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Re: [PATCH][ARM] Enable code hoisting with -Os (PR80155)

From: Richard Biener <richard dot guenther at gmail dot com>
To: Wilco Dijkstra <Wilco dot Dijkstra at arm dot com>
Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Kyrylo Tkachov <Kyrylo dot Tkachov at arm dot com>, Richard Earnshaw <Richard dot Earnshaw at arm dot com>, nd <nd at arm dot com>
Date: Thu, 12 Sep 2019 13:55:33 +0200
Subject: Re: [PATCH][ARM] Enable code hoisting with -Os (PR80155)
References: <HE1PR0801MB212194851187F71FADA5151783B10@HE1PR0801MB2121.eurprd08.prod.outlook.com> <CAFiYyc1oGrENhesPgibzEFz11jb=okkfz-2ZAOHkYrey-TFy-g@mail.gmail.com> <HE1PR0801MB2121F05D4DDBE11204E52A4083B00@HE1PR0801MB2121.eurprd08.prod.outlook.com>

On Thu, Sep 12, 2019 at 1:29 PM Wilco Dijkstra <Wilco.Dijkstra@arm.com> wrote:
>
> Hi Richard,
>
> > Do we document target specific deviations from "default" behavior somewhere?
>
> Not as far as I know. The other option changes in arm-common.c are not mentioned
> anywhere, neither is any of arm_option_override_internal.
>
> If we want to keep documentation useful, we shouldn't clutter the generic options
> with target-specific deviations from the default settings. What might be feasible is
> adding a section for each target which describes changes from the default settings.

Agreed.

Richard.

> Wilco

References:
- [PATCH][ARM] Enable code hoisting with -Os (PR80155)
  - From: Wilco Dijkstra
- Re: [PATCH][ARM] Enable code hoisting with -Os (PR80155)
  - From: Richard Biener
- Re: [PATCH][ARM] Enable code hoisting with -Os (PR80155)
  - From: Wilco Dijkstra

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