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[PR57206] Add test since the PR is fixed by patch to PR48052

Message ID DB5PR08MB11449BD861E287B557050893E77C0@DB5PR08MB1144.eurprd08.prod.outlook.com
State New
Headers show

Commit Message

Bin Cheng May 5, 2016, 4:23 p.m. UTC 
Hi,
This patch adds a test for PR57206.  The issue itself is long fixed by patch to PR48052.

Test on x86_64.  It's an obvious change, applied on trunk.

Thanks
bin

gcc/testsuite/ChangeLog
2016-05-04  Bin Cheng  <bin.cheng@arm.com>

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

diff --git a/gcc/testsuite/gcc.dg/vect/pr57206.c b/gcc/testsuite/gcc.dg/vect/pr57206.c
new file mode 100644
index 0000000..009688e
--- /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" } } */