gcc/

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

diff --git a/gcc/toplev.c b/gcc/toplev.c
index 013ce6e..a9705a7 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1022,6 +1022,9 @@ compile_file (void)
   if (flag_mudflap)
     mudflap_finish_file ();
 
+  output_shared_constant_pool ();
+  output_object_blocks ();
+
   /* Write out any pending weak symbol declarations.  */
 
   weak_finish ();
@@ -1498,6 +1501,20 @@ general_init (const char *argv0)
   init_optimization_passes ();
 }
 
+/* Return true if the current target supports -fsection-anchors.  */
+
+static bool
+target_supports_section_anchors_p (void)
+{
+  if (targetm.min_anchor_offset == 0 && targetm.max_anchor_offset == 0)
+    return false;
+
+  if (targetm.asm_out.output_anchor == NULL)
+    return false;
+
+  return true;
+}
+
 /* Process the options that have been parsed.  */
 static void
 process_options (void)
@@ -1520,6 +1537,13 @@ process_options (void)
   OVERRIDE_OPTIONS;
 #endif
 
+  if (flag_section_anchors && !target_supports_section_anchors_p ())
+    {
+      warning (OPT_fsection_anchors,
+              "this target does not support %qs", "-fsection-anchors");
+      flag_section_anchors = 0;
+    }
+
   if (flag_short_enums == 2)
     flag_short_enums = targetm.default_short_enums ();
 
@@ -1578,6 +1602,9 @@ process_options (void)
   if (flag_unit_at_a_time && ! lang_hooks.callgraph.expand_function)
     flag_unit_at_a_time = 0;
 
+  if (!flag_unit_at_a_time)
+    flag_section_anchors = 0;
+
   if (flag_value_profile_transformations)
     flag_profile_values = 1;
 
@@ -1807,7 +1834,6 @@ backend_init (void)
   init_regs ();
   init_fake_stack_mems ();
   init_alias_once ();
-  init_loop ();
   init_reload ();
   init_varasm_once ();