Finish vectorizer pattern proper COND_EXPR transition

The following tries to finish building proper GIMPLE COND_EXPRs
in vectorizer pattern recognition.

	* tree-vect-patterns.cc (vect_recog_divmod_pattern): Build
	separate comparion pattern for the condition of a COND_EXPR
	pattern.

diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc
index d4c7793bb5aaed6b4830219448854598156e1331..d9fe4937858391096dc35bc2b6e77460da0b07fe 100644 (file)
--- a/gcc/tree-vect-patterns.cc
+++ b/gcc/tree-vect-patterns.cc
@@ -4933,8 +4933,11 @@ vect_recog_divmod_pattern (vec_info *vinfo,
          return pattern_stmt;
        }
 
-      cond = build2 (LT_EXPR, boolean_type_node, oprnd0,
-                    build_int_cst (itype, 0));
+      cond = vect_recog_temp_ssa_var (boolean_type_node, NULL);
+      def_stmt = gimple_build_assign (cond, LT_EXPR, oprnd0,
+                                     build_int_cst (itype, 0));
+      append_pattern_def_seq (vinfo, stmt_vinfo, def_stmt,
+                             truth_type_for (vectype), itype);
       if (rhs_code == TRUNC_DIV_EXPR
          || rhs_code == EXACT_DIV_EXPR)
        {