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1 /*
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2 * Copyright (c) 2003, 2007-14 Matteo Frigo
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3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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4 *
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5 * This program is free software; you can redistribute it and/or modify
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6 * it under the terms of the GNU General Public License as published by
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7 * the Free Software Foundation; either version 2 of the License, or
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8 * (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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18 *
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19 */
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20
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21
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22 #include "ifftw.h"
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23 #include "simd-common.h"
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24
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25 #if HAVE_SIMD
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26
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27 R *X(taint)(R *p, INT s)
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28 {
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29 if (((unsigned)s * sizeof(R)) % ALIGNMENT)
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30 p = (R *) (PTRINT(p) | TAINT_BIT);
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31 if (((unsigned)s * sizeof(R)) % ALIGNMENTA)
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32 p = (R *) (PTRINT(p) | TAINT_BITA);
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33 return p;
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34 }
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35
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36 /* join the taint of two pointers that are supposed to be
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37 the same modulo the taint */
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38 R *X(join_taint)(R *p1, R *p2)
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39 {
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40 A(UNTAINT(p1) == UNTAINT(p2));
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41 return (R *)(PTRINT(p1) | PTRINT(p2));
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42 }
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43 #endif
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