On Sun, Feb 25, 2001 at 01:29:56AM +0100, [EMAIL PROTECTED] wrote:
> Hi,
> 
> On my 4.2-stable system I have tweaked my /etc/make.conf to compile
> sources with -O -mcpu=686 -march=pentiumpro -funroll-loops and as
                                              ^^^^^^^^^^^^^^
Don't do that then.  Also note that -march implies -mcpu for the
gcc/i386 compiler (alpha is different, it doesn't have -march)

> Has anyone done any testing which shows that things actually run
> faster, or are the binaries just more likely to be flawed?

Both.  Some things work and are faster when you go above -O, some are
faster and don't work :-)

Kris

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