From: Marek Behun <marek.behun@nic.cz>
To: u-boot@lists.denx.de
Subject: [RFC PATCH u-boot 00/12] U-Boot LTO (Sandbox + ARM Nokia RX-51)
Date: Thu, 4 Mar 2021 14:50:16 +0100 [thread overview]
Message-ID: <20210304145016.61ab7fe9@nic.cz> (raw)
In-Reply-To: <CAHCN7x+vPJQKMaPXCOsdwu7ki73y91AAAmh9D0u-1WejeFNA3g@mail.gmail.com>
On Thu, 4 Mar 2021 07:46:18 -0600
Adam Ford <aford173@gmail.com> wrote:
> On Thu, Mar 4, 2021 at 4:43 AM Marek Behun <marek.behun@nic.cz> wrote:
> >
> > On Wed, 3 Mar 2021 16:36:05 -0500
> > Tom Rini <trini@konsulko.com> wrote:
> >
> > > So, as I start testing things locally with two additional changes (1.
> > > LTO by default 2. No ffunction/data-sections with LTO) we see:
> > > https://gist.github.com/trini/350ab850c42293563228b8d68a1bb89a
> > > as the detailed size reduction. This also shows that with LTO we want
> > > to turn off -ffunction-sections/etc as it's not useful now.
> >
> > Tom, I have pushed another version to github PR to trigger CI, and am
> > still working on clang. You can look at the github PR if you want to
> > try yourself. I have also added patch that disables
> > -ffunction-section/fdata-section on arm.
> >
> > After I manage to make it all work in CI I will send v2 to mailing list.
>
> I tested this with the imx6q_logic board. I only tested the U-Boot
> portion, but it appeared to work and it booted the kernel. The U-Boot
> size reduced -7182 bytes (about 3% smaller).
>
> I haven't been able to successfully boot the OMAP3 boards I have yet.
> I'm still looking into this.
>
> I don't think we should enable LTO by default for all boards yet.
Adam, did you try the current version from github.com/elkablo/u-boot
branch lto ?
next prev parent reply other threads:[~2021-03-04 13:50 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-03 4:11 [RFC PATCH u-boot 00/12] U-Boot LTO (Sandbox + ARM Nokia RX-51) Marek Behún
2021-03-03 4:12 ` [RFC PATCH u-boot 01/12] build: use thin archives instead of incremental linking Marek Behún
2021-03-04 10:57 ` Bin Meng
2021-03-04 18:17 ` Marek Behun
2021-03-05 13:34 ` Bin Meng
2021-03-05 13:37 ` Tom Rini
2021-03-06 21:20 ` Marek Behun
2021-03-05 15:39 ` Marek Behun
2021-03-03 4:12 ` [RFC PATCH u-boot 02/12] sandbox: errno: avoid conflict with libc's errno Marek Behún
2021-03-05 3:00 ` Bin Meng
2021-03-05 15:37 ` Marek Behun
2021-03-05 16:39 ` Simon Glass
2021-03-05 16:50 ` Marek Behun
2021-03-05 16:58 ` Simon Glass
2021-03-05 17:24 ` Heinrich Schuchardt
2021-03-05 17:24 ` Marek Behun
2021-03-05 19:42 ` Simon Glass
2021-03-05 17:21 ` Heinrich Schuchardt
2021-03-07 3:14 ` Marek Behun
2021-03-12 4:45 ` Simon Glass
2021-03-03 4:12 ` [RFC PATCH u-boot 03/12] linker_lists: declare entries and lists externally visible Marek Behún
2021-03-04 13:47 ` Marek Behun
2021-03-05 3:04 ` Bin Meng
2021-03-05 15:49 ` Marek Behun
2021-03-03 4:12 ` [RFC PATCH u-boot 04/12] efi_loader: fix warning when linking with LTO Marek Behún
2021-03-05 5:50 ` Bin Meng
2021-03-03 4:12 ` [RFC PATCH u-boot 05/12] binman: declare symbols externally visible Marek Behún
2021-03-04 0:37 ` Tom Rini
2021-03-04 1:53 ` Marek Behun
2021-03-03 4:12 ` [RFC PATCH u-boot 06/12] build: support building with Link Time Optimizations Marek Behún
2021-03-05 6:34 ` Bin Meng
2021-03-03 4:12 ` [RFC PATCH u-boot 07/12] arch: sandbox: make LTO available Marek Behún
2021-03-03 4:12 ` [RFC PATCH u-boot 08/12] sandbox: build with LTO Marek Behún
2021-03-03 4:12 ` [RFC PATCH u-boot 09/12] ARM: make gd a function for LTO Marek Behún
2021-03-03 4:12 ` [RFC PATCH u-boot 10/12] string: make memcpy() visible to fix LTO linking errors Marek Behún
2021-03-03 4:12 ` [RFC PATCH u-boot 11/12] arch: ARM: make LTO available Marek Behún
2021-03-03 4:12 ` [RFC PATCH u-boot 12/12] Nokia RX-51: build with LTO Marek Behún
2021-03-03 16:11 ` [RFC PATCH u-boot 00/12] U-Boot LTO (Sandbox + ARM Nokia RX-51) Tom Rini
2021-03-03 16:41 ` Marek Behun
2021-03-03 16:47 ` Tom Rini
2021-03-03 21:36 ` Tom Rini
2021-03-04 0:40 ` Adam Ford
2021-03-04 7:07 ` [PATCH] arm: fix LTO build for some thumb-interwork cases Marek Behún
2021-03-04 10:43 ` [RFC PATCH u-boot 00/12] U-Boot LTO (Sandbox + ARM Nokia RX-51) Marek Behun
2021-03-04 13:46 ` Adam Ford
2021-03-04 13:50 ` Marek Behun [this message]
2021-03-04 13:59 ` Adam Ford
2021-03-04 14:58 ` Tom Rini
2021-03-04 15:07 ` Adam Ford
2021-03-04 15:37 ` Marek Behun
2021-03-04 16:18 ` Tom Rini
2021-03-04 15:59 ` Marek Behun
2021-03-04 22:18 ` Adam Ford
2021-03-04 22:33 ` Marek Behun
2021-03-05 11:25 ` Adam Ford
2021-03-05 12:31 ` Stefan Roese
2021-03-05 17:10 ` Adam Ford
2021-03-06 3:03 ` Adam Ford
2021-03-06 11:12 ` Adam Ford
2021-03-06 17:37 ` Marek Behun
2021-03-06 20:08 ` Tom Rini
2021-03-06 20:41 ` Pali Rohár
2021-03-06 20:54 ` Marek Behun
2021-03-06 21:00 ` Pali Rohár
2021-03-06 21:19 ` Marek Behun
2021-03-06 21:38 ` Pali Rohár
2021-03-06 21:49 ` Marek Behun
2021-03-07 3:45 ` Adam Ford
2021-03-07 4:06 ` Marek Behun
2021-05-09 14:14 ` Adam Ford
2021-05-09 18:44 ` Marek Behun
2021-05-10 16:28 ` Simon Glass
2021-05-13 9:22 ` Pali Rohár
2021-03-04 16:17 ` Tom Rini
2021-03-04 16:35 ` Pali Rohár
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210304145016.61ab7fe9@nic.cz \
--to=marek.behun@nic.cz \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox