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author | Ulrich Drepper <drepper@redhat.com> | 2000-05-05 16:49:44 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2000-05-05 16:49:44 +0000 |
commit | f1d86a931b2c51a24540e7ea3cda60dc154e064a (patch) | |
tree | c37912be8d04d08531989f4fb76bce5f18052270 /sysdeps/ia64/fpu/feenablxcpt.c | |
parent | a6fe55da9a6f5dfd05247938233a55675cb842c8 (diff) | |
download | glibc-f1d86a931b2c51a24540e7ea3cda60dc154e064a.tar.gz glibc-f1d86a931b2c51a24540e7ea3cda60dc154e064a.tar.xz glibc-f1d86a931b2c51a24540e7ea3cda60dc154e064a.zip |
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.c | 38 |
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; +} |