From: Richard Stallman <rms@gnu.org>
Date: Sat, 6 Feb 1993 01:02:25 +0000 (+0000)
Subject: (expand_expr_stmt): Bypass fetching a volatile value if it is VOIDmode.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6a5bbbe6b815b84e45e0a017b087c2d92516bc82;p=gcc.git

(expand_expr_stmt): Bypass fetching a volatile value if it is VOIDmode.

From-SVN: r3432
---

diff --git a/gcc/stmt.c b/gcc/stmt.c
index a4f032372e3..a615fce053a 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1326,7 +1326,9 @@ expand_expr_stmt (exp)
   if (last_expr_value != 0 && GET_CODE (last_expr_value) == MEM
       && TREE_THIS_VOLATILE (exp))
     {
-      if (TYPE_MODE (TREE_TYPE (exp)) != BLKmode)
+      if (TYPE_MODE (TREE_TYPE (exp)) == VOIDmode)
+	;
+      else if (TYPE_MODE (TREE_TYPE (exp)) != BLKmode)
 	copy_to_reg (last_expr_value);
       else
 	{