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| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-vect-slp.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a9dc514..aa161fd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2020-01-15 Richard Sandiford <richard.sandiford@arm.com> + + * tree-vect-slp.c (vectorize_slp_instance_root_stmt): Use a + VIEW_CONVERT_EXPR if the vectorized constructor has a diffeent + type from the lhs. + 2020-01-15 Martin Liska <mliska@suse.cz> * ipa-profile.c (ipa_profile_read_edge_summary): Do not allow diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index d164937..cebaa81 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -4307,6 +4307,10 @@ vectorize_slp_instance_root_stmt (slp_tree node, slp_instance instance) { tree vect_lhs = gimple_get_lhs (child_stmt_info->stmt); tree root_lhs = gimple_get_lhs (instance->root_stmt->stmt); + if (!useless_type_conversion_p (TREE_TYPE (root_lhs), + TREE_TYPE (vect_lhs))) + vect_lhs = build1 (VIEW_CONVERT_EXPR, TREE_TYPE (root_lhs), + vect_lhs); rstmt = gimple_build_assign (root_lhs, vect_lhs); break; } |