From: Daniel Berlin <dberlin@dberlin.org>
Date: Thu, 16 Oct 2008 23:04:03 +0000 (+0000)
Subject: tree-ssa-pre.c (phi_translate_set): Add constants to phi translation cache.
X-Git-Tag: releases/gcc-4.4.0~2019
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=de278246dc4990bc1eaaf75ff3025f15ff4b5602;p=thirdparty%2Fgcc.git

tree-ssa-pre.c (phi_translate_set): Add constants to phi translation cache.

2008-10-16  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-pre.c (phi_translate_set): Add constants to phi
	translation cache.

From-SVN: r141182
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9fdf2c52f331..07b3b40eaedf 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2008-10-16  Daniel Berlin  <dberlin@dberlin.org>
+
+	* tree-ssa-pre.c (phi_translate_set): Add constants to phi
+	translation cache.
+
 2008-10-16  Joseph Myers  <joseph@codesourcery.com>
 
 	PR c/33192
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 84c884b060cf..f57500e62ace 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -1745,9 +1745,8 @@ phi_translate_set (bitmap_set_t dest, bitmap_set_t set, basic_block pred,
       pre_expr translated;
       translated = phi_translate (expr, set, NULL, pred, phiblock);
 
-      /* Don't add constants or empty translations to the cache, since
-	 we won't look them up that way, or use the result, anyway.  */
-      if (translated && !value_id_constant_p (get_expr_value_id (translated)))
+      /* Don't add empty translations to the cache  */
+      if (translated)
 	phi_trans_add (expr, translated, pred);
 
       if (translated != NULL)