cvs commit: src/lib/msun/src s_rintl.c

Bruce Evans bde at FreeBSD.org
Fri Feb 22 10:04:54 UTC 2008


bde         2008-02-22 10:04:53 UTC

  FreeBSD src repository

  Modified files:
    lib/msun/src         s_rintl.c 
  Log:
  Optimize the fixup for +-0 by using better classification for this case
  and by using a table lookup to avoid a branch when this case occurs.
  On i386, this saves 1-4 cycles out of about 64 for non-large args.
  
  Revision  Changes    Path
  1.4       +4 -2      src/lib/msun/src/s_rintl.c


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