glibc/sysdeps/powerpc/powerpc32/e500/nofpu/fenv_const.c
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2018-01-01 00:32:25 +00:00

46 lines
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C

/* Constant floating-point environments for e500.
Copyright (C) 2004-2018 Free Software Foundation, Inc.
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, see
<http://www.gnu.org/licenses/>. */
/* The use of "unsigned long long" as the type to define the
bit-pattern explicitly, rather than the type "double" used in
<bits/fenv.h>, means that we cannot include <fenv_libc.h> here to
get the enum constants for the SPEFSCR bits to enable
exceptions. */
#include <sys/prctl.h>
/* If the default argument is used we use this value. */
const unsigned long long __fe_dfl_env __attribute__ ((aligned (8))) =
0x3cULL;
/* The same representation is used for femode_t. */
extern const unsigned long long __fe_dfl_mode
__attribute__ ((aligned (8), alias ("__fe_dfl_env")));
/* Floating-point environment where none of the exceptions are masked. */
const unsigned long long __fe_enabled_env __attribute__ ((aligned (8))) =
(((unsigned long long) (PR_FP_EXC_DIV
| PR_FP_EXC_OVF
| PR_FP_EXC_UND
| PR_FP_EXC_RES
| PR_FP_EXC_INV)) << 32) | 0x7cULL;
/* Non-IEEE mode. */
const unsigned long long __fe_nonieee_env __attribute__ ((aligned (8))) =
0x0ULL;