From a334319f6530564d22e775935d9c91663623a1b4 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 22 Dec 2004 20:10:10 +0000 Subject: (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. --- sysdeps/powerpc/nofpu/sim-full.c | 45 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 sysdeps/powerpc/nofpu/sim-full.c (limited to 'sysdeps/powerpc/nofpu/sim-full.c') diff --git a/sysdeps/powerpc/nofpu/sim-full.c b/sysdeps/powerpc/nofpu/sim-full.c new file mode 100644 index 0000000..d018240 --- /dev/null +++ b/sysdeps/powerpc/nofpu/sim-full.c @@ -0,0 +1,45 @@ +/* Software floating-point exception handling emulation. + Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Contributed by Aldy Hernandez , 2002. + This file is part of the GNU C Library. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include "soft-fp.h" +#include "soft-supp.h" + +/* Global to store sticky exceptions. */ +int __sim_exceptions __attribute__ ((nocommon)); +libc_hidden_data_def (__sim_exceptions); + +/* By default, no exceptions should trap. */ +int __sim_disabled_exceptions = 0xffffffff; +libc_hidden_data_def (__sim_disabled_exceptions); + +int __sim_round_mode __attribute__ ((nocommon)); +libc_hidden_data_def (__sim_round_mode); + +void +__simulate_exceptions (int x) +{ + __sim_exceptions |= x; + if (x == 0 || __sim_disabled_exceptions & x) + /* Ignore exception. */ + ; + else + raise (SIGFPE); +} -- cgit v1.1