Update copyright years.

[thirdparty/gcc.git] / gcc / df-scan.cc

diff --git a/gcc/df-scan.cc b/gcc/df-scan.cc
index 1a41e6d3e1ccdf0e19c14d034197d1059da3193e..1bade2cd71e2b0d13a89faabefdc87a4b061058c 100644 (file)
--- a/gcc/df-scan.cc
+++ b/gcc/df-scan.cc
@@ -1,5 +1,5 @@
 /* Scanning of rtl for dataflow analysis.
-   Copyright (C) 1999-2022 Free Software Foundation, Inc.
+   Copyright (C) 1999-2024 Free Software Foundation, Inc.
    Originally contributed by Michael P. Hayes
              (m.hayes@elec.canterbury.ac.nz, mhayes@redhat.com)
    Major rewrite contributed by Danny Berlin (dberlin@dberlin.org)
@@ -3720,6 +3720,16 @@ df_get_exit_block_use_set (bitmap exit_block_uses)
     }
 #endif
 
+#ifdef EH_RETURN_TAKEN_RTX
+  if ((!targetm.have_epilogue () || ! epilogue_completed)
+      && crtl->calls_eh_return)
+    {
+      rtx tmp = EH_RETURN_TAKEN_RTX;
+      if (tmp && REG_P (tmp))
+       df_mark_reg (tmp, exit_block_uses);
+    }
+#endif
+
   if ((!targetm.have_epilogue () || ! epilogue_completed)
       && crtl->calls_eh_return)
     {