(make_decl_rtl): Handle flag_volatile_global.

From-SVN: r3679

(make_decl_rtl): Handle flag_volatile_global.
From-SVN: r3679
0f15260a · Richard Stallman · 38d4d0c2 · 0f15260a
Commit 0f15260a authored Mar 08, 1993 by Richard Stallman
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gcc/varasm.c
+3 -1

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--- 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;