516f7fbd6c
Speeds up decoding a 16kbps test file by 4.9MHz on h300. Change-Id: I8c25431c98dfa9a1c3806a84055e0847eb77a9f1
50 lines
2.3 KiB
C
50 lines
2.3 KiB
C
/***********************************************************************
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Copyright (C) 2013 Xiph.Org Foundation and contributors.
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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_MACROS_CF_H
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#define SILK_MACROS_CF_H
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/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */
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#undef silk_SMULWB
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static inline int32_t silk_SMULWB_cf(int32_t a, int16_t b)
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{
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int32_t r;
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asm volatile ("mac.l %[a], %[b], %%acc0;"
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"movclr.l %%acc0, %[r];"
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: [r] "=r" (r)
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: [a] "r" (a), [b] "r" (b<<15)
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: "cc");
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return r;
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}
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#define silk_SMULWB(a, b) (silk_SMULWB_cf(a, b))
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/* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */
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#undef silk_SMLAWB
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#define silk_SMLAWB(a, b, c) ((a) + silk_SMULWB(b, c))
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#endif /* SILK_MACROS_CF_H */
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