From c70a4b1db0cf5e813ae24b0fa96a352399eb6edf Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Sat, 15 Feb 2014 22:07:25 -0500 Subject: ia64: relocate out of ports/ subdir --- sysdeps/ia64/fpu/fsetexcptflg.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 sysdeps/ia64/fpu/fsetexcptflg.c (limited to 'sysdeps/ia64/fpu/fsetexcptflg.c') diff --git a/sysdeps/ia64/fpu/fsetexcptflg.c b/sysdeps/ia64/fpu/fsetexcptflg.c new file mode 100644 index 0000000000..888ce0eaef --- /dev/null +++ b/sysdeps/ia64/fpu/fsetexcptflg.c @@ -0,0 +1,40 @@ +/* Set floating-point environment exception handling. + Copyright (C) 1997-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Christian Boissat , 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include + +int +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + fenv_t fpsr; + + /* Get the current exception state. */ + __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr)); + + fpsr &= ~(((fenv_t) excepts & FE_ALL_EXCEPT) << 13); + + /* Set all the bits that were called for. */ + fpsr |= ((*flagp & excepts & FE_ALL_EXCEPT) << 13); + + /* And store it back. */ + __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory"); + + /* Success. */ + return 0; +} -- cgit 1.4.1