http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47620
Alexandre Oliva <aoliva at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #23317|0 |1 is obsolete| | --- Comment #14 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2011-02-17 21:33:45 UTC --- Created attachment 23390 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23390 Patch that kills the bug harder It turns out that deps from other blocks wouldn't always have tick 0, and debug insns other than the first could have deps other than their immediate preds, that would cause them to be queue for a later tick as well. But then, why bother? If all dependencies of a debug insns are met, just add it to the ready set, without even computing the tick it would get from its deps. Like this patch, that supersedes the earlier on. Jakub, can you give it a spin on the affected platforms, please? I'm bootstrapping it on x86_64-linux-gnu and i686-linux-gnu now.