linux-kernel - Re: [kbuild-all] Re: {standard input}:3978: Error: value 178 out of range

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Message-ID: <2698711f-aaf6-bfc4-9b4f-b49d6acf3a32@intel.com>
Date:   Fri, 10 Jun 2022 19:16:46 +0800
From:   "Chen, Rong A" <rong.a.chen@...el.com>
To:     Andreas Schwab <schwab@...ux-m68k.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     kernel test robot <lkp@...el.com>,
        Sumit Saxena <sumit.saxena@...adcom.com>,
        kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Himanshu Madhani <himanshu.madhani@...cle.com>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>
Subject: Re: [kbuild-all] Re: {standard input}:3978: Error: value 178 out of
 range



On 6/10/2022 5:47 PM, Andreas Schwab wrote:
> On Jun 10 2022, Geert Uytterhoeven wrote:
> 
>> The offending instruction is:
>>
>>      | drivers/scsi/mpi3mr/mpi3mr_fw.c:299:  switch (host_tag) {
>>              mvz.w %d2,%d0   | tmp160, host_tag
>>              mov3q.l #5,%d1  |,
>>              cmp.l %d0,%d1   | host_tag,
>>              jcs .L154               |
>>              tst.w %d6       | host_tag
>>              jeq .L133               |
>>              subq.l #2,%d2   |, tmp238
>>              mvz.w %d2,%d2   | tmp238, tmp240
>>              mov3q.l #3,%d0  |,
>>              cmp.l %d2,%d0   | tmp240,
>>              jcs .L140               |
>>              add.l %d2,%d2   | tmp244
>>>>>          move.w .L155(%pc,%d2.l),%d0     |, tmp245
>>              jra .L186               |
>>
>> And the table L155 is just too far from the above instruction, so
>> the displacement is too large, causing the failure.
>>
>> Looks like a compiler bug to me?
> 
> Yes, it's https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104028.
> 

Thanks for the information, we have added the commit 43ca110050
to ignore list to avoid reporting it again.

Best Regards,
Rong Chen