From 91236c12365de8a39250ceee07a6234a1735ae77 Mon Sep 17 00:00:00 2001
From: sunyuechi <sunyue...@iscas.ac.cn>
Date: Thu, 1 Feb 2024 15:41:09 +0800
Subject: [PATCH 2/2] lavc/blockdsp: R-V V clear_blocks
C908:
blockdsp.clear_blocks_c: 128.2
blockdsp.clear_blocks_rvv_i64: 102.5
---
libavcodec/riscv/blockdsp_init.c | 2 ++
libavcodec/riscv/blockdsp_rvv.S | 18 ++++++++++++++++++
2 files changed, 20 insertions(+)
diff --git a/libavcodec/riscv/blockdsp_init.c b/libavcodec/riscv/blockdsp_init.c
index 5370418687..59b2f9d47b 100644
--- a/libavcodec/riscv/blockdsp_init.c
+++ b/libavcodec/riscv/blockdsp_init.c
@@ -26,6 +26,7 @@
#include "libavcodec/blockdsp.h"
void ff_clear_block_rvv(int16_t *block);
+void ff_clear_blocks_rvv(int16_t *block);
av_cold void ff_blockdsp_init_riscv(BlockDSPContext *c)
{
@@ -34,6 +35,7 @@ av_cold void ff_blockdsp_init_riscv(BlockDSPContext *c)
if (flags & AV_CPU_FLAG_RVV_I64 && ff_get_rv_vlenb() >= 16) {
c->clear_block = ff_clear_block_rvv;
+ c->clear_blocks = ff_clear_blocks_rvv;
}
#endif
}
diff --git a/libavcodec/riscv/blockdsp_rvv.S b/libavcodec/riscv/blockdsp_rvv.S
index e85697613a..19b1ecdbef 100644
--- a/libavcodec/riscv/blockdsp_rvv.S
+++ b/libavcodec/riscv/blockdsp_rvv.S
@@ -27,3 +27,21 @@ func ff_clear_block_rvv, zve64x
ret
endfunc
+
+func ff_clear_blocks_rvv, zve64x
+ vsetivli zero, 16, e64, m8, ta, ma
+ vmv.v.i v0, 0
+ vse64.v v0, (a0)
+ addi a0, a0, 128
+ vse64.v v0, (a0)
+ addi a0, a0, 128
+ vse64.v v0, (a0)
+ addi a0, a0, 128
+ vse64.v v0, (a0)
+ addi a0, a0, 128
+ vse64.v v0, (a0)
+ addi a0, a0, 128
+ vse64.v v0, (a0)
+
+ ret
+endfunc
--
2.43.0
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