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| author | sunyuechi <sunyuechi@iscas.ac.cn> | 2024-03-06 12:46:03 +0800 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2024-05-03 17:49:23 +0300 |
| commit | 7d0673db7eb285ffe6da51fa2ab981b38a6f7542 (patch) | |
| tree | 6867d617bbec885d3b7ae5b8e72e841a99007afc | |
| parent | b369c4d569a1612e3a2a4f2ef2b3a112d741a7b0 (diff) | |
| download | ffmpeg-7d0673db7eb285ffe6da51fa2ab981b38a6f7542.tar.gz | |
lavc/blockdsp: R-V V fill_block
C908:
blockdsp.fill_block_tab[0]_c: 549.7
blockdsp.fill_block_tab[0]_rvv_i64: 48.2
blockdsp.fill_block_tab[1]_c: 77.0
blockdsp.fill_block_tab[1]_rvv_i64: 19.7
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
| -rw-r--r-- | libavcodec/riscv/blockdsp_init.c | 6 | ||||
| -rw-r--r-- | libavcodec/riscv/blockdsp_rvv.S | 21 |
2 files changed, 27 insertions, 0 deletions
diff --git a/libavcodec/riscv/blockdsp_init.c b/libavcodec/riscv/blockdsp_init.c index 59b2f9d47b..42c8e87fa7 100644 --- a/libavcodec/riscv/blockdsp_init.c +++ b/libavcodec/riscv/blockdsp_init.c @@ -27,6 +27,10 @@ void ff_clear_block_rvv(int16_t *block); void ff_clear_blocks_rvv(int16_t *block); +void ff_fill_block16_rvv(uint8_t *block, uint8_t value, ptrdiff_t line_size, + int h); +void ff_fill_block8_rvv(uint8_t *block, uint8_t value, ptrdiff_t line_size, + int h); av_cold void ff_blockdsp_init_riscv(BlockDSPContext *c) { @@ -36,6 +40,8 @@ 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; + c->fill_block_tab[0] = ff_fill_block16_rvv; + c->fill_block_tab[1] = ff_fill_block8_rvv; } #endif } diff --git a/libavcodec/riscv/blockdsp_rvv.S b/libavcodec/riscv/blockdsp_rvv.S index 8bb00bb467..18ab17da00 100644 --- a/libavcodec/riscv/blockdsp_rvv.S +++ b/libavcodec/riscv/blockdsp_rvv.S @@ -40,3 +40,24 @@ func ff_clear_blocks_rvv, zve64x ret endfunc + +func ff_fill_block16_rvv, zve32x + vsetivli t0, 16, e8, m1, ta, ma + vmv.v.x v8, a1 +1: + addi a3, a3, -1 + vse8.v v8, (a0) + add a0, a0, a2 + bnez a3, 1b + + ret +endfunc + +func ff_fill_block8_rvv, zve64x + vsetvli t0, zero, e8, m4, ta, ma + vmv.v.x v8, a1 + vsetvli t0, a3, e64, m4, ta, ma + vsse64.v v8, (a0), a2 + + ret +endfunc |