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715 lines
20 KiB
715 lines
20 KiB
/* |
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* SPDX-License-Identifier: BSD-2-Clause |
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* |
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* Copyright (c) 2024 J. Dekker <jdek@itanimul.li> |
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* Copyright © 2024 Rémi Denis-Courmont. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "libavutil/riscv/asm.S" |
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.macro sx rd, addr |
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#if (__riscv_xlen == 32) |
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sw \rd, \addr |
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#elif (__riscv_xlen == 64) |
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sd \rd, \addr |
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#else |
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sq \rd, \addr |
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#endif |
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.endm |
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.variant_cc ff_h264_idct4_rvv |
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func ff_h264_idct4_rvv, zve32x |
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vsra.vi v5, v1, 1 |
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vsra.vi v7, v3, 1 |
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vadd.vv v8, v0, v2 # z0 |
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vsub.vv v9, v0, v2 # z1 |
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vsub.vv v10, v5, v3 # z2 |
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vadd.vv v11, v1, v7 # z3 |
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vadd.vv v1, v9, v10 |
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vsub.vv v2, v9, v10 |
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vadd.vv v0, v8, v11 |
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vsub.vv v3, v8, v11 |
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jr t0 |
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endfunc |
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func ff_h264_idct_add_8_rvv, zve32x |
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csrwi vxrm, 0 |
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.Lidct_add4_8_rvv: |
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vsetivli zero, 4, e16, mf2, ta, ma |
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addi t1, a1, 1 * 4 * 2 |
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vle16.v v0, (a1) |
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addi t2, a1, 2 * 4 * 2 |
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vle16.v v1, (t1) |
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addi t3, a1, 3 * 4 * 2 |
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vle16.v v2, (t2) |
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vle16.v v3, (t3) |
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jal t0, ff_h264_idct4_rvv |
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vse16.v v0, (a1) |
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vse16.v v1, (t1) |
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vse16.v v2, (t2) |
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vse16.v v3, (t3) |
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vlseg4e16.v v0, (a1) |
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.equ offset, 0 |
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.rept 256 / __riscv_xlen |
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sx zero, offset(a1) |
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.equ offset, offset + (__riscv_xlen / 8) |
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.endr |
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jal t0, ff_h264_idct4_rvv |
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add t1, a0, a2 |
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vle8.v v4, (a0) |
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add t2, t1, a2 |
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vle8.v v5, (t1) |
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add t3, t2, a2 |
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vle8.v v6, (t2) |
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vle8.v v7, (t3) |
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.irp n,0,1,2,3 |
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vssra.vi v\n, v\n, 6 |
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.endr |
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vsetvli zero, zero, e8, mf4, ta, ma |
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vwaddu.wv v0, v0, v4 |
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vwaddu.wv v1, v1, v5 |
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vwaddu.wv v2, v2, v6 |
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vwaddu.wv v3, v3, v7 |
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vsetvli zero, zero, e16, mf2, ta, ma |
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.irp n,0,1,2,3 |
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vmax.vx v\n, v\n, zero |
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.endr |
