lavc/blockdsp: R-V V clear_block

C908: blockdsp.clear_block_c: 47.2 blockdsp.clear_block_rvv_i64: 28.5

sunyuechi committed 2 years ago

Commit 0748d2b1 parent 7bf1b9b5 files · +73 −0Browse files

Unified · Split

5 files

     ff_blockdsp_init_arm(c);
 #elif ARCH_PPC
     ff_blockdsp_init_ppc(c);
+#elif ARCH_RISCV
+    ff_blockdsp_init_riscv(c);
 #elif ARCH_X86
     ff_blockdsp_init_x86(c);
 #elif ARCH_MIPS

@@ -41,6 +41,7 @@ void ff_blockdsp_init(BlockDSPContext *c); · 40 unmodified lines
41	void ff_blockdsp_init_alpha(BlockDSPContext *c);	41	void ff_blockdsp_init_alpha(BlockDSPContext *c);
42	void ff_blockdsp_init_arm(BlockDSPContext *c);	42	void ff_blockdsp_init_arm(BlockDSPContext *c);
43	void ff_blockdsp_init_ppc(BlockDSPContext *c);	43	void ff_blockdsp_init_ppc(BlockDSPContext *c);
		44	void ff_blockdsp_init_riscv(BlockDSPContext *c);
44	void ff_blockdsp_init_x86(BlockDSPContext *c);	45	void ff_blockdsp_init_x86(BlockDSPContext *c);
45	void ff_blockdsp_init_mips(BlockDSPContext *c);	46	void ff_blockdsp_init_mips(BlockDSPContext *c);
46		47

 OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_init.o
 RV-OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_rvf.o
 RVV-OBJS-$(CONFIG_AUDIODSP) += riscv/audiodsp_rvv.o
+OBJS-$(CONFIG_BLOCKDSP) += riscv/blockdsp_init.o
+RVV-OBJS-$(CONFIG_BLOCKDSP) += riscv/blockdsp_rvv.o
 OBJS-$(CONFIG_BSWAPDSP) += riscv/bswapdsp_init.o
 RV-OBJS-$(CONFIG_BSWAPDSP) += riscv/bswapdsp_rvb.o
 RVV-OBJS-$(CONFIG_BSWAPDSP) += riscv/bswapdsp_rvv.o

@@ -0,0 +1,39 @@
	1	/*
	2	* Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
	3	*
	4	* This file is part of FFmpeg.
	5	*
	6	* FFmpeg is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU Lesser General Public
	8	* License as published by the Free Software Foundation; either
	9	* version 2.1 of the License, or (at your option) any later version.
	10	*
	11	* FFmpeg is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with FFmpeg; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#include "config.h"
	22
	23	#include "libavutil/attributes.h"
	24	#include "libavutil/cpu.h"
	25	#include "libavutil/riscv/cpu.h"
	26	#include "libavcodec/blockdsp.h"
	27
	28	void ff_clear_block_rvv(int16_t *block);
	29
	30	av_cold void ff_blockdsp_init_riscv(BlockDSPContext *c)
	31	{
	32	#if HAVE_RVV
	33	int flags = av_get_cpu_flags();
	34
	35	if (flags & AV_CPU_FLAG_RVV_I64 && ff_get_rv_vlenb() >= 16) {
	36	c->clear_block = ff_clear_block_rvv;
	37	}
	38	#endif
	39	}

@@ -0,0 +1,29 @@
	1	/*
	2	* Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
	3	*
	4	* This file is part of FFmpeg.
	5	*
	6	* FFmpeg is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU Lesser General Public
	8	* License as published by the Free Software Foundation; either
	9	* version 2.1 of the License, or (at your option) any later version.
	10	*
	11	* FFmpeg is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with FFmpeg; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#include "libavutil/riscv/asm.S"
	22
	23	func ff_clear_block_rvv, zve64x
	24	vsetivli zero, 16, e64, m8, ta, ma
	25	vmv.v.i v0, 0
	26	vse64.v v0, (a0)
	27
	28	ret
	29	endfunc

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