From: Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
Date: Thu, 8 Feb 2001 16:24:34 +0000 (+0000)
Subject: * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dd248abd801eb0a3940e31f7b867ff454a735de3;p=gcc.git

* rtlanal.c (remove_node_from_expr_list): Correctly update PREV.

From-SVN: r39541
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7214014e459..586785725e7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Thu Feb  8 11:21:28 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
+
 2001-02-08  Bernd Schmidt  <bernds@redhat.com>
 
 	* final.c (cleanup_subreg_operands): The address of a MEM can
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index ff75d5c5832..a738acb28a5 100644
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -1596,11 +1596,10 @@ remove_note (insn, note)
   abort ();
 }
 
-/* Search LISTP (an EXPR_LIST) for NODE and remove NODE from the list
-   if it is found.
+/* Search LISTP (an EXPR_LIST) for an entry whose first operand is NODE and
+   remove that entry from the list if it is found.
 
-   A simple equality test is used to determine if NODE is on the
-   EXPR_LIST.  */
+   A simple equality test is used to determine if NODE matches.  */
 
 void
 remove_node_from_expr_list (node, listp)
@@ -1622,6 +1621,8 @@ remove_node_from_expr_list (node, listp)
 
 	  return;
 	}
+
+      prev = temp;
       temp = XEXP (temp, 1);
     }
 }