target-supports.exp (check_effective_target_cilkplus): New proc.

	* lib/target-supports.exp (check_effective_target_cilkplus): New proc.
	* gcc.dg/cilk-plus/cilk-plus.exp: only run if
	check_effective_target_cilkplus.
	* g++.dg/cilk-plus/cilk-plus.exp: Same.

From-SVN: r201048

gcc/testsuite/ChangeLog

+2013-07-19  Georg-Johann Lay  <avr@gjlay.de>
+
+	* lib/target-supports.exp (check_effective_target_cilkplus): New proc.
+	* gcc.dg/cilk-plus/cilk-plus.exp: only run if
+	check_effective_target_cilkplus.
+	* g++.dg/cilk-plus/cilk-plus.exp: Same.
+
 2013-07-18  Pat Haugen  <pthaugen@us.ibm.com>
 
 	* gcc.target/powerpc/pr57744.c: Fix typo.

gcc/testsuite/g++.dg/cilk-plus/cilk-plus.exp

@@ -19,6 +19,10 @@
 
 load_lib g++-dg.exp
 
+if { ![check_effective_target_cilkplus] } {
+    return;
+}
+
 dg-init
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -O0 -fcilkplus" " "

gcc/testsuite/gcc.dg/cilk-plus/cilk-plus.exp

@@ -19,6 +19,10 @@
 
 load_lib gcc-dg.exp
 
+if { ![check_effective_target_cilkplus] } {
+    return;
+}
+
 dg-init
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -fcilkplus" " "
 dg-runtest [lsort [glob -nocomplain $srcdir/c-c++-common/cilk-plus/AN/*.c]] " -O0 -fcilkplus" " "

gcc/testsuite/lib/target-supports.exp

@@ -1132,6 +1132,24 @@ proc check_effective_target_static_libgfortran { } {
     } "-static"]
 }
 
+# Return 1 if cilk-plus is supported by the target, 0 otherwise.
+ 
+proc check_effective_target_cilkplus { } {
+    # Skip cilk-plus tests on int16 and size16 targets for now.
+    # The cilk-plus tests are not generic enough to cover these
+    # cases and would throw hundreds of FAILs.
+    if { [check_effective_target_int16]
+	 || ![check_effective_target_size32plus] } {
+	return 0;
+    }
+
+    # Skip AVR, its RAM is too small and too many tests would fail.
+    if { [istarget avr-*-*] } {
+	return 0;
+    }
+    return 1
+}
+
 proc check_linker_plugin_available { } {
   return [check_no_compiler_messages_nocache linker_plugin executable {
      int main() { return 0; }