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From: David Mosberger <davidm@napali.hpl.hp.com>
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Date: Mon, 13 May 2002 19:43:00 -0000
To: Andrew Cagney <ac131313@cygnus.com>
Cc: Kevin Buettner <kevinb@redhat.com>, davidm@hpl.hp.com,
        gdb-patches@sources.redhat.com
Subject: Re: new gdb arch routine FRAME_UNCHANGED
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>>>>> On Mon, 13 May 2002 19:14:32 -0400, Andrew Cagney <ac131313@cygnus.com> said:

  Andrew> My brain hurts!  This is increasingly like floating point
  Andrew> with +0 != -0.  We have a situtation where for:

  Andrew> 	frame_id a, b; // contain both SP's and PC

  Andrew> the test:

  Andrew> 	!FRAME_ID_INNER_THAN(a,b) && !FRAME_INNER_THAN(b,a)

  Andrew> does not imply

  Andrew> 	FRAME_ID_SAME(a,b)

  Andrew> (or what ever the functions are called).

I'm not sure I'm following you here.  Why is there both
FRAME_ID_INNER_THAN() and FRAME_INNER_THAN()?

	--david