ffmpeg | branch: master | Rémi Denis-Courmont <[email protected]> | Mon Sep 26 17:52:29 2022 +0300| [89b7ec65a8c50a88ca730c666410f5743f600634] | committer: Lynne
lavu/floatdsp: RISC-V V vector_dmul_scalar > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=89b7ec65a8c50a88ca730c666410f5743f600634 --- libavutil/riscv/float_dsp_init.c | 6 ++++++ libavutil/riscv/float_dsp_rvv.S | 17 +++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/libavutil/riscv/float_dsp_init.c b/libavutil/riscv/float_dsp_init.c index f4299049b0..3386139d49 100644 --- a/libavutil/riscv/float_dsp_init.c +++ b/libavutil/riscv/float_dsp_init.c @@ -28,6 +28,9 @@ void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul, int len); +void ff_vector_dmul_scalar_rvv(double *dst, const double *src, double mul, + int len); + av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) { #if HAVE_RVV @@ -35,5 +38,8 @@ av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp) if (flags & AV_CPU_FLAG_RVV_F32) fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv; + + if (flags & AV_CPU_FLAG_RVV_F64) + fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_rvv; #endif } diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index 50cb1fa90f..17dda471b4 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -37,3 +37,20 @@ NOHWF mv a2, a3 ret endfunc + +// (a0) = (a1) * fa0 [0..a2-1] +func ff_vector_dmul_scalar_rvv, zve64d +NOHWD fmv.d.x fa0, a2 +NOHWD mv a2, a3 +1: + vsetvli t0, a2, e64, m1, ta, ma + vle64.v v16, (a1) + sub a2, a2, t0 + vfmul.vf v16, v16, fa0 + sh3add a1, t0, a1 + vse64.v v16, (a0) + sh3add a0, t0, a0 + bnez a2, 1b + + ret +endfunc _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
