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374 lines
11 KiB
374 lines
11 KiB
/* |
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* Copyright (c) 2023 SiFive, Inc. All rights reserved. |
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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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.macro do_chroma_mc type unroll |
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csrw vxrm, zero |
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slli t2, a5, 3 |
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mul t1, a5, a4 |
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sh3add a5, a4, t2 |
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slli a4, a4, 3 |
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sub a5, t1, a5 |
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sub a7, a4, t1 |
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addi a6, a5, 64 |
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sub t0, t2, t1 |
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vsetvli t3, t6, e8, m1, ta, mu |
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beqz t1, 2f |
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blez a3, 8f |
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li t4, 0 |
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li t2, 0 |
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li t5, 1 |
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addi a5, t3, 1 |
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slli t3, a2, (1 + \unroll) |
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1: # if (xy != 0) |
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add a4, a1, t4 |
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vsetvli zero, a5, e8, m1, ta, ma |
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.ifc \unroll,1 |
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addi t2, t2, 4 |
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.else |
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addi t2, t2, 2 |
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.endif |
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vle8.v v10, (a4) |
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add a4, a4, a2 |
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vslide1down.vx v11, v10, t5 |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmulu.vx v8, v10, a6 |
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vwmaccu.vx v8, a7, v11 |
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vsetvli zero, a5, e8, m1, ta, ma |
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vle8.v v12, (a4) |
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vsetvli zero, t6, e8, m1, ta, ma |
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add a4, a4, a2 |
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vwmaccu.vx v8, t0, v12 |
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vsetvli zero, a5, e8, m1, ta, ma |
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vslide1down.vx v13, v12, t5 |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmulu.vx v10, v12, a6 |
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vwmaccu.vx v8, t1, v13 |
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vwmaccu.vx v10, a7, v13 |
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vsetvli zero, a5, e8, m1, ta, ma |
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vle8.v v14, (a4) |
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vsetvli zero, t6, e8, m1, ta, ma |
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add a4, a4, a2 |
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vwmaccu.vx v10, t0, v14 |
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vsetvli zero, a5, e8, m1, ta, ma |
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vslide1down.vx v15, v14, t5 |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmulu.vx v12, v14, a6 |
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vwmaccu.vx v10, t1, v15 |
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vwmaccu.vx v12, a7, v15 |
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vnclipu.wi v15, v8, 6 |
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.ifc \type,avg |
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vle8.v v9, (a0) |
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vaaddu.vv v15, v15, v9 |
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.endif |
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vse8.v v15, (a0) |
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add a0, a0, a2 |
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vnclipu.wi v8, v10, 6 |
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.ifc \type,avg |
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vle8.v v9, (a0) |
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vaaddu.vv v8, v8, v9 |
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.endif |
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add t4, t4, t3 |
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vse8.v v8, (a0) |
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add a0, a0, a2 |
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.ifc \unroll,1 |
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vsetvli zero, a5, e8, m1, ta, ma |
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vle8.v v14, (a4) |
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vsetvli zero, t6, e8, m1, ta, ma |
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add a4, a4, a2 |
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vwmaccu.vx v12, t0, v14 |
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vsetvli zero, a5, e8, m1, ta, ma |
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vslide1down.vx v15, v14, t5 |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmulu.vx v16, v14, a6 |
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vwmaccu.vx v12, t1, v15 |
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vwmaccu.vx v16, a7, v15 |
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vsetvli zero, a5, e8, m1, ta, ma |
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vle8.v v14, (a4) |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmaccu.vx v16, t0, v14 |
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vsetvli zero, a5, e8, m1, ta, ma |
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vslide1down.vx v14, v14, t5 |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmaccu.vx v16, t1, v14 |
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vnclipu.wi v8, v12, 6 |
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.ifc \type,avg |
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vle8.v v9, (a0) |
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vaaddu.vv v8, v8, v9 |
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.endif |
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vse8.v v8, (a0) |
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add a0, a0, a2 |
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vnclipu.wi v8, v16, 6 |
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.ifc \type,avg |
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vle8.v v9, (a0) |
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vaaddu.vv v8, v8, v9 |
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.endif |
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vse8.v v8, (a0) |
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add a0, a0, a2 |
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.endif |
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blt t2, a3, 1b |
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j 8f |
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2: |
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bnez a4, 4f |
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beqz t2, 4f |
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blez a3, 8f |
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li a4, 0 |
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li t1, 0 |
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slli a7, a2, (1 + \unroll) |
