* config/cpu/s390/atomicity.h (__exchange_and_add): Add "memory"

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

diff --git a/gcc/passes.c b/gcc/passes.c
index 7bb661d..2ea2a48 100644 (file)
--- a/gcc/passes.c
+++ b/gcc/passes.c
@@ -120,8 +120,7 @@ open_dump_file (enum tree_dump_index index, tree decl)
 
   timevar_push (TV_DUMP);
 
-  if (dump_file != NULL || dump_file_name != NULL)
-    abort ();
+  gcc_assert (!dump_file && !dump_file_name);
 
   dump_file_name = get_dump_file_name (index);
   initializing_dump = !dump_initialized_p (index);
@@ -225,7 +224,7 @@ rest_of_decl_compilation (tree decl,
         (see gcc.c-torture/compile/920624-1.c) */
       if ((at_end
           || !DECL_DEFER_OUTPUT (decl)
-          || (flag_unit_at_a_time && DECL_INITIAL (decl)))
+          || DECL_INITIAL (decl))
          && !DECL_EXTERNAL (decl))
        {
          if (flag_unit_at_a_time && !cgraph_global_info_ready
@@ -252,7 +251,7 @@ rest_of_decl_compilation (tree decl,
       timevar_pop (TV_SYMOUT);
     }
 
-  /* Let cgraph know about the existance of variables.  */
+  /* Let cgraph know about the existence of variables.  */
   if (TREE_CODE (decl) == VAR_DECL && !DECL_EXTERNAL (decl))
     cgraph_varpool_node (decl);
 }
@@ -285,16 +284,14 @@ rest_of_handle_final (void)
        different from the DECL_NAME name used in the source file.  */
 
     x = DECL_RTL (current_function_decl);
-    if (!MEM_P (x))
-      abort ();
+    gcc_assert (MEM_P (x));
     x = XEXP (x, 0);
-    if (GET_CODE (x) != SYMBOL_REF)
-      abort ();
+    gcc_assert (GET_CODE (x) == SYMBOL_REF);
     fnname = XSTR (x, 0);
 
     assemble_start_function (current_function_decl, fnname);
     final_start_function (get_insns (), asm_out_file, optimize);
-    final (get_insns (), asm_out_file, optimize, 0);
+    final (get_insns (), asm_out_file, optimize);
     final_end_function ();
 
 #ifdef TARGET_UNWIND_INFO
@@ -332,6 +329,11 @@ rest_of_handle_final (void)
 
   timevar_push (TV_SYMOUT);
   (*debug_hooks->function_decl) (current_function_decl);
+  if (unlikely_text_section_name)
+    {
+      free (unlikely_text_section_name);
+      unlikely_text_section_name = NULL;
+    }
   timevar_pop (TV_SYMOUT);
 
   ggc_collect ();
@@ -575,24 +577,38 @@ rest_of_handle_partition_blocks (void)
 static void
 rest_of_handle_sms (void)
 {
+  basic_block bb;
+  sbitmap blocks;
+
   timevar_push (TV_SMS);
   open_dump_file (DFI_sms, current_function_decl);
 
   /* We want to be able to create new pseudos.  */
   no_new_pseudos = 0;
+  /* Collect loop information to be used in SMS.  */
+  cfg_layout_initialize (CLEANUP_UPDATE_LIFE);
   sms_schedule (dump_file);
   close_dump_file (DFI_sms, print_rtl, get_insns ());
 
-
   /* Update the life information, because we add pseudos.  */
   max_regno = max_reg_num ();
   allocate_reg_info (max_regno, FALSE, FALSE);
-  update_life_info_in_dirty_blocks (UPDATE_LIFE_GLOBAL_RM_NOTES,
-                                   (PROP_DEATH_NOTES
-                                    | PROP_KILL_DEAD_CODE
-                                    | PROP_SCAN_DEAD_CODE));
+  blocks = sbitmap_alloc (last_basic_block);
+  sbitmap_ones (blocks);
+  update_life_info (blocks, UPDATE_LIFE_GLOBAL_RM_NOTES,
+                   (PROP_DEATH_NOTES
+                    | PROP_REG_INFO
+                    | PROP_KILL_DEAD_CODE
+                    | PROP_SCAN_DEAD_CODE));
+
   no_new_pseudos = 1;
 
+  /* Finalize layout changes.  */
+  FOR_EACH_BB (bb)
+    if (bb->next_bb != EXIT_BLOCK_PTR)
+      bb->rbi->next = bb->next_bb;
+  cfg_layout_finalize ();
+  free_dominance_info (CDI_DOMINATORS);
   ggc_collect ();
   timevar_pop (TV_SMS);
 }