From: Bin Cheng <bin.cheng@arm.com>
Date: Thu, 5 May 2016 16:20:54 +0000 (+0000)
Subject: re PR tree-optimization/57206 (Auto-vectorization fails when array index is an unsign... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c4f2425fe89117aa586d717c4d7d3b25c46bee66;p=gcc.git

re PR tree-optimization/57206 (Auto-vectorization fails when array index is an unsigned int expression)

	gcc/testsuite
	PR tree-optimization/57206
	* gcc.dg/vect/pr57206.c: New test.

From-SVN: r235926
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 79488a217a6..9ec6eb7c322 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-05  Bin Cheng  <bin.cheng@arm.com>
+
+	PR tree-optimization/57206
+	* gcc.dg/vect/pr57206.c: New test.
+
 2016-05-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* gcc.dg/ipa/inline-8.c	(isnanf): Declare.
diff --git a/gcc/testsuite/gcc.dg/vect/pr57206.c b/gcc/testsuite/gcc.dg/vect/pr57206.c
new file mode 100644
index 00000000000..009688e93b0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/pr57206.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target vect_float } */
+
+void bad0(float * d, unsigned int n)
+{
+  unsigned int i;
+  for (i=n; i>0; --i) 
+    d[n-i] = 0.0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */