2024-07-01 22:41:37 +02:00
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/*
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2024-07-18 19:41:06 +02:00
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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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2024-07-01 22:41:37 +02:00
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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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2024-07-02 21:03:07 +02:00
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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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2024-07-22 21:17:40 +02:00
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lpad 0
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2024-07-02 21:03:07 +02:00
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csrwi vxrm, 0
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2024-07-31 21:04:45 +02:00
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.Lidct4_add_8_rvv:
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2024-07-02 21:03:07 +02:00
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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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2024-07-10 22:20:54 +02:00
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.equ offset, 0
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2024-07-02 21:03:07 +02:00
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.rept 256 / __riscv_xlen
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2024-07-10 22:20:54 +02:00
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sx zero, offset(a1)
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.equ offset, offset + (__riscv_xlen / 8)
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2024-07-02 21:03:07 +02:00
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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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2024-07-02 21:03:07 +02:00
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func ff_h264_idct_add_16_rvv, zve32x
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csrwi vxrm, 0
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2024-07-31 21:04:45 +02:00
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.Lidct4_add_16_rvv:
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2024-07-02 21:03:07 +02:00
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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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2024-07-15 20:19:39 +02:00
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vmin.vx v\n, v\n, a5
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2024-07-02 21:03:07 +02:00
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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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2024-07-03 18:49:54 +02:00
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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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2024-07-22 21:17:40 +02:00
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lpad 0
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2024-07-03 18:49:54 +02:00
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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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2024-07-10 22:20:54 +02:00
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.equ offset, 0
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2024-07-03 18:49:54 +02:00
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.rept 1024 / __riscv_xlen
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2024-07-10 22:20:54 +02:00
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sx zero, offset(a1)
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.equ offset, offset + (__riscv_xlen / 8)
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2024-07-03 18:49:54 +02:00
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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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2024-07-22 19:23:50 +02:00
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func ff_h264_idct8_add_16_rvv, zve32x, zba
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2024-07-11 21:01:25 +02:00
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csrwi vxrm, 0
|
2024-07-15 20:19:39 +02:00
|
|
|
.Lidct8_add_16_rvv:
|
|
|
|
li a4, 8
|
|
|
|
vsetivli a3, 8, e32, m1, ta, ma
|
2024-07-11 21:01:25 +02:00
|
|
|
1:
|
|
|
|
addi t1, a1, 1 * 8 * 4
|
|
|
|
vle32.v v0, (a1)
|
|
|
|
addi t2, a1, 2 * 8 * 4
|
|
|
|
vle32.v v1, (t1)
|
|
|
|
addi t3, a1, 3 * 8 * 4
|
|
|
|
vle32.v v2, (t2)
|
|
|
|
addi t4, a1, 4 * 8 * 4
|
|
|
|
vle32.v v3, (t3)
|
|
|
|
addi t5, a1, 5 * 8 * 4
|
|
|
|
vle32.v v4, (t4)
|
|
|
|
addi t6, a1, 6 * 8 * 4
|
|
|
|
vle32.v v5, (t5)
|
|
|
|
addi a7, a1, 7 * 8 * 4
|
|
|
|
vle32.v v6, (t6)
|
2024-07-15 20:19:39 +02:00
|
|
|
sub a4, a4, a3
|
2024-07-11 21:01:25 +02:00
|
|
|
vle32.v v7, (a7)
|
|
|
|
jal t0, ff_h264_idct8_rvv
|
|
|
|
vse32.v v0, (a1)
|
2024-07-15 20:19:39 +02:00
|
|
|
sh2add a1, a3, a1
|
2024-07-11 21:01:25 +02:00
|
|
|
vse32.v v1, (t1)
|
|
|
|
vse32.v v2, (t2)
|
|
|
|
vse32.v v3, (t3)
|
|
|
|
vse32.v v4, (t4)
|
|
|
|
vse32.v v5, (t5)
|
|
|
|
vse32.v v6, (t6)
|
|
|
|
vse32.v v7, (a7)
|
|
|
|
bnez a4, 1b
|
|
|
|
|
|
|
|
addi a1, a1, -8 * 4
|
|
|
|
li a4, 8
|
2024-07-15 20:19:39 +02:00
