PR middle-end/38584

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

diff --git a/gcc/toplev.c b/gcc/toplev.c
index 827b8f5..8417cfe 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -66,6 +66,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "diagnostic.h"
 #include "params.h"
 #include "reload.h"
+#include "ira.h"
 #include "dwarf2asm.h"
 #include "integrate.h"
 #include "real.h"
@@ -82,6 +83,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "alloc-pool.h"
 #include "tree-mudflap.h"
 #include "tree-pass.h"
+#include "gimple.h"
 
 #if defined (DWARF2_UNWIND_INFO) || defined (DWARF2_DEBUGGING_INFO)
 #include "dwarf2out.h"
@@ -244,11 +246,6 @@ int flag_pcc_struct_return = DEFAULT_PCC_STRUCT_RETURN;
 
 int flag_complex_method = 1;
 
-/* Nonzero means that we don't want inlining by virtue of -fno-inline,
-   not just because the tree inliner turned us off.  */
-
-int flag_really_no_inline = 2;
-
 /* Nonzero means we should be saving declaration info into a .X file.  */
 
 int flag_gen_aux_info = 0;
@@ -274,6 +271,16 @@ int flag_next_runtime = 0;
 
 enum tls_model flag_tls_default = TLS_MODEL_GLOBAL_DYNAMIC;
 
+/* Set the default region and algorithm for the integrated register
+   allocator.  */
+
+enum ira_algorithm flag_ira_algorithm = IRA_ALGORITHM_CB;
+enum ira_region flag_ira_region = IRA_REGION_MIXED;
+
+/* Set the default value for -fira-verbose.  */
+
+unsigned int flag_ira_verbose = 5;
+
 /* Nonzero means change certain warnings into errors.
    Usually these are warnings about failure to conform to some standard.  */
 
@@ -310,6 +317,9 @@ rtx stack_limit_rtx;
    to optimize, debug_info_level and debug_hooks in process_options ().  */
 int flag_var_tracking = AUTODETECT_VALUE;
 
+/* Type of stack check.  */
+enum stack_check_type flag_stack_check = NO_STACK_CHECK;
+
 /* True if the user has tagged the function with the 'section'
    attribute.  */
 
@@ -825,7 +835,7 @@ check_global_declaration_1 (tree decl)
          || TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))))
     {
       if (TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)))
-       pedwarn ("%q+F used but never defined", decl);
+       pedwarn (input_location, 0, "%q+F used but never defined", decl);
       else
        warning (OPT_Wunused_function, "%q+F declared %<static%> but never defined", decl);
       /* This symbol is effectively an "extern" declaration now.  */
@@ -1351,7 +1361,7 @@ init_asm_output (const char *name)
                                                   NULL);
            }
          else
-           inform ("-frecord-gcc-switches is not supported by the current target");
+           inform (input_location, "-frecord-gcc-switches is not supported by the current target");
        }
 
 #ifdef ASM_COMMENT_START
@@ -1648,6 +1658,19 @@ process_options (void)
      This can happen with incorrect pre-processed input. */
   debug_hooks = &do_nothing_debug_hooks;
 
+  /* This replaces set_Wunused.  */
+  if (warn_unused_function == -1)
+    warn_unused_function = warn_unused;
+  if (warn_unused_label == -1)
+    warn_unused_label = warn_unused;
+  /* Wunused-parameter is enabled if both -Wunused -Wextra are enabled.  */
+  if (warn_unused_parameter == -1)
+    warn_unused_parameter = (warn_unused && extra_warnings);
+  if (warn_unused_variable == -1)
+    warn_unused_variable = warn_unused;
+  if (warn_unused_value == -1)
+    warn_unused_value = warn_unused;
+
   /* Allow the front end to perform consistency checks and do further
      initialization based on the command line options.  This hook also
      sets the original filename if appropriate (e.g. foo.i -> foo.c)
@@ -1682,6 +1705,15 @@ process_options (void)
   else
     aux_base_name = "gccaux";
 
+#ifndef HAVE_cloog
+  if (flag_graphite
+      || flag_loop_block
+      || flag_loop_interchange
+      || flag_loop_strip_mine
+      || flag_graphite_identity)
+    sorry ("Graphite loop optimizations cannot be used");
+#endif
+
   /* Unrolling all loops implies that standard loop unrolling must also
      be done.  */
   if (flag_unroll_all_loops)
@@ -1702,9 +1734,6 @@ process_options (void)
   if (flag_asynchronous_unwind_tables)
     flag_unwind_tables = 1;
 
-  if (!flag_unit_at_a_time)
-    flag_section_anchors = 0;
-
   if (flag_value_profile_transformations)
     flag_profile_values = 1;
 
@@ -2000,6 +2029,7 @@ backend_init (void)
   save_register_info ();
 
   /* Initialize the target-specific back end pieces.  */
+  ira_init_once ();
   backend_init_target ();
 }
 
@@ -2020,9 +2050,10 @@ lang_dependent_init_target (void)
   /* Do the target-specific parts of expr initialization.  */
   init_expr_target ();
 
-  /* Although the actions of init_set_costs are language-independent,
-     it uses optabs, so we cannot call it from backend_init.  */
+  /* Although the actions of these functions are language-independent,
+     they use optabs, so we cannot call them from backend_init.  */
   init_set_costs ();
+  ira_init ();
 
   expand_dummy_function_end ();
 }
@@ -2087,10 +2118,12 @@ dump_memory_report (bool final)
   ggc_print_statistics ();
   stringpool_statistics ();
   dump_tree_statistics ();
+  dump_gimple_statistics ();
   dump_rtx_statistics ();
   dump_varray_statistics ();
   dump_alloc_pool_statistics ();
   dump_bitmap_statistics ();
+  dump_vec_loc_statistics ();
   dump_ggc_loc_statistics (final);
 }
 
@@ -2122,6 +2155,8 @@ finalize (void)
   statistics_fini ();
   finish_optimization_passes ();
 
+  ira_finish_once ();
+
   if (mem_report)
     dump_memory_report (true);