uClibc-ng does not implement name_to_handle_at

... so don't declare it, it confuses (at least) eudev's configure.

Signed-off-by: Alexey Neyman <stilor@att.net>

1 files changed, 0 insertions, 930 deletions

diff --git a/packages/uClibc-ng/1.0.27/0002-feraiseexcept.patch b/packages/uClibc-ng/1.0.27/0002-feraiseexcept.patch
deleted file mode 100644
index d4abd56c..00000000
--- a/packages/uClibc-ng/1.0.27/0002-feraiseexcept.patch
+++ /dev/null
@@ -1,930 +0,0 @@
-commit edce88cfef2f2a62647c2ab9536ca29694fab292
-Author: Waldemar Brodkorb <wbx@uclibc-ng.org>
-Date:   Sun Dec 3 21:12:34 2017 +0100
-
-    x86_64: add fenv support from glibc
-
----
- libc/sysdeps/linux/x86_64/bits/fenv.h |   12 +++
- libm/x86_64/Makefile.arch             |   24 ++++++
- libm/x86_64/fclrexcpt.c               |   50 ++++++++++++++
- libm/x86_64/fedisblxcpt.c             |   45 +++++++++++++
- libm/x86_64/feenablxcpt.c             |   45 +++++++++++++
- libm/x86_64/fegetenv.c                |   31 +++++++++
- libm/x86_64/fegetexcept.c             |   30 ++++++++
- libm/x86_64/fegetmode.c               |   27 +++++++
- libm/x86_64/fegetround.c              |   31 +++++++++
- libm/x86_64/feholdexcpt.c             |   37 ++++++++++
- libm/x86_64/fesetenv.c                |  112 ++++++++++++++++++++++++++++++++
- libm/x86_64/fesetexcept.c             |   30 ++++++++
- libm/x86_64/fesetmode.c               |   49 ++++++++++++++
- libm/x86_64/fesetround.c              |   44 ++++++++++++
- libm/x86_64/feupdateenv.c             |   41 +++++++++++
- libm/x86_64/fgetexcptflg.c            |   34 +++++++++
- libm/x86_64/fraiseexcpt.c             |  117 ++++++++++++++++++++++++++++++++++
- libm/x86_64/fsetexcptflg.c            |   52 +++++++++++++++
- libm/x86_64/ftestexcept.c             |   31 +++++++++
- 19 files changed, 842 insertions(+)
-
---- a/libc/sysdeps/linux/x86_64/bits/fenv.h
-+++ b/libc/sysdeps/linux/x86_64/bits/fenv.h
-@@ -94,3 +94,15 @@
- /* Floating-point environment where none of the exception is masked.  */
- # define FE_NOMASK_ENV	((const fenv_t *) -2)
- #endif
-+
-+/* Type representing floating-point control modes.  */
-+typedef struct
-+  {
-+    unsigned short int __control_word;
-+    unsigned short int __glibc_reserved;
-+    unsigned int __mxcsr;
-+  }
-+femode_t;
-+
-+/* Default floating-point control modes.  */
-+# define FE_DFL_MODE	((const femode_t *) -1L)
---- /dev/null
-+++ b/libm/x86_64/Makefile.arch
-@@ -0,0 +1,24 @@
-+# Makefile for uClibc
-+#
-+# Copyright (C) 2000-2008 Erik Andersen <andersen@uclibc.org>
-+#
-+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
-+#
-+# The routines included in this math library are derived from
-+# glibc's libm.
