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authorMathias Agopian <mathias@google.com>2010-07-14 18:48:58 -0700
committerAndroid Git Automerger <android-git-automerger@android.com>2010-07-14 18:48:58 -0700
commit0779682a490f12f102cd0cf1e768e3c68cfdc512 (patch)
treef56869325b9a8ba8735ed6fd3155e648b114b0e3 /services/surfaceflinger/clz.h
parent607d117aa360f74bd1b83a849fbee87f9660ad93 (diff)
parent78983a9133d3dd3f08b1ec462a7e2f9e7bfa9e2f (diff)
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am 78983a91: am 4055b780: Merge "move native services under services/" into gingerbread
Merge commit '78983a9133d3dd3f08b1ec462a7e2f9e7bfa9e2f' * commit '78983a9133d3dd3f08b1ec462a7e2f9e7bfa9e2f': move native services under services/
Diffstat (limited to 'services/surfaceflinger/clz.h')
-rw-r--r--services/surfaceflinger/clz.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/services/surfaceflinger/clz.h b/services/surfaceflinger/clz.h
new file mode 100644
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+++ b/services/surfaceflinger/clz.h
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+/*
+ * 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 */