|
|
|
slli a6, a3, 3 + 2
|
2024-07-11 21:01:25 +02:00
|
|
|
2:
|
|
|
|
vsetvli zero, zero, e32, m1, ta, ma
|
|
|
|
vlseg8e32.v v0, (a1)
|
|
|
|
jal t0, ff_h264_idct8_rvv
|
|
|
|
add t1, a0, a2
|
|
|
|
vle16.v v16, (a0)
|
|
|
|
add t2, t1, a2
|
|
|
|
vle16.v v17, (t1)
|
|
|
|
add t3, t2, a2
|
|
|
|
vle16.v v18, (t2)
|
|
|
|
add t4, t3, a2
|
|
|
|
vle16.v v19, (t3)
|
|
|
|
add t5, t4, a2
|
|
|
|
vle16.v v20, (t4)
|
|
|
|
add t6, t5, a2
|
|
|
|
vle16.v v21, (t5)
|
|
|
|
add a7, t6, a2
|
|
|
|
vle16.v v22, (t6)
|
2024-07-15 20:19:39 +02:00
|
|
|
sub a4, a4, a3
|
2024-07-11 21:01:25 +02:00
|
|
|
vle16.v v23, (a7)
|
|
|
|
.irp n,0,1,2,3,4,5,6,7
|
|
|
|
vssra.vi v\n, v\n, 6
|
|
|
|
.endr
|
|
|
|
vsetvli zero, zero, e16, mf2, ta, ma
|
|
|
|
vwaddu.wv v0, v0, v16
|
|
|
|
add a1, a6, a1
|
|
|
|
vwaddu.wv v1, v1, v17
|
|
|
|
vwaddu.wv v2, v2, v18
|
|
|
|
vwaddu.wv v3, v3, v19
|
|
|
|
vwaddu.wv v4, v4, v20
|
|
|
|
vwaddu.wv v5, v5, v21
|
|
|
|
vwaddu.wv v6, v6, v22
|
|
|
|
vwaddu.wv v7, v7, v23
|
|
|
|
vsetvli zero, zero, e32, m1, ta, ma
|
|
|
|
.irp n,0,1,2,3,4,5,6,7
|
|
|
|
vmax.vx v\n, v\n, zero
|
|
|
|
.endr
|
|
|
|
.irp n,0,1,2,3,4,5,6,7
|
2024-07-15 20:19:39 +02:00
|
|
|
vmin.vx v\n, v\n, a5
|
2024-07-11 21:01:25 +02:00
|
|
|
.endr
|
|
|
|
vsetvli zero, zero, e16, mf2, ta, ma
|
|
|
|
vncvt.x.x.w v16, v0
|
|
|
|
vncvt.x.x.w v17, v1
|
|
|
|
vncvt.x.x.w v18, v2
|
|
|
|
vncvt.x.x.w v19, v3
|
|
|
|
vncvt.x.x.w v20, v4
|
|
|
|
vncvt.x.x.w v21, v5
|
|
|
|
vncvt.x.x.w v22, v6
|
|
|
|
vncvt.x.x.w v23, v7
|
|
|
|
vse16.v v16, (a0)
|
2024-07-15 20:19:39 +02:00
|
|
|
sh1add a0, a3, a0
|
2024-07-11 21:01:25 +02:00
|
|
|
vse16.v v17, (t1)
|
|
|
|
vse16.v v18, (t2)
|
|
|
|
vse16.v v19, (t3)
|
|
|
|
vse16.v v20, (t4)
|
|
|
|
vse16.v v21, (t5)
|
|
|
|
vse16.v v22, (t6)
|
|
|
|
vse16.v v23, (a7)
|
|
|
|
bnez a4, 2b
|
|
|
|
|
|
|
|
.equ offset, 0
|
|
|
|
.rept 2048 / __riscv_xlen
|
|
|
|
sx zero, offset - 8 * 8 * 4(a1)
|
|
|
|
.equ offset, offset + (__riscv_xlen / 8)
|
|
|
|
.endr
|
|
|
|
ret
|
|
|
|
endfunc
|
|
|
|
|
|
|
|
.irp depth, 9, 10, 12, 14
|
|
|
|
func ff_h264_idct_add_\depth\()_rvv, zve32x
|
2024-07-22 21:17:40 +02:00
|
|
|
lpad 0
|
2024-07-15 20:19:39 +02:00
|
|
|
li a5, (1 << \depth) - 1
|
2024-07-11 21:01:25 +02:00
|
|
|
j ff_h264_idct_add_16_rvv
|
|
|
|
endfunc
|
|
|
|
|
|
|
|
func ff_h264_idct8_add_\depth\()_rvv, zve32x
|
2024-07-22 21:17:40 +02:00
|
|
|
lpad 0
|
2024-07-15 20:19:39 +02:00
|
|
|
li a5, (1 << \depth) - 1
|
2024-07-11 21:01:25 +02:00
|
|
|
j ff_h264_idct8_add_16_rvv
|
|
|
|
endfunc
|
|
|
|
.endr
|
|
|
|
|
2024-07-18 19:41:06 +02:00
|
|
|
.macro idct_dc_add8 width
|
2024-07-25 19:47:34 +02:00
|
|
|
func ff_h264_idct\width\()_dc_add_8_rvv, zve64x, b
|
2024-07-22 21:17:40 +02:00
|
|
|
lpad 0
|
2024-07-18 19:41:06 +02:00
