gnat.exp: Load gcc.exp.

	* lib/gnat.exp: Load gcc.exp.
	(gnat_target_compile): Use gcc_target_compile for *.c sources.
	* gnat.dg/sse_nolib.adb: Use dg-require-effective-target sse_runtime.

From-SVN: r167185

gcc/testsuite/ChangeLog

+2010-11-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* lib/gnat.exp: Load gcc.exp.
+	(gnat_target_compile): Use gcc_target_compile for *.c sources.
+	* gnat.dg/sse_nolib.adb: Use dg-require-effective-target sse_runtime.
+
 2010-11-26  Richard Guenther  <rguenther@suse.de>
 
 	PR lto/46648

gcc/testsuite/gnat.dg/sse_nolib.adb

 --  { dg-do run { target i?86-*-* x86_64-*-* } }
 --  { dg-options "-O1 -msse" }
+--  { dg-require-effective-target sse_runtime } 
 
 with Ada.Unchecked_Conversion;
 

gcc/testsuite/lib/gnat.exp

@@ -27,6 +27,7 @@
 load_lib libgloss.exp
 load_lib prune.exp
 load_lib gcc-defs.exp
+load_lib gcc.exp
 load_lib timeout.exp
 
 #
@@ -132,6 +133,11 @@ proc gnat_target_compile { source dest type options } {
     global gnat_libgcc_s_path
     global gnat_target_current
 
+    # dg-require-effective-target tests must be compiled as C.
+    if [ string match "*.c" $source ] then {
+	return [gcc_target_compile $source $dest $type $options]
+    }
+
     # If we detect a change of target, we need to recompute both
     # GNAT_UNDER_TEST and the appropriate RTS.
     if { $gnat_target_current!="[current_target_name]" } {