From: "Rémi Denis-Courmont" <remi@remlab.net>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH] lavc/audiodsp: fix RISC-V V scalar product (again)
Date: Sun, 16 Oct 2022 13:53:19 +0300
Message-ID: <20221016105319.11061-1-remi@remlab.net> (raw)
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
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