Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 35 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/lzcnt-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/lzcnt-2.c
new file mode 100644
index 000000000..329a11f97
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/lzcnt-2.c
@@ -0,0 +1,35 @@
+/* { dg-do run { target { lzcnt } } } */
+/* { dg-options "-O2 -mlzcnt -fno-inline" } */
+
+#include <x86intrin.h>
+
+#include "lzcnt-check.h"
+
+short calc_lzcnt_u16 (short src)
+{
+  int i;
+  short res = 0;
+
+  while ((res < 16) && (((src >> (15 - res)) & 1) == 0))
+    ++res;
+
+  return res;
+}
+
+static void
+lzcnt_test ()
+{
+  unsigned i;
+  short src = 0x7ace;
+  short res, res_ref;
+
+  for (i=0; i<5; ++i) {
+    src = src >> i;
+
+    res_ref = calc_lzcnt_u16 (src);
+    res = __lzcnt16 (src);
+
+    if (res != res_ref)
+      abort();
+  }
+}