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vsetvli zero, zero, e8, mf4, ta, ma |
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vnclipu.wi v4, v0, 0 |
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vnclipu.wi v5, v1, 0 |
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vnclipu.wi v6, v2, 0 |
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vnclipu.wi v7, v3, 0 |
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vse8.v v4, (a0) |
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vse8.v v5, (t1) |
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vse8.v v6, (t2) |
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vse8.v v7, (t3) |
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ret |
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endfunc |
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func ff_h264_idct_add_16_rvv, zve32x |
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csrwi vxrm, 0 |
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.Lidct_add4_16_rvv: |
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vsetivli zero, 4, e32, m1, ta, ma |
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addi t1, a1, 1 * 4 * 4 |
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vle32.v v0, (a1) |
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addi t2, a1, 2 * 4 * 4 |
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vle32.v v1, (t1) |
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addi t3, a1, 3 * 4 * 4 |
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vle32.v v2, (t2) |
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vle32.v v3, (t3) |
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jal t0, ff_h264_idct4_rvv |
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vse32.v v0, (a1) |
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vse32.v v1, (t1) |
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vse32.v v2, (t2) |
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vse32.v v3, (t3) |
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vlseg4e32.v v0, (a1) |
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.equ offset, 0 |
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.rept 512 / __riscv_xlen |
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sx zero, offset(a1) |
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.equ offset, offset + (__riscv_xlen / 8) |
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.endr |
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jal t0, ff_h264_idct4_rvv |
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add t1, a0, a2 |
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vle16.v v4, (a0) |
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add t2, t1, a2 |
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vle16.v v5, (t1) |
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add t3, t2, a2 |
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vle16.v v6, (t2) |
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vle16.v v7, (t3) |
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.irp n,0,1,2,3 |
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vssra.vi v\n, v\n, 6 |
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.endr |
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vsetvli zero, zero, e16, mf2, ta, ma |
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vwaddu.wv v0, v0, v4 |
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vwaddu.wv v1, v1, v5 |
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vwaddu.wv v2, v2, v6 |
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vwaddu.wv v3, v3, v7 |
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vsetvli zero, zero, e32, m1, ta, ma |
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.irp n,0,1,2,3 |
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vmax.vx v\n, v\n, zero |
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.endr |
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.irp n,0,1,2,3 |
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vmin.vx v\n, v\n, a5 |
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.endr |
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vsetvli zero, zero, e16, mf2, ta, ma |
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vncvt.x.x.w v4, v0 |
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vncvt.x.x.w v5, v1 |
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vncvt.x.x.w v6, v2 |
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vncvt.x.x.w v7, v3 |
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vse16.v v4, (a0) |
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vse16.v v5, (t1) |
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vse16.v v6, (t2) |
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vse16.v v7, (t3) |
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ret |
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endfunc |
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.variant_cc ff_h264_idct8_rvv |
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func ff_h264_idct8_rvv, zve32x |
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vsra.vi v9, v7, 1 |
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vsra.vi v11, v3, 1 |
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vsra.vi v12, v2, 1 |
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vsra.vi v13, v5, 1 |
