From 49c0e806ac515c294ac05761d231e0acf7c22572 Mon Sep 17 00:00:00 2001
From: Uros Bizjak <ubizjak@gmail.com>
Date: Tue, 8 May 2018 18:48:43 +0200
Subject: [PATCH] re PR tree-optimization/85693 (Generation of SAD (Sum of
 Absolute Difference) instruction)

	PR target/85693
	* gcc.target/i386/pr85693.c: New test.

From-SVN: r260047
---
 gcc/testsuite/ChangeLog                 |  5 +++++
 gcc/testsuite/gcc.target/i386/pr85693.c | 21 +++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/i386/pr85693.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index bd65daa518a..dc19677d02c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-05-08  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/85693
+	* gcc.target/i386/pr85693.c: New test.
+
 2018-05-08  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/85683
diff --git a/gcc/testsuite/gcc.target/i386/pr85693.c b/gcc/testsuite/gcc.target/i386/pr85693.c
new file mode 100644
index 00000000000..214a739fcbd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr85693.c
@@ -0,0 +1,21 @@
+/* { dg-do compile }
+/* { dg-options "-msse2 -O2 -ftree-vectorize" } */
+
+#define N 1024
+
+int abs (int);
+
+unsigned char pix1[N], pix2[N];
+
+int foo (void)
+{
+  int i_sum = 0;
+  int i;
+
+  for (i = 0; i < N; i++)
+    i_sum += abs (pix1[i] - pix2[i]);
+
+  return i_sum;
+}
+
+/* { dg-final { scan-assembler "psadbw" } } */
-- 
2.30.2