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Re: [PATCH PR41488]Recognize more induction variables by simplifying PEELED chrec in scalar evolution
- From: "Bin.Cheng" <amker dot cheng at gmail dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: "bin.cheng" <bin dot cheng at arm dot com>, Jeff Law <law at redhat dot com>, gcc-patches List <gcc-patches at gcc dot gnu dot org>, Richard Biener <richard dot guenther at gmail dot com>
- Date: Wed, 11 Dec 2013 14:24:40 +0800
- Subject: Re: [PATCH PR41488]Recognize more induction variables by simplifying PEELED chrec in scalar evolution
- Authentication-results: sourceware.org; auth=none
- References: <000501cef26e$19db9b70$4d92d250$ at arm dot com> <52A22390 dot 7020003 at redhat dot com> <CAHFci2_4uNcY0BCo6H6q-dvA1iWLuTqzGE5O-92t3v4coi0KwQ at mail dot gmail dot com> <52A5405C dot 1080902 at redhat dot com> <CAHFci2-GwRhSAgd3EZH29Zz+e9TQB8xTqDkZZYT+7FFgoWepHQ at mail dot gmail dot com> <000901cef552$0a49b890$1edd29b0$ at arm dot com> <CAMe9rOq4qU-6x1feb8vpQ+EL5CrYgGuB9X_RLBsunbjDtKJT4Q at mail dot gmail dot com>
On Wed, Dec 11, 2013 at 4:31 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Mon, Dec 9, 2013 at 6:46 PM, bin.cheng <bin.cheng@arm.com> wrote:
>>
>>>
>> Hi,
>> This is the new version patch computing the difference in tree affine then
>> comparing against integer_zero_node.
>> Bootstrap and test on current upstream. I will commit it if there is no
>> other objection.
>>
>
> This caused:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59445
I found out the cause and addressed it in the bug entry.
Thanks,
bin
>
> --
> H.J.
--
Best Regards.