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author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
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committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/hyperscan/src/nfa/shufti.h | |
download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/hyperscan/src/nfa/shufti.h')
-rw-r--r-- | contrib/libs/hyperscan/src/nfa/shufti.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/libs/hyperscan/src/nfa/shufti.h b/contrib/libs/hyperscan/src/nfa/shufti.h new file mode 100644 index 0000000000..1ebf776cc7 --- /dev/null +++ b/contrib/libs/hyperscan/src/nfa/shufti.h @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2015, Intel Corporation + * + * 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. + */ + +/** \file + * \brief Shufti: character class acceleration. + * + * Utilises the SSSE3 pshufb shuffle instruction + */ + +#ifndef SHUFTI_H +#define SHUFTI_H + +#include "ue2common.h" +#include "util/simd_utils.h" + +#ifdef __cplusplus +extern "C" +{ +#endif + +const u8 *shuftiExec(m128 mask_lo, m128 mask_hi, const u8 *buf, + const u8 *buf_end); + +// Returns (buf - 1) if not found. +const u8 *rshuftiExec(m128 mask_lo, m128 mask_hi, const u8 *buf, + const u8 *buf_end); + +const u8 *shuftiDoubleExec(m128 mask1_lo, m128 mask1_hi, + m128 mask2_lo, m128 mask2_hi, + const u8 *buf, const u8 *buf_end); + +#ifdef __cplusplus +} +#endif + +#endif |