mirror of
https://github.com/VectorCamp/vectorscan.git
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added refactored vermicelli_simd.cpp implementation
This commit is contained in:
Konstantinos Margaritis
parent
35a25fffd7
commit
8be8ed309f
78
src/nfa/vermicelli.hpp
Normal file
78
src/nfa/vermicelli.hpp
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@ -0,0 +1,78 @@
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/*
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* Copyright (c) 2015-2020, Intel Corporation
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* Copyright (c) 2020-2021, VectorCamp PC
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* Copyright (c) 2021, Arm Limited
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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||||
* * Redistributions in binary form must reproduce the above copyright
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||||
* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file
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* \brief Vermicelli: single-byte and double-byte acceleration.
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*/
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#ifndef VERMICELLI_HPP
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#define VERMICELLI_HPP
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#ifdef __cplusplus
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extern "C" {
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#endif
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const u8 *vermicelliExec(char c, char noCase, const u8 *buf, const u8 *buf_end);
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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const u8 *nvermicelliExec(char c, char noCase, const u8 *buf, const u8 *buf_end);
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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const u8 *rvermicelliExec(char c, char nocase, const u8 *buf, const u8 *buf_end);
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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const u8 *rnvermicelliExec(char c, char nocase, const u8 *buf, const u8 *buf_end);
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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const u8 *vermicelliDoubleExec(char c1, char c2, char nocase, const u8 *buf, const u8 *buf_end);
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#ifdef __cplusplus
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}
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#endif
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#endif /* VERMICELLI_HPP */
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508
src/nfa/vermicelli_simd.cpp
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508
src/nfa/vermicelli_simd.cpp
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@ -0,0 +1,508 @@
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/*
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* Copyright (c) 2015-2020, Intel Corporation
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* Copyright (c) 2020-2021, VectorCamp PC
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* Copyright (c) 2021, Arm Limited
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
|
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
|
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file
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* \brief Vermicelli: single-byte and double-byte acceleration.
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*/
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#include "util/bitutils.h"
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#include "util/simd_utils.h"
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#include "vermicelli.hpp"
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#include "util/supervector/casemask.hpp"
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#include "util/match.hpp"
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template <uint16_t S>
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static really_inline
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const u8 *vermicelliSingleBlock(SuperVector<S> data, SuperVector<S> chars, SuperVector<S> casemask, const u8 *buf) {
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SuperVector<S> mask = chars.eq(casemask & data);
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return first_non_zero_match<S>(buf, mask);
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}
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template <uint16_t S>
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static really_inline
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const u8 *rvermicelliSingleBlock(SuperVector<S> data, SuperVector<S> chars, SuperVector<S> casemask, const u8 *buf) {
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SuperVector<S> mask = chars.eq(casemask & data);
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return last_non_zero_match<S>(buf, mask);
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}
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template <uint16_t S>
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static really_inline
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const u8 *vermicelliDoubleBlock(SuperVector<S> data, SuperVector<S> chars1, SuperVector<S> chars2, SuperVector<S> casemask,
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const u8 *buf/*, SuperVector<S> *lastmask1, size_t len = S*/) {
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// lastmask1->print8("lastmask1");
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data.print8("data");
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chars1.print8("chars1");
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chars2.print8("chars2");
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casemask.print8("casemask");
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SuperVector<S> v = casemask & data;
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v.print8("v");
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SuperVector<S> mask1 = chars1.eq(v);
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mask1.print8("mask1");
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SuperVector<S> mask2 = chars2.eq(v);
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mask2.print8("mask2");
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SuperVector<S> mask = (mask1 & (mask2 >> 1));
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mask.print8("mask");
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DEBUG_PRINTF("len = %ld\n", len);
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// *lastmask1 = mask1 >> (len -1);
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// lastmask1->print8("lastmask1");
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return first_non_zero_match<S>(buf, mask);
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}
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template <uint16_t S>
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static really_inline
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const u8 *vermicelliSingleBlockNeg(SuperVector<S> data, SuperVector<S> chars, SuperVector<S> casemask, const u8 *buf) {
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SuperVector<S> mask = chars.eq(casemask & data);
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return first_zero_match_inverted<S>(buf, mask);
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}
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template <uint16_t S>
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static really_inline
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const u8 *rvermicelliSingleBlockNeg(SuperVector<S> data, SuperVector<S> chars, SuperVector<S> casemask, const u8 *buf) {
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SuperVector<S> mask = chars.eq(casemask & data);
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return last_zero_match_inverted<S>(buf, mask);
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}
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/*
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template <uint16_t S>
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static really_inline
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const u8 *vermicelliDoubleBlockNeg(SuperVector<S> data, SuperVector<S> chars1, SuperVector<S> chars2, SuperVector<S> casemask,
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const u8 *buf, size_t len = S) {
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// lastmask1.print8("lastmask1");
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data.print8("data");
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chars1.print8("chars1");
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chars2.print8("chars2");
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casemask.print8("casemask");
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SuperVector<S> v = casemask & data;
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v.print8("v");
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SuperVector<S> mask1 = chars1.eq(v);
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mask1.print8("mask1");
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SuperVector<S> mask2 = chars2.eq(v);
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mask2.print8("mask2");
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SuperVector<S> mask = (mask1 & (mask2 >> 1));// | lastmask1;
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mask.print8("mask");
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DEBUG_PRINTF("len = %ld\n", len);
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// lastmask1 = mask << (len -1);
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// lastmask1.print8("lastmask1");
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return last_zero_match_inverted<S>(buf, mask);
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}*/
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template <uint16_t S>
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static const u8 *vermicelliExecReal(SuperVector<S> const chars, SuperVector<S> const casemask, const u8 *buf, const u8 *buf_end) {
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assert(buf && buf_end);
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assert(buf < buf_end);
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DEBUG_PRINTF("verm %p len %zu\n", buf, buf_end - buf);
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DEBUG_PRINTF("b %s\n", buf);
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const u8 *d = buf;
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const u8 *rv;
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__builtin_prefetch(d + 64);
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__builtin_prefetch(d + 2*64);
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__builtin_prefetch(d + 3*64);
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__builtin_prefetch(d + 4*64);
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DEBUG_PRINTF("start %p end %p \n", d, buf_end);
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assert(d < buf_end);
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if (d + S <= buf_end) {
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// Reach vector aligned boundaries
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DEBUG_PRINTF("until aligned %p \n", ROUNDUP_PTR(d, S));
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if (!ISALIGNED_N(d, S)) {
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SuperVector<S> data = SuperVector<S>::loadu(d);
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rv = vermicelliSingleBlock(data, chars, casemask, d);
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if (rv) return rv;
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d = ROUNDUP_PTR(d, S);
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}
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while(d + S <= buf_end) {
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__builtin_prefetch(d + 64);
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DEBUG_PRINTF("d %p \n", d);
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SuperVector<S> data = SuperVector<S>::load(d);
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rv = vermicelliSingleBlock(data, chars, casemask, d);
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if (rv) return rv;
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d += S;
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}
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}
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DEBUG_PRINTF("d %p e %p \n", d, buf_end);
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// finish off tail
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if (d != buf_end) {
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SuperVector<S> data = SuperVector<S>::loadu_maskz(d, buf_end - d);
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rv = vermicelliSingleBlock(data, chars, casemask, d);
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DEBUG_PRINTF("rv %p \n", rv);
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if (rv && rv < buf_end) return rv;
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}
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return buf_end;
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}
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template <uint16_t S>
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static const u8 *nvermicelliExecReal(SuperVector<S> const chars, SuperVector<S> const casemask, const u8 *buf, const u8 *buf_end) {
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assert(buf && buf_end);
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assert(buf < buf_end);
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DEBUG_PRINTF("verm %p len %zu\n", buf, buf_end - buf);
