On alignment

Nathan Sidwell nathan@codesourcery.com
Tue Apr 22 12:05:00 GMT 2003


Andrew Haley wrote:
> WHat I still cannot understand is why a struct that contains a double
> is 4-aligned on x86, but a double is 8-aligned.  This means that you
> cannot infer the alignment of a struct from the alignment of its
> members.  Is this really part of the multi-vendor ABI?
That packing rule is part of the i86 psABI

nathan

-- 
Nathan Sidwell    ::   http://www.codesourcery.com   ::     CodeSourcery LLC
          The voices in my head said this was stupid too
nathan@codesourcery.com : http://www.cs.bris.ac.uk/~nathan/ : nathan@acm.org




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