-+#
-+
-+ifeq ($(UCLIBC_HAS_FENV),y)
-+libm_ARCH_SRC:=$(wildcard $(libm_ARCH_DIR)/*.c)
-+libm_ARCH_OBJ:=$(patsubst $(libm_ARCH_DIR)/%.c,$(libm_ARCH_OUT)/%.o,$(libm_ARCH_SRC))
-+endif
-+
-+libm_ARCH_OBJS:=$(libm_ARCH_OBJ)
-+
-+ifeq ($(DOPIC),y)
-+libm-a-y+=$(libm_ARCH_OBJS:.o=.os)
-+else
-+libm-a-y+=$(libm_ARCH_OBJS)
-+endif
-+libm-so-y+=$(libm_ARCH_OBJS:.o=.os)
-+
---- /dev/null
-+++ b/libm/x86_64/fclrexcpt.c
-@@ -0,0 +1,50 @@
-+/* Clear given exceptions in current floating-point environment.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+feclearexcept (int excepts)
-+{
-+  fenv_t temp;
-+  unsigned int mxcsr;
-+
-+  /* Mask out unsupported bits/exceptions.  */
-+  excepts &= FE_ALL_EXCEPT;
-+
-+  /* Bah, we have to clear selected exceptions.  Since there is no
-+     `fldsw' instruction we have to do it the hard way.  */
-+  __asm__ ("fnstenv %0" : "=m" (*&temp));
-+
-+  /* Clear the relevant bits.  */
-+  temp.__status_word &= excepts ^ FE_ALL_EXCEPT;
-+
-+  /* Put the new data in effect.  */
-+  __asm__ ("fldenv %0" : : "m" (*&temp));
-+
-+  /* And the same procedure for SSE.  */
-+  __asm__ ("stmxcsr %0" : "=m" (*&mxcsr));
-+
-+  /* Clear the relevant bits.  */
-+  mxcsr &= ~excepts;
-+
-+  /* And put them into effect.  */
-+  __asm__ ("ldmxcsr %0" : : "m" (*&mxcsr));
-+
-+  /* Success.  */
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/fedisblxcpt.c
-@@ -0,0 +1,45 @@
-+/* Disable floating-point exceptions.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+   Contributed by Andreas Jaeger <aj@suse.de>, 2001.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+fedisableexcept (int excepts)
-+{
-+  unsigned short int new_exc, old_exc;
-+  unsigned int new;
-+
-+  excepts &= FE_ALL_EXCEPT;
-+
-+  /* Get the current control word of the x87 FPU.  */
-+  __asm__ ("fstcw %0" : "=m" (*&new_exc));
-+
-+  old_exc = (~new_exc) & FE_ALL_EXCEPT;
-+
-+  new_exc |= excepts;
-+  __asm__ ("fldcw %0" : : "m" (*&new_exc));
-+
-+  /* And now the same for the SSE MXCSR register.  */
-+  __asm__ ("stmxcsr %0" : "=m" (*&new));
-+
-+  /* The SSE exception masks are shifted by 7 bits.  */
-+  new |= excepts << 7;
-+  __asm__ ("ldmxcsr %0" : : "m" (*&new));
-+
-+  return old_exc;
-+}
---- /dev/null
-+++ b/libm/x86_64/feenablxcpt.c
-@@ -0,0 +1,45 @@
-+/* Enable floating-point exceptions.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+   Contributed by Andreas Jaeger <aj@suse.de>, 2001.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+feenableexcept (int excepts)
-+{
-+  unsigned short int new_exc, old_exc;
-+  unsigned int new;
-+
-+  excepts &= FE_ALL_EXCEPT;
-+
-+  /* Get the current control word of the x87 FPU.  */
-+  __asm__ ("fstcw %0" : "=m" (*&new_exc));
-+
-+  old_exc = (~new_exc) & FE_ALL_EXCEPT;
-+
-+  new_exc &= ~excepts;
-+  __asm__ ("fldcw %0" : : "m" (*&new_exc));
-+
-+  /* And now the same for the SSE MXCSR register.  */
-+  __asm__ ("stmxcsr %0" : "=m" (*&new));
-+
-+  /* The SSE exception masks are shifted by 7 bits.  */
-+  new &= ~(excepts << 7);
-+  __asm__ ("ldmxcsr %0" : : "m" (*&new));
-+
-+  return old_exc;
-+}
---- /dev/null
-+++ b/libm/x86_64/fegetenv.c
-@@ -0,0 +1,31 @@
-+/* Store current floating-point environment.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+fegetenv (fenv_t *envp)
-+{
-+  __asm__ ("fnstenv %0\n"
-+	   /* fnstenv changes the exception mask, so load back the
-+	      stored environment.  */
-+	   "fldenv %0\n"
-+	   "stmxcsr %1" : "=m" (*envp), "=m" (envp->__mxcsr));
-+
-+  /* Success.  */
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/fegetexcept.c
-@@ -0,0 +1,30 @@
-+/* Get enabled floating-point exceptions.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+   Contributed by Andreas Jaeger <aj@suse.de>, 2001.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+fegetexcept (void)
-+{
-+  unsigned short int exc;
-+
-+  /* Get the current control word.  */
-+  __asm__ ("fstcw %0" : "=m" (*&exc));
-+
-+  return (~exc) & FE_ALL_EXCEPT;
-+}
---- /dev/null
-+++ b/libm/x86_64/fegetmode.c
-@@ -0,0 +1,27 @@
-+/* Store current floating-point control modes.  x86_64 version.
