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Code Issues Releases Activity

lavc/blockdsp: R-V V clear_blocks

Browse Source 
C908:
blockdsp.clear_blocks_c: 128.2
blockdsp.clear_blocks_rvv_i64: 102.5

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
This commit is contained in:
sunyuechi 2024-02-01 15:41:09 +08:00 committed by Rémi Denis-Courmont
parent d2ae2aad8c
commit fdebde817c
2 changed files with 15 additions and 0 deletions
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2
libavcodec/riscv/blockdsp_init.c
View File

@ -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
}

13
libavcodec/riscv/blockdsp_rvv.S
View File

@ -27,3 +27,16 @@ 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
.rept 5
vse64.v v0, (a0)
addi a0, a0, 128
.endr
vse64.v v0, (a0)
ret
endfunc