From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jes Sorensen Date: Thu, 23 Nov 2000 18:57:42 +0000 Subject: Re: [Linux-ia64] -ma-step and -mconstant-gp options for gcc? Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> "Francis" = Francis Galiegue writes: Francis> I wonder what the two options in $subject do... For Francis> -ma-step, I can guess this assumes that the code will run on Francis> an A stepping CPU, but in this case, will it run on a B? If I Francis> want to compile a kernel for a B stepping processor, I guess Francis> I have to remove this option? The first one enables workarounds in the compiler so it doesn't generate code that triggers problems on the A-step's. The second tells the compiler that the gp is constant so it doesn't constantly reload it when calling functions. It's used by the kernel. Jes