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[Bug rtl-optimization/52203] ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7136 with -fsel-sched-pipelining -fselective-scheduling2 and other custom flags
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 13 Feb 2012 16:00:27 +0000
- Subject: [Bug rtl-optimization/52203] ICE: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7136 with -fsel-sched-pipelining -fselective-scheduling2 and other custom flags
- Auto-submitted: auto-generated
- References: <bug-52203-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52203
--- Comment #5 from Uros Bizjak <ubizjak at gmail dot com> 2012-02-13 16:00:27 UTC ---
(In reply to comment #4)
> The bugs you are referring to were real bugs, where wrong or missing operand
> was accessed from attribute calculation machinery.
... and PR 49014, where indeed insn without reservation crashed scheduler in
the same way. But there was a clear inconsistency in the model, so we got away
with the adjustment.