May 7, 2024, 18:54 by u...@foxmail.com:
> From: sunyuechi <sunyue...@iscas.ac.cn>
>
> C908:
> vp8_put_pixels4_c: 78.0
> vp8_put_pixels4_rvi: 33.7
> vp8_put_pixels8_c: 278.0
> vp8_put_pixels8_rvi: 55.0
> vp8_put_pixels16_c: 999.0
> vp8_put_pixels16_rvi: 86.7
> ---
> libavcodec/riscv/Makefile | 1 +
> libavcodec/riscv/vp8dsp.h | 75 ++++++++++++++++++++++++++++++++++
> libavcodec/riscv/vp8dsp_init.c | 22 ++++++++++
> libavcodec/riscv/vp8dsp_rvi.S | 61 +++++++++++++++++++++++++++
> libavcodec/vp8dsp.c | 2 +
> libavcodec/vp8dsp.h | 1 +
> 6 files changed, 162 insertions(+)
> create mode 100644 libavcodec/riscv/vp8dsp.h
> create mode 100644 libavcodec/riscv/vp8dsp_rvi.S
>
> +
> +av_cold void ff_vp78dsp_init_riscv(VP8DSPContext *c)
> +{
> +#if HAVE_RV
> + int flags = av_get_cpu_flags();
> + if (flags & AV_CPU_FLAG_RVI) {
> +#if __riscv_xlen >= 64
>
Why are you not detecting this at runtime?
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