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[Bug target/88282] ICE in df_install_refs at gcc/df-scan.c:2379
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 02 Dec 2018 08:26:15 +0000
- Subject: [Bug target/88282] ICE in df_install_refs at gcc/df-scan.c:2379
- Auto-submitted: auto-generated
- References: <bug-88282-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88282
--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Tamar Christina from comment #3)
> This is caused by the change in r266385 for PR87718.
>
> That causes the cost model to go completely off the rail and also changes
> the register classes.
FTR, there are also some new inconsistencies w.r.t cost model on x86, as
reported here [1].
[1] https://gcc.gnu.org/ml/gcc-patches/2018-11/msg02419.html