Texas Instruments TMS320C64X - Manual (Page 28)

Differences Between the C64x and C64x+ DSPLIBs
3-10
Table 3−10. Functions Optimized in the C64x+ DSPLIB (Continued)
Function Optimization Type C64x+ Optimized
DSP_blk_eswap16 No
DSP_blk_eswap32 No
DSP_blk_move Yes SPLOOP conversion
DSP_fltoq15 No
DSP_minerror No
DSP_q15tofl No
DSP_bitrev_cplx No Obsolete
DSP_radix2 No Obsolete
DSP_r4fft No Obsolete
DSP_fft No Obsolete
DSP_fft16x16t No Obsolete
Any functions which were not optimized for the C64x+ have the same
performance as on the C64x.