From: "Rémi Denis-Courmont" <remi@remlab.net>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH] lavc/startcode: fix RVV return value on no match
Date: Mon, 27 May 2024 22:07:05 +0300
Message-ID: <20240527190705.845511-1-remi@remlab.net> (raw)
If there are no zero bytes, t2 equals -1. The code cannot simply fall
through to the match case.
---
libavcodec/riscv/startcode_rvv.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/riscv/startcode_rvv.S b/libavcodec/riscv/startcode_rvv.S
index 7c43b1d7f3..36a3369431 100644
--- a/libavcodec/riscv/startcode_rvv.S
+++ b/libavcodec/riscv/startcode_rvv.S
@@ -37,6 +37,8 @@ func ff_startcode_find_candidate_rvv, zve32x
bgez t2, 2f
add t0, t0, t1
bnez a1, 1b
+
+ mv t2, zero
2:
add t0, t0, t2
sub a0, t0, a0
--
2.45.1
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