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authorUlrich Drepper <drepper@redhat.com>2000-05-05 16:49:44 +0000
committerUlrich Drepper <drepper@redhat.com>2000-05-05 16:49:44 +0000
commitf1d86a931b2c51a24540e7ea3cda60dc154e064a (patch)
treec37912be8d04d08531989f4fb76bce5f18052270 /sysdeps/ia64/fpu/feenablxcpt.c
parenta6fe55da9a6f5dfd05247938233a55675cb842c8 (diff)
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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.
Diffstat (limited to 'sysdeps/ia64/fpu/feenablxcpt.c')
-rw-r--r--sysdeps/ia64/fpu/feenablxcpt.c38
1 files changed, 38 insertions, 0 deletions
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;
+}