vectorscan/src/util/match.hpp

65 lines
2.5 KiB
C++

/*
* Copyright (c) 2015-2017, Intel Corporation
* Copyright (c) 2020-2023, VectorCamp PC
*
* 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
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MATCH_HPP
#define MATCH_HPP
#include "ue2common.h"
#include "util/arch.h"
#include "util/bitutils.h"
#include "util/unaligned.h"
#include "util/supervector/supervector.hpp"
template <u16 S>
const u8 *first_non_zero_match(const u8 *buf, SuperVector<S> v, u16 const len = S);
template <u16 S>
const u8 *last_non_zero_match(const u8 *buf, SuperVector<S> v, u16 const len = S);
template <u16 S>
const u8 *first_zero_match_inverted(const u8 *buf, SuperVector<S> v, u16 const len = S);
template <u16 S>
const u8 *last_zero_match_inverted(const u8 *buf, SuperVector<S> v, u16 len = S);
#if defined(VS_SIMDE_BACKEND)
#include "util/arch/x86/match.hpp"
#else
#if defined(ARCH_IA32) || defined(ARCH_X86_64)
#include "util/arch/x86/match.hpp"
#elif defined(ARCH_ARM32) || defined(ARCH_AARCH64)
#include "util/arch/arm/match.hpp"
#elif defined(ARCH_PPC64EL)
#include "util/arch/ppc64el/match.hpp"
#endif
#endif
#endif // MATCH_HPP