re PR target/16343 (invalid code when using -meabi -msdata=eabi)

	PR target/16343
	* config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Disallow
	functions, strings and thread-local vars.

Co-Authored-By: Alan Modra <amodra@bigpond.net.au>

From-SVN: r91397

gcc/ChangeLog

+2004-11-28  Andreas Fischer <a_fisch@gmx.de>
+	    Alan Modra  <amodra@bigpond.net.au>
+
+	PR target/16343
+	* config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Disallow
+	functions, strings and thread-local vars.
+
 2004-11-28  Alan Modra  <amodra@bigpond.net.au>
 
 	* config/rs6000/rs6000.h (WORLD_SAVE_P): Define.

gcc/config/rs6000/rs6000.c

@@ -17263,6 +17263,18 @@ rs6000_elf_in_small_data_p (tree decl)
   if (rs6000_sdata == SDATA_NONE)
     return false;
 
+  /* We want to merge strings, so we never consider them small data.  */
+  if (TREE_CODE (decl) == STRING_CST)
+    return false;
+
+  /* Functions are never in the small data area.  */
+  if (TREE_CODE (decl) == FUNCTION_DECL)
+    return false;
+
+  /* Thread-local vars can't go in the small data area.  */
+  if (TREE_CODE (decl) == VAR_DECL && DECL_THREAD_LOCAL (decl))
+    return false;
+
   if (TREE_CODE (decl) == VAR_DECL && DECL_SECTION_NAME (decl))
     {
       const char *section = TREE_STRING_POINTER (DECL_SECTION_NAME (decl));