Message ID | alpine.LNX.2.00.1109120758580.2130@zhemvz.fhfr.qr |
---|---|
State | New |
Headers | show |
Index: gcc/tree-vect-patterns.c =================================================================== --- gcc/tree-vect-patterns.c (revision 178725) +++ gcc/tree-vect-patterns.c (working copy) @@ -256,6 +256,8 @@ vect_recog_dot_prod_pattern (VEC (gimple 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);