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vsra.vi v14, v6, 1 |
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vsra.vi v15, v1, 1 |
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vadd.vv v9, v3, v9 |
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vsub.vv v11, v1, v11 |
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vsub.vv v13, v13, v1 |
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vadd.vv v15, v3, v15 |
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vsub.vv v9, v5, v9 |
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vadd.vv v11, v11, v7 |
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vadd.vv v13, v13, v7 |
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vadd.vv v15, v15, v5 |
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vadd.vv v8, v0, v4 # a0 |
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vsub.vv v9, v9, v7 # a1 |
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vsub.vv v10, v0, v4 # a2 |
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vsub.vv v11, v11, v3 # a3 |
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vsub.vv v12, v12, v6 # a4 |
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vadd.vv v13, v13, v5 # a5 |
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vadd.vv v14, v14, v2 # a6 |
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vadd.vv v15, v15, v1 # a7 |
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vsra.vi v7, v9, 2 |
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vsra.vi v5, v11, 2 |
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vsra.vi v3, v13, 2 |
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vsra.vi v1, v15, 2 |
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vadd.vv v0, v8, v14 # b0 |
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vadd.vv v6, v10, v12 # b2 |
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vsub.vv v2, v10, v12 # b4 |
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vsub.vv v4, v8, v14 # b6 |
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vsub.vv v8, v15, v7 # b7 |
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vsub.vv v14, v5, v13 # b5 |
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vadd.vv v12, v1, v9 # b1 |
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vadd.vv v10, v11, v3 # b3 |
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vadd.vv v1, v6, v14 |
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vsub.vv v6, v6, v14 |
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vsub.vv v7, v0, v8 |
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vadd.vv v0, v0, v8 |
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vsub.vv v5, v2, v10 |
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vadd.vv v2, v2, v10 |
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vadd.vv v3, v4, v12 |
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vsub.vv v4, v4, v12 |
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jr t0 |
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endfunc |
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func ff_h264_idct8_add_8_rvv, zve32x |
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csrwi vxrm, 0 |
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.Lidct8_add_8_rvv: |
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vsetivli zero, 8, e16, m1, ta, ma |
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addi t1, a1, 1 * 8 * 2 |
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vle16.v v0, (a1) |
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addi t2, a1, 2 * 8 * 2 |
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vle16.v v1, (t1) |
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addi t3, a1, 3 * 8 * 2 |
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vle16.v v2, (t2) |
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addi t4, a1, 4 * 8 * 2 |
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vle16.v v3, (t3) |
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addi t5, a1, 5 * 8 * 2 |
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vle16.v v4, (t4) |
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addi t6, a1, 6 * 8 * 2 |
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vle16.v v5, (t5) |
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addi a7, a1, 7 * 8 * 2 |
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vle16.v v6, (t6) |
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vle16.v v7, (a7) |
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jal t0, ff_h264_idct8_rvv |
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vse16.v v0, (a1) |
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vse16.v v1, (t1) |
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vse16.v v2, (t2) |
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vse16.v v3, (t3) |
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vse16.v v4, (t4) |
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vse16.v v5, (t5) |
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vse16.v v6, (t6) |
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vse16.v v7, (a7) |
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vlseg8e16.v v0, (a1) |
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.equ offset, 0 |
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.rept 1024 / __riscv_xlen |
