Re: gcc-11: generate bad code for matplotlib with -O1/-O2 on mips64el

Paul Gevers <[email protected]> Tue, 20 Jun 2023 13:19:17 +0200
Newsgroups gmane.linux.debian.devel.release,gmane.linux.debian.ports.mips
Message-ID <[email protected]>
Hi YunQiang, mips porters,

On 28-04-2023 15:51, YunQiang Su wrote:
> Paul Gevers <[email protected]> 于2023年4月27日周四 04:26写道:
>> On Fri, 24 Feb 2023 23:10:29 +0000 James Addison <[email protected]> wrote:
>>> Hi Frederic: I'm linking a forwarded GCC GNU bug report that I _think_ is the
>>> upstream report matching this bug.  I found it from a related GitHub issue[1]
>>> for matplotlib.
>>>
>>> The GCC bug reporter has done some work to create a minimal reproducer case.
>>> Could you check whether the issue reported there is the same one as here?  (I
>>> will do eventually, but am not familiar with C and do not have mips hardware
>>> available so it may take some time)
>>>
>>> [1] - https://github.com/matplotlib/matplotlib/issues/21789
>>
>> We're you ever made aware of this bug in gcc-11 and gcc-12? Maybe a bit
>> of your help is appropriate.

> Sorry about that I forget this bug...
> I will dig it.

Did anything happen here? Lagging progress (reporting) on bugs like this 
isn't great for architectures in the the architecture qualification.

Paul
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