From: Eric Botcazou <ebotcazou@adacore.com>
Date: Thu, 30 Jun 2011 19:39:41 +0000 (+0000)
Subject: re PR tree-optimization/49572 (gcc.dg/tree-ssa/20030709-2.c scan-tree-dump-times... 
X-Git-Tag: releases/gcc-4.4.7~340
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8cfdffb3e0d16f092b1ce26da84660425ef76ada;p=thirdparty%2Fgcc.git

re PR tree-optimization/49572 (gcc.dg/tree-ssa/20030709-2.c scan-tree-dump-times cddce2 ".rtmem" 0)

	PR tree-optimization/49572
	* tree-ssa-dom.c (initialize_hash_element) <GIMPLE_SINGLE_RHS>: Use the
	type of the RHS instead of that of the LHS for the expression type.

From-SVN: r175724
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e164ed90ce90..fb7d2153c20e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-06-30  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR tree-optimization/49572
+	* tree-ssa-dom.c (initialize_hash_element) <GIMPLE_SINGLE_RHS>: Use the
+	type of the RHS instead of that of the LHS for the expression type.
+
 2011-06-28  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* tree-ssa-dom.c (initialize_hash_element): Fix oversight.
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c
index 6b080383532d..6a34bda9ffe2 100644
--- a/gcc/tree-ssa-dom.c
+++ b/gcc/tree-ssa-dom.c
@@ -225,13 +225,11 @@ initialize_hash_element (gimple stmt, tree lhs,
     {
       enum tree_code subcode = gimple_assign_rhs_code (stmt);
 
-      expr->type = NULL_TREE;
-      
       switch (get_gimple_rhs_class (subcode))
         {
         case GIMPLE_SINGLE_RHS:
           expr->kind = EXPR_SINGLE;
-	  expr->type = TREE_TYPE (gimple_assign_lhs (stmt));
+	  expr->type = TREE_TYPE (gimple_assign_rhs1 (stmt));
           expr->ops.single.rhs = gimple_assign_rhs1 (stmt);
           break;
         case GIMPLE_UNARY_RHS: