The loop uses a 32-bit accumulator. The current code would only zero the lower 16 bits thereof. --- libavcodec/riscv/audiodsp_rvv.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/riscv/audiodsp_rvv.S b/libavcodec/riscv/audiodsp_rvv.S index 8e8bbd2058..af1e07bef9 100644 --- a/libavcodec/riscv/audiodsp_rvv.S +++ b/libavcodec/riscv/audiodsp_rvv.S @@ -21,7 +21,7 @@ #include "libavutil/riscv/asm.S" func ff_scalarproduct_int16_rvv, zve32x - vsetivli zero, 1, e16, m1, ta, ma + vsetivli zero, 1, e32, m1, ta, ma vmv.s.x v8, zero 1: vsetvli t0, a2, e16, m1, ta, ma -- 2.37.2