From: Richard Kenner <kenner@gcc.gnu.org>
Date: Fri, 17 Sep 1993 22:13:33 +0000 (-0400)
Subject: (fold_rtx, case MINUS): Copy result obtained from hash table.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f3becefd609e2ea009838ca4d68a6f2c6645cb19;p=gcc.git

(fold_rtx, case MINUS): Copy result obtained from hash table.

From-SVN: r5347
---

diff --git a/gcc/cse.c b/gcc/cse.c
index dd98146ffa8..a72e9b9fa3e 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -5215,7 +5215,8 @@ fold_rtx (x, insn)
 	    {
 	      rtx y = lookup_as_function (XEXP (x, 0), PLUS);
 	      if (y && GET_CODE (XEXP (y, 1)) == CONST_INT)
-		return fold_rtx (plus_constant (y, -INTVAL (const_arg1)),
+		return fold_rtx (plus_constant (copy_rtx (y),
+						-INTVAL (const_arg1)),
 				 NULL_RTX);
 	    }