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2Copyright (c) 2006-2011, Skype Limited. All rights reserved.
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4modification, are permitted provided that the following conditions
5are met:
6- Redistributions of source code must retain the above copyright notice,
7this list of conditions and the following disclaimer.
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9notice, this list of conditions and the following disclaimer in the
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14permission.
15THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26***********************************************************************/
27
28#ifndef SILK_MACROS_H
29#define SILK_MACROS_H
30
31#ifdef HAVE_CONFIG_H
32#include "config.h"
33#endif
34
35#include "opus_types.h"
36#include "opus_defines.h"
37
38/* This is an OPUS_INLINE header file for general platform. */
39
40/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */
41#define silk_SMULWB(a32, b32)            ((((a32) >> 16) * (opus_int32)((opus_int16)(b32))) + ((((a32) & 0x0000FFFF) * (opus_int32)((opus_int16)(b32))) >> 16))
42
43/* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */
44#define silk_SMLAWB(a32, b32, c32)       ((a32) + ((((b32) >> 16) * (opus_int32)((opus_int16)(c32))) + ((((b32) & 0x0000FFFF) * (opus_int32)((opus_int16)(c32))) >> 16)))
45
46/* (a32 * (b32 >> 16)) >> 16 */
47#define silk_SMULWT(a32, b32)            (((a32) >> 16) * ((b32) >> 16) + ((((a32) & 0x0000FFFF) * ((b32) >> 16)) >> 16))
48
49/* a32 + (b32 * (c32 >> 16)) >> 16 */
50#define silk_SMLAWT(a32, b32, c32)       ((a32) + (((b32) >> 16) * ((c32) >> 16)) + ((((b32) & 0x0000FFFF) * ((c32) >> 16)) >> 16))
51
52/* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */
53#define silk_SMULBB(a32, b32)            ((opus_int32)((opus_int16)(a32)) * (opus_int32)((opus_int16)(b32)))
54
55/* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */
56#define silk_SMLABB(a32, b32, c32)       ((a32) + ((opus_int32)((opus_int16)(b32))) * (opus_int32)((opus_int16)(c32)))
57
58/* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */
59#define silk_SMULBT(a32, b32)            ((opus_int32)((opus_int16)(a32)) * ((b32) >> 16))
60
61/* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */
62#define silk_SMLABT(a32, b32, c32)       ((a32) + ((opus_int32)((opus_int16)(b32))) * ((c32) >> 16))
63
64/* a64 + (b32 * c32) */
65#define silk_SMLAL(a64, b32, c32)        (silk_ADD64((a64), ((opus_int64)(b32) * (opus_int64)(c32))))
66
67/* (a32 * b32) >> 16 */
68#define silk_SMULWW(a32, b32)            silk_MLA(silk_SMULWB((a32), (b32)), (a32), silk_RSHIFT_ROUND((b32), 16))
69
70/* a32 + ((b32 * c32) >> 16) */
71#define silk_SMLAWW(a32, b32, c32)       silk_MLA(silk_SMLAWB((a32), (b32), (c32)), (b32), silk_RSHIFT_ROUND((c32), 16))
72
73/* add/subtract with output saturated */
74#define silk_ADD_SAT32(a, b)             ((((opus_uint32)(a) + (opus_uint32)(b)) & 0x80000000) == 0 ?                              \
75                                        ((((a) & (b)) & 0x80000000) != 0 ? silk_int32_MIN : (a)+(b)) :   \
76                                        ((((a) | (b)) & 0x80000000) == 0 ? silk_int32_MAX : (a)+(b)) )
77
78#define silk_SUB_SAT32(a, b)             ((((opus_uint32)(a)-(opus_uint32)(b)) & 0x80000000) == 0 ?                                        \
79                                        (( (a) & ((b)^0x80000000) & 0x80000000) ? silk_int32_MIN : (a)-(b)) :    \
80                                        ((((a)^0x80000000) & (b)  & 0x80000000) ? silk_int32_MAX : (a)-(b)) )
81
82#include "ecintrin.h"
83
84static OPUS_INLINE opus_int32 silk_CLZ16(opus_int16 in16)
85{
86    return 32 - EC_ILOG(in16<<16|0x8000);
87}
88
89static OPUS_INLINE opus_int32 silk_CLZ32(opus_int32 in32)
90{
91    return in32 ? 32 - EC_ILOG(in32) : 32;
92}
93
94/* Row based */
95#define matrix_ptr(Matrix_base_adr, row, column, N) \
96    (*((Matrix_base_adr) + ((row)*(N)+(column))))
97#define matrix_adr(Matrix_base_adr, row, column, N) \
98      ((Matrix_base_adr) + ((row)*(N)+(column)))
99
100/* Column based */
101#ifndef matrix_c_ptr
102#   define matrix_c_ptr(Matrix_base_adr, row, column, M) \
103    (*((Matrix_base_adr) + ((row)+(M)*(column))))
104#endif
105
106#ifdef OPUS_ARM_INLINE_ASM
107#include "arm/macros_armv4.h"
108#endif
109
110#ifdef OPUS_ARM_INLINE_EDSP
111#include "arm/macros_armv5e.h"
112#endif
113
114#endif /* SILK_MACROS_H */
115
116