Re: adding COPTS to shrink kernel binary size

To: "port-vax%netbsd.org@localhost" <port-vax%NetBSD.org@localhost>, "tech-toolchain%netbsd.org@localhost" <tech-toolchain%NetBSD.org@localhost>
Subject: Re: adding COPTS to shrink kernel binary size
From: Roland Illig <roland.illig%gmx.de@localhost>
Date: Sat, 4 Feb 2023 17:26:03 +0100

Am 04.02.2023 um 17:12 schrieb Jason Thorpe:

On Feb 4, 2023, at 7:45 AM, Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost> wrote:

I think it's reasonable to add -fno-unwind-tables and
-freorder-blocks-algorithm=simple for vax, but
I wonder if how many VAXen users has memory size issue.


Saving every precious byte of RAM on a VAX is probably a worthy goal.


What about -Os? For usr.bin/make, this results in a 14% reduction of
binary size on x86_64, maybe it's similar for the kernels on vax.

Roland

Follow-Ups:
- Re: adding COPTS to shrink kernel binary size
  - From: Izumi Tsutsui

References:
- adding COPTS to shrink kernel binary size
  - From: Izumi Tsutsui
- Re: adding COPTS to shrink kernel binary size
  - From: Jason Thorpe

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