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Fix SLP reduction initial value for pointer reductions

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For pointer reductions we need to convert the initial value to
the vector component integer type.

	* tree-vect-loop.cc (get_initial_defs_for_reduction): Convert
	initial value to the vector component type.
This commit is contained in:
Richard Biener 2024-02-23 11:21:20 +01:00
parent b6822bf3e3
commit b65cc09f9c
1 changed files with 8 additions and 1 deletions
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9
gcc/tree-vect-loop.cc
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@ -5618,7 +5618,14 @@ get_initial_defs_for_reduction (loop_vec_info loop_vinfo,
if (i >= initial_values.length () || (j > i && neutral_op))
op = neutral_op;
else
op = initial_values[i];
{
if (!useless_type_conversion_p (TREE_TYPE (vector_type),
TREE_TYPE (initial_values[i])))
initial_values[i] = gimple_convert (&ctor_seq,
TREE_TYPE (vector_type),
initial_values[i]);
op = initial_values[i];
}
/* Create 'vect_ = {op0,op1,...,opn}'. */
number_of_places_left_in_vector--;