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| author | Rémi Denis-Courmont <remi@remlab.net> | 2023-09-29 20:31:36 +0300 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2023-10-03 22:48:10 +0300 |
| commit | 9240035c0e0c81d59a8175e84ca8b2b8595ee343 (patch) | |
| tree | 9bee02ee287776466b3a40de26e75a08059c431e | |
| parent | fe6d46490f5ea9155fe0601b6246960ae17317fc (diff) | |
| download | ffmpeg-9240035c0e0c81d59a8175e84ca8b2b8595ee343.tar.gz | |
lavu/float_dsp: avoid reg-stride in R-V V fmul_window
| -rw-r--r-- | libavutil/riscv/float_dsp_rvv.S | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/libavutil/riscv/float_dsp_rvv.S b/libavutil/riscv/float_dsp_rvv.S index 7e9e84d526..91b70bf148 100644 --- a/libavutil/riscv/float_dsp_rvv.S +++ b/libavutil/riscv/float_dsp_rvv.S @@ -75,32 +75,37 @@ endfunc func ff_vector_fmul_window_rvv, zve32f // a0: dst, a1: src0, a2: src1, a3: window, a4: length - addi t0, a4, -1 - add t1, t0, a4 - sh2add a2, t0, a2 - sh2add t0, t1, a0 - sh2add t3, t1, a3 - li t1, -4 // byte stride + vsetvli t0, zero, e16, m4, ta, ma + sh2add a2, a4, a2 + vid.v v0 + sh3add t3, a4, a3 + vadd.vi v0, v0, 1 + sh3add t0, a4, a0 1: - vsetvli t2, a4, e32, m4, ta, ma - vle32.v v16, (a1) + vsetvli t2, a4, e16, m2, ta, ma slli t4, t2, 2 - vlse32.v v20, (a2), t1 + vrsub.vx v2, v0, t2 + sub t3, t3, t4 + vsetvli zero, zero, e32, m4, ta, ma + sub a2, a2, t4 + vle32.v v8, (t3) + sub t0, t0, t4 + vle32.v v4, (a2) sub a4, a4, t2 - vle32.v v24, (a3) + vrgatherei16.vv v28, v8, v2 + vle32.v v16, (a1) add a1, a1, t4 - vlse32.v v28, (t3), t1 - sub a2, a2, t4 - vfmul.vv v0, v16, v28 + vrgatherei16.vv v20, v4, v2 + vle32.v v24, (a3) add a3, a3, t4 - vfmul.vv v8, v16, v24 - sub t3, t3, t4 - vfnmsac.vv v0, v20, v24 - vfmacc.vv v8, v20, v28 - vse32.v v0, (a0) + vfmul.vv v12, v16, v28 + vfmul.vv v16, v16, v24 + vfnmsac.vv v12, v20, v24 + vfmacc.vv v16, v20, v28 + vrgatherei16.vv v8, v16, v2 + vse32.v v12, (a0) add a0, a0, t4 - vsse32.v v8, (t0), t1 - sub t0, t0, t4 + vse32.v v8, (t0) bnez a4, 1b ret |