ffmpeg | branch: master | Rémi Denis-Courmont <r...@remlab.net> | Wed Sep 27 19:23:39 2023 +0300| [7a24d794f64050212b320072ab663bc4e2f1d101] | committer: Rémi Denis-Courmont
Revert "lavu/timer: remove gratuitous volatile" It does not make much sense to me, but GCC somehow optimises the inline assembler even though the output is very obviously used and having observable side effects. This reverts commit 09731fbfc3a914ec4f6ffad60aa9062db6a8f6aa. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7a24d794f64050212b320072ab663bc4e2f1d101 --- 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 df1a730b5e..174b469cbe 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__ ("rdtime %0" : "=r" (cycles)); + __asm__ volatile ("rdtime %0" : "=r" (cycles)); #else uint64_t cycles; uint32_t hi, lo, check; - __asm__ ( + __asm__ volatile ( "1: rdtimeh %0\n" " rdtime %1\n" " rdtimeh %2\n" _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
