Le lauantaina 4. toukokuuta 2024, 17.48.32 EEST u...@foxmail.com a écrit : > From: sunyuechi <sunyue...@iscas.ac.cn> > > C908: > vp8_put_bilin4_v_c: 383.5 > vp8_put_bilin4_v_rvv_i32: 139.7 > vp8_put_bilin8_v_c: 1455.7 > vp8_put_bilin8_v_rvv_i32: 299.7 > vp8_put_bilin16_v_c: 2863.7 > vp8_put_bilin16_v_rvv_i32: 347.7 > --- > libavcodec/riscv/vp8dsp_init.c | 7 +++++++ > libavcodec/riscv/vp8dsp_rvv.S | 36 ++++++++++++++++++++++++++++++++++ > 2 files changed, 43 insertions(+) > > diff --git a/libavcodec/riscv/vp8dsp_init.c b/libavcodec/riscv/vp8dsp_init.c > index 32cb4893a4..10e1498d01 100644 > --- a/libavcodec/riscv/vp8dsp_init.c > +++ b/libavcodec/riscv/vp8dsp_init.c > @@ -58,6 +58,13 @@ av_cold void ff_vp78dsp_init_riscv(VP8DSPContext *c) > c->put_vp8_bilinear_pixels_tab[1][0][2] = ff_put_vp8_bilin8_h_rvv; > c->put_vp8_bilinear_pixels_tab[2][0][1] = ff_put_vp8_bilin4_h_rvv; > c->put_vp8_bilinear_pixels_tab[2][0][2] = ff_put_vp8_bilin4_h_rvv; > + > + c->put_vp8_bilinear_pixels_tab[0][1][0] = ff_put_vp8_bilin16_v_rvv; > + c->put_vp8_bilinear_pixels_tab[0][2][0] = > ff_put_vp8_bilin16_v_rvv; + c->put_vp8_bilinear_pixels_tab[1][1][0] > = ff_put_vp8_bilin8_v_rvv; + c->put_vp8_bilinear_pixels_tab[1][2][0] > = ff_put_vp8_bilin8_v_rvv; + c->put_vp8_bilinear_pixels_tab[2][1][0] > = ff_put_vp8_bilin4_v_rvv; + c->put_vp8_bilinear_pixels_tab[2][2][0] > = ff_put_vp8_bilin4_v_rvv; } > #endif > } > diff --git a/libavcodec/riscv/vp8dsp_rvv.S b/libavcodec/riscv/vp8dsp_rvv.S > index c8d265e516..a58c197ba1 100644 > --- a/libavcodec/riscv/vp8dsp_rvv.S > +++ b/libavcodec/riscv/vp8dsp_rvv.S > @@ -152,3 +152,39 @@ endfunc > func ff_put_vp8_bilin4_h_rvv, zve32x > put_vp8_bilin_h 4 > endfunc > + > +.macro put_vp8_bilin_v > + li t1, 8 > + li t4, 4 > + sub t1, t1, a6 > +1: > + add t2, a2, a3 > + addi a4, a4, -1 > + vle8.v v0, (a2) > + vle8.v v2, (t2) > + vwmulu.vx v28, v0, t1 > + vwmaccu.vx v28, a6, v2 > + vwaddu.wx v24, v28, t4 > + vnsra.wi v0, v24, 3 > + vse8.v v0, (a0) > + add a2, a2, a3 > + add a0, a0, a1 > + bnez a4, 1b > + > + ret > +.endm
This looks like it can be factored with a branch rather than a macro. > + > +func ff_put_vp8_bilin16_v_rvv, zve32x > + vsetivli zero, 16, e8, m1, ta, ma > + put_vp8_bilin_v > +endfunc > + > +func ff_put_vp8_bilin8_v_rvv, zve32x > + vsetivli zero, 8, e8, mf2, ta, ma > + put_vp8_bilin_v > +endfunc > + > +func ff_put_vp8_bilin4_v_rvv, zve32x > + vsetivli zero, 4, e8, mf4, ta, ma > + put_vp8_bilin_v > +endfunc -- レミ・デニ-クールモン http://www.remlab.net/ _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
