Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 52 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr60276.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr60276.c
new file mode 100644
index 000000000..d4ad21980
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/pr60276.c
@@ -0,0 +1,52 @@
+/* { dg-do run } */
+
+extern void abort (void);
+
+static void 
+foo (int *out, const int *lp, unsigned samples)
+{
+  int x, target;
+  for (x = 0, target = 0; x < (int)samples; x += 2, target++)
+    {
+      out[x] = lp[target];
+      out[x - 1] = out[x - 2] + out[x];
+    }
+}
+
+static void 
+foo_novec (int *out, const int *lp, unsigned samples)
+{
+  int x, target;
+  for (x = 0, target = 0; x < (int)samples; x += 2, target++)
+    {
+      out[x] = lp[target];
+      out[x - 1] = out[x - 2] + out[x];
+      __asm__ volatile ("" : : : "memory");
+    }
+}
+
+int main(void)
+{
+  const int lp[25] = {
+      0, 2, 4, 6, 8,
+      10, 12, 14, 16,
+      18, 20, 22, 24,
+      26, 28, 30, 32,
+      34, 36, 38, 40,
+      42, 44, 46, 48,
+  };
+  int out[49] = {0};
+  int out2[49] = {0};
+  int s;
+
+  foo (out + 2, lp + 1, 48);
+  foo_novec (out2 + 2, lp + 1, 48);
+
+  for (s = 0; s < 49; s++)
+    if (out[s] != out2[s])
+      abort ();
+
+  return 0;
+}
+
+/* { dg-final { cleanup-tree-dump "vect" } } */