godot/thirdparty/opus/silk/mips/sigproc_fix_mipsr1.h

66 lines
2.2 KiB
C++

/***********************************************************************
Copyright (c) 2006-2011, Skype Limited. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
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this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
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- Neither the name of Internet Society, IETF or IETF Trust, nor the
names of specific contributors, may be used to endorse or promote
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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)
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***********************************************************************/
#ifndef SILK_SIGPROC_FIX_MIPSR1_H
#define SILK_SIGPROC_FIX_MIPSR1_H
#ifdef __cplusplus
extern "C"
{
#endif
#undef silk_SAT16
static inline short int silk_SAT16(int a)
{
int c;
c = __builtin_mips_shll_s_w(a, 16);
c = c>>16;
return c;
}
#undef silk_LSHIFT_SAT32
static inline int silk_LSHIFT_SAT32(int a, int shift)
{
int r;
r = __builtin_mips_shll_s_w(a, shift);
return r;
}
#undef silk_RSHIFT_ROUND
static inline int silk_RSHIFT_ROUND(int a, int shift)
{
int r;
r = __builtin_mips_shra_r_w(a, shift);
return r;
}
#endif /* SILK_SIGPROC_FIX_MIPSR1_H */