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sx zero, offset(a1) |
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.equ offset, offset + (__riscv_xlen / 8) |
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.endr |
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jal t0, ff_h264_idct8_rvv |
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add t1, a0, a2 |
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vle8.v v16, (a0) |
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add t2, t1, a2 |
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vle8.v v17, (t1) |
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add t3, t2, a2 |
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vle8.v v18, (t2) |
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add t4, t3, a2 |
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vle8.v v19, (t3) |
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add t5, t4, a2 |
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vle8.v v20, (t4) |
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add t6, t5, a2 |
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vle8.v v21, (t5) |
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add a7, t6, a2 |
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vle8.v v22, (t6) |
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vle8.v v23, (a7) |
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.irp n,0,1,2,3,4,5,6,7 |
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vssra.vi v\n, v\n, 6 |
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.endr |
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vsetvli zero, zero, e8, mf2, ta, ma |
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vwaddu.wv v0, v0, v16 |
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vwaddu.wv v1, v1, v17 |
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vwaddu.wv v2, v2, v18 |
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vwaddu.wv v3, v3, v19 |
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vwaddu.wv v4, v4, v20 |
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vwaddu.wv v5, v5, v21 |
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vwaddu.wv v6, v6, v22 |
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vwaddu.wv v7, v7, v23 |
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vsetvli zero, zero, e16, m1, ta, ma |
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.irp n,0,1,2,3,4,5,6,7 |
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vmax.vx v\n, v\n, zero |
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.endr |
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vsetvli zero, zero, e8, mf2, ta, ma |
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vnclipu.wi v16, v0, 0 |
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vnclipu.wi v17, v1, 0 |
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vnclipu.wi v18, v2, 0 |
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vnclipu.wi v19, v3, 0 |
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vnclipu.wi v20, v4, 0 |
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vnclipu.wi v21, v5, 0 |
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vnclipu.wi v22, v6, 0 |
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vnclipu.wi v23, v7, 0 |
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vse8.v v16, (a0) |
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vse8.v v17, (t1) |
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vse8.v v18, (t2) |
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vse8.v v19, (t3) |
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vse8.v v20, (t4) |
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vse8.v v21, (t5) |
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vse8.v v22, (t6) |
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vse8.v v23, (a7) |
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ret |
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endfunc |
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func ff_h264_idct8_add_16_rvv, zve32x |
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csrwi vxrm, 0 |
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.Lidct8_add_16_rvv: |
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li a4, 8 |
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vsetivli a3, 8, e32, m1, ta, ma |
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1: |
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addi t1, a1, 1 * 8 * 4 |
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vle32.v v0, (a1) |
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addi t2, a1, 2 * 8 * 4 |
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vle32.v v1, (t1) |
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addi t3, a1, 3 * 8 * 4 |
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vle32.v v2, (t2) |
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addi t4, a1, 4 * 8 * 4 |
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vle32.v v3, (t3) |
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addi t5, a1, 5 * 8 * 4 |
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vle32.v v4, (t4) |
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addi t6, a1, 6 * 8 * 4 |
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vle32.v v5, (t5) |
