1 /* Test for correct rounding of conversions from __int128 to 2 float. */ 3 /* { dg-do run } */ 4 /* { dg-require-effective-target int128 } */ 5 /* { dg-options "-frounding-math" } */ 6 7 #include <stdlib.h> 8 9 int main(void)10main (void) 11 { 12 volatile unsigned long long h = 0x8000000000000000LL; 13 volatile unsigned long long l = 0xdLL; 14 volatile unsigned __int128 u128 = (((unsigned __int128) h) << 64) | l; 15 volatile __int128 s128 = u128; 16 float fs = s128; 17 if (fs != -0x1p+127) 18 abort (); 19 double ds = s128; 20 if (ds != -0x1p+127) 21 abort (); 22 exit (0); 23 } 24