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/*
* Copyright (c) 2015-2017, Intel Corporation
* Copyright (c) 2020, 2021, VectorCamp PC
* Copyright (c) 2023, 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
* 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 Truffle: character class acceleration.
*/
#include "truffle.h"
#include "ue2common.h"
#include "util/arch.h"
#include "util/bitutils.h"
#include "truffle_simd.hpp"
#ifdef CAN_USE_WIDE_TRUFFLE
#ifdef HAVE_SVE
const u8 *truffleExecWide(m256 mask, const u8 *buf,
const u8 *buf_end) {
if (svcntb() == 16) {
return truffleExecSVE<true, true>(mask, buf, buf_end);
} else {
return truffleExecSVE<true, false>(mask, buf, buf_end);
}
}
const u8 *rtruffleExecWide(m256 mask, const u8 *buf,
const u8 *buf_end) {
if (svcntb() == 16) {
return rtruffleExecSVE<true, true>(mask, buf, buf_end);
} else {
return rtruffleExecSVE<true, false>(mask, buf, buf_end);
}
}
#else // HAVE_SVE
#error "Wide truffle enabled for the target architecture but no implementation found"
#endif // HAVE_SVE
#endif // CAN_USE_WIDE_TRUFFLE
#ifdef HAVE_SVE
const u8 *truffleExec(m128 mask_lo, m128 mask_hi, const u8 *buf,
const u8 *buf_end) {
if (svcntb() == 16) {
return truffleExecSVE<false, true>({.lo = mask_lo, .hi = mask_hi}, buf, buf_end);
} else {
return truffleExecSVE<false, false>({.lo = mask_lo, .hi = mask_hi}, buf, buf_end);
}
}
const u8 *rtruffleExec(m128 mask_lo, m128 mask_hi, const u8 *buf,
const u8 *buf_end) {
if (svcntb() == 16) {
return rtruffleExecSVE<false, true>({.lo = mask_lo, .hi = mask_hi}, buf, buf_end);
} else {
return rtruffleExecSVE<false, false>({.lo = mask_lo, .hi = mask_hi}, buf, buf_end);
}
}
#else
const u8 *truffleExec(m128 mask_lo, m128 mask_hi, const u8 *buf,
const u8 *buf_end) {
return truffleExecReal<VECTORSIZE>(mask_lo, mask_hi, buf, buf_end);
}
const u8 *rtruffleExec(m128 mask_lo, m128 mask_hi, const u8 *buf,
const u8 *buf_end) {
return rtruffleExecReal<VECTORSIZE>(mask_lo, mask_hi, buf, buf_end);
}
#endif //HAVE_SVE