From 0926259f9fc21a7f1e09f45f8aede156ef249585 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Mon, 4 Jan 2021 11:22:24 +0100 Subject: [PATCH] tree-optimization/98393 - properly init matches when failing SLP This zeroes matches when failing SLP discovery because of the work limit. 2021-01-04 Richard Biener PR tree-optimization/98393 * tree-vect-slp.c (vect_build_slp_tree): Properly zero matches when hitting the limit. --- gcc/tree-vect-slp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index f886d4d876c..2c2cf637e73 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -1429,6 +1429,7 @@ vect_build_slp_tree (vec_info *vinfo, SLP_TREE_SCALAR_STMTS (res) = vNULL; SLP_TREE_DEF_TYPE (res) = vect_uninitialized_def; vect_free_slp_tree (res); + memset (matches, 0, sizeof (bool) * group_size); return NULL; } --*limit; -- 2.30.2