46 …opus_int32                  *res_nrg,           /* O    Residual energy                           …  in silk_burg_modified_c()
48 …opus_int32                  A_Q16[],            /* O    Prediction coefficients (length order)    …  in silk_burg_modified_c()
50 …const opus_int32            minInvGain_Q30,     /* I    Inverse of max prediction gain            …  in silk_burg_modified_c()
58     opus_int32       C0, num, nrg, rc_Q31, invGain_Q30, Atmp_QA, Atmp1, tmp1, tmp2, x1, x2;  in silk_burg_modified_c()
60     opus_int32       C_first_row[ SILK_MAX_ORDER_LPC ];  in silk_burg_modified_c()
61     opus_int32       C_last_row[  SILK_MAX_ORDER_LPC ];  in silk_burg_modified_c()
62     opus_int32       Af_QA[       SILK_MAX_ORDER_LPC ];  in silk_burg_modified_c()
63     opus_int32       CAf[ SILK_MAX_ORDER_LPC + 1 ];  in silk_burg_modified_c()
64     opus_int32       CAb[ SILK_MAX_ORDER_LPC + 1 ];  in silk_burg_modified_c()
65     opus_int32       xcorr[ SILK_MAX_ORDER_LPC ];  in silk_burg_modified_c()
78         C0 = (opus_int32)silk_RSHIFT64(C0_64, rshifts );  in silk_burg_modified_c()
80         C0 = silk_LSHIFT32((opus_int32)C0_64, -rshifts );  in silk_burg_modified_c()
84     silk_memset( C_first_row, 0, SILK_MAX_ORDER_LPC * sizeof( opus_int32 ) );  in silk_burg_modified_c()
89                 C_first_row[ n - 1 ] += (opus_int32)silk_RSHIFT64(  in silk_burg_modified_c()
96             opus_int32 d;  in silk_burg_modified_c()
109     silk_memcpy( C_last_row, C_first_row, SILK_MAX_ORDER_LPC * sizeof( opus_int32 ) );  in silk_burg_modified_c()
114     invGain_Q30 = (opus_int32)1 << 30;  in silk_burg_modified_c()
124 …x1  = -silk_LSHIFT32( (opus_int32)x_ptr[ n ],                    16 - rshifts );        /* Q(16-rs…  in silk_burg_modified_c()
125 …x2  = -silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n - 1 ], 16 - rshifts );        /* Q(16-rs…  in silk_burg_modified_c()
126 …tmp1 = silk_LSHIFT32( (opus_int32)x_ptr[ n ],                    QA - 16 );             /* Q(QA-16…  in silk_burg_modified_c()
127 …tmp2 = silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n - 1 ], QA - 16 );             /* Q(QA-16…  in silk_burg_modified_c()
145 …x1  = -silk_LSHIFT32( (opus_int32)x_ptr[ n ],                    -rshifts );            /* Q( -rsh…  in silk_burg_modified_c()
146 …x2  = -silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n - 1 ], -rshifts );            /* Q( -rsh…  in silk_burg_modified_c()
147 …  tmp1 = silk_LSHIFT32( (opus_int32)x_ptr[ n ],                    17 );                  /* Q17 */  in silk_burg_modified_c()
148 …  tmp2 = silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n - 1 ], 17 );                  /* Q17 */  in silk_burg_modified_c()
163 … silk_LSHIFT32( (opus_int32)x_ptr[ n - k ], -rshifts - 1 ) );                    /* Q( -rshift ) */  in silk_burg_modified_c()
165 … silk_LSHIFT32( (opus_int32)x_ptr[ subfr_length - n + k - 1 ], -rshifts - 1 ) ); /* Q( -rshift ) */  in silk_burg_modified_c()
200         tmp1 = ( (opus_int32)1 << 30 ) - silk_SMMUL( rc_Q31, rc_Q31 );  in silk_burg_modified_c()
204 …tmp2 = ( (opus_int32)1 << 30 ) - silk_DIV32_varQ( minInvGain_Q30, invGain_Q30, 30 );            /*…  in silk_burg_modified_c()
256 … C0 -= (opus_int32)silk_RSHIFT64( silk_inner_prod16_aligned_64( x_ptr, x_ptr, D, arch ), rshifts );  in silk_burg_modified_c()
270 …tmp1 = (opus_int32)1 << 16;                                                                       …  in silk_burg_modified_c()