* except.c (current_function_has_exception_handlers): New.

        * except.h: Declare it.
        * sibcall.c (optimize_sibling_and_tail_recursive_call): Use it.
        Combine tests that disable all sibcalls for the function.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51054 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 17 insertions, 0 deletions

diff --git a/gcc/except.c b/gcc/except.c
index 939610ffc1f..fa92368ec8d 100644
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -1401,6 +1401,23 @@ find_exception_handler_labels ()
   exception_handler_labels = list;
 }
 
+bool
+current_function_has_exception_handlers ()
+{
+  int i;
+
+  for (i = cfun->eh->last_region_number; i > 0; --i)
+    {
+      struct eh_region *region = cfun->eh->region_array[i];
+
+      if (! region || region->region_number != i)
+	continue;
+      if (region->type != ERT_THROW)
+	return true;
+    }
+
+  return false;
+}
 
 static struct eh_region *
 duplicate_eh_region_1 (o, map)