[Opus] Update to v1.2.1

third_party/opus/src/celt/mips/vq_mipsr1.h

 /* Copyright (c) 2007-2008 CSIRO
    Copyright (c) 2007-2009 Xiph.Org Foundation
    Written by Jean-Marc Valin */
 /*
    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.
@@ skipping 18 matching lines @@
 #ifndef __VQ_MIPSR1_H__
 #define __VQ_MIPSR1_H__
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "mathops.h"
 #include "arch.h"
 
-static unsigned extract_collapse_mask(int *iy, int N, int B);
-static void normalise_residual(int * OPUS_RESTRICT iy, celt_norm * OPUS_RESTRICT X, int N, opus_val32 Ryy, opus_val16 gain);
-static void exp_rotation(celt_norm *X, int len, int dir, int stride, int K, int spread);
 static void renormalise_vector_mips(celt_norm *X, int N, opus_val16 gain, int arch);
 
 #define OVERRIDE_vq_exp_rotation1
 static void exp_rotation1(celt_norm *X, int len, int stride, opus_val16 c, opus_val16 s)
 {
    int i;
    opus_val16 ms;
    celt_norm *Xptr;
    Xptr = X;
    ms = NEG16(s);
@@ skipping 64 matching lines @@
    xptr = X;
    for (i=0;i<N;i++)
    {
       *xptr = EXTRACT16(PSHR32(MULT16_16(g, *xptr), k+1));
       xptr++;
    }
    /*return celt_sqrt(E);*/
 }
 
 #endif /* __VQ_MIPSR1_H__ */