From: zfysz@nospicedham.fysnet.net   
      
   "Robert Wessel"  wrote in message   
   news:v14i7ddpmndtqijv8mcgmongp5b76pdlfm@4ax.com...   
   > On Mon, 05 Feb 2018 19:56:30 -0600, Robert Wessel   
   >  wrote:   
   >   
   >   
   > I forget pre-AVX512 had only 16 registers.  *sigh*  Ah well, you'll   
   > have to shuffle the register usage around a bit and move the constants   
   > to memory.  Other than the constants, the above code uses 18   
   > registers, shuffling things around to get to 16 would be easy.  The   
   > original loaded values (ymm1..ymm4), for example, aren't in the final   
   > computations, and could trivially be used instead of ymm17..ymm19 in   
   > those.   
      
   Thanks Robert.   
      
   I am going to have to study the avx instruction set and   
   see if I can implement it.   
      
   Thanks again,   
   Ben   
      
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