/src/opus/celt/fixed_generic.h

Source
/* Copyright (C) 2007-2009 Xiph.Org Foundation
   Copyright (C) 2003-2008 Jean-Marc Valin
   Copyright (C) 2007-2008 CSIRO */
/**
   @file fixed_generic.h
   @brief Generic fixed-point operations
*/
/*
   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.

   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 FIXED_GENERIC_H
#define FIXED_GENERIC_H

/** Multiply a 16-bit signed value by a 16-bit unsigned value. The result is a 32-bit signed value */
#define MULT16_16SU(a,b) ((opus_val32)(opus_val16)(a)*(opus_val32)(opus_uint16)(b))

/** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
#if OPUS_FAST_INT64
#define MULT16_32_Q16(a,b) ((opus_val32)SHR((opus_int64)((opus_val16)(a))*(b),16))
#else
#define MULT16_32_Q16(a,b) ADD32(MULT16_16((a),SHR((b),16)), SHR(MULT16_16SU((a),((b)&0x0000ffff)),16))
#endif

/** 16x32 multiplication, followed by a 16-bit shift right (round-to-nearest). Results fits in 32 bits */
#if OPUS_FAST_INT64
#define MULT16_32_P16(a,b) ((opus_val32)PSHR((opus_int64)((opus_val16)(a))*(b),16))
#else
#define MULT16_32_P16(a,b) ADD32(MULT16_16((a),SHR((b),16)), PSHR(MULT16_16SU((a),((b)&0x0000ffff)),16))
#endif

/** 16x32 multiplication, followed by a 15-bit shift right. Results fits in 32 bits */
#if OPUS_FAST_INT64
#define MULT16_32_Q15(a,b) ((opus_val32)SHR((opus_int64)((opus_val16)(a))*(b),15))
#else
#define MULT16_32_Q15(a,b) ADD32(SHL(MULT16_16((a),SHR((b),16)),1), SHR(MULT16_16SU((a),((b)&0x0000ffff)),15))
#endif

/** 32x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
#if OPUS_FAST_INT64
#define MULT32_32_Q16(a,b) ((opus_val32)SHR((opus_int64)(a)*(opus_int64)(b),16))
#else
#define MULT32_32_Q16(a,b) (ADD32(ADD32(ADD32((opus_val32)(SHR32(((opus_uint32)((a)&0x0000ffff)*(opus_uint32)((b)&0x0000ffff)),16)), MULT16_16SU(SHR32(a,16),((b)&0x0000ffff))), MULT16_16SU(SHR32(b,16),((a)&0x0000ffff))), SHL32(MULT16_16(SHR32(a,16),SHR32(b,16)),16)))
#endif

/** 32x32 multiplication, followed by a 31-bit shift right. Results fits in 32 bits */
#if OPUS_FAST_INT64
#define MULT32_32_Q31(a,b) ((opus_val32)SHR((opus_int64)(a)*(opus_int64)(b),31))
#else
#define MULT32_32_Q31(a,b) ADD32(ADD32(SHL(MULT16_16(SHR((a),16),SHR((b),16)),1), SHR(MULT16_16SU(SHR((a),16),((b)&0x0000ffff)),15)), SHR(MULT16_16SU(SHR((b),16),((a)&0x0000ffff)),15))
#endif

/** 32x32 multiplication, followed by a 31-bit shift right (with rounding). Results fits in 32 bits */
#if OPUS_FAST_INT64
#define MULT32_32_P31(a,b) ((opus_val32)SHR(1073741824+(opus_int64)(a)*(opus_int64)(b),31))
#define MULT32_32_P31_ovflw(a,b) MULT32_32_P31(a,b)
#else
#define MULT16_16U(a,b) ((opus_uint32)(a)*(opus_uint32)(b))
#define MULT32_32_P31(a,b) ADD32(SHL(MULT16_16(SHR((a),16),SHR((b),16)),1), SHR32(128+(opus_int32)SHR(MULT16_16U(((a)&0x0000ffff),((b)&0x0000ffff)),16+7) + SHR32(MULT16_16SU(SHR((a),16),((b)&0x0000ffff)),7) + SHR32(MULT16_16SU(SHR((b),16),((a)&0x0000ffff)),7), 8) )
#define MULT32_32_P31_ovflw(a,b) ADD32_ovflw(SHL(MULT16_16(SHR((a),16),SHR((b),16)),1), SHR32(128+(opus_int32)SHR(MULT16_16U(((a)&0x0000ffff),((b)&0x0000ffff)),16+7) + SHR32(MULT16_16SU(SHR((a),16),((b)&0x0000ffff)),7) + SHR32(MULT16_16SU(SHR((b),16),((a)&0x0000ffff)),7), 8) )
#endif

/** 32x32 multiplication, followed by a 32-bit shift right. Results fits in 32 bits */
#if OPUS_FAST_INT64
#define MULT32_32_Q32(a,b) ((opus_val32)SHR((opus_int64)(a)*(opus_int64)(b),32))
#else
#define MULT32_32_Q32(a,b) ADD32(ADD32(MULT16_16(SHR((a),16),SHR((b),16)), SHR(MULT16_16SU(SHR((a),16),((b)&0x0000ffff)),16)), SHR(MULT16_16SU(SHR((b),16),((a)&0x0000ffff)),16))
#endif

/** Compile-time conversion of float constant to 16-bit value */
#define QCONST16(x,bits) ((opus_val16)(.5+(x)*(((opus_val32)1)<<(bits))))

/** Compile-time conversion of float constant to 32-bit value */
#define QCONST32(x,bits) ((opus_val32)(.5+(x)*(((opus_int64)1)<<(bits))))

/** Compile-time conversion of float constant to log gain value */
#define GCONST2(x,bits) ((celt_glog)(.5+(x)*(((celt_glog)1)<<(bits))))

/** Compile-time conversion of float constant to DB_SHIFT log gain value */
#define GCONST(x) GCONST2((x),DB_SHIFT)

/** Negate a 16-bit value */
#define NEG16(x) (-(x))
/** Negate a 32-bit value */
#define NEG32(x) (-(x))

/** Change a 32-bit value into a 16-bit value. The value is assumed to fit in 16-bit, otherwise the result is undefined */
#define EXTRACT16(x) ((opus_val16)(x))
/** Change a 16-bit value into a 32-bit value */
#define EXTEND32(x) ((opus_val32)(x))

/** Arithmetic shift-right of a 16-bit value */
#define SHR16(a,shift) ((a) >> (shift))
/** Arithmetic shift-left of a 16-bit value */
#define SHL16(a,shift) ((opus_int16)((opus_uint16)(a)<<(shift)))
/** Arithmetic shift-right of a 32-bit value */
#define SHR32(a,shift) ((a) >> (shift))
/** Arithmetic shift-left of a 32-bit value */
#define SHL32(a,shift) ((opus_int32)((opus_uint32)(a)<<(shift)))

/** 32-bit arithmetic shift right with rounding-to-nearest instead of rounding down */
#define PSHR32(a,shift) (SHR32((a)+((EXTEND32(1)<<((shift))>>1)),shift))
/** 32-bit arithmetic shift right where the argument can be negative */
#define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))

/** Arithmetic shift-right of a 64-bit value */
#define SHR64(a,shift) ((a) >> (shift))

/** "RAW" macros, should not be used outside of this header file */
#define SHR(a,shift) ((a) >> (shift))
#define SHL(a,shift) SHL32(a,shift)
#define PSHR(a,shift) (SHR((a)+((EXTEND32(1)<<((shift))>>1)),shift))
#define SATURATE(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))

#define SATURATE16(x) (EXTRACT16((x)>32767 ? 32767 : (x)<-32768 ? -32768 : (x)))

/** Shift by a and round-to-nearest 32-bit value. Result is a 16-bit value */
#define ROUND16(x,a) (EXTRACT16(PSHR32((x),(a))))
/** Shift by a and round-to-nearest 32-bit value. Result is a saturated 16-bit value */
#define SROUND16(x,a) EXTRACT16(SATURATE(PSHR32(x,a), 32767));

/** Divide by two */
#define HALF16(x)  (SHR16(x,1))
#define HALF32(x)  (SHR32(x,1))

/** Add two 16-bit values */
#define ADD16(a,b) ((opus_val16)((opus_val16)(a)+(opus_val16)(b)))
/** Subtract two 16-bit values */
#define SUB16(a,b) ((opus_val16)(a)-(opus_val16)(b))
/** Add two 32-bit values */
#define ADD32(a,b) ((opus_val32)(a)+(opus_val32)(b))
/** Subtract two 32-bit values */
#define SUB32(a,b) ((opus_val32)(a)-(opus_val32)(b))

/** Add two 32-bit values, ignore any overflows */
#define ADD32_ovflw(a,b) ((opus_val32)((opus_uint32)(a)+(opus_uint32)(b)))
/** Subtract two 32-bit values, ignore any overflows */
#define SUB32_ovflw(a,b) ((opus_val32)((opus_uint32)(a)-(opus_uint32)(b)))
/* Avoid MSVC warning C4146: unary minus operator applied to unsigned type */
/** Negate 32-bit value, ignore any overflows */
#define NEG32_ovflw(a) ((opus_val32)(0-(opus_uint32)(a)))
/** 32-bit shift left, ignoring overflows */
#define SHL32_ovflw(a,shift) SHL32(a,shift)
/** 32-bit arithmetic shift right with rounding-to-nearest, ignoring overflows */
#define PSHR32_ovflw(a,shift) (SHR32(ADD32_ovflw(a, (EXTEND32(1)<<(shift)>>1)),shift))

