- fix whitespace in laste gcc/ChangeLog entry

[pf3gnuchains/gcc-fork.git] / gcc / tree-ssa.c

diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c
index 0455680..ad2d6c2 100644 (file)
--- a/gcc/tree-ssa.c
+++ b/gcc/tree-ssa.c
@@ -43,6 +43,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree-dump.h"
 #include "tree-pass.h"
 #include "diagnostic-core.h"
+#include "cfgloop.h"
 
 /* Pointer map of variable mappings, keyed by edge.  */
 static struct pointer_map_t *edge_var_maps;
@@ -2205,13 +2206,27 @@ execute_update_addresses_taken (void)
                  }
              }
 
+           else if (gimple_debug_bind_p (stmt)
+                    && gimple_debug_bind_has_value_p (stmt))
+             {
+               tree *valuep = gimple_debug_bind_get_value_ptr (stmt);
+               tree decl;
+               maybe_rewrite_mem_ref_base (valuep);
+               decl = non_rewritable_mem_ref_base (*valuep);
+               if (decl && symbol_marked_for_renaming (decl))
+                 gimple_debug_bind_reset_value (stmt);
+             }
+
            if (gimple_references_memory_p (stmt)
                || is_gimple_debug (stmt))
              update_stmt (stmt);
          }
 
       /* Update SSA form here, we are called as non-pass as well.  */
-      update_ssa (TODO_update_ssa);
+      if (number_of_loops () > 1 && loops_state_satisfies_p (LOOP_CLOSED_SSA))
+       rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa);
+      else
+       update_ssa (TODO_update_ssa);
     }
 
   BITMAP_FREE (not_reg_needs);