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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
     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
     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
     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
     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
     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