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Re: [PATCH] Introduce abi_word_mode


(I apologize for the duplicate messages, I used a broken mailer ...)
kenner@vlsi1.ultra.nyu.edu (Richard Kenner) wrote on 10/10/2006 12:26:03 AM:

> > I think it's only superficially valuable.  I think that when you
> > really try to write code that uses it, you find that it is actually
> > not very helpful.  The type of exact width BITS_PER_WORD has very
> > little meaning or use.  
> 
> The case that comes to mind is writing an array that represents a register
> save area.  In that case, word_mode is precisely what you want.

Actually, not.  See my reply to Ian -- in our proposed usage scenario on
s390, the register save area size is *different* from the physical register
size, and we would like the former to be "abi_word_mode" while the latter
is word_mode.

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  Linux on zSeries Development
  Ulrich.Weigand@de.ibm.com


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