Adventures with gcc: code vs object-code size

[Andrew MacIntyre]

On Sat, 20 Mar 2004, Garance A Drosihn wrote:

> I am not a compilier guru, so I suspect it would take me hours to
> pin this down.  I don't want to do that, so I'm wondering if anyone
> understands how such a minor code-change can POSSIBLY cause such a
> huge change in resulting object file...  I also wonder if this same
> issue pops up in other programs, too.

I'm not a guru either, but I've seen a case where adding code (mostly
switch clauses) caused a size reduction (on i386 anyway)...

Depending on the optimisation level, it might be that the added code is
affecting the heuristics gcc is using for inlined functions etc.

--
Andrew I MacIntyre                     "These thoughts are mine alone..."
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