From: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 23 May 2002 07:29:30 +0000 (+0000)
Subject: 	* gcse.c (hash_expr): Do not use alias set for hashing.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f993b2302ece6964f4e3e95dfc41d202e1d466eb;p=thirdparty%2Fgcc.git

	* gcse.c (hash_expr): Do not use alias set for hashing.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53772 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 565e25b8915d..67381fdacf74 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Thu May 23 09:22:23 CEST 2002  Jan Hubicka  <jh@suse.cz>
+
+	* gcse.c (hash_expr): Do not use alias set for hashing.
+
 2002-05-22  Kevin Buettner  <kevinb@redhat.com>
 
 	* dbxout.c (dbxout_class_name_qualifiers): New function.
diff --git a/gcc/gcse.c b/gcc/gcse.c
index b2aad0515393..8d05e005bb01 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -1689,7 +1689,9 @@ hash_expr_1 (x, mode, do_not_record_p)
 	}
 
       hash += (unsigned int) MEM;
-      hash += MEM_ALIAS_SET (x);
+      /* We used alias set for hashing, but this is not good, since the alias
+	 set may differ in -fprofile-arcs and -fbranch-probabilities compilation
+	 causing the profiles to fail to match.  */
       x = XEXP (x, 0);
       goto repeat;