From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 10 Jun 2016 11:45:39 +0000 (+0000)
Subject: 2016-06-10  Richard Biener  <rguenther@suse.de>
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=79a1426f9e5f2f9c2ad9bf5b8250bd738b140bf2;p=thirdparty%2Fgcc.git

2016-06-10  Richard Biener  <rguenther@suse.de>

	* targhooks.c (default_builtin_vectorization_cost): Adjust
	vec_construct cost.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237302 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5038f751ae34..580dbed12c34 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-06-10  Richard Biener  <rguenther@suse.de>
+
+	* targhooks.c (default_builtin_vectorization_cost): Adjust
+	vec_construct cost.
+
 2016-06-10  Richard Biener  <rguenther@suse.de>
 
 	* gimple-fold.c (gimple_fold_builtin_memory_op): Make sure
diff --git a/gcc/targhooks.c b/gcc/targhooks.c
index 95980f547bd9..3e089e759ce9 100644
--- a/gcc/targhooks.c
+++ b/gcc/targhooks.c
@@ -564,8 +564,6 @@ default_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
                                     tree vectype,
                                     int misalign ATTRIBUTE_UNUSED)
 {
-  unsigned elements;
-
   switch (type_of_cost)
     {
       case scalar_stmt:
@@ -589,8 +587,7 @@ default_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
         return 3;
 
       case vec_construct:
-	elements = TYPE_VECTOR_SUBPARTS (vectype);
-	return elements / 2 + 1;
+	return TYPE_VECTOR_SUBPARTS (vectype) - 1;
 
       default:
         gcc_unreachable ();