From e64ac02c24b43659048622714afdc92fedf561fa Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Sun, 1 Jul 2012 13:06:41 +0000 Subject: Move all files into ports/ subdirectory in preparation for merge with glibc --- ports/sysdeps/am33/fpu/feenablxcpt.c | 41 ++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 ports/sysdeps/am33/fpu/feenablxcpt.c (limited to 'ports/sysdeps/am33/fpu/feenablxcpt.c') diff --git a/ports/sysdeps/am33/fpu/feenablxcpt.c b/ports/sysdeps/am33/fpu/feenablxcpt.c new file mode 100644 index 0000000000..fe6d880c21 --- /dev/null +++ b/ports/sysdeps/am33/fpu/feenablxcpt.c @@ -0,0 +1,41 @@ +/* Enable floating-point exceptions. + Copyright (C) 2000, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Alexandre Oliva + based on corresponding file in the MIPS port. + + 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 +#include +#include + +int +feenableexcept (int excepts) +{ + fpu_control_t new_exc, old_exc; + + /* Get the current control word. */ + _FPU_GETCW (new_exc); + + old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT; + + excepts &= FE_ALL_EXCEPT; + + new_exc |= excepts << ENABLE_SHIFT; + _FPU_SETCW (new_exc); + + return old_exc; +} -- cgit 1.4.1