Hi,
[quote]
Are the DSPF_sp_mat_mul_gemm, DSPF_sp_mat_mul_gemm_cplx, DSP_fir_r8_h16, DSP_fir_r8_h24 and DSP_fir_r8_h8 functions supported on a c674x device?
[/quote]
In my understanding, Of course It won't give any problem.
Please refer the following ti e2e which is related to your problem.
http://e2e.ti.com/support/development_tools/compiler/f/343/p/234203/821814.aspx
http://e2e.ti.com/support/dsp/c6000_multi-core_dsps/f/639/t/308409.aspx