PR tree-optimization/50343
* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check
that the reduction is over an SSA name before checking its
definition.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178775
138bc75d-0d04-0410-961f-
82ee72b054a4
+2011-09-12 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50343
+ * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check
+ that the reduction is over an SSA name before checking its
+ definition.
+
2011-09-11 Richard Sandiford <rdsandiford@googlemail.com>
* config/cris/cris.md: Use match_test rather than eq/ne symbol_ref
we know that oprnd1 is the reduction variable (defined by a loop-header
phi), and oprnd0 is an ssa-name defined by a stmt in the loop body.
Left to check that oprnd0 is defined by a (widen_)mult_expr */
+ if (TREE_CODE (oprnd0) != SSA_NAME)
+ return NULL;
prod_type = half_type;
stmt = SSA_NAME_DEF_STMT (oprnd0);