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/feupdateenv.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 sysdeps/hppa/fpu/feupdateenv.c (limited to 'sysdeps/hppa/fpu/feupdateenv.c') diff --git a/sysdeps/hppa/fpu/feupdateenv.c b/sysdeps/hppa/fpu/feupdateenv.c new file mode 100644 index 0000000000..07757aebd3 --- /dev/null +++ b/sysdeps/hppa/fpu/feupdateenv.c @@ -0,0 +1,40 @@ +/* Install given floating-point environment and raise exceptions. + 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 +#include + +int +feupdateenv (const fenv_t *envp) +{ + union { unsigned long long l; unsigned int sw[2]; } s; + fenv_t temp; + /* Get the current exception status */ + __asm__ ("fstd %%fr0,0(%1) \n\t" + "fldd 0(%1),%%fr0 \n\t" + : "=m" (s.l) : "r" (&s.l)); + memcpy(&temp, envp, sizeof(fenv_t)); + /* Currently raised exceptions not cleared */ + temp.__status_word |= s.sw[0] & (FE_ALL_EXCEPT << 27); + /* Install new environment. */ + fesetenv (&temp); + /* Success. */ + return 0; +} +libm_hidden_def (feupdateenv) -- cgit 1.4.1