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the begginning

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david hill
2016-01-06 14:08:59 -06:00
parent 66a31debcb
commit f6afc42dd0
18251 changed files with 16460679 additions and 2 deletions
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35
utils/common/branchpred.h Normal file
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/* Copyright (C) 2014 InfiniDB, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
/** @file */
#ifndef COMMON_BRANCHPRED_H__
#define COMMON_BRANCHPRED_H__
#if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
#ifndef __builtin_expect
#define __builtin_expect(x, expected_value) (x)
#endif
#endif
#ifndef LIKELY
#define LIKELY(x) __builtin_expect((x),1)
#define UNLIKELY(x) __builtin_expect((x),0)
#endif
#endif