From 5abebba403181de898bbea4ee1bcce5f088c663b Mon Sep 17 00:00:00 2001 From: Carlos O'Donell Date: Tue, 29 Apr 2014 03:08:48 -0400 Subject: Relocate hppa from ports to libc. --- sysdeps/hppa/fpu/fclrexcpt.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 sysdeps/hppa/fpu/fclrexcpt.c (limited to '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..ee097b4522 --- /dev/null +++ b/sysdeps/hppa/fpu/fclrexcpt.c @@ -0,0 +1,36 @@ +/* Clear given exceptions in current floating-point environment. + Copyright (C) 2000-2014 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 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 +feclearexcept (int excepts) +{ + union { unsigned long long l; unsigned int sw[2]; } s; + + /* Get the current status word. */ + __asm__ ("fstd %%fr0,0(%1)" : "=m" (s.l) : "r" (&s.l) : "%r0"); + /* Clear all the relevant bits. */ + s.sw[0] &= ~((excepts & FE_ALL_EXCEPT) << 27); + __asm__ ("fldd 0(%0),%%fr0" : : "r" (&s.l), "m" (s.l) : "%r0"); + + /* Success. */ + return 0; +} +libm_hidden_def (feclearexcept) -- cgit 1.4.1