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27
28
29 #ifndef __SILK_MACROS_MIPSR1_H__
30 #define __SILK_MACROS_MIPSR1_H__
31
32 #define mips_clz(x) __builtin_clz(x)
33
34 #undef silk_SMULWB
silk_SMULWB(int a,int b)35 static inline int silk_SMULWB(int a, int b)
36 {
37 long long ac;
38 int c;
39
40 ac = __builtin_mips_mult(a, (opus_int32)(opus_int16)b);
41 c = __builtin_mips_extr_w(ac, 16);
42
43 return c;
44 }
45
46 #undef silk_SMLAWB
47 #define silk_SMLAWB(a32, b32, c32) ((a32) + silk_SMULWB(b32, c32))
48
49 #undef silk_SMULWW
silk_SMULWW(int a,int b)50 static inline int silk_SMULWW(int a, int b)
51 {
52 long long ac;
53 int c;
54
55 ac = __builtin_mips_mult(a, b);
56 c = __builtin_mips_extr_w(ac, 16);
57
58 return c;
59 }
60
61 #undef silk_SMLAWW
silk_SMLAWW(int a,int b,int c)62 static inline int silk_SMLAWW(int a, int b, int c)
63 {
64 long long ac;
65 int res;
66
67 ac = __builtin_mips_mult(b, c);
68 res = __builtin_mips_extr_w(ac, 16);
69 res += a;
70
71 return res;
72 }
73
74 #define OVERRIDE_silk_CLZ16
silk_CLZ16(opus_int16 in16)75 static inline opus_int32 silk_CLZ16(opus_int16 in16)
76 {
77 int re32;
78 opus_int32 in32 = (opus_int32 )in16;
79 re32 = mips_clz(in32);
80 re32-=16;
81 return re32;
82 }
83
84 #define OVERRIDE_silk_CLZ32
silk_CLZ32(opus_int32 in32)85 static inline opus_int32 silk_CLZ32(opus_int32 in32)
86 {
87 int re32;
88 re32 = mips_clz(in32);
89 return re32;
90 }
91
92 #endif /* __SILK_MACROS_MIPSR1_H__ */
93