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| author | Rémi Denis-Courmont <remi@remlab.net> | 2022-09-26 17:52:29 +0300 |
|---|---|---|
| committer | Lynne <dev@lynne.ee> | 2022-09-27 13:19:52 +0200 |
| commit | 89b7ec65a8c50a88ca730c666410f5743f600634 (patch) | |
| tree | 3d4d31c10ad8746fe67b0d966e45c8afc092a62d | |
| parent | a6c10d05fe26dcfb5920fa4ce8ea8f74bf5f82dc (diff) | |
| download | ffmpeg-89b7ec65a8c50a88ca730c666410f5743f600634.tar.gz | |
lavu/floatdsp: RISC-V V vector_dmul_scalar
| -rw-r--r-- | libavutil/riscv/float_dsp_init.c | 6 | ||||
| -rw-r--r-- | libavutil/riscv/float_dsp_rvv.S | 17 |
2 files changed, 23 insertions, 0 deletions
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 |