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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7c805f3..6def113 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+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.

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 5a7bd84..ca919b3 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/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));