Daily bump.

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

diff --git a/gcc/toplev.c b/gcc/toplev.c
index f88b761..094a2e2 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -145,7 +145,7 @@ location_t unknown_location = { NULL, 0 };
 
 /* Used to enable -fvar-tracking, -fweb and -frename-registers according
    to optimize and default_debug_hooks in process_options ().  */
-#define AUTODETECT_FLAG_VAR_TRACKING 2
+#define AUTODETECT_VALUE 2
 
 /* Current position in real source file.  */
 
@@ -334,9 +334,9 @@ rtx stack_limit_rtx;
 int flag_renumber_insns = 1;
 
 /* Nonzero if we should track variables.  When
-   flag_var_tracking == AUTODETECT_FLAG_VAR_TRACKING it will be set according
+   flag_var_tracking == AUTODETECT_VALUE it will be set according
    to optimize, debug_info_level and debug_hooks in process_options ().  */
-int flag_var_tracking = AUTODETECT_FLAG_VAR_TRACKING;
+int flag_var_tracking = AUTODETECT_VALUE;
 
 /* True if the user has tagged the function with the 'section'
    attribute.  */
@@ -704,7 +704,8 @@ wrapup_global_declarations (tree *vec, int len)
 
       /* We're not deferring this any longer.  Assignment is
         conditional to avoid needlessly dirtying PCH pages.  */
-      if (DECL_DEFER_OUTPUT (decl) != 0)
+      if (CODE_CONTAINS_STRUCT (TREE_CODE (decl), TS_DECL_WITH_VIS)
+         && DECL_DEFER_OUTPUT (decl) != 0)
        DECL_DEFER_OUTPUT (decl) = 0;
 
       if (TREE_CODE (decl) == VAR_DECL && DECL_SIZE (decl) == 0)
@@ -801,13 +802,6 @@ check_global_declarations (tree *vec, int len)
     {
       decl = vec[i];
 
-      /* Do not emit debug information about variables that are in
-        static storage, but not defined.  */
-      if (TREE_CODE (decl) == VAR_DECL
-         && TREE_STATIC (decl)
-         && !TREE_ASM_WRITTEN (decl))
-       DECL_IGNORED_P (decl) = 1;
- 
       /* Warn about any function
         declared static but not defined.
         We don't warn about variables,
@@ -874,7 +868,8 @@ warn_deprecated_use (tree node)
   if (DECL_P (node))
     {
       expanded_location xloc = expand_location (DECL_SOURCE_LOCATION (node));
-      warning (0, "%qs is deprecated (declared at %s:%d)",
+      warning (OPT_Wdeprecated_declarations,
+              "%qs is deprecated (declared at %s:%d)",
               IDENTIFIER_POINTER (DECL_NAME (node)),
               xloc.file, xloc.line);
     }
@@ -897,18 +892,20 @@ warn_deprecated_use (tree node)
          expanded_location xloc
            = expand_location (DECL_SOURCE_LOCATION (decl));
          if (what)
-           warning (0, "%qs is deprecated (declared at %s:%d)", what,
-                      xloc.file, xloc.line);
+           warning (OPT_Wdeprecated_declarations,
+                    "%qs is deprecated (declared at %s:%d)", what,
+                    xloc.file, xloc.line);
          else
-           warning (0, "type is deprecated (declared at %s:%d)",
+           warning (OPT_Wdeprecated_declarations,
+                    "type is deprecated (declared at %s:%d)",
                     xloc.file, xloc.line);
        }
       else
        {
          if (what)
-           warning (0, "%qs is deprecated", what);
+           warning (OPT_Wdeprecated_declarations, "%qs is deprecated", what);
          else
-           warning (0, "type is deprecated");
+           warning (OPT_Wdeprecated_declarations, "type is deprecated");
        }
     }
 }
@@ -1470,7 +1467,7 @@ general_init (const char *argv0)
 
   /* This must be done after add_params but before argument processing.  */
   init_ggc_heuristics();
-  init_tree_optimization_passes ();
+  init_optimization_passes ();
 }
 
 /* Process the options that have been parsed.  */
@@ -1529,9 +1526,15 @@ process_options (void)
   if (flag_unroll_all_loops)
     flag_unroll_loops = 1;
 
-  /* The loop unrolling code assumes that cse will be run after loop.  */
-  if (flag_unroll_loops || flag_peel_loops)
-    flag_rerun_cse_after_loop = 1;
+  /* The loop unrolling code assumes that cse will be run after loop.
+     web and rename-registers also help when run after loop unrolling.  */
+
+  if (flag_rerun_cse_after_loop == AUTODETECT_VALUE)
+    flag_rerun_cse_after_loop = flag_unroll_loops || flag_peel_loops;
+  if (flag_web == AUTODETECT_VALUE)
+    flag_web = flag_unroll_loops || flag_peel_loops;
+  if (flag_rename_registers == AUTODETECT_VALUE)
+    flag_rename_registers = flag_unroll_loops || flag_peel_loops;
 
   /* If explicitly asked to run new loop optimizer, switch off the old
      one.  */
@@ -1559,17 +1562,6 @@ process_options (void)
   if (flag_value_profile_transformations)
     flag_profile_values = 1;
 
-  /* Speculative prefetching implies the value profiling.  We also switch off
-     the prefetching in the loop optimizer, so that we do not emit double
-     prefetches.  TODO -- we should teach these two to cooperate; the loop
-     based prefetching may sometimes do a better job, especially in connection
-     with reuse analysis.  */
-  if (flag_speculative_prefetching)
-    {
-      flag_profile_values = 1;
-      flag_prefetch_loop_arrays = 0;
-    }
-
   /* Warn about options that are not supported on this machine.  */
 #ifndef INSN_SCHEDULING
   if (flag_schedule_insns || flag_schedule_insns_after_reload)
@@ -1686,11 +1678,11 @@ process_options (void)
       flag_var_tracking = 0;
     }
 
-  if (flag_rename_registers == AUTODETECT_FLAG_VAR_TRACKING)
+  if (flag_rename_registers == AUTODETECT_VALUE)
     flag_rename_registers = default_debug_hooks->var_location
                            != do_nothing_debug_hooks.var_location;
 
-  if (flag_var_tracking == AUTODETECT_FLAG_VAR_TRACKING)
+  if (flag_var_tracking == AUTODETECT_VALUE)
     flag_var_tracking = optimize >= 1;
 
   /* If auxiliary info generation is desired, open the output file.
@@ -1729,24 +1721,12 @@ process_options (void)
       warning (0, "-fprefetch-loop-arrays not supported for this target");
       flag_prefetch_loop_arrays = 0;
     }
-  if (flag_speculative_prefetching)
-    {
-      if (flag_speculative_prefetching_set)
-       warning (0, "-fspeculative-prefetching not supported for this target");
-      flag_speculative_prefetching = 0;
-    }
 #else
   if (flag_prefetch_loop_arrays && !HAVE_prefetch)
     {
       warning (0, "-fprefetch-loop-arrays not supported for this target (try -march switches)");
       flag_prefetch_loop_arrays = 0;
     }
-  if (flag_speculative_prefetching && !HAVE_prefetch)
-    {
-      if (flag_speculative_prefetching_set)
-       warning (0, "-fspeculative-prefetching not supported for this target (try -march switches)");
-      flag_speculative_prefetching = 0;
-    }
 #endif
 
   /* This combination of options isn't handled for i386 targets and doesn't