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From: Bruce Evans <bde@FreeBSD.org>
Date: Tue, 19 Feb 2008 12:54:14 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/lib/msun/src k_cos.c k_sin.c
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bde         2008-02-19 12:54:14 UTC

  FreeBSD src repository

  Modified files:
    lib/msun/src         k_cos.c k_sin.c 
  Log:
  Rearrange the polynomial evaluation for better parallelism.  This
  saves an average of about 8 cycles or 5% on A64 (amd64 and i386 --
  more in cycles but about the same percentage on i386, and more with
  old versions of gcc) with good CFLAGS and some parallelism in the
  caller.  As usual, it takes a couple more multiplications so it will
  be slower on old machines.
  
  Convert to __FBSDID().
  
  Revision  Changes    Path
  1.12      +4 -4      src/lib/msun/src/k_cos.c
  1.11      +5 -5      src/lib/msun/src/k_sin.c