From 996c63d336382840179a82483595e6cb12b8819f Mon Sep 17 00:00:00 2001
From: Richard Kenner <kenner@gcc.gnu.org>
Date: Wed, 29 Dec 1993 18:04:48 -0500
Subject: [PATCH] (fold, case PLUS_EXPR): Add a missing test of flag_fast_math.

From-SVN: r6341
---
 gcc/fold-const.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 82e63a70f0c..c2fbe87a755 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -3622,7 +3622,8 @@ fold (expr)
 				TREE_OPERAND (arg0, 1)));
 	}
       /* In IEEE floating point, x+0 may not equal x.  */
-      else if (TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT
+      else if ((TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT
+		|| flag_fast_math)
 	       && real_zerop (arg1))
 	return non_lvalue (convert (type, arg0));
     associate: