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path: root/contrib/libs/hyperscan/src/util/masked_move.c
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/* 
 * Copyright (c) 2015-2017, 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. 
 */ 
 
 
#include "ue2common.h" 
#include "masked_move.h" 
#include "util/arch.h"
 
#if defined(HAVE_AVX2)
/* masks for masked moves */ 
 
/* magic mask for maskload (vmmaskmovq) - described in UE-2424 */ 
const ALIGN_CL_DIRECTIVE u32 mm_mask_mask[16] = {
    0x00000000U, 
    0x00000000U, 
    0x00000000U, 
    0x00000000U, 
    0x00000000U, 
    0x00000000U, 
    0x00000000U, 
    0x00000000U, 
    0xff000000U, 
    0xfe000000U, 
    0xfc000000U, 
    0xf8000000U, 
    0xf0000000U, 
    0xe0000000U, 
    0xc0000000U, 
    0x80000000U, 
}; 
 
const u32 mm_shuffle_end[32][8] = { 
    { 0x03020100U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x02010080U, 0x80808003U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x01008080U, 0x80800302U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x00808080U, 0x80030201U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x03020100U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x02010080U, 0x80808003U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x01008080U, 0x80800302U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x00808080U, 0x80030201U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x03020100U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x02010080U, 0x80808003U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x01008080U, 0x80800302U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x00808080U, 0x80030201U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x03020100U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x02010080U, 0x80808003U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x01008080U, 0x80800302U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x00808080U, 0x80030201U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x03020100U, 0x80808080U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x02010080U, 0x80808003U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x01008080U, 0x80800302U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x00808080U, 0x80030201U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x03020100U, 0x80808080U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x02010080U, 0x80808003U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x01008080U, 0x80800302U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x00808080U, 0x80030201U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x03020100U, 0x80808080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x02010080U, 0x80808003U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x01008080U, 0x80800302U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x00808080U, 0x80030201U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x03020100U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x02010080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x01008080U, }, 
    { 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x80808080U, 0x00808080U, }, 
}; 
#endif // AVX2