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addi a7, a1, 7 * 8 * 4 |
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vle32.v v6, (t6) |
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sub a4, a4, a3 |
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vle32.v v7, (a7) |
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jal t0, ff_h264_idct8_rvv |
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vse32.v v0, (a1) |
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sh2add a1, a3, a1 |
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vse32.v v1, (t1) |
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vse32.v v2, (t2) |
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vse32.v v3, (t3) |
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vse32.v v4, (t4) |
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vse32.v v5, (t5) |
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vse32.v v6, (t6) |
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vse32.v v7, (a7) |
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bnez a4, 1b |
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addi a1, a1, -8 * 4 |
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li a4, 8 |
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slli a6, a3, 3 + 2 |
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2: |
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vsetvli zero, zero, e32, m1, ta, ma |
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vlseg8e32.v v0, (a1) |
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jal t0, ff_h264_idct8_rvv |
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add t1, a0, a2 |
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vle16.v v16, (a0) |
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add t2, t1, a2 |
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vle16.v v17, (t1) |
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add t3, t2, a2 |
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vle16.v v18, (t2) |
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add t4, t3, a2 |
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vle16.v v19, (t3) |
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add t5, t4, a2 |
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vle16.v v20, (t4) |
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add t6, t5, a2 |
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vle16.v v21, (t5) |
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add a7, t6, a2 |
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vle16.v v22, (t6) |
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sub a4, a4, a3 |
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vle16.v v23, (a7) |
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.irp n,0,1,2,3,4,5,6,7 |
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vssra.vi v\n, v\n, 6 |
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.endr |
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vsetvli zero, zero, e16, mf2, ta, ma |
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vwaddu.wv v0, v0, v16 |
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add a1, a6, a1 |
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vwaddu.wv v1, v1, v17 |
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vwaddu.wv v2, v2, v18 |
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vwaddu.wv v3, v3, v19 |
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vwaddu.wv v4, v4, v20 |
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vwaddu.wv v5, v5, v21 |
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vwaddu.wv v6, v6, v22 |
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vwaddu.wv v7, v7, v23 |
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vsetvli zero, zero, e32, m1, ta, ma |
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.irp n,0,1,2,3,4,5,6,7 |
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vmax.vx v\n, v\n, zero |
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.endr |
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.irp n,0,1,2,3,4,5,6,7 |
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vmin.vx v\n, v\n, a5 |
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.endr |
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vsetvli zero, zero, e16, mf2, ta, ma |
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vncvt.x.x.w v16, v0 |
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vncvt.x.x.w v17, v1 |
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vncvt.x.x.w v18, v2 |
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vncvt.x.x.w v19, v3 |
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vncvt.x.x.w v20, v4 |
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vncvt.x.x.w v21, v5 |
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vncvt.x.x.w v22, v6 |
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vncvt.x.x.w v23, v7 |
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vse16.v v16, (a0) |
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sh1add a0, a3, a0 |
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vse16.v v17, (t1) |
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vse16.v v18, (t2) |
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vse16.v v19, (t3) |
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vse16.v v20, (t4) |