/** 16x16 multiplication where the result fits in 16 bits */
#define MULT16_16_16(a,b)     ((((opus_val16)(a))*((opus_val16)(b))))

/** 32x32 multiplication where the result fits in 32 bits */
#define MULT32_32_32(a,b)     ((((opus_val32)(a))*((opus_val32)(b))))

/* (opus_val32)(opus_val16) gives TI compiler a hint that it's 16x16->32 multiply */
/** 16x16 multiplication where the result fits in 32 bits */
#define MULT16_16(a,b)     (((opus_val32)(opus_val16)(a))*((opus_val32)(opus_val16)(b)))

/** 16x16 multiply-add where the result fits in 32 bits */
#define MAC16_16(c,a,b) (ADD32((c),MULT16_16((a),(b))))
/** 16x32 multiply, followed by a 15-bit shift right and 32-bit add.
    b must fit in 31 bits.
    Result fits in 32 bits. */
#define MAC16_32_Q15(c,a,b) ADD32((c),ADD32(MULT16_16((a),SHR((b),15)), SHR(MULT16_16((a),((b)&0x00007fff)),15)))

/** 16x32 multiplication, followed by a 16-bit shift right and 32-bit add.
    Results fits in 32 bits */
#define MAC16_32_Q16(c,a,b) ADD32((c),ADD32(MULT16_16((a),SHR((b),16)), SHR(MULT16_16SU((a),((b)&0x0000ffff)),16)))

#define MULT16_16_Q11_32(a,b) (SHR(MULT16_16((a),(b)),11))
#define MULT16_16_Q11(a,b) (SHR(MULT16_16((a),(b)),11))
#define MULT16_16_Q13(a,b) (SHR(MULT16_16((a),(b)),13))
#define MULT16_16_Q14(a,b) (SHR(MULT16_16((a),(b)),14))
#define MULT16_16_Q15(a,b) (SHR(MULT16_16((a),(b)),15))

#define MULT16_16_P13(a,b) (SHR(ADD32(4096,MULT16_16((a),(b))),13))
#define MULT16_16_P14(a,b) (SHR(ADD32(8192,MULT16_16((a),(b))),14))
#define MULT16_16_P15(a,b) (SHR(ADD32(16384,MULT16_16((a),(b))),15))

/** Divide a 32-bit value by a 16-bit value. Result fits in 16 bits */
#define DIV32_16(a,b) ((opus_val16)(((opus_val32)(a))/((opus_val16)(b))))

/** Divide a 32-bit value by a 32-bit value. Result fits in 32 bits */
#define DIV32(a,b) (((opus_val32)(a))/((opus_val32)(b)))

#if defined(__mips)
#include "mips/fixed_generic_mipsr1.h"
#endif

static OPUS_INLINE opus_val16 SIG2WORD16_generic(celt_sig x)
{
   x = PSHR32(x, SIG_SHIFT);
   x = MAX32(x, -32768);
   x = MIN32(x, 32767);
   return EXTRACT16(x);
}
#define SIG2WORD16(x) (SIG2WORD16_generic(x))

