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