new folding rule

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158567 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3b40cf0..a891871 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
+
+       PR middle-end/41952
+       * fold-const.c (fold_comparison): New folding rule. 
+
 2010-04-20  Anatoly Sokolov  <aesok@post.ru
 
        * double-int.h (double_int_setbit): Declare.

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3cfaed1..01c2d92 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2010-04-20  Xinliang David Li  <davidxl@google.com>
+
+       * g++.dg/tree-ssa/fold-compare.C: New.
+
 2010-04-20  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/39417