From 32b9e00b121486d7eb6de334df6a4828cf7a751e Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 15 Oct 2000 03:36:16 +0000 Subject: [PATCH] Linux/HPPA specific fesetexceptflag implementation. --- sysdeps/hppa/fpu/fsetexcptflg.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 sysdeps/hppa/fpu/fsetexcptflg.c diff --git a/sysdeps/hppa/fpu/fsetexcptflg.c b/sysdeps/hppa/fpu/fsetexcptflg.c new file mode 100644 index 0000000..2e369ea --- /dev/null +++ b/sysdeps/hppa/fpu/fsetexcptflg.c @@ -0,0 +1,41 @@ +/* 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 David Huggins-Daines , 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 +#include + +int +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + unsigned int sw[2]; + + /* Get the current status word. */ + __asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw)); + + /* Install the new exception flags bits. */ + sw[0] &= ~(excepts & (FE_ALL_EXCEPT >> 27)); + sw[0] |= (*flagp & excepts & FE_ALL_EXCEPT) << 27; + + /* Store the new status word. */ + __asm__ ("fldd 0(%0),%%fr0" : : "r" (sw)); + + /* Success. */ + return 0; +} -- 2.7.4