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[Bug rtl-optimization/28489] [4.2 regression] ICE in move_insn, at haifa-sched.c:1968
- From: "sje at cup dot hp dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 Aug 2006 18:22:58 -0000
- Subject: [Bug rtl-optimization/28489] [4.2 regression] ICE in move_insn, at haifa-sched.c:1968
- References: <bug-28489-12387@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from sje at cup dot hp dot com 2006-08-01 18:22 -------
The time that this started occurring looks to be about the time that Maxim was
making scheduling changes for IA64 speculation. Maxim could you look at this
bug and see if it is related to any of your changes to IA64 scheduling? I did
a little analysis and it looks like we are merging/concatinated two basic
blocks (3 and 7) but we wind up with a NOTE_INSN_BASIC_BLOCK for block 7 in the
middle of the merged basic block 3.
(I tried to add mkuvyrkov@ispras.ru to the CC list but Bugzilla wouldn't do it.
I will send Maxim email seperately.)
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sje at cup dot hp dot com changed:
What |Removed |Added
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CC| |sje at cup dot hp dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28489