#endif

Coverage Report

Created: 2026-05-16 07:41

Line	Count	Source
1		/* Copyright (C) 2007-2009 Xiph.Org Foundation
2		Copyright (C) 2003-2008 Jean-Marc Valin
3		Copyright (C) 2007-2008 CSIRO */
4		/**
5		@file fixed_generic.h
6		@brief Generic fixed-point operations
7		*/
8		/*
9		Redistribution and use in source and binary forms, with or without
10		modification, are permitted provided that the following conditions
11		are met:
12
13		- Redistributions of source code must retain the above copyright
14		notice, this list of conditions and the following disclaimer.
15
16		- Redistributions in binary form must reproduce the above copyright
17		notice, this list of conditions and the following disclaimer in the
18		documentation and/or other materials provided with the distribution.
19
20		THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21		``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22		LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23		A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
24		OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25		EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26		PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27		PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28		LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29		NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30		SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31		*/
32
33		#ifndef FIXED_GENERIC_H
34		#define FIXED_GENERIC_H
35
36		/** Multiply a 16-bit signed value by a 16-bit unsigned value. The result is a 32-bit signed value */
37		#define MULT16_16SU(a,b) ((opus_val32)(opus_val16)(a)*(opus_val32)(opus_uint16)(b))
38
39		/** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
40		#if OPUS_FAST_INT64
41	55.1G	#define MULT16_32_Q16(a,b) ((opus_val32)SHR((opus_int64)((opus_val16)(a))*(b),16))
42		#else
43		#define MULT16_32_Q16(a,b) ADD32(MULT16_16((a),SHR((b),16)), SHR(MULT16_16SU((a),((b)&0x0000ffff)),16))
44		#endif
45
46		/** 16x32 multiplication, followed by a 16-bit shift right (round-to-nearest). Results fits in 32 bits */
47		#if OPUS_FAST_INT64
48		#define MULT16_32_P16(a,b) ((opus_val32)PSHR((opus_int64)((opus_val16)(a))*(b),16))
49		#else
50		#define MULT16_32_P16(a,b) ADD32(MULT16_16((a),SHR((b),16)), PSHR(MULT16_16SU((a),((b)&0x0000ffff)),16))
51		#endif
52
53		/** 16x32 multiplication, followed by a 15-bit shift right. Results fits in 32 bits */
54		#if OPUS_FAST_INT64
55	332G	#define MULT16_32_Q15(a,b) ((opus_val32)SHR((opus_int64)((opus_val16)(a))*(b),15))
56		#else
57		#define MULT16_32_Q15(a,b) ADD32(SHL(MULT16_16((a),SHR((b),16)),1), SHR(MULT16_16SU((a),((b)&0x0000ffff)),15))
58		#endif
59
60		/** 32x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
61		#if OPUS_FAST_INT64
62	0	#define MULT32_32_Q16(a,b) ((opus_val32)SHR((opus_int64)(a)*(opus_int64)(b),16))
63		#else
64		#define MULT32_32_Q16(a,b) (ADD32(ADD32(ADD32((opus_val32)(SHR32(((opus_uint32)((a)&0x0000ffff)*(opus_uint32)((b)&0x0000ffff)),16)), MULT16_16SU(SHR32(a,16),((b)&0x0000ffff))), MULT16_16SU(SHR32(b,16),((a)&0x0000ffff))), SHL32(MULT16_16(SHR32(a,16),SHR32(b,16)),16)))
65		#endif
66
67		/** 32x32 multiplication, followed by a 31-bit shift right. Results fits in 32 bits */
68		#if OPUS_FAST_INT64
69	44.1G	#define MULT32_32_Q31(a,b) ((opus_val32)SHR((opus_int64)(a)*(opus_int64)(b),31))
70		#else
71		#define MULT32_32_Q31(a,b) ADD32(ADD32(SHL(MULT16_16(SHR((a),16),SHR((b),16)),1), SHR(MULT16_16SU(SHR((a),16),((b)&0x0000ffff)),15)), SHR(MULT16_16SU(SHR((b),16),((a)&0x0000ffff)),15))
72		#endif
73
74		/** 32x32 multiplication, followed by a 31-bit shift right (with rounding). Results fits in 32 bits */
75		#if OPUS_FAST_INT64
76	263G	#define MULT32_32_P31(a,b) ((opus_val32)SHR(1073741824+(opus_int64)(a)*(opus_int64)(b),31))
77	263G	#define MULT32_32_P31_ovflw(a,b) MULT32_32_P31(a,b)
78		#else
79		#define MULT16_16U(a,b) ((opus_uint32)(a)*(opus_uint32)(b))