-+   Copyright (C) 2016-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+#include <fpu_control.h>
-+
-+int
-+fegetmode (femode_t *modep)
-+{
-+  _FPU_GETCW (modep->__control_word);
-+  __asm__ ("stmxcsr %0" : "=m" (modep->__mxcsr));
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/fegetround.c
-@@ -0,0 +1,31 @@
-+/* Return current rounding direction.
-+   Copyright (C) 1997-2017 Free Software Foundation, Inc.
-+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+fegetround (void)
-+{
-+  int cw;
-+  /* We only check the x87 FPU unit.  The SSE unit should be the same
-+     - and if it's not the same there's no way to signal it.  */
-+
-+  __asm__ ("fnstcw %0" : "=m" (*&cw));
-+
-+  return cw & 0xc00;
-+}
---- /dev/null
-+++ b/libm/x86_64/feholdexcpt.c
-@@ -0,0 +1,37 @@
-+/* Store current floating-point environment and clear exceptions.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+feholdexcept (fenv_t *envp)
-+{
-+  unsigned int mxcsr;
-+
-+  /* Store the environment.  Recall that fnstenv has a side effect of
-+     masking all exceptions.  Then clear all exceptions.  */
-+  __asm__ ("fnstenv %0\n\t"
-+	   "stmxcsr %1\n\t"
-+	   "fnclex"
-+	   : "=m" (*envp), "=m" (envp->__mxcsr));
-+
-+  /* Set the SSE MXCSR register.  */
-+  mxcsr = (envp->__mxcsr | 0x1f80) & ~0x3f;
-+  __asm__ ("ldmxcsr %0" : : "m" (*&mxcsr));
-+
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/fesetenv.c
-@@ -0,0 +1,112 @@
-+/* Install given floating-point environment.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+#include <fpu_control.h>
-+#include <assert.h>
-+
-+libm_hidden_proto(fesetenv)
-+
-+/* All exceptions, including the x86-specific "denormal operand"
-+   exception.  */
-+#define FE_ALL_EXCEPT_X86 (FE_ALL_EXCEPT | __FE_DENORM)
-+
-+
-+int
-+fesetenv (const fenv_t *envp)
-+{
-+  fenv_t temp;
-+
-+  /* Install the environment specified by ENVP.  But there are a few
-+     values which we do not want to come from the saved environment.
-+     Therefore, we get the current environment and replace the values
-+     we want to use from the environment specified by the parameter.  */
-+  __asm__ ("fnstenv %0\n"
-+	   "stmxcsr %1" : "=m" (*&temp), "=m" (*&temp.__mxcsr));
-+
-+  if (envp == FE_DFL_ENV)
-+    {
-+      temp.__control_word |= FE_ALL_EXCEPT_X86;
-+      temp.__control_word &= ~FE_TOWARDZERO;
-+      temp.__control_word |= _FPU_EXTENDED;
-+      temp.__status_word &= ~FE_ALL_EXCEPT_X86;
-+      temp.__eip = 0;
-+      temp.__cs_selector = 0;
-+      temp.__opcode = 0;
-+      temp.__data_offset = 0;
-+      temp.__data_selector = 0;
-+      /* Clear SSE exceptions.  */
-+      temp.__mxcsr &= ~FE_ALL_EXCEPT_X86;
-+      /* Set mask for SSE MXCSR.  */
-+      temp.__mxcsr |= (FE_ALL_EXCEPT_X86 << 7);
-+      /* Set rounding to FE_TONEAREST.  */
-+      temp.__mxcsr &= ~ 0x6000;
-+      temp.__mxcsr |= (FE_TONEAREST << 3);
-+      /* Clear the FZ and DAZ bits.  */
-+      temp.__mxcsr &= ~0x8040;
-+    }
-+  else if (envp == FE_NOMASK_ENV)
-+    {
-+      temp.__control_word &= ~(FE_ALL_EXCEPT | FE_TOWARDZERO);
-+      /* Keep the "denormal operand" exception masked.  */
-+      temp.__control_word |= __FE_DENORM;
-+      temp.__control_word |= _FPU_EXTENDED;
-+      temp.__status_word &= ~FE_ALL_EXCEPT_X86;
-+      temp.__eip = 0;
-+      temp.__cs_selector = 0;
-+      temp.__opcode = 0;
-+      temp.__data_offset = 0;
-+      temp.__data_selector = 0;
-+      /* Clear SSE exceptions.  */
-+      temp.__mxcsr &= ~FE_ALL_EXCEPT_X86;
-+      /* Set mask for SSE MXCSR.  */
