Oct 2, 2022, 13:55 by r...@remlab.net:
> From: Rémi Denis-Courmont <r...@remlab.net>
>
> ---
> libavcodec/riscv/bswapdsp_init.c | 5 ++++-
> libavcodec/riscv/bswapdsp_rvv.S | 17 +++++++++++++++++
> 2 files changed, 21 insertions(+), 1 deletion(-)
>
> diff --git a/libavcodec/riscv/bswapdsp_init.c
> b/libavcodec/riscv/bswapdsp_init.c
> index c17b6b75bb..abe84ec1f7 100644
> --- a/libavcodec/riscv/bswapdsp_init.c
> +++ b/libavcodec/riscv/bswapdsp_init.c
> @@ -27,6 +27,7 @@
>
> void ff_bswap32_buf_rvb(uint32_t *dst, const uint32_t *src, int len);
> void ff_bswap32_buf_rvv(uint32_t *dst, const uint32_t *src, int len);
> +void ff_bswap16_buf_rvv(uint16_t *dst, const uint16_t *src, int len);
>
> av_cold void ff_bswapdsp_init_riscv(BswapDSPContext *c)
> {
> @@ -37,7 +38,9 @@ av_cold void ff_bswapdsp_init_riscv(BswapDSPContext *c)
> c->bswap_buf = ff_bswap32_buf_rvb;
> #endif
> #if HAVE_RVV
> - if (cpu_flags & AV_CPU_FLAG_RVV_I32)
> + if (cpu_flags & AV_CPU_FLAG_RVV_I32) {
> c->bswap_buf = ff_bswap32_buf_rvv;
> + c->bswap16_buf = ff_bswap16_buf_rvv;
> + }
> #endif
> }
> diff --git a/libavcodec/riscv/bswapdsp_rvv.S b/libavcodec/riscv/bswapdsp_rvv.S
> index 7ea747b3ce..ef2999c1be 100644
> --- a/libavcodec/riscv/bswapdsp_rvv.S
> +++ b/libavcodec/riscv/bswapdsp_rvv.S
> @@ -43,3 +43,20 @@ func ff_bswap32_buf_rvv, zve32x
>
> ret
> endfunc
> +
> +func ff_bswap16_buf_rvv, zve32x
> + li t2, 2
> + addi t1, a0, 1
> +1:
> + vsetvli t0, a2, e8, m1, ta, ma
> + vlseg2e8.v v8, (a1)
> + sub a2, a2, t0
> + sh1add a1, t0, a1
> + vsse8.v v8, (t1), t2
> + sh1add t1, t0, t1
> + vsse8.v v9, (a0), t2
> + sh1add a0, t0, a0
> + bnez a2, 1b
> +
> + ret
> +endfunc
>
Pushed patchset with a minor bump and apichanges
Thanks
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