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[Bug target/39148] -Os increase code size when stack is aligned
- From: "hjl dot tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Feb 2009 17:16:38 -0000
- Subject: [Bug target/39148] -Os increase code size when stack is aligned
- References: <bug-39148-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from hjl dot tools at gmail dot com 2009-02-11 17:16 -------
(In reply to comment #3)
> If you mean setting ACCUMULATE_OUTGOING_ARGS to true, I bet that could help
Oops. Yes, I meant setting ACCUMULATE_OUTGOING_ARGS to true when stack
alignment is needed.
> very small functions that need dynamic realignment, but certainly for larger
> functions !ACCUMULATE_OUTGOING_ARGS results in smaller code, even if
> realignment is done.
>
Joey and Xuepeng are running
http://www.inf.u-szeged.hu/csibe/
to see how ACCUMULATE_OUTGOING_ARGS affects code size.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39148