ACCUMULATE_OUTGOING_ARGS and the i386

[John Wehle]

> I can't think of any reason off the top of my head why this would be all that
> difficult.  ACCUMULATE_OUTGOING_ARGS does not change the calling conventions
> in any incompatible manner that I'm aware of.

The one thing which caught my attention is the following tm.texi paragraph:

  Defining both @code{PUSH_ROUNDING} and @code{ACCUMULATE_OUTGOING_ARGS}
  is not proper.

The i386 port defines PUSH_ROUNDING and actually pushes a halfword
when it pushes a byte.  What does ACCUMULATE_OUTGOING_ARGS do in
this situation?  Is there a compatibility problem?

-- John
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