File: fpu-generic.h

package info (click to toggle)
gcc-avr 1%3A5.4.0%2BAtmel3.6.1-2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 589,832 kB
  • sloc: ansic: 2,775,567; ada: 756,757; cpp: 723,977; f90: 117,673; asm: 66,896; makefile: 62,755; xml: 44,466; sh: 29,549; exp: 23,315; objc: 15,216; fortran: 10,901; pascal: 4,185; python: 4,093; perl: 2,969; awk: 2,811; ml: 2,385; cs: 879; yacc: 316; lex: 198; haskell: 112; lisp: 8
file content (98 lines) | stat: -rw-r--r-- 2,714 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
/* Fallback FPU-related code (for systems not otherwise supported).
   Copyright (C) 2005-2015 Free Software Foundation, Inc.
   Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr>

This file is part of the GNU Fortran runtime library (libgfortran).

Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.

Libgfortran 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 General Public License for more details.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */


/* Fallback FPU-related code for systems not otherwise supported. This
   is mainly telling the user that we will not be able to do what he
   requested.  */

void
set_fpu (void)
{
  if (options.fpe & GFC_FPE_INVALID)
    estr_write ("Fortran runtime warning: IEEE 'invalid operation' "
	        "exception not supported.\n");
  if (options.fpe & GFC_FPE_DENORMAL)
    estr_write ("Fortran runtime warning: Floating point 'denormal operand' "
	        "exception not supported.\n");
  if (options.fpe & GFC_FPE_ZERO)
    estr_write ("Fortran runtime warning: IEEE 'division by zero' "
	        "exception not supported.\n");
  if (options.fpe & GFC_FPE_OVERFLOW)
    estr_write ("Fortran runtime warning: IEEE 'overflow' "
	        "exception not supported.\n");
  if (options.fpe & GFC_FPE_UNDERFLOW)
    estr_write ("Fortran runtime warning: IEEE 'underflow' "
	        "exception not supported.\n");
  if (options.fpe & GFC_FPE_INEXACT)
    estr_write ("Fortran runtime warning: IEEE 'inexact' "
	        "exception not supported.\n");
}

void
set_fpu_trap_exceptions (int trap __attribute__((unused)),
			 int notrap __attribute__((unused)))
{
}

int
get_fpu_except_flags (void)
{
  return 0;
}


int
get_fpu_rounding_mode (void)
{   
  return 0;
}               


void
set_fpu_rounding_mode (int round __attribute__((unused)))
{
}


int
support_fpu_underflow_control (int kind __attribute__((unused)))
{
  return 0;
}


int
get_fpu_underflow_mode (void)
{
  return 0;
}


void
set_fpu_underflow_mode (int gradual __attribute__((unused)))
{
}