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[2001:470:27:11::2]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5593c9d2f96sm359816e87.120.2025.07.10.05.44.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Jul 2025 05:44:58 -0700 (PDT) Date: Thu, 10 Jul 2025 15:44:56 +0300 (EEST) From: =?ISO-8859-15?Q?Martin_Storsj=F6?= To: Jiawei In-Reply-To: <871c0cb0-5433-43db-a57c-aee96bdeae16@iscas.ac.cn> Message-ID: References: <20250613083704.6858-1-jiawei@iscas.ac.cn> <20250614224942.GT5177@pb2> <7634ba8e-7e76-a11b-98f-d7d5cb61eb1@martin.st> <871c0cb0-5433-43db-a57c-aee96bdeae16@iscas.ac.cn> MIME-Version: 1.0 Subject: Re: [FFmpeg-devel] [PATCH v5] gcc: Don't disable '-ftree-vectorize' if gcc version higher than 13. X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: FFmpeg development discussions and patches Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On Thu, 10 Jul 2025, Jiawei wrote: > In addition, can you provide a bug record or a reproduction method? I think > it should also be fixed in the GCC community, and I will report the problems > you encounter in test to GCC Bugzilla. https://patchwork.ffmpeg.org/check/125495/ If you build ffmpeg with this patch, "make fate" fails on the monkeysaudio tests, on loongarch. That's about as much as I have so far. It should indeed be fixed in GCC. You can of course just report this above, but with that only that info, it is somewhat unlikely that anybody will tend to the bug and fix it. To make it properly actionable, you need to isolate the code which gets miscompiled, so GCC developers can compile and observe that the resulting code is wrong (which may require some loongarch knowledge to see what is wrong) without needing to build and run the full ffmpeg fate. // Martin _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".