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4 modification, are permitted provided that the following conditions
5 are met:
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9 notice, this list of conditions and the following disclaimer in the
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15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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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
silk_CLZ16(opus_int16 in16)84 static OPUS_INLINE opus_int32 silk_CLZ16(opus_int16 in16)
85 {
86 return 32 - EC_ILOG(in16<<16|0x8000);
87 }
88
silk_CLZ32(opus_int32 in32)89 static 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