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000024_owner-ade-gcc_Fri Feb 9 12:43:52 1996.msg
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Date: Fri, 9 Feb 1996 17:25:58 +0100
Message-Id: <199602091625.RAA01766@brasil.frmug.fr.net>
From: Daniel Verite <daniel@brasil.brainstorm.cnam.fr>
To: ade-gcc@amigalib.com
In-reply-to: <m0tkucN-000gXUC@fishpond> (fnf@amigalib.com)
Subject: Re: Patch to -O2
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fnf@amigalib.com (Fred Fish) writes:
Kamil>> Since Amiga port of GDB already exists and works, I'd suggest
Kamil>> to remove this "feature" from "config/m68k/amigados.h".
Fred> Thanks for pointing this out. I'll apply the patch to my
Fred> source tree. It may not appear in the next ADE release in
Fred> about a week because it is a substantial change that will
Fred> potentially affect everything in the binary tree (since I
Fred> build with -O2 by default) and I'll have to go through
Fred> another complete multistage build. I'll probably apply it
Fred> at the same time I try out your optimization patches.
The problem is that not omitting the frame pointer leads to
speed losses, especially for small functions.
I suggest we use '-O2 -fomit-frame-pointer' to build
binaries that are intended to be released. Also I suppose
that if you build the ADE tree this way, you will obtain
exactly the same executables than the ones prior to Kamil's
patch (except cc1 of course).
--
Daniel - daniel@brainstorm.cnam.fr