|
|
|
.if \width == 8
|
2024-07-18 20:24:35 +02:00
|
|
|
vsetivli zero, \width, e8, mf2, ta, ma
|
2024-07-18 19:41:06 +02:00
|
|
|
.else
|
2024-07-18 20:24:35 +02:00
|
|
|
vsetivli zero, \width, e8, mf4, ta, ma
|
2024-07-18 19:41:06 +02:00
|
|
|
.endif
|
2024-07-16 21:59:34 +02:00
|
|
|
lh t0, 0(a1)
|
2024-07-25 19:47:34 +02:00
|
|
|
li t1, 255
|
2024-07-16 21:59:34 +02:00
|
|
|
addi t0, t0, 32
|
|
|
|
srai t0, t0, 6
|
2024-07-18 19:41:06 +02:00
|
|
|
sh zero, 0(a1)
|
|
|
|
.if \width == 8
|
2024-07-18 20:24:35 +02:00
|
|
|
li a6, \width * \width
|
2024-07-18 19:41:06 +02:00
|
|
|
vlse64.v v24, (a0), a2
|
2024-07-25 19:47:34 +02:00
|
|
|
vsetvli zero, a6, e8, m4, ta, ma
|
2024-07-18 19:41:06 +02:00
|
|
|
.else
|
|
|
|
vlse32.v v24, (a0), a2
|
2024-07-25 19:47:34 +02:00
|
|
|
vsetivli zero, \width * \width, e8, m1, ta, ma
|
2024-07-18 19:41:06 +02:00
|
|
|
.endif
|
2024-07-25 19:47:34 +02:00
|
|
|
bgez t0, 1f
|
|
|
|
|
|
|
|
neg t0, t0
|
|
|
|
minu t0, t0, t1
|
|
|
|
vssubu.vx v24, v24, t0
|
|
|
|
.if \width == 8
|
|
|
|
vsetivli zero, \width, e8, mf2, ta, ma
|
|
|
|
vsse64.v v24, (a0), a2
|
2024-07-18 19:41:06 +02:00
|
|
|
.else
|
2024-07-25 19:47:34 +02:00
|
|
|
vsetivli zero, \width, e8, mf4, ta, ma
|
|
|
|
vsse32.v v24, (a0), a2
|
2024-07-18 19:41:06 +02:00
|
|
|
.endif
|
2024-07-25 19:47:34 +02:00
|
|
|
ret
|
|
|
|
1:
|
|
|
|
minu t0, t0, t1
|
|
|
|
vsaddu.vx v24, v24, t0
|
2024-07-18 19:41:06 +02:00
|
|
|
.if \width == 8
|
2024-07-18 20:24:35 +02:00
|
|
|
vsetivli zero, \width, e8, mf2, ta, ma
|
2024-07-18 19:41:06 +02:00
|
|
|
vsse64.v v24, (a0), a2
|
|
|
|
.else
|
2024-07-18 20:24:35 +02:00
|
|
|
vsetivli zero, \width, e8, mf4, ta, ma
|
2024-07-18 19:41:06 +02:00
|
|
|
vsse32.v v24, (a0), a2
|
|
|
|
.endif
|
|
|
|
ret
|
|
|
|
endfunc
|
|
|
|
.endm
|
|
|
|
|
|
|
|
idct_dc_add8 4
|
|
|
|
idct_dc_add8 8
|
|
|
|
|
|
|
|
.macro idct_dc_add width
|
|
|
|
func ff_h264_idct\width\()_dc_add_16_rvv, zve64x, zba
|
2024-07-18 20:24:35 +02:00
|
|
|
.if \width == 8
|
2024-07-18 19:41:06 +02:00
|
|
|
vsetivli zero, \width, e16, m1, ta, ma
|
2024-07-18 20:24:35 +02:00
|
|
|
.else
|
|
|
|
vsetivli zero, \width, e16, mf2, ta, ma
|
|
|
|
.endif
|
2024-07-16 21:59:34 +02:00
|
|
|
lw t0, 0(a1)
|
|
|
|
addi t0, t0, 32
|
|
|
|
srai t0, t0, 6
|
2024-07-18 19:41:06 +02:00
|
|
|
sw zero, 0(a1)
|
2024-07-16 21:59:34 +02:00
|
|
|
add t1, a0, a2
|
|
|
|
sh1add t2, a2, a0
|
|
|
|
sh1add t3, a2, t1
|
2024-07-18 19:41:06 +02:00
|
|
|
.if \width == 8
|
2024-07-16 21:59:34 +02:00
|
|
|
sh2add t4, a2, a0
|
|
|
|
sh2add t5, a2, t1
|
|
|
|
sh2add t6, a2, t2
|
|
|
|
sh2add a7, a2, t3
|
2024-07-18 19:41:06 +02:00
|
|
|
.endif
|
|
|
|
vle16.v v0, (a0)
|
2024-07-16 21:59:34 +02:00
|
|
|
vle16.v v1, (t1)
|
|
|
|
vle16.v v2, (t2)
|
|
|
|
vle16.v v3, (t3)
