Re: [PATCH] S390: Fix PR/77822.

[Andreas Krebbel <krebbel at linux dot vnet dot ibm dot com>]

On 11/11/2016 10:42 AM, Matthias Klose wrote:
> On 11.11.2016 09:58, Andreas Krebbel wrote:
>> On 11/08/2016 03:38 PM, Dominik Vogt wrote:
>>> The attached patch fixes PR/77822 on s390/s390x dor gcc-6 *only*.
>>> See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77822
>>>
>>> Bootstrapped and regression tested on s390 and s390x biarch on a
>>> zEC12.
>>>
>>> For gcc-7, there will be a different patch.
>>
>> Applied to GCC 6 branch.  Thanks!
>> Please remember adding the PR number to the changelog entries to trigger bugzilla adding a comment
>> to the PR.
>>
>> As discussed offlist the range check for the position operand could be moved to a predicate.  This
>> will be part of the GCC head patch.
>>
>> I've just noticed that I had such checks already for the insv patterns and have added one to the
>> expander as well later. So for zero_extract as target operand this appeared to be a problem even
>> before GCC 6.
> 
> the gcc-6-branch now has the ChangeLog entry for gcc.target/s390/pr77822.c but
> not the test case.
> 
> Matthias
> 
Fixed.