re PR bootstrap/80867 (gnat bootstrap broken on powerpc64le-linux-gnu with -O3)

gcc/ChangeLog:

2018-01-29  Richard Biener <rguenther@suse.de>
	    Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR bootstrap/80867
	* tree-vect-stmts.c (vectorizable_call): Don't call
	targetm.vectorize_builtin_md_vectorized_function if callee is
	NULL.


Co-Authored-By: Kelvin Nilsen <kelvin@gcc.gnu.org>

From-SVN: r257158

gcc/ChangeLog

+2018-01-29  Richard Biener <rguenther@suse.de>
+	    Kelvin Nilsen  <kelvin@gcc.gnu.org>
+
+	PR bootstrap/80867
+	* tree-vect-stmts.c (vectorizable_call): Don't call
+	targetm.vectorize_builtin_md_vectorized_function if callee is
+	NULL.
+
 2018-01-22 Carl Love <cel@us.ibm.com>
 
 	* doc/extend.tex: Fix typo in second arg in

gcc/tree-vect-stmts.c

@@ -3159,7 +3159,7 @@ vectorizable_call (gimple *gs, gimple_stmt_iterator *gsi, gimple **vec_stmt,
       if (cfn != CFN_LAST)
 	fndecl = targetm.vectorize.builtin_vectorized_function
 	  (cfn, vectype_out, vectype_in);
-      else
+      else if (callee)
 	fndecl = targetm.vectorize.builtin_md_vectorized_function
 	  (callee, vectype_out, vectype_in);
     }