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Re: [PATCH] Fix PR67443
- From: Richard Biener <richard dot guenther at gmail dot com>
- To: vogt at linux dot vnet dot ibm dot com, GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Mon, 26 Oct 2015 16:25:37 +0100
- Subject: Re: [PATCH] Fix PR67443
- Authentication-results: sourceware.org; auth=none
- References: <alpine dot LSU dot 2 dot 11 dot 1510211449401 dot 16509 at zhemvz dot fhfr dot qr> <20151022095822 dot GA20031 at linux dot vnet dot ibm dot com>
On Thu, Oct 22, 2015 at 11:58 AM, Dominik Vogt <vogt@linux.vnet.ibm.com> wrote:
>> Eventually we'll get another testcase so I'll leave this for
>> comments a while and will commit somewhen later this week.
>
> In case you're referring to my attempt to port the test case to
> x86: All the efforts to reproduce the bug on x86 have failed so
> far. It seems that Gcc is much better in handling bit filed
> accesses on little endian targets (x86) than on big endian
> (s390[x], power). In other words, on x86 earlier optimisations
> prevent the dse2 pass from having to deal with the problematic
> situation. So, don't wait for me coming up with more test cases;
> I'll keep trying, but I'm pessimistic.
Now applied to trunk.
Richard.
> Ciao
>
> Dominik ^_^ ^_^
>
> --
>
> Dominik Vogt
> IBM Germany
>