annotate src/opus-1.3/silk/macros.h @ 83:ae30d91d2ffe

Replace these with versions built using an older toolset (so as to avoid ABI compatibilities when linking on Ubuntu 14.04 for packaging purposes)

/***********************************************************************
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are met:
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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
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***********************************************************************/

#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"

/* 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 */