From 9066cfe9886ac131c34d59ed0e2d287b0e3c0087 Mon Sep 17 00:00:00 2001
From: The Android Open Source Project <initial-contribution@android.com>
Date: Tue, 3 Mar 2009 19:31:44 -0800
Subject: auto import from //depot/cupcake/@135843

---
 libs/surfaceflinger/clz.h | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 libs/surfaceflinger/clz.h

(limited to 'libs/surfaceflinger/clz.h')

diff --git a/libs/surfaceflinger/clz.h b/libs/surfaceflinger/clz.h
new file mode 100644
index 0000000..0ddf986
--- /dev/null
+++ b/libs/surfaceflinger/clz.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_SURFACE_FLINGER_CLZ_H
+
+#include <stdint.h>
+
+namespace android {
+
+int clz_impl(int32_t x);
+
+int inline clz(int32_t x)
+{
+#if defined(__arm__) && !defined(__thumb__)
+    return __builtin_clz(x);
+#else
+    return clz_impl(x);
+#endif
+}
+
+
+}; // namespace android
+
+#endif /* ANDROID_SURFACE_FLINGER_CLZ_H */
-- 
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