v0, v0 |
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vfsqrt.v v8, v0 |
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vfmul.vv v8, v8, v0 |
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vfsqrt.v v8, v8 |
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vse32.v v8, (a0) |
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sh2add a0, t0, a0 |
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bnez a2, 1b |
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ret |
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endfunc |
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func ff_aac_quant_bands_rvv, zve32f, zba |
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lpad 0 |
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NOHWF fmv.w.x fa0, a6 |
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NOHWF fmv.w.x fa1, a7 |
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fcvt.s.w ft0, a5 |
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bnez a4, .L1 # signed? |
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.irp signed, 0, 1 |
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.L\signed: |
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vsetvli t0, a3, e32, m8, ta, ma |
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vle32.v v16, (a2) |
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sub a3, a3, t0 |
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.if \signed |
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vle32.v v8, (a1) |
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sh2add a1, t0, a1 |
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.endif |
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vfmul.vf v16, v16, fa0 |
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sh2add a2, t0, a2 |
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vfadd.vf v16, v16, fa1 |
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vfmin.vf v16, v16, ft0 |
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.if \signed |
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vfsgnjx.vv v16, v16, v8 |
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.endif |
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vfcvt.rtz.x.f.v v16, v16 |
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vse32.v v16, (a0) |
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sh2add a0, t0, a0 |
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bnez a3, .L\signed |
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ret |
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.endr |
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endfunc
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