Update.

2000-05-05  Jes Sorensen  <jes@linuxcare.com>

	* sysdeps/unix/sysv/linux/ia64/sysdep.h: New file.
	* sysdeps/unix/sysv/linux/ia64/syscall.S: New file.

	* sysdeps/unix/sysv/linux/ia64/bits/types.h: New file.
	* sysdeps/unix/sysv/linux/ia64/bits/endian.h: New file.

	* sysdeps/ia64/Implies: New file.
	* sysdeps/ia64/Versions: New file.  Declare _dl_symbol_address.
	* sysdeps/ia64/Makefile: New file.
	* sysdeps/ia64/gmp-mparam.h: New file,

	* sysdeps/ia64/elf/start.S: New file.

	* sysdeps/ia64/bits/fenv.h: New file.

2000-05-05  David Mosberger-Tang  <davidm@hpl.hp.com>

	* sysdeps/unix/sysv/linux/ia64/sysdep.S: New file.

2000-04-26  Jes Sorensen  <Jes.Sorensen@cern.ch>

	* sysdeps/unix/sysv/linux/ia64/bits/elfclass.h: New file.  The
	ia64 has 64 bit .hash entries just as the Alpha.

2000-04-25  Jes Sorensen  <Jes.Sorensen@cern.ch>

	* sysdeps/ia64/memprof.h: New file.  Provide GETSP() macro.

2000-04-17  Jes Sorensen  <Jes.Sorensen@cern.ch>

	* sysdeps/ia64/fpu/fclrexcpt.c: New file.
	* sysdeps/ia64/fpu/fedisblxcpt.c: New file.
	* sysdeps/ia64/fpu/feenablxcpt.c: New file.
	* sysdeps/ia64/fpu/fegetenv.c: New file.
	* sysdeps/ia64/fpu/fegetexcept.c: New file.
	* sysdeps/ia64/fpu/fegetround.c: New file.
	* sysdeps/ia64/fpu/feholdexcpt.c: New file.
	* sysdeps/ia64/fpu/fesetenv.c: New file.
	* sysdeps/ia64/fpu/fesetround.c: New file.
	* sysdeps/ia64/fpu/feupdateenv.c: New file.
	* sysdeps/ia64/fpu/fgetexcptflg.c: New file.
	* sysdeps/ia64/fpu/fraiseexcpt.c: New file.
	* sysdeps/ia64/fpu/fsetexcptflg.c: New file.
	* sysdeps/ia64/fpu/ftestexcept.c: New file.

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (_DL_HWCAP_COUNT): New.
	* sysdeps/unix/sysv/linux/sparc/sparc32/dl-procinfo.h
	(_DL_HWCAP_COUNT): New.
	* sysdeps/unix/sysv/linux/sparc/sparc64/dl-procinfo.h
	(_DL_HWCAP_COUNT): New.

