This fixes PR52636 now that we treat all constants as constants
we need to convert them to the appropriate vector type.
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2012-03-20 Richard Guenther <rguent...@suse.de>
PR tree-optimizer/52636
* tree-vect-slp.c (vect_get_constant_vectors): Convert constants
to the appropriate type.
Index: gcc/tree-vect-slp.c
===================================================================
*** gcc/tree-vect-slp.c (revision 185563)
--- gcc/tree-vect-slp.c (working copy)
*************** vect_get_constant_vectors (tree op, slp_
*** 2363,2368 ****
--- 2363,2374 ----
/* Create 'vect_ = {op0,op1,...,opn}'. */
number_of_places_left_in_vector--;
+ if (constant_p
+ && !types_compatible_p (TREE_TYPE (vector_type), TREE_TYPE (op)))
+ {
+ op = fold_unary (VIEW_CONVERT_EXPR, TREE_TYPE (vector_type), op);
+ gcc_assert (op && CONSTANT_CLASS_P (op));
+ }
elts[number_of_places_left_in_vector] = op;
if (number_of_places_left_in_vector == 0)
