Use this instead <u...@foxmail.com> 于2024年11月19日周二 17:12写道：
> From: sunyuechi <sunyue...@iscas.ac.cn> > > --- > libavcodec/riscv/rv40dsp_rvv.S | 113 ++++++++++++++++++++++----------- > 1 file changed, 75 insertions(+), 38 deletions(-) > > diff --git a/libavcodec/riscv/rv40dsp_rvv.S > b/libavcodec/riscv/rv40dsp_rvv.S > index ca431eb8ab..dc36b09be3 100644 > --- a/libavcodec/riscv/rv40dsp_rvv.S > +++ b/libavcodec/riscv/rv40dsp_rvv.S > @@ -20,15 +20,28 @@ > > #include "libavutil/riscv/asm.S" > > -.macro manual_avg dst src1 src2 > - vadd.vv \dst, \src1, \src2 > - vadd.vi \dst, \dst, 1 > - vsrl.vi \dst, \dst, 1 > -.endm > +const rv40_bias > + .byte 0, 16, 32, 16 > + .byte 32, 28, 32, 28 > + .byte 0, 32, 16, 32 > + .byte 32, 28, 32, 28 > +endconst > > .macro do_chroma_mc type unroll > - csrwi vxrm, 2 > + csrwi vxrm, 0 > +#if __riscv_xlen == 64 > + addi sp, sp, -8 > + sd s0, (sp) > +#else > + addi sp, sp, -4 > + sw s0, (sp) > +#endif > + lla t4, rv40_bias > + srli t5, a4, 1 > + sh1add t4, a5, t4 > + add t5, t4, t5 > slli t2, a5, 3 > + lb s0, (t5) > mul t1, a5, a4 > sh3add a5, a4, t2 > slli a4, a4, 3 > @@ -80,17 +93,19 @@ > vwmulu.vx v12, v14, a6 > vwmaccu.vx v10, t1, v15 > vwmaccu.vx v12, a7, v15 > - vnclipu.wi v15, v8, 6 > + vwaddu.wx v20, v8, s0 > + vnsrl.wi v15, v20, 6 > .ifc \type,avg > vle8.v v9, (a0) > - manual_avg v15, v15, v9 > + vaaddu.vv v15, v15, v9 > .endif > vse8.v v15, (a0) > add a0, a0, a2 > - vnclipu.wi v8, v10, 6 > + vwaddu.wx v20, v10, s0 > + vnsrl.wi v8, v20, 6 > .ifc \type,avg > vle8.v v9, (a0) > - manual_avg v8, v8, v9 > + vaaddu.vv v8, v8, v9 > .endif > add t4, t4, t3 > vse8.v v8, (a0) > @@ -115,17 +130,19 @@ > vslide1down.vx v14, v14, t5 > vsetvli zero, t6, e8, m1, ta, ma > vwmaccu.vx v16, t1, v14 > - vnclipu.wi v8, v12, 6 > + vwaddu.wx v20, v12, s0 > + vnsrl.wi v8, v20, 6 > .ifc \type,avg > vle8.v v9, (a0) > - manual_avg v8, v8, v9 > + vaaddu.vv v8, v8, v9 > .endif > vse8.v v8, (a0) > add a0, a0, a2 > - vnclipu.wi v8, v16, 6 > + vwaddu.wx v20, v16, s0 > + vnsrl.wi v8, v20, 6 > .ifc \type,avg > vle8.v v9, (a0) > - manual_avg v8, v8, v9 > + vaaddu.vv v8, v8, v9 > .endif > vse8.v v8, (a0) > add a0, a0, a2 > @@ -159,18 +176,20 @@ > vwmaccu.vx v10, t0, v8 > add a4, a4, a7 > vwmaccu.vx v12, t0, v9 > - vnclipu.wi v15, v10, 6 > + vwaddu.wx v20, v10, s0 > + vnsrl.wi v15, v20, 6 > vwmulu.vx v10, v9, a6 > - vnclipu.wi v9, v12, 6 > + vwaddu.wx v20, v12, s0 > + vnsrl.wi v9, v20, 6 > .ifc \type,avg > vle8.v v16, (a0) > - manual_avg v15, v15, v16 > + vaaddu.vv v15, v15, v16 > .endif > vse8.v v15, (a0) > add a0, a0, a2 > .ifc \type,avg > vle8.v v16, (a0) > - manual_avg v9, v9, v16 > + vaaddu.vv v9, v9, v16 > .endif > vse8.v v9, (a0) > add a0, a0, a2 > @@ -179,18 +198,20 @@ > vle8.v v14, (a5) > vwmaccu.vx v10, t0, v8 > vwmulu.vx v12, v8, a6 > - vnclipu.wi v8, v10, 6 > + vwaddu.wx v20, v10, s0 > + vnsrl.wi v8, v20, 6 > vwmaccu.vx v12, t0, v14 > .ifc \type,avg > vle8.v v16, (a0) > - manual_avg v8, v8, v16 > + vaaddu.vv v8, v8, v16 > .endif > vse8.v v8, (a0) > add a0, a0, a2 > - vnclipu.wi v8, v12, 6 > + vwaddu.wx v20, v12, s0 > + vnsrl.wi v8, v20, 6 > .ifc \type,avg > vle8.v v16, (a0) > - manual_avg v8, v8, v16 > + vaaddu.vv v8, v8, v16 > .endif > vse8.v v8, (a0) > add a0, a0, a2 > @@ -226,17 +247,19 @@ > vsetvli zero, t6, e8, m1, ta, ma > vwmulu.vx v12, v8, a6 > vwmaccu.vx v12, a7, v9 > - vnclipu.wi v16, v10, 6 > + vwaddu.wx v20, v10, s0 > + vnsrl.wi v16, v20, 6 > .ifc \type,avg > vle8.v v18, (a0) > - manual_avg v16, v16, v18 > + vaaddu.vv v16, v16, v18 > .endif > vse8.v v16, (a0) > add a0, a0, a2 > - vnclipu.wi v10, v12, 6 > + vwaddu.wx v20, v12, s0 > + vnsrl.wi v10, v20, 6 > .ifc \type,avg > vle8.v v18, (a0) > - manual_avg v10, v10, v18 > + vaaddu.vv v10, v10, v18 > .endif > add a4, a4, t1 > vse8.v v10, (a0) > @@ -254,18 +277,20 @@ > vslide1down.vx v9, v8, t5 > vsetvli zero, t6, e8, m1, ta, ma > vwmulu.vx v12, v8, a6 > - vnclipu.wi v8, v14, 6 > + vwaddu.wx v20, v14, s0 > + vnsrl.wi v8, v20, 6 > vwmaccu.vx v12, a7, v9 > .ifc \type,avg > vle8.v v18, (a0) > - manual_avg v8, v8, v18 > + vaaddu.vv v8, v8, v18 > .endif > vse8.v v8, (a0) > add a0, a0, a2 > - vnclipu.wi v8, v12, 6 > + vwaddu.wx v20, v12, s0 > + vnsrl.wi v8, v20, 6 > .ifc \type,avg > vle8.v v18, (a0) > - manual_avg v8, v8, v18 > + vaaddu.vv v8, v8, v18 > .endif > vse8.v v8, (a0) > add a0, a0, a2 > @@ -293,18 +318,20 @@ > vwmulu.vx v10, v8, a6 > vle8.v v8, (t0) > add t0, t1, a2 > - vnclipu.wi v13, v10, 6 > + vwaddu.wx v20, v10, s0 > + vnsrl.wi v13, v20, 6 > vwmulu.vx v10, v8, a6 > .ifc \type,avg > vle8.v v18, (a5) > - manual_avg v13, v13, v18 > + vaaddu.vv v13, v13, v18 > .endif > vse8.v v13, (a5) > add a5, a5, a2 > - vnclipu.wi v8, v10, 6 > + vwaddu.wx v20, v10, s0 > + vnsrl.wi v8, v20, 6 > .ifc \type,avg > vle8.v v18, (a5) > - manual_avg v8, v8, v18 > + vaaddu.vv v8, v8, v18 > .endif > vse8.v v8, (a5) > add a5, a5, a2 > @@ -312,23 +339,33 @@ > vle8.v v9, (t1) > vle8.v v12, (t0) > vwmulu.vx v10, v9, a6 > - vnclipu.wi v8, v10, 6 > + vwaddu.wx v20, v10, s0 > + vnsrl.wi v8, v20, 6 > vwmulu.vx v10, v12, a6 > .ifc \type,avg > vle8.v v18, (a5) > - manual_avg v8, v8, v18 > + vaaddu.vv v8, v8, v18 > .endif > vse8.v v8, (a5) > add a5, a5, a2 > - vnclipu.wi v8, v10, 6 > + vwaddu.wx v20, v10, s0 > + vnsrl.wi v8, v20, 6 > .ifc \type,avg > vle8.v v18, (a5) > - manual_avg v8, v8, v18 > + vaaddu.vv v8, v8, v18 > .endif > vse8.v v8, (a5) > .endif > blt t2, a3, 7b > 8: > +#if __riscv_xlen == 64 > + ld s0, (sp) > + addi sp, sp, 8 > +#else > + lw s0, (sp) > + addi sp, sp, 4 > +#endif > + > ret > .endm > > -- > 2.47.0 > > > _______________________________________________ > 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". > _______________________________________________ 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".