-+      /* Set rounding to FE_TONEAREST.  */
-+      temp.__mxcsr &= ~ 0x6000;
-+      temp.__mxcsr |= (FE_TONEAREST << 3);
-+      /* Do not mask exceptions.  */
-+      temp.__mxcsr &= ~(FE_ALL_EXCEPT << 7);
-+      /* Keep the "denormal operand" exception masked.  */
-+      temp.__mxcsr |= (__FE_DENORM << 7);
-+      /* Clear the FZ and DAZ bits.  */
-+      temp.__mxcsr &= ~0x8040;
-+    }
-+  else
-+    {
-+      temp.__control_word &= ~(FE_ALL_EXCEPT_X86
-+			       | FE_TOWARDZERO
-+			       | _FPU_EXTENDED);
-+      temp.__control_word |= (envp->__control_word
-+			      & (FE_ALL_EXCEPT_X86
-+				 | FE_TOWARDZERO
-+				 | _FPU_EXTENDED));
-+      temp.__status_word &= ~FE_ALL_EXCEPT_X86;
-+      temp.__status_word |= envp->__status_word & FE_ALL_EXCEPT_X86;
-+      temp.__eip = envp->__eip;
-+      temp.__cs_selector = envp->__cs_selector;
-+      temp.__opcode = envp->__opcode;
-+      temp.__data_offset = envp->__data_offset;
-+      temp.__data_selector = envp->__data_selector;
-+      temp.__mxcsr = envp->__mxcsr;
-+    }
-+
-+  __asm__ ("fldenv %0\n"
-+	   "ldmxcsr %1" : : "m" (temp), "m" (temp.__mxcsr));
-+
-+  /* Success.  */
-+  return 0;
-+}
-+libm_hidden_def(fesetenv)
---- /dev/null
-+++ b/libm/x86_64/fesetexcept.c
-@@ -0,0 +1,30 @@
-+/* Set given exception flags.  x86_64 version.
-+   Copyright (C) 2016-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+fesetexcept (int excepts)
-+{
-+  unsigned int mxcsr;
-+
-+  __asm__ ("stmxcsr %0" : "=m" (*&mxcsr));
-+  mxcsr |= excepts & FE_ALL_EXCEPT;
-+  __asm__ ("ldmxcsr %0" : : "m" (*&mxcsr));
-+
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/fesetmode.c
-@@ -0,0 +1,49 @@
-+/* Install given floating-point control modes.  x86_64 version.
-+   Copyright (C) 2016-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+#include <fpu_control.h>
-+
-+/* All exceptions, including the x86-specific "denormal operand"
-+   exception.  */
-+#define FE_ALL_EXCEPT_X86 (FE_ALL_EXCEPT | __FE_DENORM)
-+
-+int
-+fesetmode (const femode_t *modep)
-+{
-+  fpu_control_t cw;
-+  unsigned int mxcsr;
-+  __asm__ ("stmxcsr %0" : "=m" (mxcsr));
-+  /* Preserve SSE exception flags but restore other state in
-+     MXCSR.  */
-+  mxcsr &= FE_ALL_EXCEPT_X86;
-+  if (modep == FE_DFL_MODE)
-+    {
-+      cw = _FPU_DEFAULT;
-+      /* Default MXCSR state has all bits zero except for those
-+	 masking exceptions.  */
-+      mxcsr |= FE_ALL_EXCEPT_X86 << 7;
-+    }
-+  else
-+    {
-+      cw = modep->__control_word;
-+      mxcsr |= modep->__mxcsr & ~FE_ALL_EXCEPT_X86;
-+    }
-+  _FPU_SETCW (cw);
-+  __asm__ ("ldmxcsr %0" : : "m" (mxcsr));
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/fesetround.c
-@@ -0,0 +1,44 @@
-+/* Set current rounding direction.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+fesetround (int round)
-+{
-+  unsigned short int cw;
-+  int mxcsr;
-+
-+  if ((round & ~0xc00) != 0)
-+    /* ROUND is no valid rounding mode.  */
-+    return 1;
-+
-+  /* First set the x87 FPU.  */
-+  __asm__ ("fnstcw %0" : "=m" (*&cw));
-+  cw &= ~0xc00;
-+  cw |= round;
-+  __asm__ ("fldcw %0" : : "m" (*&cw));
-+
-+  /* And now the MSCSR register for SSE, the precision is at different bit
-+     positions in the different units, we need to shift it 3 bits.  */
-+  __asm__ ("stmxcsr %0" : "=m" (*&mxcsr));
-+  mxcsr &= ~ 0x6000;
-+  mxcsr |= round << 3;
-+  __asm__ ("ldmxcsr %0" : : "m" (*&mxcsr));
-+
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/feupdateenv.c
-@@ -0,0 +1,41 @@
-+/* Install given floating-point environment and raise exceptions.