|
2024-07-18 19:41:06 +02:00
|
|
|
.if \width == 8
|
2024-07-16 21:59:34 +02:00
|
|
|
vle16.v v4, (t4)
|
|
|
|
vle16.v v5, (t5)
|
|
|
|
vle16.v v6, (t6)
|
|
|
|
vle16.v v7, (a7)
|
2024-07-18 19:41:06 +02:00
|
|
|
vsetvli a6, zero, e16, m8, ta, ma
|
|
|
|
.else
|
|
|
|
vsetvli a6, zero, e16, m4, ta, ma
|
|
|
|
.endif
|
2024-07-16 21:59:34 +02:00
|
|
|
vadd.vx v0, v0, t0
|
2024-07-18 19:41:06 +02:00
|
|
|
vmax.vx v0, v0, zero
|
|
|
|
vmin.vx v0, v0, a5
|
2024-07-18 20:24:35 +02:00
|
|
|
.if \width == 8
|
2024-07-18 19:41:06 +02:00
|
|
|
vsetivli zero, \width, e16, m1, ta, ma
|
2024-07-18 20:24:35 +02:00
|
|
|
.else
|
|
|
|
vsetivli zero, \width, e16, mf2, ta, ma
|
|
|
|
.endif
|
2024-07-18 19:41:06 +02:00
|
|
|
vse16.v v0, (a0)
|
2024-07-16 21:59:34 +02:00
|
|
|
vse16.v v1, (t1)
|
|
|
|
vse16.v v2, (t2)
|
|
|
|
vse16.v v3, (t3)
|
2024-07-18 19:41:06 +02:00
|
|
|
.if \width == 8
|
2024-07-16 21:59:34 +02:00
|
|
|
vse16.v v4, (t4)
|
|
|
|
vse16.v v5, (t5)
|
|
|
|
vse16.v v6, (t6)
|
|
|
|
vse16.v v7, (a7)
|
2024-07-18 19:41:06 +02:00
|
|
|
.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
|
2024-07-22 21:17:40 +02:00
|
|
|
lpad 0
|
2024-07-18 19:41:06 +02:00
|
|
|
li a5, (1 << \depth) - 1
|
|
|
|
j ff_h264_idct4_dc_add_16_rvv
|
|
|
|
endfunc
|
|
|
|
|
|
|
|
func ff_h264_idct8_dc_add_\depth\()_rvv, zve64x
|
2024-07-22 21:17:40 +02:00
|
|
|
lpad 0
|
2024-07-18 19:41:06 +02:00
|
|
|
li a5, (1 << \depth) - 1
|
|
|
|
j ff_h264_idct8_dc_add_16_rvv
|
|
|
|
endfunc
|
|
|
|
.endr
|
|
|
|
|
2024-07-01 22:41:37 +02:00
|
|
|
const ff_h264_scan8
|
2024-07-31 21:04:45 +02:00
|
|
|
.byte 014, 015, 024, 025, 016, 017, 026, 027
|
|
|
|
.byte 034, 035, 044, 045, 036, 037, 046, 047
|
|
|
|
.byte 064, 065, 074, 075, 066, 067, 076, 077
|
|
|
|
.byte 0104, 0105, 0114, 0115, 0106, 0107, 0116, 0117
|
|
|
|
.byte 0134, 0135, 0144, 0145, 0136, 0137, 0146, 0147
|
|
|
|
.byte 0154, 0155, 0164, 0165, 0156, 0157, 0166, 0167
|
2024-07-01 22:41:37 +02:00
|
|
|
endconst
|
|
|
|
|
2024-07-31 21:04:45 +02:00
|
|
|
.macro idct4_add16 type, depth
|
2024-07-19 21:16:01 +02:00
|
|
|
func ff_h264_idct_add\type\()_\depth\()_rvv, zve32x, b
|
2024-07-22 21:17:40 +02:00
|
|
|
.if \depth == 8
|
|
|
|
lpad 0
|
|
|
|
.endif
|
2024-07-02 21:03:07 +02:00
|
|
|
csrwi vxrm, 0
|
2024-07-01 22:41:37 +02:00
|
|
|
lla t0, ff_h264_scan8
|
|
|
|
vsetivli zero, 16, e8, m1, ta, ma
|
2024-07-31 21:04:45 +02:00
|
|
|
.ifc \type, 16intra
|
|
|
|
.Lidct4_add4_\depth\()_rvv:
|
|
|
|
.endif
|
|
|
|
li t1, 32 * (\depth / 8)
|
2024-07-01 22:41:37 +02:00
|
|
|
vle8.v v8, (t0)
|
2024-07-15 20:19:39 +02:00
|
|
|
.if \depth == 8
|
2024-07-01 22:41:37 +02:00
|
|
|
vlse16.v v16, (a2), t1
|
2024-07-15 20:19:39 +02:00
|
|
|
.else
|
|
|
|
vlse32.v v16, (a2), t1
|
|
|
|
.endif
|
2024-07-01 22:41:37 +02:00
