50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_OS_LZ4_H_
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#define _TD_OS_LZ4_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef WINDOWS
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int32_t BUILDIN_CLZL(uint64_t val);
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int32_t BUILDIN_CLZ(uint32_t val);
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int32_t BUILDIN_CTZL(uint64_t val);
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int32_t BUILDIN_CTZ(uint32_t val);
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#elif defined (_TD_LINUX_32)
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#define BUILDIN_CLZL(val) __builtin_clzll(val)
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#define BUILDIN_CTZL(val) __builtin_ctzll(val)
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#define BUILDIN_CLZ(val) __builtin_clz(val)
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#define BUILDIN_CTZ(val) __builtin_ctz(val)
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#elif defined (_TD_ARM_32)
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#define BUILDIN_CLZL(val) __builtin_clzll(val)
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#define BUILDIN_CTZL(val) __builtin_ctzll(val)
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#define BUILDIN_CLZ(val) __builtin_clz(val)
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#define BUILDIN_CTZ(val) __builtin_ctz(val)
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#else
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#define BUILDIN_CLZL(val) __builtin_clzl(val)
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#define BUILDIN_CTZL(val) __builtin_ctzl(val)
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#define BUILDIN_CLZ(val) __builtin_clz(val)
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#define BUILDIN_CTZ(val) __builtin_ctz(val)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_OS_LZ4_H_*/
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