80		#define MULT32_32_P31(a,b) ADD32(SHL(MULT16_16(SHR((a),16),SHR((b),16)),1), SHR32(128+(opus_int32)SHR(MULT16_16U(((a)&0x0000ffff),((b)&0x0000ffff)),16+7) + SHR32(MULT16_16SU(SHR((a),16),((b)&0x0000ffff)),7) + SHR32(MULT16_16SU(SHR((b),16),((a)&0x0000ffff)),7), 8) )
81		#define MULT32_32_P31_ovflw(a,b) ADD32_ovflw(SHL(MULT16_16(SHR((a),16),SHR((b),16)),1), SHR32(128+(opus_int32)SHR(MULT16_16U(((a)&0x0000ffff),((b)&0x0000ffff)),16+7) + SHR32(MULT16_16SU(SHR((a),16),((b)&0x0000ffff)),7) + SHR32(MULT16_16SU(SHR((b),16),((a)&0x0000ffff)),7), 8) )
82		#endif
83
84		/** 32x32 multiplication, followed by a 32-bit shift right. Results fits in 32 bits */
85		#if OPUS_FAST_INT64
86		#define MULT32_32_Q32(a,b) ((opus_val32)SHR((opus_int64)(a)*(opus_int64)(b),32))
87		#else
88		#define MULT32_32_Q32(a,b) ADD32(ADD32(MULT16_16(SHR((a),16),SHR((b),16)), SHR(MULT16_16SU(SHR((a),16),((b)&0x0000ffff)),16)), SHR(MULT16_16SU(SHR((b),16),((a)&0x0000ffff)),16))
89		#endif
90
91		/** Compile-time conversion of float constant to 16-bit value */
92	12.7G	#define QCONST16(x,bits) ((opus_val16)(.5+(x)*(((opus_val32)1)<<(bits))))
93
94		/** Compile-time conversion of float constant to 32-bit value */
95	5.49G	#define QCONST32(x,bits) ((opus_val32)(.5+(x)*(((opus_int64)1)<<(bits))))
96
97		/** Compile-time conversion of float constant to log gain value */
98	19.8G	#define GCONST2(x,bits) ((celt_glog)(.5+(x)*(((celt_glog)1)<<(bits))))
99
100		/** Compile-time conversion of float constant to DB_SHIFT log gain value */
101	19.8G	#define GCONST(x) GCONST2((x),DB_SHIFT)
102
103		/** Negate a 16-bit value */
104	100M	#define NEG16(x) (-(x))
105		/** Negate a 32-bit value */
106		#define NEG32(x) (-(x))
107
108		/** Change a 32-bit value into a 16-bit value. The value is assumed to fit in 16-bit, otherwise the result is undefined */
109	204G	#define EXTRACT16(x) ((opus_val16)(x))
110		/** Change a 16-bit value into a 32-bit value */
111	42.5G	#define EXTEND32(x) ((opus_val32)(x))
112
113		/** Arithmetic shift-right of a 16-bit value */
114	340M	#define SHR16(a,shift) ((a) >> (shift))
115		/** Arithmetic shift-left of a 16-bit value */
116	51.8G	#define SHL16(a,shift) ((opus_int16)((opus_uint16)(a)<<(shift)))
117		/** Arithmetic shift-right of a 32-bit value */
118	760G	#define SHR32(a,shift) ((a) >> (shift))
119		/** Arithmetic shift-left of a 32-bit value */
120	306G	#define SHL32(a,shift) ((opus_int32)((opus_uint32)(a)<<(shift)))
121
122		/** 32-bit arithmetic shift right with rounding-to-nearest instead of rounding down */
123	511G	#define PSHR32(a,shift) (SHR32((a)+((EXTEND32(1)<<((shift))>>1)),shift))
124		/** 32-bit arithmetic shift right where the argument can be negative */
125	9.04G	#define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
126
127		/** Arithmetic shift-right of a 64-bit value */
128	3.15G	#define SHR64(a,shift) ((a) >> (shift))
129
130		/** "RAW" macros, should not be used outside of this header file */
131	710G	#define SHR(a,shift) ((a) >> (shift))
132		#define SHL(a,shift) SHL32(a,shift)
133		#define PSHR(a,shift) (SHR((a)+((EXTEND32(1)<<((shift))>>1)),shift))
134	19.6G	#define SATURATE(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
135
136	87.0k	#define SATURATE16(x) (EXTRACT16((x)>32767 ? 32767 : (x)<-32768 ? -32768 : (x)))
137
138		/** Shift by a and round-to-nearest 32-bit value. Result is a 16-bit value */
139	4.26G	#define ROUND16(x,a) (EXTRACT16(PSHR32((x),(a))))
140		/** Shift by a and round-to-nearest 32-bit value. Result is a saturated 16-bit value */
141	50.7G	#define SROUND16(x,a) EXTRACT16(SATURATE(PSHR32(x,a), 32767));
142
143		/** Divide by two */
144	34.2M	#define HALF16(x) (SHR16(x,1))
145	25.2G	#define HALF32(x) (SHR32(x,1))
146
147		/** Add two 16-bit values */
148	15.1G	#define ADD16(a,b) ((opus_val16)((opus_val16)(a)+(opus_val16)(b)))
149		/** Subtract two 16-bit values */
150	5.06G	#define SUB16(a,b) ((opus_val16)(a)-(opus_val16)(b))
151		/** Add two 32-bit values */
