From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 9 Nov 2018 12:29:51 +0000 (+0000)
Subject: 2018-11-09  Richard Biener  <rguenther@suse.de>
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f78245e5f4a117464626b90a42e896e36161679;p=thirdparty%2Fgcc.git

2018-11-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87953
	* tree-vect-loop.c (vectorizable_reduction): For analysis
	always pass ops[0] to vectorizable_condition.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@265964 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 07993c538c09..693ac972e5ff 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-11-09  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/87953
+	* tree-vect-loop.c (vectorizable_reduction): For analysis
+	always pass ops[0] to vectorizable_condition.
+
 2018-11-09  Stafford Horne  <shorne@gmail.com>
 	    Richard Henderson  <rth@twiddle.net>
 	    Joel Sherrill  <joel@rtems.org>
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
index 7338ca5efa87..0dc84f1f9e56 100644
--- a/gcc/tree-vect-loop.c
+++ b/gcc/tree-vect-loop.c
@@ -6485,9 +6485,10 @@ vectorizable_reduction (stmt_vec_info stmt_info, gimple_stmt_iterator *gsi,
   if (code == COND_EXPR)
     {
       /* Only call during the analysis stage, otherwise we'll lose
-	 STMT_VINFO_TYPE.  */
+	 STMT_VINFO_TYPE.  We'll pass ops[0] as reduc_op, it's only
+	 used as a flag during analysis.  */
       if (!vec_stmt && !vectorizable_condition (stmt_info, gsi, NULL,
-						ops[reduc_index], 0, NULL,
+						ops[0], 0, NULL,
 						cost_vec))
         {
           if (dump_enabled_p ())