* fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ead872d..90cff90 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,4 +1,10 @@
 2006-02-26  Roger Sayle  <roger@eyesopen.com>
+
+       * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
+       (X & 1) == 0.
+       <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
+
+2006-02-26  Roger Sayle  <roger@eyesopen.com>
            James A. Morrison  <phython@gcc.gnu.org>
 
        PR middle-end/21137