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DEBUG_PRINTF("b %s\n", buf);
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const u8 *d = buf;
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const u8 *rv;
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__builtin_prefetch(d + 64);
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__builtin_prefetch(d + 2*64);
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__builtin_prefetch(d + 3*64);
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__builtin_prefetch(d + 4*64);
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DEBUG_PRINTF("start %p end %p \n", d, buf_end);
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assert(d < buf_end);
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if (d + S <= buf_end) {
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// Reach vector aligned boundaries
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DEBUG_PRINTF("until aligned %p \n", ROUNDUP_PTR(d, S));
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if (!ISALIGNED_N(d, S)) {
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SuperVector<S> data = SuperVector<S>::loadu(d);
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rv = vermicelliSingleBlockNeg(data, chars, casemask, d);
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if (rv) return rv;
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d = ROUNDUP_PTR(d, S);
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}
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while(d + S <= buf_end) {
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__builtin_prefetch(d + 64);
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DEBUG_PRINTF("d %p \n", d);
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SuperVector<S> data = SuperVector<S>::load(d);
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rv = vermicelliSingleBlockNeg(data, chars, casemask, d);
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if (rv) return rv;
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d += S;
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}
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}
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DEBUG_PRINTF("d %p e %p \n", d, buf_end);
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// finish off tail
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if (d != buf_end) {
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SuperVector<S> data = SuperVector<S>::loadu_maskz(d, buf_end - d);
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rv = vermicelliSingleBlockNeg(data, chars, casemask, d);
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DEBUG_PRINTF("rv %p \n", rv);
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if (rv && rv < buf_end) return rv;
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}
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return buf_end;
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}
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// Reverse vermicelli scan. Provides exact semantics and returns (buf - 1) if
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// character not found.
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template <uint16_t S>
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const u8 *rvermicelliExecReal(SuperVector<S> const chars, SuperVector<S> const casemask, const u8 *buf, const u8 *buf_end) {
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assert(buf && buf_end);
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assert(buf < buf_end);
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DEBUG_PRINTF("rverm %p len %zu\n", buf, buf_end - buf);
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DEBUG_PRINTF("b %s\n", buf);
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const u8 *d = buf_end;
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const u8 *rv;
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__builtin_prefetch(d - 64);
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__builtin_prefetch(d - 2*64);
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__builtin_prefetch(d - 3*64);
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__builtin_prefetch(d - 4*64);
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DEBUG_PRINTF("start %p end %p \n", buf, d);
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assert(d > buf);
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if (d - S >= buf) {
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// Reach vector aligned boundaries
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DEBUG_PRINTF("until aligned %p \n", ROUNDDOWN_PTR(d, S));
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if (!ISALIGNED_N(d, S)) {
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SuperVector<S> data = SuperVector<S>::loadu(d - S);
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rv = rvermicelliSingleBlock(data, chars, casemask, d - S);
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DEBUG_PRINTF("rv %p \n", rv);
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if (rv) return rv;
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d = ROUNDDOWN_PTR(d, S);
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}
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while (d - S >= buf) {
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DEBUG_PRINTF("aligned %p \n", d);
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// On large packet buffers, this prefetch appears to get us about 2%.
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__builtin_prefetch(d - 64);
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d -= S;
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SuperVector<S> data = SuperVector<S>::load(d);
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rv = rvermicelliSingleBlock(data, chars, casemask, d);
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if (rv) return rv;
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}
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}
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DEBUG_PRINTF("tail d %p e %p \n", buf, d);
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// finish off head
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if (d != buf) {
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SuperVector<S> data = SuperVector<S>::loadu(buf);
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rv = rvermicelliSingleBlock(data, chars, casemask, buf);
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DEBUG_PRINTF("rv %p \n", rv);
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if (rv && rv < buf_end) return rv;
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}
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return buf - 1;
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}
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// Reverse vermicelli scan. Provides exact semantics and returns (buf - 1) if
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// character not found.
