Testcase for pr53749

From-SVN: r188956

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0323f99f212145bfc856d6bbbe6b98b7bda5b113..8fec8b268f9897d1a8876e27d2f5918ff84b1dbb 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2012-06-25  Richard Henderson  <rth@redhat.com>
+
+       * gcc.dg/pr53749.c: New.
+
 2012-06-25  Jason Merrill  <jason@redhat.com>
 
        PR c++/52988

diff --git a/gcc/testsuite/gcc.dg/pr53749.c b/gcc/testsuite/gcc.dg/pr53749.c
new file mode 100644 (file)
index 0000000..136b5b0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr53749.c
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftree-vectorize" } */
+
+#define N 1024
+unsigned char a[N], b[N], c[N];
+
+void f1(void)
+{
+  int i;
+  for (i = 0; i < N; ++i)
+    a[i] = b[i] * c[i];
+}
+
+void f2(void)
+{
+  int i;
+  for (i = 0; i < N; ++i)
+    a[i] = b[i] * 2;
+}
+
+void f3(void)
+{
+  int i;
+  for (i = 0; i < N; ++i)
+    a[i] = b[i] * 20;
+}