From: "Rémi Denis-Courmont" <remi@remlab.net>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 2/3] lavu/timer: remove gratuitous volatile
Date: Tue, 15 Aug 2023 18:27:46 +0300
Message-ID: <20230815152747.28925-2-remi@remlab.net> (raw)
AV_READ_TIME has no side effects. It does not need to be volatile.
---
libavutil/riscv/timer.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavutil/riscv/timer.h b/libavutil/riscv/timer.h
index c2465a4524..b418d13a26 100644
--- a/libavutil/riscv/timer.h
+++ b/libavutil/riscv/timer.h
@@ -29,13 +29,13 @@ static inline uint64_t ff_read_time(void)
#if (__riscv_xlen >= 64)
uintptr_t cycles;
- __asm__ volatile ("rdtime %0" : "=r" (cycles));
+ __asm__ ("rdtime %0" : "=r" (cycles));
#else
uint64_t cycles;
uint32_t hi, lo, check;
- __asm__ volatile (
+ __asm__ (
"1: rdtimeh %0\n"
" rdtime %1\n"
" rdtimeh %2\n"
--
2.40.1
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