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[Bug tree-optimization/41089] [4.5 Regression] stdarg pass produces wrong code
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Jan 2010 08:13:47 -0000
- Subject: [Bug tree-optimization/41089] [4.5 Regression] stdarg pass produces wrong code
- References: <bug-41089-1649@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #42 from jakub at gcc dot gnu dot org 2010-01-23 08:13 -------
Well, stdarg wants to be scheduled after some kind of DCE, to avoid making
decisions from dead code. So in that case we'd have to schedule a DCE pass
after retslot (perhaps just for cfun->stdarg functions), then stdarg, then
phiprop/fre.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089