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SigProc_FIX_armv4.h
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/***********************************************************************
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Copyright (C) 2013 Xiph.Org Foundation and contributors
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Copyright (c) 2013 Parrot
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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
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are met:
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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 Internet Society, IETF or IETF Trust, nor the
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names of specific contributors, may be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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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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#ifndef SILK_SIGPROC_FIX_ARMv4_H
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#define SILK_SIGPROC_FIX_ARMv4_H
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#undef silk_MLA
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static
OPUS_INLINE opus_int32 silk_MLA_armv4(opus_int32 a, opus_int32 b,
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opus_int32 c)
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{
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opus_int32 res;
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#if defined( __CC_ARM )
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__asm{ MLA res, b, c, a }
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#elif defined( __ICCARM__ )
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__asm(
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"mla %0, %1, %2, %3\n\t"
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:
"=&r"
(res)
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:
"r"
(b),
"r"
(c),
"r"
(a)
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);
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#else
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__asm__(
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"#silk_MLA\n\t"
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"mla %0, %1, %2, %3\n\t"
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:
"=&r"
(res)
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:
"r"
(b),
"r"
(c),
"r"
(a)
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);
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#endif
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return
res;
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}
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#define silk_MLA(a, b, c) (silk_MLA_armv4(a, b, c))
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#endif
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