Shift of 64 entries having 16 bits

[usamaaslam1]

Hi,

i have implemented a memory of 16*64
i need 2 shift the values i did it by using case statements
sme line are as follow

 case (addr)

      64'd59:
      begin
         mem[59] <= `D dinput;
         mem[60] <= `D mem[59];
         mem[61] <= `D mem[60];
         mem[62] <= `D mem[61];
         mem[63] <= `D mem[62];
    end        
               
               
      64'd60:
      begin
         mem[60] <= `D dinput;
         mem[61] <= `D mem[60];
         mem[62] <= `D mem[61];
         mem[63] <= `D mem[62];
    end       
              
      64'd61: 
      begin   
         mem[61] <= `D dinput;
         mem[62] <= `D mem[61];
         mem[63] <= `D mem[62];
    end         

      64'd62:
      begin
         mem[62] <= `D dinput;
         mem[63] <= `D mem[62];
    end         
endcase

there are 64 states. i am facing problem regarding the critical path its over 5 ns i want to make it below 5 ns

presently the implementaion is single cycle. cycles can be increased.

anyone having any idea plz help

 

[sudhirkv]

split the memory into 4 and try with 4 always blocks