152	1.30T	#define ADD32(a,b) ((opus_val32)(a)+(opus_val32)(b))
153		/** Subtract two 32-bit values */
154	33.1G	#define SUB32(a,b) ((opus_val32)(a)-(opus_val32)(b))
155
156		/** Add two 32-bit values, ignore any overflows */
157	898G	#define ADD32_ovflw(a,b) ((opus_val32)((opus_uint32)(a)+(opus_uint32)(b)))
158		/** Subtract two 32-bit values, ignore any overflows */
159	836G	#define SUB32_ovflw(a,b) ((opus_val32)((opus_uint32)(a)-(opus_uint32)(b)))
160		/* Avoid MSVC warning C4146: unary minus operator applied to unsigned type */
161		/** Negate 32-bit value, ignore any overflows */
162	21.9G	#define NEG32_ovflw(a) ((opus_val32)(0-(opus_uint32)(a)))
163		/** 32-bit shift left, ignoring overflows */
164	92.6M	#define SHL32_ovflw(a,shift) SHL32(a,shift)
165		/** 32-bit arithmetic shift right with rounding-to-nearest, ignoring overflows */
166	92.6M	#define PSHR32_ovflw(a,shift) (SHR32(ADD32_ovflw(a, (EXTEND32(1)<<(shift)>>1)),shift))
167
168		/** 16x16 multiplication where the result fits in 16 bits */
169		#define MULT16_16_16(a,b) ((((opus_val16)(a))*((opus_val16)(b))))
170
171		/** 32x32 multiplication where the result fits in 32 bits */
172		#define MULT32_32_32(a,b) ((((opus_val32)(a))*((opus_val32)(b))))
173
174		/* (opus_val32)(opus_val16) gives TI compiler a hint that it's 16x16->32 multiply */
175		/** 16x16 multiplication where the result fits in 32 bits */
176	956G	#define MULT16_16(a,b) (((opus_val32)(opus_val16)(a))*((opus_val32)(opus_val16)(b)))
177
178		/** 16x16 multiply-add where the result fits in 32 bits */
179	1.13T	#define MAC16_16(c,a,b) (ADD32((c),MULT16_16((a),(b))))
180		/** 16x32 multiply, followed by a 15-bit shift right and 32-bit add.
181		b must fit in 31 bits.
182		Result fits in 32 bits. */
183	1.45G	#define MAC16_32_Q15(c,a,b) ADD32((c),ADD32(MULT16_16((a),SHR((b),15)), SHR(MULT16_16((a),((b)&0x00007fff)),15)))
184
185		/** 16x32 multiplication, followed by a 16-bit shift right and 32-bit add.
186		Results fits in 32 bits */
187		#define MAC16_32_Q16(c,a,b) ADD32((c),ADD32(MULT16_16((a),SHR((b),16)), SHR(MULT16_16SU((a),((b)&0x0000ffff)),16)))
188
189		#define MULT16_16_Q11_32(a,b) (SHR(MULT16_16((a),(b)),11))
190		#define MULT16_16_Q11(a,b) (SHR(MULT16_16((a),(b)),11))
191		#define MULT16_16_Q13(a,b) (SHR(MULT16_16((a),(b)),13))
192	55.3M	#define MULT16_16_Q14(a,b) (SHR(MULT16_16((a),(b)),14))
193	15.4G	#define MULT16_16_Q15(a,b) (SHR(MULT16_16((a),(b)),15))
194
195		#define MULT16_16_P13(a,b) (SHR(ADD32(4096,MULT16_16((a),(b))),13))
196		#define MULT16_16_P14(a,b) (SHR(ADD32(8192,MULT16_16((a),(b))),14))
197	49.6M	#define MULT16_16_P15(a,b) (SHR(ADD32(16384,MULT16_16((a),(b))),15))
198
199		/** Divide a 32-bit value by a 16-bit value. Result fits in 16 bits */
200	527M	#define DIV32_16(a,b) ((opus_val16)(((opus_val32)(a))/((opus_val16)(b))))
201
202		/** Divide a 32-bit value by a 32-bit value. Result fits in 32 bits */
203	21.6M	#define DIV32(a,b) (((opus_val32)(a))/((opus_val32)(b)))
204
205		#if defined(__mips)
206		#include "mips/fixed_generic_mipsr1.h"
207		#endif
208
209		static OPUS_INLINE opus_val16 SIG2WORD16_generic(celt_sig x)
210	0	{
211	0	x = PSHR32(x, SIG_SHIFT);
212	0	x = MAX32(x, -32768);
213	0	x = MIN32(x, 32767);
214	0	return EXTRACT16(x);
215	0	} Unexecuted instantiation: repacketizer.c:SIG2WORD16_generic Unexecuted instantiation: celt.c:SIG2WORD16_generic Unexecuted instantiation: opus.c:SIG2WORD16_generic Unexecuted instantiation: opus_decoder.c:SIG2WORD16_generic Unexecuted instantiation: extensions.c:SIG2WORD16_generic Unexecuted instantiation: celt_decoder.c:SIG2WORD16_generic Unexecuted instantiation: entcode.c:SIG2WORD16_generic Unexecuted instantiation: entdec.c:SIG2WORD16_generic Unexecuted instantiation: mathops.c:SIG2WORD16_generic Unexecuted instantiation: mdct.c:SIG2WORD16_generic Unexecuted instantiation: modes.c:SIG2WORD16_generic Unexecuted instantiation: pitch.c:SIG2WORD16_generic Unexecuted instantiation: celt_lpc.c:SIG2WORD16_generic