From cad0799e9278e2c1a8141a0696b278e5ed3084a7 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 24 May 1998 18:41:41 +0000 Subject: [PATCH] Set exception bits in Arm FPU. --- sysdeps/arm/fpu/fsetexcptflg.c | 38 ++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 sysdeps/arm/fpu/fsetexcptflg.c diff --git a/sysdeps/arm/fpu/fsetexcptflg.c b/sysdeps/arm/fpu/fsetexcptflg.c new file mode 100644 index 0000000000..f5c06a6f6c --- /dev/null +++ b/sysdeps/arm/fpu/fsetexcptflg.c @@ -0,0 +1,38 @@ +/* Set floating-point environment exception handling. + Copyright (C) 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 +#include + +void +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + fexcept_t temp; + + /* Get the current environment. */ + _FPU_GETCW(temp); + + /* Set the desired exception mask. */ + temp &= ~((excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT); + temp |= (*flagp & excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT; + + /* Save state back to the FPU. */ + _FPU_SETCW(temp); +}