(make_decl_rtl): Handle flag_volatile_global.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@3679 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/varasm.c b/gcc/varasm.c
index a8e3cc3..c6d7576 100644 (file)
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -385,7 +385,9 @@ make_decl_rtl (decl, asmspec, top_level)
 
          DECL_RTL (decl) = gen_rtx (MEM, DECL_MODE (decl),
                                     gen_rtx (SYMBOL_REF, Pmode, name));
-         if (TREE_THIS_VOLATILE (decl))
+         if (TREE_THIS_VOLATILE (decl)
+           || (flag_volatile_global && TREE_CODE (decl) == VAR_DECL
+               && TREE_PUBLIC (decl)))
            MEM_VOLATILE_P (DECL_RTL (decl)) = 1;
          if (TREE_READONLY (decl))
            RTX_UNCHANGING_P (DECL_RTL (decl)) = 1;