Unexecuted instantiation: quant_bands.c:SIG2WORD16_generic Unexecuted instantiation: rate.c:SIG2WORD16_generic Unexecuted instantiation: vq.c:SIG2WORD16_generic Unexecuted instantiation: x86cpu.c:SIG2WORD16_generic Unexecuted instantiation: x86_celt_map.c:SIG2WORD16_generic Unexecuted instantiation: pitch_sse2.c:SIG2WORD16_generic Unexecuted instantiation: celt_lpc_sse4_1.c:SIG2WORD16_generic Unexecuted instantiation: pitch_sse4_1.c:SIG2WORD16_generic Unexecuted instantiation: dec_API.c:SIG2WORD16_generic Unexecuted instantiation: tables_other.c:SIG2WORD16_generic Unexecuted instantiation: stereo_MS_to_LR.c:SIG2WORD16_generic Unexecuted instantiation: resampler.c:SIG2WORD16_generic Unexecuted instantiation: resampler_private_down_FIR.c:SIG2WORD16_generic Unexecuted instantiation: resampler_private_IIR_FIR.c:SIG2WORD16_generic Unexecuted instantiation: resampler_private_up2_HQ.c:SIG2WORD16_generic Unexecuted instantiation: resampler_rom.c:SIG2WORD16_generic Unexecuted instantiation: stereo_decode_pred.c:SIG2WORD16_generic Unexecuted instantiation: bands.c:SIG2WORD16_generic Unexecuted instantiation: cwrs.c:SIG2WORD16_generic Unexecuted instantiation: entenc.c:SIG2WORD16_generic Unexecuted instantiation: kiss_fft.c:SIG2WORD16_generic Unexecuted instantiation: laplace.c:SIG2WORD16_generic Unexecuted instantiation: init_decoder.c:SIG2WORD16_generic Unexecuted instantiation: decode_frame.c:SIG2WORD16_generic Unexecuted instantiation: decode_parameters.c:SIG2WORD16_generic Unexecuted instantiation: decode_indices.c:SIG2WORD16_generic Unexecuted instantiation: decode_pulses.c:SIG2WORD16_generic Unexecuted instantiation: decoder_set_fs.c:SIG2WORD16_generic Unexecuted instantiation: gain_quant.c:SIG2WORD16_generic Unexecuted instantiation: NLSF_decode.c:SIG2WORD16_generic Unexecuted instantiation: PLC.c:SIG2WORD16_generic Unexecuted instantiation: shell_coder.c:SIG2WORD16_generic Unexecuted instantiation: tables_gain.c:SIG2WORD16_generic Unexecuted instantiation: tables_LTP.c:SIG2WORD16_generic Unexecuted instantiation: tables_NLSF_CB_NB_MB.c:SIG2WORD16_generic Unexecuted instantiation: tables_NLSF_CB_WB.c:SIG2WORD16_generic Unexecuted instantiation: tables_pitch_lag.c:SIG2WORD16_generic Unexecuted instantiation: tables_pulses_per_block.c:SIG2WORD16_generic Unexecuted instantiation: NLSF_unpack.c:SIG2WORD16_generic Unexecuted instantiation: bwexpander.c:SIG2WORD16_generic Unexecuted instantiation: decode_pitch.c:SIG2WORD16_generic Unexecuted instantiation: lin2log.c:SIG2WORD16_generic Unexecuted instantiation: log2lin.c:SIG2WORD16_generic Unexecuted instantiation: LPC_analysis_filter.c:SIG2WORD16_generic Unexecuted instantiation: LPC_inv_pred_gain.c:SIG2WORD16_generic Unexecuted instantiation: NLSF2A.c:SIG2WORD16_generic Unexecuted instantiation: NLSF_stabilize.c:SIG2WORD16_generic Unexecuted instantiation: pitch_est_tables.c:SIG2WORD16_generic Unexecuted instantiation: resampler_private_AR2.c:SIG2WORD16_generic Unexecuted instantiation: sort.c:SIG2WORD16_generic Unexecuted instantiation: sum_sqr_shift.c:SIG2WORD16_generic Unexecuted instantiation: LPC_fit.c:SIG2WORD16_generic Unexecuted instantiation: CNG.c:SIG2WORD16_generic Unexecuted instantiation: code_signs.c:SIG2WORD16_generic Unexecuted instantiation: decode_core.c:SIG2WORD16_generic Unexecuted instantiation: bwexpander_32.c:SIG2WORD16_generic Unexecuted instantiation: table_LSF_cos.c:SIG2WORD16_generic Unexecuted instantiation: opus_projection_encoder.c:SIG2WORD16_generic Unexecuted instantiation: mapping_matrix.c:SIG2WORD16_generic Unexecuted instantiation: opus_encoder.c:SIG2WORD16_generic Unexecuted instantiation: opus_multistream_encoder.c:SIG2WORD16_generic Unexecuted instantiation: analysis.c:SIG2WORD16_generic Unexecuted instantiation: mlp.c:SIG2WORD16_generic Unexecuted instantiation: celt_encoder.c:SIG2WORD16_generic Unexecuted instantiation: enc_API.c:SIG2WORD16_generic Unexecuted instantiation: encode_indices.c:SIG2WORD16_generic Unexecuted