vectorscan/src/nfa/vermicellicompile.h
George Wort 6c6aee9682 Implement new DoubleVermicelli16 acceleration functions using SVE2
Change-Id: Id4a8ffca840caab930a6e78cc0dfd0fe7d320b4e
2021-10-12 11:51:34 +03:00

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2.0 KiB
C++

/*
* Copyright (c) 2021, Arm Limited
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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*/
/** \file
* \brief Vermicelli acceleration: compile code.
*/
#ifndef VERM_COMPILE_H
#define VERM_COMPILE_H
#include "ue2common.h"
#include "util/charreach.h"
#include "util/flat_containers.h"
#include <utility>
namespace ue2 {
bool vermicelli16Build(const CharReach &chars, u8 *rv);
bool vermicelliDouble16Build(const flat_set<std::pair<u8, u8>> &twochar,
u8 *chars, u8 *firsts);
bool vermicelliDoubleMasked16Build(char c1, char c2, char m1, char m2, u8 *rv);
} // namespace ue2
#endif // VERM_COMPILE_H