Skip tail call tests on Thumb-1 targets

2016-05-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/testsuite/
    * gcc.dg/plugin/plugin.exp: skip tail call tests for Thumb-1.

From-SVN: r236769

gcc/testsuite/ChangeLog

+2016-05-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	* gcc.dg/plugin/plugin.exp: skip tail call tests for Thumb-1.
+
 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/71280

gcc/testsuite/gcc.dg/plugin/plugin.exp

@@ -90,6 +90,12 @@ foreach plugin_test $plugin_test_list {
     if ![runtest_file_p $runtests $plugin_src] then {
         continue
     }
+    # Skip tail call tests on targets that do not have sibcall_epilogue.
+    if {[regexp ".*must_tail_call_plugin.c" $plugin_src]
+	&& [istarget arm*-*-*]
+	&& [check_effective_target_arm_thumb1]} then {
+	continue
+    }
     set plugin_input_tests [lreplace $plugin_test 0 0]
     plugin-test-execute $plugin_src $plugin_input_tests
 }