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template <uint16_t S>
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const u8 *rnvermicelliExecReal(SuperVector<S> const chars, SuperVector<S> const casemask, const u8 *buf, const u8 *buf_end) {
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assert(buf && buf_end);
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assert(buf < buf_end);
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DEBUG_PRINTF("rverm %p len %zu\n", buf, buf_end - buf);
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DEBUG_PRINTF("b %s\n", buf);
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const u8 *d = buf_end;
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const u8 *rv;
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__builtin_prefetch(d - 64);
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__builtin_prefetch(d - 2*64);
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__builtin_prefetch(d - 3*64);
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__builtin_prefetch(d - 4*64);
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DEBUG_PRINTF("start %p end %p \n", buf, d);
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assert(d > buf);
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if (d - S >= buf) {
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// Reach vector aligned boundaries
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DEBUG_PRINTF("until aligned %p \n", ROUNDDOWN_PTR(d, S));
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if (!ISALIGNED_N(d, S)) {
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SuperVector<S> data = SuperVector<S>::loadu(d - S);
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rv = rvermicelliSingleBlockNeg(data, chars, casemask, d - S);
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DEBUG_PRINTF("rv %p \n", rv);
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if (rv) return rv;
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d = ROUNDDOWN_PTR(d, S);
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}
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while (d - S >= buf) {
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DEBUG_PRINTF("aligned %p \n", d);
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// On large packet buffers, this prefetch appears to get us about 2%.
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__builtin_prefetch(d - 64);
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d -= S;
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SuperVector<S> data = SuperVector<S>::load(d);
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rv = rvermicelliSingleBlockNeg(data, chars, casemask, d);
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if (rv) return rv;
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}
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}
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DEBUG_PRINTF("tail d %p e %p \n", buf, d);
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// finish off head
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if (d != buf) {
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SuperVector<S> data = SuperVector<S>::loadu(buf);
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rv = rvermicelliSingleBlockNeg(data, chars, casemask, buf);
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DEBUG_PRINTF("rv %p \n", rv);
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if (rv && rv < buf_end) return rv;
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}
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return buf - 1;
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}
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template <uint16_t S>
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static const u8 *vermicelliDoubleExecReal(u8 const c1, u8 const c2, SuperVector<S> const casemask,
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const u8 *buf, const u8 *buf_end) {
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assert(buf && buf_end);
