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Rockbox mail archiveSubject: Re: question: pointer alignment on ColdFire and SH7034Re: question: pointer alignment on ColdFire and SH7034
From: Thom Johansen <thomj_at_pvv.ntnu.no>
Date: Wed, 26 Oct 2005 13:50:20 +0200 Frederic Devernay wrote: > On the processors we use (ColdFire and SH7034), is the following > instruction authorized, even if s and d are not aligned? > ((*(long long *)(d)) = (*(long long *)(s))) Unaligned accesses will be slower than usual accesses on Coldfire, and outright crash the SH processors with an illegal address error, so no, not authorized. Thom Received on 2005-10-26 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |