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[Bug tree-optimization/32230] [4.3 Regression] Segfault in set_bb_for_stmt with -O -ftree-vectorize
- From: "irar at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Jun 2007 12:38:34 -0000
- Subject: [Bug tree-optimization/32230] [4.3 Regression] Segfault in set_bb_for_stmt with -O -ftree-vectorize
- References: <bug-32230-12387@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from irar at il dot ibm dot com 2007-06-28 12:38 -------
(In reply to comment #9)
>> I suppose all INTEGER_CST bases should be rejected.
> Richard.
Right. The value actually doesn't matter since the constant part is split to
the init part in (tree-data-ref.c:656):
split_constant_offset (base_iv.base, &base_iv.base, &dinit);
I only don't know where it is better to fail - in dr analysis on in the
vectorizer.
Thanks,
Ira
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32230