[nvptx] Add support for CUDA 9

	PR target/83790

	gcc/
	* config/nvptx/nvptx.c (output_init_frag): Don't use generic address
	spaces for function labels.

	gcc/testsuite/
	* gcc.target/nvptx/indirect_call.c: New test.

From-SVN: r256891

gcc/ChangeLog

+2018-01-19  Cesar Philippidis  <cesar@codesourcery.com>
+
+	PR target/83790
+	* config/nvptx/nvptx.c (output_init_frag): Don't use generic address
+	spaces for function labels.
+
 2018-01-19  Martin Liska  <mliska@suse.cz>
 
 	* predict.def (PRED_LOOP_EXIT): Change from 85 to 89.

gcc/config/nvptx/nvptx.c

@@ -1899,9 +1899,15 @@ output_init_frag (rtx sym)
   
   if (sym)
     {
-      fprintf (asm_out_file, "generic(");
+      bool function = (SYMBOL_REF_DECL (sym)
+		       && (TREE_CODE (SYMBOL_REF_DECL (sym)) == FUNCTION_DECL));
+      if (!function)
+	fprintf (asm_out_file, "generic(");
       output_address (VOIDmode, sym);
-      fprintf (asm_out_file, val ? ") + " : ")");
+      if (!function)
+	fprintf (asm_out_file, ")");
+      if (val)
+	fprintf (asm_out_file, " + ");
     }
 
   if (!sym || val)

gcc/testsuite/ChangeLog

+2018-01-19  Cesar Philippidis  <cesar@codesourcery.com>
+
+	PR target/83790
+	* gcc.target/nvptx/indirect_call.c: New test.
+
 2018-01-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* g++.dg/torture/pr83619.C: Remove dg-message.

gcc/testsuite/gcc.target/nvptx/indirect_call.c

+/* { dg-options "-O2 -msoft-stack" } */
+/* { dg-do run } */
+
+int
+f1 (int a)
+{
+  return a + 1;
+}
+  
+int (*f2)(int) = f1;
+
+int
+main ()
+{
+  if (f2 (100) != 101)
+    __builtin_abort();
+
+  return 0;
+}