X-pop3-spooler:	POP3MAIL 2.1.0 b 4 980420 -bs-
Message-Id:	<199809030016.TAA12871@indy1.indy.net>
From:	"Steve Snyder" <ssnyder AT indy DOT net>
To:	"PGCC Mailing List" <beastium-list AT Desk DOT nl>
Date:	Wed, 02 Sep 1998 20:13:29 -0500
Reply-To:	"Steve Snyder" <ssnyder AT indy DOT net>
X-Mailer:	PMMail 1.96a For OS/2
MIME-Version:	1.0
Subject:	Optimizations when compiling the compiler.
Sender:	Marc Lehmann <pcg AT goof DOT com>
Status:	RO
X-Status:	A
Lines:	19

In a recent message it was noted that the most dramatic improvements to
Pentium-optimized code require the -O5 and -O6 switches.  This make me
wonder:  what optimization setting were used in testing the pgcc 1.1
release candidates?

I spend a *lot* of time running my C compiler, so naturally I want it to
run as fast as possible.  Also, naturally, I want the compiler to be
stable.  I get enough instability in my own code.  :-)

So... how risky is it for me to compile pgcc 1.1a with itself, using the
-O5 or -O6 optimization switches?  That is, how much would I be reducing 
the dependability of compiler, as opposed to building it with itself at an 
optimization level of -O3 or -O4?

Thanks.


***** Steve Snyder *****

- Raw text -