Re: [PATCH] isa_{read,write}{w,l} fixed

From: John Alvord (jalvo@mbay.net)
Date: Mon Feb 14 2000 - 13:36:25 EST


On Mon, 14 Feb 2000, Richard A Nelson wrote:

> On Fri, 11 Feb 2000, Alan Cox wrote:
>
> > Structure padding is arch specific. For example u16 is 2 byte aligned on m68k
> > 4 byte aligned on x86 and god knows how its aligned on an S/390
>
> I don't know how it *is* aligned on the S/390, but it should be at least
> 2 byte aligned
Certain ones (CVB Convert to Binary for example) do have 8-byte alignment
requirements. Instructions must be on a 2-byte alignment. All the most
common instructions Load/Store have no alignment requirements altho they
execute faster if they are aligned "naturally".

john alvord

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