From: Tom de Vries <tom@codesourcery.com>
Date: Thu, 14 Nov 2013 00:10:13 +0000 (+0000)
Subject: Simplify code in gimple_equal_p
X-Git-Tag: upstream/12.2.0~66641
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2f1aee044cb8edb759a20f6cace56fad368d35fa;p=platform%2Fupstream%2Fgcc.git

Simplify code in gimple_equal_p

2013-11-14  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-tail-merge.c (gimple_equal_p): Remove equal variable.

From-SVN: r204764
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a8d9c5b..2524127 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2013-11-14  Tom de Vries  <tom@codesourcery.com>
+
+	* tree-ssa-tail-merge.c (gimple_equal_p): Remove equal variable.
+
 2013-11-13  Andrew MacLeod  <amacleod@redhat,com>
 
 	* gimple-walk.h: New File.  Relocate prototypes from gimple.h.
diff --git a/gcc/tree-ssa-tail-merge.c b/gcc/tree-ssa-tail-merge.c
index 18c15d9..4068977 100644
--- a/gcc/tree-ssa-tail-merge.c
+++ b/gcc/tree-ssa-tail-merge.c
@@ -1086,7 +1086,7 @@ gimple_equal_p (same_succ same_succ, gimple s1, gimple s2)
   tree lhs1, lhs2;
   basic_block bb1 = gimple_bb (s1), bb2 = gimple_bb (s2);
   tree t1, t2;
-  bool equal, inv_cond;
+  bool inv_cond;
   enum tree_code code1, code2;
 
   if (gimple_code (s1) != gimple_code (s2))
@@ -1108,7 +1108,6 @@ gimple_equal_p (same_succ same_succ, gimple s1, gimple s2)
       if (gimple_call_builtin_p (s1, BUILT_IN_TM_COMMIT))
 	return false;
 
-      equal = true;
       for (i = 0; i < gimple_call_num_args (s1); ++i)
 	{
 	  t1 = gimple_call_arg (s1, i);
@@ -1117,11 +1116,8 @@ gimple_equal_p (same_succ same_succ, gimple s1, gimple s2)
 	    continue;
 	  if (gvn_uses_equal (t1, t2))
 	    continue;
-	  equal = false;
-	  break;
+	  return false;
 	}
-      if (!equal)
-	return false;
 
       lhs1 = gimple_get_lhs (s1);
       lhs2 = gimple_get_lhs (s2);