File: pr85657-2.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (74 lines) | stat: -rw-r--r-- 1,484 bytes parent folder | download | duplicates (4)
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
/* { dg-do compile { target { powerpc*-*-linux* } } } */
/* { dg-require-effective-target ppc_float128_sw } */
/* { dg-options "-mvsx -mfloat128 -O2 -mabi=ieeelongdouble -Wno-psabi" } */

// PR 85657 -- make sure conversions work between each of the 128-bit floating
// point types.

__attribute__ ((__noinline__))
__float128
ibm128_to_float128 (__ibm128 a)
{
  return (__float128)a;
}

__attribute__ ((__noinline__))
__float128
ldouble_to_float128 (long double a)
{
  return (__float128)a;
}

__attribute__ ((__noinline__))
__ibm128
float128_to_ibm128 (__float128 a)
{
  return (__ibm128)a;
}

__attribute__ ((__noinline__))
__ibm128
ldouble_to_ibm128 (long double a)
{
  return (__ibm128)a;
}

__attribute__ ((__noinline__))
long double
ibm128_to_ldouble (__ibm128 a)
{
  return (long double)a;
}

__attribute__ ((__noinline__))
long double
float128_to_ldouble (__float128 a)
{
  return (long double)a;
}

#ifdef TEST
#include <stdio.h>

volatile __float128 f128 = 1.2Q;
volatile __ibm128 i128 = (__ibm128)3.4L;
volatile long double ld = 5.6L;

int
main (void)
{
  printf ("f128 (1.2) = %g (ld), %g (ibm128)\n",
	  (double) float128_to_ldouble (f128),
	  (double) float128_to_ibm128 (f128));

  printf ("i128 (3.4) = %g (ld), %g (float128)\n",
	  (double) ibm128_to_ldouble (i128),
	  (double) ibm128_to_float128 (i128));

  printf ("long double (5.6) = %g (ibm128), %g (float128)\n",
	  (double) ldouble_to_ibm128 (ld),
	  (double) ldouble_to_float128 (ld));

  return 0;
}
#endif