Prepare for radical source tree reorganization. zack/build-layout-experiment

All top-level files and directories are moved into a temporary storage
directory, REORG.TODO, except for files that will certainly still
exist in their current form at top level when we're done (COPYING,
COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which
are moved to the new directory OldChangeLogs, instead), and the
generated file INSTALL (which is just deleted; in the new order, there
will be no generated files checked into version control).

1 files changed, 0 insertions, 129 deletions

diff --git a/sysdeps/ieee754/ldbl-128ibm/s_rintl.c b/sysdeps/ieee754/ldbl-128ibm/s_rintl.c
deleted file mode 100644
index ea8c2bca0e..0000000000
--- a/sysdeps/ieee754/ldbl-128ibm/s_rintl.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* Round to int long double floating-point values.
-   IBM extended format long double version.
-   Copyright (C) 2006-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* This has been coded in assembler because GCC makes such a mess of it
-   when it's coded in C.  */
-
-#include <math.h>
-#include <fenv.h>
-#include <math_ldbl_opt.h>
-#include <float.h>
-#include <ieee754.h>
-
-#ifdef USE_AS_NEARBYINTL
-# define rintl nearbyintl
-# define __rintl __nearbyintl
-#endif
-
-
-long double
-__rintl (long double x)
-{
-  double xh, xl, hi, lo;
-
-  ldbl_unpack (x, &xh, &xl);
-
-  /* Return Inf, Nan, +/-0 unchanged.  */
-  if (__builtin_expect (xh != 0.0
-			&& __builtin_isless (__builtin_fabs (xh),
-					     __builtin_inf ()), 1))
-    {
-      double orig_xh;
-      int save_round = fegetround ();
-
-      /* Long double arithmetic, including the canonicalisation below,
-	 only works in round-to-nearest mode.  */
-#ifdef USE_AS_NEARBYINTL
-      SET_RESTORE_ROUND_NOEX (FE_TONEAREST);
-#else
-      fesetround (FE_TONEAREST);
-#endif
-
-      /* Convert the high double to integer.  */
-      orig_xh = xh;
-      hi = ldbl_nearbyint (xh);
-
-      /* Subtract integral high part from the value.  If the low double
-	 happens to be exactly 0.5 or -0.5, you might think that this
-	 subtraction could result in an incorrect conversion.  For
-	 instance, subtracting an odd number would cause this function
-	 to round in the wrong direction.  However, if we have a
-	 canonical long double with the low double 0.5 or -0.5, then the
-	 high double must be even.  */
-      xh -= hi;
-      ldbl_canonicalize (&xh, &xl);
-
-      /* Now convert the low double, adjusted for any remainder from the
-	 high double.  */
-      lo = ldbl_nearbyint (xh);
-
-      xh -= lo;
-      ldbl_canonicalize (&xh, &xl);
-
-      switch (save_round)
-	{
-	case FE_TONEAREST:
-	  if (xl > 0.0 && xh == 0.5)
-	    lo += 1.0;
-	  else if (xl < 0.0 && -xh == 0.5)
-	    lo -= 1.0;
-	  break;
-
-	case FE_TOWARDZERO:
-	  if (orig_xh < 0.0)
-	    goto do_up;
-	  /* Fall thru */
-
-	case FE_DOWNWARD:
-	  if (xh < 0.0 || (xh == 0.0 && xl < 0.0))
-	    lo -= 1.0;
-	  break;
-
-	case FE_UPWARD:
-	do_up:
-	  if (xh > 0.0 || (xh == 0.0 && xl > 0.0))
-	    lo += 1.0;
-	  break;
-	}
-
-      /* Ensure the final value is canonical.  In certain cases,
-         rounding causes hi,lo calculated so far to be non-canonical.  */
-      xh = hi;
-      xl = lo;
-      ldbl_canonicalize (&xh, &xl);
-
-      /* Ensure we return -0 rather than +0 when appropriate.  */
-      if (orig_xh < 0.0)
-	xh = -__builtin_fabs (xh);
-
-#ifdef USE_AS_NEARBYINTL
-      math_force_eval (xh);
-      math_force_eval (xl);
-#else
-      fesetround (save_round);
-#endif
-    }
-  else
-    /* Quiet signaling NaN arguments.  */
-    xh += xh;
-
-  return ldbl_pack (xh, xl);
-}
-
-long_double_symbol (libm, __rintl, rintl);