From: Marek Polacek <polacek@redhat.com>
Date: Thu, 11 Jun 2015 17:18:34 +0000 (+0000)
Subject: * match.pd ((x & y) ^ (x | y)): Don't check for single_use.
X-Git-Tag: basepoints/gcc-7~6370
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2d6f2dce793e917f00a366ed0d1c5d1545f5c50d;p=thirdparty%2Fgcc.git

* match.pd ((x & y) ^ (x | y)): Don't check for single_use.

From-SVN: r224390
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ef428b351a6c..066d66916803 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2015-06-11  Marek Polacek  <polacek@redhat.com>
+
+	* match.pd ((x & y) ^ (x | y)): Don't check for single_use.
+
 2015-06-11  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR bootstrap/66252
diff --git a/gcc/match.pd b/gcc/match.pd
index 9a1317e1f230..1ab2b1c00568 100644
--- a/gcc/match.pd
+++ b/gcc/match.pd
@@ -322,9 +322,8 @@ along with GCC; see the file COPYING3.  If not see
 
 /* (x & y) ^ (x | y) -> x ^ y */
 (simplify
- (bit_xor:c (bit_and@2 @0 @1) (bit_ior@3 @0 @1))
-  (if (single_use (@2) && single_use (@3))
-   (bit_xor @0 @1)))
+ (bit_xor:c (bit_and @0 @1) (bit_ior @0 @1))
+ (bit_xor @0 @1))
 
 (simplify
  (abs (negate @0))