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Date:      Wed, 15 Dec 2004 21:42:18 +1100
From:      Rob B <rbyrnes@mailshack.com>
To:        freebsd-alpha@freebsd.org, Kirk Strauser <kirk@strauser.com>
Subject:   Re: Safe (but quick) GCC settings on a PC64 with 5.3?
Message-ID:  <6.1.2.0.2.20041215213217.026d9470@mail.nerdshack.com>
In-Reply-To: <20041213205328.GA1546@dragon.nuxi.com>
References:  <200412131130.59807.kirk@strauser.com> <83229A4B-4D2E-11D9-9C15-000D93C47836@xcllnt.net> <20041213205328.GA1546@dragon.nuxi.com>

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At 07:53 AM 14/12/2004, David O'Brien wrote:
>On Mon, Dec 13, 2004 at 09:43:34AM -0800, Marcel Moolenaar wrote:
> > On Dec 13, 2004, at 9:30 AM, Kirk Strauser wrote:
> > >I currently have these in my /etc/make.conf:
> > >
> > >  CPUTYPE=ev45
> > >  CFLAGS= -O -pipe -mieee
> > >  COPTFLAGS= -O -pipe
> >
> > I would start by raising the optimization level to 2 (as in -O2). This
> > is our default now in -CURRENT and -STABLE and -CURRENT aren't really
>
>I would use "-O2 -fno-strict-aliasing" otherwise there can be problems
>with ports.

-ffast-math seems to make a difference to compile times on these (slow) 
boxes, and I haven't noticed any ill effects.  But then again, I'm not 
doing any serious floating-point number crunching on my PC64.

Rob


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