Revert 2016-01-13 change.

From-SVN: r232392

1 files changed, 0 insertions, 358 deletions

diff --git a/libgcc/config/rs6000/float128-ifunc.c b/libgcc/config/rs6000/float128-ifunc.c
deleted file mode 100644
index 6e14608..0000000
--- a/libgcc/config/rs6000/float128-ifunc.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/* Automatic switching between software and hardware IEEE 128-bit
-   floating-point emulation for PowerPC.
-
-   Copyright (C) 2016 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Michael Meissner (meissner@linux.vnet.ibm.com)
-   Code is based on the main soft-fp library written by:
-	Richard Henderson (rth@cygnus.com) and
-	Jakub Jelinek (jj@ultra.linux.cz).
-
-   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.
-
-   In addition to the permissions in the GNU Lesser General Public
-   License, the Free Software Foundation gives you unlimited
-   permission to link the compiled version of this file into
-   combinations with other programs, and to distribute those
-   combinations without any restriction coming from the use of this
-   file.  (The Lesser General Public License restrictions do apply in
-   other respects; for example, they cover modification of the file,
-   and distribution when not linked into a combine executable.)
-
-   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/>.  */
-
-#include <soft-fp.h>
-#include <quad-float128.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-#ifdef FLOAT128_HW_INSNS
-#include <sys/auxv.h>
-
-/* Use the namespace clean version of getauxval.  However, not all versions of
-   sys/auxv.h declare it, so declare it here.  This code is intended to be
-   temporary until a suitable version of __builtin_cpu_supports is added that
-   allows us to tell quickly if the machine supports IEEE 128-bit hardware.  */
-extern unsigned long __getauxval (unsigned long);
-
-static int
-have_ieee_hw_p (void)
-{
-  static int ieee_hw_p = -1;
-
-  if (ieee_hw_p < 0)
-    {
-      char *p = (char *) __getauxval (AT_PLATFORM);
-
-      ieee_hw_p = 0;
-
-      /* Don't use atoi/strtol/strncmp/etc.  These may require the normal
-	 environment to be setup to set errno to 0, and the ifunc resolvers run
-	 before the whole glibc environment is initialized.  */
-      if (p && p[0] == 'p' && p[1] == 'o' && p[2] == 'w' && p[3] == 'e'
-	  && p[4] == 'r')
-	{
-	  long n = 0;
-	  char ch;
-
-	  p += 5;
-	  while ((ch = *p++) >= '0' && (ch <= '9'))
-	    n = (n * 10) + (ch - '0');
-
-	  if (n >= 9)
-	    ieee_hw_p = 1;
-	}
-    }
-
-  return ieee_hw_p;
-}
-
-#define SW_OR_HW(SW, HW) (have_ieee_hw_p () ? HW : SW)
-#else
-#define SW_OR_HW(SW, HW) (SW)
-#endif	/* ISA 3.0 hardware available.  */
-
-/* Resolvers.  */
-
-/* We do not provide ifunc resolvers for __fixkfti, __fixunskfti, __floattikf,
-   and __floatuntikf.  There is no ISA 3.0 instruction that converts between
-   128-bit integer types and 128-bit IEEE floating point, or vice versa.  So
-   use the emulator functions for these conversions.  */
-
-static void *__addkf3_resolve (void);
-static void *__subkf3_resolve (void);
-static void *__mulkf3_resolve (void);
-static void *__divkf3_resolve (void);
-static void *__negkf2_resolve (void);
-static void *__eqkf2_resolve (void);
-static void *__nekf2_resolve (void);
-static void *__gekf2_resolve (void);
-static void *__gtkf2_resolve (void);
-static void *__lekf2_resolve (void);
-static void *__ltkf2_resolve (void);
-static void *__unordkf2_resolve (void);
-static void *__extendsfkf2_resolve (void);
-static void *__extenddfkf2_resolve (void);
-static void *__trunckfsf2_resolve (void);
-static void *__trunckfdf2_resolve (void);
-static void *__fixkfsi_resolve (void);
-static void *__fixkfdi_resolve (void);
-static void *__fixunskfsi_resolve (void);
-static void *__fixunskfdi_resolve (void);
-static void *__floatsikf_resolve (void);
-static void *__floatdikf_resolve (void);
-static void *__floatunsikf_resolve (void);
-static void *__floatundikf_resolve (void);
-static void *__extendkftf2_resolve (void);
-static void *__trunctfkf2_resolve (void);
-
-static void *
-__addkf3_resolve (void)
-{
-  return (void *) SW_OR_HW (__addkf3_sw, __addkf3_hw);
-}
-
-static void *
-__subkf3_resolve (void)
-{
-  return (void *) SW_OR_HW (__subkf3_sw, __subkf3_hw);
-}
-
-static void *
-__mulkf3_resolve (void)
-{
-  return (void *) SW_OR_HW (__mulkf3_sw, __mulkf3_hw);
-}
-
-static void *
-__divkf3_resolve (void)
-{
-  return (void *) SW_OR_HW (__divkf3_sw, __divkf3_hw);
-}
-
-static void *
-__negkf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__negkf2_sw, __negkf2_hw);
-}
-
-static void *
-__floatsikf_resolve (void)
-{
-  return (void *) SW_OR_HW (__floatsikf_sw, __floatsikf_hw);
-}
-
-static void *
-__floatdikf_resolve (void)
-{
