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Date: Fri, 12 Sep 2003 18:50:50 -0300 (E. South America Standard Time)
From: =?ISO-8859-1?Q?Fr=E9d=E9ric_L=2E_W=2E_Meunier?= <0 AT pervalidus DOT tk>
To: cygwin AT cygwin DOT com
Subject: 3.3.1-1 "solved" it (was Re: Binaries compiled with GCC 3.2-3 much
 bigger than with 2.95.3-10 ?)
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On Fri, 5 Sep 2003, Frédéric L. W. Meunier wrote:

> I just switched to 3.2-3 and was impressed with the following:
>
> Cygwin          -O2     -O2 + -Wl,-s	-Os	-Os + -Wl,-s
> ------
> 2.95.3-10       15178   6656            15178   6656
> 3.2-3           26710   14336           26008   13824

  3.3.1-1	  18199	  7680		  17497	  7168

I upgraded to the test 3.3.1-1 package. What a difference from
3.2-3.

> Linux
> -----
> 2.95.4.CVS	16475	7128		16283	6936
> 3.2.3		15885	6712		15427	6292
> 3.3.1		15802	6668		15320	6216
>
> What's so different in 3.2-3 ? On Linux GCC 3.x produced
> smaller binaries. On Cygwin the size doubled.
>
> On Linux all 3 compilers default to -march=i686. I think it's
> the same for Cygwin (i686-pc-cygwin), no ?

I was wrong here. On Linux all 3 default to -mcpu=pentiumpro
-march=i386.

I think it's the same on Cygwin. I tested with --verbose on
2.95.3-10 and 3.2.3-3, and -fsched-verbose on 3.3.1-1.

> For the example I used lndir from XFree86 CVS. I packaged the
> sources for it at
> http://www.pervalidus.net/cygwin/lndir-CVS.tar.bz2 (9323
> bytes).

-- 
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