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[Bug tree-optimization/45971] [4.6 Regression] ice in vect_update_ivs_after_vectorizer
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 8 Nov 2010 08:44:05 +0000
- Subject: [Bug tree-optimization/45971] [4.6 Regression] ice in vect_update_ivs_after_vectorizer
- Auto-submitted: auto-generated
- References: <bug-45971-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45971
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-11-08 08:43:51 UTC ---
Slightly more reduced testcase:
void
foo (int *x, int *y)
{
int i;
for (i = 0; i < 11; i++)
y[i] = (x[i] == 1) ? i + 1 : -(i + 1);
}
The following:
void
bar (int *x, int *y)
{
int i;
for (i = 0; i < 64; i++)
y[i] = (x[i] == 1) ? i + 1 : -(i + 1);
}
ICEs with
internal compiler error: in get_initial_def_for_induction, at
tree-vect-loop.c:2659
instead.