-+   Copyright (C) 1997-2017 Free Software Foundation, Inc.
-+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+feupdateenv (const fenv_t *envp)
-+{
-+  fexcept_t temp;
-+  unsigned int xtemp;
-+
-+  /* Save current exceptions.  */
-+  __asm__ ("fnstsw %0\n\tstmxcsr %1" : "=m" (*&temp), "=m" (xtemp));
-+  temp = (temp | xtemp) & FE_ALL_EXCEPT;
-+
-+  /* Install new environment.  */
-+  fesetenv (envp);
-+
-+  /* Raise the saved exception.  Incidently for us the implementation
-+     defined format of the values in objects of type fexcept_t is the
-+     same as the ones specified using the FE_* constants.  */
-+  feraiseexcept ((int) temp);
-+
-+  /* Success.  */
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/fgetexcptflg.c
-@@ -0,0 +1,34 @@
-+/* Store current representation for exceptions.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+fegetexceptflag (fexcept_t *flagp, int excepts)
-+{
-+  fexcept_t temp;
-+  unsigned int mxscr;
-+
-+  /* Get the current exceptions for the x87 FPU and SSE unit.  */
-+  __asm__ ("fnstsw %0\n"
-+	   "stmxcsr %1" : "=m" (*&temp), "=m" (*&mxscr));
-+
-+  *flagp = (temp | mxscr) & FE_ALL_EXCEPT & excepts;
-+
-+  /* Success.  */
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/fraiseexcpt.c
-@@ -0,0 +1,117 @@
-+/* Raise given exceptions.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+#include <math.h>
-+
-+int
-+feraiseexcept (int excepts)
-+{
-+  /* Raise exceptions represented by EXPECTS.  But we must raise only
-+     one signal at a time.  It is important that if the overflow/underflow
-+     exception and the inexact exception are given at the same time,
-+     the overflow/underflow exception follows the inexact exception.  */
-+
-+  /* First: invalid exception.  */
-+  if ((FE_INVALID & excepts) != 0)
-+    {
-+      /* One example of an invalid operation is 0.0 / 0.0.  */
-+      float f = 0.0;
-+
-+      __asm__ __volatile__ ("divss %0, %0 " : : "x" (f));
-+      (void) &f;
-+    }
-+
-+  /* Next: division by zero.  */
-+  if ((FE_DIVBYZERO & excepts) != 0)
-+    {
-+      float f = 1.0;
-+      float g = 0.0;
-+
-+      __asm__ __volatile__ ("divss %1, %0" : : "x" (f), "x" (g));
-+      (void) &f;
-+    }
-+
-+  /* Next: overflow.  */
-+  if ((FE_OVERFLOW & excepts) != 0)
-+    {
-+      /* XXX: Is it ok to only set the x87 FPU?  */
-+      /* There is no way to raise only the overflow flag.  Do it the
-+	 hard way.  */
-+      fenv_t temp;
-+
-+      /* Bah, we have to clear selected exceptions.  Since there is no
-+	 `fldsw' instruction we have to do it the hard way.  */
-+      __asm__ __volatile__ ("fnstenv %0" : "=m" (*&temp));
-+
-+      /* Set the relevant bits.  */
-+      temp.__status_word |= FE_OVERFLOW;
-+
-+      /* Put the new data in effect.  */
-+      __asm__ __volatile__ ("fldenv %0" : : "m" (*&temp));
-+
-+      /* And raise the exception.  */
-+      __asm__ __volatile__ ("fwait");
-+    }
-+
-+  /* Next: underflow.  */
-+  if ((FE_UNDERFLOW & excepts) != 0)
-+    {
-+      /* XXX: Is it ok to only set the x87 FPU?  */
