Richard Stallman wrote:
Otherwise, we need to consider the merits of disabling an optimization
to make debugging easier.
Optimizing calls to `abort' doesn't offer much benefit, so I think in
this particular case it is worth disabling cross-jumping.
This is a difficult choice to make, but at
-O2, I'd prefer that we optimize, and suggest other debugging techniques
intead of relying on the line numbers of abort calls.
The sole purpose of optimization is to satisfy users more. If the
'abort: core dumped' is not a good user experience. If code is being
shipped with naked aborts in it, that is where the problem lies. If
cross jumping makes debugging harder, tough -- debugging is hard,
debugging optimized programs is harder. Using abort, rather than assert
is not sensible.
I wonder what the size tradeoff is between using non-cross jumped aborts
and using asserts ...
nathan
--
Nathan Sidwell :: http://www.codesourcery.com :: CodeSourcery LLC
[EMAIL PROTECTED] :: http://www.planetfall.pwp.blueyonder.co.uk
