1 files changed, 20 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/aarch64/pr62262.c b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/pr62262.c
index 5bf90bf7f..20763b499 100644
--- a/gcc-4.9/gcc/testsuite/gcc.target/aarch64/pr62262.c
+++ b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/pr62262.c
@@ -18,3 +18,23 @@ int foo(int value)
     int packed = (unsigned)(value << 9) >> 9;
     return packed;
 }
+/* { dg-do compile } */
+/* { dg-options "-O2 -fprofile-use" } */
+
+static inline int CLZ(int mask) {
+   return mask ? __builtin_clz(mask) : 32;
+}
+
+int foo(int value)
+{
+    if (value == 0)
+        return 0;
+
+    int bias = CLZ(value);
+    value >>= bias;
+    int zeros = CLZ(value << 1);
+    value <<= zeros;
+
+    int packed = (unsigned)(value << 9) >> 9;
+    return packed;
+}