|
|
|
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
|
2024-07-16 21:45:14 +02:00
|
|
|
.ifc \type, 16
|
2024-07-01 22:41:37 +02:00
|
|
|
vmseq.vi v2, v12, 1
|
2024-07-16 21:45:14 +02:00
|
|
|
.endif
|
2024-07-01 22:41:37 +02:00
|
|
|
vmsne.vi v0, v12, 0
|
2024-07-16 21:45:14 +02:00
|
|
|
.ifc \type, 16
|
2024-07-01 22:41:37 +02:00
|
|
|
vmand.mm v1, v1, v2
|
2024-07-16 21:45:14 +02:00
|
|
|
.endif
|
2024-07-01 22:41:37 +02:00
|
|
|
vsetvli zero, zero, e16, m2, ta, ma
|
2024-07-16 21:59:34 +02:00
|
|
|
vmv.x.s a4, v0
|
|
|
|
vmv.x.s a7, v1
|
2024-07-19 21:16:01 +02:00
|
|
|
zext.h a4, a4
|
|
|
|
slli a7, a7, 16
|
2024-07-16 21:59:34 +02:00
|
|
|
mv t4, a0
|
2024-07-19 21:16:01 +02:00
|
|
|
or a4, a4, a7
|
2024-07-16 21:59:34 +02:00
|
|
|
mv t5, a1
|
2024-07-18 19:53:22 +02:00
|
|
|
mv a1, a2
|
|
|
|
mv a2, a3
|
2024-07-31 21:04:45 +02:00
|
|
|
csrr a3, vl
|
2024-07-19 21:16:01 +02:00
|
|
|
mv a7, ra
|
2024-07-01 22:41:37 +02:00
|
|
|
1:
|
2024-07-16 21:59:34 +02:00
|
|
|
andi t0, a4, 1
|
|
|
|
addi a3, a3, -1
|
2024-07-16 21:45:14 +02:00
|
|
|
.ifc \type, 16
|
2024-07-01 22:41:37 +02:00
|
|
|
beqz t0, 3f # if (nnz)
|
2024-07-15 20:19:39 +02:00
|
|
|
.endif
|
2024-07-16 21:59:34 +02:00
|
|
|
lw t2, (t5) # block_offset[i]
|
2024-07-19 21:16:01 +02:00
|
|
|
bexti t1, a4, 16
|
2024-07-16 21:59:34 +02:00
|
|
|
add a0, t4, t2
|
2024-07-16 21:45:14 +02:00
|
|
|
.ifc \type, 16
|
|
|
|
bnez t1, 2f # if (nnz == 1 && block[i * 16])
|
|
|
|
.else
|
2024-07-01 22:41:37 +02:00
|
|
|
beqz t0, 2f # if (nnzc[scan8[i]])
|
2024-07-16 21:45:14 +02:00
|
|
|
.endif
|
2024-07-31 21:04:45 +02:00
|
|
|
jal .Lidct4_add_\depth\()_rvv
|
2024-07-01 22:41:37 +02:00
|
|
|
j 3f
|
|
|
|
2:
|
2024-07-16 21:45:14 +02:00
|
|
|
.ifnc \type, 16
|
2024-07-01 22:41:37 +02:00
|
|
|
beqz t1, 3f # if (block[i * 16])
|
2024-07-16 21:45:14 +02:00
|
|
|
.endif
|
2024-07-18 19:53:22 +02:00
|
|
|
jal ff_h264_idct4_dc_add_\depth\()_rvv
|
2024-07-01 22:41:37 +02:00
|
|
|
3:
|
2024-07-19 21:16:01 +02:00
|
|
|
srli a4, a4, 1
|
2024-07-16 21:59:34 +02:00
|
|
|
addi t5, t5, 4
|
2024-07-18 19:53:22 +02:00
|
|
|
addi a1, a1, 16 * 2 * (\depth / 8)
|
2024-07-16 21:59:34 +02:00
|
|
|
bnez a3, 1b
|
2024-07-01 22:41:37 +02:00
|
|
|
|
2024-07-19 21:16:01 +02:00
|
|
|
mv ra, a7
|
2024-07-01 22:41:37 +02:00
|
|
|
ret
|
|
|
|
endfunc
|
2024-07-16 21:45:14 +02:00
|
|
|
.endm
|
|
|
|
|
2024-07-31 21:04:45 +02:00
|
|
|
.macro idct4_add8 type, depth
|
|
|
|
func ff_h264_idct4_add\type\()_\depth\()_rvv, zve32x
|
|
|
|
.if \depth == 8
|
|
|
|
lpad 0
|
|
|
|
.endif
|
|
|
|
csrwi vxrm, 0
|
|
|
|
addi sp, sp, -32
|
|
|
|
addi a2, a2, 16 * 16 * 2 * (\depth / 8) # &block[16 * 16]
|
|
|
|
lla t0, ff_h264_scan8 + 16
|
|
|
|
sd s0, 0(sp)
|
|
|
|
sd ra, 8(sp)
|
|
|
|
mv s0, sp
|
|
|