-  return (void *) SW_OR_HW (__floatdikf_sw, __floatdikf_hw);
-}
-
-static void *
-__floatunsikf_resolve (void)
-{
-  return (void *) SW_OR_HW (__floatunsikf_sw, __floatunsikf_hw);
-}
-
-static void *
-__floatundikf_resolve (void)
-{
-  return (void *) SW_OR_HW (__floatundikf_sw, __floatundikf_hw);
-}
-
-static void *
-__fixkfsi_resolve (void)
-{
-  return (void *) SW_OR_HW (__fixkfsi_sw, __fixkfsi_hw);
-}
-
-static void *
-__fixkfdi_resolve (void)
-{
-  return (void *) SW_OR_HW (__fixkfdi_sw, __fixkfdi_hw);
-}
-
-static void *
-__fixunskfsi_resolve (void)
-{
-  return (void *) SW_OR_HW (__fixunskfsi_sw, __fixunskfsi_hw);
-}
-
-static void *
-__fixunskfdi_resolve (void)
-{
-  return (void *) SW_OR_HW (__fixunskfdi_sw, __fixunskfdi_hw);
-}
-
-static void *
-__extendsfkf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__extendsfkf2_sw, __extendsfkf2_hw);
-}
-
-static void *
-__extenddfkf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__extenddfkf2_sw, __extenddfkf2_hw);
-}
-
-static void *
-__trunckfsf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__trunckfsf2_sw, __trunckfsf2_hw);
-}
-
-static void *
-__trunckfdf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__trunckfdf2_sw, __trunckfdf2_hw);
-}
-
-static void *
-__extendkftf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__extendkftf2_sw, __extendkftf2_hw);
-}
-
-static void *
-__trunctfkf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__trunctfkf2_sw, __trunctfkf2_hw);
-}
-
-static void *
-__eqkf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__eqkf2_sw, __eqkf2_hw);
-}
-
-static void *
-__gekf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__gekf2_sw, __gekf2_hw);
-}
-
-static void *
-__lekf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__lekf2_sw, __lekf2_hw);
-}
-
-static void *
-__unordkf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__unordkf2_sw, __unordkf2_hw);
-}
-
-/* Resolve __nekf2, __gtkf2, __ltkf2 like __eqkf2, __gekf2, and __lekf2, since
-   the functions return the same values.  */
-
-static void *
-__nekf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__eqkf2_sw, __eqkf2_hw);
-}
-
-static void *
-__gtkf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__gekf2_sw, __gekf2_hw);
-}
-
-static void *
-__ltkf2_resolve (void)
-{
-  return (void *) SW_OR_HW (__lekf2_sw, __lekf2_hw);
-}
-
-
-
-/* Ifunc definitions.  */
-TFtype __addkf3 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__addkf3_resolve")));
-
-TFtype __subkf3 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__subkf3_resolve")));
-
-TFtype __mulkf3 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__mulkf3_resolve")));
-
-TFtype __divkf3 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__divkf3_resolve")));
-
-TFtype __negkf2 (TFtype)
-  __attribute__ ((__ifunc__ ("__negkf2_resolve")));
-
-CMPtype __eqkf2 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__eqkf2_resolve")));
-
-CMPtype __nekf2 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__nekf2_resolve")));
-
-CMPtype __gekf2 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__gekf2_resolve")));
-
-CMPtype __gtkf2 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__gtkf2_resolve")));
-
-CMPtype __lekf2 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__lekf2_resolve")));
-
-CMPtype __ltkf2 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__ltkf2_resolve")));
-
-CMPtype __unordkf2 (TFtype, TFtype)
-  __attribute__ ((__ifunc__ ("__unordkf2_resolve")));
-
-TFtype __extendsfkf2 (float)
-  __attribute__ ((__ifunc__ ("__extendsfkf2_resolve")));
-
-TFtype __extenddfkf2 (double)
-  __attribute__ ((__ifunc__ ("__extenddfkf2_resolve")));
-
-float __trunckfsf2 (TFtype)
-  __attribute__ ((__ifunc__ ("__trunckfsf2_resolve")));
-
-double __trunckfdf2 (TFtype)
-  __attribute__ ((__ifunc__ ("__trunckfdf2_resolve")));
-
-SItype_ppc __fixkfsi (TFtype)
-  __attribute__ ((__ifunc__ ("__fixkfsi_resolve")));
-
-DItype_ppc __fixkfdi (TFtype)
-  __attribute__ ((__ifunc__ ("__fixkfdi_resolve")));
-
-USItype_ppc __fixunskfsi (TFtype)
-  __attribute__ ((__ifunc__ ("__fixunskfsi_resolve")));
-
-UDItype_ppc __fixunskfdi (TFtype)
-  __attribute__ ((__ifunc__ ("__fixunskfdi_resolve")));
-
-TFtype __floatsikf (SItype_ppc)
-  __attribute__ ((__ifunc__ ("__floatsikf_resolve")));
-
-TFtype __floatdikf (DItype_ppc)
-  __attribute__ ((__ifunc__ ("__floatdikf_resolve")));
-
-TFtype __floatunsikf (USItype_ppc)
-  __attribute__ ((__ifunc__ ("__floatunsikf_resolve")));
-
-TFtype __floatundikf (UDItype_ppc)
-  __attribute__ ((__ifunc__ ("__floatundikf_resolve")));
-
-__ibm128 __extendkftf2 (TFtype)
-  __attribute__ ((__ifunc__ ("__extendkftf2_resolve")));
-
-TFtype __trunctfkf2 (__ibm128)
-  __attribute__ ((__ifunc__ ("__trunctfkf2_resolve")));