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Re: [PATCH v4 2/3] Add predict_doloop_p target hook

From: Richard Biener <rguenther at suse dot de>
To: "Kewen.Lin" <linkw at linux dot ibm dot com>
Cc: Bill Schmidt <wschmidt at linux dot ibm dot com>, Segher Boessenkool <segher at kernel dot crashing dot org>, gcc-patches at gcc dot gnu dot org, Jeff Law <law at redhat dot com>, bin dot cheng at linux dot alibaba dot com, jakub at redhat dot com, Kugan Vivekanandarajah <kugan dot vivekanandarajah at linaro dot org>
Date: Mon, 17 Jun 2019 10:51:49 +0200 (CEST)
Subject: Re: [PATCH v4 2/3] Add predict_doloop_p target hook
References: <1558064130-111037-1-git-send-email-linkw@linux.ibm.com> <alpine.LSU.2.20.1905201122310.10704@zhemvz.fhfr.qr> <20190520102439.GT31586@gate.crashing.org> <b88b2031-28a2-4c87-b6fc-9685ee08c25f@redhat.com> <20190520163759.GY31586@gate.crashing.org> <e8a1d9e1-e2f7-9d85-393f-1784055664ad@linux.ibm.com> <alpine.LSU.2.20.1905211219190.10704@zhemvz.fhfr.qr> <3d3347ad-6910-a5ea-11f9-1a4fc3cbc6d0@linux.ibm.com> <alpine.LSU.2.20.1906111416030.10704@zhemvz.fhfr.qr> <be9ee2a2-0a67-6ca1-fee8-699189df7413@linux.ibm.com> <20190614215352.GU31586@gate.crashing.org> <97ea6425-e941-8fa2-c887-bd81d2948077@linux.ibm.com> <579f9761-f6a5-1e82-57fb-402216beb729@linux.ibm.com>

On Mon, 17 Jun 2019, Kewen.Lin wrote:

> Hi Segher and Bill,
> 
> Thanks a lot for your review comments! I've updated the patch accordingly.
> 
> The updated one attached.

OK.  I suppose all low-overhead loop instructions use a decrement to zero
style iterator?

Thanks,
Richard.

Follow-Ups:
- Re: [PATCH v4 2/3] Add predict_doloop_p target hook
  - From: Kewen.Lin
- Re: [PATCH v4 2/3] Add predict_doloop_p target hook
  - From: Segher Boessenkool

References:
- Re: [PATCH v3 2/3] Add predict_doloop_p target hook
  - From: Kewen.Lin
- Re: [PATCH v3 2/3] Add predict_doloop_p target hook
  - From: Richard Biener
- [PATCH v4 2/3] Add predict_doloop_p target hook
  - From: Kewen.Lin
- Re: [PATCH v4 2/3] Add predict_doloop_p target hook
  - From: Segher Boessenkool
- Re: [PATCH v4 2/3] Add predict_doloop_p target hook
  - From: Bill Schmidt
- Re: [PATCH v4 2/3] Add predict_doloop_p target hook
  - From: Kewen.Lin

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