|
sd a0, 16(sp)
|
|
|
|
sd a4, 24(sp)
|
|
|
|
ld a0, 0(a0) # dest[0]
|
|
|
|
addi a1, a1, 16 * 4 # &block_offset[16]
|
|
|
|
vsetivli zero, 4, e8, mf4, ta, ma
|
|
|
|
jal .Lidct4_add4_\depth\()_rvv
|
|
|
|
|
|
|
|
ld a4, 24(sp) # nnzc
|
|
|
|
ld a0, 16(sp)
|
|
|
|
mv a3, a2 # stride
|
|
|
|
addi a2, a1, (16 - 4) * 16 * 2 * (\depth / 8) # &block[32 * 16]
|
|
|
|
addi a1, t5, (16 - 4) * 4 # &block_offset[32]
|
|
|
|
ld a0, 8(a0) # dest[1]
|
|
|
|
lla t0, ff_h264_scan8 + 32
|
|
|
|
.ifc \type, 8_422
|
|
|
|
vsetivli zero, 4, e8, mf4, ta, ma
|
|
|
|
jal .Lidct4_add4_\depth\()_rvv
|
|
|
|
|
|
|
|
ld a4, 24(sp) # nnzc
|
|
|
|
ld a0, 16(sp)
|
|
|
|
mv a3, a2 # stride
|
|
|
|
addi a2, a1, (-12- 4) * 16 * 2 * (\depth / 8) # &block[20 * 16]
|
|
|
|
addi a1, t5, (-8 - 4) * 4 # &block_offset[24]
|
|
|
|
ld a0, 0(a0) # dest[0]
|
|
|
|
lla t0, ff_h264_scan8 + 24
|
|
|
|
vsetivli zero, 4, e8, mf4, ta, ma
|
|
|
|
jal .Lidct4_add4_\depth\()_rvv
|
|
|
|
|
|
|
|
ld a4, 24(sp) # nnzc
|
|
|
|
ld a0, 16(sp)
|
|
|
|
mv a3, a2 # stride
|
|
|
|
addi a2, a1, (16 - 4) * 16 * 2 * (\depth / 8) # &block[36 * 16]
|
|
|
|
addi a1, t5, (16 - 4) * 4 # &block_offset[40]
|
|
|
|
ld a0, 8(a0) # dest[1]
|
|
|
|
lla t0, ff_h264_scan8 + 40
|
|
|
|
.endif
|
|
|
|
ld ra, 8(sp)
|
|
|
|
ld s0, 0(sp)
|
|
|
|
addi sp, sp, 32
|
|
|
|
vsetivli zero, 4, e8, mf4, ta, ma
|
|
|
|
j .Lidct4_add4_\depth\()_rvv
|
|
|
|
endfunc
|
|
|
|
.endm
|
|
|
|
|
2024-07-16 21:45:14 +02:00
|
|
|
.irp depth, 8, 16
|
2024-07-31 21:04:45 +02:00
|
|
|
idct4_add16 16, \depth
|
|
|
|
idct4_add16 16intra, \depth
|
|
|
|
idct4_add8 8, \depth
|
|
|
|
idct4_add8 8_422, \depth
|
2024-07-01 22:41:37 +02:00
|
|
|
|
2024-07-19 21:16:01 +02:00
|
|
|
#if (__riscv_xlen == 64)
|
|
|
|
func ff_h264_idct8_add4_\depth\()_rvv, zve32x, b
|
2024-07-22 21:17:40 +02:00
|
|
|
.if \depth == 8
|
|
|
|
lpad 0
|
|
|
|
.endif
|
2024-07-03 18:49:54 +02:00
|
|
|
csrwi vxrm, 0
|
2024-07-19 21:16:01 +02:00
|
|
|
addi sp, sp, -48
|
2024-07-01 22:41:37 +02:00
|
|
|
lla t0, ff_h264_scan8
|
|
|
|
sd s0, (sp)
|
2024-07-15 20:19:39 +02:00
|
|
|
li t1, 4 * 32 * (\depth / 8)
|
2024-07-01 22:41:37 +02:00
|
|
|
mv s0, sp
|
|
|
|
li t2, 4
|
|
|
|
sd ra, 8(sp)
|
|
|
|
sd s1, 16(sp)
|
|
|
|
sd s2, 24(sp)
|
2024-07-19 21:16:01 +02:00
|
|
|
sd s4, 32(sp)
|
|
|
|
sd s5, 40(sp)
|
2024-07-01 22:41:37 +02:00
|
|
|
vsetivli zero, 4, e8, mf4, ta, ma
|
|
|
|
vlse8.v v8, (t0), t2
|
2024-07-15 20:19:39 +02:00
|
|
|
.if \depth == 8
|
2024-07-01 22:41:37 +02:00
|
|
|
vlse16.v v16, (a2), t1
|
2024-07-15 20:19:39 +02:00
|
|
|
.else
|
|
|
|
vlse32.v v16, (a2), t1
|
|
|
|
.endif
|
2024-07-01 22:41:37 +02:00
|
|
|
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
|
2024-07-19 21:16:01 +02:00
|
|
|
vmv.x.s a7, v1
|
|
|
|
zext.h s2, s2
|
|
|
|
slli a7, a7, 16
