From: Mike Stump <mrs@wrs.com>
Date: Fri, 9 Mar 2001 17:03:46 +0000 (+0000)
Subject: * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dc647e999c54d025c07c5b4f5a674a6f271676a0;p=gcc.git

* cselib.c (hash_rtx): Ensure that hash isn't zero upon return.

From-SVN: r40346
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0d3a530b08b..8c5463b56b0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Fri Mar  9 09:00:36 2001  Mike Stump  <mrs@wrs.com>
+
+	* cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
+
 Fri Mar  9 17:38:08 CET 2001  Jan Hubicka  <jh@suse.cz>
 
 	* i386.h (mask_64bit): New constant.
diff --git a/gcc/cselib.c b/gcc/cselib.c
index 0dbc3ab618a..10f17e21669 100644
--- a/gcc/cselib.c
+++ b/gcc/cselib.c
@@ -580,7 +580,7 @@ hash_rtx (x, mode, create)
 	return 0;
 
       hash += e->value;
-      return hash;
+      return hash ? hash : (unsigned int) MEM;
 
     case CONST_INT:
       hash += ((unsigned) CONST_INT << 7) + (unsigned) mode + INTVAL (x);