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/arm/fedisblxcpt.c | 50 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 ports/sysdeps/arm/fedisblxcpt.c (limited to 'ports/sysdeps/arm/fedisblxcpt.c') diff --git a/ports/sysdeps/arm/fedisblxcpt.c b/ports/sysdeps/arm/fedisblxcpt.c new file mode 100644 index 0000000000..c9c62a48ef --- /dev/null +++ b/ports/sysdeps/arm/fedisblxcpt.c @@ -0,0 +1,50 @@ +/* Disable floating-point exceptions. + Copyright (C) 2001, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Philip Blundell , 2001. + + 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 +#include +#include +#include + +int +fedisableexcept (int excepts) +{ + if (GLRO (dl_hwcap) & HWCAP_ARM_VFP) + { + unsigned long int new_exc, old_exc; + + _FPU_GETCW(new_exc); + + old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; + + excepts &= FE_ALL_EXCEPT; + + new_exc &= ~(excepts << FE_EXCEPT_SHIFT); + + _FPU_SETCW(new_exc); + + return old_exc; + } + + /* Unsupported, so return -1 for failure. */ + return -1; +} -- cgit 1.4.1