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DM6437 SPLOOP buffer Hardware limitations

Greetings,

We are using the DM6437 in an automotive app.

We use CCS3.3.83.19 with CGT6.1.21, BIOS5.41.10.36, etc...

We have certain transforms we wrote in machine assembly successfully.  When we attempt to offload such very paralleled and very tight code to the SPLOOP hardware, the assembler generate errors related to SPLOOP not allowing such path A/path B use.

Where can we find all the SPLOOP limitations of such nature? I have not been able to find any in the TMS320C64x+ DSP Megamodule Reference Guide or the TMS320C64x/C64x+ DSP CPU and Instruction Set Reference Guide.

Regards,