https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102847
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index 9cbc1af4cc9..8f527452bd0 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -1191,6 +1191,13 @@ vect_model_load_cost (vec_info *vinfo,
ncopies * assumed_nunits,
scalar_load, stmt_info, 0, vect_body);
}
+ else if (memory_access_type == VMAT_INVARIANT)
+ {
+ /* Invariant loads will ideally be hoisted and splat to a vector. */
+ prologue_cost += record_stmt_cost (cost_vec, 1,
+ scalar_to_vec, stmt_info, 0,
+ vect_prologue);
+ }
else
vect_get_load_cost (vinfo, stmt_info, ncopies,
alignment_support_scheme, misalignment, first_stmt_p,
should fix that in a better way.
