expr.c (do_store_flag): Expand vector comparison as VEC_COND_EXPR if...

gcc/

	* expr.c (do_store_flag): Expand vector comparison as
	VEC_COND_EXPR if vector comparison is not supported
	by target.

gcc/testsuite/

	* gcc.dg/pr68286.c: New test.

From-SVN: r230238

gcc/ChangeLog

+2015-11-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	* expr.c (do_store_flag): Expand vector comparison as
+	VEC_COND_EXPR if vector comparison is not supported
+	by target.
+
 2015-11-12  Renlin Li  <renlin.li@arm.com>
 
 	* config/arm/arm.md (addsi3_compare_op2): Make the order of

gcc/expr.c

@@ -11128,7 +11128,8 @@ do_store_flag (sepops ops, rtx target, machine_mode mode)
   if (TREE_CODE (ops->type) == VECTOR_TYPE)
     {
       tree ifexp = build2 (ops->code, ops->type, arg0, arg1);
-      if (VECTOR_BOOLEAN_TYPE_P (ops->type))
+      if (VECTOR_BOOLEAN_TYPE_P (ops->type)
+	  && expand_vec_cmp_expr_p (TREE_TYPE (arg0), ops->type))
 	return expand_vec_cmp_expr (ops->type, ifexp, target);
       else
 	{

gcc/testsuite/ChangeLog

+2015-11-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	* gcc.dg/pr68286.c: New test.
+
 2015-11-12  Christian Bruel  <christian.bruel@st.com>
 
 	* gcc.target/arm/mmx-1.c: Adjust for unified asm.

gcc/testsuite/gcc.dg/pr68286.c

+/* PR target/68286 */
+/* { dg-do compile } */
+/* { dg-options "-O3" } */
+
+int a, b, c;
+int fn1 ()
+{
+  int d[] = {0};
+  for (; c; c++)
+    {
+      float e = c;
+      if (e)
+        d[0]++;
+    }
+  b = d[0];
+  return a;
+}