Message-ID: <049d01c0b7b0$02aea160$3308a5c3@oemcomputer>
From: "Turo Lamminen" <turo DOT lamminen AT pp DOT inet DOT fi>
To: <pgcc AT delorie DOT com>
Cc: <juhtolv AT st DOT jyu DOT f>
References: <20010326231229 DOT A11585 AT verso DOT st DOT jyu DOT fi>
Subject: Re: Test-material for Pentium-GCC
Date: Wed, 28 Mar 2001 20:48:53 +0300
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Reply-To: pgcc AT delorie DOT com

Juhapekka Tolvanen wrote:
> I tried these options:
>
> CC=/usr/local/pggc/bin/gcc \
> CXX=/usr/local/pggc/bin/g++ \
> CPP=/usr/local/pggc/bin/gcc \
>
CFLAGS='-O6 -Os -march=pentium -mcpu=pentium -malign-double -mstack-alig
n-double -funroll-all-loops' \
>
CXXFLAGS='-O6 -Os -march=pentium -mcpu=pentium -malign-double -mstack-al
ign-double -funroll-all-loops' \
>
CPPFLAGS='-O6 -Os -march=pentium -mcpu=pentium -malign-double -mstack-al
ign-double -funroll-all-loops'
First of all, using many -O switches has no effect. Only the last one
(in this case -Os) will be used. But your problem are caused
by -malign-double. The FAQ states that using it WILL break things unless
all of your software, including shared libs, are also compiled with it.
Other than that, I see no problems with these.
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