Date: Wed, 12 Sep 2001 00:30:50 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: "Brian F. Feldman" <green@FreeBSD.org> Cc: Mark Murray <mark@grondar.za>, Peter Wemm <peter@FreeBSD.org>, <cvs-committers@FreeBSD.org>, <cvs-all@FreeBSD.org> Subject: Re: cvs commit: src/sys/kern subr_prf.c src/sys/sys systm.h Message-ID: <20010912002041.J5036-100000@delplex.bde.org> In-Reply-To: <200109101458.f8AEwQI98441@green.bikeshed.org>
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On Mon, 10 Sep 2001, Brian F. Feldman wrote:
> Mark Murray <mark@grondar.za> wrote:
> > > This hack brought to you by some questionable ``optimizations'' in gcc-3.
> > > gcc-3 takes it apon itself to convert:
> > > printf("string\n") -> puts("string");
> > > and:
> > > printf("a"); -> putchar('a')
> > > etc. I dont know what they've been smoking over there in gcc-land, but
> > > it must be pretty good stuff.
> >
> > This "optimzation" on the part of GCC is extremely rude, IMVHO. Is there
> > a way (#define ?) of permanently disabling it?
> >
> > C is not FORTRAN - there are no intrinsic functions in C. Grrrrr.....
>
> Agreed. Peter's original comment was absolutely justified. The _ONLY_ case
> I can see this possibly being even moderately alright is if it is somehow
> done in a way that makes it act like a macro definition and can be
> #undefined or (called)() in one of the standard ways.
Disagreed. This seems like a normal optimization to me. It's like
replacing strlen("foo") by 3.
Bruce
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