From 2de1796a6bf6748e1b3d392056761d68df40dbd0 Mon Sep 17 00:00:00 2001
From: Bill Schmidt <wschmidt@linux.vnet.ibm.com>
Date: Tue, 13 Dec 2016 20:05:10 +0000
Subject: [PATCH] rs600.c (rs6000_builtin_vectorization_cost): Adjust unaligned
load cost.
2016-12-13 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/rs600.c (rs6000_builtin_vectorization_cost):
Adjust unaligned load cost.
From-SVN: r243623
---
gcc/ChangeLog | 5 +++++
gcc/config/rs6000/rs6000.c | 3 +++
2 files changed, 8 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cbf7b2f466d9..dff1b829ce5f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-13 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ * config/rs6000/rs600.c (rs6000_builtin_vectorization_cost):
+ Adjust unaligned load cost.
+
2016-12-13 Uros Bizjak <ubizjak@gmail.com>
PR target/78794
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 27bae7145ef0..042ffc646579 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -5358,6 +5358,9 @@ rs6000_builtin_vectorization_cost (enum vect_cost_for_stmt type_of_cost,
return 3;
case unaligned_load:
+ if (TARGET_P9_VECTOR)
+ return 3;
+
if (TARGET_EFFICIENT_UNALIGNED_VSX)
return 1;
--
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