1*a58d3d2aSXin Li /***********************************************************************
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7*a58d3d2aSXin Li this list of conditions and the following disclaimer.
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26*a58d3d2aSXin Li ***********************************************************************/
27*a58d3d2aSXin Li
28*a58d3d2aSXin Li
29*a58d3d2aSXin Li #ifndef SILK_MACROS_MIPSR1_H__
30*a58d3d2aSXin Li #define SILK_MACROS_MIPSR1_H__
31*a58d3d2aSXin Li
32*a58d3d2aSXin Li #define mips_clz(x) __builtin_clz(x)
33*a58d3d2aSXin Li
34*a58d3d2aSXin Li #undef silk_SMULWB
silk_SMULWB(int a,int b)35*a58d3d2aSXin Li static inline int silk_SMULWB(int a, int b)
36*a58d3d2aSXin Li {
37*a58d3d2aSXin Li long long ac;
38*a58d3d2aSXin Li int c;
39*a58d3d2aSXin Li
40*a58d3d2aSXin Li ac = __builtin_mips_mult(a, (opus_int32)(opus_int16)b);
41*a58d3d2aSXin Li c = __builtin_mips_extr_w(ac, 16);
42*a58d3d2aSXin Li
43*a58d3d2aSXin Li return c;
44*a58d3d2aSXin Li }
45*a58d3d2aSXin Li
46*a58d3d2aSXin Li #undef silk_SMLAWB
47*a58d3d2aSXin Li #define silk_SMLAWB(a32, b32, c32) ((a32) + silk_SMULWB(b32, c32))
48*a58d3d2aSXin Li
49*a58d3d2aSXin Li #undef silk_SMULWW
silk_SMULWW(int a,int b)50*a58d3d2aSXin Li static inline int silk_SMULWW(int a, int b)
51*a58d3d2aSXin Li {
52*a58d3d2aSXin Li long long ac;
53*a58d3d2aSXin Li int c;
54*a58d3d2aSXin Li
55*a58d3d2aSXin Li ac = __builtin_mips_mult(a, b);
56*a58d3d2aSXin Li c = __builtin_mips_extr_w(ac, 16);
57*a58d3d2aSXin Li
58*a58d3d2aSXin Li return c;
59*a58d3d2aSXin Li }
60*a58d3d2aSXin Li
61*a58d3d2aSXin Li #undef silk_SMLAWW
silk_SMLAWW(int a,int b,int c)62*a58d3d2aSXin Li static inline int silk_SMLAWW(int a, int b, int c)
63*a58d3d2aSXin Li {
64*a58d3d2aSXin Li long long ac;
65*a58d3d2aSXin Li int res;
66*a58d3d2aSXin Li
67*a58d3d2aSXin Li ac = __builtin_mips_mult(b, c);
68*a58d3d2aSXin Li res = __builtin_mips_extr_w(ac, 16);
69*a58d3d2aSXin Li res += a;
70*a58d3d2aSXin Li
71*a58d3d2aSXin Li return res;
72*a58d3d2aSXin Li }
73*a58d3d2aSXin Li
74*a58d3d2aSXin Li #define OVERRIDE_silk_CLZ16
silk_CLZ16(opus_int16 in16)75*a58d3d2aSXin Li static inline opus_int32 silk_CLZ16(opus_int16 in16)
76*a58d3d2aSXin Li {
77*a58d3d2aSXin Li int re32;
78*a58d3d2aSXin Li opus_int32 in32 = (opus_int32 )in16;
79*a58d3d2aSXin Li re32 = mips_clz(in32);
80*a58d3d2aSXin Li re32-=16;
81*a58d3d2aSXin Li return re32;
82*a58d3d2aSXin Li }
83*a58d3d2aSXin Li
84*a58d3d2aSXin Li #define OVERRIDE_silk_CLZ32
silk_CLZ32(opus_int32 in32)85*a58d3d2aSXin Li static inline opus_int32 silk_CLZ32(opus_int32 in32)
86*a58d3d2aSXin Li {
87*a58d3d2aSXin Li int re32;
88*a58d3d2aSXin Li re32 = mips_clz(in32);
89*a58d3d2aSXin Li return re32;
90*a58d3d2aSXin Li }
91*a58d3d2aSXin Li
92*a58d3d2aSXin Li #endif /* SILK_MACROS_MIPSR1_H__ */
93