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vse16.v v21, (t5) |
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vse16.v v22, (t6) |
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vse16.v v23, (a7) |
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bnez a4, 2b |
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.equ offset, 0 |
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.rept 2048 / __riscv_xlen |
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sx zero, offset - 8 * 8 * 4(a1) |
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.equ offset, offset + (__riscv_xlen / 8) |
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.endr |
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ret |
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endfunc |
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.irp depth, 9, 10, 12, 14 |
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func ff_h264_idct_add_\depth\()_rvv, zve32x |
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li a5, (1 << \depth) - 1 |
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j ff_h264_idct_add_16_rvv |
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endfunc |
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func ff_h264_idct8_add_\depth\()_rvv, zve32x |
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li a5, (1 << \depth) - 1 |
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j ff_h264_idct8_add_16_rvv |
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endfunc |
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.endr |
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.macro idct_dc_add8 width |
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func ff_h264_idct\width\()_dc_add_8_rvv, zve64x |
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.if \width == 8 |
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vsetivli zero, \width, e8, mf2, ta, ma |
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.else |
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vsetivli zero, \width, e8, mf4, ta, ma |
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.endif |
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lh a3, 0(a1) |
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addi a3, a3, 32 |
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srai a3, a3, 6 |
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sh zero, 0(a1) |
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.if \width == 8 |
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li a6, \width * \width |
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vlse64.v v24, (a0), a2 |
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vsetvli zero, a6, e16, m8, ta, ma |
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.else |
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vlse32.v v24, (a0), a2 |
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vsetivli zero, \width * \width, e16, m2, ta, ma |
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.endif |
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vzext.vf2 v0, v24 |
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vadd.vx v0, v0, a3 |
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vmax.vx v0, v0, zero |
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.if \width == 8 |
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vsetvli zero, zero, e8, m4, ta, ma |
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.else |
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vsetvli zero, zero, e8, m1, ta, ma |
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.endif |
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vnclipu.wi v24, v0, 0 |
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.if \width == 8 |
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vsetivli zero, \width, e8, mf2, ta, ma |
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vsse64.v v24, (a0), a2 |
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.else |
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vsetivli zero, \width, e8, mf4, ta, ma |
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vsse32.v v24, (a0), a2 |
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.endif |
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ret |
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endfunc |
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.endm |
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|
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idct_dc_add8 4 |
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idct_dc_add8 8 |
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|
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.macro idct_dc_add width |
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func ff_h264_idct\width\()_dc_add_16_rvv, zve64x, zba |
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.if \width == 8 |
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vsetivli zero, \width, e16, m1, ta, ma |
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.else |
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vsetivli zero, \width, e16, mf2, ta, ma |
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.endif |
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lw a3, 0(a1) |
