[Cryptech Tech] Cleanup of chacha

[Joachim Strömbergson]

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Aloha!

Joachim Strömbergson wrote:
> Aloha! Peter Stuge wrote:
>> Please also see if yosys ( https://github.com/clifford/yosys )
>> does?
> 
> Currently it does not. It seems Yosys have a problem with locally 
> defined variables. At least (two dimensional) arrays.

Specifically in data_out_logic, I define the following arrays locally:

 reg [31 : 0] msb_block_state [0 : 15];
 reg [31 : 0] lsb_block_state [0 : 15];
 reg [511 : 0] block_state;

If I move them to top level scope, I can parse, synthesize and optimize
the design in yosys. Note that it is only the two dimensional arrays
that are problematic. I've opened an issue for this.

- -- 
Med vänlig hälsning, Yours

Joachim Strömbergson - Alltid i harmonisk svängning.
========================================================================
 Joachim Strömbergson          Secworks AB          joachim at secworks.se
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