X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Ftoplev.c;h=7cfb29e8ef6d274cf137bfd2131309126e5fd8cf;hb=bf48cae7ca8c714c83bf71af83fad8408163a577;hp=30bae577992f7afd5c86e9f800a9199975a61eff;hpb=5125036ee955e150c78f80b56833a7eb27f84fde;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/toplev.c b/gcc/toplev.c
index 30bae577992..7cfb29e8ef6 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -253,8 +253,8 @@ enum dump_file_index
   DFI_flow2,
   DFI_peephole2,
   DFI_rnreg,
-  DFI_ce3,
   DFI_bbro,
+  DFI_ce3,
   DFI_sched2,
   DFI_stack,
   DFI_mach,
@@ -304,8 +304,8 @@ static struct dump_file_info dump_file[DFI_MAX] =
   { "flow2",	'w', 1, 0, 0 },
   { "peephole2", 'z', 1, 0, 0 },
   { "rnreg",	'n', 1, 0, 0 },
-  { "ce3",	'E', 1, 0, 0 },
   { "bbro",	'B', 1, 0, 0 },
+  { "ce3",	'E', 1, 0, 0 },
   { "sched2",	'R', 1, 0, 0 },
   { "stack",	'k', 1, 0, 0 },
   { "mach",	'M', 1, 0, 0 },
@@ -329,7 +329,7 @@ enum graph_dump_types graph_dump_format;
 char *asm_file_name;
 
 /* Value of the -G xx switch, and whether it was passed or not.  */
-int g_switch_value;
+unsigned HOST_WIDE_INT g_switch_value;
 int g_switch_set;
 
 /* Type(s) of debugging information we are producing (if any).
@@ -740,10 +740,6 @@ int flag_unwind_tables = 0;
 
 int flag_asynchronous_unwind_tables = 0;
 
-/* Nonzero means allow for forced unwinding.  */
-
-int flag_forced_unwind_exceptions;
-
 /* Nonzero means don't place uninitialized global data in common storage
    by default.  */
 
@@ -1128,8 +1124,6 @@ static const lang_independent_options f_options[] =
    N_("Generate unwind tables exact at each instruction boundary") },
   {"non-call-exceptions", &flag_non_call_exceptions, 1,
    N_("Support synchronous non-call exceptions") },
-  {"forced-unwind-exceptions", &flag_forced_unwind_exceptions, 1,
-   N_("Support forced unwinding, e.g. for thread cancellation") },
   {"profile-arcs", &profile_arc_flag, 1,
    N_("Insert arc based program profiling code") },
   {"test-coverage", &flag_test_coverage, 1,
@@ -1770,10 +1764,10 @@ setup_core_dumping ()
   {
     struct rlimit rlim;
     if (getrlimit (RLIMIT_CORE, &rlim) != 0)
-      fatal_io_error ("getting core file size maximum limit");
+      fatal_error ("getting core file size maximum limit: %m");
     rlim.rlim_cur = rlim.rlim_max;
     if (setrlimit (RLIMIT_CORE, &rlim) != 0)
-      fatal_io_error ("setting core file size limit to maximum");
+      fatal_error ("setting core file size limit to maximum: %m");
   }
 #endif
   diagnostic_abort_on_error (global_dc);
@@ -1919,7 +1913,7 @@ open_dump_file (index, decl)
 
   rtl_dump_file = fopen (dump_name, open_arg);
   if (rtl_dump_file == NULL)
-    fatal_io_error ("can't open %s", dump_name);
+    fatal_error ("can't open %s: %m", dump_name);
 
   free (dump_name);
 
@@ -2132,6 +2126,8 @@ check_global_declarations (vec, len)
 	  && ! TREE_USED (DECL_NAME (decl))
 	  && ! DECL_EXTERNAL (decl)
 	  && ! TREE_PUBLIC (decl)
+	  /* A volatile variable might be used in some non-obvious way.  */
+	  && ! TREE_THIS_VOLATILE (decl)
 	  /* Global register variables must be declared to reserve them.  */
 	  && ! (TREE_CODE (decl) == VAR_DECL && DECL_REGISTER (decl))
 	  /* Otherwise, ask the language.  */
@@ -3091,13 +3087,14 @@ rest_of_compilation (decl)
   close_dump_file (DFI_cfg, print_rtl_with_bb, insns);
 
   /* Do branch profiling and static profile estimation passes.  */
-  if (optimize > 0 || cfun->arc_profile || flag_branch_probabilities)
+  if (optimize > 0
+      || profile_arc_flag || flag_test_coverage || flag_branch_probabilities)
     {
       struct loops loops;
 
       timevar_push (TV_BRANCH_PROB);
       open_dump_file (DFI_bp, decl);
-      if (cfun->arc_profile || flag_branch_probabilities)
+      if (profile_arc_flag || flag_test_coverage || flag_branch_probabilities)
 	branch_prob ();
 
       /* Discover and record the loop depth at the head of each basic
@@ -3655,17 +3652,18 @@ rest_of_compilation (decl)
   free_bb_for_insn ();
 
   /* If a machine dependent reorganization is needed, call it.  */
-#ifdef MACHINE_DEPENDENT_REORG
-  timevar_push (TV_MACH_DEP);
-  open_dump_file (DFI_mach, decl);
+  if (targetm.machine_dependent_reorg != 0)
+    {
+      timevar_push (TV_MACH_DEP);
+      open_dump_file (DFI_mach, decl);
 
-  MACHINE_DEPENDENT_REORG (insns);
+      (*targetm.machine_dependent_reorg) ();
 
-  close_dump_file (DFI_mach, print_rtl, insns);
-  timevar_pop (TV_MACH_DEP);
+      close_dump_file (DFI_mach, print_rtl, insns);
+      timevar_pop (TV_MACH_DEP);
 
-  ggc_collect ();
-#endif
+      ggc_collect ();
+    }
 
   purge_line_number_notes (insns);
   cleanup_barriers ();
@@ -4881,7 +4879,7 @@ init_asm_output (name)
       else
 	asm_out_file = fopen (asm_file_name, "w+");
       if (asm_out_file == 0)
-	fatal_io_error ("can't open %s for writing", asm_file_name);
+	fatal_error ("can't open %s for writing: %m", asm_file_name);
     }
 
 #ifdef IO_BUFFER_SIZE
@@ -5370,7 +5368,7 @@ process_options ()
     {
       aux_info_file = fopen (aux_info_file_name, "w");
       if (aux_info_file == 0)
-	fatal_io_error ("can't open %s", aux_info_file_name);
+	fatal_error ("can't open %s: %m", aux_info_file_name);
     }
 
   if (! targetm.have_named_sections)
@@ -5522,9 +5520,9 @@ finalize ()
   if (asm_out_file)
     {
       if (ferror (asm_out_file) != 0)
-	fatal_io_error ("error writing to %s", asm_file_name);
+	fatal_error ("error writing to %s: %m", asm_file_name);
       if (fclose (asm_out_file) != 0)
-	fatal_io_error ("error closing %s", asm_file_name);
+	fatal_error ("error closing %s: %m", asm_file_name);
     }
 
   /* Do whatever is necessary to finish printing the graphs.  */