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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>
This commit is contained in:
sunyuechi 2024-03-06 12:46:03 +08:00 committed by Rémi Denis-Courmont
parent b369c4d569
commit 7d0673db7e
2 changed files with 27 additions and 0 deletions
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6
libavcodec/riscv/blockdsp_init.c
View File

@ -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
}

21
libavcodec/riscv/blockdsp_rvv.S
View File

@ -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