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/***********************************************************************
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:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of Internet Society, IETF or IETF Trust, nor the
names of specific contributors, may be used to endorse or promote
products derived from this software without specific prior written
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)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
#ifndef SILK_MACROS_H
#define SILK_MACROS_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "opus_types.h"
#include "opus_defines.h"
#include "arch.h"
#if OPUS_GNUC_PREREQ(3, 0)
#define opus_likely(x) (__builtin_expect(!!(x), 1))
#define opus_unlikely(x) (__builtin_expect(!!(x), 0))
#else
#define opus_likely(x) (!!(x))
#define opus_unlikely(x) (!!(x))
#endif
/* This is an OPUS_INLINE header file for general platform. */
/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */
#if OPUS_FAST_INT64
#define silk_SMULWB(a32, b32) ((opus_int32)(((a32) * (opus_int64)((opus_int16)(b32))) >> 16))
#else
#define silk_SMULWB(a32, b32) ((((a32) >> 16) * (opus_int32)((opus_int16)(b32))) + ((((a32) & 0x0000FFFF) * (opus_int32)((opus_int16)(b32))) >> 16))
#endif
/* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */
#if OPUS_FAST_INT64
#define silk_SMLAWB(a32, b32, c32) ((opus_int32)((a32) + (((b32) * (opus_int64)((opus_int16)(c32))) >> 16)))
#else
#define silk_SMLAWB(a32, b32, c32) ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16)))
#endif
/* (a32 * (b32 >> 16)) >> 16 */
#if OPUS_FAST_INT64
#define silk_SMULWT(a32, b32) ((opus_int32)(((a32) * (opus_int64)((b32) >> 16)) >> 16))
#else
#define silk_SMULWT(a32, b32) (((a32) >> 16) * ((b32) >> 16) + ((((a32) & 0x0000FFFF) * ((b32) >> 16)) >> 16))
#endif
/* a32 + (b32 * (c32 >> 16)) >> 16 */
#if OPUS_FAST_INT64
#define silk_SMLAWT(a32, b32, c32) ((opus_int32)((a32) + (((b32) * ((opus_int64)(c32) >> 16)) >> 16)))
#else
#define silk_SMLAWT(a32, b32, c32) ((a32) + (((b32) >> 16) * ((c32) >> 16)) + ((((b32) & 0x0000FFFF) * ((c32) >> 16)) >> 16))
#endif
/* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */
#define silk_SMULBB(a32, b32) ((opus_int32)((opus_int16)(a32)) * (opus_int32)((opus_int16)(b32)))
/* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */
#define silk_SMLABB(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32)))
/* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */
#define silk_SMULBT(a32, b32) ((opus_int32)((opus_int16)(a32)) * ((b32) >> 16))
/* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */
#define silk_SMLABT(a32, b32, c32) ((a32) + ((opus_int32)((opus_int16)(b32))) * ((c32) >> 16))
/* a64 + (b32 * c32) */
#define silk_SMLAL(a64, b32, c32) (silk_ADD64((a64), ((opus_int64)(b32) * (opus_int64)(c32))))
/* (a32 * b32) >> 16 */
#if OPUS_FAST_INT64
#define silk_SMULWW(a32, b32) ((opus_int32)(((opus_int64)(a32) * (b32)) >> 16))
#else
#define silk_SMULWW(a32, b32) silk_MLA(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16))
#endif
/* a32 + ((b32 * c32) >> 16) */
#if OPUS_FAST_INT64
#define silk_SMLAWW(a32, b32, c32) ((opus_int32)((a32) + (((opus_int64)(b32) * (c32)) >> 16)))
#else
#define silk_SMLAWW(a32, b32, c32) silk_MLA(silk_SMLAWB((a32), (b32), (c32)), (b32), silk_RSHIFT_ROUND((c32), 16))
#endif
/* add/subtract with output saturated */
#define silk_ADD_SAT32(a, b) ((((opus_uint32)(a) + (opus_uint32)(b)) & 0x80000000) == 0 ? \
((((a) & (b)) & 0x80000000) != 0 ? silk_int32_MIN : (a)+(b)) : \
((((a) | (b)) & 0x80000000) == 0 ? silk_int32_MAX : (a)+(b)) )
#define silk_SUB_SAT32(a, b) ((((opus_uint32)(a)-(opus_uint32)(b)) & 0x80000000) == 0 ? \
(( (a) & ((b)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a)-(b)) : \
((((a)^0x80000000) & (b) & 0x80000000) ? silk_int32_MAX : (a)-(b)) )
#if defined(MIPSr1_ASM)
#include "mips/macros_mipsr1.h"
#endif
#include "ecintrin.h"
#ifndef OVERRIDE_silk_CLZ16
static OPUS_INLINE opus_int32 silk_CLZ16(opus_int16 in16)
{
return 32 - EC_ILOG(in16<<16|0x8000);
}
#endif
#ifndef OVERRIDE_silk_CLZ32
static OPUS_INLINE opus_int32 silk_CLZ32(opus_int32 in32)
{
return in32 ? 32 - EC_ILOG(in32) : 32;
}
#endif
/* Row based */
#define matrix_ptr(Matrix_base_adr, row, column, N) \
(*((Matrix_base_adr) + ((row)*(N)+(column))))
#define matrix_adr(Matrix_base_adr, row, column, N) \
((Matrix_base_adr) + ((row)*(N)+(column)))
/* Column based */
#ifndef matrix_c_ptr
# define matrix_c_ptr(Matrix_base_adr, row, column, M) \
(*((Matrix_base_adr) + ((row)+(M)*(column))))
#endif
#ifdef OPUS_ARM_INLINE_ASM
#include "arm/macros_armv4.h"
#endif
#ifdef OPUS_ARM_INLINE_EDSP
#include "arm/macros_armv5e.h"
#endif
#ifdef OPUS_ARM_PRESUME_AARCH64_NEON_INTR
#include "arm/macros_arm64.h"
#endif
#endif /* SILK_MACROS_H */
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