Reply-To: From: "Arthur" To: "DJGPP Mailing List" Subject: RE: djgpp and optimizations Date: Tue, 15 Sep 1998 16:42:52 +0100 Message-ID: <000601bde0bf$801e80e0$844e08c3@arthur> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit In-Reply-To: Importance: Normal Precedence: bulk > > 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