gcc/testsuite/gcc.dg/torture/fp-int-convert-float128-timode-2.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

/* Test floating-point conversions.  __float128 type with TImode: bug
   53317.  */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do run } */
/* { dg-require-effective-target __float128 } */
/* { dg-require-effective-target base_quadfloat_support } */
/* { dg-require-effective-target int128 } */
/* { dg-options "" } */
/* { dg-add-options __float128 } */

extern void abort (void);
extern void exit (int);

int
main (void)
{
  volatile unsigned long long a = 0x1000000000000ULL;
  volatile unsigned long long b = 0xffffffffffffffffULL;
  unsigned __int128 c = (((unsigned __int128) a) << 64) | b;
  __float128 d = c;
  if (d != 0x1.000000000000ffffffffffffffffp112q)
    abort ();
  exit (0);
}