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Re: Disable some optimisations when --traditional-format

From: Alan Modra <amodra at gmail dot com>
To: Ian Lance Taylor <iant at google dot com>
Cc: binutils at sourceware dot org
Date: Sun, 27 May 2012 20:42:58 +0930
Subject: Re: Disable some optimisations when --traditional-format
References: <20120526111631.GA3086@bubble.grove.modra.org> <mcrvcjiix6y.fsf@dhcp-172-18-216-180.mtv.corp.google.com>

On Sat, May 26, 2012 at 12:01:09PM -0700, Ian Lance Taylor wrote:
> Alan Modra <amodra@gmail.com> writes:
> 
> > How do you all feel about disabling string merging when ld is given
> > --traditional-format?  I think it's a reasonable addition to the
> > option's effect, currently it disables .stab and .eh_frame
> > optimisation.
> 
> Unlike .stab and .eh_frame optimization, string merging is part of the
> ELF ABI.

Yes, that's exactly why I didn't go ahead and commit the change.  I'd
also forgotten that we have an option to turn off string merge in gcc,
so there really is no need to have ld do the same.

(Ick, how did I write "display" in the subject when I meant "disable"?)

-- 
Alan Modra
Australia Development Lab, IBM

References:
- Display some optimisations when --traditional-format
  - From: Alan Modra
- Re: Display some optimisations when --traditional-format
  - From: Ian Lance Taylor

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