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3: # if ((x8 - xy) == 0 && (y8 -xy) != 0) |
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add a5, a1, a4 |
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vsetvli zero, zero, e8, m1, ta, ma |
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.ifc \unroll,1 |
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addi t1, t1, 4 |
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.else |
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addi t1, t1, 2 |
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.endif |
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vle8.v v8, (a5) |
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add a5, a5, a2 |
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add t2, a5, a2 |
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vwmulu.vx v10, v8, a6 |
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vle8.v v8, (a5) |
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vwmulu.vx v12, v8, a6 |
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vle8.v v9, (t2) |
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add t2, t2, a2 |
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add a5, t2, a2 |
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vwmaccu.vx v10, t0, v8 |
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add a4, a4, a7 |
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vwmaccu.vx v12, t0, v9 |
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vnclipu.wi v15, v10, 6 |
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vwmulu.vx v10, v9, a6 |
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vnclipu.wi v9, v12, 6 |
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.ifc \type,avg |
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vle8.v v16, (a0) |
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vaaddu.vv v15, v15, v16 |
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.endif |
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vse8.v v15, (a0) |
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add a0, a0, a2 |
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.ifc \type,avg |
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vle8.v v16, (a0) |
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vaaddu.vv v9, v9, v16 |
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.endif |
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vse8.v v9, (a0) |
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add a0, a0, a2 |
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.ifc \unroll,1 |
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vle8.v v8, (t2) |
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vle8.v v14, (a5) |
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vwmaccu.vx v10, t0, v8 |
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vwmulu.vx v12, v8, a6 |
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vnclipu.wi v8, v10, 6 |
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vwmaccu.vx v12, t0, v14 |
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.ifc \type,avg |
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vle8.v v16, (a0) |
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vaaddu.vv v8, v8, v16 |
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.endif |
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vse8.v v8, (a0) |
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add a0, a0, a2 |
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vnclipu.wi v8, v12, 6 |
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.ifc \type,avg |
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vle8.v v16, (a0) |
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vaaddu.vv v8, v8, v16 |
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.endif |
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vse8.v v8, (a0) |
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add a0, a0, a2 |
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.endif |
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blt t1, a3, 3b |
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j 8f |
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4: |
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beqz a4, 6f |
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bnez t2, 6f |
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blez a3, 8f |
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li a4, 0 |
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li t2, 0 |
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addi t0, t3, 1 |
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slli t1, a2, (1 + \unroll) |
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5: # if ((x8 - xy) != 0 && (y8 -xy) == 0) |
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add a5, a1, a4 |
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vsetvli zero, t0, e8, m1, ta, ma |
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.ifc \unroll,1 |
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addi t2, t2, 4 |
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.else |
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addi t2, t2, 2 |
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.endif |
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vle8.v v8, (a5) |
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add a5, a5, a2 |
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vslide1down.vx v9, v8, t5 |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmulu.vx v10, v8, a6 |
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vwmaccu.vx v10, a7, v9 |
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vsetvli zero, t0, e8, m1, ta, ma |
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vle8.v v8, (a5) |
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add a5, a5, a2 |
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vslide1down.vx v9, v8, t5 |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmulu.vx v12, v8, a6 |
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vwmaccu.vx v12, a7, v9 |
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vnclipu.wi v16, v10, 6 |
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.ifc \type,avg |
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vle8.v v18, (a0) |
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vaaddu.vv v16, v16, v18 |
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.endif |
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vse8.v v16, (a0) |
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add a0, a0, a2 |
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vnclipu.wi v10, v12, 6 |
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.ifc \type,avg |
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vle8.v v18, (a0) |
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vaaddu.vv v10, v10, v18 |
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.endif |
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add a4, a4, t1 |
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vse8.v v10, (a0) |
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add a0, a0, a2 |
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.ifc \unroll,1 |
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vsetvli zero, t0, e8, m1, ta, ma |
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vle8.v v8, (a5) |
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add a5, a5, a2 |
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vslide1down.vx v9, v8, t5 |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmulu.vx v14, v8, a6 |
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vwmaccu.vx v14, a7, v9 |
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vsetvli zero, t0, e8, m1, ta, ma |
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vle8.v v8, (a5) |
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vslide1down.vx v9, v8, t5 |
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vsetvli zero, t6, e8, m1, ta, ma |
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vwmulu.vx v12, v8, a6 |
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vnclipu.wi v8, v14, 6 |
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vwmaccu.vx v12, a7, v9 |
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.ifc \type,avg |
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vle8.v v18, (a0) |
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vaaddu.vv v8, v8, v18 |
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.endif |
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vse8.v v8, (a0) |
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add a0, a0, a2 |
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vnclipu.wi v8, v12, 6 |
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.ifc \type,avg |
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vle8.v v18, (a0) |
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vaaddu.vv v8, v8, v18 |
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.endif |
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vse8.v v8, (a0) |
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add a0, a0, a2 |
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.endif |
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blt t2, a3, 5b |
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j 8f |
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6: |
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blez a3, 8f |
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li a4, 0 |
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li t2, 0 |
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slli a7, a2, (1 + \unroll) |
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7: # the final else, none of the above conditions are met |
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add t0, a1, a4 |
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vsetvli zero, zero, e8, m1, ta, ma |
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add a5, a0, a4 |
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add a4, a4, a7 |
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.ifc \unroll,1 |
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addi t2, t2, 4 |
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.else |
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addi t2, t2, 2 |
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.endif |
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vle8.v v8, (t0) |
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add t0, t0, a2 |
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add t1, t0, a2 |
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vwmulu.vx v10, v8, a6 |
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vle8.v v8, (t0) |
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add t0, t1, a2 |
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vnclipu.wi v13, v10, 6 |
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vwmulu.vx v10, v8, a6 |
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.ifc \type,avg |
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vle8.v v18, (a5) |
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vaaddu.vv v13, v13, v18 |
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.endif |
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vse8.v v13, (a5) |
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add a5, a5, a2 |
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vnclipu.wi v8, v10, 6 |
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.ifc \type,avg |
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vle8.v v18, (a5) |
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vaaddu.vv v8, v8, v18 |
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.endif |
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vse8.v v8, (a5) |
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add a5, a5, a2 |
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.ifc \unroll,1 |
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vle8.v v9, (t1) |
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vle8.v v12, (t0) |
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vwmulu.vx v10, v9, a6 |
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vnclipu.wi v8, v10, 6 |
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vwmulu.vx v10, v12, a6 |
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.ifc \type,avg |
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vle8.v v18, (a5) |
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vaaddu.vv v8, v8, v18 |
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.endif |
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vse8.v v8, (a5) |
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add a5, a5, a2 |
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vnclipu.wi v8, v10, 6 |
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.ifc \type,avg |
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vle8.v v18, (a5) |
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vaaddu.vv v8, v8, v18 |
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.endif |
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vse8.v v8, (a5) |
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.endif |
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blt t2, a3, 7b |
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8: |
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ret |
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.endm |
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func h264_put_chroma_mc_rvv, zve32x |
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11: |
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li a7, 3 |
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blt a3, a7, 12f |
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do_chroma_mc put 1 |
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12: |
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do_chroma_mc put 0 |
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endfunc |
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func h264_avg_chroma_mc_rvv, zve32x |
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21: |
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li a7, 3 |
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blt a3, a7, 22f |
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do_chroma_mc avg 1 |
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22: |
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do_chroma_mc avg 0 |
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endfunc |
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func h264_put_chroma_mc8_rvv, zve32x |
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li t6, 8 |
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j 11b |
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endfunc |
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func h264_put_chroma_mc4_rvv, zve32x |
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li t6, 4 |
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j 11b |
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endfunc |
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func h264_put_chroma_mc2_rvv, zve32x |
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li t6, 2 |
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j 11b |
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endfunc |
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func h264_avg_chroma_mc8_rvv, zve32x |
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li t6, 8 |
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j 21b |
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endfunc |
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func h264_avg_chroma_mc4_rvv, zve32x |
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li t6, 4 |
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j 21b |
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endfunc |
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func h264_avg_chroma_mc2_rvv, zve32x |
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li t6, 2 |
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j 21b |
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endfunc
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