2006-05-04 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / gcc / cfgexpand.c

diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c
index 5548449..75d8e9d 100644 (file)
--- a/gcc/cfgexpand.c
+++ b/gcc/cfgexpand.c
@@ -192,6 +192,9 @@ alloc_stack_frame_space (HOST_WIDE_INT size, HOST_WIDE_INT align)
     }
   frame_offset = new_frame_offset;
 
+  if (frame_offset_overflow (frame_offset, cfun->decl))
+    frame_offset = offset = 0;
+
   return offset;
 }
 
@@ -1572,7 +1575,7 @@ discover_nonconstant_array_refs (void)
    confuse the CFG hooks, so be careful to not manipulate CFG during
    the expansion.  */
 
-static void
+static unsigned int
 tree_expand_cfg (void)
 {
   basic_block bb, init_block;
@@ -1685,6 +1688,7 @@ tree_expand_cfg (void)
   /* After expanding, the return labels are no longer needed. */
   return_label = NULL;
   naked_return_label = NULL;
+  return 0;
 }
 
 struct tree_opt_pass pass_expand =
@@ -1699,7 +1703,7 @@ struct tree_opt_pass pass_expand =
   /* ??? If TER is enabled, we actually receive GENERIC.  */
   PROP_gimple_leh | PROP_cfg,           /* properties_required */
   PROP_rtl,                             /* properties_provided */
-  PROP_gimple_leh,                     /* properties_destroyed */
+  PROP_trees,                          /* properties_destroyed */
   0,                                    /* todo_flags_start */
   TODO_dump_func,                       /* todo_flags_finish */
   'r'                                  /* letter */