On Tue, 13 Feb 2007 08:43:05 -0600 James Bottomley <[email protected]> wrote: > > Not for parisc at the instruction level. In narrow mode (32 bit mode), > a u64 load has to be done by two 32 bit loads which gives it a 4 byte > alignment requirement. In wide mode (64 bit mode) the 64 bit load > instruction explicitly requires 8 byte alignment, so our u64 alignment > requirements are different. However, this is from the machine code > point of view. I can't say that gcc doesn't enforce an artificial 8 > byte alignment of u64 in narrow mode, so I'll defer to the gcc experts > on that one. Of course, gcc enforced alignment is all we really care about. -- Cheers, Stephen Rothwell [email protected] http://www.canb.auug.org.au/~sfr/
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