14 files changed, 567 insertions, 0 deletions

diff --git a/sysdeps/ia64/fpu/fclrexcpt.c b/sysdeps/ia64/fpu/fclrexcpt.c
new file mode 100644
index 0000000000..fbd93ce5da
--- /dev/null
+++ b/sysdeps/ia64/fpu/fclrexcpt.c
@@ -0,0 +1,39 @@
+/* Clear given exceptions in current floating-point environment.
+   Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999 and
+                  Jes Sorensen <Jes.Sorensen@cern.ch>, 2000
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+feclearexcept (int excepts)
+{
+  fenv_t fpsr;
+
+  /* Get the current state.  */
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  /* Clear the relevant bits.  */
+  fpsr &= ~(((unsigned long int) ((excepts & FE_ALL_EXCEPT) << 13)));
+  /* Put the new state in effect.  */
+  __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
+
+  /* success */
+  return 0;
+}
diff --git a/sysdeps/ia64/fpu/fedisblxcpt.c b/sysdeps/ia64/fpu/fedisblxcpt.c
new file mode 100644
index 0000000000..fceedc22be
--- /dev/null
+++ b/sysdeps/ia64/fpu/fedisblxcpt.c
@@ -0,0 +1,37 @@
+/* Disable floating-point exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+fedisableexcept (int excepts)
+{
+  fenv_t old_fpsr;
+  fenv_t new_fpsr;
+
+  /* Get the current fpsr.  */
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (old_fpsr));
+
+  new_fpsr = old_fpsr |= FE_ALL_EXCEPT;
+
+  __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (new_fpsr) : "memory");
+
+  return (old_fpsr ^ FE_ALL_EXCEPT) & FE_ALL_EXCEPT;
+}
diff --git a/sysdeps/ia64/fpu/feenablxcpt.c b/sysdeps/ia64/fpu/feenablxcpt.c
new file mode 100644
index 0000000000..2c54476681
--- /dev/null
+++ b/sysdeps/ia64/fpu/feenablxcpt.c
@@ -0,0 +1,38 @@
+/* Enable floating-point exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+feenableexcept (int excepts)
+{
+  fenv_t old_fpsr;
+  fenv_t new_fpsr;
+
+  /* Get the current fpsr.  */
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r " (old_fpsr));
+
+  new_fpsr = ((old_fpsr & FE_ALL_EXCEPT)
+	      | (old_fpsr & ((unsigned long int) excepts ^ FE_ALL_EXCEPT)));
+
+  __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (new_fpsr) : "memory");
+
+  return (old_fpsr ^ FE_ALL_EXCEPT) & FE_ALL_EXCEPT;
+}
diff --git a/sysdeps/ia64/fpu/fegetenv.c b/sysdeps/ia64/fpu/fegetenv.c
new file mode 100644
index 0000000000..4527bc506e
--- /dev/null
+++ b/sysdeps/ia64/fpu/fegetenv.c
@@ -0,0 +1,29 @@
+/* Store current floating-point environment.
+   Copyright (C) 1997, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+fegetenv (fenv_t *envp)
+{
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (*envp));
+
+  return 0;
+}
diff --git a/sysdeps/ia64/fpu/fegetexcept.c b/sysdeps/ia64/fpu/fegetexcept.c
new file mode 100644
index 0000000000..828f7db570
--- /dev/null
+++ b/sysdeps/ia64/fpu/fegetexcept.c
@@ -0,0 +1,31 @@
+/* Get enabled floating-point exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+fegetexcept (void)
+{
+  fenv_t fpsr;
+
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  return (fpsr ^ FE_ALL_EXCEPT) & FE_ALL_EXCEPT;
+}
diff --git a/sysdeps/ia64/fpu/fegetround.c b/sysdeps/ia64/fpu/fegetround.c
new file mode 100644
index 0000000000..b30fec544f
--- /dev/null
+++ b/sysdeps/ia64/fpu/fegetround.c
@@ -0,0 +1,31 @@
+/* Return current rounding direction.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+fegetround (void)
+{
+  fenv_t fpsr;
+
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  return (fpsr >> 10) & 3;
+}
diff --git a/sysdeps/ia64/fpu/feholdexcpt.c b/sysdeps/ia64/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..3bab374000
--- /dev/null
+++ b/sysdeps/ia64/fpu/feholdexcpt.c
@@ -0,0 +1,33 @@
+/* Store current floating-point environment and clear exceptions.
+   Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+feholdexcept (fenv_t *envp)
+{
+  /* Save the current state.  */
+  fegetenv (envp);
+
+  /* set the trap disable bit */
+  __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (*envp | FE_ALL_EXCEPT));
+
+  return 1;
+}
diff --git a/sysdeps/ia64/fpu/fesetenv.c b/sysdeps/ia64/fpu/fesetenv.c
new file mode 100644
index 0000000000..b1209ca34e
--- /dev/null
+++ b/sysdeps/ia64/fpu/fesetenv.c
@@ -0,0 +1,41 @@
+/* Install given floating-point environment.
+   Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+fesetenv (const fenv_t *envp)
+{
+  fenv_t env;
+
+  /*
+     This stinks!
+     Magic encoding of default values: bit 62+63 set (which will never
+     happen for a user-space address) means it's not indirect.
+  */
+  if (((unsigned long int) envp >> 62) == 0x03)
+    env = (unsigned long int) envp & 0x3fffffffffffffff;
+  else
+    env = *envp;
+
+  __asm__ __volatile__ ("mov.m ar.fpsr=%0;;" :: "r" (env));
+
+  return 0;
+}
diff --git a/sysdeps/ia64/fpu/fesetround.c b/sysdeps/ia64/fpu/fesetround.c
new file mode 100644
index 0000000000..66d7f89f39
--- /dev/null
+++ b/sysdeps/ia64/fpu/fesetround.c
@@ -0,0 +1,41 @@
+/* Set current rounding direction.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+fesetround (int round)
+{
+  unsigned long int fpsr;
+
+  if (round & ~3)
+    return 0;
+
+  /* Get the current state.  */