-+      /* There is no way to raise only the underflow flag.  Do it the
-+	 hard way.  */
-+      fenv_t temp;
-+
-+      /* Bah, we have to clear selected exceptions.  Since there is no
-+	 `fldsw' instruction we have to do it the hard way.  */
-+      __asm__ __volatile__ ("fnstenv %0" : "=m" (*&temp));
-+
-+      /* Set the relevant bits.  */
-+      temp.__status_word |= FE_UNDERFLOW;
-+
-+      /* Put the new data in effect.  */
-+      __asm__ __volatile__ ("fldenv %0" : : "m" (*&temp));
-+
-+      /* And raise the exception.  */
-+      __asm__ __volatile__ ("fwait");
-+    }
-+
-+  /* Last: inexact.  */
-+  if ((FE_INEXACT & excepts) != 0)
-+    {
-+      /* XXX: Is it ok to only set the x87 FPU?  */
-+      /* There is no way to raise only the inexact flag.  Do it the
-+	 hard way.  */
-+      fenv_t temp;
-+
-+      /* Bah, we have to clear selected exceptions.  Since there is no
-+	 `fldsw' instruction we have to do it the hard way.  */
-+      __asm__ __volatile__ ("fnstenv %0" : "=m" (*&temp));
-+
-+      /* Set the relevant bits.  */
-+      temp.__status_word |= FE_INEXACT;
-+
-+      /* Put the new data in effect.  */
-+      __asm__ __volatile__ ("fldenv %0" : : "m" (*&temp));
-+
-+      /* And raise the exception.  */
-+      __asm__ __volatile__ ("fwait");
-+    }
-+
-+  /* Success.  */
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/fsetexcptflg.c
-@@ -0,0 +1,52 @@
-+/* Set floating-point environment exception handling.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+#include <math.h>
-+
-+int
-+fesetexceptflag (const fexcept_t *flagp, int excepts)
-+{
-+  fenv_t temp;
-+  unsigned int mxcsr;
-+
-+  /* XXX: Do we really need to set both the exception in both units?
-+     Shouldn't it be enough to set only the SSE unit?  */
-+
-+  /* Get the current x87 FPU environment.  We have to do this since we
-+     cannot separately set the status word.  */
-+  __asm__ ("fnstenv %0" : "=m" (*&temp));
-+
-+  temp.__status_word &= ~(excepts & FE_ALL_EXCEPT);
-+  temp.__status_word |= *flagp & excepts & FE_ALL_EXCEPT;
-+
-+  /* Store the new status word (along with the rest of the environment.
-+     Possibly new exceptions are set but they won't get executed unless
-+     the next floating-point instruction.  */
-+  __asm__ ("fldenv %0" : : "m" (*&temp));
-+
-+  /* And now the same for SSE.  */
-+  __asm__ ("stmxcsr %0" : "=m" (*&mxcsr));
-+
-+  mxcsr &= ~(excepts & FE_ALL_EXCEPT);
-+  mxcsr |= *flagp & excepts & FE_ALL_EXCEPT;
-+
-+  __asm__ ("ldmxcsr %0" : : "m" (*&mxcsr));
-+
-+  /* Success.  */
-+  return 0;
-+}
---- /dev/null
-+++ b/libm/x86_64/ftestexcept.c
-@@ -0,0 +1,31 @@
-+/* Test exception in current environment.
-+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
-+
-+   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/>.  */
-+
-+#include <fenv.h>
-+
-+int
-+fetestexcept (int excepts)
-+{
-+  int temp;
-+  unsigned int mxscr;
-+
-+  /* Get current exceptions.  */
-+  __asm__ ("fnstsw %0\n"
-+	   "stmxcsr %1" : "=m" (*&temp), "=m" (*&mxscr));
-+
-+  return (temp | mxscr) & excepts & FE_ALL_EXCEPT;
-+}