Hi Hongtao,

> On 20 Oct 2022, at 10:20, Hongtao Liu <crazy...@gmail.com> wrote:
> 
> On Thu, Oct 20, 2022 at 5:17 PM Iain Sandoe <idsan...@googlemail.com> wrote:
>> 
>> 
>> 
>>> On 20 Oct 2022, at 10:09, Hongtao Liu via Gcc-patches 
>>> <gcc-patches@gcc.gnu.org> wrote:
>>> 
>>> On Thu, Oct 20, 2022 at 9:11 AM Hongtao Liu <crazy...@gmail.com> wrote:
>>>> 
>>>> On Wed, Oct 19, 2022 at 7:09 PM Iain Sandoe <idsan...@googlemail.com> 
>>>> wrote:

>>>>>> On 17 Oct 2022, at 02:56, Hongtao Liu <crazy...@gmail.com> wrote:
>>>>>> 
>>>>>> On Mon, Oct 17, 2022 at 9:30 AM Bernhard Reutner-Fischer
>>>>>> <rep.dot....@gmail.com> wrote:
>>>>>>> 
>>>>>>> On 17 October 2022 03:02:22 CEST, Hongtao Liu via Gcc-patches
>>>>>>> 
>>>>>>>>>>> Do you have this series as a branch somewhere that I can try on one 
>>>>>>>>>>> of the
>>>>>>>>>>> like affected platforms?
>>>>>>>>>> 
>>>>>>>>>> Not yet.
>>>>>>>>>> Do we have any external place to put those patches so folks from the
>>>>>>>>>> community can validate before it's committed, HJ?
>>>>>>> 
>>>>>>> 
>>>>>>> https://gcc.gnu.org/gitwrite.html#vendor
>>>>>>> 
>>>>>>> Not sure where in cgit the user branches are visible, though? But they 
>>>>>>> can certainly be cloned and worked with.
>>>>>> Thanks for the reminder, I've pushed to remotes/vendors/ix86/ise046.
>>>>>> * [new ref]                 refs/vendors/ix86/heads/ise046 ->
>>>>>> vendors/ix86/ise046
>>>>> 
>>>>> thanks for pushing this branch, much better to test these things before 
>>>>> committing rather than a panic
>>>>> to fix after…
>>>>> 
>>>>> 
>>>>> with
>>>>> f90df941532 (HEAD -> ise046, vendors/ix86/ise046) Add m_CORE_ATOM for 
>>>>> atom cores
>>>>> 
>>>>> - on x86_64 Darwin19  I get the following bootstrap fail:
>>>>> 
>>>>> In file included from 
>>>>> /src-local/gcc-master/gcc/config/i386/driver-i386.cc:31:
>>>>> /src-local/gcc-master/gcc/common/config/i386/cpuinfo.h: In function 
>>>>> ‘const char* get_intel_cpu(__processor_model*, __processor_model2*, 
>>>>> unsigned int*)’:
>>>>> /src-local/gcc-master/gcc/common/config/i386/cpuinfo.h:532:32: error: 
>>>>> this statement may fall through [-Werror=implicit-fallthrough=]
>>>>> 532 |       cpu_model->__cpu_subtype = INTEL_COREI7_GRANITERAPIDS;
>>>>>     |       ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>>> /src-local/gcc-master/gcc/common/config/i386/cpuinfo.h:533:5: note: here
>>>>> 533 |     case 0xb6:
>>>>>     |     ^~~~
>>>>> cc1plus: all warnings being treated as errors
>>>>> 
>>>>> ====
>>>>> Will try to look later, if that does not immediately ring some bell.
>>>> This should a bug, thanks!
>>> I've updated the branch, please try that.
>> 
>> I had made the same fix locally (adding the “break”, right?) and testing is 
>> ongoing
> Yes, please go ahead.

Thanks for giving me a chance to test, this seems OK on Darwin (no large-scale
fallout, anyway) ..  

I tested the ise046 branch which looks like it collects several of the posted 
patch
series, so I’ve covered those too. (not had a chance to test on AVX512 yet, but 
if
the series is basically OK on skylake, then should be not too much issue).

Iain

P.S. I am usually able to test patches / series like this on Darwin if you 
point me at
a branch.

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