This fixes up vect_recog_ctz_ffs_pattern. Bootstrap and regtest running on x86_64-unknown-linux-gnu.
* tree-vect-patterns.cc (vect_recog_ctz_ffs_pattern): Create a separate pattern stmt for the comparison in the generated COND_EXPR. --- gcc/tree-vect-patterns.cc | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc index d9fe4937858..46aa3129bb3 100644 --- a/gcc/tree-vect-patterns.cc +++ b/gcc/tree-vect-patterns.cc @@ -2072,8 +2072,11 @@ vect_recog_ctz_ffs_pattern (vec_info *vinfo, stmt_vec_info stmt_vinfo, tree ret_var = vect_recog_temp_ssa_var (lhs_type, NULL); rhs_oprnd = gimple_call_arg (call_stmt, 0); rhs_type = TREE_TYPE (rhs_oprnd); - tree cmp = build2_loc (loc, NE_EXPR, boolean_type_node, - rhs_oprnd, build_zero_cst (rhs_type)); + tree cmp = vect_recog_temp_ssa_var (boolean_type_node, NULL); + pattern_stmt = gimple_build_assign (cmp, NE_EXPR, rhs_oprnd, + build_zero_cst (rhs_type)); + append_pattern_def_seq (vinfo, stmt_vinfo, pattern_stmt, + truth_type_for (vec_type), rhs_type); pattern_stmt = gimple_build_assign (ret_var, COND_EXPR, cmp, new_var, build_int_cst (lhs_type, val)); -- 2.43.0