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1 /***********************************************************************
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2 Copyright (C) 2013 Xiph.Org Foundation and contributors
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3 Copyright (c) 2013 Parrot
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4 Redistribution and use in source and binary forms, with or without
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5 modification, are permitted provided that the following conditions
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6 are met:
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7 - Redistributions of source code must retain the above copyright notice,
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8 this list of conditions and the following disclaimer.
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9 - Redistributions in binary form must reproduce the above copyright
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10 notice, this list of conditions and the following disclaimer in the
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11 documentation and/or other materials provided with the distribution.
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12 - Neither the name of Internet Society, IETF or IETF Trust, nor the
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13 names of specific contributors, may be used to endorse or promote
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14 products derived from this software without specific prior written
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15 permission.
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16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 POSSIBILITY OF SUCH DAMAGE.
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27 ***********************************************************************/
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28
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29 #ifndef SILK_SIGPROC_FIX_ARMv4_H
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30 #define SILK_SIGPROC_FIX_ARMv4_H
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31
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32 #undef silk_MLA
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33 static OPUS_INLINE opus_int32 silk_MLA_armv4(opus_int32 a, opus_int32 b,
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34 opus_int32 c)
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35 {
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36 opus_int32 res;
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37 __asm__(
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38 "#silk_MLA\n\t"
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39 "mla %0, %1, %2, %3\n\t"
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40 : "=&r"(res)
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41 : "r"(b), "r"(c), "r"(a)
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42 );
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43 return res;
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44 }
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45 #define silk_MLA(a, b, c) (silk_MLA_armv4(a, b, c))
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46
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47 #endif
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