|
2024-07-01 22:41:37 +02:00
|
|
|
li s1, 4
|
2024-07-19 21:16:01 +02:00
|
|
|
or s2, s2, a7
|
2024-07-01 22:41:37 +02:00
|
|
|
mv s4, a0
|
|
|
|
mv s5, a1
|
2024-07-18 19:53:22 +02:00
|
|
|
mv a1, a2
|
|
|
|
mv a2, a3
|
2024-07-01 22:41:37 +02:00
|
|
|
1:
|
|
|
|
andi t0, s2, 1
|
|
|
|
addi s1, s1, -1
|
|
|
|
beqz t0, 3f # if (nnz)
|
|
|
|
lw t2, (s5) # block_offset[i]
|
2024-07-19 21:16:01 +02:00
|
|
|
bexti t1, s2, 16
|
2024-07-01 22:41:37 +02:00
|
|
|
add a0, s4, t2
|
2024-07-15 20:19:39 +02:00
|
|
|
bnez t1, 2f # if (nnz == 1 && block[i * 16])
|
|
|
|
jal .Lidct8_add_\depth\()_rvv
|
|
|
|
.if \depth == 8
|
2024-07-18 19:53:22 +02:00
|
|
|
j 3f
|
2024-07-15 20:19:39 +02:00
|
|
|
.else
|
2024-07-18 19:53:22 +02:00
|
|
|
j 4f # idct8_add_16 updates a1
|
2024-07-15 20:19:39 +02:00
|
|
|
.endif
|
2024-07-18 19:53:22 +02:00
|
|
|
2:
|
|
|
|
jal ff_h264_idct8_dc_add_\depth\()_rvv
|
2024-07-01 22:41:37 +02:00
|
|
|
3:
|
2024-07-18 19:53:22 +02:00
|
|
|
addi a1, a1, 4 * 16 * 2 * (\depth / 8)
|
|
|
|
4:
|
2024-07-19 21:16:01 +02:00
|
|
|
srli s2, s2, 1
|
2024-07-01 22:41:37 +02:00
|
|
|
addi s5, s5, 4 * 4
|
|
|
|
bnez s1, 1b
|
|
|
|
|
2024-07-19 21:16:01 +02:00
|
|
|
ld s5, 40(sp)
|
|
|
|
ld s4, 32(sp)
|
2024-07-01 22:41:37 +02:00
|
|
|
ld s2, 24(sp)
|
|
|
|
ld s1, 16(sp)
|
|
|
|
ld ra, 8(sp)
|
|
|
|
ld s0, 0(sp)
|
2024-07-19 21:16:01 +02:00
|
|
|
addi sp, sp, 48
|
2024-07-01 22:41:37 +02:00
|
|
|
ret
|
|
|
|
endfunc
|
2024-07-19 21:16:01 +02:00
|
|
|
#endif
|
2024-07-01 22:41:37 +02:00
|
|
|
.endr
|
2024-07-15 20:19:39 +02:00
|
|
|
|
|
|
|
.irp depth, 9, 10, 12, 14
|
|
|
|
func ff_h264_idct_add16_\depth\()_rvv, zve32x
|
2024-07-22 21:17:40 +02:00
|
|
|
lpad 0
|
2024-07-15 20:19:39 +02:00
|
|
|
li a5, (1 << \depth) - 1
|
|
|
|
j ff_h264_idct_add16_16_rvv
|
|
|
|
endfunc
|
|
|
|
|
|
|
|
func ff_h264_idct_add16intra_\depth\()_rvv, zve32x
|
2024-07-22 21:17:40 +02:00
|
|
|
lpad 0
|
2024-07-15 20:19:39 +02:00
|
|
|
li a5, (1 << \depth) - 1
|
|
|
|
j ff_h264_idct_add16intra_16_rvv
|
|
|
|
endfunc
|
|
|
|
|
2024-07-19 21:16:01 +02:00
|
|
|
#if (__riscv_xlen == 64)
|
2024-07-15 20:19:39 +02:00
|
|
|
func ff_h264_idct8_add4_\depth\()_rvv, zve32x
|
2024-07-22 21:17:40 +02:00
|
|
|
lpad 0
|
2024-07-15 20:19:39 +02:00
|
|
|
li a5, (1 << \depth) - 1
|
|
|
|
j ff_h264_idct8_add4_16_rvv
|
|
|
|
endfunc
|
2024-07-31 21:04:45 +02:00
|
|
|
|
|
|
|
func ff_h264_idct4_add8_\depth\()_rvv, zve32x
|
|
|
|
lpad 0
|
|
|
|
li a5, (1 << \depth) - 1
|
|
|
|
j ff_h264_idct4_add8_16_rvv
|
|
|
|
endfunc
|
|
|
|
|
|
|
|
func ff_h264_idct4_add8_422_\depth\()_rvv, zve32x
|
|
|
|
lpad 0
|
|
|
|
li a5, (1 << \depth) - 1
|
|
|
|
j ff_h264_idct4_add8_422_16_rvv
|
|
|
|
endfunc
|
2024-07-01 22:41:37 +02:00
|
|
|
#endif
|
2024-07-19 21:16:01 +02:00
|
|
|
.endr
|