From: wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 20 Nov 2015 16:27:17 +0000 (+0000)
Subject: Fix cygwin performance loss on linpack.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10efd28562ef32ea7178c61b107f1785a560ecd1;p=thirdparty%2Fgcc.git

Fix cygwin performance loss on linpack.

gcc/
	* tree-vect-data-refs.c (compare_tree): Call STRIP_NOPS.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230667 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 33e4f41ca3f8..e5607466d363 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-20  Jim Wilson  <jim.wilson@linaro.org>
+
+	* tree-vect-data-refs.c (compare_tree): Call STRIP_NOPS.
+
 2015-11-20  Evandro Menezes  <e.menezes@samsung.com>
 
 	* config/aarch64/aarch64.md (predicated): Copy attribute from
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c
index 9ee6efe73e06..f4436b544301 100644
--- a/gcc/tree-vect-data-refs.c
+++ b/gcc/tree-vect-data-refs.c
@@ -2545,6 +2545,8 @@ compare_tree (tree t1, tree t2)
   if (t2 == NULL)
     return 1;
 
+  STRIP_NOPS (t1);
+  STRIP_NOPS (t2);
 
   if (TREE_CODE (t1) != TREE_CODE (t2))
     return TREE_CODE (t1) < TREE_CODE (t2) ? -1 : 1;