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Re: gcc compile-time performance


   From: Jan Hubicka <jh@suse.cz>
   Date: Fri, 17 May 2002 19:16:24 +0200

   > I know that the subreg-byte changes added a lot of overhead
   > particularly via the subreg_regno_offset() function (which was
   > an inline macro in my original diffs).
   
   Do you have some data?  Perhaps we can replace the division by
   simple lookup table...

Jan, this was 3 or 4 years ago, I have no recollection what
the details were :-)

The table idea sounds very good, int mode_size_div[X][Y], something
like that.


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