[FFmpeg-devel] [PATCH] lavc/audiodsp: unroll RISC-V clip functions

[FFmpeg-devel] [PATCH] lavc/audiodsp: unroll RISC-V clip functions

[Rémi Denis-Courmont]

audiodsp.vector_clip_int32_c: 17500.7
audiodsp.vector_clip_int32_rvv_i32: 8404.7  (m1)
audiodsp.vector_clip_int32_rvv_i32: 2689.9  (m8)

audiodsp.vector_clipf_c: 33679.7
audiodsp.vector_clipf_rvf: 7019.7
audiodsp.vector_clipf_rvv_f32: 8328.0       (m1)
audiodsp.vector_clipf_rvv_f32: 2209.4       (m8)
---
 libavcodec/riscv/audiodsp_rvv.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/riscv/audiodsp_rvv.S b/libavcodec/riscv/audiodsp_rvv.S
index f7eba2114f..f0b23bab5e 100644
--- a/libavcodec/riscv/audiodsp_rvv.S
+++ b/libavcodec/riscv/audiodsp_rvv.S
@@ -42,7 +42,7 @@ endfunc
 
 func ff_vector_clip_int32_rvv, zve32x
 1:
-        vsetvli t0, a4, e32, m1, ta, ma
+        vsetvli t0, a4, e32, m8, ta, ma
         vle32.v v8, (a1)
         sub     a4, a4, t0
         vmax.vx v8, v8, a2
@@ -59,7 +59,7 @@ func ff_vector_clipf_rvv, zve32f
 NOHWF   fmv.w.x  fa0, a3
 NOHWF   fmv.w.x  fa1, a4
 1:
-        vsetvli  t0, a2, e32, m1, ta, ma
+        vsetvli  t0, a2, e32, m8, ta, ma
         vle32.v  v8, (a1)
         sub      a2, a2, t0
         vfmax.vf v8, v8, fa0
-- 
2.40.1

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