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2001-03-07 David Mosberger <davidm@hpl.hp.com> * sysdeps/ia64/bits/fenv.h (FE_NONIEEE_ENV): New macro. 2001-03-07 Jes Sorensen <jes@linuxcare.com> * sysdeps/unix/sysv/linux/ia64/ioperm.c (_ioperm): Remove unused variables addr & len. 2001-02-22 Jes Sorensen <jes@linuxcare.com> * sysdeps/ia64/fpu/feenablxcpt.c (feenableexcept): Remove punctuation in asm constraint. 2001-03-07 Mark Kettenis <kettenis@gnu.org> * resolv/netdb.h [__USE_GNU]: Define __need_timespec and include <time.h> to get definition of `struct timespec'. 2001-03-08 Jakub Jelinek <jakub@redhat.com> * elf/rtld.c (dl_main): If tracing, warn about undefined symbols if LD_WARN=1, not if LD_WARN is unset. 2001-03-07 Andreas Schwab <schwab@suse.de> * elf/ldconfig.h: Moved to ... * sysdeps/generic/ldconfig.h: ... here. * sysdeps/unix/sysv/linux/i386/ldconfig.h: New file. * sysdeps/unix/sysv/linux/m68k/ldconfig.h: New file. * sysdeps/unix/sysv/linux/ia64/ldconfig.h: New file. * elf/readlib.c (interpreters, known_libs): Use SYSDEP_KNOWN_INTERPRETER_NAMES and SYSDEP_KNOWN_LIBRARY_NAMES instead of hard coding old names.
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* Enable floating-point exceptions.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <fenv.h>
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int
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feenableexcept (int excepts)
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{
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fenv_t old_fpsr;
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fenv_t new_fpsr;
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/* Get the current fpsr. */
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__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (old_fpsr));
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new_fpsr = old_fpsr & ~((fenv_t) excepts & FE_ALL_EXCEPT);
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__asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (new_fpsr) : "memory");
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return (old_fpsr ^ FE_ALL_EXCEPT) & FE_ALL_EXCEPT;
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}
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