http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53366
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-05-17
08:55:36 UTC ---
Indeed,
--- gcc/tree-vect-slp.c.jj 2012-04-19 11:09:13.000000000 +0200
+++ gcc/tree-vect-slp.c 2012-05-17 10:47:30.124290361 +0200
@@ -1199,7 +1199,8 @@ vect_supported_load_permutation_p (slp_i
/* We checked that this case ok, so there is no need to proceed with
permutation tests. */
- if (complex_numbers == 2)
+ if (complex_numbers == 2
+ && VEC_length (slp_tree, SLP_INSTANCE_LOADS (slp_instn)) == 2)
{
VEC_free (slp_tree, heap, SLP_INSTANCE_LOADS (slp_instn));
VEC_free (int, heap, SLP_INSTANCE_LOAD_PERMUTATION (slp_instn));
alone fixes this as the further load permutation checks fail. Whether this is
the right fix and whether it is sufficient, no idea unfortunately, not familiar
enough with the interleaving code. Richard or Michael, any thoughts?
