Reply-To:	<arfa AT clara DOT net>
From:	"Arthur" <arfa AT clara DOT net>
To:	"DJGPP Mailing List" <djgpp AT delorie DOT com>
Subject:	RE: djgpp and optimizations
Date:	Tue, 15 Sep 1998 16:42:52 +0100
Message-ID:	<000601bde0bf$801e80e0$844e08c3@arthur>
MIME-Version:	1.0
In-Reply-To:	<Pine.SUN.3.91.980915094809.1511H-100000@is>
Importance:	Normal

> > Also when is djgpp going to officially support optimizations
> for the pentium?
>
> When the GCC maintainers include them in the official GCC release.

How about gcc 2.8.1 (-mpentium, -march=pentium, -mcpu=pentium etc)?


> > Also is -fstrength-reduce stable yet?
>
> It is stable since 2.7.2.1, but there are cases where it slows down your
> program.  This has nothing to do with stability, it's a consequence of
> the small number of registers on the x86 CPUs.

What does -fstrength-reduce do, exactly, and why do some people report such
a huge speed increase when using it?

James Arthur
jaa AT arfa DOT clara DOT net
ICQ#15054819

- Raw text -