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tree-optimization/98393 - properly init matches when failing SLP

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This zeroes matches when failing SLP discovery because of the
work limit.

2021-01-04  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/98393
	* tree-vect-slp.c (vect_build_slp_tree): Properly zero matches
	when hitting the limit.
This commit is contained in:
Richard Biener 2021-01-04 11:22:24 +01:00
parent a40718b5fc
commit 0926259f9f
1 changed files with 1 additions and 0 deletions
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gcc/tree-vect-slp.c
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@ -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;