From e7cbd4517248678358562e1edcde2d16ee760409 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 15 Oct 2000 03:33:51 +0000 Subject: [PATCH] Linux/HPPA specific feclearexcept implementation. --- sysdeps/hppa/fpu/fclrexcpt.c | 37 ++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 sysdeps/hppa/fpu/fclrexcpt.c diff --git a/sysdeps/hppa/fpu/fclrexcpt.c b/sysdeps/hppa/fpu/fclrexcpt.c new file mode 100644 index 0000000000..4c64027310 --- /dev/null +++ b/sysdeps/hppa/fpu/fclrexcpt.c @@ -0,0 +1,37 @@ +/* Clear given exceptions in current floating-point environment. + Copyright (C) 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 + +int +feclearexcept (int excepts) +{ + unsigned int sw[2]; + + /* Get the current status word. */ + __asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw)); + + /* Clear all the relevant bits. */ + sw[0] &= ~(excepts & FE_ALL_EXCEPT); + __asm__ ("fldd 0(%0),%%fr0" : : "r" (sw)); + + /* Success. */ + return 0; +}