* cse.c (exp_equiv_p): Special case CONST_DOUBLE.

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

diff --git a/gcc/varasm.c b/gcc/varasm.c
index e4d3097..88068b5 100644 (file)
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -60,6 +60,9 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 #endif
 
 /* The (assembler) name of the first globally-visible object output.  */
+extern GTY(()) const char *first_global_object_name;
+extern GTY(()) const char *weak_global_object_name;
+
 const char *first_global_object_name;
 const char *weak_global_object_name;
 
@@ -1207,11 +1210,11 @@ notice_global_symbol (tree decl)
   if (!*type)
     {
       const char *p;
-      char *name;
+      const char *name;
       rtx decl_rtl = DECL_RTL (decl);
 
       p = targetm.strip_name_encoding (XSTR (XEXP (decl_rtl, 0), 0));
-      name = xstrdup (p);
+      name = ggc_strdup (p);
 
       *type = name;
     }
@@ -1271,11 +1274,13 @@ assemble_start_function (tree decl, const char *fnname)
       unlikely_text_section ();
       assemble_align (FUNCTION_BOUNDARY);
       ASM_OUTPUT_LABEL (asm_out_file, cfun->cold_section_label);
-      if (BB_PARTITION (ENTRY_BLOCK_PTR->next_bb) == BB_COLD_PARTITION)
+
+      /* When the function starts with a cold section, we need to explicitly
+        align the hot section and write out the hot section label.
+        But if the current function is a thunk, we do not have a CFG.  */
+      if (!current_function_is_thunk
+         && BB_PARTITION (ENTRY_BLOCK_PTR->next_bb) == BB_COLD_PARTITION)
        {
-         /* Since the function starts with a cold section, we need to
-            explicitly align the hot section and write out the hot
-            section label.  */
          text_section ();
          assemble_align (FUNCTION_BOUNDARY);
          ASM_OUTPUT_LABEL (asm_out_file, cfun->hot_section_label);
@@ -1358,7 +1363,10 @@ assemble_start_function (tree decl, const char *fnname)
   ASM_OUTPUT_LABEL (asm_out_file, fnname);
 #endif /* ASM_DECLARE_FUNCTION_NAME */
 
-  insert_section_boundary_note ();
+  /* Add NOTE_INSN_SWITCH_TEXT_SECTIONS notes.  Don't do this if the current
+     function is a thunk, because we don't have a CFG in that case.  */
+  if (!current_function_is_thunk)
+    insert_section_boundary_note ();
 }
 
 /* Output assembler code associated with defining the size of the