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assert(buf < buf_end);
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DEBUG_PRINTF("verm %p len %zu\n", buf, buf_end - buf);
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DEBUG_PRINTF("b %s\n", buf);
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const u8 *d = buf;
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const u8 *rv;
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// SuperVector<S> lastmask1{0};
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const SuperVector<VECTORSIZE> chars1 = SuperVector<VECTORSIZE>::dup_u8(c1);
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const SuperVector<VECTORSIZE> chars2 = SuperVector<VECTORSIZE>::dup_u8(c2);
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const u8 casechar = casemask.u.u8[0];
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__builtin_prefetch(d + 64);
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__builtin_prefetch(d + 2*64);
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__builtin_prefetch(d + 3*64);
|
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__builtin_prefetch(d + 4*64);
|
||||
DEBUG_PRINTF("start %p end %p \n", d, buf_end);
|
||||
assert(d < buf_end);
|
||||
if (d + S <= buf_end) {
|
||||
// Reach vector aligned boundaries
|
||||
DEBUG_PRINTF("until aligned %p \n", ROUNDUP_PTR(d, S));
|
||||
if (!ISALIGNED_N(d, S)) {
|
||||
SuperVector<S> data = SuperVector<S>::loadu(d);
|
||||
rv = vermicelliDoubleBlock(data, chars1, chars2, casemask, d);//, &lastmask1);
|
||||
if (rv) return rv;
|
||||
d = ROUNDUP_PTR(d, S);
|
||||
}
|
||||
|
||||
while(d + S <= buf_end) {
|
||||
__builtin_prefetch(d + 64);
|
||||
DEBUG_PRINTF("d %p \n", d);
|
||||
SuperVector<S> data = SuperVector<S>::load(d);
|
||||
rv = vermicelliDoubleBlock(data, chars1, chars2, casemask, d);//, &lastmask1);
|
||||
if (rv) {
|
||||
bool partial_match = (((rv[0] & casechar) == c2) && ((rv[-1] & casechar) == c1));
|
||||
return rv - partial_match;
|
||||
}
|
||||
d += S;
|
||||
}
|
||||
}
|
||||
|
||||
DEBUG_PRINTF("tail d %p e %p \n", d, buf_end);
|
||||
// finish off tail
|
||||
|
||||
if (d != buf_end) {
|
||||
SuperVector<S> data = SuperVector<S>::loadu_maskz(d, buf_end - d);
|
||||
rv = vermicelliDoubleBlock(data, chars1, chars2, casemask, d);//, buf_end - d);
|
||||
DEBUG_PRINTF("rv %p \n", rv);
|
||||
if (rv && rv < buf_end) return rv;
|
||||
}
|
||||
|
||||
DEBUG_PRINTF("real tail d %p e %p \n", d, buf_end);
|
||||
/* check for partial match at end */
|
||||
u8 mask = casemask.u.u8[0];
|
||||
// u8 c1 = chars1.u.u8[0];
|
||||
if ((buf_end[-1] & mask) == (u8)c1) {
|
||||
DEBUG_PRINTF("partial!!!\n");
|
||||
return buf_end - 1;
|
||||
}
|
||||
|
||||
return buf_end;
|
||||
}
|
||||
|
||||
// /* returns highest offset of c2 (NOTE: not c1) */
|
||||
// static really_inline
|
||||
// const u8 *rvermicelliDoubleExec(char c1, char c2, char nocase, const u8 *buf,
|
||||
// const u8 *buf_end) {
|
||||
// DEBUG_PRINTF("rev double verm scan %s\\x%02hhx%02hhx over %zu bytes\n",
|
||||
// nocase ? "nocase " : "", c1, c2, (size_t)(buf_end - buf));
|
||||
// assert(buf < buf_end);
|
||||
|
||||
// VERM_TYPE chars1 = VERM_SET_FN(c1); /* nocase already uppercase */
|
||||
// VERM_TYPE chars2 = VERM_SET_FN(c2); /* nocase already uppercase */
|
||||
|
||||
// #ifdef HAVE_AVX512
|
||||
// if (buf_end - buf <= VERM_BOUNDARY) {
|
||||
// const u8 *ptr = nocase
|
||||
// ? rdvermMiniNocase(chars1, chars2, buf, buf_end)
|
||||
// : rdvermMini(chars1, chars2, buf, buf_end);
|
||||
|
||||
// if (ptr) {
|
||||
// return ptr;
|
||||
// }
|
||||
|
||||
// // check for partial match at end ???
|
||||
// return buf - 1;
|
||||
// }
|
||||
// #endif
|
||||
|
||||
// assert((buf_end - buf) >= VERM_BOUNDARY);
|
||||
// size_t min = (size_t)buf_end % VERM_BOUNDARY;
|
||||
// if (min) {
|
||||
// // input not aligned, so we need to run one iteration with an unaligned
|
||||
// // load, then skip buf forward to the next aligned address. There's
|
||||
// // some small overlap here, but we don't mind scanning it twice if we
|
||||
// // can do it quickly, do we?
