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Date: Sun, 02 Feb 2003 15:33:00 -0000
From: Daniel Berlin <dberlin@dberlin.org>
To: Daniel Jacobowitz <drow@mvista.com>
cc: Andrew Cagney <ac131313@redhat.com>, Mark Kettenis <kettenis@chello.nl>, 
    "" <gdb@sources.redhat.com>
Subject: Re: RFC: Variables in blocks of registers
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>
> However, right now GCC doesn't generate this.  Probably because it
> would kill us.  If I have any mental energy left after location lists,
> I may implement support for DW_OP_piece.

Err, the location list patch does.
Even without it, you can get them in one specific case (If you have
CONCAT's in RTL).
So GCC *does* generate it, right now.

CONCATS only pop up when we are using complex numbers, as far as a quick
grep of the gcc code shows.

--Dan