From a28aa0475db99cc66c37c98fd5330e313817709c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= Date: Thu, 13 Jul 2023 23:16:03 +0300 Subject: [PATCH] lavc/vorbisdsp: unroll RISC-V V inverse_coupling This increases the group multiplier as per T-Head C910 benchmarks: inverse_coupling_c: 4597.0 inverse_coupling_rvv_i32: 1312.7 (m1) inverse_coupling_rvv_i32: 1116.7 (m2) inverse_coupling_rvv_i32: 732.2 (m4) inverse_coupling_rvv_i32: 898.0 (m8) --- libavcodec/riscv/vorbisdsp_rvv.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/riscv/vorbisdsp_rvv.S b/libavcodec/riscv/vorbisdsp_rvv.S index f45e7dc2f1..81a6c62a65 100644 --- a/libavcodec/riscv/vorbisdsp_rvv.S +++ b/libavcodec/riscv/vorbisdsp_rvv.S @@ -23,7 +23,7 @@ func ff_vorbis_inverse_coupling_rvv, zve32f fmv.w.x ft0, zero 1: - vsetvli t0, a2, e32, m1, ta, ma + vsetvli t0, a2, e32, m4, ta, ma vle32.v v16, (a1) sub a2, a2, t0 vle32.v v24, (a0)