|
||||
// const u8 *ptr = nocase ? rdvermPreconditionNocase(chars1, chars2,
|
||||
// buf_end - VERM_BOUNDARY)
|
||||
// : rdvermPrecondition(chars1, chars2,
|
||||
// buf_end - VERM_BOUNDARY);
|
||||
|
||||
// if (ptr) {
|
||||
// return ptr;
|
||||
// }
|
||||
|
||||
// buf_end -= min;
|
||||
// if (buf >= buf_end) {
|
||||
// return buf_end;
|
||||
// }
|
||||
// }
|
||||
|
||||
// // Aligned loops from here on in
|
||||
// if (nocase) {
|
||||
// return rdvermSearchAlignedNocase(chars1, chars2, c1, c2, buf, buf_end);
|
||||
// } else {
|
||||
// return rdvermSearchAligned(chars1, chars2, c1, c2, buf, buf_end);
|
||||
// }
|
||||
// }
|
||||
|
||||
extern "C" const u8 *vermicelliExec(char c, char nocase, const u8 *buf, const u8 *buf_end) {
|
||||
DEBUG_PRINTF("verm scan %s\\x%02hhx over %zu bytes\n",
|
||||
nocase ? "nocase " : "", c, (size_t)(buf_end - buf));
|
||||
assert(buf < buf_end);
|
||||
|
||||
const SuperVector<VECTORSIZE> chars = SuperVector<VECTORSIZE>::dup_u8(c);
|
||||
const SuperVector<VECTORSIZE> casemask{nocase ? getCaseMask<VECTORSIZE>() : SuperVector<VECTORSIZE>::Ones()};
|
||||
|
||||
return vermicelliExecReal<VECTORSIZE>(chars, casemask, buf, buf_end);
|
||||
}
|
||||
|
||||
/* like vermicelliExec except returns the address of the first character which
|
||||
* is not c */
|
||||
extern "C" const u8 *nvermicelliExec(char c, char nocase, const u8 *buf, const u8 *buf_end) {
|
||||
DEBUG_PRINTF("nverm scan %s\\x%02hhx over %zu bytes\n",
|
||||
nocase ? "nocase " : "", c, (size_t)(buf_end - buf));
|
||||
assert(buf < buf_end);
|
||||
|
||||
const SuperVector<VECTORSIZE> chars = SuperVector<VECTORSIZE>::dup_u8(c);
|
||||
const SuperVector<VECTORSIZE> casemask{nocase ? getCaseMask<VECTORSIZE>() : SuperVector<VECTORSIZE>::Ones()};
|
||||
|
||||
return nvermicelliExecReal<VECTORSIZE>(chars, casemask, buf, buf_end);
|
||||
}
|
||||
|
||||
extern "C" const u8 *rvermicelliExec(char c, char nocase, const u8 *buf, const u8 *buf_end) {
|
||||
DEBUG_PRINTF("rev verm scan %s\\x%02hhx over %zu bytes\n",
|
||||
nocase ? "nocase " : "", c, (size_t)(buf_end - buf));
|
||||
assert(buf < buf_end);
|
||||
|
||||
const SuperVector<VECTORSIZE> chars = SuperVector<VECTORSIZE>::dup_u8(c);
|
||||
const SuperVector<VECTORSIZE> casemask{nocase ? getCaseMask<VECTORSIZE>() : SuperVector<VECTORSIZE>::Ones()};
|
||||
|
||||
return rvermicelliExecReal<VECTORSIZE>(chars, casemask, buf, buf_end);
|
||||
}
|
||||
|
||||
extern "C" const u8 *rnvermicelliExec(char c, char nocase, const u8 *buf, const u8 *buf_end) {
|
||||
DEBUG_PRINTF("rev verm scan %s\\x%02hhx over %zu bytes\n",
|
||||
nocase ? "nocase " : "", c, (size_t)(buf_end - buf));
|
||||
assert(buf < buf_end);
|
||||
|
||||
const SuperVector<VECTORSIZE> chars = SuperVector<VECTORSIZE>::dup_u8(c);
|
||||
const SuperVector<VECTORSIZE> casemask{nocase ? getCaseMask<VECTORSIZE>() : SuperVector<VECTORSIZE>::Ones()};
|
||||
|
||||
return rnvermicelliExecReal<VECTORSIZE>(chars, casemask, buf, buf_end);
|
||||
}
|
||||
|
||||
extern "C" const u8 *vermicelliDoubleExec(char c1, char c2, char nocase, const u8 *buf, const u8 *buf_end) {
|
||||
DEBUG_PRINTF("double verm scan %s\\x%02hhx%02hhx over %zu bytes\n",
|
||||
nocase ? "nocase " : "", c1, c2, (size_t)(buf_end - buf));
|
||||
assert(buf < buf_end);
|
||||
|
||||
const SuperVector<VECTORSIZE> casemask{nocase ? getCaseMask<VECTORSIZE>() : SuperVector<VECTORSIZE>::Ones()};
|
||||
|
||||
return vermicelliDoubleExecReal<VECTORSIZE>(c1, c2, casemask, buf, buf_end);
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user