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

From-SVN: r40346

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0d3a530b08b77be78ff52094de328978555a33bd..8c5463b56b0fc8185c1194e96e50407f8f7eaa27 100644 (file)
--- 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 0dbc3ab618a288893814d35238136f2fcbfc39d6..10f17e2166954bfee74e7041fe136d81c5444175 100644 (file)
--- 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);