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addi a3, a3, 32 |
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srai a3, a3, 6 |
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sw zero, 0(a1) |
|
add t4, a0, a2 |
|
sh1add t5, a2, a0 |
|
sh1add t6, a2, t4 |
|
.if \width == 8 |
|
sh2add t0, a2, a0 |
|
sh2add t1, a2, t4 |
|
sh2add t2, a2, t5 |
|
sh2add t3, a2, t6 |
|
.endif |
|
vle16.v v0, (a0) |
|
vle16.v v1, (t4) |
|
vle16.v v2, (t5) |
|
vle16.v v3, (t6) |
|
.if \width == 8 |
|
vle16.v v4, (t0) |
|
vle16.v v5, (t1) |
|
vle16.v v6, (t2) |
|
vle16.v v7, (t3) |
|
vsetvli a6, zero, e16, m8, ta, ma |
|
.else |
|
vsetvli a6, zero, e16, m4, ta, ma |
|
.endif |
|
vadd.vx v0, v0, a3 |
|
vmax.vx v0, v0, zero |
|
vmin.vx v0, v0, a5 |
|
.if \width == 8 |
|
vsetivli zero, \width, e16, m1, ta, ma |
|
.else |
|
vsetivli zero, \width, e16, mf2, ta, ma |
|
.endif |
|
vse16.v v0, (a0) |
|
vse16.v v1, (t4) |
|
vse16.v v2, (t5) |
|
vse16.v v3, (t6) |
|
.if \width == 8 |
|
vse16.v v4, (t0) |
|
vse16.v v5, (t1) |
|
vse16.v v6, (t2) |
|
vse16.v v7, (t3) |
|
.endif |
|
ret |
|
endfunc |
|
.endm |
|
|
|
idct_dc_add 4 |
|
idct_dc_add 8 |
|
|
|
.irp depth,9,10,12,14 |
|
func ff_h264_idct4_dc_add_\depth\()_rvv, zve64x |
|
li a5, (1 << \depth) - 1 |
|
j ff_h264_idct4_dc_add_16_rvv |
|
endfunc |
|
|
|
func ff_h264_idct8_dc_add_\depth\()_rvv, zve64x |
|
li a5, (1 << \depth) - 1 |
|
j ff_h264_idct8_dc_add_16_rvv |
|
endfunc |
|
.endr |
|
|
|
const ff_h264_scan8 |
|
.byte 014, 015, 024, 025, 016, 017, 026, 027 |
|
.byte 034, 035, 044, 045, 036, 037, 046, 047 |
|
endconst |
|
|
|
#if (__riscv_xlen == 64) |
|
.macro idct4_adds type, depth |
|
func ff_h264_idct_add\type\()_\depth\()_rvv, zve32x |
|
csrwi vxrm, 0 |
|
addi sp, sp, -64 |
|
lla t0, ff_h264_scan8 |
|
sd s0, (sp) |
|
li t1, 32 * (\depth / 8) |
|
mv s0, sp |
|
sd ra, 8(sp) |
|
sd s1, 16(sp) |
|
sd s2, 24(sp) |
|
sd s3, 32(sp) |
|
sd s4, 40(sp) |
|
sd s5, 48(sp) |
|
vsetivli zero, 16, e8, m1, ta, ma |
|
vle8.v v8, (t0) |
|
.if \depth == 8 |
|
vlse16.v v16, (a2), t1 |
|
.else |
|
vlse32.v v16, (a2), t1 |
|
.endif |
|
vluxei8.v v12, (a4), v8 |
|
.if \depth == 8 |
|
vsetvli zero, zero, e16, m2, ta, ma |
|
.else |
|
vsetvli zero, zero, e32, m4, ta, ma |
|
.endif |
|
vmsne.vi v1, v16, 0 |
|
vsetvli zero, zero, e8, m1, ta, ma |
|
.ifc \type, 16 |
|
vmseq.vi v2, v12, 1 |
|
.endif |
|
vmsne.vi v0, v12, 0 |
|
.ifc \type, 16 |
|
vmand.mm v1, v1, v2 |
|
.endif |
|
vsetvli zero, zero, e16, m2, ta, ma |
|
vmv.x.s s2, v0 |
|
vmv.x.s s3, v1 |
|
li s1, 16 |
|
mv s4, a0 |
|
mv s5, a1 |
|
mv a1, a2 |
|
mv a2, a3 |
|
1: |
|
andi t0, s2, 1 |
|
addi s1, s1, -1 |
|
srli s2, s2, 1 |
|
.ifc \type, 16 |
|
beqz t0, 3f # if (nnz) |
|
.endif |
|
lw t2, (s5) # block_offset[i] |
|
andi t1, s3, 1 |
|
add a0, s4, t2 |
|
.ifc \type, 16 |
|
bnez t1, 2f # if (nnz == 1 && block[i * 16]) |
|
.else |
|
beqz t0, 2f # if (nnzc[scan8[i]]) |
|
.endif |
|
jal .Lidct_add4_\depth\()_rvv |
|
j 3f |
|
2: |
|
.ifnc \type, 16 |
|
beqz t1, 3f # if (block[i * 16]) |
|
.endif |
|
jal ff_h264_idct4_dc_add_\depth\()_rvv |
|
3: |
|
srli s3, s3, 1 |
|
addi s5, s5, 4 |
|
addi a1, a1, 16 * 2 * (\depth / 8) |
|
bnez s1, 1b |
|
|
|
ld s5, 48(sp) |
|
ld s4, 40(sp) |
|
ld s3, 32(sp) |
|
ld s2, 24(sp) |
|
ld s1, 16(sp) |
|
ld ra, 8(sp) |
|
ld s0, 0(sp) |
|
addi sp, sp, 64 |
|
ret |
|
endfunc |
|
.endm |
|
|
|
.irp depth, 8, 16 |
|
idct4_adds 16, \depth |
|
idct4_adds 16intra, \depth |
|
|
|
func ff_h264_idct8_add4_\depth\()_rvv, zve32x |
|
csrwi vxrm, 0 |
|
addi sp, sp, -64 |
|
lla t0, ff_h264_scan8 |
|
sd s0, (sp) |
|
li t1, 4 * 32 * (\depth / 8) |
|
mv s0, sp |
|
li t2, 4 |
|
sd ra, 8(sp) |
|
sd s1, 16(sp) |
|
sd s2, 24(sp) |
|
sd s3, 32(sp) |
|
sd s4, 40(sp) |
|
sd s5, 48(sp) |
|
vsetivli zero, 4, e8, mf4, ta, ma |
|
vlse8.v v8, (t0), t2 |
|
.if \depth == 8 |
|
vlse16.v v16, (a2), t1 |
|
.else |
|
vlse32.v v16, (a2), t1 |
|
.endif |
|
vluxei8.v v12, (a4), v8 |
|
.if \depth == 8 |
|
vsetvli zero, zero, e16, mf2, ta, ma |
|
.else |
|
vsetvli zero, zero, e32, m1, ta, ma |
|
.endif |
|
vmsne.vi v1, v16, 0 |
|
vsetvli zero, zero, e8, mf4, ta, ma |
|
vmseq.vi v2, v12, 1 |
|
vmsne.vi v0, v12, 0 |
|
vmand.mm v1, v1, v2 |
|
vmv.x.s s2, v0 |
|
vmv.x.s s3, v1 |
|
li s1, 4 |
|
mv s4, a0 |
|
mv s5, a1 |
|
mv a1, a2 |
|
mv a2, a3 |
|
1: |
|
andi t0, s2, 1 |
|
addi s1, s1, -1 |
|
srli s2, s2, 1 |
|
beqz t0, 3f # if (nnz) |
|
lw t2, (s5) # block_offset[i] |
|
andi t1, s3, 1 |
|
add a0, s4, t2 |
|
bnez t1, 2f # if (nnz == 1 && block[i * 16]) |
|
jal .Lidct8_add_\depth\()_rvv |
|
.if \depth == 8 |
|
j 3f |
|
.else |
|
j 4f # idct8_add_16 updates a1 |
|
.endif |
|
2: |
|
jal ff_h264_idct8_dc_add_\depth\()_rvv |
|
3: |
|
addi a1, a1, 4 * 16 * 2 * (\depth / 8) |
|
4: |
|
srli s3, s3, 1 |
|
addi s5, s5, 4 * 4 |
|
bnez s1, 1b |
|
|
|
ld s5, 48(sp) |
|
ld s4, 40(sp) |
|
ld s3, 32(sp) |
|
ld s2, 24(sp) |
|
ld s1, 16(sp) |
|
ld ra, 8(sp) |
|
ld s0, 0(sp) |
|
addi sp, sp, 64 |
|
ret |
|
endfunc |
|
.endr |
|
|
|
.irp depth, 9, 10, 12, 14 |
|
func ff_h264_idct_add16_\depth\()_rvv, zve32x |
|
li a5, (1 << \depth) - 1 |
|
j ff_h264_idct_add16_16_rvv |
|
endfunc |
|
|
|
func ff_h264_idct_add16intra_\depth\()_rvv, zve32x |
|
li a5, (1 << \depth) - 1 |
|
j ff_h264_idct_add16intra_16_rvv |
|
endfunc |
|
|
|
func ff_h264_idct8_add4_\depth\()_rvv, zve32x |
|
li a5, (1 << \depth) - 1 |
|
j ff_h264_idct8_add4_16_rvv |
|
endfunc |
|
.endr |
|
#endif
|
|
|