instantiation: encode_pulses.c:SIG2WORD16_generic Unexecuted instantiation: HP_variable_cutoff.c:SIG2WORD16_generic Unexecuted instantiation: stereo_LR_to_MS.c:SIG2WORD16_generic Unexecuted instantiation: check_control_input.c:SIG2WORD16_generic Unexecuted instantiation: control_SNR.c:SIG2WORD16_generic Unexecuted instantiation: init_encoder.c:SIG2WORD16_generic Unexecuted instantiation: control_codec.c:SIG2WORD16_generic Unexecuted instantiation: stereo_encode_pred.c:SIG2WORD16_generic Unexecuted instantiation: stereo_find_predictor.c:SIG2WORD16_generic Unexecuted instantiation: stereo_quant_pred.c:SIG2WORD16_generic Unexecuted instantiation: encode_frame_FIX.c:SIG2WORD16_generic Unexecuted instantiation: find_pitch_lags_FIX.c:SIG2WORD16_generic Unexecuted instantiation: find_pred_coefs_FIX.c:SIG2WORD16_generic Unexecuted instantiation: noise_shape_analysis_FIX.c:SIG2WORD16_generic Unexecuted instantiation: process_gains_FIX.c:SIG2WORD16_generic Unexecuted instantiation: residual_energy_FIX.c:SIG2WORD16_generic Unexecuted instantiation: warped_autocorrelation_FIX.c:SIG2WORD16_generic Unexecuted instantiation: apply_sine_window_FIX.c:SIG2WORD16_generic Unexecuted instantiation: autocorr_FIX.c:SIG2WORD16_generic Unexecuted instantiation: k2a_FIX.c:SIG2WORD16_generic Unexecuted instantiation: k2a_Q16_FIX.c:SIG2WORD16_generic Unexecuted instantiation: pitch_analysis_core_FIX.c:SIG2WORD16_generic Unexecuted instantiation: vector_ops_FIX.c:SIG2WORD16_generic Unexecuted instantiation: schur64_FIX.c:SIG2WORD16_generic Unexecuted instantiation: schur_FIX.c:SIG2WORD16_generic Unexecuted instantiation: x86_silk_map.c:SIG2WORD16_generic Unexecuted instantiation: NSQ_del_dec_avx2.c:SIG2WORD16_generic Unexecuted instantiation: opus_multistream.c:SIG2WORD16_generic Unexecuted instantiation: LP_variable_cutoff.c:SIG2WORD16_generic Unexecuted instantiation: NSQ.c:SIG2WORD16_generic Unexecuted instantiation: NSQ_del_dec.c:SIG2WORD16_generic Unexecuted instantiation: VAD.c:SIG2WORD16_generic Unexecuted instantiation: control_audio_bandwidth.c:SIG2WORD16_generic Unexecuted instantiation: quant_LTP_gains.c:SIG2WORD16_generic Unexecuted instantiation: VQ_WMat_EC.c:SIG2WORD16_generic Unexecuted instantiation: process_NLSFs.c:SIG2WORD16_generic Unexecuted instantiation: ana_filt_bank_1.c:SIG2WORD16_generic Unexecuted instantiation: biquad_alt.c:SIG2WORD16_generic Unexecuted instantiation: inner_prod_aligned.c:SIG2WORD16_generic Unexecuted instantiation: NLSF_VQ_weights_laroia.c:SIG2WORD16_generic Unexecuted instantiation: resampler_down2_3.c:SIG2WORD16_generic Unexecuted instantiation: resampler_down2.c:SIG2WORD16_generic Unexecuted instantiation: sigm_Q15.c:SIG2WORD16_generic Unexecuted instantiation: LTP_analysis_filter_FIX.c:SIG2WORD16_generic Unexecuted instantiation: LTP_scale_ctrl_FIX.c:SIG2WORD16_generic Unexecuted instantiation: find_LPC_FIX.c:SIG2WORD16_generic Unexecuted instantiation: find_LTP_FIX.c:SIG2WORD16_generic Unexecuted instantiation: burg_modified_FIX.c:SIG2WORD16_generic Unexecuted instantiation: NSQ_sse4_1.c:SIG2WORD16_generic Unexecuted instantiation: NSQ_del_dec_sse4_1.c:SIG2WORD16_generic Unexecuted instantiation: VAD_sse4_1.c:SIG2WORD16_generic Unexecuted instantiation: VQ_WMat_EC_sse4_1.c:SIG2WORD16_generic Unexecuted instantiation: vector_ops_FIX_sse4_1.c:SIG2WORD16_generic Unexecuted instantiation: burg_modified_FIX_sse4_1.c:SIG2WORD16_generic Unexecuted instantiation: interpolate.c:SIG2WORD16_generic Unexecuted instantiation: NLSF_encode.c:SIG2WORD16_generic Unexecuted instantiation: NLSF_VQ.c:SIG2WORD16_generic Unexecuted instantiation: NLSF_del_dec_quant.c:SIG2WORD16_generic Unexecuted instantiation: A2NLSF.c:SIG2WORD16_generic Unexecuted instantiation: corrMatrix_FIX.c:SIG2WORD16_generic Unexecuted instantiation: opus_multistream_decoder.c:SIG2WORD16_generic Unexecuted instantiation: opus_projection_decoder.c:SIG2WORD16_generic
216		#define SIG2WORD16(x) (SIG2WORD16_generic(x))
217
218		#endif