1 files changed, 16 insertions, 8 deletions
diff --git a/gcc/stmt.c b/gcc/stmt.c
index fbdf463..ac0aa15 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1098,18 +1098,26 @@ n_occurrences (c, s)
 }
 
 /* Generate RTL for an asm statement (explicit assembler code).
-   BODY is a STRING_CST node containing the assembler code text,
-   or an ADDR_EXPR containing a STRING_CST.  */
+   STRING is a STRING_CST node containing the assembler code text,
+   or an ADDR_EXPR containing a STRING_CST.  VOL nonzero means the
+   insn is volatile; don't optimize it.  */
 
 void
-expand_asm (body)
-     tree body;
+expand_asm (string, vol)
+     tree string;
+     int vol;
 {
-  if (TREE_CODE (body) == ADDR_EXPR)
-    body = TREE_OPERAND (body, 0);
+  rtx body;
+
+  if (TREE_CODE (string) == ADDR_EXPR)
+    string = TREE_OPERAND (string, 0);
+
+  body = gen_rtx_ASM_INPUT (VOIDmode, TREE_STRING_POINTER (string));
+
+  MEM_VOLATILE_P (body) = vol;
 
-  emit_insn (gen_rtx_ASM_INPUT (VOIDmode,
-				TREE_STRING_POINTER (body)));
+  emit_insn (body);
+  
   clear_last_expr ();
 }