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  /* Set the relevant bits.  */
+  fpsr = (fpsr & ~(3UL << 10)) | ((unsigned long int) round << 10);
+
+  /* Put the new state in effect.  */
+  __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
+
+  return 1;
+}
diff --git a/sysdeps/ia64/fpu/feupdateenv.c b/sysdeps/ia64/fpu/feupdateenv.c
new file mode 100644
index 0000000000..89e0b2e993
--- /dev/null
+++ b/sysdeps/ia64/fpu/feupdateenv.c
@@ -0,0 +1,42 @@
+/* Install given floating-point environment and raise exceptions.
+   Copyright (C) 1997, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+feupdateenv (const fenv_t *envp)
+{
+  fenv_t fpsr;
+
+
+  /* Get the current exception state.  */
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  /* Install new environment.  */
+  fesetenv (envp);
+
+  /* Raise the safed 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) fpsr & FE_ALL_EXCEPT);
+
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/ia64/fpu/fgetexcptflg.c b/sysdeps/ia64/fpu/fgetexcptflg.c
new file mode 100644
index 0000000000..555530762d
--- /dev/null
+++ b/sysdeps/ia64/fpu/fgetexcptflg.c
@@ -0,0 +1,35 @@
+/* Store current representation for exceptions.
+   Copyright (C) 1997, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+fegetexceptflag (fexcept_t *flagp, int excepts)
+{
+  fenv_t fpsr;
+
+  /* Get the current exceptions.  */
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  *flagp = (fpsr ^ FE_ALL_EXCEPT) & excepts & FE_ALL_EXCEPT;
+
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/ia64/fpu/fraiseexcpt.c b/sysdeps/ia64/fpu/fraiseexcpt.c
new file mode 100644
index 0000000000..78a881117e
--- /dev/null
+++ b/sysdeps/ia64/fpu/fraiseexcpt.c
@@ -0,0 +1,94 @@
+/* Raise given exceptions.
+   Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+#include <math.h>
+#include <signal.h>
+#include <unistd.h>
+#include <asm/fpu.h>
+
+int
+feraiseexcept (int excepts)
+{
+  fenv_t fpsr;
+  double tmp;
+  double dummy;
+
+  /* Raise exceptions represented by EXPECTS.  But we must raise only
+     one signal at a time.  It is important the if the overflow/underflow
+     exception and the inexact exception are given at the same time,
+     the overflow/underflow exception precedes the inexact exception.  */
+
+  /* We do these bits in assembly to be certain GCC doesn't optimize
+     away something important.  */
+
+  /* First: invalid exception.  */
+  if (FE_INVALID & excepts)
+    {
+      /* One example of a invalid operation is 0 * Infinity.  */
+      tmp = 0;
+      __asm__ __volatile__ ("frcpa.s0 %0,p1=f0,f0" : "=f" (tmp) : : "p1" );
+    }
+
+  /* Next: division by zero.  */
+  if (FE_DIVBYZERO & excepts)
+    __asm__ __volatile__ ("frcpa.s0 %0,p1=f1,f0" : "=f" (tmp) : : "p1" );
+
+  /* XXX There seem to be no reliable way to generate
+     overflow/underflow exceptions without causing inexact exceptions
+     as well.  */
+  /* Next: overflow.  */
+  if (FE_OVERFLOW & excepts)
+    {
+      __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+      fpsr |= (FE_OVERFLOW << 13);
+      __asm__ __volatile__ ("mov.m ar.fpsr=%0" : : "r" (fpsr));
+
+      if (!((unsigned long int) fpsr & FE_OVERFLOW))
+	{
+	  pid_t pid = getpid ();
+	  kill (pid, SIGFPE);
+	}
+    }
+
+  /* Next: underflow.  */
+  if (FE_UNDERFLOW & excepts)
+    {
+      __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+      fpsr |= (FE_UNDERFLOW << 13);
+      __asm__ __volatile__ ("mov.m ar.fpsr=%0" : : "r" (fpsr));
+
+      if (!((unsigned long int) fpsr & FE_UNDERFLOW))
+	{
+	  pid_t pid = getpid();
+	  kill (pid, SIGFPE);
+	}
+  }
+
+  /* Last: inexact.  */
+  if (FE_INEXACT & excepts)
+    {
+      dummy = DBL_MAX;
+      __asm__ __volatile__ ("fadd.d.s0 %0=%1,f1" : "=f" (dummy) : "0" (dummy));
+    }
+
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/ia64/fpu/fsetexcptflg.c b/sysdeps/ia64/fpu/fsetexcptflg.c
new file mode 100644
index 0000000000..5e040416d4
--- /dev/null
+++ b/sysdeps/ia64/fpu/fsetexcptflg.c
@@ -0,0 +1,44 @@
+/* Set floating-point environment exception handling.
+   Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+#include <math.h>
+
+int
+fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+  fenv_t fpsr;
+
+  /* Get the current exception state.  */
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  /* Get the reverse bits so we can enable the exceptions flagged
+     rather than disable them.  */
+  excepts ^= FE_ALL_EXCEPT;
+
+  /* Set all the bits that were called for.  */
+  fpsr = (fpsr & ~FE_ALL_EXCEPT) | (*flagp & excepts & FE_ALL_EXCEPT);
+
+  /* And store it back.  */
+  __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
+
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/ia64/fpu/ftestexcept.c b/sysdeps/ia64/fpu/ftestexcept.c
new file mode 100644
index 0000000000..538bf2916e
--- /dev/null
+++ b/sysdeps/ia64/fpu/ftestexcept.c
@@ -0,0 +1,32 @@
+/* Test exception in current environment.
+   Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv.h>
+
+int
+fetestexcept (int excepts)
+{
+  fenv_t fpsr;
+
+  /* Get current exceptions.  */
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  return (fpsr >> 13) & excepts & FE_ALL_EXCEPT;
+}