Commit 39ee6c2d authored by thomas dettbarn's avatar thomas dettbarn
Browse files

Inside a FOR loop within tcx_ltp_synth_filter32() there was an IF which was... 

Inside a FOR loop within tcx_ltp_synth_filter32() there was an IF which was impeding WMOPS performance.
parent e95243e9

lib_com/tcx_ltp_fx.c

+9 −12
Original line number Diff line number Diff line
@@ -579,8 +579,7 @@ static void tcx_ltp_synth_filter32( 


        L = tcxLtpFilters[filtIdx].length; /* Q0 */

        move16();



        alpha = 0;

        alpha = 0x7FFF; /* 1 in Q15 */

        move16();

        IF( fade != 0 )

        {
@@ -605,7 +604,13 @@ static void tcx_ltp_synth_filter32( 
            if ( fade < 0 )

                step = negate( step );

        }



        if ( zir != NULL )

        {

            FOR( j = 0; j < length; j++ )

            {

                synth[j] = L_sub_sat( synth[j], zir[j] );

            }

        }

        FOR( j = 0; j < length; j++ )

        {

            s = L_deposit_l( 0 );
@@ -625,22 +630,14 @@ static void tcx_ltp_synth_filter32( 
               fade-in/out: synth_ltp[j] = synth[j] - alpha * gain * s2 + alpha * gain * s; */

            L_tmp = L_sub_sat( s, Mpy_32_16_r( s2, ALPHA ) ); /* Qx */

            L_tmp2 = Mpy_32_16_r( L_tmp, gain );              /* Qx */

            IF( fade != 0 )

            L_tmp2 = Mpy_32_16_r( L_tmp2, alpha );  /* Qx */

            L_tmp2 = L_add_sat( synth[j], L_tmp2 ); /* Qx */

            if ( zir != NULL )

            {

                L_tmp2 = L_sub_sat( L_tmp2, zir[j] ); /* Qx */

            }



            synth_ltp[j] = L_tmp2; /* Qx */

            move16();



            BASOP_SATURATE_WARNING_OFF_EVS;

            if ( fade != 0 )

            {

            alpha = add_sat( alpha, step );

            }

            BASOP_SATURATE_WARNING_ON_EVS;



            x0++;